1 2009-04-17 Rafael Avila de Espindola <espindola@google.com>
3 * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
5 (OBJS-common): Add plugin-version.o.
6 (plugin-version.o): New.
7 * gcc-plugin.h (plugin_gcc_version): New.
8 (plugin_default_version_check): New.
9 (plugin_init_func, plugin_init): Add version argument.
10 * plugin-version.c: New.
11 * plugin.c (str_plugin_gcc_version_name): New.
12 (try_init_one_plugin): Read plugin_gcc_version from the plugin and
13 pass it to the init function.
14 (plugin_default_version_check): New.
16 2009-04-17 Richard Guenther <rguenther@suse.de>
18 * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
19 for decl-vs-decl disambiguation.
21 2009-04-17 Andreas Krebbel <krebbel1@de.ibm.com>
23 * config/s390/s390.h (s390_tune_attr): New macro definition.
24 * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
26 2009-04-17 Richard Guenther <rguenther@suse.de>
28 * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
29 (fold_stmt_r): Likewise.
30 (maybe_fold_reference): New function.
31 (fold_gimple_assign): Handle cases fold_stmt_r did.
32 (fold_stmt): Do not use fold_stmt_r.
33 (fold_stmt_inplace): Likewise.
35 2009-04-17 Richard Guenther <rguenther@suse.de>
37 * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
38 (record_equivalences_from_stmt): Remove useless checks and
40 * tree-ssa-pre.c (eliminate): Avoid converting a constant if
41 the type is already suitable.
43 2009-04-17 Paolo Bonzini <bonzini@gnu.org>
45 * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
47 2009-04-17 Uros Bizjak <ubizjak@gmail.com>
49 * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
50 (CMPtype): Define as __gcc_CMPtype.
52 2009-04-17 Aurelien Jarno <aurelien@aurel32.net>
54 * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
55 for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
57 2009-04-17 Richard Guenther <rguenther@suse.de>
59 PR tree-optimization/39746
60 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
61 special-casing for builtins and static variable use/def.
62 (call_may_clobber_ref_p_1): Likewise.
64 2009-04-16 Ian Lance Taylor <iant@google.com>
66 * df.h: Include "timevar.h".
67 (struct df_problem): Change tv_id field to timevar_id_t.
68 * tree-pass.h: Include "timevar.h".
69 (struct opt_pass): Change tv_id field to timevar_id_t.
70 * timevar.h (timevar_id_t): Define TV_NONE.
71 * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
72 TV_NONE rather than tv_id != 0.
73 (execute_one_pass): Likewise.
74 * Makefile.in (DF_H): Add $(TIMEVAR_H).
75 (TREE_PASS_H): Define. Change all instances of tree-pass.h in
76 dependencies to $(TREE_PASS_H).
77 * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
79 (pass_branch_target_load_optimize2): Likewise.
80 * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
81 (pass_outof_cfg_layout_mode): Likewise.
82 * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
83 (pass_rebuild_cgraph_edges): Likewise.
84 (pass_remove_cgraph_callee_edges): Likewise.
85 * df-core.c (pass_df_initialize_opt): Likewise.
86 (pass_df_initialize_no_opt): Likewise.
87 (pass_df_finish): Likewise.
88 * emit-rtl.c (pass_unshare_all_rtl): Likewise.
89 * except.c (pass_set_nothrow_function_flags): Likewise.
90 (pass_convert_to_eh_region_ranges): Likewise.
91 * final.c (pass_compute_alignments): Likewise.
92 * function.c (pass_instantiate_virtual_regs): Likewise.
93 (pass_init_function): Likewise.
94 (pass_leaf_regs): Likewise.
95 (pass_match_asm_constraints): Likewise.
96 * gimple-low.c (pass_lower_cf): Likewise.
97 (pass_mark_used_blocks): Likewise.
98 * init-regs.c (pass_initialize_regs): Likewise.
99 * integrate.c (pass_initial_value_sets): Likewise.
100 * ira.c (pass_ira): Likewise.
101 * jump.c (pass_cleanup_barriers): Likewise.
102 * omp-low.c (pass_expand_omp): Likewise.
103 (pass_lower_omp): Likewise.
104 * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
105 * recog.c (pass_split_all_insns): Likewise.
106 (pass_split_after_reload): Likewise.
107 (pass_split_before_regstack): Likewise.
108 (pass_split_before_sched2): Likewise.
109 (pass_split_for_shorten_branches): Likewise.
110 * reginfo.c (pass_reginfo_init): Likewise.
111 (pass_subregs_of_mode_init): Likewise.
112 (pass_subregs_of_mode_finish): Likewise.
113 * passes.c (pass_postreload): Likewise.
114 * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
115 * tree-cfg.c (pass_remove_useless_stmts): Likewise.
116 (pass_warn_function_return): Likewise.
117 (pass_warn_function_noreturn): Likewise.
118 * tree-complex.c (pass_lower_complex): Likewise.
119 (pass_lower_complex_O0): Likewise.
120 * tree-if-conv.c (pass_if_conversion): Likewise.
121 * tree-into-ssa.c (pass_build_ssa): Likewise.
122 * tree-mudflap.c (pass_mudflap_1): Likewise.
123 (pass_mudflap_2): Likewise.
124 * tree-nomudflap.c (pass_mudflap_1): Likewise.
125 (pass_mudflap_2): Likewise.
126 * tree-nrv.c (pass_return_slot): Likewise.
127 * tree-object-size.c (pass_object_sizes): Likewise.
128 * tree-optimize.c (pass_all_optimizations): Likewise.
129 (pass_early_local_passes): Likewise.
130 (pass_all_early_optimizations): Likewise.
131 (pass_cleanup_cfg): Likewise.
132 (pass_cleanup_cfg_post_optimizing): Likewise.
133 (pass_free_datastructures): Likewise.
134 (pass_free_cfg_annotations): Likewise.
135 (pass_fixup_cfg): Likewise.
136 (pass_init_datastructures): Likewise.
137 * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
138 (pass_late_warn_uninitialized): Likewise.
139 (pass_update_address_taken): Likewise.
140 * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
141 * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
142 (pass_cse_sincos): Likewise.
143 (pass_convert_to_rsqrt): Likewise.
144 * tree-ssa-structalias.c (pass_build_alias): Likewise.
145 * tree-stdarg.c (pass_stdarg): Likewise.
146 * tree-tailcall.c (pass_tail_recursion): Likewise.
147 (pass_tail_calls): Likewise.
148 * tree-vect-generic.c (pass_lower_vector): Likewise.
149 (pass_lower_vector_ssa): Likewise.
150 * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
152 2009-04-16 Joseph Myers <joseph@codesourcery.com>
154 * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
156 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
158 * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
161 2009-04-16 Kaz Kojima <kkojima@gcc.gnu.org>
164 * config/sh/predicates.md (arith_operand): Check if the operand
165 of TRUNCATE is a REG.
167 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
169 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
170 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
172 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
174 * tree-iterator.c (tsi_split_statement_list_after,
175 tsi_split_statement_list_before): Remove.
176 * tree-iterator.h: Remove the prototypes for
177 tsi_split_statement_list_after and tsi_split_statement_list_before.
179 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
181 * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
182 * tree-ssa-propagate.h: Remove the prototype for
183 stmt_makes_single_load.
185 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
187 * emit-rtl.c (set_mem_attrs_from_reg): Remove.
188 * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
190 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
192 * tree-iterator.c (EXPR_LAST_BODY): Remove.
194 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
196 * except.c (eh_region_outer_p): Remove.
197 * except.h: Remove the prototype for eh_region_outer_p.
199 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
201 * function.c (current_function_assembler_name): Remove.
202 * function.h: Remove the prototype for
203 current_function_assembler_name.
205 2009-04-16 Ian Lance Taylor <iant@google.com>
207 * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
208 (add_reg_note): Call alloc_reg_note.
209 * rtl.h (alloc_reg_note): Declare.
210 * combine.c (try_combine): Use alloc_reg_note.
211 (recog_for_combine, move_deaths): Likewise.
212 (distribute_notes): Use alloc_reg_note and add_reg_note.
213 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
214 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
215 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
217 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
219 PR rtl-optimization/39762
220 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
221 ira_may_move_out_cost): Add comments about way of their usage.
222 (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
224 * ira-conflicts.c (process_regs_for_copy): Use function
225 ira_get_register_move_cost instead of global
226 ira_register_move_cost.
228 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
229 color_pass, move_spill_restore, update_curr_costs): Ditto.
231 * ira-lives.c (process_single_reg_class_operands): Ditto.
233 * ira-emit.c (emit_move_list): Ditto.
235 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
236 (record_reg_classes): Ditto. Use functions
237 ira_get_register_move_cost and ira_get_may_move_cost instead of
238 global vars ira_register_move_cost, ira_may_move_out_cost and
239 ira_may_move_in_cost.
240 (record_address_regs): Don't call ira_init_register_move_cost.
241 Use function ira_get_may_move_cost instead of global
242 ira_may_move_in_cost.
243 (process_bb_node_for_hard_reg_moves): Use function
244 ira_get_register_move_cost instead of global ira_register_move_cost.
245 (ira_costs): Don't call ira_init_register_move_cost.
247 2009-04-16 Richard Guenther <rguenther@suse.de>
249 * tree-cfg.c (verify_gimple_assign_binary):
250 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
251 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
252 (create_general_new_stmt): Note that this function is broken.
254 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
256 * common.opt (fhelp): Add Var(help_flag).
257 * gcc-plugin.h (plugin_info): Add help.
258 * plugin.c (plugin_name_args): Add help.
259 (register_plugin_info): Set plugin->help.
260 (print_help_one_plugin): New.
261 (print_plugins_help): New.
262 * plugin.h (print_plugins_help): New.
263 * toplev.c (toplev_main): Call print_plugins_help if needed.
265 2009-04-16 Richard Guenther <rguenther@suse.de>
267 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
268 (gimple_ior_addresses_taken_1): New function.
269 (gimple_ior_addresses_taken): Likewise.
270 * gimple.h (struct gimple_statement_with_ops_base): Remove
271 addresses_taken member.
272 (gimple_ior_addresses_taken): Declare.
273 (gimple_addresses_taken, gimple_addresses_taken_ptr,
274 gimple_set_addresses_taken): Remove.
275 * ipa-reference.c (mark_address): New function.
276 (scan_stmt_for_static_refs): Use it for marking addresses taken.
277 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
278 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
279 (gimple_add_to_addresses_taken): Remove.
280 (get_tmr_operands): Call mark_address_taken.
281 (get_asm_expr_operands): Likewise.
282 (get_expr_operands): Likewise.
283 (build_ssa_operands): Do not clear the addresses_taken bitmap.
284 (free_stmt_operands): Do not free it.
285 * tree-ssa.c (delete_tree_ssa): Likewise.
286 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
288 2009-04-16 Richard Guenther <rguenther@suse.de>
290 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
291 (walk_stmt_load_store_ops): Likewise.
292 * gimple.c (get_base_loadstore): New function.
293 (walk_stmt_load_store_addr_ops): Likewise.
294 (walk_stmt_load_store_ops): Likewise.
295 * ipa-pure-const.c (check_op): Simplify.
296 (check_load, check_store): New functions.
297 (check_stmt): Use walk_stmt_load_store_ops.
298 * ipa-reference.c (mark_load): Adjust signature.
299 (mark_store): Likewise.
300 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
302 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
304 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
306 * opts.c (common_handle_option): Don't call print_version.
307 * plugin.c (plugin_name_args): Add version.
308 (register_plugin_info): New.
309 (register_callback): Handle PLUGIN_INFO.
310 (try_init_one_plugin): New.
311 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
313 (finalize_one_plugin): New.
314 (finalize_plugins): New.
315 (print_one_plugin): New.
316 (print_plugins_versions): New.
317 * plugin.h (print_plugins_versions): New.
318 (finalize_plugins): New.
319 * toplev.c (compile_file): Don't call initialize_plugins.
320 (print_version): Call print_plugins_versions.
321 (toplev_main): Call initialize_plugins. Print version if needed.
322 Call finalize_plugins.
324 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
326 * common.opt (fversion): New.
327 * gcc.c (print_version): New.
328 (process_command): Don't print the version. Just set print_version.
329 (main): Print version. Call subprocesses if print_version and
330 verbose_flag are set.
331 * opts.c (common_handle_option): Handle OPT_fversion.
333 2009-04-16 Richard Guenther <rguenther@suse.de>
334 Ira Rosen <irar@il.ibm.com>
336 PR tree-optimization/39698
337 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
338 type of the reduction variable. Only generate the def if
341 * omp-low.c (expand_omp_for_generic): When converting to a pointer
342 make sure to first convert to an integer of the same precision.
343 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
344 the type of the evolution correctly in computing the new
345 induction variable base.
347 2009-04-16 Richard Guenther <rguenther@suse.de>
350 * tree-cfg.c (make_blocks): Split statements with to-be
351 abnormal SSA names on the lhs.
353 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
355 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
356 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
357 * c-typeck.c (really_start_incremental_init): Likewise.
358 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
359 (TARGET_INITIALIZER): Remove it.
360 * target.h (struct target): Remove vector_opaque_p.
361 * tree.c (build_opaque_vector_type): New.
362 * tree.h (TYPE_VECTOR_OPAQUE): New.
363 (build_opaque_vector_type): Declare.
364 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
365 * config/rs6000/rs6000.c (build_opaque_vector_type,
366 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
367 (rs6000_init_builtins): Use build_opaque_vector_type for
368 opaque_V4SI_type_node.
370 2009-04-15 Catherine Moore <clm@codesourcery.com>
372 * debug.h (set_name): Declare.
373 * dwarf2out.c (dwarf2out_set_name): Declare.
374 (dwarf2_debug_hooks): Add set_name.
375 (find_AT_string): New.
376 (add_AT_string): Call find_AT_string.
377 (dwarf2out_set_name): New.
378 * cp/decl.c (grokdeclarator): Call set_name.
379 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
380 * debug.c (do_nothing_debug_hooks): Likewise.
381 * dbxout.c (dbx_debug_hooks): Likewise.
382 * sdbout.c (sdb_debug_hooks): Likewise.
384 2009-04-15 Michael Eager <eager@eagercon.com>
386 * config/rs6000/rs6000.c (rs6000_function_value): Set function return
387 reg for single-precision FPU.
388 * config/rs6000/rs6000.md (movsi_internal1): Only for
390 (movsi_internal1_single): New. Add pattern to move SI values to/from
391 single-precision FP regs.
393 2009-04-15 Richard Guenther <rguenther@suse.de>
395 * omp-low.c (lower_rec_input_clauses): Build correct address
397 (expand_omp_for_generic): Fix multiplication type.
398 * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
399 (generate_memset_zero): Fix types.
400 * tree-profile.c (prepare_instrumented_value): Correctly
403 2009-04-15 Ian Lance Taylor <iant@google.com>
405 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
406 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
407 for -Wall and for -Wc++-compat.
408 (c_common_post_options): For C++, set warn_enum_compare if not
410 * c-tree.h (struct c_expr): Add field original_type.
411 (build_external_ref): Update declaration.
412 * c-parser.c (c_parser_braced_init): Set original_type.
413 (c_parser_initelt): Likewise.
414 (c_parser_expr_no_commas): Likewise.
415 (c_parser_conditional_expression): Likewise.
416 (c_parser_cast_expression): Likewise.
417 (c_parser_unary_expression): Likewise. Pull setting of
418 original_code to top of function.
419 (c_parser_sizeof_expression): Set original_type.
420 (c_parser_alignof_expression): Likewise.
421 (c_parser_postfix_expression): Likewise. Pull setting of
422 original_code to top of function.
423 (c_parser_postfix_expression_after_paren_type): Set original_type.
424 (c_parser_postfix_expression_after_primary): Likewise.
425 (c_parser_expression): Likewise.
426 * c-typeck.c (build_external_ref): Add type parameter. Change all
428 (c_expr_sizeof_expr): Set original_type field.
429 (parser_build_unary_op): Likewise.
430 (parser_build_binary_op): Likewise. Optionally warn about
431 comparisons of enums of different types.
432 (digest_init): Set original_type field.
433 (really_start_incremental_init): Likewise.
434 (push_init_level, pop_init_level): Likewise.
435 * doc/invoke.texi (Warning Options): -Wenum-compare now
438 2009-04-15 Richard Guenther <rguenther@suse.de>
440 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
441 out a necessary conversion.
442 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
443 names we didn't value number.
444 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
446 2009-04-15 Richard Guenther <rguenther@suse.de>
448 PR tree-optimization/39764
449 * tree-ssa-ccp.c (get_value): Canonicalize value with
450 canonicalize_float_value.
452 2009-04-15 Jan Hubicka <jh@suse.cz>
454 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
455 Wrong version of patch.
457 2009-04-15 Jan Hubicka <jh@suse.cz>
459 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
461 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
463 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
464 our distinct integral and vector types.
466 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
468 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
469 * init.c (build_vtbl_address): Remove call to assemble_external.
471 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
473 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
474 output for other floating point modes.
476 2009-04-14 Diego Novillo <dnovillo@google.com>
478 * diagnostic.c (diagnostic_report_diagnostic): Do not
479 warn about loaded plugins for DK_ERROR and DK_WARNING.
480 * c-decl.c (declspecs_add_type): Move call to
481 invoke_plugin_callbacks ...
482 * c-parser.c (c_parser_declspecs): ... here.
483 * plugin.c (dump_active_plugins): Tidy output.
485 2009-04-14 Diego Novillo <dnovillo@google.com>
486 Le-Chun Wu <lcwu@google.com>
488 * configure.ac: Add --enable-plugin support.
489 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
490 * Makefile.in (PLUGIN_H): Define.
491 Export ENABLE_PLUGIN and GMPINC to site.exp.
492 Add PLUGINLIBS to link command.
493 Add/modify dependencies for plugin.o and files including plugin.h.
495 * config.in: Regenerate.
497 * opts.c (common_handle_option): Handle OPT_fplugin_ and
500 2009-04-14 Le-Chun Wu <lcwu@google.com>
502 * tree-pass.h (register_one_dump_file): Add a prototype for
503 register_one_dump_file.
504 * toplev.c (compile_file): Call initialize_plugins.
505 (do_compile): Call invoke_plugin_callbacks.
506 (toplev_main): Call invoke_plugin_callbacks.
507 * common.opt: Add -fplugin= and -fplugin-arg-.
508 * gcc-plugin.h: New public header file for plugins to include.
509 * plugin.c: New source file.
510 * plugin.h: New internal header file.
511 * passes.c (register_one_dump_file): Make it external.
513 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
515 2009-04-14 Diego Novillo <dnovillo@google.com>
517 * doc/plugins.texi: New.
518 * doc/gccint.texi: Add reference to Plugins chapter.
519 * doc/invoke.texi: Document -fplugin and -fplugin-arg
520 * diagnostic.c (diagnostic_report_diagnostic): Warn about
521 loaded plugins, if any.
522 * timevar.def (TV_PLUGIN_INIT): Define.
523 (TV_PLUGIN_RUN): Define.
524 * plugin.c: Include timevar.h
525 (plugins_active_p): New.
526 (dump_active_plugins): New.
527 (debug_active_plugins): New.
529 2009-04-14 Joseph Myers <joseph@codesourcery.com>
531 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
533 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
535 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
537 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
538 the same as a minus without a shift.
540 2009-04-14 Nick Clifton <nickc@redhat.com>
542 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
543 comparisons with small integers will always produce a short
546 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
549 2008-12-19 Diego Novillo <dnovillo@google.com>
551 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
553 2000-04-14 Richard Guenther <rguenther@suse.de>
555 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
557 (verify_gimple_assign_binary): Likewise. Handle shifts and
559 (verify_gimple_phi): Print the mismatched argument position.
560 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
562 (vect_update_init_of_dr): Likewise.
563 * matrix-reorg.c (transform_access_sites): Do what the
565 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
567 2009-04-13 Michael Eager <eager@eagercon.com>
569 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
570 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
571 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
572 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
573 remove duplicate config
575 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
577 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
578 file_name:line_number type locator of the call site.
580 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
582 * genautomata.c: Put blank after comma.
583 (automaton_decls): New.
584 (struct unit_usage): Add comments to member next.
585 (store_alt_unit_usage): Keep the list ordered.
586 (unit_present_on_list_p, equal_alternatives_p): New.
587 (check_regexp_units_distribution): Check units distribution
588 correctness correctly.
589 (main): Don't write automata if error is found. Return correct
592 * config/m68k/cf.md (cfv4_ds): Remove.
593 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
594 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
596 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
597 power4-load-ext, power4-store, power4-store-update,
598 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
599 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
600 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
601 power4-sqrt, power4-isync): Modify reservation to make correct
602 unit distribution to automata.
604 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
605 power5-store-update, power5-two, power5-three, power5-lmul,
606 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
608 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
610 * except.c (pass_set_nothrow_function_flags): Set name and add
612 (set_nothrow_function_flags): Mention in the dump file when
613 changing a function to nothrow.
615 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
618 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
619 instead of unsigned long.
621 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
623 * config/arm/arm.c (return_used_this_function): Remove.
624 (arm_output_function_prologue): Remove use of
625 return_used_this_function.
626 (output_return_instruction): Replace use of
627 return_used_this_function
628 by cfun->machine->return_used_this_function.
629 (arm_output_epilogue): Likewise.
630 (arm_output_function_epilogue): Likewise.
631 (thumb_unexpanded_epilogue): Likewise.
632 * config/arm/arm.h (struct machine_function):
633 New member return_used_this_function.
635 2009-04-12 Mark Mitchell <mark@codesourcery.com>
637 * doc/install.texi: Correct description of default directory for
638 --with-gxx-include-dir.
640 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
642 * fold-const.c (build_range_check): Properly deal with enumeral and
645 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
647 * doc/invoke.texi (max_gcse_passes): Remove documentation.
648 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
649 * params.h (MAX_GCSE_PASSES): Remove.
650 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
651 in sequence. Remove ability to run multiple passes.
652 (bypass_jumps): Report run as third CPROP pass.
654 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
657 * except.c (can_throw_external): Look at each insn in a SEQUENCE
658 when deciding whether the whole SEQUENCE can throw.
660 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
663 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
664 offseted label references.
666 2009-04-11 Jan Hubicka <jh@suse.cz>
668 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
670 2009-04-11 Richard Guenther <rguenther@suse.de>
673 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
674 return variables as TREE_ADDRESSABLE.
676 2009-04-11 Richard Guenther <rguenther@suse.de>
678 PR tree-optimization/39713
679 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
680 reference trees have SSA_NAME operands.
682 2009-04-11 Richard Guenther <rguenther@suse.de>
685 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
688 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
690 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
691 match changes in Cygwin 1.7
692 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
693 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
695 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
697 PR tree-optimization/39701
698 * doc/invoke.texi (Optimization Options): Document change in
699 meaning and initialization of -fdelete-null-pointer-checks.
701 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
704 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
706 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
709 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
711 2009-04-10 Chao-ying Fu <fu@mips.com>
713 * doc/tm.texi (Instruction Output): Document
714 TARGET_ASM_FINAL_POSTSCAN_INSN.
715 * target.h (final_postscan_insn): New field in asm_out.
716 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
717 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
718 * final.c (final_scan_insn): Call
719 targetm.asm_out.final_postscan_insn after outputting
720 an asm macro and a normal instruction.
722 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
723 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
724 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
725 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
726 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
728 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
731 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
732 variables as non-NULL even with -fdelete-null-pointer-checks.
734 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
736 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
738 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
741 * config/i386/i386.c (classify_argument): Handle SCmode with
742 (bit_offset % 64) != 0.
744 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
746 * doc/invoke.texi (Optimize Options): Add cross-reference to
747 -Q --help=optimizers examples.
749 2009-04-10 Ben Elliston <bje@au.ibm.com>
752 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
753 regalign for the reg == fpr and TDmode case.
755 2009-04-09 David Ayers <ayers@fsfe.org>
758 * objc/objc-act.c (warn_with_method): Remove helper function.
759 (check_duplicates): Call warning and inform directly.
760 (really_start_method): Likewise.
762 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
764 * expmed.c (expand_divmod): Always use a comparison for a division
765 by a large unsigned integer.
767 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
768 for things others than variables or functions as nonzero.
770 2009-04-09 Nick Clifton <nickc@redhat.com>
772 * unwind-compat.c: Change copyright header to refer to version
773 3 of the GNU General Public License with version 3.1 of the
774 GCC Runtime Library Exception and to point readers at the
775 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
776 * config/alpha/crtfastmath.c: Likewise.
777 * config/alpha/linux-unwind.h: Likewise.
778 * config/alpha/qrnnd.asm: Likewise.
779 * config/alpha/vms-crt0-64.c: Likewise.
780 * config/alpha/vms-crt0.c: Likewise.
781 * config/alpha/vms-dwarf2.asm: Likewise.
782 * config/alpha/vms-dwarf2eh.asm: Likewise.
783 * config/alpha/vms-psxcrt0-64.c: Likewise.
784 * config/alpha/vms-psxcrt0.c: Likewise.
785 * config/alpha/vms_tramp.asm: Likewise.
786 * config/arc/initfini.c: Likewise.
787 * config/arc/lib1funcs.asm: Likewise.
788 * config/arm/bpabi-v6m.S: Likewise.
789 * config/arm/bpabi.S: Likewise.
790 * config/arm/bpabi.c: Likewise.
791 * config/arm/crti.asm: Likewise.
792 * config/arm/crtn.asm: Likewise.
793 * config/arm/ieee754-df.S: Likewise.
794 * config/arm/ieee754-sf.S: Likewise.
795 * config/arm/lib1funcs.asm: Likewise.
796 * config/arm/libunwind.S: Likewise.
797 * config/arm/linux-atomic.c: Likewise.
798 * config/arm/mmintrin.h: Likewise.
799 * config/arm/pr-support.c: Likewise.
800 * config/arm/unaligned-funcs.c: Likewise.
801 * config/arm/unwind-arm.c: Likewise.
802 * config/arm/unwind-arm.h: Likewise.
803 * config/avr/libgcc.S: Likewise.
804 * config/bfin/crti.s: Likewise.
805 * config/bfin/crtlibid.s: Likewise.
806 * config/bfin/crtn.s: Likewise.
807 * config/bfin/lib1funcs.asm: Likewise.
808 * config/bfin/linux-unwind.h: Likewise.
809 * config/cris/arit.c: Likewise.
810 * config/cris/cris_abi_symbol.c: Likewise.
811 * config/darwin-64.c: Likewise.
812 * config/darwin-crt2.c: Likewise.
813 * config/darwin-crt3.c: Likewise.
814 * config/darwin.h: Likewise.
815 * config/dbxelf.h: Likewise.
816 * config/dfp-bit.c: Likewise.
817 * config/dfp-bit.h: Likewise.
818 * config/elfos.h: Likewise.
819 * config/fixed-bit.c: Likewise.
820 * config/fixed-bit.h: Likewise.
821 * config/fp-bit.c: Likewise.
822 * config/fp-bit.h: Likewise.
