1 2009-04-17 Richard Guenther <rguenther@suse.de>
3 * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4 for decl-vs-decl disambiguation.
6 2009-04-17 Andreas Krebbel <krebbel1@de.ibm.com>
8 * config/s390/s390.h (s390_tune_attr): New macro definition.
9 * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
11 2009-04-17 Richard Guenther <rguenther@suse.de>
13 * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
14 (fold_stmt_r): Likewise.
15 (maybe_fold_reference): New function.
16 (fold_gimple_assign): Handle cases fold_stmt_r did.
17 (fold_stmt): Do not use fold_stmt_r.
18 (fold_stmt_inplace): Likewise.
20 2009-04-17 Richard Guenther <rguenther@suse.de>
22 * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
23 (record_equivalences_from_stmt): Remove useless checks and
25 * tree-ssa-pre.c (eliminate): Avoid converting a constant if
26 the type is already suitable.
28 2009-04-17 Paolo Bonzini <bonzini@gnu.org>
30 * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
32 2009-04-17 Uros Bizjak <ubizjak@gmail.com>
34 * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
35 (CMPtype): Define as __gcc_CMPtype.
37 2009-04-17 Aurelien Jarno <aurelien@aurel32.net>
39 * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
40 for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
42 2009-04-17 Richard Guenther <rguenther@suse.de>
44 PR tree-optimization/39746
45 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
46 special-casing for builtins and static variable use/def.
47 (call_may_clobber_ref_p_1): Likewise.
49 2009-04-16 Ian Lance Taylor <iant@google.com>
51 * df.h: Include "timevar.h".
52 (struct df_problem): Change tv_id field to timevar_id_t.
53 * tree-pass.h: Include "timevar.h".
54 (struct opt_pass): Change tv_id field to timevar_id_t.
55 * timevar.h (timevar_id_t): Define TV_NONE.
56 * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
57 TV_NONE rather than tv_id != 0.
58 (execute_one_pass): Likewise.
59 * Makefile.in (DF_H): Add $(TIMEVAR_H).
60 (TREE_PASS_H): Define. Change all instances of tree-pass.h in
61 dependencies to $(TREE_PASS_H).
62 * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
64 (pass_branch_target_load_optimize2): Likewise.
65 * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
66 (pass_outof_cfg_layout_mode): Likewise.
67 * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
68 (pass_rebuild_cgraph_edges): Likewise.
69 (pass_remove_cgraph_callee_edges): Likewise.
70 * df-core.c (pass_df_initialize_opt): Likewise.
71 (pass_df_initialize_no_opt): Likewise.
72 (pass_df_finish): Likewise.
73 * emit-rtl.c (pass_unshare_all_rtl): Likewise.
74 * except.c (pass_set_nothrow_function_flags): Likewise.
75 (pass_convert_to_eh_region_ranges): Likewise.
76 * final.c (pass_compute_alignments): Likewise.
77 * function.c (pass_instantiate_virtual_regs): Likewise.
78 (pass_init_function): Likewise.
79 (pass_leaf_regs): Likewise.
80 (pass_match_asm_constraints): Likewise.
81 * gimple-low.c (pass_lower_cf): Likewise.
82 (pass_mark_used_blocks): Likewise.
83 * init-regs.c (pass_initialize_regs): Likewise.
84 * integrate.c (pass_initial_value_sets): Likewise.
85 * ira.c (pass_ira): Likewise.
86 * jump.c (pass_cleanup_barriers): Likewise.
87 * omp-low.c (pass_expand_omp): Likewise.
88 (pass_lower_omp): Likewise.
89 * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
90 * recog.c (pass_split_all_insns): Likewise.
91 (pass_split_after_reload): Likewise.
92 (pass_split_before_regstack): Likewise.
93 (pass_split_before_sched2): Likewise.
94 (pass_split_for_shorten_branches): Likewise.
95 * reginfo.c (pass_reginfo_init): Likewise.
96 (pass_subregs_of_mode_init): Likewise.
97 (pass_subregs_of_mode_finish): Likewise.
98 * passes.c (pass_postreload): Likewise.
99 * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
100 * tree-cfg.c (pass_remove_useless_stmts): Likewise.
101 (pass_warn_function_return): Likewise.
102 (pass_warn_function_noreturn): Likewise.
103 * tree-complex.c (pass_lower_complex): Likewise.
104 (pass_lower_complex_O0): Likewise.
105 * tree-if-conv.c (pass_if_conversion): Likewise.
106 * tree-into-ssa.c (pass_build_ssa): Likewise.
107 * tree-mudflap.c (pass_mudflap_1): Likewise.
108 (pass_mudflap_2): Likewise.
109 * tree-nomudflap.c (pass_mudflap_1): Likewise.
110 (pass_mudflap_2): Likewise.
111 * tree-nrv.c (pass_return_slot): Likewise.
112 * tree-object-size.c (pass_object_sizes): Likewise.
113 * tree-optimize.c (pass_all_optimizations): Likewise.
114 (pass_early_local_passes): Likewise.
115 (pass_all_early_optimizations): Likewise.
116 (pass_cleanup_cfg): Likewise.
117 (pass_cleanup_cfg_post_optimizing): Likewise.
118 (pass_free_datastructures): Likewise.
119 (pass_free_cfg_annotations): Likewise.
120 (pass_fixup_cfg): Likewise.
121 (pass_init_datastructures): Likewise.
122 * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
123 (pass_late_warn_uninitialized): Likewise.
124 (pass_update_address_taken): Likewise.
125 * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
126 * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
127 (pass_cse_sincos): Likewise.
128 (pass_convert_to_rsqrt): Likewise.
129 * tree-ssa-structalias.c (pass_build_alias): Likewise.
130 * tree-stdarg.c (pass_stdarg): Likewise.
131 * tree-tailcall.c (pass_tail_recursion): Likewise.
132 (pass_tail_calls): Likewise.
133 * tree-vect-generic.c (pass_lower_vector): Likewise.
134 (pass_lower_vector_ssa): Likewise.
135 * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
137 2009-04-16 Joseph Myers <joseph@codesourcery.com>
139 * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
141 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
143 * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
146 2009-04-16 Kaz Kojima <kkojima@gcc.gnu.org>
149 * config/sh/predicates.md (arith_operand): Check if the operand
150 of TRUNCATE is a REG.
152 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
154 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
155 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
157 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
159 * tree-iterator.c (tsi_split_statement_list_after,
160 tsi_split_statement_list_before): Remove.
161 * tree-iterator.h: Remove the prototypes for
162 tsi_split_statement_list_after and tsi_split_statement_list_before.
164 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
166 * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
167 * tree-ssa-propagate.h: Remove the prototype for
168 stmt_makes_single_load.
170 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
172 * emit-rtl.c (set_mem_attrs_from_reg): Remove.
173 * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
175 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
177 * tree-iterator.c (EXPR_LAST_BODY): Remove.
179 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
181 * except.c (eh_region_outer_p): Remove.
182 * except.h: Remove the prototype for eh_region_outer_p.
184 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
186 * function.c (current_function_assembler_name): Remove.
187 * function.h: Remove the prototype for
188 current_function_assembler_name.
190 2009-04-16 Ian Lance Taylor <iant@google.com>
192 * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
193 (add_reg_note): Call alloc_reg_note.
194 * rtl.h (alloc_reg_note): Declare.
195 * combine.c (try_combine): Use alloc_reg_note.
196 (recog_for_combine, move_deaths): Likewise.
197 (distribute_notes): Use alloc_reg_note and add_reg_note.
198 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
199 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
200 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
202 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
204 PR rtl-optimization/39762
205 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
206 ira_may_move_out_cost): Add comments about way of their usage.
207 (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
209 * ira-conflicts.c (process_regs_for_copy): Use function
210 ira_get_register_move_cost instead of global
211 ira_register_move_cost.
213 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
214 color_pass, move_spill_restore, update_curr_costs): Ditto.
216 * ira-lives.c (process_single_reg_class_operands): Ditto.
218 * ira-emit.c (emit_move_list): Ditto.
220 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
221 (record_reg_classes): Ditto. Use functions
222 ira_get_register_move_cost and ira_get_may_move_cost instead of
223 global vars ira_register_move_cost, ira_may_move_out_cost and
224 ira_may_move_in_cost.
225 (record_address_regs): Don't call ira_init_register_move_cost.
226 Use function ira_get_may_move_cost instead of global
227 ira_may_move_in_cost.
228 (process_bb_node_for_hard_reg_moves): Use function
229 ira_get_register_move_cost instead of global ira_register_move_cost.
230 (ira_costs): Don't call ira_init_register_move_cost.
232 2009-04-16 Richard Guenther <rguenther@suse.de>
234 * tree-cfg.c (verify_gimple_assign_binary):
235 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
236 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
237 (create_general_new_stmt): Note that this function is broken.
239 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
241 * common.opt (fhelp): Add Var(help_flag).
242 * gcc-plugin.h (plugin_info): Add help.
243 * plugin.c (plugin_name_args): Add help.
244 (register_plugin_info): Set plugin->help.
245 (print_help_one_plugin): New.
246 (print_plugins_help): New.
247 * plugin.h (print_plugins_help): New.
248 * toplev.c (toplev_main): Call print_plugins_help if needed.
250 2009-04-16 Richard Guenther <rguenther@suse.de>
252 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
253 (gimple_ior_addresses_taken_1): New function.
254 (gimple_ior_addresses_taken): Likewise.
255 * gimple.h (struct gimple_statement_with_ops_base): Remove
256 addresses_taken member.
257 (gimple_ior_addresses_taken): Declare.
258 (gimple_addresses_taken, gimple_addresses_taken_ptr,
259 gimple_set_addresses_taken): Remove.
260 * ipa-reference.c (mark_address): New function.
261 (scan_stmt_for_static_refs): Use it for marking addresses taken.
262 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
263 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
264 (gimple_add_to_addresses_taken): Remove.
265 (get_tmr_operands): Call mark_address_taken.
266 (get_asm_expr_operands): Likewise.
267 (get_expr_operands): Likewise.
268 (build_ssa_operands): Do not clear the addresses_taken bitmap.
269 (free_stmt_operands): Do not free it.
270 * tree-ssa.c (delete_tree_ssa): Likewise.
271 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
273 2009-04-16 Richard Guenther <rguenther@suse.de>
275 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
276 (walk_stmt_load_store_ops): Likewise.
277 * gimple.c (get_base_loadstore): New function.
278 (walk_stmt_load_store_addr_ops): Likewise.
279 (walk_stmt_load_store_ops): Likewise.
280 * ipa-pure-const.c (check_op): Simplify.
281 (check_load, check_store): New functions.
282 (check_stmt): Use walk_stmt_load_store_ops.
283 * ipa-reference.c (mark_load): Adjust signature.
284 (mark_store): Likewise.
285 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
287 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
289 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
291 * opts.c (common_handle_option): Don't call print_version.
292 * plugin.c (plugin_name_args): Add version.
293 (register_plugin_info): New.
294 (register_callback): Handle PLUGIN_INFO.
295 (try_init_one_plugin): New.
296 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
298 (finalize_one_plugin): New.
299 (finalize_plugins): New.
300 (print_one_plugin): New.
301 (print_plugins_versions): New.
302 * plugin.h (print_plugins_versions): New.
303 (finalize_plugins): New.
304 * toplev.c (compile_file): Don't call initialize_plugins.
305 (print_version): Call print_plugins_versions.
306 (toplev_main): Call initialize_plugins. Print version if needed.
307 Call finalize_plugins.
309 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
311 * common.opt (fversion): New.
312 * gcc.c (print_version): New.
313 (process_command): Don't print the version. Just set print_version.
314 (main): Print version. Call subprocesses if print_version and
315 verbose_flag are set.
316 * opts.c (common_handle_option): Handle OPT_fversion.
318 2009-04-16 Richard Guenther <rguenther@suse.de>
319 Ira Rosen <irar@il.ibm.com>
321 PR tree-optimization/39698
322 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
323 type of the reduction variable. Only generate the def if
326 * omp-low.c (expand_omp_for_generic): When converting to a pointer
327 make sure to first convert to an integer of the same precision.
328 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
329 the type of the evolution correctly in computing the new
330 induction variable base.
332 2009-04-16 Richard Guenther <rguenther@suse.de>
335 * tree-cfg.c (make_blocks): Split statements with to-be
336 abnormal SSA names on the lhs.
338 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
340 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
341 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
342 * c-typeck.c (really_start_incremental_init): Likewise.
343 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
344 (TARGET_INITIALIZER): Remove it.
345 * target.h (struct target): Remove vector_opaque_p.
346 * tree.c (build_opaque_vector_type): New.
347 * tree.h (TYPE_VECTOR_OPAQUE): New.
348 (build_opaque_vector_type): Declare.
349 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
350 * config/rs6000/rs6000.c (build_opaque_vector_type,
351 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
352 (rs6000_init_builtins): Use build_opaque_vector_type for
353 opaque_V4SI_type_node.
355 2009-04-15 Catherine Moore <clm@codesourcery.com>
357 * debug.h (set_name): Declare.
358 * dwarf2out.c (dwarf2out_set_name): Declare.
359 (dwarf2_debug_hooks): Add set_name.
360 (find_AT_string): New.
361 (add_AT_string): Call find_AT_string.
362 (dwarf2out_set_name): New.
363 * cp/decl.c (grokdeclarator): Call set_name.
364 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
365 * debug.c (do_nothing_debug_hooks): Likewise.
366 * dbxout.c (dbx_debug_hooks): Likewise.
367 * sdbout.c (sdb_debug_hooks): Likewise.
369 2009-04-15 Michael Eager <eager@eagercon.com>
371 * config/rs6000/rs6000.c (rs6000_function_value): Set function return
372 reg for single-precision FPU.
373 * config/rs6000/rs6000.md (movsi_internal1): Only for
375 (movsi_internal1_single): New. Add pattern to move SI values to/from
376 single-precision FP regs.
378 2009-04-15 Richard Guenther <rguenther@suse.de>
380 * omp-low.c (lower_rec_input_clauses): Build correct address
382 (expand_omp_for_generic): Fix multiplication type.
383 * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
384 (generate_memset_zero): Fix types.
385 * tree-profile.c (prepare_instrumented_value): Correctly
388 2009-04-15 Ian Lance Taylor <iant@google.com>
390 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
391 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
392 for -Wall and for -Wc++-compat.
393 (c_common_post_options): For C++, set warn_enum_compare if not
395 * c-tree.h (struct c_expr): Add field original_type.
396 (build_external_ref): Update declaration.
397 * c-parser.c (c_parser_braced_init): Set original_type.
398 (c_parser_initelt): Likewise.
399 (c_parser_expr_no_commas): Likewise.
400 (c_parser_conditional_expression): Likewise.
401 (c_parser_cast_expression): Likewise.
402 (c_parser_unary_expression): Likewise. Pull setting of
403 original_code to top of function.
404 (c_parser_sizeof_expression): Set original_type.
405 (c_parser_alignof_expression): Likewise.
406 (c_parser_postfix_expression): Likewise. Pull setting of
407 original_code to top of function.
408 (c_parser_postfix_expression_after_paren_type): Set original_type.
409 (c_parser_postfix_expression_after_primary): Likewise.
410 (c_parser_expression): Likewise.
411 * c-typeck.c (build_external_ref): Add type parameter. Change all
413 (c_expr_sizeof_expr): Set original_type field.
414 (parser_build_unary_op): Likewise.
415 (parser_build_binary_op): Likewise. Optionally warn about
416 comparisons of enums of different types.
417 (digest_init): Set original_type field.
418 (really_start_incremental_init): Likewise.
419 (push_init_level, pop_init_level): Likewise.
420 * doc/invoke.texi (Warning Options): -Wenum-compare now
423 2009-04-15 Richard Guenther <rguenther@suse.de>
425 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
426 out a necessary conversion.
427 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
428 names we didn't value number.
429 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
431 2009-04-15 Richard Guenther <rguenther@suse.de>
433 PR tree-optimization/39764
434 * tree-ssa-ccp.c (get_value): Canonicalize value with
435 canonicalize_float_value.
437 2009-04-15 Jan Hubicka <jh@suse.cz>
439 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
440 Wrong version of patch.
442 2009-04-15 Jan Hubicka <jh@suse.cz>
444 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
446 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
448 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
449 our distinct integral and vector types.
451 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
453 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
454 * init.c (build_vtbl_address): Remove call to assemble_external.
456 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
458 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
459 output for other floating point modes.
461 2009-04-14 Diego Novillo <dnovillo@google.com>
463 * diagnostic.c (diagnostic_report_diagnostic): Do not
464 warn about loaded plugins for DK_ERROR and DK_WARNING.
465 * c-decl.c (declspecs_add_type): Move call to
466 invoke_plugin_callbacks ...
467 * c-parser.c (c_parser_declspecs): ... here.
468 * plugin.c (dump_active_plugins): Tidy output.
470 2009-04-14 Diego Novillo <dnovillo@google.com>
471 Le-Chun Wu <lcwu@google.com>
473 * configure.ac: Add --enable-plugin support.
474 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
475 * Makefile.in (PLUGIN_H): Define.
476 Export ENABLE_PLUGIN and GMPINC to site.exp.
477 Add PLUGINLIBS to link command.
478 Add/modify dependencies for plugin.o and files including plugin.h.
480 * config.in: Regenerate.
482 * opts.c (common_handle_option): Handle OPT_fplugin_ and
485 2009-04-14 Le-Chun Wu <lcwu@google.com>
487 * tree-pass.h (register_one_dump_file): Add a prototype for
488 register_one_dump_file.
489 * toplev.c (compile_file): Call initialize_plugins.
490 (do_compile): Call invoke_plugin_callbacks.
491 (toplev_main): Call invoke_plugin_callbacks.
492 * common.opt: Add -fplugin= and -fplugin-arg-.
493 * gcc-plugin.h: New public header file for plugins to include.
494 * plugin.c: New source file.
495 * plugin.h: New internal header file.
496 * passes.c (register_one_dump_file): Make it external.
498 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
500 2009-04-14 Diego Novillo <dnovillo@google.com>
502 * doc/plugins.texi: New.
503 * doc/gccint.texi: Add reference to Plugins chapter.
504 * doc/invoke.texi: Document -fplugin and -fplugin-arg
505 * diagnostic.c (diagnostic_report_diagnostic): Warn about
506 loaded plugins, if any.
507 * timevar.def (TV_PLUGIN_INIT): Define.
508 (TV_PLUGIN_RUN): Define.
509 * plugin.c: Include timevar.h
510 (plugins_active_p): New.
511 (dump_active_plugins): New.
512 (debug_active_plugins): New.
514 2009-04-14 Joseph Myers <joseph@codesourcery.com>
516 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
518 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
520 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
522 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
523 the same as a minus without a shift.
525 2009-04-14 Nick Clifton <nickc@redhat.com>
527 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
528 comparisons with small integers will always produce a short
531 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
534 2008-12-19 Diego Novillo <dnovillo@google.com>
536 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
538 2000-04-14 Richard Guenther <rguenther@suse.de>
540 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
542 (verify_gimple_assign_binary): Likewise. Handle shifts and
544 (verify_gimple_phi): Print the mismatched argument position.
545 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
547 (vect_update_init_of_dr): Likewise.
548 * matrix-reorg.c (transform_access_sites): Do what the
550 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
552 2009-04-13 Michael Eager <eager@eagercon.com>
554 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
555 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
556 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
557 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
558 remove duplicate config
560 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
562 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
563 file_name:line_number type locator of the call site.
565 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
567 * genautomata.c: Put blank after comma.
568 (automaton_decls): New.
569 (struct unit_usage): Add comments to member next.
570 (store_alt_unit_usage): Keep the list ordered.
571 (unit_present_on_list_p, equal_alternatives_p): New.
572 (check_regexp_units_distribution): Check units distribution
573 correctness correctly.
574 (main): Don't write automata if error is found. Return correct
577 * config/m68k/cf.md (cfv4_ds): Remove.
578 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
579 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
581 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
582 power4-load-ext, power4-store, power4-store-update,
583 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
584 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
585 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
586 power4-sqrt, power4-isync): Modify reservation to make correct
587 unit distribution to automata.
589 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
590 power5-store-update, power5-two, power5-three, power5-lmul,
591 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
593 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
595 * except.c (pass_set_nothrow_function_flags): Set name and add
597 (set_nothrow_function_flags): Mention in the dump file when
598 changing a function to nothrow.
600 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
603 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
604 instead of unsigned long.
606 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
608 * config/arm/arm.c (return_used_this_function): Remove.
609 (arm_output_function_prologue): Remove use of
610 return_used_this_function.
611 (output_return_instruction): Replace use of
612 return_used_this_function
613 by cfun->machine->return_used_this_function.
614 (arm_output_epilogue): Likewise.
615 (arm_output_function_epilogue): Likewise.
616 (thumb_unexpanded_epilogue): Likewise.
617 * config/arm/arm.h (struct machine_function):
618 New member return_used_this_function.
620 2009-04-12 Mark Mitchell <mark@codesourcery.com>
622 * doc/install.texi: Correct description of default directory for
623 --with-gxx-include-dir.
625 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
627 * fold-const.c (build_range_check): Properly deal with enumeral and
630 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
632 * doc/invoke.texi (max_gcse_passes): Remove documentation.
633 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
634 * params.h (MAX_GCSE_PASSES): Remove.
635 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
636 in sequence. Remove ability to run multiple passes.
637 (bypass_jumps): Report run as third CPROP pass.
639 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
642 * except.c (can_throw_external): Look at each insn in a SEQUENCE
643 when deciding whether the whole SEQUENCE can throw.
645 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
648 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
649 offseted label references.
651 2009-04-11 Jan Hubicka <jh@suse.cz>
653 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
655 2009-04-11 Richard Guenther <rguenther@suse.de>
658 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
659 return variables as TREE_ADDRESSABLE.
661 2009-04-11 Richard Guenther <rguenther@suse.de>
663 PR tree-optimization/39713
664 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
665 reference trees have SSA_NAME operands.
667 2009-04-11 Richard Guenther <rguenther@suse.de>
670 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
673 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
675 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
676 match changes in Cygwin 1.7
677 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
678 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
680 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
682 PR tree-optimization/39701
683 * doc/invoke.texi (Optimization Options): Document change in
684 meaning and initialization of -fdelete-null-pointer-checks.
686 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
689 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
691 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
694 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
696 2009-04-10 Chao-ying Fu <fu@mips.com>
698 * doc/tm.texi (Instruction Output): Document
699 TARGET_ASM_FINAL_POSTSCAN_INSN.
700 * target.h (final_postscan_insn): New field in asm_out.
701 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
702 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
703 * final.c (final_scan_insn): Call
704 targetm.asm_out.final_postscan_insn after outputting
705 an asm macro and a normal instruction.
707 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
708 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
709 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
710 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
711 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
713 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
716 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
717 variables as non-NULL even with -fdelete-null-pointer-checks.
719 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
721 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
723 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
726 * config/i386/i386.c (classify_argument): Handle SCmode with
727 (bit_offset % 64) != 0.
729 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
731 * doc/invoke.texi (Optimize Options): Add cross-reference to
732 -Q --help=optimizers examples.
734 2009-04-10 Ben Elliston <bje@au.ibm.com>
737 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
738 regalign for the reg == fpr and TDmode case.
740 2009-04-09 David Ayers <ayers@fsfe.org>
743 * objc/objc-act.c (warn_with_method): Remove helper function.
744 (check_duplicates): Call warning and inform directly.
745 (really_start_method): Likewise.
747 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
749 * expmed.c (expand_divmod): Always use a comparison for a division
750 by a large unsigned integer.
752 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
753 for things others than variables or functions as nonzero.
755 2009-04-09 Nick Clifton <nickc@redhat.com>
757 * unwind-compat.c: Change copyright header to refer to version
758 3 of the GNU General Public License with version 3.1 of the
759 GCC Runtime Library Exception and to point readers at the
760 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
761 * config/alpha/crtfastmath.c: Likewise.
762 * config/alpha/linux-unwind.h: Likewise.
763 * config/alpha/qrnnd.asm: Likewise.
764 * config/alpha/vms-crt0-64.c: Likewise.
765 * config/alpha/vms-crt0.c: Likewise.
766 * config/alpha/vms-dwarf2.asm: Likewise.
767 * config/alpha/vms-dwarf2eh.asm: Likewise.
768 * config/alpha/vms-psxcrt0-64.c: Likewise.
769 * config/alpha/vms-psxcrt0.c: Likewise.
770 * config/alpha/vms_tramp.asm: Likewise.
771 * config/arc/initfini.c: Likewise.
772 * config/arc/lib1funcs.asm: Likewise.
773 * config/arm/bpabi-v6m.S: Likewise.
774 * config/arm/bpabi.S: Likewise.
775 * config/arm/bpabi.c: Likewise.
776 * config/arm/crti.asm: Likewise.
777 * config/arm/crtn.asm: Likewise.
778 * config/arm/ieee754-df.S: Likewise.
779 * config/arm/ieee754-sf.S: Likewise.
780 * config/arm/lib1funcs.asm: Likewise.
781 * config/arm/libunwind.S: Likewise.
782 * config/arm/linux-atomic.c: Likewise.
783 * config/arm/mmintrin.h: Likewise.
784 * config/arm/pr-support.c: Likewise.
785 * config/arm/unaligned-funcs.c: Likewise.
786 * config/arm/unwind-arm.c: Likewise.
787 * config/arm/unwind-arm.h: Likewise.
788 * config/avr/libgcc.S: Likewise.
789 * config/bfin/crti.s: Likewise.
790 * config/bfin/crtlibid.s: Likewise.
791 * config/bfin/crtn.s: Likewise.
792 * config/bfin/lib1funcs.asm: Likewise.
793 * config/bfin/linux-unwind.h: Likewise.
794 * config/cris/arit.c: Likewise.
795 * config/cris/cris_abi_symbol.c: Likewise.
796 * config/darwin-64.c: Likewise.
797 * config/darwin-crt2.c: Likewise.
798 * config/darwin-crt3.c: Likewise.
799 * config/darwin.h: Likewise.
800 * config/dbxelf.h: Likewise.
801 * config/dfp-bit.c: Likewise.
802 * config/dfp-bit.h: Likewise.
803 * config/elfos.h: Likewise.
804 * config/fixed-bit.c: Likewise.
805 * config/fixed-bit.h: Likewise.
806 * config/fp-bit.c: Likewise.
807 * config/fp-bit.h: Likewise.
808 * config/fr30/crti.asm: Likewise.
809 * config/fr30/crtn.asm: Likewise.
810 * config/fr30/lib1funcs.asm: Likewise.
811 * config/freebsd-spec.h: Likewise.
812 * config/frv/cmovd.c: Likewise.
813 * config/frv/cmovh.c: Likewise.
814 * config/frv/cmovw.c: Likewise.
815 * config/frv/frvbegin.c: Likewise.
816 * config/frv/frvend.c: Likewise.
817 * config/frv/lib1funcs.asm: Likewise.
818 * config/glibc-stdint.h: Likewise.
819 * config/h8300/clzhi2.c: Likewise.
820 * config/h8300/crti.asm: Likewise.
821 * config/h8300/crtn.asm: Likewise.
822 * config/h8300/ctzhi2.c: Likewise.
823 * config/h8300/fixunssfsi.c: Likewise.
824 * config/h8300/lib1funcs.asm: Likewise.
825 * config/h8300/parityhi2.c: Likewise.
826 * config/h8300/popcounthi2.c: Likewise.
827 * config/i386/ammintrin.h: Likewise.
828 * config/i386/att.h: Likewise.
829 * config/i386/avxintrin.h: Likewise.
830 * config/i386/biarch64.h: Likewise.
831 * config/i386/bmmintrin.h: Likewise.
832 * config/i386/cpuid.h: Likewise.
833 * config/i386/cross-stdarg.h: Likewise.
834 * config/i386/crtfastmath.c: Likewise.
835 * config/i386/crtprec.c: Likewise.
836 * config/i386/cygming-crtbegin.c: Likewise.
837 * config/i386/cygming-crtend.c: Likewise.
838 * config/i386/cygwin.asm: Likewise.
839 * config/i386/emmintrin.h: Likewise.
840 * config/i386/gmm_malloc.h: Likewise.
841 * config/i386/gthr-win32.c: Likewise.
842 * config/i386/i386.h: Likewise.
843 * config/i386/immintrin.h: Likewise.
844 * config/i386/linux-unwind.h: Likewise.
845 * config/i386/linux64.h: Likewise.
846 * config/i386/mm3dnow.h: Likewise.
847 * config/i386/mmintrin-common.h: Likewise.
848 * config/i386/mmintrin.h: Likewise.
849 * config/i386/nmmintrin.h: Likewise.
850 * config/i386/pmm_malloc.h: Likewise.
851 * config/i386/pmmintrin.h: Likewise.
852 * config/i386/smmintrin.h: Likewise.
853 * config/i386/sol2-c1.asm: Likewise.
854 * config/i386/sol2-ci.asm: Likewise.
855 * config/i386/sol2-cn.asm: Likewise.
856 * config/i386/sol2-gc1.asm: Likewise.
857 * config/i386/tmmintrin.h: Likewise.
858 * config/i386/unix.h: Likewise.
859 * config/i386/w32-unwind.h: Likewise.
860 * config/i386/wmmintrin.h: Likewise.
861 * config/i386/x86-64.h: Likewise.
862 * config/i386/x86intrin.h: Likewise.
863 * config/i386/xmmintrin.h: Likewise.
864 * config/ia64/crtbegin.asm: Likewise.
865 * config/ia64/crtend.asm: Likewise.
866 * config/ia64/crtfastmath.c: Likewise.
867 * config/ia64/crti.asm: Likewise.
868 * config/ia64/crtn.asm: Likewise.
869 * config/ia64/fde-glibc.c: Likewise.
870 * config/ia64/lib1funcs.asm: Likewise.
871 * config/ia64/linux-unwind.h: Likewise.
872 * config/ia64/quadlib.c: Likewise.
873 * config/ia64/unwind-ia64.c: Likewise.
874 * config/linux.h: Likewise.
875 * config/m32c/m32c-lib1.S: Likewise.
876 * config/m32c/m32c-lib2-trapv.c: Likewise.
877 * config/m32c/m32c-lib2.c: Likewise.
878 * config/m32r/initfini.c: Likewise.
879 * config/m68hc11/larith.asm: Likewise.
880 * config/m68hc11/m68hc11-crt0.S: Likewise.
881 * config/m68k/cf.md: Likewise.
882 * config/m68k/crti.s: Likewise.
883 * config/m68k/crtn.s: Likewise.
884 * config/m68k/lb1sf68.asm: Likewise.
885 * config/m68k/linux-unwind.h: Likewise.
886 * config/mcore/crti.asm: Likewise.
887 * config/mcore/crtn.asm: Likewise.
888 * config/mcore/lib1.asm: Likewise.
889 * config/mips/linux-unwind.h: Likewise.
890 * config/mips/loongson.h: Likewise.
891 * config/mips/mips16.S: Likewise.
892 * config/mmix/crti.asm: Likewise.
893 * config/mmix/crtn.asm: Likewise.
894 * config/pa/fptr.c: Likewise.
895 * config/pa/hpux-unwind.h: Likewise.
896 * config/pa/lib2funcs.asm: Likewise.
897 * config/pa/linux-atomic.c: Likewise.
898 * config/pa/linux-unwind.h: Likewise.
899 * config/pa/milli64.S: Likewise.
900 * config/pa/quadlib.c: Likewise.
901 * config/pa/stublib.c: Likewise.
902 * config/picochip/libgccExtras/adddi3.asm: Likewise.
903 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
904 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
905 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
906 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
907 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
908 * config/picochip/libgccExtras/divmod15.asm: Likewise.
909 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
910 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
911 * config/picochip/libgccExtras/longjmp.asm: Likewise.
912 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
913 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
914 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
915 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
916 * config/picochip/libgccExtras/setjmp.asm: Likewise.
917 * config/picochip/libgccExtras/subdi3.asm: Likewise.
918 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
919 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
920 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
921 * config/rs6000/750cl.h: Likewise.
922 * config/rs6000/altivec.h: Likewise.
923 * config/rs6000/biarch64.h: Likewise.
924 * config/rs6000/crtresfpr.asm: Likewise.
925 * config/rs6000/crtresgpr.asm: Likewise.
926 * config/rs6000/crtresxfpr.asm: Likewise.
927 * config/rs6000/crtresxgpr.asm: Likewise.
928 * config/rs6000/crtsavfpr.asm: Likewise.
929 * config/rs6000/crtsavgpr.asm: Likewise.
930 * config/rs6000/darwin-asm.h: Likewise.
931 * config/rs6000/darwin-fallback.c: Likewise.
932 * config/rs6000/darwin-fpsave.asm: Likewise.
933 * config/rs6000/darwin-ldouble.c: Likewise.
934 * config/rs6000/darwin-tramp.asm: Likewise.
935 * config/rs6000/darwin-unwind.h: Likewise.
936 * config/rs6000/darwin-vecsave.asm: Likewise.
937 * config/rs6000/darwin-world.asm: Likewise.
938 * config/rs6000/e500crtres32gpr.asm: Likewise.
939 * config/rs6000/e500crtres64gpr.asm: Likewise.
940 * config/rs6000/e500crtres64gprctr.asm: Likewise.
941 * config/rs6000/e500crtrest32gpr.asm: Likewise.
942 * config/rs6000/e500crtrest64gpr.asm: Likewise.
943 * config/rs6000/e500crtresx32gpr.asm: Likewise.
944 * config/rs6000/e500crtresx64gpr.asm: Likewise.
945 * config/rs6000/e500crtsav32gpr.asm: Likewise.
946 * config/rs6000/e500crtsav64gpr.asm: Likewise.
947 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
948 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
949 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
950 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
951 * config/rs6000/eabi-ci.asm: Likewise.
952 * config/rs6000/eabi-cn.asm: Likewise.
953 * config/rs6000/eabi.asm: Likewise.
954 * config/rs6000/linux-unwind.h: Likewise.
955 * config/rs6000/linux64.h: Likewise.
956 * config/rs6000/paired.h: Likewise.
957 * config/rs6000/paired.md: Likewise.
958 * config/rs6000/ppc64-fp.c: Likewise.
959 * config/rs6000/ppu_intrinsics.h: Likewise.
960 * config/rs6000/rs6000.h: Likewise.
961 * config/rs6000/si2vmx.h: Likewise.
962 * config/rs6000/sol-ci.asm: Likewise.
963 * config/rs6000/sol-cn.asm: Likewise.
964 * config/rs6000/spe.h: Likewise.
965 * config/rs6000/spu2vmx.h: Likewise.
966 * config/rs6000/sysv4.h: Likewise.
967 * config/rs6000/tramp.asm: Likewise.
968 * config/rs6000/vec_types.h: Likewise.
969 * config/s390/linux-unwind.h: Likewise.
970 * config/s390/tpf-unwind.h: Likewise.
971 * config/score/crti.asm: Likewise.
972 * config/score/crtn.asm: Likewise.
973 * config/sh/crt1.asm: Likewise.
974 * config/sh/crti.asm: Likewise.
975 * config/sh/crtn.asm: Likewise.
976 * config/sh/divtab-sh4-300.c: Likewise.
977 * config/sh/divtab-sh4.c: Likewise.
978 * config/sh/divtab.c: Likewise.
979 * config/sh/lib1funcs-4-300.asm: Likewise.
980 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
981 * config/sh/lib1funcs.asm: Likewise.
982 * config/sh/lib1funcs.h: Likewise.
983 * config/sh/linux-atomic.asm: Likewise.
984 * config/sh/linux-unwind.h: Likewise.
985 * config/sh/shmedia.h: Likewise.
986 * config/sh/sshmedia.h: Likewise.
987 * config/sh/ushmedia.h: Likewise.
988 * config/sparc/crtfastmath.c: Likewise.
989 * config/sparc/linux-unwind.h: Likewise.
990 * config/sparc/sol2-c1.asm: Likewise.
991 * config/sparc/sol2-ci.asm: Likewise.
992 * config/sparc/sol2-cn.asm: Likewise.
993 * config/spu/divmodti4.c: Likewise.
994 * config/spu/divv2df3.c: Likewise.
995 * config/spu/float_disf.c: Likewise.
996 * config/spu/float_unsdidf.c: Likewise.
997 * config/spu/float_unsdisf.c: Likewise.
998 * config/spu/float_unssidf.c: Likewise.
999 * config/spu/mfc_multi_tag_release.c: Likewise.
1000 * config/spu/mfc_multi_tag_reserve.c: Likewise.
1001 * config/spu/mfc_tag_release.c: Likewise.
1002 * config/spu/mfc_tag_reserve.c: Likewise.
1003 * config/spu/mfc_tag_table.c: Likewise.
1004 * config/spu/multi3.c: Likewise.
1005 * config/spu/spu_internals.h: Likewise.
1006 * config/spu/spu_intrinsics.h: Likewise.
1007 * config/spu/spu_mfcio.h: Likewise.
1008 * config/spu/vec_types.h: Likewise.