823 * config/fr30/crti.asm: Likewise.
824 * config/fr30/crtn.asm: Likewise.
825 * config/fr30/lib1funcs.asm: Likewise.
826 * config/freebsd-spec.h: Likewise.
827 * config/frv/cmovd.c: Likewise.
828 * config/frv/cmovh.c: Likewise.
829 * config/frv/cmovw.c: Likewise.
830 * config/frv/frvbegin.c: Likewise.
831 * config/frv/frvend.c: Likewise.
832 * config/frv/lib1funcs.asm: Likewise.
833 * config/glibc-stdint.h: Likewise.
834 * config/h8300/clzhi2.c: Likewise.
835 * config/h8300/crti.asm: Likewise.
836 * config/h8300/crtn.asm: Likewise.
837 * config/h8300/ctzhi2.c: Likewise.
838 * config/h8300/fixunssfsi.c: Likewise.
839 * config/h8300/lib1funcs.asm: Likewise.
840 * config/h8300/parityhi2.c: Likewise.
841 * config/h8300/popcounthi2.c: Likewise.
842 * config/i386/ammintrin.h: Likewise.
843 * config/i386/att.h: Likewise.
844 * config/i386/avxintrin.h: Likewise.
845 * config/i386/biarch64.h: Likewise.
846 * config/i386/bmmintrin.h: Likewise.
847 * config/i386/cpuid.h: Likewise.
848 * config/i386/cross-stdarg.h: Likewise.
849 * config/i386/crtfastmath.c: Likewise.
850 * config/i386/crtprec.c: Likewise.
851 * config/i386/cygming-crtbegin.c: Likewise.
852 * config/i386/cygming-crtend.c: Likewise.
853 * config/i386/cygwin.asm: Likewise.
854 * config/i386/emmintrin.h: Likewise.
855 * config/i386/gmm_malloc.h: Likewise.
856 * config/i386/gthr-win32.c: Likewise.
857 * config/i386/i386.h: Likewise.
858 * config/i386/immintrin.h: Likewise.
859 * config/i386/linux-unwind.h: Likewise.
860 * config/i386/linux64.h: Likewise.
861 * config/i386/mm3dnow.h: Likewise.
862 * config/i386/mmintrin-common.h: Likewise.
863 * config/i386/mmintrin.h: Likewise.
864 * config/i386/nmmintrin.h: Likewise.
865 * config/i386/pmm_malloc.h: Likewise.
866 * config/i386/pmmintrin.h: Likewise.
867 * config/i386/smmintrin.h: Likewise.
868 * config/i386/sol2-c1.asm: Likewise.
869 * config/i386/sol2-ci.asm: Likewise.
870 * config/i386/sol2-cn.asm: Likewise.
871 * config/i386/sol2-gc1.asm: Likewise.
872 * config/i386/tmmintrin.h: Likewise.
873 * config/i386/unix.h: Likewise.
874 * config/i386/w32-unwind.h: Likewise.
875 * config/i386/wmmintrin.h: Likewise.
876 * config/i386/x86-64.h: Likewise.
877 * config/i386/x86intrin.h: Likewise.
878 * config/i386/xmmintrin.h: Likewise.
879 * config/ia64/crtbegin.asm: Likewise.
880 * config/ia64/crtend.asm: Likewise.
881 * config/ia64/crtfastmath.c: Likewise.
882 * config/ia64/crti.asm: Likewise.
883 * config/ia64/crtn.asm: Likewise.
884 * config/ia64/fde-glibc.c: Likewise.
885 * config/ia64/lib1funcs.asm: Likewise.
886 * config/ia64/linux-unwind.h: Likewise.
887 * config/ia64/quadlib.c: Likewise.
888 * config/ia64/unwind-ia64.c: Likewise.
889 * config/linux.h: Likewise.
890 * config/m32c/m32c-lib1.S: Likewise.
891 * config/m32c/m32c-lib2-trapv.c: Likewise.
892 * config/m32c/m32c-lib2.c: Likewise.
893 * config/m32r/initfini.c: Likewise.
894 * config/m68hc11/larith.asm: Likewise.
895 * config/m68hc11/m68hc11-crt0.S: Likewise.
896 * config/m68k/cf.md: Likewise.
897 * config/m68k/crti.s: Likewise.
898 * config/m68k/crtn.s: Likewise.
899 * config/m68k/lb1sf68.asm: Likewise.
900 * config/m68k/linux-unwind.h: Likewise.
901 * config/mcore/crti.asm: Likewise.
902 * config/mcore/crtn.asm: Likewise.
903 * config/mcore/lib1.asm: Likewise.
904 * config/mips/linux-unwind.h: Likewise.
905 * config/mips/loongson.h: Likewise.
906 * config/mips/mips16.S: Likewise.
907 * config/mmix/crti.asm: Likewise.
908 * config/mmix/crtn.asm: Likewise.
909 * config/pa/fptr.c: Likewise.
910 * config/pa/hpux-unwind.h: Likewise.
911 * config/pa/lib2funcs.asm: Likewise.
912 * config/pa/linux-atomic.c: Likewise.
913 * config/pa/linux-unwind.h: Likewise.
914 * config/pa/milli64.S: Likewise.
915 * config/pa/quadlib.c: Likewise.
916 * config/pa/stublib.c: Likewise.
917 * config/picochip/libgccExtras/adddi3.asm: Likewise.
918 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
919 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
920 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
921 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
922 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
923 * config/picochip/libgccExtras/divmod15.asm: Likewise.
924 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
925 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
926 * config/picochip/libgccExtras/longjmp.asm: Likewise.
927 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
928 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
929 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
930 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
931 * config/picochip/libgccExtras/setjmp.asm: Likewise.
932 * config/picochip/libgccExtras/subdi3.asm: Likewise.
933 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
934 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
935 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
936 * config/rs6000/750cl.h: Likewise.
937 * config/rs6000/altivec.h: Likewise.
938 * config/rs6000/biarch64.h: Likewise.
939 * config/rs6000/crtresfpr.asm: Likewise.
940 * config/rs6000/crtresgpr.asm: Likewise.
941 * config/rs6000/crtresxfpr.asm: Likewise.
942 * config/rs6000/crtresxgpr.asm: Likewise.
943 * config/rs6000/crtsavfpr.asm: Likewise.
944 * config/rs6000/crtsavgpr.asm: Likewise.
945 * config/rs6000/darwin-asm.h: Likewise.
946 * config/rs6000/darwin-fallback.c: Likewise.
947 * config/rs6000/darwin-fpsave.asm: Likewise.
948 * config/rs6000/darwin-ldouble.c: Likewise.
949 * config/rs6000/darwin-tramp.asm: Likewise.
950 * config/rs6000/darwin-unwind.h: Likewise.
951 * config/rs6000/darwin-vecsave.asm: Likewise.
952 * config/rs6000/darwin-world.asm: Likewise.
953 * config/rs6000/e500crtres32gpr.asm: Likewise.
954 * config/rs6000/e500crtres64gpr.asm: Likewise.
955 * config/rs6000/e500crtres64gprctr.asm: Likewise.
956 * config/rs6000/e500crtrest32gpr.asm: Likewise.
957 * config/rs6000/e500crtrest64gpr.asm: Likewise.
958 * config/rs6000/e500crtresx32gpr.asm: Likewise.
959 * config/rs6000/e500crtresx64gpr.asm: Likewise.
960 * config/rs6000/e500crtsav32gpr.asm: Likewise.
961 * config/rs6000/e500crtsav64gpr.asm: Likewise.
962 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
963 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
964 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
965 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
966 * config/rs6000/eabi-ci.asm: Likewise.
967 * config/rs6000/eabi-cn.asm: Likewise.
968 * config/rs6000/eabi.asm: Likewise.
969 * config/rs6000/linux-unwind.h: Likewise.
970 * config/rs6000/linux64.h: Likewise.
971 * config/rs6000/paired.h: Likewise.
972 * config/rs6000/paired.md: Likewise.
973 * config/rs6000/ppc64-fp.c: Likewise.
974 * config/rs6000/ppu_intrinsics.h: Likewise.
975 * config/rs6000/rs6000.h: Likewise.
976 * config/rs6000/si2vmx.h: Likewise.
977 * config/rs6000/sol-ci.asm: Likewise.
978 * config/rs6000/sol-cn.asm: Likewise.
979 * config/rs6000/spe.h: Likewise.
980 * config/rs6000/spu2vmx.h: Likewise.
981 * config/rs6000/sysv4.h: Likewise.
982 * config/rs6000/tramp.asm: Likewise.
983 * config/rs6000/vec_types.h: Likewise.
984 * config/s390/linux-unwind.h: Likewise.
985 * config/s390/tpf-unwind.h: Likewise.
986 * config/score/crti.asm: Likewise.
987 * config/score/crtn.asm: Likewise.
988 * config/sh/crt1.asm: Likewise.
989 * config/sh/crti.asm: Likewise.
990 * config/sh/crtn.asm: Likewise.
991 * config/sh/divtab-sh4-300.c: Likewise.
992 * config/sh/divtab-sh4.c: Likewise.
993 * config/sh/divtab.c: Likewise.
994 * config/sh/lib1funcs-4-300.asm: Likewise.
995 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
996 * config/sh/lib1funcs.asm: Likewise.
997 * config/sh/lib1funcs.h: Likewise.
998 * config/sh/linux-atomic.asm: Likewise.
999 * config/sh/linux-unwind.h: Likewise.
1000 * config/sh/shmedia.h: Likewise.
1001 * config/sh/sshmedia.h: Likewise.
1002 * config/sh/ushmedia.h: Likewise.
1003 * config/sparc/crtfastmath.c: Likewise.
1004 * config/sparc/linux-unwind.h: Likewise.
1005 * config/sparc/sol2-c1.asm: Likewise.
1006 * config/sparc/sol2-ci.asm: Likewise.
1007 * config/sparc/sol2-cn.asm: Likewise.
1008 * config/spu/divmodti4.c: Likewise.
1009 * config/spu/divv2df3.c: Likewise.
1010 * config/spu/float_disf.c: Likewise.
1011 * config/spu/float_unsdidf.c: Likewise.
1012 * config/spu/float_unsdisf.c: Likewise.
1013 * config/spu/float_unssidf.c: Likewise.
1014 * config/spu/mfc_multi_tag_release.c: Likewise.
1015 * config/spu/mfc_multi_tag_reserve.c: Likewise.
1016 * config/spu/mfc_tag_release.c: Likewise.
1017 * config/spu/mfc_tag_reserve.c: Likewise.
1018 * config/spu/mfc_tag_table.c: Likewise.
1019 * config/spu/multi3.c: Likewise.
1020 * config/spu/spu_internals.h: Likewise.
1021 * config/spu/spu_intrinsics.h: Likewise.
1022 * config/spu/spu_mfcio.h: Likewise.
1023 * config/spu/vec_types.h: Likewise.
1024 * config/spu/vmx2spu.h: Likewise.
1025 * config/stormy16/stormy16-lib2.c: Likewise.
1026 * config/svr4.h: Likewise.
1027 * config/sync.c: Likewise.
1028 * config/v850/lib1funcs.asm: Likewise.
1029 * config/vxlib-tls.c: Likewise.
1030 * config/vxlib.c: Likewise.
1031 * config/vxworks-dummy.h: Likewise.
1032 * config/xtensa/crti.asm: Likewise.
1033 * config/xtensa/crtn.asm: Likewise.
1034 * config/xtensa/ieee754-df.S: Likewise.
1035 * config/xtensa/ieee754-sf.S: Likewise.
1036 * config/xtensa/lib1funcs.asm: Likewise.
1037 * config/xtensa/lib2funcs.S: Likewise.
1038 * config/xtensa/linux-unwind.h: Likewise.
1039 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1040 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1041 * coretypes.h: Likewise.
1042 * crtstuff.c: Likewise.
1043 * defaults.h: Likewise.
1044 * dwarf2.h: Likewise.
1045 * emutls.c: Likewise.
1046 * gbl-ctors.h: Likewise.
1047 * gcov-io.h: Likewise.
1048 * ginclude/float.h: Likewise.
1049 * ginclude/iso646.h: Likewise.
1050 * ginclude/stdarg.h: Likewise.
1051 * ginclude/stdbool.h: Likewise.
1052 * ginclude/stddef.h: Likewise.
1053 * ginclude/stdfix.h: Likewise.
1054 * ginclude/stdint-gcc.h: Likewise.
1055 * ginclude/tgmath.h: Likewise.
1056 * gthr-aix.h: Likewise.
1057 * gthr-dce.h: Likewise.
1058 * gthr-gnat.c: Likewise.
1059 * gthr-gnat.h: Likewise.
1060 * gthr-lynx.h: Likewise.
1061 * gthr-mipssde.h: Likewise.
1062 * gthr-nks.h: Likewise.
1063 * gthr-posix.c: Likewise.
1064 * gthr-posix.h: Likewise.
1065 * gthr-posix95.h: Likewise.
1066 * gthr-rtems.h: Likewise.
1067 * gthr-single.h: Likewise.
1068 * gthr-solaris.h: Likewise.
1069 * gthr-tpf.h: Likewise.
1070 * gthr-vxworks.h: Likewise.
1071 * gthr-win32.h: Likewise.
1073 * libgcc2.c: Likewise.
1074 * libgcc2.h: Likewise.
1075 * libgcov.c: Likewise.
1076 * tsystem.h: Likewise.
1077 * typeclass.h: Likewise.
1078 * unwind-c.c: Likewise.
1079 * unwind-compat.h: Likewise.
1080 * unwind-dw2-fde-compat.c: Likewise.
1081 * unwind-dw2-fde-darwin.c: Likewise.
1082 * unwind-dw2-fde-glibc.c: Likewise.
1083 * unwind-dw2-fde.c: Likewise.
1084 * unwind-dw2-fde.h: Likewise.
1085 * unwind-dw2.c: Likewise.
1086 * unwind-dw2.h: Likewise.
1087 * unwind-generic.h: Likewise.
1088 * unwind-pe.h: Likewise.
1089 * unwind-sjlj.c: Likewise.
1090 * unwind.inc: Likewise.
1091 * config/arm/neon-gen.ml: Change generated copyright header to
1092 refer to version 3 of the GNU General Public License with
1093 version 3.1 of the GCC Runtime Library Exception and to point
1094 readers at the COPYING3 and COPYING3.RUNTIME files and the
1095 FSF's license web page.
1096 * config/arm/arm_neon.h: Regenerate.
1098 2009-04-09 Jakub Jelinek <jakub@redhat.com>
1100 * config/cris/cris.md: Change copyright header to refer to version
1101 3 of the GNU General Public License.
1102 * doc/install.texi2html: Change copyright header to refer to version
1103 3 of the GNU General Public License and to point readers at the
1104 COPYING3 file and the FSF's license web page.
1105 * config/vax/linux.h: Likewise.
1107 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
1109 * config/i386/i386.md (cmpcc): New.
1110 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1111 (sync_compare_and_swap_cc*): Delete.
1113 * config/s390/s390.c (s390_compare_emitted): Remove.
1114 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1115 s390_compare_emitted used to be handled. Assert that modes match.
1116 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1117 refer to sync_compare_and_swap_ccsi.
1118 * config/s390/s390.h (s390_compare_emitted): Remove.
1119 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1120 instead of s390_compare_emitted.
1121 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1122 instead of s390_compare_emitted.
1123 * config/s390/s390.md (cmpcc): New.
1124 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1125 CC_REGNUM, do not pretend it's set.
1126 (sync_compare_and_swap_cc*): Delete.
1127 * config/s390/predicates.md (cc_reg_operand): New.
1129 * expr.c (sync_compare_and_swap_cc): Delete.
1130 * optabs.h (sync_compare_and_swap_cc): Delete.
1131 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1132 is being used with can_compare_p.
1133 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1135 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1136 look for a MODE_CC set instead. Use emit_store_flag.
1137 (expand_compare_and_swap_loop): Likewise, with some additional
1138 complication to avoid a force_reg when useless. Use
1139 emit_cmp_and_jump_insns.
1140 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1141 * doc/md.texi (sync_compare_and_swap_cc): Merge with
1142 sync_compare_and_swap documentation.
1144 2009-04-09 Jan Hubicka <jh@suse.cz>
1146 * except.c (find_prev_try): Break out from ....
1147 (duplicate_eh_regions): ... here; properly update prev_try pointers
1148 when duplication part of tree.
1149 (dump_eh_tree): Improve dumping.
1150 (verify_eh_region): New.
1151 (verify_eh_tree): Use it.
1153 2009-04-06 Richard Guenther <rguenther@suse.de>
1155 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1156 &ARRAY addresses by adjusting their types and prepending
1158 * tree-cfg.c (verify_gimple_assign_single): Verify that
1159 addresses are correct.
1161 2009-04-09 Richard Guenther <rguenther@suse.de>
1163 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1164 indices into an array reference if possible.
1165 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1166 Fold POINTER_PLUS_EXPR statements with invariant address.
1168 2009-04-09 Alan Modra <amodra@bigpond.net.au>
1171 * config.gcc (powerpc64-*-linux*): Always build biarch.
1173 2009-04-09 Joseph Myers <joseph@codesourcery.com>
1176 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1177 it and pedwarn if this results in an INTEGER_CST.
1179 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1181 * doc/install.texi: Update minimum GMP version. Remove obsolete
1182 text in MPFR section.
1184 2009-04-08 Jakub Jelinek <jakub@redhat.com>
1186 * dwarf2out.c (class_scope_p): New static inline.
1187 (class_or_namespace_scope_p): Use it.
1188 (gen_variable_die): Use DW_TAG_member tag for static data member
1189 declarations instead of DW_TAG_variable.
1192 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1195 2009-04-08 Richard Guenther <rguenther@suse.de>
1197 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1198 valueize random data.
1200 2009-04-08 David Edelsohn <edelsohn@gnu.org>
1202 * config.gcc (aix tm_file): Add aix-stdint.h.
1203 (aix tm clause use_gcc_stdint): Set to wrap.
1204 * config/rs6000/aix-stdint.h: New file.
1206 2009-04-08 Richard Guenther <rguenther@suse.de>
1209 * tree-dfa.c (add_referenced_var): Do not recurse into
1210 global initializers.
1211 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1213 (fold_const_aggregate_ref): Likewise.
1215 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1217 * recog.c (ordered_comparison_operator): New.
1218 * gensupport.c (std_preds): Add it.
1219 * doc/md.texi (Machine-Independent Predicates): Document it.
1221 2009-04-08 Jan Hubicka <jh@suse.cz>
1223 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1224 * function.h (rtl_eh): Remove exception_handler_label_map.
1225 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1226 remove_exception_handler_label, for_each_eh_label_1): Remove.
1227 (rtl_remove_unreachable_regions): Remove.
1228 (convert_from_eh_region_ranges): Do not remove unreachable regions.
1229 (find_exception_handler_labels): Don't build the hashtable.
1230 (maybe_remove_eh_handler): Remove.
1231 (for_each_eh_label): Rewrite to walk the tree.
1232 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1233 * except.h (maybe_remove_eh_handler): Remove.
1234 * passes.c (init_optimization_passes): Schedule second EH cleanup
1236 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1237 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1239 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1241 * genoutput.c (validate_optab_operands): New.
1242 (gen_insn, gen_expand): Call it.
1244 * genflags.c (gen_insn): Detect misused iterators.
1245 (main): Pass line_no to gen_insn, exit with status 1 on error.
1247 * genextract.c (line_no): Make global.
1248 (VEC_safe_set_locstr): Change assertion to error message.
1249 (main): Exit with status 1 on error.
1251 2009-04-08 Joseph Myers <joseph@codesourcery.com>
1255 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1256 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1257 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1258 * c-convert.c (convert): Do not call fold on results of conversion
1259 functions when the result is a C_MAYBE_CONST_EXPR.
1260 * c-parser.c (c_parser_postfix_expression): Do not fold condition
1261 of __builtin_choose_expr.
1262 * c-typeck.c (remove_c_maybe_const_expr): New.
1263 (build_unary_op, build_conditional_expr, build_compound_expr,
1264 build_binary_op, c_objc_common_truthvalue_conversion): Call
1265 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1268 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1270 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
1271 CODE to produce a new one. Add a prototype to use fold_convert_const
1273 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
1276 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1277 mix declarations and code.
1279 2009-04-08 Ben Elliston <bje@au.ibm.com>
1281 * gcc.c: Replace `CC' with `GCC' throughout.
1283 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
1285 * doc/invoke.texi: Document Atom support.
1287 2009-04-07 Jason Merrill <jason@redhat.com>
1290 * c-common.h, c-common.c: Add flag_pretty_templates.
1291 * c-opts.c (c_common_handle_option): Set it.
1292 * c.opt: Add -fno-pretty-templates.
1293 * doc/invoke.texi (C++ Dialect Options): Likewise.
1295 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
1297 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1298 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1299 (ia64_expand_builtin): Likewise.
1301 2009-04-07 Martin Jambor <mjambor@suse.cz>
1303 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1304 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1305 ADDR_EXPRS are include too.
1307 2009-04-07 Richard Guenther <rguenther@suse.de>
1309 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1310 decls are only used if passes as parameters or if they are
1311 local statics and the call is not to a builtin.
1312 (call_may_clobber_ref_p_1): Likewise.
1314 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1316 * expr.c (do_store_flag): Remove last argument. Simplify code
1317 to avoid duplication of tests already done by can_compare_p.
1318 (expand_expr_real_1): Adjust caller.
1320 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1322 * optabs.c (can_compare_p): Test the predicate of a
1323 cbranch and cstore pattern.
1325 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1327 * expr.c (convert_move): Use emit_store_flag instead of
1330 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1332 * config/i386/i386.c (ix86_compare_emitted): Remove.
1333 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1334 ix86_compare_op0 like ix86_compare_emitted used to be handled.
1335 * config/i386/i386.h (ix86_compare_emitted): Remove.
1336 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1337 instead of ix86_compare_emitted.
1338 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1340 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
1342 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1343 Add t-sysroot-suffix to tmake_file.
1344 * config/print-sysroot-suffix.sh: New file.
1345 * config/t-sysroot-suffix: New file.
1347 2009-04-07 Ben Elliston <bje@au.ibm.com>
1349 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1350 as the latter produces a warning when the target does not support
1353 2009-04-07 Ben Elliston <bje@au.ibm.com>
1355 * dfp.c: Replace type punning assignments with memcpy throughout.
1356 * Makefile.in (dfp.o-warn): Remove.
1358 2009-04-07 Alan Modra <amodra@bigpond.net.au>
1361 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1362 Include soft-fp/t-softfp after rs6000/t-linux64.
1364 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
1366 * stor-layout.c (set_sizetype): Use the full precision of their
1367 machine mode for bitsize types.
1369 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
1371 * config/i386/i386.md: Revert 2 accidental checkins.
1373 2009-04-06 Joey Ye <joey.ye@intel.com>
1374 Xuepeng Guo <xuepeng.guo@intel.com>
1375 H.J. Lu <hongjiu.lu@intel.com>
1377 Atom pipeline model, tuning and insn selection.
1378 * config.gcc (atom): Add atom config options and target.
1380 * config/i386/atom.md: New.
1382 * config/i386/i386.c (atom_cost): New cost.
1383 (m_ATOM): New macro flag.
1384 (initial_ix86_tune_features): Set m_ATOM.
1385 (x86_accumulate_outgoing_args): Likewise.
1386 (x86_arch_always_fancy_math_387): Likewise.
1387 (processor_target): Add Atom cost.
1388 (cpu_names): Add Atom cpu name.
1389 (override_options): Set Atom ISA.
1390 (ix86_issue_rate): New case PROCESSOR_ATOM.
1391 (ix86_adjust_cost): Likewise.
1393 * config/i386/i386.h (TARGET_ATOM): New target macro.
1394 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1395 (TARGET_OPT_AGU): New target option.
1396 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1397 (processor_type): Add PROCESSOR_ATOM.
1399 * config/i386/i386.md (cpu): Add new value "atom".
1400 (use_carry, movu): New attr.
1401 (atom.md): Include atom.md.
1402 (adddi3_carry_rex64): Set attr "use_carry".
1403 (addqi3_carry): Likewise.
1404 (addhi3_carry): Likewise.
1405 (addsi3_carry): Likewise.
1406 (*addsi3_carry_zext): Likewise.
1407 (subdi3_carry_rex64): Likewise.
1408 (subqi3_carry): Likewise.
1409 (subhi3_carry): Likewise.
1410 (subsi3_carry): Likewise.
1411 (x86_movdicc_0_m1_rex64): Likewise.
1412 (*x86_movdicc_0_m1_se): Likewise.
1413 (x86_movsicc_0_m1): Likewise.
1414 (*x86_movsicc_0_m1_se): Likewise.
1415 (*adddi_1_rex64): Emit add insn as much as possible.
1416 (*addsi_1): Likewise.
1417 (return_internal): Set atom_unit.
1418 (return_internal_long): Likewise.
1419 (return_pop_internal): Likewise.
1420 (*rcpsf2_sse): Set atom_sse_attr attr.
1421 (*qrt<mode>2_sse): Likewise.
1422 (*prefetch_sse): Likewise.
1424 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1426 (ix86_target_macros_internal): Likewise.
1428 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1429 (*prefetch_sse_rex): Likewise.
1430 (sse_rcpv4sf2): Likewise.
1431 (sse_vmrcpv4sf2): Likewise.
1432 (sse_sqrtv4sf2): Likewise.
1433 (<sse>_vmsqrt<mode>2): Likewise.
1434 (sse_ldmxcsr): Likewise.
1435 (sse_stmxcsr): Likewise.
1436 (*sse_sfence): Likewise.
1437 (sse2_clflush): Likewise.
1438 (*sse2_mfence): Likewise.
1439 (*sse2_lfence): Likewise.
1440 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1441 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1442 (avx_movdqu<avxmodesuffix>): Likewise.
1443 (avx_lddqu<avxmodesuffix>): Likewise.
1444 (sse2_movntv2di): Change attr "type" to "ssemov".
1445 (sse2_movntsi): Likewise.
1446 (rsqrtv8sf2): Change attr "type" to "sseadd".
1447 (sse3_addsubv2df3): Set attr "atom_unit".
1448 (sse3_h<plusminus_insn>v4sf3): Likewise.
1449 (*sse2_pmaddwd): Likewise.
1450 (*vec_extractv2di_1_rex64): Likewise.
1451 (*vec_extractv2di_1_avx): Likewise.
1452 (sse2_psadbw): Likewise.
1453 (ssse3_phaddwv8hi3): Likewise.
1454 (ssse3_phaddwv4hi3): Likewise.
1455 (ssse3_phadddv4si3): Likewise.
1456 (ssse3_phadddv2si3): Likewise.
1457 (ssse3_phaddswv8hi3): Likewise.
1458 (ssse3_phaddswv4hi3): Likewise.
1459 (ssse3_phsubwv8hi3): Likewise.
1460 (ssse3_phsubwv4hi3): Likewise.
1461 (ssse3_phsubdv4si3): Likewise.
1462 (ssse3_phsubdv2si3): Likewise.