1009 * config/spu/vmx2spu.h: Likewise.
1010 * config/stormy16/stormy16-lib2.c: Likewise.
1011 * config/svr4.h: Likewise.
1012 * config/sync.c: Likewise.
1013 * config/v850/lib1funcs.asm: Likewise.
1014 * config/vxlib-tls.c: Likewise.
1015 * config/vxlib.c: Likewise.
1016 * config/vxworks-dummy.h: Likewise.
1017 * config/xtensa/crti.asm: Likewise.
1018 * config/xtensa/crtn.asm: Likewise.
1019 * config/xtensa/ieee754-df.S: Likewise.
1020 * config/xtensa/ieee754-sf.S: Likewise.
1021 * config/xtensa/lib1funcs.asm: Likewise.
1022 * config/xtensa/lib2funcs.S: Likewise.
1023 * config/xtensa/linux-unwind.h: Likewise.
1024 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1025 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1026 * coretypes.h: Likewise.
1027 * crtstuff.c: Likewise.
1028 * defaults.h: Likewise.
1029 * dwarf2.h: Likewise.
1030 * emutls.c: Likewise.
1031 * gbl-ctors.h: Likewise.
1032 * gcov-io.h: Likewise.
1033 * ginclude/float.h: Likewise.
1034 * ginclude/iso646.h: Likewise.
1035 * ginclude/stdarg.h: Likewise.
1036 * ginclude/stdbool.h: Likewise.
1037 * ginclude/stddef.h: Likewise.
1038 * ginclude/stdfix.h: Likewise.
1039 * ginclude/stdint-gcc.h: Likewise.
1040 * ginclude/tgmath.h: Likewise.
1041 * gthr-aix.h: Likewise.
1042 * gthr-dce.h: Likewise.
1043 * gthr-gnat.c: Likewise.
1044 * gthr-gnat.h: Likewise.
1045 * gthr-lynx.h: Likewise.
1046 * gthr-mipssde.h: Likewise.
1047 * gthr-nks.h: Likewise.
1048 * gthr-posix.c: Likewise.
1049 * gthr-posix.h: Likewise.
1050 * gthr-posix95.h: Likewise.
1051 * gthr-rtems.h: Likewise.
1052 * gthr-single.h: Likewise.
1053 * gthr-solaris.h: Likewise.
1054 * gthr-tpf.h: Likewise.
1055 * gthr-vxworks.h: Likewise.
1056 * gthr-win32.h: Likewise.
1058 * libgcc2.c: Likewise.
1059 * libgcc2.h: Likewise.
1060 * libgcov.c: Likewise.
1061 * tsystem.h: Likewise.
1062 * typeclass.h: Likewise.
1063 * unwind-c.c: Likewise.
1064 * unwind-compat.h: Likewise.
1065 * unwind-dw2-fde-compat.c: Likewise.
1066 * unwind-dw2-fde-darwin.c: Likewise.
1067 * unwind-dw2-fde-glibc.c: Likewise.
1068 * unwind-dw2-fde.c: Likewise.
1069 * unwind-dw2-fde.h: Likewise.
1070 * unwind-dw2.c: Likewise.
1071 * unwind-dw2.h: Likewise.
1072 * unwind-generic.h: Likewise.
1073 * unwind-pe.h: Likewise.
1074 * unwind-sjlj.c: Likewise.
1075 * unwind.inc: Likewise.
1076 * config/arm/neon-gen.ml: Change generated copyright header to
1077 refer to version 3 of the GNU General Public License with
1078 version 3.1 of the GCC Runtime Library Exception and to point
1079 readers at the COPYING3 and COPYING3.RUNTIME files and the
1080 FSF's license web page.
1081 * config/arm/arm_neon.h: Regenerate.
1083 2009-04-09 Jakub Jelinek <jakub@redhat.com>
1085 * config/cris/cris.md: Change copyright header to refer to version
1086 3 of the GNU General Public License.
1087 * doc/install.texi2html: Change copyright header to refer to version
1088 3 of the GNU General Public License and to point readers at the
1089 COPYING3 file and the FSF's license web page.
1090 * config/vax/linux.h: Likewise.
1092 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
1094 * config/i386/i386.md (cmpcc): New.
1095 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1096 (sync_compare_and_swap_cc*): Delete.
1098 * config/s390/s390.c (s390_compare_emitted): Remove.
1099 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1100 s390_compare_emitted used to be handled. Assert that modes match.
1101 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1102 refer to sync_compare_and_swap_ccsi.
1103 * config/s390/s390.h (s390_compare_emitted): Remove.
1104 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1105 instead of s390_compare_emitted.
1106 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1107 instead of s390_compare_emitted.
1108 * config/s390/s390.md (cmpcc): New.
1109 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1110 CC_REGNUM, do not pretend it's set.
1111 (sync_compare_and_swap_cc*): Delete.
1112 * config/s390/predicates.md (cc_reg_operand): New.
1114 * expr.c (sync_compare_and_swap_cc): Delete.
1115 * optabs.h (sync_compare_and_swap_cc): Delete.
1116 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1117 is being used with can_compare_p.
1118 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1120 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1121 look for a MODE_CC set instead. Use emit_store_flag.
1122 (expand_compare_and_swap_loop): Likewise, with some additional
1123 complication to avoid a force_reg when useless. Use
1124 emit_cmp_and_jump_insns.
1125 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1126 * doc/md.texi (sync_compare_and_swap_cc): Merge with
1127 sync_compare_and_swap documentation.
1129 2009-04-09 Jan Hubicka <jh@suse.cz>
1131 * except.c (find_prev_try): Break out from ....
1132 (duplicate_eh_regions): ... here; properly update prev_try pointers
1133 when duplication part of tree.
1134 (dump_eh_tree): Improve dumping.
1135 (verify_eh_region): New.
1136 (verify_eh_tree): Use it.
1138 2009-04-06 Richard Guenther <rguenther@suse.de>
1140 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1141 &ARRAY addresses by adjusting their types and prepending
1143 * tree-cfg.c (verify_gimple_assign_single): Verify that
1144 addresses are correct.
1146 2009-04-09 Richard Guenther <rguenther@suse.de>
1148 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1149 indices into an array reference if possible.
1150 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1151 Fold POINTER_PLUS_EXPR statements with invariant address.
1153 2009-04-09 Alan Modra <amodra@bigpond.net.au>
1156 * config.gcc (powerpc64-*-linux*): Always build biarch.
1158 2009-04-09 Joseph Myers <joseph@codesourcery.com>
1161 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1162 it and pedwarn if this results in an INTEGER_CST.
1164 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1166 * doc/install.texi: Update minimum GMP version. Remove obsolete
1167 text in MPFR section.
1169 2009-04-08 Jakub Jelinek <jakub@redhat.com>
1171 * dwarf2out.c (class_scope_p): New static inline.
1172 (class_or_namespace_scope_p): Use it.
1173 (gen_variable_die): Use DW_TAG_member tag for static data member
1174 declarations instead of DW_TAG_variable.
1177 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1180 2009-04-08 Richard Guenther <rguenther@suse.de>
1182 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1183 valueize random data.
1185 2009-04-08 David Edelsohn <edelsohn@gnu.org>
1187 * config.gcc (aix tm_file): Add aix-stdint.h.
1188 (aix tm clause use_gcc_stdint): Set to wrap.
1189 * config/rs6000/aix-stdint.h: New file.
1191 2009-04-08 Richard Guenther <rguenther@suse.de>
1194 * tree-dfa.c (add_referenced_var): Do not recurse into
1195 global initializers.
1196 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1198 (fold_const_aggregate_ref): Likewise.
1200 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1202 * recog.c (ordered_comparison_operator): New.
1203 * gensupport.c (std_preds): Add it.
1204 * doc/md.texi (Machine-Independent Predicates): Document it.
1206 2009-04-08 Jan Hubicka <jh@suse.cz>
1208 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1209 * function.h (rtl_eh): Remove exception_handler_label_map.
1210 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1211 remove_exception_handler_label, for_each_eh_label_1): Remove.
1212 (rtl_remove_unreachable_regions): Remove.
1213 (convert_from_eh_region_ranges): Do not remove unreachable regions.
1214 (find_exception_handler_labels): Don't build the hashtable.
1215 (maybe_remove_eh_handler): Remove.
1216 (for_each_eh_label): Rewrite to walk the tree.
1217 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1218 * except.h (maybe_remove_eh_handler): Remove.
1219 * passes.c (init_optimization_passes): Schedule second EH cleanup
1221 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1222 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1224 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1226 * genoutput.c (validate_optab_operands): New.
1227 (gen_insn, gen_expand): Call it.
1229 * genflags.c (gen_insn): Detect misused iterators.
1230 (main): Pass line_no to gen_insn, exit with status 1 on error.
1232 * genextract.c (line_no): Make global.
1233 (VEC_safe_set_locstr): Change assertion to error message.
1234 (main): Exit with status 1 on error.
1236 2009-04-08 Joseph Myers <joseph@codesourcery.com>
1240 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1241 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1242 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1243 * c-convert.c (convert): Do not call fold on results of conversion
1244 functions when the result is a C_MAYBE_CONST_EXPR.
1245 * c-parser.c (c_parser_postfix_expression): Do not fold condition
1246 of __builtin_choose_expr.
1247 * c-typeck.c (remove_c_maybe_const_expr): New.
1248 (build_unary_op, build_conditional_expr, build_compound_expr,
1249 build_binary_op, c_objc_common_truthvalue_conversion): Call
1250 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1253 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1255 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
1256 CODE to produce a new one. Add a prototype to use fold_convert_const
1258 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
1261 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1262 mix declarations and code.
1264 2009-04-08 Ben Elliston <bje@au.ibm.com>
1266 * gcc.c: Replace `CC' with `GCC' throughout.
1268 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
1270 * doc/invoke.texi: Document Atom support.
1272 2009-04-07 Jason Merrill <jason@redhat.com>
1275 * c-common.h, c-common.c: Add flag_pretty_templates.
1276 * c-opts.c (c_common_handle_option): Set it.
1277 * c.opt: Add -fno-pretty-templates.
1278 * doc/invoke.texi (C++ Dialect Options): Likewise.
1280 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
1282 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1283 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1284 (ia64_expand_builtin): Likewise.
1286 2009-04-07 Martin Jambor <mjambor@suse.cz>
1288 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1289 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1290 ADDR_EXPRS are include too.
1292 2009-04-07 Richard Guenther <rguenther@suse.de>
1294 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1295 decls are only used if passes as parameters or if they are
1296 local statics and the call is not to a builtin.
1297 (call_may_clobber_ref_p_1): Likewise.
1299 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1301 * expr.c (do_store_flag): Remove last argument. Simplify code
1302 to avoid duplication of tests already done by can_compare_p.
1303 (expand_expr_real_1): Adjust caller.
1305 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1307 * optabs.c (can_compare_p): Test the predicate of a
1308 cbranch and cstore pattern.
1310 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1312 * expr.c (convert_move): Use emit_store_flag instead of
1315 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1317 * config/i386/i386.c (ix86_compare_emitted): Remove.
1318 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1319 ix86_compare_op0 like ix86_compare_emitted used to be handled.
1320 * config/i386/i386.h (ix86_compare_emitted): Remove.
1321 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1322 instead of ix86_compare_emitted.
1323 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1325 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
1327 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1328 Add t-sysroot-suffix to tmake_file.
1329 * config/print-sysroot-suffix.sh: New file.
1330 * config/t-sysroot-suffix: New file.
1332 2009-04-07 Ben Elliston <bje@au.ibm.com>
1334 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1335 as the latter produces a warning when the target does not support
1338 2009-04-07 Ben Elliston <bje@au.ibm.com>
1340 * dfp.c: Replace type punning assignments with memcpy throughout.
1341 * Makefile.in (dfp.o-warn): Remove.
1343 2009-04-07 Alan Modra <amodra@bigpond.net.au>
1346 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1347 Include soft-fp/t-softfp after rs6000/t-linux64.
1349 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
1351 * stor-layout.c (set_sizetype): Use the full precision of their
1352 machine mode for bitsize types.
1354 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
1356 * config/i386/i386.md: Revert 2 accidental checkins.
1358 2009-04-06 Joey Ye <joey.ye@intel.com>
1359 Xuepeng Guo <xuepeng.guo@intel.com>
1360 H.J. Lu <hongjiu.lu@intel.com>
1362 Atom pipeline model, tuning and insn selection.
1363 * config.gcc (atom): Add atom config options and target.
1365 * config/i386/atom.md: New.
1367 * config/i386/i386.c (atom_cost): New cost.
1368 (m_ATOM): New macro flag.
1369 (initial_ix86_tune_features): Set m_ATOM.
1370 (x86_accumulate_outgoing_args): Likewise.
1371 (x86_arch_always_fancy_math_387): Likewise.
1372 (processor_target): Add Atom cost.
1373 (cpu_names): Add Atom cpu name.
1374 (override_options): Set Atom ISA.
1375 (ix86_issue_rate): New case PROCESSOR_ATOM.
1376 (ix86_adjust_cost): Likewise.
1378 * config/i386/i386.h (TARGET_ATOM): New target macro.
1379 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1380 (TARGET_OPT_AGU): New target option.
1381 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1382 (processor_type): Add PROCESSOR_ATOM.
1384 * config/i386/i386.md (cpu): Add new value "atom".
1385 (use_carry, movu): New attr.
1386 (atom.md): Include atom.md.
1387 (adddi3_carry_rex64): Set attr "use_carry".
1388 (addqi3_carry): Likewise.
1389 (addhi3_carry): Likewise.
1390 (addsi3_carry): Likewise.
1391 (*addsi3_carry_zext): Likewise.
1392 (subdi3_carry_rex64): Likewise.
1393 (subqi3_carry): Likewise.
1394 (subhi3_carry): Likewise.
1395 (subsi3_carry): Likewise.
1396 (x86_movdicc_0_m1_rex64): Likewise.
1397 (*x86_movdicc_0_m1_se): Likewise.
1398 (x86_movsicc_0_m1): Likewise.
1399 (*x86_movsicc_0_m1_se): Likewise.
1400 (*adddi_1_rex64): Emit add insn as much as possible.
1401 (*addsi_1): Likewise.
1402 (return_internal): Set atom_unit.
1403 (return_internal_long): Likewise.
1404 (return_pop_internal): Likewise.
1405 (*rcpsf2_sse): Set atom_sse_attr attr.
1406 (*qrt<mode>2_sse): Likewise.
1407 (*prefetch_sse): Likewise.
1409 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1411 (ix86_target_macros_internal): Likewise.
1413 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1414 (*prefetch_sse_rex): Likewise.
1415 (sse_rcpv4sf2): Likewise.
1416 (sse_vmrcpv4sf2): Likewise.
1417 (sse_sqrtv4sf2): Likewise.
1418 (<sse>_vmsqrt<mode>2): Likewise.
1419 (sse_ldmxcsr): Likewise.
1420 (sse_stmxcsr): Likewise.
1421 (*sse_sfence): Likewise.
1422 (sse2_clflush): Likewise.
1423 (*sse2_mfence): Likewise.
1424 (*sse2_lfence): Likewise.
1425 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1426 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1427 (avx_movdqu<avxmodesuffix>): Likewise.
1428 (avx_lddqu<avxmodesuffix>): Likewise.
1429 (sse2_movntv2di): Change attr "type" to "ssemov".
1430 (sse2_movntsi): Likewise.
1431 (rsqrtv8sf2): Change attr "type" to "sseadd".
1432 (sse3_addsubv2df3): Set attr "atom_unit".
1433 (sse3_h<plusminus_insn>v4sf3): Likewise.
1434 (*sse2_pmaddwd): Likewise.
1435 (*vec_extractv2di_1_rex64): Likewise.
1436 (*vec_extractv2di_1_avx): Likewise.
1437 (sse2_psadbw): Likewise.
1438 (ssse3_phaddwv8hi3): Likewise.
1439 (ssse3_phaddwv4hi3): Likewise.
1440 (ssse3_phadddv4si3): Likewise.
1441 (ssse3_phadddv2si3): Likewise.
1442 (ssse3_phaddswv8hi3): Likewise.
1443 (ssse3_phaddswv4hi3): Likewise.
1444 (ssse3_phsubwv8hi3): Likewise.
1445 (ssse3_phsubwv4hi3): Likewise.
1446 (ssse3_phsubdv4si3): Likewise.
1447 (ssse3_phsubdv2si3): Likewise.
1448 (ssse3_phsubswv8hi3): Likewise.
1449 (ssse3_phsubswv4hi3): Likewise.
1450 (ssse3_pmaddubsw128): Likewise.
1451 (sse3_pmaddubsw: Likewise.
1452 (ssse3_palignrti): Likewise.
1453 (ssse3_palignrdi): Likewise.
1455 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1457 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1459 2009-04-06 Richard Guenther <rguenther@suse.de>
1461 PR tree-optimization/28868
1462 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1463 of which PHI results we inserted.
1464 (insert_into_preds_of_block): Record inserted PHIs.
1465 (eliminate): Eliminate redundant PHI nodes.
1466 (init_pre): Init inserted_phi_names.
1468 2009-04-06 Richard Guenther <rguenther@suse.de>
1470 PR tree-optimization/39643
1471 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1472 IMAGPART_EXPRs of complex constants.
1473 (execute_fold_all_builtins): If we folded a call queue
1474 TODO_update_address_taken.
1476 2009-04-06 Jan Hubicka <jh@suse.cz>
1479 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1482 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1484 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1486 (ic_invalidate_array): Likewise.
1488 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1490 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1491 alignment for library calls.
1493 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1495 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1496 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1497 * config/i386/mingw-stdint.h: New file.
1499 2009-04-05 Richard Guenther <rguenther@suse.de>
1501 PR tree-optimization/39648
1502 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1503 our &A vs. &A[0] IL deficiencies.
1505 2009-04-04 Jan Hubicka <jh@suse.cz>
1507 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1508 removed toplevel regions.
1509 (sjlj_mark_call_sites): Likewise.
1511 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1513 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1514 (cygwin tm clause use_gcc_stdint): Set to wrap.
1515 * config/i386/cygwin-stdint.h: New file.
1517 2009-04-04 Richard Guenther <rguenther@suse.de>
1519 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1520 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1521 single-argument PHIs if we are in loop-closed SSA form.
1522 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1523 for the pre-condition.
1524 (slpeel_tree_peel_loop_to_edge): Likewise.
1525 (vect_build_loop_niters): Take an optional sequence to append stmts.
1526 (vect_generate_tmps_on_preheader): Likewise.
1527 (vect_do_peeling_for_loop_bound): Take extra guards for the
1529 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1530 the cost model check.
1531 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1532 guards if we are going to peel. Do not apply versioning in that case.
1533 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1534 (vect_do_peeling_for_loop_bound): Likewise.
1535 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1536 loop bound only record extra pre-conditions, do not apply loop
1539 2009-04-04 Richard Guenther <rguenther@suse.de>
1541 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1544 2009-04-04 Jan Hubicka <jh@suse.cz>
1546 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1547 last_basic_block for size of bb->index indexed array.
1548 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1549 compute_out, link_btr_uses, build_btr_def_use_webs,
1550 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1552 2009-04-04 Jan Hubicka <jh@suse.cz>
1554 * except.c (remove_eh_handler_and_replace): Break out from ...
1555 (remove_eh_handler): ... here.
1556 (bring_to_root): New function.
1557 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1558 handled ones, bring others to root of tree.
1560 2009-04-04 Jan Hubicka <jh@suse.cz>
1562 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1563 (all_phis_safe_to_merge): New function.
1564 (update_info): New structure.
1565 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1566 (cleanup_empty_eh): Update SSA if possible.
1568 2009-04-04 Richard Guenther <rguenther@suse.de>
1570 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1571 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1572 (append_vuse): Likewise.
1574 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1576 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1577 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1578 instead of REG_UNSAVED for DW_CFA_undefined.
1579 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1580 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1583 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1586 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1587 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1588 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1590 2009-04-04 Richard Guenther <rguenther@suse.de>
1592 PR tree-optimization/8781
1593 PR tree-optimization/37892
1594 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1595 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1596 (valueize_refs): Call it for *& valueizations.
1597 (shared_reference_ops_from_ref): Rename to ...
1598 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1599 (shared_reference_ops_from_call): Rename to ...
1600 (valueize_shared_reference_ops_from_call): ... this and valueize.
1601 (vn_reference_lookup): Update.
1602 (visit_reference_op_call): Likewise.
1603 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1604 (eliminate): Value-replace the call address in call statements.
1606 2009-04-04 Richard Guenther <rguenther@suse.de>
1608 PR tree-optimization/39636
1609 * tree-ssa-forwprop.c
1610 (forward_propagate_addr_into_variable_array_index): Check for
1611 GIMPLE_ASSIGN before accessing the rhs code.
1613 2009-04-03 Jason Merrill <jason@redhat.com>
1615 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1617 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1619 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1620 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1621 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1622 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1623 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1624 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1625 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1626 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1627 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1628 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1629 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1630 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1631 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1632 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1633 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1634 Use fr_reg_or_fp01_operand instead of fr_register_operand
1636 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1637 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1638 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1640 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1642 PR rtl-optimization/39607
1643 PR rtl-optimization/39631
1647 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1648 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1649 instead of DF_LR_OUT.
1650 * ira-lives.c (process_bb_node_lives): Ditto.
1651 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1652 instead of DF_LR_{OUT,IN}.
1653 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1654 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1656 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1658 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1659 (execute_lower_omp): Always run but take the short way out if -fopenmp
1661 (gate_lower_omp): Remove, forcing the pass manager to always run the
1662 pass and always set PROP_gimple_lomp.
1663 (pass_lower_omp): Remove gate function.
1664 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1665 PROP_trees. Instead, require it.
1666 * ipa-cp.c (pass_ipa_cp): Likewise.
1667 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1668 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1669 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1670 and PROP_gimple_leh.
1672 2009-04-03 Richard Guenther <rguenther@suse.de>
1675 PR tree-optimization/23940
1676 PR tree-optimization/33237
1679 PR tree-optimization/36201
1680 PR tree-optimization/36230
1681 PR tree-optimization/38049
1682 PR tree-optimization/38207
1683 PR tree-optimization/38230
1684 PR tree-optimization/38301
1685 PR tree-optimization/38585
1687 PR tree-optimization/38985
1688 PR tree-optimization/39299
1689 * tree-ssa-structalias.h: Remove.
1690 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1691 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1692 (struct vuse_element_d): Remove.
1693 (struct vuse_vec_d): Likewise.
1694 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1695 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1696 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1697 VUSE_ELEMENT_VAR): Likewise.
1698 (struct voptype_d): Likewise.
1699 (NUM_VOP_FREE_BUCKETS): Likewise.
1700 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1701 (struct stmt_operands_d): Remove.
1702 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1703 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1704 VDEF_NUM, VDEF_VECT): Likewise.
1705 (copy_virtual_operands): Remove.
1706 (operand_build_cmp): Likewise.
1707 (create_ssa_artificial_load_stmt): Likewise.
1708 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1709 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1710 vuse_index and mayuse_index members. Pack and move done and iter_type
1711 members to the front.
1712 (SSA_OP_VMAYUSE): Remove.
1713 (SSA_OP_VIRTUAL_USES): Adjust.
1714 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1715 (unlink_stmt_vdef): Declare.
1716 (add_to_addressable_set): Remove.
1717 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1718 (vrp_visit_stmt): Likewise.
1719 * doc/tree-ssa.texi (Alias analysis): Update.
1720 * doc/invoke.texi (max-aliased-vops): Remove docs.
1721 (avg-aliased-vops): Likewise.
1722 * tree-into-ssa.c (syms_to_rename): Remove.
1723 (need_to_update_vops_p): Likewise.
1724 (need_to_initialize_update_ssa_p): Rename to ...
1725 (update_ssa_initialized_fn): ... this. Track function we are
1727 (symbol_marked_for_renaming): Simplify.
1728 (add_new_name_mapping): Do not set need_to_update_vops_p.
1729 (dump_currdefs): Use SYMS_TO_RENAME.
1730 (rewrite_update_stmt): Always walk all uses/defs.
1731 (dump_update_ssa): Adjust.
1732 (init_update_ssa): Take function argument. Track what we are
1734 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1735 (create_new_def_for): Initialize for cfun, assert we are initialized
1737 (mark_sym_for_renaming): Simplify.
1738 (mark_set_for_renaming): Do not initialize update-ssa.
1739 (need_ssa_update_p): Simplify. Take function argument.
1740 (name_mappings_registered_p): Assert we ask for the correct function.
1741 (name_registered_for_update_p): Likewise.
1742 (ssa_names_to_replace): Likewise.
1743 (release_ssa_name_after_update_ssa): Likewise.
1744 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1745 (dump_decl_set): Do not print a newline.
1746 (debug_decl_set): Do it here.
1747 (dump_update_ssa): And here.
1748 * tree-ssa-loop-im.c (move_computations): Adjust.
1749 (movement_possibility): Likewise.
1750 (determine_max_movement): Likewise.
1751 (gather_mem_refs_stmt): Likewise.
1752 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1754 * tree-complex.c (update_all_vops): Remove.
1755 (expand_complex_move): Adjust.
1756 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1757 Simplify test for memory referencing statement. Exclude
1758 non-invariant ADDR_EXPRs.
1759 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1760 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1761 (rdg_flag_uses): Likewise.
1762 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1764 (tree_optimize_tail_calls_1): Also split the
1765 edge from the entry block if we have degenerate PHI nodes in
1766 the first basic block.
1767 * tree.c (init_ttree): Remove memory-tag related code.
1768 (tree_code_size): Likewise.
1769 (tree_node_structure): Likewise.
1770 (build7_stat): Re-write to be build6_stat.
1771 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1772 (SSA_VAR_P): Adjust.
1773 (struct tree_memory_tag): Remove.
1774 (struct tree_memory_partition_tag): Likewise.
1775 (union tree_node): Adjust.
1776 (build7): Re-write to be build6.
1777 * tree-pass.h (pass_reset_cc_flags): Remove.
1778 (TODO_update_address_taken): New flag.
1779 (pass_simple_dse): Remove.
1780 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1781 * params.h (MAX_ALIASED_VOPS): Remove.
1782 (AVG_ALIASED_VOPS): Likewise.
1783 * omp-low.c (expand_omp_taskreg): Update SSA form.
1784 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1785 aliases the lhs in a copy stmt.
1786 * tree-ssa-dse.c (struct address_walk_data): Remove.
1787 (memory_ssa_name_same): Likewise.
1788 (memory_address_same): Likewise.
1789 (get_kill_of_stmt_lhs): Likewise.
1790 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1791 unused stores. Look through PHI nodes into post-dominated regions.
1792 (dse_optimize_stmt): Simplify. Properly remove stores.
1793 (tree_ssa_dse): Compute dominators.
1794 (execute_simple_dse): Remove.
1795 (pass_simple_dse): Likewise.
1796 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1797 gimple_loaded_syms and gimple_stored_syms computation.
1798 * toplev.c (dump_memory_report): Dump alias and pta stats.
1799 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1800 (vn_reference_eq): Likewise.
1801 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1802 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1803 valueize_vuses): Remove.
1804 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1805 (get_def_ref_stmt_vuse): ... this.
1806 (vn_reference_lookup_2): New function.
1807 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1808 walking equivalent vuses. Simplify.
1809 (vn_reference_lookup): Likewise.
1810 (vn_reference_insert): Likewise.
1811 (vn_reference_insert_pieces): Likewise.
1812 (visit_reference_op_call): Simplify.
1813 (visit_reference_op_load): Likewise.
1814 (visit_reference_op_store): Likewise.
1815 (init_scc_vn): Remove shared_lookup_vuses initialization.
1816 (free_scc_vn): Remove shared_lookup_vuses freeing.
1817 (sort_vuses, sort_vuses_heap): Remove.
1818 (get_ref_from_reference_ops): Export.
1819 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1820 vector with single vuse pointer.
1821 (vn_reference_lookup_pieces, vn_reference_lookup,
1822 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1823 (shared_vuses_from_stmt): Remove.
1824 (get_ref_from_reference_ops): Declare.
1825 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1826 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1827 memory-tag related code.
1828 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1829 (likely_value): Add comment, skip static-chain of call statements.
1830 (surely_varying_stmt_p): Adjust.
1831 (gimplify_and_update_call_from_tree): Likewise.
1832 (execute_fold_all_builtins): Do not rebuild alias info.
1833 (gimplify_and_update_call_from_tree): Properly update VOPs.
1834 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1835 (copy_ref_info): Remove memory-tag related code.
1836 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1837 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1838 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1840 * tree-ssa-dom.c (gimple_p): Remove typedef.
1841 (eliminate_redundant_computations): Adjust.
1842 (record_equivalences_from_stmt): Likewise.
1843 (avail_expr_hash): Likewise.
1844 (avail_expr_eq): Likewise.
1845 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1846 (stmt_makes_single_load): Likewise.
1847 (stmt_makes_single_store): Likewise.
1848 * tree-ssa-alias.c: Rewrite completely.
1849 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1850 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1851 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1852 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1853 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1854 Remove public functions.
1855 (pass_reset_cc_flags): Remove.
1856 (pass_build_alias): Move ...
1857 * tree-ssa-structalias.c (pass_build_alias): ... here.
1858 * tree-ssa-alias.c (may_be_aliased): Move ...
1859 * tree-flow-inline.h (may_be_aliased): ... here.
1860 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1861 count_uses_and_derefs): Move ...
1862 * gimple.c: ... here.
1863 * gimple.h (count_uses_and_derefs): Declare.
1864 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1865 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1866 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1867 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1868 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1869 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1870 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1872 * tree-dfa.c (refs_may_alias_p): Move ...
1873 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1874 * tree-ssa-alias.h: New file.
1875 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1876 (statement_sink_location): Likewise.
1877 * opts.c (decode_options): Do not adjust max-aliased-vops or
1878 avg-aliased-vops values.
1879 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1880 (TV_CALL_CLOBBER): Likewise.
1881 (TV_FLOW_SENSITIVE): Likewise.
1882 (TV_FLOW_INSENSITIVE): Likewise.
1883 (TV_MEMORY_PARTITIONING): Likewise.
1884 (TV_ALIAS_STMT_WALK): New timevar.
1885 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1886 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1887 (get_address_description): Remove memory-tag related code.
1888 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1889 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1890 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1891 and immediate uses in statements. Document.
1892 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1893 (dump_symbols): Remove.
1894 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1895 * alias.c (get_deref_alias_set): New function split out from ...
1896 (get_alias_set): ... here.
1897 * alias.h (get_deref_alias_set): Declare.
1898 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1899 type parameter. Remove restrict pointer handling. Create a
1900 ref-all pointer in case type-based alias sets do not conflict.
1901 (vect_analyze_data_refs): Remove SMT related code.
1902 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1903 (vectorizable_load): Likewise.
1904 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1905 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1906 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1907 Ignore vops and SMTs.
1908 (dr_analyze_alias): Likewise..
1909 (free_data_ref): Likewise.
1910 (create_data_ref): Likewise.
1911 (analyze_all_data_dependences): Likewise.
1912 (get_references_in_stmt): Adjust.
1913 * tree-flow-inline.h (gimple_aliases_computed_p,
1914 gimple_addressable_vars, gimple_call_clobbered_vars,
1915 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1916 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1917 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1918 gimple_mem_ref_stats): Remove.
1919 (gimple_vop): New function.
1920 (op_iter_next_use): Remove vuses and mayuses cases.
1921 (op_iter_next_def): Remove vdefs case.
1922 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1923 (clear_and_done_ssa_iter): Do not set removed fields.
1924 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1925 Assert we are not iterating over vuses or vdefs if not also
1926 iterating over uses or defs.
1927 (op_iter_init_use): Likewise.
1928 (op_iter_init_def): Likewise.
1929 (op_iter_next_vdef): Remove.
1930 (op_iter_next_mustdef): Likewise.
1931 (op_iter_init_vdef): Likewise.
1932 (compare_ssa_operands_equal): Likewise.
1933 (link_use_stmts_after): Handle vuse operand.
1934 (is_call_used): Use is_call_clobbered.
1935 (is_call_clobbered): Global variables are always call clobbered,
1936 query the call-clobbers bitmap.
1937 (mark_call_clobbered): Ignore global variables.
1938 (clear_call_clobbered): Likewise.
1939 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1940 virtual operands sanity check.
1941 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1943 (TARGET_MEM_REF): Remove TMR_TAG operand.
1944 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1945 Remove call-clobber related code.
1946 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1947 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1948 partitions or escape reason.
1949 (get_single_def_stmt, get_single_def_stmt_from_phi,
1950 get_single_def_stmt_with_phi): Remove.
1951 (dump_referenced_vars): Tidy.
1952 (get_ref_base_and_extent): Allow bare decls.
1953 (collect_dfa_stats): Adjust.
1954 * graphite.c (rename_variables_in_stmt): Adjust.
1955 (graphite_copy_stmts_from_block): Likewise.
1956 (translate_clast): Likewise.
1957 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1959 (translate_vuse_through_block): Use the oracle.
1960 (phi_translate_1): Adjust.
1961 (value_dies_in_block_x): Use the oracle. Cache the outcome
1963 (valid_in_sets): Check if the VUSE for
1964 a REFERENCE is available.
1965 (eliminate): Do not remove stmts during elimination,
1966 instead queue and remove them afterwards.
1967 (do_pre): Do not rebuild alias info.
1968 (pass_pre): Run TODO_rebuild_alias before PRE.
1969 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1970 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1971 (mark_all_v_defs_stmt): Remove.
1972 (mark_all_v_defs_seq): Adjust.
1973 (sra_replace): Likewise.
1974 (scalarize_use): Likewise.
1975 (scalarize_copy): Likewise.
1976 (scalarize_init): Likewise.
1977 (scalarize_ldst): Likewise.
1978 (todoflags): Remove.
1979 (tree_sra): Do not rebuild alias info.
1980 (tree_sra_early): Adjust.
1981 (pass_sra): Run TODO_update_address_taken before SRA.
1982 * tree-predcom.c (set_alias_info): Remove.
1983 (prepare_initializers_chain): Do not call it.
1984 (mark_virtual_ops_for_renaming): Adjust.
1985 (mark_virtual_ops_for_renaming_list): Remove.
1986 (initialize_root_vars): Adjust.
1987 (initialize_root_vars_lm): Likewise.
1988 (prepare_initializers_chain): Likewise.
1989 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1990 (may_propagate_copy_into_stmt): Likewise.
1991 (merge_alias_info): Do nothing for now.
1992 (propagate_tree_value_into_stmt): Adjust.
1993 (stmt_may_generate_copy): Likewise.
1994 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1995 not mark symbols for renaming.
1996 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1997 with the same statement, make sure to update the new pointed-to one.
1998 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1999 call statements, do not mark symbols for renaming.
2000 (mark_operand_necessary): Dump something.
2001 (ref_may_be_aliased): New function.
2002 (mark_aliased_reaching_defs_necessary_1): New helper function.
2003 (mark_aliased_reaching_defs_necessary): Likewise.
2004 (mark_all_reaching_defs_necessary_1): Likewise.
2005 (mark_all_reaching_defs_necessary): Likewise.
2006 (propagate_necessity): Do not process virtual PHIs. For
2007 non-aliased loads mark all reaching definitions as necessary.
2008 For aliased loads and stores mark the immediate dominating
2009 aliased clobbers as necessary.
2010 (visited): New global static.
2011 (perform_tree_ssa_dce): Free visited bitmap after propagating
2013 (remove_dead_phis): Perform simple dead virtual PHI removal.
2014 (remove_dead_stmt): Properly unlink virtual operands when
2016 (eliminate_unnecessary_stmts): Schedule PHI removal after
2018 * tree-ssa-ter.c (is_replaceable_p): Adjust.
2019 (process_replaceable): Likewise.
2020 (find_replaceable_in_bb): Likewise.
2021 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2022 based on the single gimple vop.
2023 (verify_flow_insensitive_alias_info): Remove.
2024 (verify_flow_sensitive_alias_info): Likewise.
2025 (verify_call_clobbering): Likewise.
2026 (verify_memory_partitions): Likewise.
2027 (verify_alias_info): Likewise.
2028 (verify_ssa): Adjust..
2029 (execute_update_addresses_taken): Export. Update SSA
2030 manually. Optimize only when optimizing. Use a local bitmap.
2031 (pass_update_address_taken): Remove TODO_update_ssa, add
2033 (pass_update_address_taken): Just use TODO_update_address_taken.
2034 (init_tree_ssa): Do not initialize addressable_vars.
2035 (verify_ssa): Verify new VUSE / VDEF properties.
2036 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2037 Do not call verify_alias_info.
2038 (delete_tree_ssa): Clear the VUSE, VDEF operands.
2039 Do not free the loaded and stored syms bitmaps. Reset the escaped
2040 and callused solutions. Do not free addressable_vars.
2041 Remove memory-tag related code.
2042 (warn_uninitialized_var): Aliases are always available.
2043 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2044 * lambda-code.c (can_put_in_inner_loop): Adjust.