1463 (ssse3_phsubswv8hi3): Likewise.
1464 (ssse3_phsubswv4hi3): Likewise.
1465 (ssse3_pmaddubsw128): Likewise.
1466 (sse3_pmaddubsw: Likewise.
1467 (ssse3_palignrti): Likewise.
1468 (ssse3_palignrdi): Likewise.
1470 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1472 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1474 2009-04-06 Richard Guenther <rguenther@suse.de>
1476 PR tree-optimization/28868
1477 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1478 of which PHI results we inserted.
1479 (insert_into_preds_of_block): Record inserted PHIs.
1480 (eliminate): Eliminate redundant PHI nodes.
1481 (init_pre): Init inserted_phi_names.
1483 2009-04-06 Richard Guenther <rguenther@suse.de>
1485 PR tree-optimization/39643
1486 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1487 IMAGPART_EXPRs of complex constants.
1488 (execute_fold_all_builtins): If we folded a call queue
1489 TODO_update_address_taken.
1491 2009-04-06 Jan Hubicka <jh@suse.cz>
1494 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1497 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1499 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1501 (ic_invalidate_array): Likewise.
1503 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1505 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1506 alignment for library calls.
1508 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1510 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1511 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1512 * config/i386/mingw-stdint.h: New file.
1514 2009-04-05 Richard Guenther <rguenther@suse.de>
1516 PR tree-optimization/39648
1517 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1518 our &A vs. &A[0] IL deficiencies.
1520 2009-04-04 Jan Hubicka <jh@suse.cz>
1522 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1523 removed toplevel regions.
1524 (sjlj_mark_call_sites): Likewise.
1526 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1528 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1529 (cygwin tm clause use_gcc_stdint): Set to wrap.
1530 * config/i386/cygwin-stdint.h: New file.
1532 2009-04-04 Richard Guenther <rguenther@suse.de>
1534 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1535 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1536 single-argument PHIs if we are in loop-closed SSA form.
1537 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1538 for the pre-condition.
1539 (slpeel_tree_peel_loop_to_edge): Likewise.
1540 (vect_build_loop_niters): Take an optional sequence to append stmts.
1541 (vect_generate_tmps_on_preheader): Likewise.
1542 (vect_do_peeling_for_loop_bound): Take extra guards for the
1544 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1545 the cost model check.
1546 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1547 guards if we are going to peel. Do not apply versioning in that case.
1548 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1549 (vect_do_peeling_for_loop_bound): Likewise.
1550 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1551 loop bound only record extra pre-conditions, do not apply loop
1554 2009-04-04 Richard Guenther <rguenther@suse.de>
1556 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1559 2009-04-04 Jan Hubicka <jh@suse.cz>
1561 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1562 last_basic_block for size of bb->index indexed array.
1563 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1564 compute_out, link_btr_uses, build_btr_def_use_webs,
1565 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1567 2009-04-04 Jan Hubicka <jh@suse.cz>
1569 * except.c (remove_eh_handler_and_replace): Break out from ...
1570 (remove_eh_handler): ... here.
1571 (bring_to_root): New function.
1572 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1573 handled ones, bring others to root of tree.
1575 2009-04-04 Jan Hubicka <jh@suse.cz>
1577 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1578 (all_phis_safe_to_merge): New function.
1579 (update_info): New structure.
1580 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1581 (cleanup_empty_eh): Update SSA if possible.
1583 2009-04-04 Richard Guenther <rguenther@suse.de>
1585 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1586 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1587 (append_vuse): Likewise.
1589 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1591 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1592 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1593 instead of REG_UNSAVED for DW_CFA_undefined.
1594 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1595 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1598 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1601 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1602 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1603 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1605 2009-04-04 Richard Guenther <rguenther@suse.de>
1607 PR tree-optimization/8781
1608 PR tree-optimization/37892
1609 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1610 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1611 (valueize_refs): Call it for *& valueizations.
1612 (shared_reference_ops_from_ref): Rename to ...
1613 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1614 (shared_reference_ops_from_call): Rename to ...
1615 (valueize_shared_reference_ops_from_call): ... this and valueize.
1616 (vn_reference_lookup): Update.
1617 (visit_reference_op_call): Likewise.
1618 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1619 (eliminate): Value-replace the call address in call statements.
1621 2009-04-04 Richard Guenther <rguenther@suse.de>
1623 PR tree-optimization/39636
1624 * tree-ssa-forwprop.c
1625 (forward_propagate_addr_into_variable_array_index): Check for
1626 GIMPLE_ASSIGN before accessing the rhs code.
1628 2009-04-03 Jason Merrill <jason@redhat.com>
1630 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1632 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1634 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1635 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1636 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1637 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1638 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1639 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1640 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1641 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1642 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1643 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1644 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1645 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1646 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1647 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1648 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1649 Use fr_reg_or_fp01_operand instead of fr_register_operand
1651 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1652 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1653 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1655 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1657 PR rtl-optimization/39607
1658 PR rtl-optimization/39631
1662 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1663 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1664 instead of DF_LR_OUT.
1665 * ira-lives.c (process_bb_node_lives): Ditto.
1666 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1667 instead of DF_LR_{OUT,IN}.
1668 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1669 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1671 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1673 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1674 (execute_lower_omp): Always run but take the short way out if -fopenmp
1676 (gate_lower_omp): Remove, forcing the pass manager to always run the
1677 pass and always set PROP_gimple_lomp.
1678 (pass_lower_omp): Remove gate function.
1679 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1680 PROP_trees. Instead, require it.
1681 * ipa-cp.c (pass_ipa_cp): Likewise.
1682 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1683 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1684 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1685 and PROP_gimple_leh.
1687 2009-04-03 Richard Guenther <rguenther@suse.de>
1690 PR tree-optimization/23940
1691 PR tree-optimization/33237
1694 PR tree-optimization/36201
1695 PR tree-optimization/36230
1696 PR tree-optimization/38049
1697 PR tree-optimization/38207
1698 PR tree-optimization/38230
1699 PR tree-optimization/38301
1700 PR tree-optimization/38585
1702 PR tree-optimization/38985
1703 PR tree-optimization/39299
1704 * tree-ssa-structalias.h: Remove.
1705 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1706 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1707 (struct vuse_element_d): Remove.
1708 (struct vuse_vec_d): Likewise.
1709 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1710 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1711 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1712 VUSE_ELEMENT_VAR): Likewise.
1713 (struct voptype_d): Likewise.
1714 (NUM_VOP_FREE_BUCKETS): Likewise.
1715 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1716 (struct stmt_operands_d): Remove.
1717 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1718 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1719 VDEF_NUM, VDEF_VECT): Likewise.
1720 (copy_virtual_operands): Remove.
1721 (operand_build_cmp): Likewise.
1722 (create_ssa_artificial_load_stmt): Likewise.
1723 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1724 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1725 vuse_index and mayuse_index members. Pack and move done and iter_type
1726 members to the front.
1727 (SSA_OP_VMAYUSE): Remove.
1728 (SSA_OP_VIRTUAL_USES): Adjust.
1729 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1730 (unlink_stmt_vdef): Declare.
1731 (add_to_addressable_set): Remove.
1732 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1733 (vrp_visit_stmt): Likewise.
1734 * doc/tree-ssa.texi (Alias analysis): Update.
1735 * doc/invoke.texi (max-aliased-vops): Remove docs.
1736 (avg-aliased-vops): Likewise.
1737 * tree-into-ssa.c (syms_to_rename): Remove.
1738 (need_to_update_vops_p): Likewise.
1739 (need_to_initialize_update_ssa_p): Rename to ...
1740 (update_ssa_initialized_fn): ... this. Track function we are
1742 (symbol_marked_for_renaming): Simplify.
1743 (add_new_name_mapping): Do not set need_to_update_vops_p.
1744 (dump_currdefs): Use SYMS_TO_RENAME.
1745 (rewrite_update_stmt): Always walk all uses/defs.
1746 (dump_update_ssa): Adjust.
1747 (init_update_ssa): Take function argument. Track what we are
1749 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1750 (create_new_def_for): Initialize for cfun, assert we are initialized
1752 (mark_sym_for_renaming): Simplify.
1753 (mark_set_for_renaming): Do not initialize update-ssa.
1754 (need_ssa_update_p): Simplify. Take function argument.
1755 (name_mappings_registered_p): Assert we ask for the correct function.
1756 (name_registered_for_update_p): Likewise.
1757 (ssa_names_to_replace): Likewise.
1758 (release_ssa_name_after_update_ssa): Likewise.
1759 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1760 (dump_decl_set): Do not print a newline.
1761 (debug_decl_set): Do it here.
1762 (dump_update_ssa): And here.
1763 * tree-ssa-loop-im.c (move_computations): Adjust.
1764 (movement_possibility): Likewise.
1765 (determine_max_movement): Likewise.
1766 (gather_mem_refs_stmt): Likewise.
1767 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1769 * tree-complex.c (update_all_vops): Remove.
1770 (expand_complex_move): Adjust.
1771 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1772 Simplify test for memory referencing statement. Exclude
1773 non-invariant ADDR_EXPRs.
1774 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1775 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1776 (rdg_flag_uses): Likewise.
1777 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1779 (tree_optimize_tail_calls_1): Also split the
1780 edge from the entry block if we have degenerate PHI nodes in
1781 the first basic block.
1782 * tree.c (init_ttree): Remove memory-tag related code.
1783 (tree_code_size): Likewise.
1784 (tree_node_structure): Likewise.
1785 (build7_stat): Re-write to be build6_stat.
1786 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1787 (SSA_VAR_P): Adjust.
1788 (struct tree_memory_tag): Remove.
1789 (struct tree_memory_partition_tag): Likewise.
1790 (union tree_node): Adjust.
1791 (build7): Re-write to be build6.
1792 * tree-pass.h (pass_reset_cc_flags): Remove.
1793 (TODO_update_address_taken): New flag.
1794 (pass_simple_dse): Remove.
1795 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1796 * params.h (MAX_ALIASED_VOPS): Remove.
1797 (AVG_ALIASED_VOPS): Likewise.
1798 * omp-low.c (expand_omp_taskreg): Update SSA form.
1799 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1800 aliases the lhs in a copy stmt.
1801 * tree-ssa-dse.c (struct address_walk_data): Remove.
1802 (memory_ssa_name_same): Likewise.
1803 (memory_address_same): Likewise.
1804 (get_kill_of_stmt_lhs): Likewise.
1805 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1806 unused stores. Look through PHI nodes into post-dominated regions.
1807 (dse_optimize_stmt): Simplify. Properly remove stores.
1808 (tree_ssa_dse): Compute dominators.
1809 (execute_simple_dse): Remove.
1810 (pass_simple_dse): Likewise.
1811 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1812 gimple_loaded_syms and gimple_stored_syms computation.
1813 * toplev.c (dump_memory_report): Dump alias and pta stats.
1814 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1815 (vn_reference_eq): Likewise.
1816 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1817 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1818 valueize_vuses): Remove.
1819 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1820 (get_def_ref_stmt_vuse): ... this.
1821 (vn_reference_lookup_2): New function.
1822 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1823 walking equivalent vuses. Simplify.
1824 (vn_reference_lookup): Likewise.
1825 (vn_reference_insert): Likewise.
1826 (vn_reference_insert_pieces): Likewise.
1827 (visit_reference_op_call): Simplify.
1828 (visit_reference_op_load): Likewise.
1829 (visit_reference_op_store): Likewise.
1830 (init_scc_vn): Remove shared_lookup_vuses initialization.
1831 (free_scc_vn): Remove shared_lookup_vuses freeing.
1832 (sort_vuses, sort_vuses_heap): Remove.
1833 (get_ref_from_reference_ops): Export.
1834 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1835 vector with single vuse pointer.
1836 (vn_reference_lookup_pieces, vn_reference_lookup,
1837 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1838 (shared_vuses_from_stmt): Remove.
1839 (get_ref_from_reference_ops): Declare.
1840 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1841 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1842 memory-tag related code.
1843 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1844 (likely_value): Add comment, skip static-chain of call statements.
1845 (surely_varying_stmt_p): Adjust.
1846 (gimplify_and_update_call_from_tree): Likewise.
1847 (execute_fold_all_builtins): Do not rebuild alias info.
1848 (gimplify_and_update_call_from_tree): Properly update VOPs.
1849 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1850 (copy_ref_info): Remove memory-tag related code.
1851 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1852 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1853 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1855 * tree-ssa-dom.c (gimple_p): Remove typedef.
1856 (eliminate_redundant_computations): Adjust.
1857 (record_equivalences_from_stmt): Likewise.
1858 (avail_expr_hash): Likewise.
1859 (avail_expr_eq): Likewise.
1860 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1861 (stmt_makes_single_load): Likewise.
1862 (stmt_makes_single_store): Likewise.
1863 * tree-ssa-alias.c: Rewrite completely.
1864 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1865 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1866 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1867 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1868 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1869 Remove public functions.
1870 (pass_reset_cc_flags): Remove.
1871 (pass_build_alias): Move ...
1872 * tree-ssa-structalias.c (pass_build_alias): ... here.
1873 * tree-ssa-alias.c (may_be_aliased): Move ...
1874 * tree-flow-inline.h (may_be_aliased): ... here.
1875 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1876 count_uses_and_derefs): Move ...
1877 * gimple.c: ... here.
1878 * gimple.h (count_uses_and_derefs): Declare.
1879 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1880 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1881 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1882 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1883 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1884 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1885 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1887 * tree-dfa.c (refs_may_alias_p): Move ...
1888 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1889 * tree-ssa-alias.h: New file.
1890 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1891 (statement_sink_location): Likewise.
1892 * opts.c (decode_options): Do not adjust max-aliased-vops or
1893 avg-aliased-vops values.
1894 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1895 (TV_CALL_CLOBBER): Likewise.
1896 (TV_FLOW_SENSITIVE): Likewise.
1897 (TV_FLOW_INSENSITIVE): Likewise.
1898 (TV_MEMORY_PARTITIONING): Likewise.
1899 (TV_ALIAS_STMT_WALK): New timevar.
1900 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1901 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1902 (get_address_description): Remove memory-tag related code.
1903 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1904 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1905 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1906 and immediate uses in statements. Document.
1907 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1908 (dump_symbols): Remove.
1909 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1910 * alias.c (get_deref_alias_set): New function split out from ...
1911 (get_alias_set): ... here.
1912 * alias.h (get_deref_alias_set): Declare.
1913 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1914 type parameter. Remove restrict pointer handling. Create a
1915 ref-all pointer in case type-based alias sets do not conflict.
1916 (vect_analyze_data_refs): Remove SMT related code.
1917 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1918 (vectorizable_load): Likewise.
1919 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1920 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1921 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1922 Ignore vops and SMTs.
1923 (dr_analyze_alias): Likewise..
1924 (free_data_ref): Likewise.
1925 (create_data_ref): Likewise.
1926 (analyze_all_data_dependences): Likewise.
1927 (get_references_in_stmt): Adjust.
1928 * tree-flow-inline.h (gimple_aliases_computed_p,
1929 gimple_addressable_vars, gimple_call_clobbered_vars,
1930 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1931 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1932 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1933 gimple_mem_ref_stats): Remove.
1934 (gimple_vop): New function.
1935 (op_iter_next_use): Remove vuses and mayuses cases.
1936 (op_iter_next_def): Remove vdefs case.
1937 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1938 (clear_and_done_ssa_iter): Do not set removed fields.
1939 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1940 Assert we are not iterating over vuses or vdefs if not also
1941 iterating over uses or defs.
1942 (op_iter_init_use): Likewise.
1943 (op_iter_init_def): Likewise.
1944 (op_iter_next_vdef): Remove.
1945 (op_iter_next_mustdef): Likewise.
1946 (op_iter_init_vdef): Likewise.
1947 (compare_ssa_operands_equal): Likewise.
1948 (link_use_stmts_after): Handle vuse operand.
1949 (is_call_used): Use is_call_clobbered.
1950 (is_call_clobbered): Global variables are always call clobbered,
1951 query the call-clobbers bitmap.
1952 (mark_call_clobbered): Ignore global variables.
1953 (clear_call_clobbered): Likewise.
1954 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1955 virtual operands sanity check.
1956 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1958 (TARGET_MEM_REF): Remove TMR_TAG operand.
1959 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1960 Remove call-clobber related code.
1961 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1962 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1963 partitions or escape reason.
1964 (get_single_def_stmt, get_single_def_stmt_from_phi,
1965 get_single_def_stmt_with_phi): Remove.
1966 (dump_referenced_vars): Tidy.
1967 (get_ref_base_and_extent): Allow bare decls.
1968 (collect_dfa_stats): Adjust.
1969 * graphite.c (rename_variables_in_stmt): Adjust.
1970 (graphite_copy_stmts_from_block): Likewise.
1971 (translate_clast): Likewise.
1972 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1974 (translate_vuse_through_block): Use the oracle.
1975 (phi_translate_1): Adjust.
1976 (value_dies_in_block_x): Use the oracle. Cache the outcome
1978 (valid_in_sets): Check if the VUSE for
1979 a REFERENCE is available.
1980 (eliminate): Do not remove stmts during elimination,
1981 instead queue and remove them afterwards.
1982 (do_pre): Do not rebuild alias info.
1983 (pass_pre): Run TODO_rebuild_alias before PRE.
1984 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1985 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1986 (mark_all_v_defs_stmt): Remove.
1987 (mark_all_v_defs_seq): Adjust.
1988 (sra_replace): Likewise.
1989 (scalarize_use): Likewise.
1990 (scalarize_copy): Likewise.
1991 (scalarize_init): Likewise.
1992 (scalarize_ldst): Likewise.
1993 (todoflags): Remove.
1994 (tree_sra): Do not rebuild alias info.
1995 (tree_sra_early): Adjust.
1996 (pass_sra): Run TODO_update_address_taken before SRA.
1997 * tree-predcom.c (set_alias_info): Remove.
1998 (prepare_initializers_chain): Do not call it.
1999 (mark_virtual_ops_for_renaming): Adjust.
2000 (mark_virtual_ops_for_renaming_list): Remove.
2001 (initialize_root_vars): Adjust.
2002 (initialize_root_vars_lm): Likewise.
2003 (prepare_initializers_chain): Likewise.
2004 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2005 (may_propagate_copy_into_stmt): Likewise.
2006 (merge_alias_info): Do nothing for now.
2007 (propagate_tree_value_into_stmt): Adjust.
2008 (stmt_may_generate_copy): Likewise.
2009 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2010 not mark symbols for renaming.
2011 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2012 with the same statement, make sure to update the new pointed-to one.
2013 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2014 call statements, do not mark symbols for renaming.
2015 (mark_operand_necessary): Dump something.
2016 (ref_may_be_aliased): New function.
2017 (mark_aliased_reaching_defs_necessary_1): New helper function.
2018 (mark_aliased_reaching_defs_necessary): Likewise.
2019 (mark_all_reaching_defs_necessary_1): Likewise.
2020 (mark_all_reaching_defs_necessary): Likewise.
2021 (propagate_necessity): Do not process virtual PHIs. For
2022 non-aliased loads mark all reaching definitions as necessary.
2023 For aliased loads and stores mark the immediate dominating
2024 aliased clobbers as necessary.
2025 (visited): New global static.
2026 (perform_tree_ssa_dce): Free visited bitmap after propagating
2028 (remove_dead_phis): Perform simple dead virtual PHI removal.
2029 (remove_dead_stmt): Properly unlink virtual operands when
2031 (eliminate_unnecessary_stmts): Schedule PHI removal after
2033 * tree-ssa-ter.c (is_replaceable_p): Adjust.
2034 (process_replaceable): Likewise.
2035 (find_replaceable_in_bb): Likewise.
2036 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2037 based on the single gimple vop.
2038 (verify_flow_insensitive_alias_info): Remove.
2039 (verify_flow_sensitive_alias_info): Likewise.
2040 (verify_call_clobbering): Likewise.
2041 (verify_memory_partitions): Likewise.
2042 (verify_alias_info): Likewise.
2043 (verify_ssa): Adjust..
2044 (execute_update_addresses_taken): Export. Update SSA
2045 manually. Optimize only when optimizing. Use a local bitmap.
2046 (pass_update_address_taken): Remove TODO_update_ssa, add
2048 (pass_update_address_taken): Just use TODO_update_address_taken.
2049 (init_tree_ssa): Do not initialize addressable_vars.
2050 (verify_ssa): Verify new VUSE / VDEF properties.
2051 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2052 Do not call verify_alias_info.
2053 (delete_tree_ssa): Clear the VUSE, VDEF operands.
2054 Do not free the loaded and stored syms bitmaps. Reset the escaped
2055 and callused solutions. Do not free addressable_vars.
2056 Remove memory-tag related code.
2057 (warn_uninitialized_var): Aliases are always available.
2058 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2059 * lambda-code.c (can_put_in_inner_loop): Adjust.
2060 (can_put_after_inner_loop): Likewise.
2061 (perfect_nestify): Likewise.
2062 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2063 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2064 (vectorizable_conversion): Do not mark symbols for renaming.
2065 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2066 (expand_call_inline): Unlink the calls virtual operands before
2068 (tree_function_versioning): Do not call update_ssa if we are not
2069 updating clones. Simplify.
2070 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2071 (propagate_with_phi): Likewise..
2072 * tree-outof-ssa.c (create_temp): Remove memory tag and call
2073 clobber code. Assert we are not aliased or global.
2074 * tree-flow.h: Include tree-ssa-alias.h
2075 (enum escape_type): Remove.
2076 (struct mem_sym_stats_d): Likewise.
2077 (struct mem_ref_stats_d): Likewise.
2078 (struct gimple_df): Add vop member. Remove global_var,
2079 call_clobbered_vars, call_used_vars, addressable_vars,
2080 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
2081 escaped and callused members.
2082 (struct ptr_info_def): Remove all members, add points-to solution
2084 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2085 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2086 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2087 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2088 (tree-ssa-alias.o): Likewise.
2089 (toplev.o): Add tree-ssa-alias.h
2090 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2091 * gimple.c (gimple_set_bb): Fix off-by-one error.
2092 (is_gimple_reg): Do not handle memory tags.
2093 (gimple_copy): Also copy virtual operands.
2094 Delay updating the statement. Do not reset loaded and stored syms.
2095 (gimple_set_stored_syms): Remove.
2096 (gimple_set_loaded_syms): Likewise.
2097 (gimple_call_copy_skip_args): Copy the virtual operands
2098 and mark the new statement modified.
2099 * tree-ssa-structalias.c (may_alias_p): Remove.
2100 (set_uids_in_ptset): Take the alias set to prune with as
2101 parameter. Fold in the alias test of may_alias_p.
2102 (compute_points_to_sets): Compute whether a ptr is dereferenced
2104 (process_constraint): Deal with &ANYTHING on the lhs, reject all
2105 other ADDRESSOF constraints on the lhs.
2106 (get_constraint_for_component_ref): Assert that we don't get
2107 ADDRESSOF constraints from the base of the reference.
2108 Properly generate UNKNOWN_OFFSET for DEREF if needed.
2109 (struct variable_info): Remove collapsed_to member.
2110 (get_varinfo_fc): Remove.
2111 (new_var_info): Do not set collapsed_to.
2112 (dump_constraint): Do not follow cycles.
2113 (dump_constraint_graph): Likewise.
2114 (build_pred_graph): Likewise.
2115 (build_succ_graph): Likewise.
2116 (rewrite_constraints): Likewise.
2117 (do_simple_structure_copy): Remove.
2118 (do_rhs_deref_structure_copy): Remove.
2119 (do_lhs_deref_structure_copy): Remove.
2120 (collapse_rest_of_var): Remove.
2121 (do_structure_copy): Re-implement.
2122 (pta_stats): New global variable.
2123 (dump_pta_stats): New function.
2124 (struct constraint_expr): Make offset signed.
2125 (UNKNOWN_OFFSET): Define special value.
2126 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2127 (solution_set_expand): New helper function split out from ...
2128 (do_sd_constraint): ... here.
2129 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
2130 (do_ds_constraint): Likewise.
2131 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
2132 and CALLUSED = *CALLUSED.
2133 (set_union_with_increment): Make inc argument signed.
2134 (type_safe): Remove.
2135 (get_constraint_for_ptr_offset): Handle unknown and negative
2137 (first_vi_for_offset): Handle offsets before start. Bail
2138 out early for offsets beyond the variable extent.
2139 (first_or_preceding_vi_for_offset): New function.
2140 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2141 Together with ESCAPED = *ESCAPED this properly computes reachability.
2142 (find_what_var_points_to): New function.
2143 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2144 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2145 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2146 pt_solutions_intersect): New functions.
2147 (compute_call_used_vars): Remove.
2148 (compute_may_aliases): New main entry into PTA computation.
2149 * gimple.h (gimple_p): New typedef.
2150 (struct gimple_statement_base): Remove references_memory_p.
2151 (struct gimple_statement_with_memory_ops_base): Remove
2152 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
2154 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2155 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2156 gimple_set_references_memory): Remove.
2157 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2158 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2160 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2161 (verify_expr): Allow RESULT_DECL.
2162 (gimple_duplicate_bb): Do not copy virtual operands.
2163 (gimple_duplicate_sese_region): Adjust.
2164 (gimple_duplicate_sese_tail): Likewise.
2165 (mark_virtual_ops_in_region): Remove.
2166 (move_sese_region_to_fn): Do not call it.
2167 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2168 and pass_simple_dse.
2169 (execute_function_todo): Handle TODO_update_address_taken,
2170 call execute_update_addresses_taken for TODO_rebuild_alias.
2171 (execute_todo): Adjust.
2172 (execute_one_pass): Init dump files early.
2173 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2175 (create_general_new_stmt): Clear vops.
2176 * tree-ssa-reassoc.c (get_rank): Adjust.
2177 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2178 symbols for renaming.
2179 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2180 (PARAM_AVG_ALIASED_VOPS): Likewise.
2181 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2182 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2183 * tree-ssa-operands.c: Simplify for new virtual operand representation.
2184 (operand_build_cmp, copy_virtual_operands,
2185 create_ssa_artificial_load_stmt, add_to_addressable_set,
2186 gimple_add_to_addresses_taken): Remove public functions.
2187 (unlink_stmt_vdef): New function.
2189 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2191 * config.gcc (powerpc-*-linux*): Merge variants.
2193 2009-04-02 Chao-ying Fu <fu@mips.com>
2194 James Grosbach <james.grosbach@microchip.com>
2196 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2197 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2199 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2200 keep_interrupts_masked_p, use_debug_exception_return_p.
2201 (mips_attribute_table): Add interrupt, use_shadow_register_set,
2202 keep_interrupts_masked, use_debug_exception_return.
2203 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2204 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2206 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2207 (mips_print_operand): Process COP0 registers to print $0 .. $31
2208 correctly for GAS to process.
2209 (mips_interrupt_extra_call_saved_reg_p): New function.
2210 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2212 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2213 (mips_compute_frame_info): Add supports for interrupt context that
2214 includes doubleword accumulators and COP0 registers.
2215 (mips_for_each_saved_acc): New function.
2216 (mips_for_each_saved_gpr_and_fpr): Change the function name from
2217 mips_for_each_saved_reg.
2218 (mips_save_reg): Save accumulators.
2219 (mips_kernel_reg_p): A new for_each_rtx callback.
2220 (mips_expand_prologue): Support interrupt handlers.
2221 (mips_restore_reg): Restore accumulators.
2222 (mips_expand_epilogue): Support interrupt handlers.
2223 (mips_can_use_return_insn): Return false for interrupt handlers.
2224 (mips_epilogue_uses): New function.
2225 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2226 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2227 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2228 cop0_move): New instructions.
2229 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2230 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2232 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2234 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2235 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2236 interrupt handlers, we use K0 as the temporary register.
2237 (EPILOGUE_USES): Change to a function call.
2238 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2239 handlers, we use K0 as the temporary register.
2241 * doc/extend.texi (Function Attributes): Document interrupt,
2242 use_shadow_register_set, keep_interrupts_masked,
2243 use_debug_exception_return for MIPS attributes.
2245 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2247 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2248 Remove a number of t-files from tmake_file.
2249 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2250 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2251 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2252 target_prototype, not TARGET_PROTOTYPE.
2253 (LINK_OS_GNU_SPEC): Define.
2254 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2255 and darwin-ldoubdle.c.
2257 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
2260 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2261 (cpp_options): Ditto.
2262 (default_compilers): Ditto.
2263 (display_help): Ditto.
2264 (process_command): Ditto.
2266 (set_input): Use lbasename instead of duplicate code.
2267 (save_temps_prefix): New static for -save-temps=obj.
2268 (save_temps_length): Ditto.
2270 * doc/invoke.texi (-save-temps=obj): Document new variant to
2273 2009-04-02 Jeff Law <law@redhat.com>
2275 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2278 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2280 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2281 * configure: Regenerated.
2283 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2285 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2286 share the argument list.
2288 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2292 2009-02-12 Diego Novillo <dnovillo@google.com>
2294 * varpool.c (debug_varpool): New.
2295 * cgraph.h (debug_varpool): Declare.
2297 2009-04-02 Jan Hubicka <jh@suse.cz>
2299 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2302 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2304 * config/i386/i386.c (ix86_abi): Move initialization to ...
2305 (override_options): Here.
2307 2009-04-02 Christian Bruel <christian.bruel@st.com>
2309 * config/sh/sh.c (sh_dwarf_register_span): New function.
2310 (TARGET_DWARF_REGISTER_SPAN): Define.
2311 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2313 2009-04-02 Ira Rosen <irar@il.ibm.com>
2315 PR tree-optimization/39595
2316 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
2317 interleaved loads group is not greater than the SLP group size.
2319 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2321 * builtins.c (is_builtin_name): New.
2322 (called_as_built_in): Use is_builtin_name.
2323 * tree.h (is_builtin_name): New.
2324 * varasm.c (incorporeal_function_p): Use is_builtin_name
2326 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
2328 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2330 2009-04-02 Dodji Seketeli <dodji@redhat.com>
2333 * c-decl.c (clone_underlying_type): Move this ...
2334 * c-common.c (set_underlying_type): ... here.
2335 Also, make sure the function properly sets TYPE_STUB_DECL() on
2336 the newly created typedef variant type.
2337 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2338 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2341 2009-04-02 Richard Guenther <rguenther@suse.de>
2343 PR tree-optimization/37221
2344 * tree-flow.h (degenerate_phi_result): Declare.
2345 * tree-ssa-dom.c (degenerate_phi_result): Export.
2346 * tree-scalar-evolution.c (analyze_initial_condition): If
2347 the initial condition is defined by a degenerate PHI node
2348 use the degenerate value.
2350 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
2352 PR rtl-optimization/39588
2353 * combine.c (merge_outer_ops): Do not set the constant when this
2355 (simplify_shift_const_1): Do not modify it either in this case.
2357 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
2359 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2360 tuning is deprecated if -mtune value is set to an Itanium1 variant.
2362 2009-04-01 Janis Johnson <janis187@us.ibm.com>
2365 * c-lex.c (interpret_float): Default (no suffix) is double.
2367 2009-04-1 Xinliang David Li <davidxl@google.com>
2369 * config/i386/i386.c (legitimate_constant_p): Recognize
2370 all one vector constant.
2372 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2374 * gcc/config/vax/vax.c: Add #includes to silence warnings.
2375 Change #include order to silence two warnings.
2377 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2379 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2380 (ASM_SPEC): Pass -k to the assembler for PIC code.
2382 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2384 * gcc/config.gcc: Add vax-*-linux* to the switch.
2385 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2386 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2388 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2390 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2391 Use predicate macros instead of GET_CODE() == foo.
2392 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2393 ashlsi3, rotrsi3, <unnamed>): Likewise.
2395 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2397 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2398 jbbccihi, jbbccisi): Remova trailing whitespace.
2399 * gcc/config/vax/constraints.md: Likewise.
2400 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2401 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2402 * gcc/config/vax/predicates.md: Likewise.
2403 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2404 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2405 * gcc/config/vax/vax.h: Likewise.
2406 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2408 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2410 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2411 (indirectable_address_p, adjacent_operands_p): Add spaces around
2413 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2415 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2417 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2418 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2419 index_term_p, reg_plus_index_p, legitimate_address_p,
2420 vax_mode_dependent_address_p): Update comments to match functions
2421 modified by the recent int->bool conversion.
2423 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2425 * gcc/config/vax/builtins.md: Update copyright message.
2426 * gcc/config/vax/constraints.md: Likewise.
2427 * gcc/config/vax/netbsd-elf.h: Likewise.
2428 * gcc/config/vax/predicates.md: Likewise.
2429 * gcc/config/vax/vax-protos.h: Likewise.
2430 * gcc/config/vax/vax.c: Likewise.
2431 * gcc/config/vax/vax.h: Likewise.
2432 * gcc/config/vax/vax.md: Likewise.
2433 * gcc/config/vax/vax.opt: Likewise.
2435 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2437 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2438 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2439 * gcc/config/vax/constraints.md (B, R): Likewise.
2440 * gcc/config/vax/predicates.md (external_memory_operand,
2441 nonimmediate_addsub_di_operand): Likewise.
2442 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2443 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2444 untyped_call): Likewise.
2446 2009-04-01 Matt Thomas <matt@3am-software.com>
2448 * config/vax/predicates.md: New file.
2449 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2450 external_const_operand, nonsymbolic_operand, external_memory_operand,
2451 indirect_memory_operand, indexed_memory_operand,
2452 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2453 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2455 * config/vax/constraints.md: New file.
2456 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2458 * config/vax/builtins.md: New file.
2459 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2460 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2462 * config/vax/vax.opt (mqmath): Add option.
2463 * config/vax/vax.md (isfx): Extend with DI.
2464 (VAXintQH, VAXintQHSD): Define.
2465 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2466 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2467 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2468 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2469 (movdi): Update constraints and use vax_output_int_move().
2470 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2471 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2472 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2473 nonlocal_goto): New.
2474 (mov<mode>): Extend accepted operand types.
2475 (subdi3_old): Rename from subdi3, change update constraints and use
2476 a new implementation.
2477 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2478 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2479 MOVE_RATIO, CLEAR_RATIO): Define.
2480 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2481 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2482 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2483 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2484 (split_quadword_operands): Make static and really allow variable
2486 (print_operand_address): Update for PIC generation.
2487 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2488 indexable_address_p, fixup_mathdi_operand,
2489 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2490 (vax_float_literal, legitimate_constant_p,
2491 indirectable_constant_address_p, index_term_p,
2492 reg_plus_index_p): Return bool instead of int.
2493 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2495 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2497 (vax_output_conditional_branch): Indent.
2498 (legitimate_constant_address_p, indirectable_constant_address_p,
2499 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2500 vax_mode_dependent_address_p): Return bool instead of int, update for
2502 * config/vax/vax-protos.h (legitimate_constant_address_p,
2503 legitimate_constant_p, legitimate_address_p,
2504 vax_mode_dependent_address_p): Change declaration to bool.
2505 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2506 vax_expand_addsub_di_operands, vax_output_int_subtract,
2507 vax_output_movmemsi): Declare.
2508 (split_quadword_operands, vax_float_literal): Delete declaration.
2509 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2510 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2511 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2512 ASM_OUTPUT_DWARF_PCREL): Define.
2513 (ASM_SPEC): Change definition to allow PIC generation.
2515 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2517 * doc/sourcebuild.texi: Update front-end requirements.
2519 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2522 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2523 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2524 (booldi3_internal3): Use boolean_or_operator instead of
2527 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2530 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2531 declarator whose size is not an integer constant expression but
2532 folds to an integer constant, then treat it as a constant
2535 2009-04-01 Richard Guenther <rguenther@suse.de>
2537 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2538 i * 4 + 2 to (i * 2 + 1) * 2.
2540 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2543 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2544 return if c_parser_asm_string_literal returned NULL.
2546 2009-04-01 Nick Clifton <nickc@redhat.com>
2548 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2550 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2551 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2552 other typedefs to avoid conflicts with libgcc2.c. Define labels
2553 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2555 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2556 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2559 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2561 * varasm.c (default_function_rodata_section): Declare DOT as
2564 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2565 Andrey Galkin <agalkin@hypercom.com>
2568 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2569 Make object_name unique for each process.
2571 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2574 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2575 addressable variables in the parallel that could go out of scope while
2576 running queued tasks.
2578 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2580 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2581 (CASE_VALUES_THRESHOLD): Redefine.
2582 * config/avr/avr.c (avr_override_options): Remove initialization of
2583 avr_case_values_threshold variable.
2584 (avr_case_values_threshold): Remove variable. Add new function.
2585 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2586 * config/avr/avr.opt (mno-tablejump): Remove option.
2587 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2589 2009-04-01 DJ Delorie <dj@redhat.com>
2591 * varasm.c (default_function_rodata_section): Don't assume
2592 anything about where the first '.' in the section name is.
2594 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2596 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2597 rs6000_emit_stack_tie.
2599 2009-03-31 Ian Lance Taylor <iant@google.com>
2601 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2602 gimple_code with GIMPLE_RESX, not RESX.
2604 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2606 * c-common.c (c_get_ident): New.
2607 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2609 2009-04-01 Ben Elliston <bje@au.ibm.com>
2611 * config/rs6000/sysv4.opt (msdata): Improve option description.
2613 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2615 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2616 (divdf3_internal_lat): Remove.
2617 (divxf3_internal_lat): Remove.
2618 (divxf3_internal_thr): Remove.
2619 (divxf): Use divxf3_internal.
2620 * config/ia64/div.md (divsf3_internal_lat): New.
2621 (divdf3_internal_lat): New.
2622 (divxf3_internal): New.
2624 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2627 * Makefile.in (USE_GCC_STDINT): Define.
2628 (stmp-int-hdrs): Install stdint.h if applicable.
2629 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2631 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2632 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2633 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2634 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2635 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2636 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2637 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2638 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2639 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2640 (c_common_nodes_and_builtins): Initialize
2641 underlying_wchar_type_node. Do not initialize
2642 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2643 nodes for new types.
2644 (c_stddef_cpp_builtins): Define macros for new types.
2645 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2647 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2648 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2649 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2650 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2651 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2652 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2653 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2654 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2655 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2656 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2657 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2658 int16_type_node, int32_type_node, int64_type_node,
2659 uint8_type_node, uint16_type_node, c_uint32_type_node,
2660 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2661 int_least32_type_node, int_least64_type_node,
2662 uint_least8_type_node, uint_least16_type_node,
2663 uint_least32_type_node, uint_least64_type_node,
2664 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2665 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2666 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2667 uintptr_type_node): Define.
2668 * c-cppbuiltin.c (builtin_define_constants,
2669 builtin_define_type_minmax): New.
2670 (builtin_define_stdint_macros): Define more macros.
2671 (c_cpp_builtins): Define more limit macros.
2673 (builtin_define_type_max): Define in terms of
2674 builtin_define_type_minmax. Remove is_long parameter. All
2676 * config.gcc (use_gcc_stdint): Define.
2677 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2678 Add newlib-stdint.h for generic targets.
2679 * config/glibc-stdint.h, config/newlib-stdint.h,
2680 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2681 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2682 * config/score/score.h (UINTPTR_TYPE): Define.
2683 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2684 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2685 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2686 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2687 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2688 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2689 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2690 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2691 * config/spu/spu.h (STDINT_LONG32): Define.
2692 * configure.ac (use_gcc_stdint): Substitute.
2693 * configure: Regenerate.
2694 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2695 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2696 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2697 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2698 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2699 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2700 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2701 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2702 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2703 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2704 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2705 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2706 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2707 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2708 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2709 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2710 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2711 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2712 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2713 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2714 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2715 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2716 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2717 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2718 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2719 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2720 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2721 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2722 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2724 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2726 * loop-iv.c (suitable_set_for_replacement): Renamed from
2727 simplify_using_assignment; changed to return bool and to accept new
2728 args DEST and SRC. Return true iff we find a source/destination pair
2729 that can be used to make a replacement, and fill SRC and DEST if so.
2730 Remove arg ALTERED. Don't deal with altered regs here. All callers
2732 (simplify_using_initial_values): Deal with altered regs here and track
2733 more precisely the effect they have on the validity of our expression.
2735 * loop-iv.c (simplify_using_condition): A condition of the form
2736 (EQ REG CONST) can be used to simply make a substitution.
2737 (simplify_using_initial_values): Keep track of conditions we have seen
2738 and keep using them to simplify new expressions, while applying the
2739 same substitutions to them as to the expression.
2741 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2742 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2745 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2746 changed. Use this when trying to improve the upper bound.
2747 Generate the comparison by using simplify_gen_relational.
2749 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2751 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2753 (simplify_using_assignment, simplify_using_initial_values): Call
2754 replace_in_expr to make replacements. Call replace_single_def_regs
2755 once on the initial version of the expression.
2757 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2760 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2762 2009-03-31 Richard Guenther <rguenther@suse.de>
2765 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2766 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2768 2009-03-31 Richard Guenther <rguenther@suse.de>
2770 * tree.h (div_if_zero_remainder): Declare.
2771 * fold-const.c (div_if_zero_remainder): Export.
2772 * tree-ssa-forwprop.c
2773 (forward_propagate_addr_into_variable_array_index): Handle
2774 constant array index addition outside of the variable index.
2776 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2779 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2780 define_splits, floatunssi<mode>2): Require x87 conversions from
2781 DImode to be permitted.
2783 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2785 PR preprocessor/15638
2786 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2788 2009-03-31 Richard Guenther <rguenther@suse.de>
2792 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2793 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2794 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2795 a separate statement.
2796 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2797 (lookup_tmp_var): Likewise.
2798 (is_gimple_formal_tmp_or_call_rhs): Remove.
2799 (is_gimple_reg_or_call_rhs): Rename to ...
2800 (is_gimple_reg_rhs_or_call): ... this.
2801 (is_gimple_mem_or_call_rhs): Rename to ...
2802 (is_gimple_mem_rhs_or_call): ... this.
2803 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2804 DECL_GIMPLE_REG_P only if is_formal is true.
2805 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2806 for non-proper post-modify expression gimplification.
2807 (gimplify_self_mod_expr): For post-modify expressions gimplify
2808 the lvalue to a minimal lvalue.
2809 (rhs_predicate_for): Remove formal temp case.
2810 (gimplify_modify_expr_rhs): Likewise.
2811 (gimplify_addr_expr): Use is_gimple_reg.
2812 (gimplify_expr): Remove formal temp cases.
2813 (gimple_regimplify_operands): Likewise.
2814 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2815 and FILTER_EXPR like constants.
2816 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2818 (is_gimple_formal_tmp_rhs): Remove.
2819 (is_gimple_reg_rhs): Remove special casing.
2820 (is_gimple_mem_rhs): Fix.
2821 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2822 (is_gimple_formal_tmp_var): Remove.
2823 (is_gimple_formal_tmp_reg): Likewise.
2824 (is_gimple_min_lval): Allow invariant component ref parts.
2825 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2826 is_gimple_formal_tmp_reg): Remove declarations.
2827 * tree-cfg.c (verify_expr): Verify that variables with address
2828 taken do not have DECL_GIMPLE_REG_P set.
2829 * tree-mudflap.c (mf_build_check_statement_for): Use
2830 force_gimple_operand instead of gimplify_expr.
2832 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2834 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2835 schedulable rows to compute_split_row.
2837 2009-03-31 Ben Elliston <bje@au.ibm.com>
2840 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2843 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2845 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2846 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2847 * configure: Regenerate.
2848 * config.in: Regenerate.
2849 * config/rs6000/rs6000.opt (mtls-markers): Add.
2850 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2851 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2852 (tls_ld_aix, tls_ld_sysv): Likewise.
2853 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2854 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2856 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2858 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2860 2009-03-30 Jan Hubicka <jh@suse.cz>
2862 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2864 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2865 detection and label handling.
2867 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2869 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2870 left_conflicts_size.
2871 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2872 ALLOCNO_LEFT_CONFLICTS_SIZE.
2874 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2875 remove_allocno_from_bucket_and_push,
2876 allocno_spill_priority_compare, push_allocnos_to_stack,
2877 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2878 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2879 (setup_allocno_left_conflicts_num): Ditto. Rename to
2880 setup_allocno_left_conflicts_size.
2881 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2882 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2883 setup_allocno_left_conflicts_size instead of
2884 setup_allocno_left_conflicts_num.
2886 * ira-build.c (ira_create_allocno): Use
2887 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2888 ALLOCNO_LEFT_CONFLICTS_NUM.
2890 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2892 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2893 instead of DF_LR_OUT.
2895 * ira-lives.c (process_bb_node_lives): Ditto.
2897 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2898 instead of DF_LR_{OUT,IN}.
2900 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2902 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2904 2009-03-30 Jan Hubicka <jh@suse.cz>
2906 * except.c (label_to_region_map): Fix thinko.
2908 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2911 * tree.h (tree_find_value): New declaration.
2912 * tree.c (tree_find_value): New function.
2913 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2915 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2918 * c-decl.c (struct c_binding): Add locus field.
2919 (bind): Add locus argument, set locus field from it.
2920 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2921 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2922 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2923 implicitly_declare, undeclared_variable, lookup_label,
2924 declare_label, c_make_fname_decl, c_builtin_function,
2925 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2928 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2931 * config/i386/i386.c (classify_argument): Check total size of
2934 2009-03-30 Martin Jambor <mjambor@suse.cz>
2936 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2937 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2938 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2941 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2942 seen_variable_array_ref while also traversing a union.
2944 * tree-inline.c (optimize_inline_calls): Do not call
2945 cgraph_node_remove_callees.
2946 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2947 (pass_remove_cgraph_callee_edges): New variable.
2948 * passes.c (init_optimization_passes): Add
2949 pass_remove_cgraph_callee_edges after early inlining and before all
2950 late intraprocedural passes.
2952 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2954 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2956 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2959 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2961 * combine.c (simplify_comparison): Use have_insn_for.
2962 * dojump.c (do_jump): Likewise.
2964 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2966 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2967 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2968 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2969 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2970 instead of sparc_compare_emitted.
2971 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2972 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2973 instead of sparc_compare_emitted.
2975 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2977 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2978 enter/exit cfglayout mode.
2979 (pass_partition_block): Require it.
2980 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2981 (combine_instructions): Track basic blocks instead of labels.
2982 (update_cfg_for_uncondjump): New.
2983 (try_combine): Use it. Update jumps after rescanning.
2984 (pass_combine): Require PROP_cfglayout.
2985 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2987 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2989 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2990 Provide/destroy PROP_cfglayout respectively.
2991 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2992 * tree-pass.h (PROP_cfglayout): New.
2994 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2996 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2997 fold_convert_const_fixed_from_fixed,
2998 fold_convert_const_fixed_from_int,
2999 fold_convert_const_fixed_from_real, fold_negate_const): Do not
3000 set TREE_CONSTANT_OVERFLOW.
3001 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3002 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3004 2009-03-30 Ira Rosen <irar@il.ibm.com>
3006 * tree-vect-loop-manip.c: New file.
3007 * tree-vectorizer.c: Update documentation and included files.
3008 (vect_loop_location): Make extern.
3009 (rename_use_op): Move to tree-vect-loop-manip.c
3010 (rename_variables_in_bb, rename_variables_in_loop,
3011 slpeel_update_phis_for_duplicate_loop,
3012 slpeel_update_phi_nodes_for_guard1,
3013 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3014 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3015 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3016 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
3017 find_loop_location): Likewise.
3018 (new_stmt_vec_info): Move to tree-vect-stmts.c.
3019 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3020 get_vectype_for_scalar_type, vect_is_simple_use,
3021 supportable_widening_operation, supportable_narrowing_operation):
3023 (bb_in_loop_p): Move to tree-vect-loop.c.
3024 (new_loop_vec_info, destroy_loop_vec_info,
3025 reduction_code_for_scalar_code, report_vect_op,
3026 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3027 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3028 (vect_supportable_dr_alignment): Likewise.
3029 * tree-vectorizer.h (tree-data-ref.h): Include.
3030 (vect_loop_location): Declare.
3031 Reorganize function declarations according to the new file structure.
3032 * tree-vect-loop.c: New file.
3033 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
3034 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3035 * tree-vect-data-refs.c: New file.
3036 * tree-vect-patterns.c (timevar.h): Don't include.
3037 * tree-vect-stmts.c: New file.
3038 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
3039 tree-vect-slp.c, tree-vect-loop.c.
3040 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
3041 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
3042 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3043 (tree-vect-analyze.o): Remove.
3044 (tree-vect-transform.o): Likewise.
3045 (tree-vect-data-refs.o): Add rule.
3046 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
3047 tree-vect-slp.o): Likewise.
3048 (tree-vect-patterns.o): Remove redundant dependencies.
3049 (tree-vectorizer.o): Likewise.
3050 * tree-vect-slp.c: New file.
3052 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3054 * optc-gen.awk: Warn if an option flag has multiple different
3057 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
3059 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3060 -floop-block): Document dependences on PPL, CLooG and Graphite.
3062 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3064 PR rtl-optimization/323
3065 * c-common.c (c_fully_fold, convert_and_check,
3066 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3067 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3068 * c-common.def (EXCESS_PRECISION_EXPR): New.
3069 * c-cppbuiltin.c (builtin_define_float_constants): Define
3070 constants with enough digits for long double.
3071 * c-lex.c (interpret_float): Interpret constant with excess
3072 precision where appropriate.
3073 * c-opts.c (c_common_post_options): Set
3074 flag_excess_precision_cmdline. Give an error for
3075 -fexcess-precision=standard for C++ for processors where the
3076 option is significant.
3077 * c-parser.c (c_parser_conditional_expression): Handle excess
3078 precision in condition.
3079 * c-typeck.c (convert_arguments): Handle arguments with excess
3081 (build_unary_op): Move excess precision outside operation.
3082 (build_conditional_expr): Likewise.
3083 (build_compound_expr): Likewise.
3084 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3085 (build_modify_expr): Handle excess precision in RHS.
3086 (convert_for_assignment): Handle excess precision in converted
3088 (digest_init, output_init_element, process_init_element): Handle
3089 excess precision in initializer.
3090 (c_finish_return): Handle excess precision in return value.
3091 (build_binary_op): Handle excess precision in operands and add
3092 excess precision as needed for operation.
3093 * common.opt (-fexcess-precision=): New option.
3094 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3095 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3096 For standard excess precision, output explicit conversion to and
3097 truncation from XFmode.
3098 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3099 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3100 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3101 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3102 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3103 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3104 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3105 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3106 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3107 define_splits, sqrt<mode>2): Disable where appropriate for
3108 standard excess precision.
3109 * convert.c (convert_to_real): Do not shorten arithmetic to type
3110 for which excess precision would be used.
3111 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3112 * doc/invoke.texi (-fexcess-precision=): Document option.
3113 (-mfpmath=): Correct index entry.
3114 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3115 flag_excess_precision): New.
3116 * langhooks.c (lhd_post_options): Set
3117 flag_excess_precision_cmdline.
3118 * opts.c (common_handle_option): Handle -fexcess-precision=.
3119 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3120 init_excess_precision): New.
3121 (lang_dependent_init_target): Call init_excess_precision.
3122 * tree.c (excess_precision_type): New.
3123 * tree.h (excess_precision_type): Declare.
3125 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3128 * c-typeck.c (build_component_ref): Do not copy qualifiers from
3129 non-lvalue to component.
3131 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3133 PR preprocessor/34695
3134 * Makefile.in (c-opts.o): Depend on c-tree.h.
3135 * c-common.c: Move down include of diagnostic.h.
3136 (done_lexing, c_cpp_error): New.
3137 * c-common.h (done_lexing): Declare.
3138 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3140 * c-opts.c: Include c-tree.h.
3141 (c_common_init_options): Set preprocessor error callback.
3142 (c_common_handle_option): Do not set preprocessor
3143 inhibit_warnings, warnings_are_errors, warn_system_headers,
3144 pedantic_errors or inhibit_warnings flags.
3145 (c_common_post_options): Do not check cpp_errors (parse_in).
3146 (c_common_finish): Do not output dependencies if there were
3147 errors. Do not check return value of cpp_finish.
3148 * c-ppoutput.c (pp_file_change): Set input_location.
3149 * c-tree.h (c_cpp_error): Declare.
3150 * diagnostic.c (diagnostic_set_info_translated): Also initialize
3152 (diagnostic_build_prefix): Check override_column.
3153 * diagnostic.h (diagnostic_info): Add override_column field.
3154 (diagnostic_override_column): Define.
3156 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
3158 * c-common.c (c_expand_expr, c_staticp): Remove.
3159 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3160 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3161 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3162 * c-gimplify.c (gimplify_compound_literal_expr,
3163 optimize_compound_literals_in_ctor): Remove.
3164 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3165 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3166 * c-semantics.c (emit_local_var): Remove.
3168 * langhooks-def.h (lhd_expand_expr): Remove.
3169 * langhooks.c (lhd_expand_expr): Remove.
3170 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3172 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3173 handling from c-semantics.c; don't call into langhook.
3174 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3175 * gimplify.c (gimplify_compound_literal_expr,
3176 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3177 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3178 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3179 as was done in c-gimplify.c.
3180 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3181 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3182 Move from c-common.h.
3183 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3185 * tree.c (staticp): Do not call langhook.
3186 * langhooks.c (lhd_staticp): Delete.
3187 * langhooks-def.h (lhd_staticp): Delete prototype.
3188 (LANG_HOOKS_STATICP): Delete.
3189 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3191 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3192 instead of DECL_STMTs.
3194 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3202 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3204 (fold_call_expr): Return a NOP_EXPR from folding rather than the
3205 contained expression.
3206 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3207 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
3208 conditional expressions for C.
3209 (decl_constant_value_for_optimization): Move from
3210 decl_constant_value_for_broken_optimization in c-typeck.c. Check
3211 whether optimizing and that the expression is a VAR_DECL not of
3212 array type instead of doing such checks in the caller. Do not
3213 check pedantic. Call gcc_unreachable for C++.