2045 (can_put_after_inner_loop): Likewise.
2046 (perfect_nestify): Likewise.
2047 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2048 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2049 (vectorizable_conversion): Do not mark symbols for renaming.
2050 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2051 (expand_call_inline): Unlink the calls virtual operands before
2053 (tree_function_versioning): Do not call update_ssa if we are not
2054 updating clones. Simplify.
2055 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2056 (propagate_with_phi): Likewise..
2057 * tree-outof-ssa.c (create_temp): Remove memory tag and call
2058 clobber code. Assert we are not aliased or global.
2059 * tree-flow.h: Include tree-ssa-alias.h
2060 (enum escape_type): Remove.
2061 (struct mem_sym_stats_d): Likewise.
2062 (struct mem_ref_stats_d): Likewise.
2063 (struct gimple_df): Add vop member. Remove global_var,
2064 call_clobbered_vars, call_used_vars, addressable_vars,
2065 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
2066 escaped and callused members.
2067 (struct ptr_info_def): Remove all members, add points-to solution
2069 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2070 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2071 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2072 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2073 (tree-ssa-alias.o): Likewise.
2074 (toplev.o): Add tree-ssa-alias.h
2075 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2076 * gimple.c (gimple_set_bb): Fix off-by-one error.
2077 (is_gimple_reg): Do not handle memory tags.
2078 (gimple_copy): Also copy virtual operands.
2079 Delay updating the statement. Do not reset loaded and stored syms.
2080 (gimple_set_stored_syms): Remove.
2081 (gimple_set_loaded_syms): Likewise.
2082 (gimple_call_copy_skip_args): Copy the virtual operands
2083 and mark the new statement modified.
2084 * tree-ssa-structalias.c (may_alias_p): Remove.
2085 (set_uids_in_ptset): Take the alias set to prune with as
2086 parameter. Fold in the alias test of may_alias_p.
2087 (compute_points_to_sets): Compute whether a ptr is dereferenced
2089 (process_constraint): Deal with &ANYTHING on the lhs, reject all
2090 other ADDRESSOF constraints on the lhs.
2091 (get_constraint_for_component_ref): Assert that we don't get
2092 ADDRESSOF constraints from the base of the reference.
2093 Properly generate UNKNOWN_OFFSET for DEREF if needed.
2094 (struct variable_info): Remove collapsed_to member.
2095 (get_varinfo_fc): Remove.
2096 (new_var_info): Do not set collapsed_to.
2097 (dump_constraint): Do not follow cycles.
2098 (dump_constraint_graph): Likewise.
2099 (build_pred_graph): Likewise.
2100 (build_succ_graph): Likewise.
2101 (rewrite_constraints): Likewise.
2102 (do_simple_structure_copy): Remove.
2103 (do_rhs_deref_structure_copy): Remove.
2104 (do_lhs_deref_structure_copy): Remove.
2105 (collapse_rest_of_var): Remove.
2106 (do_structure_copy): Re-implement.
2107 (pta_stats): New global variable.
2108 (dump_pta_stats): New function.
2109 (struct constraint_expr): Make offset signed.
2110 (UNKNOWN_OFFSET): Define special value.
2111 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2112 (solution_set_expand): New helper function split out from ...
2113 (do_sd_constraint): ... here.
2114 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
2115 (do_ds_constraint): Likewise.
2116 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
2117 and CALLUSED = *CALLUSED.
2118 (set_union_with_increment): Make inc argument signed.
2119 (type_safe): Remove.
2120 (get_constraint_for_ptr_offset): Handle unknown and negative
2122 (first_vi_for_offset): Handle offsets before start. Bail
2123 out early for offsets beyond the variable extent.
2124 (first_or_preceding_vi_for_offset): New function.
2125 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2126 Together with ESCAPED = *ESCAPED this properly computes reachability.
2127 (find_what_var_points_to): New function.
2128 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2129 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2130 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2131 pt_solutions_intersect): New functions.
2132 (compute_call_used_vars): Remove.
2133 (compute_may_aliases): New main entry into PTA computation.
2134 * gimple.h (gimple_p): New typedef.
2135 (struct gimple_statement_base): Remove references_memory_p.
2136 (struct gimple_statement_with_memory_ops_base): Remove
2137 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
2139 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2140 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2141 gimple_set_references_memory): Remove.
2142 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2143 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2145 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2146 (verify_expr): Allow RESULT_DECL.
2147 (gimple_duplicate_bb): Do not copy virtual operands.
2148 (gimple_duplicate_sese_region): Adjust.
2149 (gimple_duplicate_sese_tail): Likewise.
2150 (mark_virtual_ops_in_region): Remove.
2151 (move_sese_region_to_fn): Do not call it.
2152 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2153 and pass_simple_dse.
2154 (execute_function_todo): Handle TODO_update_address_taken,
2155 call execute_update_addresses_taken for TODO_rebuild_alias.
2156 (execute_todo): Adjust.
2157 (execute_one_pass): Init dump files early.
2158 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2160 (create_general_new_stmt): Clear vops.
2161 * tree-ssa-reassoc.c (get_rank): Adjust.
2162 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2163 symbols for renaming.
2164 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2165 (PARAM_AVG_ALIASED_VOPS): Likewise.
2166 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2167 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2168 * tree-ssa-operands.c: Simplify for new virtual operand representation.
2169 (operand_build_cmp, copy_virtual_operands,
2170 create_ssa_artificial_load_stmt, add_to_addressable_set,
2171 gimple_add_to_addresses_taken): Remove public functions.
2172 (unlink_stmt_vdef): New function.
2174 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2176 * config.gcc (powerpc-*-linux*): Merge variants.
2178 2009-04-02 Chao-ying Fu <fu@mips.com>
2179 James Grosbach <james.grosbach@microchip.com>
2181 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2182 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2184 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2185 keep_interrupts_masked_p, use_debug_exception_return_p.
2186 (mips_attribute_table): Add interrupt, use_shadow_register_set,
2187 keep_interrupts_masked, use_debug_exception_return.
2188 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2189 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2191 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2192 (mips_print_operand): Process COP0 registers to print $0 .. $31
2193 correctly for GAS to process.
2194 (mips_interrupt_extra_call_saved_reg_p): New function.
2195 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2197 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2198 (mips_compute_frame_info): Add supports for interrupt context that
2199 includes doubleword accumulators and COP0 registers.
2200 (mips_for_each_saved_acc): New function.
2201 (mips_for_each_saved_gpr_and_fpr): Change the function name from
2202 mips_for_each_saved_reg.
2203 (mips_save_reg): Save accumulators.
2204 (mips_kernel_reg_p): A new for_each_rtx callback.
2205 (mips_expand_prologue): Support interrupt handlers.
2206 (mips_restore_reg): Restore accumulators.
2207 (mips_expand_epilogue): Support interrupt handlers.
2208 (mips_can_use_return_insn): Return false for interrupt handlers.
2209 (mips_epilogue_uses): New function.
2210 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2211 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2212 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2213 cop0_move): New instructions.
2214 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2215 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2217 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2219 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2220 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2221 interrupt handlers, we use K0 as the temporary register.
2222 (EPILOGUE_USES): Change to a function call.
2223 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2224 handlers, we use K0 as the temporary register.
2226 * doc/extend.texi (Function Attributes): Document interrupt,
2227 use_shadow_register_set, keep_interrupts_masked,
2228 use_debug_exception_return for MIPS attributes.
2230 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2232 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2233 Remove a number of t-files from tmake_file.
2234 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2235 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2236 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2237 target_prototype, not TARGET_PROTOTYPE.
2238 (LINK_OS_GNU_SPEC): Define.
2239 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2240 and darwin-ldoubdle.c.
2242 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
2245 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2246 (cpp_options): Ditto.
2247 (default_compilers): Ditto.
2248 (display_help): Ditto.
2249 (process_command): Ditto.
2251 (set_input): Use lbasename instead of duplicate code.
2252 (save_temps_prefix): New static for -save-temps=obj.
2253 (save_temps_length): Ditto.
2255 * doc/invoke.texi (-save-temps=obj): Document new variant to
2258 2009-04-02 Jeff Law <law@redhat.com>
2260 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2263 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2265 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2266 * configure: Regenerated.
2268 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2270 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2271 share the argument list.
2273 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2277 2009-02-12 Diego Novillo <dnovillo@google.com>
2279 * varpool.c (debug_varpool): New.
2280 * cgraph.h (debug_varpool): Declare.
2282 2009-04-02 Jan Hubicka <jh@suse.cz>
2284 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2287 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2289 * config/i386/i386.c (ix86_abi): Move initialization to ...
2290 (override_options): Here.
2292 2009-04-02 Christian Bruel <christian.bruel@st.com>
2294 * config/sh/sh.c (sh_dwarf_register_span): New function.
2295 (TARGET_DWARF_REGISTER_SPAN): Define.
2296 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2298 2009-04-02 Ira Rosen <irar@il.ibm.com>
2300 PR tree-optimization/39595
2301 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
2302 interleaved loads group is not greater than the SLP group size.
2304 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2306 * builtins.c (is_builtin_name): New.
2307 (called_as_built_in): Use is_builtin_name.
2308 * tree.h (is_builtin_name): New.
2309 * varasm.c (incorporeal_function_p): Use is_builtin_name
2311 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
2313 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2315 2009-04-02 Dodji Seketeli <dodji@redhat.com>
2318 * c-decl.c (clone_underlying_type): Move this ...
2319 * c-common.c (set_underlying_type): ... here.
2320 Also, make sure the function properly sets TYPE_STUB_DECL() on
2321 the newly created typedef variant type.
2322 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2323 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2326 2009-04-02 Richard Guenther <rguenther@suse.de>
2328 PR tree-optimization/37221
2329 * tree-flow.h (degenerate_phi_result): Declare.
2330 * tree-ssa-dom.c (degenerate_phi_result): Export.
2331 * tree-scalar-evolution.c (analyze_initial_condition): If
2332 the initial condition is defined by a degenerate PHI node
2333 use the degenerate value.
2335 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
2337 PR rtl-optimization/39588
2338 * combine.c (merge_outer_ops): Do not set the constant when this
2340 (simplify_shift_const_1): Do not modify it either in this case.
2342 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
2344 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2345 tuning is deprecated if -mtune value is set to an Itanium1 variant.
2347 2009-04-01 Janis Johnson <janis187@us.ibm.com>
2350 * c-lex.c (interpret_float): Default (no suffix) is double.
2352 2009-04-1 Xinliang David Li <davidxl@google.com>
2354 * config/i386/i386.c (legitimate_constant_p): Recognize
2355 all one vector constant.
2357 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2359 * gcc/config/vax/vax.c: Add #includes to silence warnings.
2360 Change #include order to silence two warnings.
2362 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2364 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2365 (ASM_SPEC): Pass -k to the assembler for PIC code.
2367 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2369 * gcc/config.gcc: Add vax-*-linux* to the switch.
2370 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2371 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2373 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2375 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2376 Use predicate macros instead of GET_CODE() == foo.
2377 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2378 ashlsi3, rotrsi3, <unnamed>): Likewise.
2380 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2382 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2383 jbbccihi, jbbccisi): Remova trailing whitespace.
2384 * gcc/config/vax/constraints.md: Likewise.
2385 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2386 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2387 * gcc/config/vax/predicates.md: Likewise.
2388 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2389 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2390 * gcc/config/vax/vax.h: Likewise.
2391 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2393 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2395 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2396 (indirectable_address_p, adjacent_operands_p): Add spaces around
2398 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2400 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2402 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2403 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2404 index_term_p, reg_plus_index_p, legitimate_address_p,
2405 vax_mode_dependent_address_p): Update comments to match functions
2406 modified by the recent int->bool conversion.
2408 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2410 * gcc/config/vax/builtins.md: Update copyright message.
2411 * gcc/config/vax/constraints.md: Likewise.
2412 * gcc/config/vax/netbsd-elf.h: Likewise.
2413 * gcc/config/vax/predicates.md: Likewise.
2414 * gcc/config/vax/vax-protos.h: Likewise.
2415 * gcc/config/vax/vax.c: Likewise.
2416 * gcc/config/vax/vax.h: Likewise.
2417 * gcc/config/vax/vax.md: Likewise.
2418 * gcc/config/vax/vax.opt: Likewise.
2420 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2422 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2423 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2424 * gcc/config/vax/constraints.md (B, R): Likewise.
2425 * gcc/config/vax/predicates.md (external_memory_operand,
2426 nonimmediate_addsub_di_operand): Likewise.
2427 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2428 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2429 untyped_call): Likewise.
2431 2009-04-01 Matt Thomas <matt@3am-software.com>
2433 * config/vax/predicates.md: New file.
2434 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2435 external_const_operand, nonsymbolic_operand, external_memory_operand,
2436 indirect_memory_operand, indexed_memory_operand,
2437 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2438 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2440 * config/vax/constraints.md: New file.
2441 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2443 * config/vax/builtins.md: New file.
2444 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2445 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2447 * config/vax/vax.opt (mqmath): Add option.
2448 * config/vax/vax.md (isfx): Extend with DI.
2449 (VAXintQH, VAXintQHSD): Define.
2450 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2451 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2452 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2453 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2454 (movdi): Update constraints and use vax_output_int_move().
2455 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2456 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2457 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2458 nonlocal_goto): New.
2459 (mov<mode>): Extend accepted operand types.
2460 (subdi3_old): Rename from subdi3, change update constraints and use
2461 a new implementation.
2462 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2463 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2464 MOVE_RATIO, CLEAR_RATIO): Define.
2465 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2466 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2467 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2468 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2469 (split_quadword_operands): Make static and really allow variable
2471 (print_operand_address): Update for PIC generation.
2472 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2473 indexable_address_p, fixup_mathdi_operand,
2474 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2475 (vax_float_literal, legitimate_constant_p,
2476 indirectable_constant_address_p, index_term_p,
2477 reg_plus_index_p): Return bool instead of int.
2478 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2480 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2482 (vax_output_conditional_branch): Indent.
2483 (legitimate_constant_address_p, indirectable_constant_address_p,
2484 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2485 vax_mode_dependent_address_p): Return bool instead of int, update for
2487 * config/vax/vax-protos.h (legitimate_constant_address_p,
2488 legitimate_constant_p, legitimate_address_p,
2489 vax_mode_dependent_address_p): Change declaration to bool.
2490 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2491 vax_expand_addsub_di_operands, vax_output_int_subtract,
2492 vax_output_movmemsi): Declare.
2493 (split_quadword_operands, vax_float_literal): Delete declaration.
2494 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2495 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2496 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2497 ASM_OUTPUT_DWARF_PCREL): Define.
2498 (ASM_SPEC): Change definition to allow PIC generation.
2500 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2502 * doc/sourcebuild.texi: Update front-end requirements.
2504 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2507 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2508 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2509 (booldi3_internal3): Use boolean_or_operator instead of
2512 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2515 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2516 declarator whose size is not an integer constant expression but
2517 folds to an integer constant, then treat it as a constant
2520 2009-04-01 Richard Guenther <rguenther@suse.de>
2522 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2523 i * 4 + 2 to (i * 2 + 1) * 2.
2525 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2528 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2529 return if c_parser_asm_string_literal returned NULL.
2531 2009-04-01 Nick Clifton <nickc@redhat.com>
2533 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2535 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2536 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2537 other typedefs to avoid conflicts with libgcc2.c. Define labels
2538 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2540 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2541 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2544 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2546 * varasm.c (default_function_rodata_section): Declare DOT as
2549 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2550 Andrey Galkin <agalkin@hypercom.com>
2553 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2554 Make object_name unique for each process.
2556 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2559 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2560 addressable variables in the parallel that could go out of scope while
2561 running queued tasks.
2563 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2565 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2566 (CASE_VALUES_THRESHOLD): Redefine.
2567 * config/avr/avr.c (avr_override_options): Remove initialization of
2568 avr_case_values_threshold variable.
2569 (avr_case_values_threshold): Remove variable. Add new function.
2570 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2571 * config/avr/avr.opt (mno-tablejump): Remove option.
2572 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2574 2009-04-01 DJ Delorie <dj@redhat.com>
2576 * varasm.c (default_function_rodata_section): Don't assume
2577 anything about where the first '.' in the section name is.
2579 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2581 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2582 rs6000_emit_stack_tie.
2584 2009-03-31 Ian Lance Taylor <iant@google.com>
2586 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2587 gimple_code with GIMPLE_RESX, not RESX.
2589 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2591 * c-common.c (c_get_ident): New.
2592 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2594 2009-04-01 Ben Elliston <bje@au.ibm.com>
2596 * config/rs6000/sysv4.opt (msdata): Improve option description.
2598 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2600 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2601 (divdf3_internal_lat): Remove.
2602 (divxf3_internal_lat): Remove.
2603 (divxf3_internal_thr): Remove.
2604 (divxf): Use divxf3_internal.
2605 * config/ia64/div.md (divsf3_internal_lat): New.
2606 (divdf3_internal_lat): New.
2607 (divxf3_internal): New.
2609 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2612 * Makefile.in (USE_GCC_STDINT): Define.
2613 (stmp-int-hdrs): Install stdint.h if applicable.
2614 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2616 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2617 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2618 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2619 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2620 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2621 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2622 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2623 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2624 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2625 (c_common_nodes_and_builtins): Initialize
2626 underlying_wchar_type_node. Do not initialize
2627 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2628 nodes for new types.
2629 (c_stddef_cpp_builtins): Define macros for new types.
2630 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2632 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2633 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2634 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2635 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2636 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2637 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2638 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2639 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2640 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2641 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2642 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2643 int16_type_node, int32_type_node, int64_type_node,
2644 uint8_type_node, uint16_type_node, c_uint32_type_node,
2645 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2646 int_least32_type_node, int_least64_type_node,
2647 uint_least8_type_node, uint_least16_type_node,
2648 uint_least32_type_node, uint_least64_type_node,
2649 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2650 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2651 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2652 uintptr_type_node): Define.
2653 * c-cppbuiltin.c (builtin_define_constants,
2654 builtin_define_type_minmax): New.
2655 (builtin_define_stdint_macros): Define more macros.
2656 (c_cpp_builtins): Define more limit macros.
2658 (builtin_define_type_max): Define in terms of
2659 builtin_define_type_minmax. Remove is_long parameter. All
2661 * config.gcc (use_gcc_stdint): Define.
2662 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2663 Add newlib-stdint.h for generic targets.
2664 * config/glibc-stdint.h, config/newlib-stdint.h,
2665 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2666 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2667 * config/score/score.h (UINTPTR_TYPE): Define.
2668 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2669 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2670 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2671 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2672 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2673 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2674 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2675 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2676 * config/spu/spu.h (STDINT_LONG32): Define.