3214 * c-common.def (C_MAYBE_CONST_EXPR): New.
3215 * c-common.h (c_fully_fold, c_save_expr,
3216 decl_constant_value_for_optimization): New prototypes.
3217 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3218 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3219 EXPR_INT_CONST_OPERANDS): Define.
3220 * c-convert.c (convert): Strip nops from expression.
3221 * c-decl.c (groktypename): Take extra parameters expr and
3222 expr_const_operands. Update call to grokdeclarator.
3223 (start_decl): Update call to grokdeclarator. Add statement for
3224 expressions used in type of decl.
3225 (grokparm): Update call to grokdeclarator.
3226 (push_parm_decl): Update call to grokdeclarator.
3227 (build_compound_literal): Add parameter non_const and build a
3228 C_MAYBE_COSNT_EXPR if applicable.
3229 (grokdeclarator): Take extra parameters expr and
3230 expr_const_operands. Track expressions used in declaration
3231 specifiers and declarators. Fold array sizes and track whether
3232 they are constant expressions and whether they are integer
3233 constant expressions.
3234 (parser_xref_tag): Set expr and expr_const_operands fields in
3236 (grokfield): Update call to grokdeclarator.
3237 (start_function): Update call to grokdeclarator.
3238 (build_null_declspecs): Set expr and expr_const_operands fields in
3240 (declspecs_add_type): Handle expressions in typeof specifiers.
3241 * c-parser.c (c_parser_declspecs): Set expr and
3242 expr_const_operands fields for declaration specifiers.
3243 (c_parser_enum_specifier): Likewise.
3244 (c_parser_struct_or_union_specifier): Likewise.
3245 (c_parser_typeof_specifier): Likewise. Update call to
3246 groktypename. Fold expression as needed. Return expressions with
3247 type instead of adding statements.
3248 (c_parser_attributes): Update calls to c_parser_expr_list.
3249 (c_parser_statement_after_labels): Fold expression before passing
3250 to objc_build_throw_stmt.
3251 (c_parser_condition): Fold expression.
3252 (c_parser_asm_operands): Fold expression.
3253 (c_parser_conditional_expression): Use c_save_expr. Update call
3254 to build_conditional_expr.
3255 (c_parser_alignof_expression): Update call to groktypename.
3256 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3257 original_code. Fold expression argument of va_arg. Create
3258 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3259 argument to va_arg. Update calls to groktypename. Fold array
3260 index for offsetof. Verify that first argument to
3261 __builtin_choose_expr has integer type.
3262 (c_parser_postfix_expression_after_paren_type): Update calls to
3263 groktypename and build_compound_literal. Handle expressions with
3264 side effects in type name.
3265 (c_parser_postfix_expression_after_primary): Update call to
3266 c_parser_expr_list. Set original_code for calls to
3267 __builtin_constant_p.
3268 (c_parser_expr_list): Take extra parameter fold_p. Fold
3269 expressions if requested.
3270 (c_parser_objc_type_name): Update call to groktypename.
3271 (c_parser_objc_synchronized_statement): Fold expression.
3272 (c_parser_objc_receiver): Fold expression.
3273 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3274 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3275 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3276 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3277 (struct c_typespec): Add elements expr and expr_const_operands.
3278 (struct c_declspecs): Add elements expr and expr_const_operands.
3279 (groktypename, build_conditional_expr, build_compound_literal):
3281 (in_late_binary_op): Declare.
3282 * c-typeck.c (note_integer_operands): New function.
3283 (in_late_binary_op): New variable.
3284 (decl_constant_value_for_broken_optimization): Move to c-common.c
3285 and rename to decl_constant_value_for_optimization.
3286 (default_function_array_conversion): Do not strip nops.
3287 (default_conversion): Do not call
3288 decl_constant_value_for_broken_optimization.
3289 (build_array_ref): Do not fold result.
3290 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
3291 result when operand is a VLA.
3292 (c_expr_sizeof_type): Update call to groktypename. Handle
3293 expressions included in type name. Use C_MAYBE_CONST_EXPR for
3294 result when operand names a VLA type.
3295 (build_function_call): Update call to build_compound_literal.
3296 Only fold result for calls to __builtin_* functions. Strip
3297 NOP_EXPR from INTEGER_CST returned from such functions. Fold
3298 the function designator.
3299 (convert_arguments): Fold arguments. Update call to
3300 convert_for_assignment.
3301 (build_unary_op): Handle increment and decrement of
3302 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
3303 decrement earlier. Fold operand of increment and decrement.
3304 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
3305 built for integer operand. Wrap returns that are INTEGER_CSTs
3306 without being integer constant expressions or that have integer
3307 constant operands without being INTEGER_CSTs.
3308 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3309 (build_conditional_expr): Add operand ifexp_bcp. Track whether
3310 result is an integer constant expression or can be used in
3311 unevaluated parts of one and avoid folding and wrap as
3312 appropriate. Fold operands before possibly doing -Wsign-compare
3314 (build_compound_expr): Wrap result for C99 if operands can be used
3315 in integer constant expressions.
3316 (build_c_cast): Update call to digest_init. Do not ignore
3317 overflow from casting floating-point constants to integers. Wrap
3318 results that could be confused with integer constant expressions,
3319 null pointer constants or floating-point constants.
3320 (c_cast_expr): Update call to groktypename. Handle expressions
3321 included in type name.
3322 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
3323 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
3324 Update calls to convert_for_assignment.
3325 (convert_for_assignment): Take new parameter
3326 null_pointer_constant. Do not strip nops or call
3327 decl_constant_value_for_broken_optimization. Set
3328 in_late_binary_op for conversions to boolean.
3329 (store_init_value): Update call to digest_init.
3330 (digest_init): Take new parameter null_pointer_constant. Do not
3331 call decl_constant_value_for_broken_optimization. pedwarn for
3332 initializers not constant expressions. Update calls to
3333 convert_for_assignment.
3334 (constructor_nonconst): New.
3335 (struct constructor_stack): Add nonconst element.
3336 (really_start_incremental_init, push_init_level, pop_init_level):
3337 Handle constructor_nonconst and nonconst element.
3338 (set_init_index): Call constant_expression_warning for array
3340 (output_init_element): Fold value. Set constructor_nonconst as
3341 applicable. pedwarn for initializers not constant expressions.
3342 Update call to digest_init. Call constant_expression_warning
3343 where constant initializers are required.
3344 (process_init_element): Use c_save_expr.
3345 (c_finish_goto_ptr): Fold expression.
3346 (c_finish_return): Fold return value. Update call to
3347 convert_for_assignment.
3348 (c_start_case): Fold switch expression.
3349 (c_process_expr_stmt): Fold expression.
3350 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3351 ensure statement expression is not evaluated in constant expression.
3352 (build_binary_op): Track whether results are integer constant
3353 expressions or may occur in such, disable folding and wrap results
3354 as applicable. Fold operands for -Wsign-compare warnings unless
3356 (c_objc_common_truthvalue_conversion): Handle results folded to
3357 integer constants that are not integer constant expressions.
3358 * doc/extend.texi: Document when typeof operands are evaluated,
3359 that condition of __builtin_choose_expr is an integer constant
3360 expression, and more about use of __builtin_constant_p in
3363 2009-03-29 Richard Guenther <rguenther@suse.de>
3365 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3366 propagate addresses of array references.
3368 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
3370 * regmove.c (perhaps_ends_bb_p): Remove.
3371 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
3372 from INSN and check that the main loop stays within that basic block.
3373 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3374 (regmove_forward_pass): Split out from regmove_optimize. Use
3375 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3376 (regmove_backward_pass): Split out from regmove_optimize. Use
3377 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3378 (regmove_optimize): Simplify.
3380 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3383 * config/i386/i386.c (classify_argument): Ignore flexible array
3384 member in struct and warn ABI change.
3386 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3388 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3390 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3391 (ix86_adjust_cost): Updated.
3393 2009-03-29 Jan Hubicka <jh@suse.cz>
3396 * tree-pass.h (pass_cleanup_eh): New function.
3397 (remove_unreachable_regions): Break code handling RTL
3398 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3399 that can not be reached by runtime.
3400 (can_be_reached_by_runtime): New function.
3401 (label_to_region_map): New function.
3402 (num_eh_regions): New function.
3403 (rtl_remove_unreachable_regions): New function.
3404 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3405 (remove_eh_region): New function.
3406 * except.h: Include sbitmap and vecprim.
3407 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3408 num_eh_regions): Declare.
3409 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3410 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3411 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3412 (tree_empty_eh_handler_p): New function.
3413 (cleanup_empty_eh): New function.
3414 (cleanup_eh): New function.
3415 (pass_cleanup_eh): New function.
3417 2009-03-29 Jan Hubicka <jh@suse.cz>
3419 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3420 for removed regions.
3422 2009-03-29 Jan Hubicka <jh@suse.cz>
3424 * except.c (dump_eh_tree): Dump all datastructures.
3426 2009-03-29 Jan Hubicka <jh@suse.cz>
3428 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3429 (duplicate_eh_regions_1): Likewise.
3430 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3431 vector; call EH verification.
3432 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3433 Be ready for region being removed.
3435 2009-03-29 Jan Hubicka <jh@suse.cz>
3437 * bitmap.c (bitmap_last_set_bit): New function.
3438 * bitmap.h (bitmap_last_set_bit): Declare.
3440 2009-03-29 David Ayers <ayers@fsfe.org>
3443 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3444 by calling objc_compare_types and surpress warnings about
3445 incompatible C pointers that are compatible ObjC pointers.
3447 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3449 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3450 call initialize_inline_failed.
3451 (initialize_inline_failed): Move it from here ...
3452 * cgraph.c (initialize_inline_failed): ... to here.
3453 (cgraph_create_edge): Call initialize_inline_failed rather than
3454 setting inline_failed directly.
3456 2009-03-29 Ben Elliston <bje@au.ibm.com>
3459 * sysv4.opt (msdata): Improve comment.
3460 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3461 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3463 2009-03-29 Ben Elliston <bje@au.ibm.com>
3466 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3467 load and store attributes.
3469 2009-03-29 Ben Elliston <bje@au.ibm.com>
3471 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3472 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3473 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3474 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3475 __builtin_infq and __builtin_huge_valq.
3477 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3479 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3481 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3482 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3484 2009-03-28 Xinliang David Li <davidxl@google.com>
3486 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3487 (do_dbg_cnt): New function.
3489 2009-03-28 Jan Hubicka <jh@suse.cz>
3491 Merge from pretty-ipa:
3493 2009-03-27 Jan Hubicka <jh@suse.cz>
3495 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3496 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3497 * passes.c (function_called_by_processed_nodes_p): New.
3498 * ipa-pure-const.c (check_call): Fix handling of operands.
3499 (analyze_function): Dump debug output for skipped bodies.
3500 (local_pure_const): Use function_called_by_processed_nodes_p.
3501 * dwarf2out.c (reference_to_unused): Use output.
3502 * passes.c (do_per_function_toporder): Likewise.
3504 2008-11-12 Jan Hubicka <jh@suse.cz>
3506 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3507 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3508 state_set_in_source enum
3509 (check_decl): Ignore memory tags; do not set fake looping flags;
3511 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3512 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3513 (check_call, analyze_function): Rewrite.
3515 (add_new_function): Update call of analyze_function.
3516 (generate_summary): Add call of analyze_function.
3517 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3518 (local_pure_const): New function.
3519 (pass_local_pure_const): New pass.
3520 * ipa-inline.c (inline_transform): Set after_inlining.
3521 * tree-eh.c (stmt_can_throw_external): New.
3522 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3523 work with aliasing built.
3524 * tree-flow.h (stmt_can_throw_external): New.
3525 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3526 and local pure/const pass in early and late optimization queue.
3528 2009-03-28 Martin Jambor <mjambor@suse.cz>
3530 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3532 (fold_binary): Allow function decl aligment consideration is the
3533 second argument is integer constant one.
3534 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3535 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3536 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3538 2009-03-28 Jan Hubicka <jh@suse.cz>
3540 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3541 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3542 * function.h (rtl_data): Add nothrow flag.
3543 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3544 set DECL_NOTHROW for AVAILABLE functions.
3546 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3548 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3549 following vector keyword has expansion starting with pixel or bool
3550 keyword, expand vector to __vector and pixel or bool to __pixel or
3554 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3555 warn_if_disallowed_function_p): Removed.
3556 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3557 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3558 warning_if_disallowed_function_p.
3559 * flags.h (warn_if_disallowed_function_p,
3560 warn_disallowed_functions): Removed.
3561 * common.opt (Wdisallowed-function-list=): Removed.
3562 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3564 2009-03-28 Richard Guenther <rguenther@suse.de>
3566 PR tree-optimization/38723
3567 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3570 2009-03-28 Jan Hubicka <jh@suse.cz>
3572 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3573 test introduced by my previous patch.
3575 2009-03-28 Richard Guenther <rguenther@suse.de>
3577 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3578 the PHIs value undefined.
3580 2009-03-28 Jan Hubicka <jh@suse.cz>
3582 * tree-pass.h (pass_fixup_cfg): New pass.
3583 * ipa-inline.c (inline_transform): Set
3584 always_inline_functions_inlined/after_inlining.
3585 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3586 (pass_fixup_cfg): New pass.
3587 * passes.c (init_optimization_passes): Add fixup_cfg.
3589 2009-03-28 Richard Guenther <rguenther@suse.de>
3591 PR tree-optimization/38458
3592 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3593 argument use the arguments copy-of value.
3595 2009-03-28 Richard Guenther <rguenther@suse.de>
3597 PR tree-optimization/38180
3598 * tree-ssa-ccp.c (get_default_value): Simplify.
3599 (likely_value): Likewise.
3600 (surely_varying_stmt_p): Properly handle VOP case.
3601 (ccp_initialize): Likewise.
3602 (ccp_fold): Handle propagating through *&.
3603 (fold_const_aggregate_ref): Also handle decls.
3605 2009-03-28 Jan Hubicka <jh@suse.cz>
3607 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3608 * cgraph.h (cgraph_node): Likewise.
3609 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3610 (cgraph_reset_node): Use process flag.
3611 (cgraph_mark_functions_to_output): Likewise.
3612 (cgraph_expand_function): Likewise.
3613 (cgraph_expand_all_functions): Likewise.
3614 (cgraph_output_in_order): Likewise.
3615 * dwarf2out.c (reference_to_unused): Likewise.
3616 * passes.c do_per_function_toporder): Likewise.
3618 2009-03-28 Jan Hubicka <jh@suse.cz>
3620 Bring from lto-branch:
3622 2008-09-03 Doug Kwan <dougkwan@google.com>
3624 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3625 enums instead of reason strings.
3626 * cgraph.c (cgraph_create_edge): Same.
3627 (cgraph_inline_failed_string): New function.
3628 * cgraph.h (cgraph_inline_failed_t): New enum type.
3629 (cgraph_inline_failed_string): New prototype.
3630 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3631 char pointer to cgraph_inline_failed_t.
3632 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3633 (cgraph_default_inline_p): Ditto.
3634 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3635 to cgraph_inline_failed_t pointer.
3636 * cif-code.def: New file.
3637 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3639 (cgraph_check_inline_limits): Change type of REASON to pointer to
3640 cgraph_inline_failed_t. Replace reason strings with enums.
3641 (cgraph_default_inline_p): Ditto.
3642 (cgraph_recursive_inlining_p): Ditto.
3643 (update_caller_keys): Change type of FAILED_REASON to
3644 cgraph_inline_failed_t.
3645 (cgraph_set_inline_failed): Change type of REASON to pointer to
3646 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3647 convert enums to strings for text output.
3648 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3649 to be of type cgraph_inline_failed_t. Replace reason strings with
3650 enums. Call cgraph_inline_failed_string to covert enums
3651 to strings for text output.
3652 (cgraph_decide_inlining): Replace reason strings with enums.
3653 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3654 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3656 * tree-inline.c (expand_call_inline): Change type of REASON
3657 to cgraph_inline_failed_t. Replace reason strings with enums.
3658 Call cgraph_inline_failed_string for text output.
3659 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3662 2009-03-28 Jan Hubicka <jh@suse.cz>
3664 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3665 cgraph_clone_node): Remove master clone handling.
3666 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3667 * cgraph.h (master_clone): Remove.
3668 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3669 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3670 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3672 2009-03-28 Jan Hubicka <jh@suse.cz>
3674 * cgraph.c (cgraph_function_body_availability): Functions declared
3675 inline are always safe to assume that it is not going to be replaced.
3677 2009-03-28 Richard Guenther <rguenther@suse.de>
3679 PR tree-optimization/38513
3680 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3681 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3682 EXC_PTR_EXPR and FILTER_EXPR.
3683 (get_ref_from_reference_ops): Likewise.
3685 2009-03-28 Richard Guenther <rguenther@suse.de>
3687 PR tree-optimization/38968
3688 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3689 Use FLOOR_MOD_EXPR to compute misalignment.
3691 2009-03-28 Richard Guenther <rguenther@suse.de>
3693 PR tree-optimization/37795
3694 * tree.h (combine_comparisons): Declare.
3695 * fold-const.c (combine_comparisons): Export.
3696 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3698 (ifcombine_iforif): Use combine_comparisons.
3700 2009-03-28 Jan Hubicka <jh@suse.cz>
3702 * tree-eh.c (inlinable_call_p): New function.
3703 (make_eh_edges): Use it.
3704 (verify_eh_edges): Use it.
3705 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3706 * except.c (reachable_next_level): Add inlinable_function argument
3707 (sjlj_find_directly_reachable_regions): Update.
3708 (add_reachable_handler): Do not set saw_any_handlers.
3709 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3710 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3711 Add new inlinable call parameter.
3712 (can_throw_internal, can_throw_external): Update.
3713 * except.h (can_throw_internal_1, can_throw_external_1,
3714 foreach_reachable_handler): Update declaration.
3716 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3718 * config/arm/t-arm-coff, config/h8300/coff.h,
3719 config/i386/i386-aout.h, config/i386/i386-coff.h,
3720 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3721 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3722 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3723 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3724 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3725 sys-types.h: Remove.
3726 * Makefile.in: Remove protoize and fixproto support and references
3728 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3729 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3731 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3732 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3733 unprotoize$(exeext).
3734 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3735 (.PHONY): Don't depend on proto.
3736 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3737 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3738 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3739 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3740 build/gen-protos.o, build/scan.o, xsys-protos.h,
3741 build/fix-header$(build_exeext), build/fix-header.o,
3742 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3743 stmp-install-fixproto): Remove.
3744 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3745 SYSCALLS.c or fixproto files.
3746 (install-common): Don't install protoize.
3747 (install-headers-tar, install-headers-cpio, install-headers-cp):
3748 Don't depend on $(STMP_FIXPROTO).
3749 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3750 install fixproto files or write out fixproto settings.
3751 (uninstall): Don't uninstall protoize.
3752 * config.gcc (use_fixproto): Remove.
3753 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3754 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3755 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3756 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3757 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3758 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3759 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3760 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3761 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3762 * config/t-vxworks (STMP_FIXPROTO): Remove.
3763 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3764 STMP_FIXPROTO): Remove.
3765 * config.in, configure: Regenerate.
3766 * crtstuff.c (gid_t, uid_t): Don't undefine.
3767 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3768 (arm-*-coff, arm-*-aout: Remove target entries.
3769 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3770 Remove mention of AIX 4.1.
3771 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3772 * doc/invoke.texi (Running Protoize): Remove.
3773 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3774 (Protoize Caveats): Remove.
3775 * tsystem.h: Update comments on headers assumed to exist.
3777 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3779 * genautomata.c: Add a new year to the copyright. Add a new
3781 (struct insn_reserv_decl): Add comments for member bypass_list.
3782 (find_bypass): Remove.
3783 (insert_bypass): New.
3784 (process_decls): Use insert_bypass.
3785 (output_internal_insn_latency_func): Output all bypasses with the
3786 same input insn in one switch case.
3788 * rtl.def (define_bypass): Describe bypass choice.
3789 * doc/md.texi (define_bypass): Ditto.
3791 2009-03-27 Richard Guenther <rguenther@suse.de>
3793 * gimplify.c (mark_addressable): Export.
3794 * tree-flow.h (mark_addressable): Declare.
3795 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3796 * tree-ssa.c (verify_phi_args): Verify that address taken
3797 variables have TREE_ADDRESSABLE set.
3799 2009-03-27 Richard Guenther <rguenther@suse.de>
3801 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3802 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3803 Do not mark decls TREE_ADDRESSABLE.
3804 (build_fold_addr_expr): Adjust.
3805 (fold_addr_expr): Remove.
3806 (fold_unary): Use build_fold_addr_expr.
3807 (fold_comparison): Likewise.
3808 (split_address_to_core_and_offset): Likewise.
3809 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3811 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3812 (gimplify_modify_expr_to_memcpy): Mark source and destination
3814 * omp-low.c (create_omp_child_function): Mark the object decl
3816 (lower_rec_input_clauses): Mark the var we take the address of
3818 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3820 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3823 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3824 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3826 2009-03-27 Richard Guenther <rguenther@suse.de>
3828 PR tree-optimization/39120
3829 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3831 (handle_lhs_call): Process return constraints. Add escape
3832 constraints if necessary.
3833 (handle_const_call): Fill out return constraints. Make nested
3834 case more precise. Avoid consttmp if possible.
3835 (handle_pure_call): Fill out return constraints. Avoid
3836 callused if possible.
3837 (find_func_aliases): Simplify call handling.
3839 2009-03-27 Richard Guenther <rguenther@suse.de>
3841 PR tree-optimization/39120
3842 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3843 as a representative.
3844 (solve_graph): Do propagate CALLUSED.
3845 (handle_pure_call): Use a scalar constraint from CALLUSED for
3847 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3850 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3853 * c-common.c (handle_aligned_attribute): Properly check alignment
3854 overflow. Use (1U << i) instead of (1 << i).
3856 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3858 * expr.h (get_mem_align_offset): Updated.
3860 * tree.h (tree_decl_common): Change align to "unsigned int" and
3861 move it before pointer_alias_set.
3863 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3864 Jakub Jelinek <jakub@redhat.com>
3867 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3868 gr_register_operand with gr_reg_or_0_operand.
3869 (cmpxchg_rel_di): Likewise.
3870 (sync_lock_test_and_set<mode>): Likewise.
3872 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3874 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3875 (true_regnum): Likewise.
3877 * rtlanal.c (subreg_info): Moved to ...
3878 * rtl.h (subreg_info): Here. New.
3879 (subreg_get_info): New.
3881 * rtlanal.c (subreg_get_info): Make it extern.
3883 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3886 * config/i386/i386.c (ix86_abi): New.
3887 (override_options): Handle -mabi=.
3888 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3889 (ix86_call_abi_override): Likewise.
3890 (init_cumulative_args): Likewise.
3891 (function_arg_advance): Likewise.
3892 (function_arg_64): Likewise.
3893 (function_arg): Likewise.
3894 (ix86_pass_by_reference): Likewise.
3895 (ix86_function_value_regno_p): Likewise.
3896 (ix86_build_builtin_va_list_abi): Likewise.
3897 (setup_incoming_varargs_64): Likewise.
3898 (is_va_list_char_pointer): Likewise.
3899 (ix86_init_machine_status): Likewise.
3900 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3901 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3902 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3903 (ix86_function_abi): Make it static and return enum calling_abi.
3904 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3906 (ix86_fn_abi_va_list): Updated.
3908 * config/i386/i386.h (ix86_abi): New.
3909 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3910 (CONDITIONAL_REGISTER_USAGE): Likewise.
3911 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3912 (machine_function): Likewise.
3914 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3916 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3917 (STACK_BOUNDARY): Likewise.
3918 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3920 * config/i386/i386.opt (mabi=): New.
3922 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3923 return enum calling_abi.
3924 (ix86_function_type_abi): Likewise.
3925 (ix86_function_abi): Removed.
3927 * doc/invoke.texi: Document -mabi= option for x86.
3929 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3931 * builtins.c (real_dconstp): Delete.
3932 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3934 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3935 Jakub Jelinek <jakub@redhat.com>
3938 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3939 (gen_subprogram_die): When a function is explicit, generate the
3940 DW_AT_explicit attribute.
3941 * langhooks.h (struct lang_hooks_for_decls): Add
3942 function_decl_explicit_p langhook.
3943 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3944 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3946 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3948 * builtins.c (fold_builtin_memory_op): Optimize memmove
3949 into memcpy if we can prove source and destination don't overlap.
3951 * tree-inline.c: Include gt-tree-inline.h.
3952 (clone_fn_id_num): New variable.
3953 (clone_function_name): New function.
3954 (tree_function_versioning): Use it.
3955 * Makefile.in (GTFILES): Add tree-inline.c.
3957 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3959 * BASE-VER: Change to 4.5.0.
3961 2009-03-27 Xinliang David Li <davidxl@google.com>
3963 PR tree-optimization/39557
3964 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3966 2009-03-27 Xinliang David Li <davidxl@google.com>
3968 PR tree-optimization/39548
3969 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3972 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3974 * c-common.c (pointer_int_sum): Use %wd on return from
3977 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3979 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3980 on return from tree_low_cst.
3982 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3985 * ginclude/stdarg.h (va_copy): Define also for
3986 __GXX_EXPERIMENTAL_CXX0X__.
3988 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3991 * builtins.h (c_strlen): Do not warn here.
3992 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3993 * c-common.c (pointer_int_sum): Take an explicit location.
3994 Warn about offsets out of bounds.
3995 * c-common.h (pointer_int_sum): Adjust declaration.
3997 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3999 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4002 2009-03-26 Jakub Jelinek <jakub@redhat.com>
4005 * opts.c (warn_if_disallowed_function_p): Don't assume
4006 get_callee_fndecl must return non-NULL.
4008 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
4010 PR rtl-optimization/39522
4011 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4012 when reg_reloaded_valid is set.
4014 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4016 * config/spu/divv2df3.c: New file.
4017 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4018 (DPBIT_FUNCS): Filter out _div_df.
4020 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
4022 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4023 a jump insn, count that jump in the distance to the loop start.
4025 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
4028 * config/sh/sh.c (calc_live_regs): Fix condition for global
4029 registers except PIC_OFFSET_TABLE_REGNUM.
4031 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
4034 * doc/invoke.texi (-mconsole): New.
4038 (-mnop-fun-dllimport): New.
4042 (sub section "i386 and x86-64 Windows Options"): New.
4044 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
4046 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4047 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4049 2009-03-25 Richard Guenther <rguenther@suse.de>
4052 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4055 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
4057 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4058 neither of haifa/selective schedulers are working.
4060 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4062 * doc/invoke.texi (Debugging Options): Fix description of
4063 -fno-merge-debug-strings.
4065 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
4067 * config/cris/libgcc.ver: New version-script.
4068 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4070 * configure.ac <GAS features, nop mnemonic>: Add pattern
4071 crisv32-*-* for "nop".
4072 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4073 * configure: Regenerate.
4075 2009-03-24 Ira Rosen <irar@il.ibm.com>
4077 PR tree-optimization/39529
4078 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4079 mark_sym_for_renaming for the tag copied to the new vector
4082 2009-03-24 Arthur Loiret <aloiret@debian.org>
4084 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4085 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4086 EXTRA_SPEC_FUNCTIONS.
4087 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4088 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4089 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4090 -march and -mtune options.
4092 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
4094 * config/m68k/t-rtems: Add m5329 multilib.
4096 2009-03-24 Dodji Seketeli <dodji@redhat.com>
4097 Jakub Jelinek <jakub@redhat.com>
4100 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4103 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4106 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4107 instead of c_parser_expression_conv, if original_code isn't one of the
4108 4 allowed comparison codes, fail.
4110 2009-03-23 Richard Guenther <rguenther@suse.de>
4112 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4113 * tree.h (struct tree_type): Likewise.
4114 * reload.h (struct insn_chain): Likewise.
4115 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4116 * function.h (struct function): Likewise.
4117 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4119 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4121 PR tree-optimization/39516
4122 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4124 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
4126 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
4127 should be set true if BITS_PER_WORD of target is bigger than 32
4129 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
4131 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4132 Translate -B-options to -rpath-link. Correct existing
4133 rpath-link and conditionalize on !nostdlib.
4135 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4137 * doc/extend.texi (Function Attributes, Variable Attributes):
4139 * doc/invoke.texi (Debugging Options, Optimize Options)
4140 (i386 and x86-64 Options, MCore Options): Likewise.
4142 2009-03-20 Jakub Jelinek <jakub@redhat.com>
4145 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4146 it for block local namespace aliases.
4147 (gen_decl_die): Pass context_die to gen_namespace_die.
4149 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4152 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4153 minimum or maximum value.
4155 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
4157 * reginfo.c (globalize_reg): Recompute derived reg sets.
4159 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
4162 * libgcc2.c (mprotect): Do not use signed arguments for
4163 VirtualProtect, use DWORD arguments. Also fix the 'may
4164 be used uninitialized' warning for the np variable.
4166 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4169 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4170 functions using regparm calling conventions when not optimizing.
4171 (ix86_function_sseregparm): Similarly for sseregparm calling
4174 2009-03-19 Li Feng <nemokingdom@gmail.com>
4177 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4178 dependence if the first conflict is after niter iterations.
4180 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
4183 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4184 functions with dynamic stack-pointer adjustments.
4186 2009-03-19 Ben Elliston <bje@au.ibm.com>
4188 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4189 option; change to -msdata=data.
4191 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4193 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4196 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
4199 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4201 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
4203 * doc/invoke.texi (Code Gen Options): Expand discussion of
4206 2009-03-18 Jakub Jelinek <jakub@redhat.com>
4208 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4209 * matrix-reorg.c (struct matrix_info): Likewise.
4210 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4211 * rtl.h (struct mem_attrs): Likewise.
4212 * df.h (struct df): Likewise.
4213 * tree-data-ref.h (struct data_dependence_relation): Likewise.
4214 * ira-int.h (struct ira_allocno): Likewise.
4215 * df-scan.c (struct df_collection_rec): Likewise.
4216 * ira.c (struct equivalence): Likewise.
4217 * function.c (struct temp_slot): Likewise.
4218 * cfgloop.h (struct loop): Likewise.
4221 * function.c (use_register_for_decl): When not optimizing, disregard
4222 register keyword for variables with types containing methods.
4224 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
4227 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4228 (is_simple_operand): Call contains_component_ref_p before calling data
4229 reference analysis that would fail on COMPONENT_REFs.
4231 * tree-vrp.c (search_for_addr_array): Fix formatting.
4233 2009-03-18 Richard Guenther <rguenther@suse.de>
4235 * tree-vect-transform.c (vect_loop_versioning): Fold the
4236 generated comparisons.
4237 * tree-vectorizer.c (set_prologue_iterations): Likewise.
4238 (slpeel_tree_peel_loop_to_edge): Likewise.
4240 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4243 * opts.c (print_specific_help): In addition to `undocumented',
4244 accept `separate' and `joined' flags if passed alone. Describe
4245 output by the first matched one of those.
4246 (common_handle_option): Skip over empty strings.
4247 * gcc.c (display_help): Fix help string for `--help='.
4248 * doc/invoke.texi (Option Summary, Overall Options): With
4249 `--help=', classes and qualifiers can both be repeated, but
4250 only the latter can be negated. One should not pass only
4251 negated qualifiers. Fix markup and examples.
4254 2008-10-14 Jakub Jelinek <jakub@redhat.com>
4256 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4257 and -fhelp=separate.
4259 2009-03-17 Jing Yu <jingyu@google.com>
4262 * function.h (struct rtl_data): Move is_thunk from here...
4263 (struct function): ...to here.
4264 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4265 * varasm.c (assemble_start_function): Change is_thunk from crtl to
4267 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4269 (alpha_does_function_need_gp, alpha_start_function): Likewise.
4270 (alpha_output_function_end_prologue): Likewise.
4271 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4272 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4273 (rs6000_output_function_epilogue): Likewise.
4274 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4276 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
4279 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4280 from different units in a single alternative.
4281 (*truncdfsf_i387): Ditto.
4282 (*truncxfsf2_mixed): Ditto.
4283 (*truncxfdf2_mixed): Ditto.
4285 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4287 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4288 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4291 * tree-ssa-live.c (remove_unused_locals): Don't remove local
4292 unused non-artificial variables when not optimizing.
4295 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4296 DW_TAG_imported_module even if decl is IMPORTED_DECL with
4297 NAMESPACE_DECL in its DECL_INITIAL.
4300 * optabs.c (set_user_assembler_libfunc): New function.
4301 * expr.h (set_user_assembler_libfunc): New prototype.
4302 * c-common.c: Include libfuncs.h.
4303 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4304 for memcmp, memset, memcpy, memmove and abort.
4305 * Makefile.in (c-common.o): Depend on libfuncs.h.
4308 * dwarf2out.c (gen_inlined_enumeration_type_die,
4309 gen_inlined_structure_type_die, gen_inlined_union_type_die,
4310 gen_tagged_type_instantiation_die): Removed.
4311 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4314 2009-03-17 Janis Johnson <janis187@us.ibm.com>
4317 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4319 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4320 (check-parallel-%): Ditto.
4321 (check-consistency): Ditto.
4323 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
4325 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4326 local variable rhs by NULL_TREE.
4328 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4331 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4333 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4336 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4338 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4341 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4342 for ms->sysv ABI calls only in 64bit mode.
4344 * config/i386/i386.md (untyped_call): Support 32bit.
4346 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
4348 * doc/extend.texi: Replace x86_65 with x86_64.
4350 2009-03-16 Jakub Jelinek <jakub@redhat.com>
4352 PR tree-optimization/39455
4353 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4354 mismatches for POINTER_TYPE_P (type).
4355 (number_of_iterations_le): Likewise.
4357 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4359 * config/picochip/picochip.c: Removed profiling support.
4360 * config/picochip/picochip.md: Removed profiling instruction.
4361 * config/picochip/picochip.h: Removed profiling builtin.
4363 2009-03-16 Joseph Myers <joseph@codesourcery.com>
4365 * doc/install.texi (--with-host-libstdcxx): Document.
4367 2009-03-14 Anatoly Sokolov <aesok@post.ru>
4370 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4371 generate a warning if the function name does not begin with
4372 "__vector" and the function has either the 'signal' or 'interrupt'
4373 attribute, from here to ...
4374 (avr_declare_function_name): ...here. New function.
4375 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4376 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4378 2009-03-14 Jakub Jelinek <jakub@redhat.com>
4381 * cse.c (fold_rtx): Don't modify original const_arg1 when
4382 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4383 separate variable instead.
4384 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4385 from out of range shift counts.
4386 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4388 2008-03-13 Catherine Moore <clm@codesourcery.com>
4390 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4391 diagnostic.h with $(DIAGNOSTIC_H).
4393 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4396 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4398 * config/i386/sync.md (sync_compare_and_swap<mode>,
4399 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4400 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4402 (sync_double_compare_and_swapdi_pic,
4403 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4404 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4406 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4409 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4411 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4414 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4415 (avx_addsubv4df3): Likewise.
4416 (*avx_addsubv4sf3): Likewise.
4417 (sse3_addsubv4sf3): Likewise.
4419 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4422 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4424 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4427 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4428 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4429 registers for allocnos created from user-defined variables.
4431 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4434 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4435 of non-integer mode as well.
4437 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4439 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4440 for functions for which the parameter types are unknown.
4442 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4445 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4446 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4447 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4448 * config/i386/i386.c (ix86_local_alignment): For
4449 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4450 long long variables on the stack to avoid dynamic realignment.
4451 Allow the first argument to be a decl rather than type.
4452 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4454 2009-03-11 Nick Clifton <nickc@redhat.com>
4457 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4459 Add description to mno-lsim option.
4460 * config/mcore/mcore.h: Remove comment about deprecated m4align
4462 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4463 * doc/invoke.texi: Add description of mno-lsim and
4464 mstack-increment options.
4466 * config/fr30/fr30.opt: Document the -mno-lsim option.
4467 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4468 and -mno-lsim options.
4470 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4472 * fold-const.c (fold_comparison): Only call fold_inf_compare
4473 if the mode supports infinities.
4475 2009-03-11 Jason Merrill <jason@redhat.com>
4478 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4479 end already did. Notice GIMPLE_CALL modifications of the result.
4480 Don't copy debug information from an ignored decl or a decl from
4483 2009-03-10 Richard Guenther <rguenther@suse.de>
4484 Nathan Froyd <froydnj@codesourcery.com>
4487 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4488 (__divMODE3): Likewise.
4490 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4492 PR tree-optimization/39394
4493 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4494 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4496 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4498 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4499 inline asms for register asm ("") declarations.
4501 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4503 * fold-const.c (fold_unary): Fix comment.
4505 2009-03-07 Jan Hubicka <jh@suse.cz>
4508 * tree-inline.c (setup_one_parameter): Do replacement of const
4509 argument by constant in SSA form.
4511 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4514 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4515 determine alignment passed to assign_stack_local.
4516 (assign_parms_unsplit_complex): Likewise.
4517 * except.c (sjlj_build_landing_pads): Likewise.
4519 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4522 * tree-flow.h (add_referenced_var): Return bool instead of void.
4523 * tree-dfa.c (add_referenced_var): Return result of
4524 referenced_var_check_and_insert call.
4525 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4526 of referenced_var_check_and_insert.
4529 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4530 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4531 DIE, don't emit it if abstract origin already has it.
4532 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4533 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4535 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4537 * genpreds.c (needs_variable): Fix parentheses at variable name
4539 (write_tm_constrs_h): Indent generated code.
4541 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4543 * doc/extend.texi (Function Attributes): Add documentation
4546 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4549 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4550 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4552 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4554 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4557 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4560 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4561 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4563 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4565 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4566 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4567 constants instead of magic numbers.
4568 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4570 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4571 (x86_64_ms_abi_int_parameter_registers): Ditto.
4572 (x86_64_int_return_registers): Ditto.
4573 (ix86_maybe_switch_abi): Ditto.
4574 (ix86_expand_call): Ditto for clobbered_registers array.
4575 (ix86_hard_regno_mode_ok): Ditto.
4576 (x86_extended_QIreg_mentioned_p): Ditto.
4578 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4580 PR tree-optimization/39349
4581 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4583 * combine.c (gen_lowpart_for_combine): Use omode when generating
4586 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4588 PR rtl-optimization/39235
4589 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4591 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4593 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4595 2009-03-04 Richard Guenther <rguenther@suse.de>
4597 PR tree-optimization/39362
4598 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4599 that occur in abnormal PHIs should be varying.
4601 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4603 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4605 (simple_iv): Take loop as an argument instead of statement.
4606 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4607 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4609 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4611 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4612 * matrix-reorg.c (analyze_transpose): Ditto.
4613 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4614 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4615 * tree-predcom.c (ref_at_iteration): Ditto.
4616 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4618 2009-03-04 Richard Guenther <rguenther@suse.de>
4620 PR tree-optimization/39358
4621 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4622 escaped_id and callused_id.
4623 (solve_graph): Likewise.
4625 2009-03-04 Richard Guenther <rguenther@suse.de>
4627 PR tree-optimization/39339
4628 * tree-sra.c (try_instantiate_multiple_fields): Make it
4629 no longer ICE on the above.
4631 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4633 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4634 that fits within Pmode.
4636 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4639 * tm.texi (LIBCALL_VALUE): Update description.
4641 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4644 * doc/extend.texi (section): Update description.
4646 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4649 * tree-inline.c (remapped_type): New.
4650 (can_be_nonlocal): Call remapped_type instead of remap_type.
4652 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4655 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4656 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4658 2009-03-03 Richard Guenther <rguenther@suse.de>
4661 * tree.c (tree_nonartificial_location): New function.
4662 * tree.h (tree_nonartificial_location): Declare.
4663 * builtins.c (expand_builtin_memory_chk): Provide location
4664 of the call location for artificial function pieces.
4665 (maybe_emit_chk_warning): Likewise.
4666 (maybe_emit_sprintf_chk_warning): Likewise.
4667 (maybe_emit_free_warning): Likewise.
4668 * expr.c (expand_expr_real_1): Likewise.
4670 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4672 PR tree-optimization/39343
4673 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4674 COMPONENT_REF t has ARRAY_TYPE.
4676 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4679 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4680 when the type precision of the induction variable should be
4681 larger than the type precision of nit.
4682 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4683 * graphite.c (graphite_loop_normal_form): Same.
4684 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4686 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4688 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4689 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4690 numbers to describe clobbered registers.
4691 (*call_value_0_rex64_ms_sysv): Ditto.
4692 * config/i386/mmx.md (mmx_emms): Ditto.
4695 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4697 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4700 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4702 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4703 (spu_section_type_flags): New function.
4705 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4707 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4708 reg_class_contents of FLOAT_REGS into a temporary.
4710 2009-03-02 Richard Guenther <rguenther@suse.de>
4711 Ira Rosen <irar@il.ibm.com>
4713 PR tree-optimization/39318
4714 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4715 information to the vectorized statement.
4717 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4719 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4720 variable. Use defined names instead of magic constants for REX SSE
4723 2009-03-01 Richard Guenther <rguenther@suse.de>
4725 PR tree-optimization/39331
4726 * omp-low.c (lower_send_shared_vars): Do not receive new
4727 values for the reference of DECL_BY_REFERENCE parms or results.
4729 2009-03-01 Jan Hubicka <jh@suse.cz>
4732 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4733 BLOCK_NONLOCALIZED_VAR): New macros.
4734 (tree_block): Add nonlocalized_vars.
4735 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4736 gen_decl_die): Add origin argument. Allow generation of die with
4737 origin at hand only.
4738 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4739 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4741 (gen_block_die): Fix checking for unused blocks.
4742 (process_scope_var): Break out from .... ; work with origins only.
4743 (decls_for_scope) ... here; process nonlocalized list.
4744 (dwarf2out_ignore_block): Look for nonlocalized vars.
4745 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4747 (dump_scope_block): Dump them.
4748 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4749 (remap_block): Likewise.
4750 (can_be_nonlocal): New predicate.
4751 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4753 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4755 * configure: Regenerate.
4757 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4759 * optc-gen.awk: No need to duplicate option flags twice.
4760 Reuse help texts for duplicate options which do not have any.
4762 * gcc.c (display_help): Document --version.
4764 * gcc.c (main): If print_help_list and verbose_flag, ensure
4765 driver output comes before subprocess output.
4767 * optc-gen.awk: Assign all remaining fields to help string,
4768 space-separated, for multi-line help in *.opt.
4770 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4771 -Wno-pedantic-ms-format is for MinGW targets only.
4773 * doc/options.texi (Option file format): Fix bad indentation,
4774 restoring dropped sentence.
4776 2009-02-28 Jan Hubicka <jh@suse.cz>
4778 * tree-inline.c (tree_function_versioning): Output debug info.
4780 2009-02-28 Jan Hubicka <jh@suse.cz>
4783 * tree-inline.c (setup_one_parameter): Do not copy propagate
4784 arguments when not optimizing.
4786 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4789 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4790 (avx_addsubv4df3): Likewise.
4791 (*avx_addsubv4sf3): Likewise.
4792 (sse3_addsubv4sf3): Likewise.
4793 (*avx_addsubv2df3): Likewise.
4794 (sse3_addsubv2df3): Likewise.
4795 (avx_unpckhps256): Correct item selectors.
4796 (avx_unpcklps256): Likewise.
4797 (avx_unpckhpd256): Likewise.
4798 (avx_unpcklpd256): Likewise.
4800 2009-02-28 Jan Hubicka <jh@suse.cz>
4802 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4804 (copy_arguments_for_versioning): If var is declared don't declare it.
4805 (tree_function_versioning): First setup substitutions and then copy
4808 2009-02-27 Jan Hubicka <jh@suse.cz>
4811 * cgraph.h (varpool_output_debug_info): Remove.
4812 * cgraphunit.c (varpool_output_debug_info): Remove.
4813 * dwarf2out.c (deferred_locations_struct): New struct
4814 (deferred_locations): New type.
4815 (deferred_locations_list): New static var.
4816 (deffer_location): New function.
4817 (gen_variable_die): Use it.
4818 (decls_for_scope): Output info on local static vars.
4819 (dwarf2out_finish): Process deferred locations.
4820 * varpool.c (varpool_output_debug_info): Remove.
4822 2009-02-27 Jan Hubicka <jh@suse.cz>
4825 * tree.h (TREE_PROTECTED): Fix comment.
4826 (BLOCK_HANDLER_BLOCK): Remove.
4827 (struct tree_block): Remove handler_block add body_block.
4828 (inlined_function_outer_scope_p): New.
4829 (is_body_block): Remove.
4830 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4831 * dwarf2out.c (is_inlined_entry_point): Remove.
4832 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4833 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4835 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4836 * gimplify.c (gimplify_expr): Gimplify body blocks.
4837 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4838 block with multiple subblocks.
4839 (dump_scope_block): Prettier output; dump more flags and info.
4840 (dump_scope_blocks): New.
4841 (remove_unused_locals): Use dump_scope_blocks.
4842 * tree-flow.h (dump_scope_blocks): Declare.
4843 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4844 * stmt.c (is_body_block): Remove.
4845 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4846 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4848 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4851 * graphite.c (graphite_loop_normal_form): Do not call
4852 number_of_iterations_exit from a gcc_assert.
4854 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4856 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4857 jumps if COND is NULL.
4858 (find_cond_jump): New function.
4859 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4860 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4862 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4864 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4865 force_const_mem returns NULL_RTX.
4867 2009-02-26 Jan Hubicka <jh@suse.cz>
4870 * cgraph.h (varpool_output_debug_info): Remove.
4871 * cgraphunit.c (varpool_output_debug_info): Remove.
4872 * dwarf2out.c (deferred_locations_struct): New struct
4873 (deferred_locations): New type.
4874 (deferred_locations_list): New static var.
4875 (deffer_location): New function.
4876 (gen_variable_die): Use it.
4877 (decls_for_scope): Output info on local static vars.
4878 (dwarf2out_finish): Process deferred locations.
4879 * varpool.c (varpool_output_debug_info): Remove.
4881 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4883 PR rtl-optimization/39241
4884 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4885 to subreg_offset_representable_p.
4887 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4889 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4890 execute function prototype. Get f and nregs from max_reg_num
4891 and get_insns. Remove the first backward pass as it's dead,
4892 guard the forward pass by flag_expensive_optimizations.
4893 (rest_of_handle_regmove): Delete.
4894 (pass_regmove): Replace it with regmove_optimize.
4896 2009-02-25 Martin Jambor <mjambor@suse.cz>
4898 PR tree-optimization/39259
4899 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4900 calls_alloca function flags.
4901 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4904 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4906 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4907 flags_set_1_rtx, flags_set_1_set): Delete.
4908 (regmove_optimize): Do not call mark_flags_life_zones.
4910 2009-02-24 Julian Brown <julian@codesourcery.com>
4913 * config/arm/arm.c (require_pic_register): Only set
4914 cfun->machine->pic_reg once per function.
4916 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4918 * doc/invoke.texi (Link Options): Document an easier way to pass
4919 options that take arguments to the GNU linker using -Xlinker and -Wl.
4921 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4924 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4926 2009-02-24 Richard Guenther <rguenther@suse.de>
4929 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4931 2009-02-24 Richard Guenther <rguenther@suse.de>
4932 Zdenek Dvorak <ook@ucw.cz>
4934 PR tree-optimization/39233
4935 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4936 from converting them to a generic type.
4938 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4940 PR tree-optimization/39260
4941 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4942 contains a condition with a real type.
4943 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4945 2009-02-23 Jason Merrill <jason@redhat.com>
4948 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4949 narrowing_initializer_constant_valid_p.
4950 (narrowing_initializer_constant_valid_p): Don't return
4951 null_pointer_node for adding a pointer to itself.
4953 2009-02-23 Jan Hubicka <jh@suse.cz>
4956 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4959 2009-02-23 Jan Hubicka <jh@suse.cz>
4961 PR tree-optimization/37709
4962 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4963 * tree.h (block_ultimate_origin): Declare.
4964 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4965 * tree-ssa-live.c (remove_unused_scope_block_p):
4966 Eliminate blocks containig no instructions nor live variables nor
4968 (dump_scope_block): New function.
4969 (remove_unused_locals): Enable removal of dead blocks by default;
4970 enable dumping at TDF_DETAILS.
4972 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4974 * config/i386/i386.c (classify_argument): Don't allow COImode
4976 (function_arg_advance_32): Don't allow OImode.
4977 (function_arg_32): Likewise.
4978 (function_value_32): Likewise.
4979 (return_in_memory_32): Likewise.
4980 (function_arg_64): Remove OImode comment.
4982 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4985 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4986 ix86_expand_vector_set for V4DImode in 64bit mode only.
4987 (ix86_expand_vector_init_one_var): Likewise.
4989 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4991 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4993 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4996 * loop-iv.c: Revert last change.
4997 * emit-rtl.c: Likewise.
4999 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
5002 * config/i386/i386.c (type_natural_mode): Remove an extra
5003 space in the warning message.
5004 (function_value_32): Handle 32-byte vector modes.
5005 (return_in_memory_32): Likewise.
5007 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
5009 * loop-iv.c (truncate_value): New function.
5010 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5012 (lowpart_subreg): Move to...
5013 * emit-rtl.c: ...here.
5015 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
5017 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5018 accidental and undocumented change at revision 140860.
5020 2009-02-21 Joseph Myers <joseph@codesourcery.com>
5022 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5023 take gimple_seq * arguments.
5024 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5025 types_compatible_p langhook.
5027 2009-02-20 Mark Mitchell <mark@codesourcery.com>
5028 Joseph Myers <joseph@codesourcery.com>
5030 * config/arm/arm.c (arm_builtin_va_list): New function.
5031 (arm_expand_builtin_va_start): Likewise.
5032 (arm_gimplify_va_arg_expr): Likewise.
5033 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5034 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5035 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5036 (va_list_type): New variable.
5037 (arm_mangle_type): Mangle va_list_type appropriately.
5039 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5042 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5043 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5044 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5045 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5046 parameter to 1000 for -O1 by default.
5047 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5049 * loop-invariant.c: Include params.h.
5050 (move_loop_invariants): Don't call move_single_loop_invariants on
5053 2009-02-20 Jaka Mocnik <jaka@xlab.si>
5055 * calls.c (emit_library_call_value_1): Use slot_offset instead of
5056 offset when calculating bounds for indexing stack_usage_map. Fixes
5057 a buffer overflow with certain target setups.
5059 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5062 * calls.c (expand_call): Clear try_tail_call if caller and callee
5063 disagree in promotion of function return value.
5065 2009-02-19 Jakub Jelinek <jakub@redhat.com>
5068 * c-common.c (c_determine_visibility): If visibility changed and
5069 DECL_RTL has been already set, call make_decl_rtl to update symbol
5072 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
5075 * varasm.c (assemble_variable): Don't check DECL_NAME when
5076 globalizing a variable.
5078 2009-02-19 Joseph Myers <joseph@codesourcery.com>
5081 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5082 expression before any __builtin_trap call.
5083 * c-typeck.c (build_function_call): Convert and check function
5084 arguments before generating a call to a trap. Evaluate the
5085 function arguments before the trap.
5087 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
5090 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5091 (UNSPEC_FXAM_MEM): New unspec.
5092 (fxam<mode>2_i387_with_temp): New insn and split pattern.
5093 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
5094 memory using fxam<mode>2_i387_with_temp to remove excess precision.
5096 2009-02-19 Richard Guenther <rguenther@suse.de>
5098 PR tree-optimization/39207
5099 PR tree-optimization/39074
5100 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5101 storedanything_tree): New.
5102 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
5103 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5104 (build_succ_graph): Add edges from STOREDANYTHING to all
5106 (init_base_vars): Initialize STOREDANYTHING.
5107 (compute_points_to_sets): Free substitution info after
5108 building the succ graph.
5109 (ipa_pta_execute): Likewise.
5111 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5113 (do_ds_constraint): Do not add to special var or non-pointer
5115 (type_could_have_pointers): Split out from ...
5116 (could_have_pointers): ... here. For arrays use the element type.
5117 (create_variable_info_for): Initialize may_have_pointers.
5118 (new_var_info): Likewise.
5119 (handle_lhs_call): Make the HEAP variable unknown-sized.
5120 (intra_create_variable_infos): Use a type with pointers for
5121 PARM_NOALIAS, make it unknown-sized.
5123 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
5126 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5128 2009-02-18 Jason Merrill <jason@redhat.com>
5131 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5132 value if DECL_EXTERNAL.
5133 * tree-sra.c (sra_walk_gimple_assign): Likewise.
5134 * target.h (gcc_target::binds_local_p): Clarify "module".
5135 * tree.h (TREE_PUBLIC): Clarify "module".
5137 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
5140 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5141 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5143 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
5146 * c.opt (Wabi): Support C and ObjC.
5149 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5151 * config/i386/i386.c (classify_argument): Warn once about the ABI
5152 change when passing union with long double.
5154 * doc/invoke.texi: Update -Wabi for warning psABI changes.
5156 2009-02-18 Joseph Myers <joseph@codesourcery.com>
5159 * c-parser.c (c_parser_compound_statement): Always enter and leave
5162 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5165 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5167 2009-02-18 Jakub Jelinek <jakub@redhat.com>
5169 PR tree-optimization/36922
5170 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5171 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5174 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5176 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5179 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5181 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5183 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5185 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5188 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
5189 Richard Sandiford <rdsandiford@googlemail.com>
5191 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5192 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5193 (loongson_biadd): ...this.
5195 2009-02-17 Richard Guenther <rguenther@suse.de>
5197 PR tree-optimization/39202
5198 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5199 a var make sure to follow existing collapses.
5201 2009-02-17 Richard Guenther <rguenther@suse.de>
5204 * langhooks.c (lhd_print_error_function): Check for NULL block.