2677 * configure.ac (use_gcc_stdint): Substitute.
2678 * configure: Regenerate.
2679 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2680 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2681 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2682 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2683 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2684 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2685 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2686 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2687 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2688 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2689 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2690 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2691 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2692 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2693 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2694 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2695 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2696 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2697 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2698 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2699 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2700 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2701 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2702 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2703 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2704 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2705 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2706 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2707 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2709 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2711 * loop-iv.c (suitable_set_for_replacement): Renamed from
2712 simplify_using_assignment; changed to return bool and to accept new
2713 args DEST and SRC. Return true iff we find a source/destination pair
2714 that can be used to make a replacement, and fill SRC and DEST if so.
2715 Remove arg ALTERED. Don't deal with altered regs here. All callers
2717 (simplify_using_initial_values): Deal with altered regs here and track
2718 more precisely the effect they have on the validity of our expression.
2720 * loop-iv.c (simplify_using_condition): A condition of the form
2721 (EQ REG CONST) can be used to simply make a substitution.
2722 (simplify_using_initial_values): Keep track of conditions we have seen
2723 and keep using them to simplify new expressions, while applying the
2724 same substitutions to them as to the expression.
2726 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2727 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2730 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2731 changed. Use this when trying to improve the upper bound.
2732 Generate the comparison by using simplify_gen_relational.
2734 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2736 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2738 (simplify_using_assignment, simplify_using_initial_values): Call
2739 replace_in_expr to make replacements. Call replace_single_def_regs
2740 once on the initial version of the expression.
2742 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2745 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2747 2009-03-31 Richard Guenther <rguenther@suse.de>
2750 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2751 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2753 2009-03-31 Richard Guenther <rguenther@suse.de>
2755 * tree.h (div_if_zero_remainder): Declare.
2756 * fold-const.c (div_if_zero_remainder): Export.
2757 * tree-ssa-forwprop.c
2758 (forward_propagate_addr_into_variable_array_index): Handle
2759 constant array index addition outside of the variable index.
2761 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2764 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2765 define_splits, floatunssi<mode>2): Require x87 conversions from
2766 DImode to be permitted.
2768 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2770 PR preprocessor/15638
2771 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2773 2009-03-31 Richard Guenther <rguenther@suse.de>
2777 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2778 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2779 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2780 a separate statement.
2781 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2782 (lookup_tmp_var): Likewise.
2783 (is_gimple_formal_tmp_or_call_rhs): Remove.
2784 (is_gimple_reg_or_call_rhs): Rename to ...
2785 (is_gimple_reg_rhs_or_call): ... this.
2786 (is_gimple_mem_or_call_rhs): Rename to ...
2787 (is_gimple_mem_rhs_or_call): ... this.
2788 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2789 DECL_GIMPLE_REG_P only if is_formal is true.
2790 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2791 for non-proper post-modify expression gimplification.
2792 (gimplify_self_mod_expr): For post-modify expressions gimplify
2793 the lvalue to a minimal lvalue.
2794 (rhs_predicate_for): Remove formal temp case.
2795 (gimplify_modify_expr_rhs): Likewise.
2796 (gimplify_addr_expr): Use is_gimple_reg.
2797 (gimplify_expr): Remove formal temp cases.
2798 (gimple_regimplify_operands): Likewise.
2799 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2800 and FILTER_EXPR like constants.
2801 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2803 (is_gimple_formal_tmp_rhs): Remove.
2804 (is_gimple_reg_rhs): Remove special casing.
2805 (is_gimple_mem_rhs): Fix.
2806 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2807 (is_gimple_formal_tmp_var): Remove.
2808 (is_gimple_formal_tmp_reg): Likewise.
2809 (is_gimple_min_lval): Allow invariant component ref parts.
2810 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2811 is_gimple_formal_tmp_reg): Remove declarations.
2812 * tree-cfg.c (verify_expr): Verify that variables with address
2813 taken do not have DECL_GIMPLE_REG_P set.
2814 * tree-mudflap.c (mf_build_check_statement_for): Use
2815 force_gimple_operand instead of gimplify_expr.
2817 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2819 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2820 schedulable rows to compute_split_row.
2822 2009-03-31 Ben Elliston <bje@au.ibm.com>
2825 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2828 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2830 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2831 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2832 * configure: Regenerate.
2833 * config.in: Regenerate.
2834 * config/rs6000/rs6000.opt (mtls-markers): Add.
2835 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2836 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2837 (tls_ld_aix, tls_ld_sysv): Likewise.
2838 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2839 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2841 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2843 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2845 2009-03-30 Jan Hubicka <jh@suse.cz>
2847 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2849 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2850 detection and label handling.
2852 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2854 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2855 left_conflicts_size.
2856 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2857 ALLOCNO_LEFT_CONFLICTS_SIZE.
2859 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2860 remove_allocno_from_bucket_and_push,
2861 allocno_spill_priority_compare, push_allocnos_to_stack,
2862 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2863 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2864 (setup_allocno_left_conflicts_num): Ditto. Rename to
2865 setup_allocno_left_conflicts_size.
2866 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2867 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2868 setup_allocno_left_conflicts_size instead of
2869 setup_allocno_left_conflicts_num.
2871 * ira-build.c (ira_create_allocno): Use
2872 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2873 ALLOCNO_LEFT_CONFLICTS_NUM.
2875 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2877 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2878 instead of DF_LR_OUT.
2880 * ira-lives.c (process_bb_node_lives): Ditto.
2882 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2883 instead of DF_LR_{OUT,IN}.
2885 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2887 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2889 2009-03-30 Jan Hubicka <jh@suse.cz>
2891 * except.c (label_to_region_map): Fix thinko.
2893 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2896 * tree.h (tree_find_value): New declaration.
2897 * tree.c (tree_find_value): New function.
2898 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2900 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2903 * c-decl.c (struct c_binding): Add locus field.
2904 (bind): Add locus argument, set locus field from it.
2905 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2906 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2907 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2908 implicitly_declare, undeclared_variable, lookup_label,
2909 declare_label, c_make_fname_decl, c_builtin_function,
2910 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2913 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2916 * config/i386/i386.c (classify_argument): Check total size of
2919 2009-03-30 Martin Jambor <mjambor@suse.cz>
2921 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2922 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2923 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2926 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2927 seen_variable_array_ref while also traversing a union.
2929 * tree-inline.c (optimize_inline_calls): Do not call
2930 cgraph_node_remove_callees.
2931 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2932 (pass_remove_cgraph_callee_edges): New variable.
2933 * passes.c (init_optimization_passes): Add
2934 pass_remove_cgraph_callee_edges after early inlining and before all
2935 late intraprocedural passes.
2937 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2939 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2941 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2944 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2946 * combine.c (simplify_comparison): Use have_insn_for.
2947 * dojump.c (do_jump): Likewise.
2949 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2951 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2952 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2953 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2954 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2955 instead of sparc_compare_emitted.
2956 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2957 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2958 instead of sparc_compare_emitted.
2960 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2962 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2963 enter/exit cfglayout mode.
2964 (pass_partition_block): Require it.
2965 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2966 (combine_instructions): Track basic blocks instead of labels.
2967 (update_cfg_for_uncondjump): New.
2968 (try_combine): Use it. Update jumps after rescanning.
2969 (pass_combine): Require PROP_cfglayout.
2970 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2972 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2974 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2975 Provide/destroy PROP_cfglayout respectively.
2976 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2977 * tree-pass.h (PROP_cfglayout): New.
2979 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2981 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2982 fold_convert_const_fixed_from_fixed,
2983 fold_convert_const_fixed_from_int,
2984 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2985 set TREE_CONSTANT_OVERFLOW.
2986 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2987 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2989 2009-03-30 Ira Rosen <irar@il.ibm.com>
2991 * tree-vect-loop-manip.c: New file.
2992 * tree-vectorizer.c: Update documentation and included files.
2993 (vect_loop_location): Make extern.
2994 (rename_use_op): Move to tree-vect-loop-manip.c
2995 (rename_variables_in_bb, rename_variables_in_loop,
2996 slpeel_update_phis_for_duplicate_loop,
2997 slpeel_update_phi_nodes_for_guard1,
2998 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2999 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3000 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3001 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
3002 find_loop_location): Likewise.
3003 (new_stmt_vec_info): Move to tree-vect-stmts.c.
3004 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3005 get_vectype_for_scalar_type, vect_is_simple_use,
3006 supportable_widening_operation, supportable_narrowing_operation):
3008 (bb_in_loop_p): Move to tree-vect-loop.c.
3009 (new_loop_vec_info, destroy_loop_vec_info,
3010 reduction_code_for_scalar_code, report_vect_op,
3011 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3012 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3013 (vect_supportable_dr_alignment): Likewise.
3014 * tree-vectorizer.h (tree-data-ref.h): Include.
3015 (vect_loop_location): Declare.
3016 Reorganize function declarations according to the new file structure.
3017 * tree-vect-loop.c: New file.
3018 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
3019 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3020 * tree-vect-data-refs.c: New file.
3021 * tree-vect-patterns.c (timevar.h): Don't include.
3022 * tree-vect-stmts.c: New file.
3023 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
3024 tree-vect-slp.c, tree-vect-loop.c.
3025 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
3026 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
3027 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3028 (tree-vect-analyze.o): Remove.
3029 (tree-vect-transform.o): Likewise.
3030 (tree-vect-data-refs.o): Add rule.
3031 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
3032 tree-vect-slp.o): Likewise.
3033 (tree-vect-patterns.o): Remove redundant dependencies.
3034 (tree-vectorizer.o): Likewise.
3035 * tree-vect-slp.c: New file.
3037 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3039 * optc-gen.awk: Warn if an option flag has multiple different
3042 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
3044 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3045 -floop-block): Document dependences on PPL, CLooG and Graphite.
3047 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3049 PR rtl-optimization/323
3050 * c-common.c (c_fully_fold, convert_and_check,
3051 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3052 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3053 * c-common.def (EXCESS_PRECISION_EXPR): New.
3054 * c-cppbuiltin.c (builtin_define_float_constants): Define
3055 constants with enough digits for long double.
3056 * c-lex.c (interpret_float): Interpret constant with excess
3057 precision where appropriate.
3058 * c-opts.c (c_common_post_options): Set
3059 flag_excess_precision_cmdline. Give an error for
3060 -fexcess-precision=standard for C++ for processors where the
3061 option is significant.
3062 * c-parser.c (c_parser_conditional_expression): Handle excess
3063 precision in condition.
3064 * c-typeck.c (convert_arguments): Handle arguments with excess
3066 (build_unary_op): Move excess precision outside operation.
3067 (build_conditional_expr): Likewise.
3068 (build_compound_expr): Likewise.
3069 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3070 (build_modify_expr): Handle excess precision in RHS.
3071 (convert_for_assignment): Handle excess precision in converted
3073 (digest_init, output_init_element, process_init_element): Handle
3074 excess precision in initializer.
3075 (c_finish_return): Handle excess precision in return value.
3076 (build_binary_op): Handle excess precision in operands and add
3077 excess precision as needed for operation.
3078 * common.opt (-fexcess-precision=): New option.
3079 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3080 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3081 For standard excess precision, output explicit conversion to and
3082 truncation from XFmode.
3083 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3084 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3085 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3086 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3087 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3088 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3089 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3090 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3091 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3092 define_splits, sqrt<mode>2): Disable where appropriate for
3093 standard excess precision.
3094 * convert.c (convert_to_real): Do not shorten arithmetic to type
3095 for which excess precision would be used.
3096 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3097 * doc/invoke.texi (-fexcess-precision=): Document option.
3098 (-mfpmath=): Correct index entry.
3099 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3100 flag_excess_precision): New.
3101 * langhooks.c (lhd_post_options): Set
3102 flag_excess_precision_cmdline.
3103 * opts.c (common_handle_option): Handle -fexcess-precision=.
3104 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3105 init_excess_precision): New.
3106 (lang_dependent_init_target): Call init_excess_precision.
3107 * tree.c (excess_precision_type): New.
3108 * tree.h (excess_precision_type): Declare.
3110 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3113 * c-typeck.c (build_component_ref): Do not copy qualifiers from
3114 non-lvalue to component.
3116 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3118 PR preprocessor/34695
3119 * Makefile.in (c-opts.o): Depend on c-tree.h.
3120 * c-common.c: Move down include of diagnostic.h.
3121 (done_lexing, c_cpp_error): New.
3122 * c-common.h (done_lexing): Declare.
3123 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3125 * c-opts.c: Include c-tree.h.
3126 (c_common_init_options): Set preprocessor error callback.
3127 (c_common_handle_option): Do not set preprocessor
3128 inhibit_warnings, warnings_are_errors, warn_system_headers,
3129 pedantic_errors or inhibit_warnings flags.
3130 (c_common_post_options): Do not check cpp_errors (parse_in).
3131 (c_common_finish): Do not output dependencies if there were
3132 errors. Do not check return value of cpp_finish.
3133 * c-ppoutput.c (pp_file_change): Set input_location.
3134 * c-tree.h (c_cpp_error): Declare.
3135 * diagnostic.c (diagnostic_set_info_translated): Also initialize
3137 (diagnostic_build_prefix): Check override_column.
3138 * diagnostic.h (diagnostic_info): Add override_column field.
3139 (diagnostic_override_column): Define.
3141 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
3143 * c-common.c (c_expand_expr, c_staticp): Remove.
3144 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3145 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3146 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3147 * c-gimplify.c (gimplify_compound_literal_expr,
3148 optimize_compound_literals_in_ctor): Remove.
3149 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3150 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3151 * c-semantics.c (emit_local_var): Remove.
3153 * langhooks-def.h (lhd_expand_expr): Remove.
3154 * langhooks.c (lhd_expand_expr): Remove.
3155 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3157 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3158 handling from c-semantics.c; don't call into langhook.
3159 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3160 * gimplify.c (gimplify_compound_literal_expr,
3161 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3162 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3163 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3164 as was done in c-gimplify.c.
3165 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3166 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3167 Move from c-common.h.
3168 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3170 * tree.c (staticp): Do not call langhook.
3171 * langhooks.c (lhd_staticp): Delete.
3172 * langhooks-def.h (lhd_staticp): Delete prototype.
3173 (LANG_HOOKS_STATICP): Delete.
3174 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3176 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3177 instead of DECL_STMTs.
3179 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3187 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3189 (fold_call_expr): Return a NOP_EXPR from folding rather than the
3190 contained expression.
3191 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3192 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
3193 conditional expressions for C.
3194 (decl_constant_value_for_optimization): Move from
3195 decl_constant_value_for_broken_optimization in c-typeck.c. Check
3196 whether optimizing and that the expression is a VAR_DECL not of
3197 array type instead of doing such checks in the caller. Do not
3198 check pedantic. Call gcc_unreachable for C++.
3199 * c-common.def (C_MAYBE_CONST_EXPR): New.
3200 * c-common.h (c_fully_fold, c_save_expr,
3201 decl_constant_value_for_optimization): New prototypes.
3202 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3203 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3204 EXPR_INT_CONST_OPERANDS): Define.
3205 * c-convert.c (convert): Strip nops from expression.
3206 * c-decl.c (groktypename): Take extra parameters expr and
3207 expr_const_operands. Update call to grokdeclarator.
3208 (start_decl): Update call to grokdeclarator. Add statement for
3209 expressions used in type of decl.
3210 (grokparm): Update call to grokdeclarator.
3211 (push_parm_decl): Update call to grokdeclarator.
3212 (build_compound_literal): Add parameter non_const and build a
3213 C_MAYBE_COSNT_EXPR if applicable.
3214 (grokdeclarator): Take extra parameters expr and
3215 expr_const_operands. Track expressions used in declaration
3216 specifiers and declarators. Fold array sizes and track whether
3217 they are constant expressions and whether they are integer
3218 constant expressions.
3219 (parser_xref_tag): Set expr and expr_const_operands fields in
3221 (grokfield): Update call to grokdeclarator.
3222 (start_function): Update call to grokdeclarator.
3223 (build_null_declspecs): Set expr and expr_const_operands fields in
3225 (declspecs_add_type): Handle expressions in typeof specifiers.
3226 * c-parser.c (c_parser_declspecs): Set expr and
3227 expr_const_operands fields for declaration specifiers.
3228 (c_parser_enum_specifier): Likewise.
3229 (c_parser_struct_or_union_specifier): Likewise.
3230 (c_parser_typeof_specifier): Likewise. Update call to
3231 groktypename. Fold expression as needed. Return expressions with
3232 type instead of adding statements.
3233 (c_parser_attributes): Update calls to c_parser_expr_list.
3234 (c_parser_statement_after_labels): Fold expression before passing
3235 to objc_build_throw_stmt.
3236 (c_parser_condition): Fold expression.
3237 (c_parser_asm_operands): Fold expression.
3238 (c_parser_conditional_expression): Use c_save_expr. Update call
3239 to build_conditional_expr.
3240 (c_parser_alignof_expression): Update call to groktypename.
3241 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3242 original_code. Fold expression argument of va_arg. Create
3243 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3244 argument to va_arg. Update calls to groktypename. Fold array
3245 index for offsetof. Verify that first argument to
3246 __builtin_choose_expr has integer type.
3247 (c_parser_postfix_expression_after_paren_type): Update calls to
3248 groktypename and build_compound_literal. Handle expressions with
3249 side effects in type name.
3250 (c_parser_postfix_expression_after_primary): Update call to
3251 c_parser_expr_list. Set original_code for calls to
3252 __builtin_constant_p.
3253 (c_parser_expr_list): Take extra parameter fold_p. Fold
3254 expressions if requested.
3255 (c_parser_objc_type_name): Update call to groktypename.
3256 (c_parser_objc_synchronized_statement): Fold expression.
3257 (c_parser_objc_receiver): Fold expression.
3258 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3259 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3260 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3261 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3262 (struct c_typespec): Add elements expr and expr_const_operands.
3263 (struct c_declspecs): Add elements expr and expr_const_operands.
3264 (groktypename, build_conditional_expr, build_compound_literal):
3266 (in_late_binary_op): Declare.
3267 * c-typeck.c (note_integer_operands): New function.
3268 (in_late_binary_op): New variable.
3269 (decl_constant_value_for_broken_optimization): Move to c-common.c
3270 and rename to decl_constant_value_for_optimization.
3271 (default_function_array_conversion): Do not strip nops.
3272 (default_conversion): Do not call
3273 decl_constant_value_for_broken_optimization.
3274 (build_array_ref): Do not fold result.
3275 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
3276 result when operand is a VLA.
3277 (c_expr_sizeof_type): Update call to groktypename. Handle
3278 expressions included in type name. Use C_MAYBE_CONST_EXPR for
3279 result when operand names a VLA type.