5206 2009-02-17 Richard Guenther <rguenther@suse.de>
5208 PR tree-optimization/39204
5209 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5212 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
5214 * config/soft-fp/double.h: Update from glibc CVS.
5216 2009-02-17 Richard Guenther <rguenther@suse.de>
5218 PR tree-optimization/39207
5219 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5220 strict-aliasing warnings for pointers pointing to NULL.
5222 2009-02-16 Joseph Myers <joseph@codesourcery.com>
5225 * c-parser.c (c_parser_braced_init): Call pop_init_level when
5226 skipping until next close brace.
5228 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
5231 * config/i386/i386.c (ix86_expand_push): Set memory alignment
5232 to function argument boundary.
5234 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5236 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5237 in the lea_add. Reload eventually constraints it properly.
5238 * config/picochip/constraints.md : Remove the target constraint
5239 "b", since it is not needed anymore.
5241 2009-02-16 Jakub Jelinek <jakub@redhat.com>
5243 * gthr-dce.h: Uglify function parameter and local variable names.
5244 * gthr-gnat.h: Likewise.
5245 * gthr-mipssde.h: Likewise.
5246 * gthr-nks.h: Likewise.
5247 * gthr-posix95.h: Likewise.
5248 * gthr-posix.h: Likewise.
5249 * gthr-rtems.h: Likewise.
5250 * gthr-single.h: Likewise.
5251 * gthr-solaris.h: Likewise.
5252 * gthr-tpf.h: Likewise.
5253 * gthr-vxworks.h: Likewise.
5254 * gthr-win32.h: Likewise.
5256 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
5259 * config/i386/i386.md: Restrict the new peephole2 to move
5260 between MMX/SSE registers.
5262 2009-02-15 Richard Guenther <rguenther@suse.de>
5265 2009-02-13 Richard Guenther <rguenther@suse.de>
5267 * configure.ac: Enable LFS.
5268 * configure: Re-generate.
5269 * config.in: Likewise.
5271 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5273 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5274 spu_srqwbyte, spu_srqwbytebc): Define.
5275 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5276 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5277 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5278 "shrqby_<mode>"): New insn-and-split patterns.
5279 * config/spu/spu.c (expand_builtin_args): Determine and return
5280 number of operands using spu_builtin_description data.
5281 (spu_expand_builtin_1): Use it.
5283 2009-02-13 Steve Ellcey <sje@cup.hp.com>
5286 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5289 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5292 * config/i386/i386.c (override_options): Correct warning
5293 messages for -malign-loops, -malign-jumps and -malign-functions.
5295 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5298 * config/i386/i386.md: Restrict the new peephole2 to move
5299 between the general purpose registers.
5301 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5304 * config/i386/i386.c (type_natural_mode): Add a new argument.
5305 Return the original mode and warn ABI change if vector size is 32byte.
5306 (function_arg_advance): Updated.
5307 (function_arg): Likewise.
5308 (ix86_function_value): Likewise.
5309 (ix86_return_in_memory): Likewise.
5310 (ix86_sol10_return_in_memory): Likewise.
5311 (ix86_gimplify_va_arg): Likewise.
5312 (function_arg_32): Don't warn ABX ABI change here.
5313 (function_arg_64): Likewise.
5315 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
5317 * loop-iv.c (implies_p): In the final case, test that operands 0
5318 of the two comparisons match.
5320 * config/bfin/bfin.c (find_prev_insn_start): New function.
5321 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5322 (find_next_insn_start): Move.
5324 2009-02-13 Richard Guenther <rguenther@suse.de>
5326 * configure.ac: Enable LFS.
5327 * configure: Re-generate.
5328 * config.in: Likewise.
5330 2009-02-13 Joseph Myers <joseph@codesourcery.com>
5333 * c-parser.c (c_parser_parms_list_declarator): Discard pending
5334 sizes on syntax error after some arguments have been parsed.
5336 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5338 * doc/invoke.texi (-fira): Remove.
5340 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5342 * caller-save.c: Replace regclass.c with reginfo.c in comments.
5343 * recog.c: Likewise.
5346 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
5348 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5349 (umul_ppmm): Likewise.
5350 (count_leading_zeros): Likewise.
5351 (count_trailing_zeros): Likewise.
5352 (UMUL_TIME): Likewise.
5354 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5356 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5357 soft-fp/t-softfp to tmake_file.
5359 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5360 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5361 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5362 IA64_BUILTIN_INFQ]: New.
5363 (ia64_init_builtins): Initialize __builtin_infq,
5364 __builtin_fabsq and __builtin_copysignq if not HPUX.
5365 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5366 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5368 * config/ia64/lib1funcs.asm (__divtf3): Define only if
5370 (__fixtfti): Likewise.
5371 (__fixunstfti): Likewise.
5372 (__floattitf): Likewise.
5374 * config/ia64/libgcc-glibc.ver: New.
5375 * config/ia64/t-fprules-softfp: Likewise.
5376 * config/ia64/sfp-machine.h: Likewise.
5378 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5379 (LIBGCC2_TF_CEXT): Likewise.
5380 (TF_SIZE): Likewise.
5381 (TARGET_INIT_LIBFUNCS): Likewise.
5383 * config/ia64/t-glibc (SHLINB_MAPFILES):
5384 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5386 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5388 * config/i386/i386.c (construct_container): Rewrite processing
5389 BLKmode with X86_64_SSE_CLASS.
5391 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5394 * config/i386/i386.md: Replace simplify_replace_rtx with
5395 replace_rtx in the new peephole2.
5397 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5399 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5400 loop unrolling do not happen at -O2.
5402 2009-02-12 Michael Matz <matz@suse.de>
5404 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5406 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5408 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5411 2009-02-12 Ben Elliston <bje@au.ibm.com>
5413 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5414 patterns when updating the back chain. Missed in the 2009-02-10
5417 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5419 * doc/extend.texi (Decimal Floating Types): Update identifier of
5420 draft TR and list of missing support.
5422 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5425 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5426 bit to variable length decl's flags, add it also to its
5427 pointer replacement variable.
5429 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5430 Jakub Jelinek <jakub@redhat.com>
5433 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5434 (memory_blockage): New expander.
5435 (*memory_blockage): New insn pattern.
5436 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5437 instead of general blockage at the end of function prologue when
5438 frame pointer is used to access red zone area. Do not emit blockage
5439 when profiling, it is emitted in generic code.
5440 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5441 function epilogue when frame pointer is used to access red zone area.
5443 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5446 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5447 by arithmetic with memory operands.
5448 * config/i386/predicates.md (commutative_operator): New.
5450 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5452 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5455 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5457 * alias.h (record_alias_subset): Declare.
5458 * alias.c (record_alias_subset): Make global.
5460 2009-02-10 Nick Clifton <nickc@redhat.com>
5462 * tree-parloops.c: Change license to GPLv3.
5463 * ipa-struct-reorg.c: Change license to GPLv3.
5464 * ipa-struct-reorg.h: Change license to GPLv3.
5466 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5469 * c-decl.c (start_struct): Return NULL on error.
5471 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5474 * cfgloopmanip.c (remove_path): Call remove_bbs after
5475 cancel_loop_tree, not before it.
5478 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5479 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5480 VAR_DECLs were seen.
5481 * tree-ssa-live.c (remove_unused_locals): Recompute
5482 cfun->has_local_explicit_reg_vars.
5483 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5484 copies or clearings if cfun->has_local_explicit_reg_vars.
5486 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5489 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5490 of function prologue when frame pointer is used to access
5493 2009-02-10 Richard Guenther <rguenther@suse.de>
5496 * gimplify.c (gimple_regimplify_operands): Always look if
5497 we need to create a temporary.
5499 2009-02-10 Richard Guenther <rguenther@suse.de>
5501 PR tree-optimization/39132
5502 * tree-loop-distribution.c (todo): New global var.
5503 (generate_memset_zero): Trigger TODO_rebuild_alias.
5504 (tree_loop_distribution): Return todo.
5506 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5509 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5510 (x86_64_reg_class_name): Removed.
5511 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5512 first one isn't X86_64_SSE_CLASS or any other ones aren't
5513 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5514 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5515 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5516 and 3 X86_64_SSEUP_CLASS.
5517 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5518 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5520 2009-02-10 Ben Elliston <bje@au.ibm.com>
5522 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5523 form instruction to update the stack back chain word, even if the
5524 user has disabled the generation of update instructions.
5525 (movdi_<mode>_update_stack): New.
5526 (movsi_update_stack): Likewise.
5527 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5528 always use an update form instruction to update the stack back
5531 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5534 * graphite.c (if_region_set_false_region): After moving a region in
5535 the false branch of a condition, remove the empty dummy basic block.
5536 (gloog): Remove wrong fix for PR38953.
5538 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5540 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5541 generation due to implicit sign extension.
5543 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5546 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5547 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5549 2009-02-09 Richard Guenther <rguenther@suse.de>
5552 * convert.c (convert_to_real): Disable (float)fn((double)x)
5553 to fnf(x) conversion if errno differences may occur and
5554 -fmath-errno is set.
5556 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5558 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5559 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5560 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5562 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5565 * c-common.c (handle_alias_attribute): Disallow attribute for
5566 anything not a FUNCTION_DECL or VAR_DECL.
5568 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5571 * real.c (do_compare): Special-case compare of zero against
5572 decimal float value.
5574 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5577 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5578 as indicating flexible array members unless the field itself is
5579 being declarared as the incomplete array.
5581 2009-02-06 Jan Hubicka <jh@suse.cz>
5583 PR tree-optimization/38844
5584 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5587 2009-02-06 Richard Guenther <rguenther@suse.de>
5590 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5591 fork because we may expand it as __gcov_fork.
5593 2009-02-06 Nick Clifton <nickc@redhat.com>
5595 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5597 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5599 PR tree-optimization/35659
5600 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5601 vn_phi_eq): Shortcut if hashcode does not match.
5602 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5604 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5605 and avoid iterative_hash_expr.
5606 (FOR_EACH_VALUE_ID_IN_SET): New.
5607 (value_id_compare): Remove.
5608 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5609 sort expressions by value id.
5611 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5614 * config/sh/predicates.md (general_movsrc_operand): Don't check
5615 the subreg of system registers here.
5617 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5620 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5623 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5625 PR rtl-optimization/39110
5626 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5627 addresses, not aligned ones.
5629 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5630 Richard Guenther <rguenther@suse.de>
5632 PR tree-optimization/39100
5633 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5634 comment says and add edges.
5636 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5639 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5640 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5642 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5644 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5645 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5646 register_bb_in_sese, new_sese, free_sese): Moved.
5647 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5648 outermost_loop_in_scop, build_scop_iteration_domain,
5649 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5650 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5651 Use loop_in_sese_p instead of loop_in_scop_p.
5652 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5653 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5654 (scopdet_basic_block_info): Fix bug in scop detection.
5655 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5656 eq_loop_to_cloog_loop): Remove.
5657 (nb_loops_around_loop_in_scop, nb_loop
5658 ref_nb_loops): Moved here...
5659 * graphite.h (ref_nb_loops): ... from here.
5660 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5661 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5662 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5663 * testsuite/gcc.dg/graphite/scop-19.c: New
5665 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5666 Hans-Peter Nilsson <hp@axis.com>
5668 PR rtl-optimization/37889
5669 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5670 Move offset handling from PLUS to before the switch. Use new
5671 arguments when considering SYMBOL_REFs too.
5672 (rtx_addr_can_trap_p): Pass dummy offset and size.
5673 (enum may_trap_p_flags): Remove.
5674 (may_trap_p_1): Pass size from MEM_SIZE.
5676 PR rtl-optimization/38921
5677 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5678 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5679 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5680 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5682 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5684 AVX Programming Reference (January, 2009)
5685 * config/i386/sse.md (*vpclmulqdq): New.
5687 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5689 PR tree-optimization/38977
5690 PR gcov-profile/38292
5691 * calls.c (special_function_p): Disregard __builtin_ prefix.
5693 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5695 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5696 non-indexable addresses even before reload.
5698 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5701 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5702 as having variable size. Do not give an error for unnamed
5703 parameters with [*] declarators. Give a warning for type names
5704 with [*] declarators and mark them as variable size.
5705 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5706 for sizeof applied to [*] type names.
5708 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5711 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5713 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5715 * gcc.c (process_command): Update copyright notice dates.
5716 * gcov.c (print_version): Likewise.
5717 * gcov-dump.c (print_version): Likewise.
5718 * mips-tfile.c (main): Likewise.
5719 * mips-tdump.c (main): Likewise.
5721 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5724 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5725 for composite type involving a zero-length array type.
5727 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5730 * function.c (match_asm_constraints_1): Skip over
5731 initial optional % in the constraint.
5734 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5735 supported, don't accept FIXED_CSTs.
5736 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5737 and _Sat is used without _Fract/_Accum. Set specs->type to
5738 integer_type_node for cts_fract/cts_accum if fixed point is not
5741 2009-02-02 Catherine Moore <clm@codesourcery.com>
5743 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5745 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5747 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5748 (ABI_HAS_64BIT_SYMBOLS): Use it.
5749 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5751 2009-02-02 Paul Brook <paul@codesourcery.com>
5753 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5755 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5758 * recog.h (asm_operand_ok): Add constraints argument.
5759 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5760 recurse on matching constraint.
5761 (check_asm_operands): Pass constraints as 3rd argument to
5762 asm_operand_ok. Don't look up matching constraint here.
5763 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5766 2009-02-02 Ben Elliston <bje@au.ibm.com>
5768 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5769 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5771 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5773 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5774 information. Remove some obsolete information. Reorganize.
5776 * config/pa/fptr.c: Revert license to GPL 2.
5777 * config/pa/milli64.S: Likewise.
5779 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5782 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5783 LIBRARY name in, instead of hard-coding it.
5784 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5785 extra target make frag to tmake_files according to EH model.
5786 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5787 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5788 frags that define makefile variable EH_MODEL appropriately.
5789 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5790 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5791 to "-sjlj" according to type of EH configured.
5792 (LIBGCC_SONAME): Concatenate it to shared library base name.
5793 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5794 to "_sjlj" according to type of EH configured.
5795 (LIBGCC_SONAME): Concatenate it to shared library base name.
5796 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5797 (SHLIB_LINK): Add missing semicolon to if-else construct.
5798 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5799 string value of "pe_dll" command-line option.
5800 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5801 (SHLIB_SONAME): Use it when overriding t-cygming default.
5802 (SHLIB_IMPLIB): Override t-cygming default.
5803 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5804 string value of "pe_dll" command-line option.
5806 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5809 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5810 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5812 2009-01-31 Richard Guenther <rguenther@suse.de>
5814 PR tree-optimization/38937
5815 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5816 computing the transitive closure.
5818 2009-01-30 Richard Guenther <rguenther@suse.de>
5820 PR tree-optimization/39041
5821 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5822 Propagate variable indices only if the types match for this stmt.
5824 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5827 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5828 inline but never defined.
5830 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5832 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5833 (*insv_h_di_reg_extimm): New insn.
5834 (*insv_l<mode>_reg_extimm): New insn.
5836 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5838 * config/picochip/picochip.c (flag_conserve_stack): set
5839 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5840 fconserve-stack. Reduce call-overhead used by inliner.
5842 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5845 * common.opt (flag_conserve_stack): Initialised to zero.
5847 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5850 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5851 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5854 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5856 * ira-color.c (allocno_reload_assign): Update comments.
5857 * regmove.c (regmove_optimize): Likewise.
5861 2009-01-29 Robert Millan <rmh@aybabtu.com>
5863 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5864 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5865 `MD_UNWIND_SUPPORT'.
5866 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5868 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5870 PR tree-optimization/39007
5871 * tree-loop-distribution.c (generate_builtin): Use
5872 recompute_dominator to compute the immediate dominator of the
5873 basic block just after the loop.
5875 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5877 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5878 (ASM_OUTPUT_DWARF_PCREL): Define.
5880 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5882 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5883 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5884 global. Modify entries about regmove and IRA.
5886 * ra-conflict.c: Remove the file.
5888 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5890 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5891 (pass_regclass_init): Rename to pass_reginfo_init.
5893 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5895 * toplev.h (flag_ira): Remove.
5897 * caller-save.c (setup_save_areas): Remove flag_ira.
5899 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5901 * global.c: Remove the file.
5903 * opts.c (decode_options): Remove flag_ira.
5905 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5907 * regmove.c: Modify file description.
5908 (find_use_as_address, try_auto_increment): Define them only if
5909 AUTO_INC_DEC is defined.
5910 (replacement_quality, replace_in_call_usage, fixup_match_1,
5911 stable_and_no_regs_but_for_p): Remove.
5912 (reg_set_in_bb): Make it static.
5913 (regmove_optimize): Remove flag_ira and code which worked for
5916 * local-alloc.c: Remove the file.
5918 * common.opt (fira): Remove.
5920 * ira.c: Include except.h.
5921 (eliminable_regset): Move from global.c.
5922 (mark_elimination): Ditto. Remove flag_ira.
5923 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5924 equiv_mem_modified, validate_equiv_mem_from_store,
5925 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5926 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5927 no_equiv, recorded_label_ref): Move from local-alloc.c.
5928 (update_equiv_regs): Ditto. Make it static.
5929 (print_insn_chain, print_insn_chains): Move it from global.c.
5930 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5931 (build_insn_chain): Ditto. Make it static.
5932 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5933 Rename to init_live_subregs.
5934 (gate_ira): Remove flag_ira.
5936 * regclass.c: Rename reginfo.c. Change file description.
5937 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5938 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5939 (init_reg_sets_1): Remove code for evaluation of
5940 reg_class_superclasses and losing_caller_save_reg_set.
5941 (init_regs): Remove init_reg_autoinc.
5942 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5943 ok_for_base_p_nonstrict): Remove.
5944 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5945 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5946 corresponding entries.
5947 (dump_regclass, record_operand_costs, scan_one_insn,
5948 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5949 record_address_regs, auto_inc_dec_reg_p): Remove.
5950 (gt-regclass.h): Rename to gt-reginfo.h.
5952 * rtl.h (dump_global_regs, retry_global_alloc,
5953 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5955 * Makefile.in (RA_H): Remove.
5956 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5957 Rename regclass.o to reginfo.o.
5958 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5960 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5961 (GTFILES): Rename regclass.c to reginfo.c.
5963 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5964 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5966 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5967 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5969 (finish_spills): Ditto. Remove code for !flag_ira.
5971 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5974 * doc/invoke.texi (rtl debug options): Complete rewrite.
5975 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5977 * mode-switching.c (pass_mode_switching): Rename pass from
5978 "mode-sw" to "mode_sw".
5979 * except.c (pass_convert_to_eh_ranges): Rename pass from
5980 "eh-ranges" to "eh_ranges".
5981 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5985 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5986 Alexander Monakov <amonakov@ispras.ru>
5989 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5991 (move_exprs_to_boundary): Change return type and pass through
5992 should_move from move_op. Relax assert. Update usage ...
5993 (schedule_expr_on_boundary): ... here. Use should_move instead of
5995 (move_op_orig_expr_found): Indicate that insn was disconnected from
5997 (code_motion_process_successors): Do not call after_merge_succs
5998 callback if original expression was not found when traversing any of
6000 (code_motion_path_driver): Change return type. Update prototype.
6001 (move_op): Update comment. Add a new parameter (should_move). Update
6002 prototype. Set *should_move based on indication provided by
6003 move_op_orig_expr_found.
6005 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
6007 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6008 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6009 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6010 * config/rs6000/rs6000.c (rs6000_override_options): Default
6011 avoid-indexed-addresses on for Power6, off for everything else.
6012 (avoiding_indexed_address_p): New function.
6013 (rs6000_legitimize_address): Use it.
6014 (rs6000_legitimate_address): Likewise.
6015 * config/rs6000/rs6000.md (movXX_updateX): Likewise
6017 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
6019 PR tree-optimization/38997
6020 * tree-loop-distribution.c (generate_memset_zero): Use
6021 POINTER_PLUS_EXPR for a pointer addition.
6023 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
6025 * config/s390/s390.md (bswap<mode>2): New pattern added.
6027 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6029 * config/s390/s390.md (*tls_load_31): Added type attribute.
6031 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6033 * config/s390/s390.md: Fix a few comments.
6035 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6037 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6038 (*tm<mode>_full): Fixed z10prop attribute.
6039 (*tst<mode>_extimm): Fixed z10prop attribute.
6040 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6041 (*tstqiCCT_cconly): Fixed z10prop attribute.
6042 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6043 (*movsi_larl): Fixed z10prop attribute.
6044 (*movsi_zarch): Fixed z10prop attribute.
6045 (*movsi_eas): Fixed z10prop attribute.
6046 (*movhi): Fixed z10prop attribute.
6047 (*movqi): Fixed z10prop attribute.
6048 (*movstrictqi): Fixed z10prop attribute.
6049 (*mov<mode>): Fixed z10prop attribute.
6050 (*movcc): Fixed z10prop attribute.
6051 (*sethighpartdi_64): Fixed z10prop attribute.
6052 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6053 (*negdi2_sign_cc): Fixed z10prop attribute.
6054 (*negdi2_sign): Fixed z10prop attribute.
6055 (*absdi2_sign_cc): Fixed z10prop attribute.
6056 (*absdi2_sign): Fixed z10prop attribute.
6057 (*negabsdi2_sign_cc): Fixed z10prop attribute.
6058 (*negabsdi2_sign): Fixed z10prop attribute.
6059 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6060 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6061 (doloop_si64): Fixed z10prop attribute.
6062 (doloop_si31): Fixed z10prop attribute.
6063 (doloop_long): Fixed z10prop attribute.
6064 (indirect_jump): Fixed z10prop attribute.
6065 (nop): Fixed z10prop attribute.
6066 (main_base_64): Fixed z10prop attribute.
6067 (reload_base_64): Fixed z10prop attribute.
6069 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6071 PR rtl-optimization/38740
6072 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6074 * config/mips/mips.c (mips_reorg): Likewise.
6076 2009-01-28 Richard Guenther <rguenther@suse.de>
6078 PR tree-optimization/38926
6079 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6080 with the correct value id to a value.
6081 (do_regular_insertion): Use the value number of edoubleprime
6082 for the value number of the expr.
6085 2008-08-21 Richard Guenther <rguenther@suse.de>
6087 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6088 a PHI ask VN if it is already available.
6089 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6090 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6092 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6095 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6096 set to varying whenever max has TREE_OVERFLOW set, similarly
6097 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6099 2009-01-28 Richard Guenther <rguenther@suse.de>
6102 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6103 uninitialized aggregate uses in call arguments.
6105 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
6107 PR tree-optimization/38984
6108 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6109 the nothing_id variable if -fno-delete-null-pointer-checks.
6111 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
6114 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6115 (set_got_offset_rex64): Ditto.
6117 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
6120 * doc/extend.texi: Improve local variable with asm reg.
6122 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
6124 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6125 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6126 was not supplied then set warn_packed_bitfield_compat to the
6128 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6131 2009-01-27 Richard Guenther <rguenther@suse.de>
6133 PR tree-optimization/38503
6134 * cfgexpand.c (expand_gimple_basic_block): Ignore
6135 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6136 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6137 variables that cannot have TBAA applied.
6138 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6141 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
6144 * calls.c (initialize_argument_information): Do not wrap complex
6145 arguments in SAVE_EXPR.
6147 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
6149 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6150 (INSTALL_LIBGCC): Revert typo commit.
6152 2009-01-26 Richard Guenther <rguenther@suse.de>
6154 PR tree-optimization/38745
6155 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6156 from special handling.
6158 2009-01-26 Richard Guenther <rguenther@suse.de>
6160 PR tree-optimization/38745
6161 * tree-ssa.c (execute_update_addresses_taken): Do not include
6162 variables that cannot possibly be a register in not_reg_needs.
6163 Do not clear TREE_ADDRESSABLE on vars that may not become
6165 * tree-ssa.c (update_alias_info_1): Include those in the set
6166 of addressable vars.
6168 2009-01-26 Richard Guenther <rguenther@suse.de>
6171 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6172 * tree-ssa-dse.c: Include langhooks.h
6173 (execute_simple_dse): Remove stores with zero size.
6175 2009-01-24 Jakub Jelinek <jakub@redhat.com>
6178 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6181 2009-01-24 Julian Brown <julian@codesourcery.com>
6183 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6184 config/arm/linux-atomic.c.
6185 * config/arm/linux-atomic.c: New.
6187 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
6189 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6190 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6191 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6193 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
6196 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6199 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
6201 PR tree-optimization/38953
6202 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6203 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6204 (gloog): Split the exit of the scop when the scop exit is a loop exit.
6205 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6208 2009-01-24 Paul Brook <paul@codesourcery.com>
6210 * config/arm/neon.md (neon_type): Move to arm.md.
6211 (neon_mov<VSTRUCT>): Add neon_type attribute.
6212 * config/arm/arm.md (neon_type): Move to here.
6213 (conds): Add "unconditioal" and use as default for NEON insns.
6215 2009-01-24 Ben Elliston <bje@au.ibm.com>
6217 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6218 void *' warning from -Wc++-compat.
6219 * Makefile.in (dominance.o-warn): Remove.
6221 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
6223 PR tree-optimization/38932
6224 * fold-const.c (fold_unary_ignore_overflow): New.
6225 * tree.h (fold_unary_ignore_overflow): Declare.
6226 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6227 * tree-ssa-sccvn.c (visit_reference_op_load,
6228 simplify_unary_expression): Likewise.
6230 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
6232 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6233 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
6234 regardless of their type.
6235 * c-common.c (handle_packed_attribute): Don't ignore packed on
6237 * c.opt (Wpacked-bitfield-compat): New warning option.
6238 * stor-layout.c (place_field): Warn if offset of a field changed.
6239 * doc/extend.texi (packed): Mention the ABI change.
6240 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6241 (Warning Options): Add it to the list.
6243 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
6245 * c-opts.c (c_common_post_options): Fix a typo in comments.
6247 2009-01-22 Steve Ellcey <sje@cup.hp.com>
6250 * gimplify.c (gimplify_init_constructor): Fix promotion of const
6251 variables to static.
6252 * doc/invoke.texi (-fmerge-all-constants): Update description.
6254 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
6257 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6258 (*movdi_1_rex64): Use type "mmx" for alternative 5.
6260 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
6262 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6264 (LOCAL_ALIGNMENT): Similarly.
6266 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6267 Joseph Myers <joseph@codesourcery.com>
6269 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6270 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6271 * config/arm/arm-tune.md: Regenerate.
6272 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6275 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6277 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6278 version number to five.
6280 2009-01-22 Dodji Seketeli <dodji@redhat.com>
6283 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6284 * c-common.c (set_underlying_type): Likewise.
6285 (is_typedef_decl ): Likewise
6287 (set_underlying_type): Likewise.
6288 (is_typedef_type): Likewise.
6290 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
6293 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6296 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6299 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
6300 (LIBGCC_SPEC): Don't define.
6301 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
6303 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
6305 PR rtl-optimization/38879
6306 * alias.c (base_alias_check): Unaligned access via AND address can
6307 alias all surrounding object types except those with sizes equal
6308 or wider than the size of unaligned access.