3280 (build_function_call): Update call to build_compound_literal.
3281 Only fold result for calls to __builtin_* functions. Strip
3282 NOP_EXPR from INTEGER_CST returned from such functions. Fold
3283 the function designator.
3284 (convert_arguments): Fold arguments. Update call to
3285 convert_for_assignment.
3286 (build_unary_op): Handle increment and decrement of
3287 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
3288 decrement earlier. Fold operand of increment and decrement.
3289 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
3290 built for integer operand. Wrap returns that are INTEGER_CSTs
3291 without being integer constant expressions or that have integer
3292 constant operands without being INTEGER_CSTs.
3293 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3294 (build_conditional_expr): Add operand ifexp_bcp. Track whether
3295 result is an integer constant expression or can be used in
3296 unevaluated parts of one and avoid folding and wrap as
3297 appropriate. Fold operands before possibly doing -Wsign-compare
3299 (build_compound_expr): Wrap result for C99 if operands can be used
3300 in integer constant expressions.
3301 (build_c_cast): Update call to digest_init. Do not ignore
3302 overflow from casting floating-point constants to integers. Wrap
3303 results that could be confused with integer constant expressions,
3304 null pointer constants or floating-point constants.
3305 (c_cast_expr): Update call to groktypename. Handle expressions
3306 included in type name.
3307 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
3308 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
3309 Update calls to convert_for_assignment.
3310 (convert_for_assignment): Take new parameter
3311 null_pointer_constant. Do not strip nops or call
3312 decl_constant_value_for_broken_optimization. Set
3313 in_late_binary_op for conversions to boolean.
3314 (store_init_value): Update call to digest_init.
3315 (digest_init): Take new parameter null_pointer_constant. Do not
3316 call decl_constant_value_for_broken_optimization. pedwarn for
3317 initializers not constant expressions. Update calls to
3318 convert_for_assignment.
3319 (constructor_nonconst): New.
3320 (struct constructor_stack): Add nonconst element.
3321 (really_start_incremental_init, push_init_level, pop_init_level):
3322 Handle constructor_nonconst and nonconst element.
3323 (set_init_index): Call constant_expression_warning for array
3325 (output_init_element): Fold value. Set constructor_nonconst as
3326 applicable. pedwarn for initializers not constant expressions.
3327 Update call to digest_init. Call constant_expression_warning
3328 where constant initializers are required.
3329 (process_init_element): Use c_save_expr.
3330 (c_finish_goto_ptr): Fold expression.
3331 (c_finish_return): Fold return value. Update call to
3332 convert_for_assignment.
3333 (c_start_case): Fold switch expression.
3334 (c_process_expr_stmt): Fold expression.
3335 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3336 ensure statement expression is not evaluated in constant expression.
3337 (build_binary_op): Track whether results are integer constant
3338 expressions or may occur in such, disable folding and wrap results
3339 as applicable. Fold operands for -Wsign-compare warnings unless
3341 (c_objc_common_truthvalue_conversion): Handle results folded to
3342 integer constants that are not integer constant expressions.
3343 * doc/extend.texi: Document when typeof operands are evaluated,
3344 that condition of __builtin_choose_expr is an integer constant
3345 expression, and more about use of __builtin_constant_p in
3348 2009-03-29 Richard Guenther <rguenther@suse.de>
3350 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3351 propagate addresses of array references.
3353 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
3355 * regmove.c (perhaps_ends_bb_p): Remove.
3356 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
3357 from INSN and check that the main loop stays within that basic block.
3358 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3359 (regmove_forward_pass): Split out from regmove_optimize. Use
3360 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3361 (regmove_backward_pass): Split out from regmove_optimize. Use
3362 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3363 (regmove_optimize): Simplify.
3365 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3368 * config/i386/i386.c (classify_argument): Ignore flexible array
3369 member in struct and warn ABI change.
3371 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3373 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3375 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3376 (ix86_adjust_cost): Updated.
3378 2009-03-29 Jan Hubicka <jh@suse.cz>
3381 * tree-pass.h (pass_cleanup_eh): New function.
3382 (remove_unreachable_regions): Break code handling RTL
3383 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3384 that can not be reached by runtime.
3385 (can_be_reached_by_runtime): New function.
3386 (label_to_region_map): New function.
3387 (num_eh_regions): New function.
3388 (rtl_remove_unreachable_regions): New function.
3389 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3390 (remove_eh_region): New function.
3391 * except.h: Include sbitmap and vecprim.
3392 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3393 num_eh_regions): Declare.
3394 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3395 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3396 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3397 (tree_empty_eh_handler_p): New function.
3398 (cleanup_empty_eh): New function.
3399 (cleanup_eh): New function.
3400 (pass_cleanup_eh): New function.
3402 2009-03-29 Jan Hubicka <jh@suse.cz>
3404 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3405 for removed regions.
3407 2009-03-29 Jan Hubicka <jh@suse.cz>
3409 * except.c (dump_eh_tree): Dump all datastructures.
3411 2009-03-29 Jan Hubicka <jh@suse.cz>
3413 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3414 (duplicate_eh_regions_1): Likewise.
3415 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3416 vector; call EH verification.
3417 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3418 Be ready for region being removed.
3420 2009-03-29 Jan Hubicka <jh@suse.cz>
3422 * bitmap.c (bitmap_last_set_bit): New function.
3423 * bitmap.h (bitmap_last_set_bit): Declare.
3425 2009-03-29 David Ayers <ayers@fsfe.org>
3428 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3429 by calling objc_compare_types and surpress warnings about
3430 incompatible C pointers that are compatible ObjC pointers.
3432 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3434 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3435 call initialize_inline_failed.
3436 (initialize_inline_failed): Move it from here ...
3437 * cgraph.c (initialize_inline_failed): ... to here.
3438 (cgraph_create_edge): Call initialize_inline_failed rather than
3439 setting inline_failed directly.
3441 2009-03-29 Ben Elliston <bje@au.ibm.com>
3444 * sysv4.opt (msdata): Improve comment.
3445 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3446 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3448 2009-03-29 Ben Elliston <bje@au.ibm.com>
3451 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3452 load and store attributes.
3454 2009-03-29 Ben Elliston <bje@au.ibm.com>
3456 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3457 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3458 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3459 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3460 __builtin_infq and __builtin_huge_valq.
3462 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3464 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3466 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3467 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3469 2009-03-28 Xinliang David Li <davidxl@google.com>
3471 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3472 (do_dbg_cnt): New function.
3474 2009-03-28 Jan Hubicka <jh@suse.cz>
3476 Merge from pretty-ipa:
3478 2009-03-27 Jan Hubicka <jh@suse.cz>
3480 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3481 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3482 * passes.c (function_called_by_processed_nodes_p): New.
3483 * ipa-pure-const.c (check_call): Fix handling of operands.
3484 (analyze_function): Dump debug output for skipped bodies.
3485 (local_pure_const): Use function_called_by_processed_nodes_p.
3486 * dwarf2out.c (reference_to_unused): Use output.
3487 * passes.c (do_per_function_toporder): Likewise.
3489 2008-11-12 Jan Hubicka <jh@suse.cz>
3491 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3492 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3493 state_set_in_source enum
3494 (check_decl): Ignore memory tags; do not set fake looping flags;
3496 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3497 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3498 (check_call, analyze_function): Rewrite.
3500 (add_new_function): Update call of analyze_function.
3501 (generate_summary): Add call of analyze_function.
3502 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3503 (local_pure_const): New function.
3504 (pass_local_pure_const): New pass.
3505 * ipa-inline.c (inline_transform): Set after_inlining.
3506 * tree-eh.c (stmt_can_throw_external): New.
3507 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3508 work with aliasing built.
3509 * tree-flow.h (stmt_can_throw_external): New.
3510 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3511 and local pure/const pass in early and late optimization queue.
3513 2009-03-28 Martin Jambor <mjambor@suse.cz>
3515 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3517 (fold_binary): Allow function decl aligment consideration is the
3518 second argument is integer constant one.
3519 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3520 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3521 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3523 2009-03-28 Jan Hubicka <jh@suse.cz>
3525 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3526 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3527 * function.h (rtl_data): Add nothrow flag.
3528 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3529 set DECL_NOTHROW for AVAILABLE functions.
3531 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3533 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3534 following vector keyword has expansion starting with pixel or bool
3535 keyword, expand vector to __vector and pixel or bool to __pixel or
3539 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3540 warn_if_disallowed_function_p): Removed.
3541 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3542 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3543 warning_if_disallowed_function_p.
3544 * flags.h (warn_if_disallowed_function_p,
3545 warn_disallowed_functions): Removed.
3546 * common.opt (Wdisallowed-function-list=): Removed.
3547 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3549 2009-03-28 Richard Guenther <rguenther@suse.de>
3551 PR tree-optimization/38723
3552 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3555 2009-03-28 Jan Hubicka <jh@suse.cz>
3557 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3558 test introduced by my previous patch.
3560 2009-03-28 Richard Guenther <rguenther@suse.de>
3562 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3563 the PHIs value undefined.
3565 2009-03-28 Jan Hubicka <jh@suse.cz>
3567 * tree-pass.h (pass_fixup_cfg): New pass.
3568 * ipa-inline.c (inline_transform): Set
3569 always_inline_functions_inlined/after_inlining.
3570 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3571 (pass_fixup_cfg): New pass.
3572 * passes.c (init_optimization_passes): Add fixup_cfg.
3574 2009-03-28 Richard Guenther <rguenther@suse.de>
3576 PR tree-optimization/38458
3577 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3578 argument use the arguments copy-of value.
3580 2009-03-28 Richard Guenther <rguenther@suse.de>
3582 PR tree-optimization/38180
3583 * tree-ssa-ccp.c (get_default_value): Simplify.
3584 (likely_value): Likewise.
3585 (surely_varying_stmt_p): Properly handle VOP case.
3586 (ccp_initialize): Likewise.
3587 (ccp_fold): Handle propagating through *&.
3588 (fold_const_aggregate_ref): Also handle decls.
3590 2009-03-28 Jan Hubicka <jh@suse.cz>
3592 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3593 * cgraph.h (cgraph_node): Likewise.
3594 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3595 (cgraph_reset_node): Use process flag.
3596 (cgraph_mark_functions_to_output): Likewise.
3597 (cgraph_expand_function): Likewise.
3598 (cgraph_expand_all_functions): Likewise.
3599 (cgraph_output_in_order): Likewise.
3600 * dwarf2out.c (reference_to_unused): Likewise.
3601 * passes.c do_per_function_toporder): Likewise.
3603 2009-03-28 Jan Hubicka <jh@suse.cz>
3605 Bring from lto-branch:
3607 2008-09-03 Doug Kwan <dougkwan@google.com>
3609 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3610 enums instead of reason strings.
3611 * cgraph.c (cgraph_create_edge): Same.
3612 (cgraph_inline_failed_string): New function.
3613 * cgraph.h (cgraph_inline_failed_t): New enum type.
3614 (cgraph_inline_failed_string): New prototype.
3615 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3616 char pointer to cgraph_inline_failed_t.
3617 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3618 (cgraph_default_inline_p): Ditto.
3619 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3620 to cgraph_inline_failed_t pointer.
3621 * cif-code.def: New file.
3622 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3624 (cgraph_check_inline_limits): Change type of REASON to pointer to
3625 cgraph_inline_failed_t. Replace reason strings with enums.
3626 (cgraph_default_inline_p): Ditto.
3627 (cgraph_recursive_inlining_p): Ditto.
3628 (update_caller_keys): Change type of FAILED_REASON to
3629 cgraph_inline_failed_t.
3630 (cgraph_set_inline_failed): Change type of REASON to pointer to
3631 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3632 convert enums to strings for text output.
3633 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3634 to be of type cgraph_inline_failed_t. Replace reason strings with
3635 enums. Call cgraph_inline_failed_string to covert enums
3636 to strings for text output.
3637 (cgraph_decide_inlining): Replace reason strings with enums.
3638 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3639 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3641 * tree-inline.c (expand_call_inline): Change type of REASON
3642 to cgraph_inline_failed_t. Replace reason strings with enums.
3643 Call cgraph_inline_failed_string for text output.
3644 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3647 2009-03-28 Jan Hubicka <jh@suse.cz>
3649 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3650 cgraph_clone_node): Remove master clone handling.
3651 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3652 * cgraph.h (master_clone): Remove.
3653 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3654 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3655 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3657 2009-03-28 Jan Hubicka <jh@suse.cz>
3659 * cgraph.c (cgraph_function_body_availability): Functions declared
3660 inline are always safe to assume that it is not going to be replaced.
3662 2009-03-28 Richard Guenther <rguenther@suse.de>
3664 PR tree-optimization/38513
3665 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3666 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3667 EXC_PTR_EXPR and FILTER_EXPR.
3668 (get_ref_from_reference_ops): Likewise.
3670 2009-03-28 Richard Guenther <rguenther@suse.de>
3672 PR tree-optimization/38968
3673 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3674 Use FLOOR_MOD_EXPR to compute misalignment.
3676 2009-03-28 Richard Guenther <rguenther@suse.de>
3678 PR tree-optimization/37795
3679 * tree.h (combine_comparisons): Declare.
3680 * fold-const.c (combine_comparisons): Export.
3681 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3683 (ifcombine_iforif): Use combine_comparisons.
3685 2009-03-28 Jan Hubicka <jh@suse.cz>
3687 * tree-eh.c (inlinable_call_p): New function.
3688 (make_eh_edges): Use it.
3689 (verify_eh_edges): Use it.
3690 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3691 * except.c (reachable_next_level): Add inlinable_function argument
3692 (sjlj_find_directly_reachable_regions): Update.
3693 (add_reachable_handler): Do not set saw_any_handlers.
3694 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3695 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3696 Add new inlinable call parameter.
3697 (can_throw_internal, can_throw_external): Update.
3698 * except.h (can_throw_internal_1, can_throw_external_1,
3699 foreach_reachable_handler): Update declaration.
3701 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3703 * config/arm/t-arm-coff, config/h8300/coff.h,
3704 config/i386/i386-aout.h, config/i386/i386-coff.h,
3705 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3706 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3707 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3708 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3709 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3710 sys-types.h: Remove.
3711 * Makefile.in: Remove protoize and fixproto support and references
3713 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3714 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3716 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3717 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3718 unprotoize$(exeext).
3719 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3720 (.PHONY): Don't depend on proto.
3721 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3722 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3723 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3724 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3725 build/gen-protos.o, build/scan.o, xsys-protos.h,
3726 build/fix-header$(build_exeext), build/fix-header.o,
3727 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3728 stmp-install-fixproto): Remove.
3729 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3730 SYSCALLS.c or fixproto files.
3731 (install-common): Don't install protoize.
3732 (install-headers-tar, install-headers-cpio, install-headers-cp):
3733 Don't depend on $(STMP_FIXPROTO).
3734 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3735 install fixproto files or write out fixproto settings.
3736 (uninstall): Don't uninstall protoize.
3737 * config.gcc (use_fixproto): Remove.
3738 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3739 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3740 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3741 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3742 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3743 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3744 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3745 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3746 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3747 * config/t-vxworks (STMP_FIXPROTO): Remove.
3748 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3749 STMP_FIXPROTO): Remove.
3750 * config.in, configure: Regenerate.
3751 * crtstuff.c (gid_t, uid_t): Don't undefine.
3752 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3753 (arm-*-coff, arm-*-aout: Remove target entries.
3754 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3755 Remove mention of AIX 4.1.
3756 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3757 * doc/invoke.texi (Running Protoize): Remove.
3758 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3759 (Protoize Caveats): Remove.
3760 * tsystem.h: Update comments on headers assumed to exist.
3762 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3764 * genautomata.c: Add a new year to the copyright. Add a new
3766 (struct insn_reserv_decl): Add comments for member bypass_list.
3767 (find_bypass): Remove.
3768 (insert_bypass): New.
3769 (process_decls): Use insert_bypass.
3770 (output_internal_insn_latency_func): Output all bypasses with the
3771 same input insn in one switch case.
3773 * rtl.def (define_bypass): Describe bypass choice.
3774 * doc/md.texi (define_bypass): Ditto.
3776 2009-03-27 Richard Guenther <rguenther@suse.de>
3778 * gimplify.c (mark_addressable): Export.
3779 * tree-flow.h (mark_addressable): Declare.
3780 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3781 * tree-ssa.c (verify_phi_args): Verify that address taken
3782 variables have TREE_ADDRESSABLE set.
3784 2009-03-27 Richard Guenther <rguenther@suse.de>
3786 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3787 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3788 Do not mark decls TREE_ADDRESSABLE.
3789 (build_fold_addr_expr): Adjust.
3790 (fold_addr_expr): Remove.
3791 (fold_unary): Use build_fold_addr_expr.
3792 (fold_comparison): Likewise.
3793 (split_address_to_core_and_offset): Likewise.
3794 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3796 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3797 (gimplify_modify_expr_to_memcpy): Mark source and destination
3799 * omp-low.c (create_omp_child_function): Mark the object decl
3801 (lower_rec_input_clauses): Mark the var we take the address of
3803 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3805 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3808 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3809 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3811 2009-03-27 Richard Guenther <rguenther@suse.de>
3813 PR tree-optimization/39120
3814 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3816 (handle_lhs_call): Process return constraints. Add escape
3817 constraints if necessary.
3818 (handle_const_call): Fill out return constraints. Make nested
3819 case more precise. Avoid consttmp if possible.
3820 (handle_pure_call): Fill out return constraints. Avoid
3821 callused if possible.
3822 (find_func_aliases): Simplify call handling.
3824 2009-03-27 Richard Guenther <rguenther@suse.de>
3826 PR tree-optimization/39120
3827 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3828 as a representative.
3829 (solve_graph): Do propagate CALLUSED.
3830 (handle_pure_call): Use a scalar constraint from CALLUSED for
3832 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3835 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3838 * c-common.c (handle_aligned_attribute): Properly check alignment
3839 overflow. Use (1U << i) instead of (1 << i).
3841 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3843 * expr.h (get_mem_align_offset): Updated.
3845 * tree.h (tree_decl_common): Change align to "unsigned int" and
3846 move it before pointer_alias_set.
3848 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3849 Jakub Jelinek <jakub@redhat.com>
3852 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3853 gr_register_operand with gr_reg_or_0_operand.
3854 (cmpxchg_rel_di): Likewise.
3855 (sync_lock_test_and_set<mode>): Likewise.
3857 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3859 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3860 (true_regnum): Likewise.
3862 * rtlanal.c (subreg_info): Moved to ...
3863 * rtl.h (subreg_info): Here. New.