6310 2009-01-21 Dodji Seketeli <dodji@redhat.com>
6313 * c-decl.c (clone_underlying_type): Move this ...
6314 * c-common.c (set_underlying_type): ... here.
6315 Also, make sure the function properly sets TYPE_STUB_DECL() on
6316 the newly created typedef variant type.
6317 (is_typedef_decl ): New entry point.
6318 * tree.h: Added a new member member_types_needing_access_check to
6319 struct tree_decl_non_common.
6320 (set_underlying_type): New entry point.
6321 (is_typedef_type): Likewise.
6323 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
6325 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6326 Check whether two instructions have memory references that
6327 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
6328 are helper functions for traversing.
6329 * alias.h (insn_alias_sets_confilict_p): New prototypes.
6330 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6331 not to draw dependency edge for instructions with non-conflicting
6334 2009-01-20 Joseph Myers <joseph@codesourcery.com>
6337 * longlong.h: Update copyright years. Use soft-fp license notice.
6338 Sync __clz_tab declaration with glibc.
6340 2009-01-20 Steve Ellcey <sje@cup.hp.com>
6343 * doc/extend.texi (syscall_linkage): New.
6344 (version_id): Modify.
6346 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
6347 Richard Guenther <rguenther@suse.de>
6349 PR tree-optimization/38747
6350 PR tree-optimization/38748
6351 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6352 conversion if the base address is an indirect reference and the
6353 aliasing sets could cause issues.
6355 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6357 * common.opt (fgraphite, fgraphite-identity): Add comment for
6358 explaining why these options are not documented.
6360 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6362 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6363 gimple_call_lhs is NULL.
6365 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
6368 * emit-rtl.c (adjust_address_1): Make sure memref is never
6371 2009-01-20 Ben Elliston <bje@au.ibm.com>
6373 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6374 const qualifier from arg parameter. Remove unnecessary cast to char *.
6375 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6376 const qualifier from arg 2.
6378 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6380 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6382 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
6385 * rtl.h (reinit_regs): New prototype.
6386 * regclass.c: Include ira.h.
6388 * Makefile.in (regclass.o): Add ira.h.
6389 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6391 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6394 * c-common.c (handle_aligned_attribute): Use
6395 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6396 default alignment value.
6398 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6400 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6401 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6403 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6404 __BIGGEST_ALIGNMENT__.
6406 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6408 2009-01-18 Richard Guenther <rguenther@suse.de>
6410 PR tree-optimization/38819
6411 * tree-flow.h (operation_could_trap_helper_p): Declare.
6412 * tree-eh.c (operation_could_trap_helper_p): Export.
6413 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6414 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6415 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6416 are about to insert a possibly trapping instruction and fail
6419 2009-01-18 Andreas Schwab <schwab@suse.de>
6421 * doc/install.texi (Configuration): Remove obsolete paragraph
6422 about use of --with-gnu-ld with --with-gnu-as.
6424 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6426 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6427 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6428 Follow spelling conventions.
6430 2009-01-18 Ben Elliston <bje@au.ibm.com>
6432 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6433 C++ warning about implicit conversion from void * to struct
6435 (bitmap_obstack_free): Likewise for bitmap_element *.
6436 * Makefile.in (bitmap.o-warn): Remove.
6438 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6440 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6442 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6443 Tobias Grosser <tobi.grosser@amd.com>
6445 * graphite.c (graphite_trans_scop_block): Do not block single
6448 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6450 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6451 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6452 test with assertion.
6454 2009-01-16 Richard Guenther <rguenther@suse.de>
6456 PR tree-optimization/38835
6458 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6459 and INT + PTR -> (INT)(PTR p+ INT) folding.
6460 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6462 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6465 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6466 the subreg from a lowpart subreg if it is also casting the value.
6468 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6469 Tobias Grosser <tobi.grosser@amd.com>
6471 * graphite.c (compare_prefix_loops): New.
6472 (build_scop_canonical_schedules): Rewritten.
6473 (graphite_transform_loops): Move build_scop_canonical_schedules
6474 after build_scop_iteration_domain.
6476 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6477 Tobias Grosser <tobi.grosser@amd.com>
6479 * graphite.c (add_conditions_to_domain): Add the loops to
6480 the dimension of the iteration domain. Do copy the domain
6481 only when it exists.
6482 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6483 (add_conditions_to_constraints): New.
6484 (can_generate_code_stmt, can_generate_code): Removed.
6485 (gloog): Do not call can_generate_code.
6486 (graphite_transform_loops): Call add_conditions_to_constraints
6487 after building the iteration domain.
6489 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6491 PR tree-optimization/38789
6492 * tree-ssa-threadedge.c
6493 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6494 __builtin_constant_p.
6496 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6498 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6499 examined before deleting them.
6501 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6503 * function.c (aggregate_value_p): Correctly extract the function
6504 type from CALL_EXPR_FN lookup.
6506 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6508 * config/picochip/picochip.c (picochip_override_options): Revert
6509 CFI asm flag disable commited previously.
6511 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6512 Tobias Grosser <tobi.grosser@amd.com>
6513 Jan Sjodin <jan.sjodin@amd.com>
6515 * graphite.c (scan_tree_for_params): On substractions negate
6516 all the coefficients of the term.
6517 (clast_to_gcc_expression_red): New. Handle reduction expressions
6518 of more than two operands.
6519 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6520 (get_vdef_before_scop): Handle also the case of default definitions.
6522 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6524 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6525 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6526 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6528 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6529 Joey Ye <joey.ye@intel.com>
6532 * cfgexpand.c (expand_stack_alignment): Don't update stack
6533 boundary nor check incoming stack boundary here.
6534 (gimple_expand_cfg): Update stack boundary and check incoming
6535 stack boundary here.
6537 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6539 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6541 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6543 PR rtl-optimization/38245
6544 * calls.c (expand_call): Add stack arguments to
6545 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6546 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6547 in regs and partially in memory or BLKmode arguments.
6548 (emit_library_call_value_1): Add stack arguments to
6549 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6550 ACCUMULATE_OUTGOING_ARGS).
6551 * dce.c: Include tm_p.h.
6552 (find_call_stack_args): New function.
6553 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6555 (mark_insn): Call find_call_stack_args for CALL_Ps.
6556 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6557 forwards. Allocate and free arg_stores bitmap if needed, pass it
6558 down to deletable_insn_p, don't mark stores set in arg_stores
6559 bitmap, clear the bitmap at the beginning of each bb.
6560 * Makefile.in (dce.o): Depend on $(TM_P_H).
6562 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6565 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6566 to make sure the insn is a conditional test (bug 22599). Reformat a
6569 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6572 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6573 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6574 (gloog): Do not call cleanup_tree_cfg.
6575 (graphite_transform_loops): Call cleanup_tree_cfg after all
6576 scops have been code generated.
6578 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6579 * doc/gty.texi (Invoking the garbage collector): Added new node
6580 and section documenting ggc_collect.
6582 2009-01-14 Richard Guenther <rguenther@suse.de>
6584 PR tree-optimization/38826
6586 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6587 initialization notes only if we actually emitted a warning.
6588 (intra_create_variable_infos): Add constraints for a result decl
6589 that is passed by hidden reference.
6590 (build_pred_graph): Mark all related variables non-direct on
6593 2009-01-14 Nick Clifton <nickc@redhat.com>
6595 * ira-conflicts.c: Include addresses.h for the definition of
6597 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6598 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6600 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6603 * Makefile.in (ira-lives.o): Add except.h.
6605 * ira-lives.c: Include except.h.
6606 (process_bb_node_lives): Process can_throw_internal.
6608 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6610 PR rtl-optimization/38774
6611 * combine.c (simplify_set): When undoing cc_use change, don't do
6612 PUT_CODE on the newly created comparison, but instead put back the
6615 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6617 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6618 values. Remove duplicate arm8 entry.
6620 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6622 PR tree-optimization/38786
6623 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6624 the SSA_NAME case of expand_scalar_variables_expr.
6625 Set the type of an expression to the type of its assign statement.
6626 (expand_scalar_variables_expr): Also gather the scalar computation
6627 used to index the memory access. Do not pass loop_p.
6628 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6629 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6630 the gimple_stmt_iterator where it inserts new code.
6632 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6633 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6635 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6637 * graphite.h (debug_value): Removed.
6638 * graphite.c (debug_value): Removed.
6640 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6642 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6643 ldrd/strd with two 32-bit instructions.
6645 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6647 * config/arm/arm.c (struct processors): Pass for speed down into
6648 cost helper functions.
6649 (const_ok_for_op): Handle COMPARE and inequality nodes.
6650 (arm_rtx_costs_1): Rewrite.
6651 (arm_size_rtx_costs): Update prototype.
6652 (arm_rtx_costs): Pass speed down to helper functions.
6653 (arm_slowmul_rtx_costs): Rework cost calculations.
6654 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6655 (arm_9e_rtx_costs): Likewise.
6657 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6659 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6660 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6661 (alpha_legitimize_address): Do not split local symbols wider than
6662 UNITS_PER_WORD into HIGH/LO_SUM parts.
6664 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6667 * gcc.c (process_command): Replace call to execvp with calls
6668 to pex_one and exit.
6670 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6673 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6674 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6675 variant for devices with 3-byte PC.
6676 (__tablejump_elpm__): New.
6678 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6681 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6682 offsetof member-designator, handle it as `[0].'.
6684 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6686 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6687 function when not using named sections on targets with named sections
6688 if branch distance is less than 262132.
6690 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6692 * combine.c (combine_instructions): Recompute
6693 optimize_this_for_speed_p for each BB in the main combine loop.
6695 2009-01-12 Tomas Bily <tbily@suse.cz>
6698 * tree-loop-distribution.c (prop_phis): New function.
6699 (generate_builtin): Call prop_phis.
6700 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6702 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6704 PR tree-optimization/38807
6705 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6706 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6708 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6710 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6711 subreg of op0 to the original op0.
6713 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6715 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6717 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6720 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6721 starting with digits.
6723 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6726 * config/arm/arm.c (arm_is_long_call_p): Don't call
6727 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6729 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6731 * regrename.c (regrename_optimize): Fix dumping.
6732 (find_oldest_value_reg): Preserve REG_POINTER.
6733 (copy_hardreg_forward_1): Likewise.
6735 2009-01-09 Diego Novillo <dnovillo@google.com>
6737 * gimple.h (struct gimple_statement_base) <uid>: Document
6738 the restrictions on its use.
6740 (gimple_set_uid): Tidy.
6742 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6744 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6745 zero guard even if align_bytes != 0 and count is smaller than
6748 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6750 PR rtl-optimization/38495
6751 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6752 (add_range_and_copies_from_move_list): Print all added ranges.
6753 Add ranges to memory optimized destination.
6755 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6759 * config/i386/i386.c (override_options): Reject
6760 -mstringop-strategy=rep_8byte with -m32.
6761 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6762 to 1. Do count comparison against epilogue_size_needed at compile
6763 time even when count_exp was constant forced into register. For
6764 size_needed don't jump to epilogue, instead just avoid aligning
6765 and invoke the body algorithm. If need_zero_guard, add zero guard
6766 even if count is non-zero, but smaller than size_needed + number of
6767 bytes that could be stored for alignment.
6768 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6769 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6770 but smaller than size_needed + number of bytes that could be stored
6771 for alignment. Compare size_needed with epilogue_size_needed instead
6772 of desired_align - align, don't adjust size_needed, pass
6773 epilogue_size_needed to the epilogue expanders.
6776 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6778 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6780 * pa.c (last_address): Change to unsigned.
6781 (update_total_code_bytes): Change argument to unsigned. Don't
6782 check if insn addresses are set.
6783 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6784 addresses are not set.
6785 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6787 2009-01-09 Nick Clifton <nickc@redhat.com>
6789 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6790 DECL_DECLARED_INLINE_P.
6792 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6795 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6796 GET_MODE (op0) in operand_subword_force calls.
6799 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6800 fold_convert arg0 operands to TREE_TYPE (op0) first.
6802 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6804 * params.def (ira-max-conflict-table-size): Decrease default value
6807 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6809 PR tree-optimization/37031
6810 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6812 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6813 allocate it using gc instead of heap, use VEC_quick_push instead of
6815 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6816 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6817 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6818 allocated vector from heap allocated.
6819 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6820 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6821 vector only after perfect_loop_nest_depth call.
6823 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6824 Jan Sjodin <jan.sjodin@amd.com>
6826 PR tree-optimization/38559
6827 * graphite.c (debug_value, copy_constraint,
6828 swap_constraint_variables, scale_constraint_variable, ): New.
6829 (get_lower_bound, get_upper_bound): Removed.
6830 (graphite_trans_bb_strip_mine): Clean up this code that works
6831 only for constant number of iterations. Fully copy upper and
6832 lower bound constraints, not only the constant part of them.
6833 * graphite.h (debug_value): Declared.
6835 2009-01-08 Ira Rosen <irar@il.ibm.com>
6837 PR tree-optimization/37194
6838 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6839 Don't add the cost of cost model guard in prologue to scalar
6840 outside cost in case of known number of iterations.
6842 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6843 Alan Modra <amodra@bigpond.net.au>
6845 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6846 non-word-aligned REG+CONST addressing.
6848 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6851 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6852 free_after_compilation when outputting a thunk.
6853 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6854 Do not call free_after_compilation here.
6856 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6858 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6859 (ix86_valid_target_attribute_inner_p): Ditto.
6861 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6863 PR tree-optimization/38492
6864 PR tree-optimization/38498
6865 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6866 * tree-chrec.h (scev_is_linear_expression): Declared.
6867 * graphite.c (graphite_cannot_represent_loop_niter): New.
6868 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6869 (graphite_loop_normal_form): Use gcc_assert.
6870 (scan_tree_for_params): Use CASE_CONVERT.
6871 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6872 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6873 Use gcc_assert. Discard scops that contain unhandled cases.
6874 (build_scop_conditions): Return a boolean status for unhandled cases.
6875 (strip_mine_profitable_p): Print the loop number, not its depth.
6876 (is_interchange_valid): Pass the depth of the loop nest, don't
6877 recompute it wrongly.
6878 (graphite_trans_bb_block): Same.
6879 (graphite_trans_bb_block): Print tentative of loop blocking.
6880 (graphite_trans_scop_block): Do not print that the loop has been
6882 (graphite_transform_loops): Do not handle scops that contain condition
6885 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6887 AVX Programming Reference (December, 2008)
6888 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6889 (_mm256_stream_pd): Likewise.
6890 (_mm256_stream_ps): Likewise.
6892 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6893 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6894 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6895 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6896 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6897 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6898 (ix86_expand_special_args_builtin): Likewise.
6900 * config/i386/sse.md (AVXMODEDI): New.
6901 (avx_movnt<mode>): Likewise.
6902 (avx_movnt<mode>): Likewise.
6903 (<sse>_movnt<mode>): Remove AVX support.
6904 (sse2_movntv2di): Likewise.
6906 2009-01-07 Richard Guenther <rguenther@suse.de>
6909 * fold-const.c (extract_muldiv): Remove obsolete comment.
6910 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6911 to PLUS_EXPR canonicalization for the canonicalization.
6913 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6915 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6916 hosted cross-compilers generating less efficient code.
6918 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6920 * function.h (rtl_data): Add a dbr_scheduled_p field.
6921 * reorg.c (dbr_schedule): Set it.
6922 (gate_handle_delay_slots): Check it.
6923 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6924 (mips_reorg): Check flag_delayed_branch instead of
6925 mips_base_delayed_branch.
6926 (mips_override_options): Don't set mips_base_delayed_branch
6927 or flag_delayed_branch.
6929 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6931 PR rtl-optimization/38426.
6932 * ira.c (ira): Set current_function_is_leaf earlier.
6934 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6936 PR rtl-optimization/38722
6937 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6938 too early, only set a flag and modify after last possible
6941 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6944 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6945 * real.c (decimal_single_format): Correct values of emin and emax.
6946 (decimal_double_format): Ditto.
6947 (decimal_quad_format): Ditto.
6948 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6949 computation of DECnn_MIN and DECnn_MAX for corrected values of
6950 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6951 __DECnn_MIN__, and adjust its computation for the corrected value
6954 2009-01-06 Jan Hubicka <jh@suse.cz>
6957 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6959 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6961 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6962 Add Robert Clark to the list of testers.
6964 2009-01-06 Jan Hubicka <jh@suse.cz>
6965 Kai Tietz <kai.tietz@onevision.com>
6967 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6968 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6970 2009-01-06 Jan Hubicka <jh@suse.cz>
6971 Kai Tietz <kai.tietz@onevision.com>
6973 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6975 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6976 (ix86_nsaved_regs): Count only general purpose regs.
6977 (ix86_nsaved_sseregs): New.
6978 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6979 to 16 for w64; compute padding and size of sse reg save area.
6980 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6981 general purpose regs.
6982 (ix86_emit_save_sse_regs_using_mov): New.
6983 (ix86_expand_prologue): Save SSE regs if needed.
6984 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6985 (ix86_emit_restore_sse_regs_using_mov): New.
6986 (ix86_expand_epilogue): Save SSE regs if needed.
6988 2009-01-06 Jan Hubicka <jh@suse.cz>
6989 Kai Tietz <kai.tietz@onevision.com>
6991 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6992 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6993 functions when accumulate outgoing args is off.
6995 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6998 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6999 before using pseudos_have_intersected_live_ranges_p.
7001 * ira-int.h (ira_assert): Always define.
7003 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
7005 AVX Programming Reference (December, 2008)
7006 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7007 (_mm256_permute2_pd): Likewise.
7008 (_mm_permute2_ps): Likewise.
7009 (_mm256_permute2_ps): Likewise.
7010 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7011 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7013 * config/i386/i386.c (ix86_builtins): Remove
7014 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7015 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7016 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7017 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7018 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7019 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7020 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7021 __builtin_ia32_vpermil2ps256.
7022 (ix86_init_mmx_sse_builtins): Updated.
7023 (ix86_expand_args_builtin): Likewise.
7025 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7027 * pa.c (output_call): Relocate non-jump insns in the delay slot of
7028 long absolute calls when generating PA 2.0 code.
7030 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
7032 PR rtl-optimization/38583
7033 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7035 * params.def (ira-max-conflict-table-size): New.
7037 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7039 * ira.h (ira_conflicts_p): New external definition.
7041 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7042 table. Report this. Return result of building.
7043 (ira_build_conflicts): Use ira_conflicts_p. Check result of
7044 building conflict table.
7046 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7047 (ira_color): Use ira_conflicts_p.
7049 * global.c: Include ira.h.
7050 (pseudo_for_reload_consideration_p, build_insn_chain): Use
7053 * Makefile.in (global.o): Add ira.h.
7055 * ira-build.c (mark_all_loops_for_removal,
7056 propagate_some_info_from_allocno): New.
7057 (remove_unnecessary_allocnos): Call
7058 propagate_some_info_from_allocno.
7059 (remove_low_level_allocnos): New.
7060 (remove_unnecessary_regions): Add parameter. Call
7061 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
7062 parameter to remove_unnecessary_regions.
7063 (ira_build): Remove all regions but root if the conflict table was
7064 not built. Update conflict hard regs for allocnos crossing calls.
7066 * ira.c (ira_conflicts_p): New global.
7067 (ira): Define and use ira_conflicts_p.
7069 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7070 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7071 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7073 2009-01-06 Ben Elliston <bje@au.ibm.com>
7075 * gengtype-lex.l (YY_NO_INPUT): Define.
7077 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
7080 * c-common.c (handle_vector_size_attribute): Also reject
7083 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
7085 PR tree-optimization/38492
7086 * graphite.c (rename_map_elt, debug_rename_elt,
7087 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7088 rename_map_elt_info, eq_rename_map_elts,
7089 get_new_name_from_old_name, bb_in_sese_p): Moved around.
7090 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7091 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7092 (sese_build_livein_liveouts): New.
7093 (new_sese, free_sese): New.
7094 (new_scop): Call new_sese.
7095 (free_scop): Call free_sese.
7096 (rename_variables_from_edge, rename_phis_end_scop): Removed.
7097 (register_old_new_names): Renamed register_old_and_new_names.
7098 (register_scop_liveout_renames, add_loop_exit_phis,
7099 insert_loop_close_phis, struct igp,
7100 default_liveout_before_guard, add_guard_exit_phis,
7101 insert_guard_phis, copy_renames): New.
7102 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7103 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7104 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7105 (scop_adjust_phis_for_liveouts): New.
7106 (gloog): Call scop_adjust_phis_for_liveouts.
7108 * graphite.h (struct sese): Documented. Added fields liveout,
7110 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7111 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7112 (struct scop): Added field liveout_renames.
7113 (SCOP_LIVEOUT_RENAMES): New.
7115 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7117 PR tree-optimization/38510
7118 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7119 (translate_clast): Call recompute_all_dominators before
7121 (gloog): Call recompute_all_dominators before graphite_verify.
7123 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7124 Jan Sjodin <jan.sjodin@amd.com>
7126 PR tree-optimization/38500
7127 * graphite.c (create_sese_edges): Call fix_loop_structure after
7130 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
7132 * config.gcc: Add m32r*-*-rtems*.
7133 * config/m32r/rtems.h: New file.
7135 2009-01-05 Ben Elliston <bje@au.ibm.com>
7137 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7138 (.po.pox): Likewise.
7139 (po/gcc.pot): Likewise.
7141 2009-01-04 David S. Miller <davem@davemloft.net>
7143 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7144 (STARTING_FRAME_OFFSET): Always set to zero.
7146 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7148 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7149 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7150 fixed-point types, and vectors of the same.
7152 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7154 * config/mips/sync.md (*mb_barrier): Rename to...
7155 (*memory_barrier): ...this.
7157 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
7159 * doc/extend.texi (Function Attributes): Move @cindex after @item
7160 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7161 and put in alphabetical order. Fix 'target' name and put in order.
7162 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7165 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
7167 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7168 (memory_barrier): Expand as unspec instead of unspec_volatile.
7169 Remove mem:BLK from insn operands. Use Pmode scratch register.
7170 (*memory_barrier): Define as unspec instead of unspec_volatile.
7171 Use (match_dup 0) as input operand.
7173 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7174 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7175 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
7176 scratch register. Remove operand 1.
7177 (*stbar): Define as unspec instead of unspec_volatile.
7178 Use (match_dup 0) as input operand, remove (const_int 8).
7179 (*membar): Define as unspec instead of unspec_volatile.
7180 Use (match_dup 0) as input operand, remove input operand 2.
7182 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7183 (memory_barrier): Expand as unspec instead of unspec_volatile.
7184 Remove mem:BLK from insn operands. Use Pmode scratch register.
7185 (*memory_barrier): Define as unspec instead of unspec_volatile.
7186 Use (match_dup 0) as input operand.
7188 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7189 Remove mem:BLK from insn operands. Use Pmode scratch register.
7190 Set volatile flag on operand 0.
7191 (*memory_barrier): New insn pattern.
7193 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7195 (*memory_barrier): Use (match_dup 0) as input operand.
7197 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7198 Remove mem:BLK from insn operands. Use Pmode scratch register.
7199 Set volatile flag on operand 0.
7200 (*mb_internal): New insn pattern.
7202 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7204 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7207 * function.c (struct temp_slot): Move to the section of the file
7208 that deals with temp slots. Remove field 'address'.
7209 (temp_slot_address_table): New hash table of address -> temp slot.
7210 (struct temp_slot_address_entry): New struct, items for the table.
7211 (temp_slot_address_compute_hash, temp_slot_address_hash,
7212 temp_slot_address_eq, insert_temp_slot_address): Support functions
7214 (find_temp_slot_from_address): Rewrite to use the new hash table.
7215 (remove_unused_temp_slot_addresses): Remove addresses of temp
7216 slots that have been made available.
7217 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7218 worker function for remove_unused_temp_slot_addresses.
7219 (assign_stack_temp_for_type): Don't clear the temp slot address list.
7220 Add the temp slot address to the address -> temp slot map.
7221 (update_temp_slot_address): Update via insert_temp_slot_address.
7222 (free_temp_slots): Call remove_unused_temp_slot_addresses.
7223 (pop_temp_slots): Likewise.
7224 (init_temp_slots): Allocate the address -> temp slot map, or empty
7225 the map if it is already allocated.
7226 (prepare_function_start): Initialize temp slot processing.
7228 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7231 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7232 Calculate the size of all stack vars assuming no packing of stack
7233 vars will happen, replacing a quadratic algorithm with a linear one.
7235 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7238 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7241 2009-01-03 Diego Novillo <dnovillo@google.com>
7243 * doc/contrib.texi: Update contributions.
7245 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7248 * builtins.c (fold_builtin_memory_op): Give up if either operand
7249 is volatile. Set srctype or desttype to non-qualified version
7253 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7256 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
7258 PR rtl-optimization/35805
7259 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7260 problem if fast dce is able to remove any instructions.
7261 * dce.c (dce_process_block): Fix dump message.
7263 2009-01-02 Mark Mitchell <mark@codesourcery.com>
7266 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7268 2009-01-02 Jakub Jelinek <jakub@redhat.com>
7271 * tree-flow.h (op_code_prio, op_prio): New prototypes.
7272 * tree-pretty-print.c (op_code_prio): New function.
7273 (op_prio): No longer static. Use op_code_prio.
7274 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7275 Use op_prio and op_code_prio to determine if () should be
7276 printed around operand(s) or not.
7278 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7279 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7280 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7281 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7282 pp_character instead of pp_string for single letter printing.
7284 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7286 * doc/extend.texi: Fix '#pragma GCC option' typo.
7288 2009-01-02 Richard Guenther <rguenther@suse.de>
7290 * doc/install.texi (--enable-checking): Mention different
7292 (--enable-stage1-checking): Document.
7294 2009-01-01 Andrew Pinski <pinskia@gmail.com>
7297 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
7298 case to be an error.
7300 2009-01-02 Ben Elliston <bje@au.ibm.com>
7302 * config/fp-bit.h (pack_d): Constify argument.
7303 * config/fp-bit.c (makenan): Constify return type. Remove casts.
7304 (isnan): Constify argument.
7308 (_fpadd_parts): Constify return type.
7309 (_fpmul_parts): Likewise.
7310 (_fpdiv_parts): Likewise.
7312 2009-01-01 Jakub Jelinek <jakub@redhat.com>
7315 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
7316 warn about overwriting initializer with side-effects or
7317 -Woverride-init if !IMPLICIT.
7318 (output_init_element): Likewise. Pass IMPLICIT down to
7320 (process_init_element): Add IMPLICIT argument. Pass it down
7321 to output_init_element.
7322 (push_init_element, pop_init_level, set_designator): Adjust
7323 process_init_element callers.
7324 (set_nonincremental_init, set_nonincremental_init_from_string):
7325 Adjust add_pending_init callers.
7326 (output_pending_init_elements): Adjust output_init_element callers.
7327 * c-tree.h (process_init_element): Adjust prototype.
7328 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7329 process_init_element callers.