3864 (subreg_get_info): New.
3866 * rtlanal.c (subreg_get_info): Make it extern.
3868 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3871 * config/i386/i386.c (ix86_abi): New.
3872 (override_options): Handle -mabi=.
3873 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3874 (ix86_call_abi_override): Likewise.
3875 (init_cumulative_args): Likewise.
3876 (function_arg_advance): Likewise.
3877 (function_arg_64): Likewise.
3878 (function_arg): Likewise.
3879 (ix86_pass_by_reference): Likewise.
3880 (ix86_function_value_regno_p): Likewise.
3881 (ix86_build_builtin_va_list_abi): Likewise.
3882 (setup_incoming_varargs_64): Likewise.
3883 (is_va_list_char_pointer): Likewise.
3884 (ix86_init_machine_status): Likewise.
3885 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3886 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3887 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3888 (ix86_function_abi): Make it static and return enum calling_abi.
3889 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3891 (ix86_fn_abi_va_list): Updated.
3893 * config/i386/i386.h (ix86_abi): New.
3894 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3895 (CONDITIONAL_REGISTER_USAGE): Likewise.
3896 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3897 (machine_function): Likewise.
3899 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3901 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3902 (STACK_BOUNDARY): Likewise.
3903 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3905 * config/i386/i386.opt (mabi=): New.
3907 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3908 return enum calling_abi.
3909 (ix86_function_type_abi): Likewise.
3910 (ix86_function_abi): Removed.
3912 * doc/invoke.texi: Document -mabi= option for x86.
3914 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3916 * builtins.c (real_dconstp): Delete.
3917 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3919 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3920 Jakub Jelinek <jakub@redhat.com>
3923 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3924 (gen_subprogram_die): When a function is explicit, generate the
3925 DW_AT_explicit attribute.
3926 * langhooks.h (struct lang_hooks_for_decls): Add
3927 function_decl_explicit_p langhook.
3928 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3929 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3931 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3933 * builtins.c (fold_builtin_memory_op): Optimize memmove
3934 into memcpy if we can prove source and destination don't overlap.
3936 * tree-inline.c: Include gt-tree-inline.h.
3937 (clone_fn_id_num): New variable.
3938 (clone_function_name): New function.
3939 (tree_function_versioning): Use it.
3940 * Makefile.in (GTFILES): Add tree-inline.c.
3942 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3944 * BASE-VER: Change to 4.5.0.
3946 2009-03-27 Xinliang David Li <davidxl@google.com>
3948 PR tree-optimization/39557
3949 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3951 2009-03-27 Xinliang David Li <davidxl@google.com>
3953 PR tree-optimization/39548
3954 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3957 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3959 * c-common.c (pointer_int_sum): Use %wd on return from
3962 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3964 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3965 on return from tree_low_cst.
3967 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3970 * ginclude/stdarg.h (va_copy): Define also for
3971 __GXX_EXPERIMENTAL_CXX0X__.
3973 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3976 * builtins.h (c_strlen): Do not warn here.
3977 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3978 * c-common.c (pointer_int_sum): Take an explicit location.
3979 Warn about offsets out of bounds.
3980 * c-common.h (pointer_int_sum): Adjust declaration.
3982 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3984 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3987 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3990 * opts.c (warn_if_disallowed_function_p): Don't assume
3991 get_callee_fndecl must return non-NULL.
3993 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3995 PR rtl-optimization/39522
3996 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3997 when reg_reloaded_valid is set.
3999 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4001 * config/spu/divv2df3.c: New file.
4002 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4003 (DPBIT_FUNCS): Filter out _div_df.
4005 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
4007 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4008 a jump insn, count that jump in the distance to the loop start.
4010 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
4013 * config/sh/sh.c (calc_live_regs): Fix condition for global
4014 registers except PIC_OFFSET_TABLE_REGNUM.
4016 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
4019 * doc/invoke.texi (-mconsole): New.
4023 (-mnop-fun-dllimport): New.
4027 (sub section "i386 and x86-64 Windows Options"): New.
4029 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
4031 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4032 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4034 2009-03-25 Richard Guenther <rguenther@suse.de>
4037 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4040 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
4042 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4043 neither of haifa/selective schedulers are working.
4045 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4047 * doc/invoke.texi (Debugging Options): Fix description of
4048 -fno-merge-debug-strings.
4050 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
4052 * config/cris/libgcc.ver: New version-script.
4053 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4055 * configure.ac <GAS features, nop mnemonic>: Add pattern
4056 crisv32-*-* for "nop".
4057 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4058 * configure: Regenerate.
4060 2009-03-24 Ira Rosen <irar@il.ibm.com>
4062 PR tree-optimization/39529
4063 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4064 mark_sym_for_renaming for the tag copied to the new vector
4067 2009-03-24 Arthur Loiret <aloiret@debian.org>
4069 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4070 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4071 EXTRA_SPEC_FUNCTIONS.
4072 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4073 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4074 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4075 -march and -mtune options.
4077 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
4079 * config/m68k/t-rtems: Add m5329 multilib.
4081 2009-03-24 Dodji Seketeli <dodji@redhat.com>
4082 Jakub Jelinek <jakub@redhat.com>
4085 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4088 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4091 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4092 instead of c_parser_expression_conv, if original_code isn't one of the
4093 4 allowed comparison codes, fail.
4095 2009-03-23 Richard Guenther <rguenther@suse.de>
4097 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4098 * tree.h (struct tree_type): Likewise.
4099 * reload.h (struct insn_chain): Likewise.
4100 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4101 * function.h (struct function): Likewise.
4102 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4104 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4106 PR tree-optimization/39516
4107 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4109 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
4111 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
4112 should be set true if BITS_PER_WORD of target is bigger than 32
4114 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
4116 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4117 Translate -B-options to -rpath-link. Correct existing
4118 rpath-link and conditionalize on !nostdlib.
4120 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4122 * doc/extend.texi (Function Attributes, Variable Attributes):
4124 * doc/invoke.texi (Debugging Options, Optimize Options)
4125 (i386 and x86-64 Options, MCore Options): Likewise.
4127 2009-03-20 Jakub Jelinek <jakub@redhat.com>
4130 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4131 it for block local namespace aliases.
4132 (gen_decl_die): Pass context_die to gen_namespace_die.
4134 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4137 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4138 minimum or maximum value.
4140 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
4142 * reginfo.c (globalize_reg): Recompute derived reg sets.
4144 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
4147 * libgcc2.c (mprotect): Do not use signed arguments for
4148 VirtualProtect, use DWORD arguments. Also fix the 'may
4149 be used uninitialized' warning for the np variable.
4151 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4154 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4155 functions using regparm calling conventions when not optimizing.
4156 (ix86_function_sseregparm): Similarly for sseregparm calling
4159 2009-03-19 Li Feng <nemokingdom@gmail.com>
4162 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4163 dependence if the first conflict is after niter iterations.
4165 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
4168 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4169 functions with dynamic stack-pointer adjustments.
4171 2009-03-19 Ben Elliston <bje@au.ibm.com>
4173 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4174 option; change to -msdata=data.
4176 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4178 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4181 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
4184 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4186 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
4188 * doc/invoke.texi (Code Gen Options): Expand discussion of
4191 2009-03-18 Jakub Jelinek <jakub@redhat.com>
4193 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4194 * matrix-reorg.c (struct matrix_info): Likewise.
4195 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4196 * rtl.h (struct mem_attrs): Likewise.
4197 * df.h (struct df): Likewise.
4198 * tree-data-ref.h (struct data_dependence_relation): Likewise.
4199 * ira-int.h (struct ira_allocno): Likewise.
4200 * df-scan.c (struct df_collection_rec): Likewise.
4201 * ira.c (struct equivalence): Likewise.
4202 * function.c (struct temp_slot): Likewise.
4203 * cfgloop.h (struct loop): Likewise.
4206 * function.c (use_register_for_decl): When not optimizing, disregard
4207 register keyword for variables with types containing methods.
4209 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
4212 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4213 (is_simple_operand): Call contains_component_ref_p before calling data
4214 reference analysis that would fail on COMPONENT_REFs.
4216 * tree-vrp.c (search_for_addr_array): Fix formatting.
4218 2009-03-18 Richard Guenther <rguenther@suse.de>
4220 * tree-vect-transform.c (vect_loop_versioning): Fold the
4221 generated comparisons.
4222 * tree-vectorizer.c (set_prologue_iterations): Likewise.
4223 (slpeel_tree_peel_loop_to_edge): Likewise.
4225 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4228 * opts.c (print_specific_help): In addition to `undocumented',
4229 accept `separate' and `joined' flags if passed alone. Describe
4230 output by the first matched one of those.
4231 (common_handle_option): Skip over empty strings.
4232 * gcc.c (display_help): Fix help string for `--help='.
4233 * doc/invoke.texi (Option Summary, Overall Options): With
4234 `--help=', classes and qualifiers can both be repeated, but
4235 only the latter can be negated. One should not pass only
4236 negated qualifiers. Fix markup and examples.
4239 2008-10-14 Jakub Jelinek <jakub@redhat.com>
4241 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4242 and -fhelp=separate.
4244 2009-03-17 Jing Yu <jingyu@google.com>
4247 * function.h (struct rtl_data): Move is_thunk from here...
4248 (struct function): ...to here.
4249 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4250 * varasm.c (assemble_start_function): Change is_thunk from crtl to
4252 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4254 (alpha_does_function_need_gp, alpha_start_function): Likewise.
4255 (alpha_output_function_end_prologue): Likewise.
4256 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4257 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4258 (rs6000_output_function_epilogue): Likewise.
4259 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4261 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
4264 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4265 from different units in a single alternative.
4266 (*truncdfsf_i387): Ditto.
4267 (*truncxfsf2_mixed): Ditto.
4268 (*truncxfdf2_mixed): Ditto.
4270 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4272 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4273 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4276 * tree-ssa-live.c (remove_unused_locals): Don't remove local
4277 unused non-artificial variables when not optimizing.
4280 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4281 DW_TAG_imported_module even if decl is IMPORTED_DECL with
4282 NAMESPACE_DECL in its DECL_INITIAL.
4285 * optabs.c (set_user_assembler_libfunc): New function.
4286 * expr.h (set_user_assembler_libfunc): New prototype.
4287 * c-common.c: Include libfuncs.h.
4288 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4289 for memcmp, memset, memcpy, memmove and abort.
4290 * Makefile.in (c-common.o): Depend on libfuncs.h.
4293 * dwarf2out.c (gen_inlined_enumeration_type_die,
4294 gen_inlined_structure_type_die, gen_inlined_union_type_die,
4295 gen_tagged_type_instantiation_die): Removed.
4296 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4299 2009-03-17 Janis Johnson <janis187@us.ibm.com>
4302 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4304 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4305 (check-parallel-%): Ditto.
4306 (check-consistency): Ditto.
4308 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
4310 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4311 local variable rhs by NULL_TREE.
4313 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4316 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4318 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4321 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4323 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4326 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4327 for ms->sysv ABI calls only in 64bit mode.
4329 * config/i386/i386.md (untyped_call): Support 32bit.
4331 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
4333 * doc/extend.texi: Replace x86_65 with x86_64.
4335 2009-03-16 Jakub Jelinek <jakub@redhat.com>
4337 PR tree-optimization/39455
4338 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4339 mismatches for POINTER_TYPE_P (type).
4340 (number_of_iterations_le): Likewise.
4342 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4344 * config/picochip/picochip.c: Removed profiling support.
4345 * config/picochip/picochip.md: Removed profiling instruction.
4346 * config/picochip/picochip.h: Removed profiling builtin.
4348 2009-03-16 Joseph Myers <joseph@codesourcery.com>
4350 * doc/install.texi (--with-host-libstdcxx): Document.
4352 2009-03-14 Anatoly Sokolov <aesok@post.ru>
4355 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4356 generate a warning if the function name does not begin with
4357 "__vector" and the function has either the 'signal' or 'interrupt'
4358 attribute, from here to ...
4359 (avr_declare_function_name): ...here. New function.
4360 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4361 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4363 2009-03-14 Jakub Jelinek <jakub@redhat.com>
4366 * cse.c (fold_rtx): Don't modify original const_arg1 when
4367 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4368 separate variable instead.
4369 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4370 from out of range shift counts.
4371 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4373 2008-03-13 Catherine Moore <clm@codesourcery.com>
4375 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4376 diagnostic.h with $(DIAGNOSTIC_H).
4378 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4381 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4383 * config/i386/sync.md (sync_compare_and_swap<mode>,
4384 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4385 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4387 (sync_double_compare_and_swapdi_pic,
4388 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4389 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4391 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4394 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4396 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4399 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4400 (avx_addsubv4df3): Likewise.
4401 (*avx_addsubv4sf3): Likewise.
4402 (sse3_addsubv4sf3): Likewise.
4404 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4407 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4409 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4412 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4413 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4414 registers for allocnos created from user-defined variables.
4416 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4419 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4420 of non-integer mode as well.
4422 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4424 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4425 for functions for which the parameter types are unknown.
4427 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4430 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4431 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4432 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4433 * config/i386/i386.c (ix86_local_alignment): For
4434 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4435 long long variables on the stack to avoid dynamic realignment.
4436 Allow the first argument to be a decl rather than type.
4437 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4439 2009-03-11 Nick Clifton <nickc@redhat.com>
4442 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4444 Add description to mno-lsim option.
4445 * config/mcore/mcore.h: Remove comment about deprecated m4align
4447 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4448 * doc/invoke.texi: Add description of mno-lsim and
4449 mstack-increment options.
4451 * config/fr30/fr30.opt: Document the -mno-lsim option.
4452 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4453 and -mno-lsim options.
4455 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4457 * fold-const.c (fold_comparison): Only call fold_inf_compare
4458 if the mode supports infinities.
4460 2009-03-11 Jason Merrill <jason@redhat.com>
4463 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4464 end already did. Notice GIMPLE_CALL modifications of the result.
4465 Don't copy debug information from an ignored decl or a decl from
4468 2009-03-10 Richard Guenther <rguenther@suse.de>
4469 Nathan Froyd <froydnj@codesourcery.com>
4472 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4473 (__divMODE3): Likewise.
4475 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4477 PR tree-optimization/39394
4478 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4479 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4481 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4483 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4484 inline asms for register asm ("") declarations.
4486 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4488 * fold-const.c (fold_unary): Fix comment.
4490 2009-03-07 Jan Hubicka <jh@suse.cz>
4493 * tree-inline.c (setup_one_parameter): Do replacement of const
4494 argument by constant in SSA form.
4496 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4499 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4500 determine alignment passed to assign_stack_local.
4501 (assign_parms_unsplit_complex): Likewise.
4502 * except.c (sjlj_build_landing_pads): Likewise.
4504 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4507 * tree-flow.h (add_referenced_var): Return bool instead of void.
4508 * tree-dfa.c (add_referenced_var): Return result of
4509 referenced_var_check_and_insert call.
4510 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4511 of referenced_var_check_and_insert.
4514 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4515 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4516 DIE, don't emit it if abstract origin already has it.
4517 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4518 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4520 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4522 * genpreds.c (needs_variable): Fix parentheses at variable name
4524 (write_tm_constrs_h): Indent generated code.
4526 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4528 * doc/extend.texi (Function Attributes): Add documentation
4531 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4534 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4535 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4537 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4539 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4542 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4545 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4546 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4548 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4550 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4551 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4552 constants instead of magic numbers.
4553 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4555 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4556 (x86_64_ms_abi_int_parameter_registers): Ditto.
4557 (x86_64_int_return_registers): Ditto.
4558 (ix86_maybe_switch_abi): Ditto.
4559 (ix86_expand_call): Ditto for clobbered_registers array.
4560 (ix86_hard_regno_mode_ok): Ditto.
4561 (x86_extended_QIreg_mentioned_p): Ditto.
4563 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4565 PR tree-optimization/39349
4566 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4568 * combine.c (gen_lowpart_for_combine): Use omode when generating
4571 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4573 PR rtl-optimization/39235
4574 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4576 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4578 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4580 2009-03-04 Richard Guenther <rguenther@suse.de>
4582 PR tree-optimization/39362
4583 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4584 that occur in abnormal PHIs should be varying.
4586 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4588 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4590 (simple_iv): Take loop as an argument instead of statement.
4591 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4592 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4594 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4596 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4597 * matrix-reorg.c (analyze_transpose): Ditto.
4598 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4599 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4600 * tree-predcom.c (ref_at_iteration): Ditto.
4601 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4603 2009-03-04 Richard Guenther <rguenther@suse.de>
4605 PR tree-optimization/39358
4606 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4607 escaped_id and callused_id.
4608 (solve_graph): Likewise.
4610 2009-03-04 Richard Guenther <rguenther@suse.de>
4612 PR tree-optimization/39339
4613 * tree-sra.c (try_instantiate_multiple_fields): Make it
4614 no longer ICE on the above.
4616 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4618 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4619 that fits within Pmode.
4621 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4624 * tm.texi (LIBCALL_VALUE): Update description.
4626 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4629 * doc/extend.texi (section): Update description.
4631 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4634 * tree-inline.c (remapped_type): New.
4635 (can_be_nonlocal): Call remapped_type instead of remap_type.
4637 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4640 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4641 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4643 2009-03-03 Richard Guenther <rguenther@suse.de>
4646 * tree.c (tree_nonartificial_location): New function.
4647 * tree.h (tree_nonartificial_location): Declare.
4648 * builtins.c (expand_builtin_memory_chk): Provide location
4649 of the call location for artificial function pieces.
4650 (maybe_emit_chk_warning): Likewise.
4651 (maybe_emit_sprintf_chk_warning): Likewise.
4652 (maybe_emit_free_warning): Likewise.
4653 * expr.c (expand_expr_real_1): Likewise.
4655 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4657 PR tree-optimization/39343
4658 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4659 COMPONENT_REF t has ARRAY_TYPE.
4661 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4664 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4665 when the type precision of the induction variable should be
4666 larger than the type precision of nit.
4667 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4668 * graphite.c (graphite_loop_normal_form): Same.
4669 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4671 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4673 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4674 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4675 numbers to describe clobbered registers.
4676 (*call_value_0_rex64_ms_sysv): Ditto.
4677 * config/i386/mmx.md (mmx_emms): Ditto.
4680 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4682 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4685 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4687 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4688 (spu_section_type_flags): New function.
4690 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4692 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4693 reg_class_contents of FLOAT_REGS into a temporary.
4695 2009-03-02 Richard Guenther <rguenther@suse.de>
4696 Ira Rosen <irar@il.ibm.com>
4698 PR tree-optimization/39318
4699 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4700 information to the vectorized statement.
4702 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4704 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4705 variable. Use defined names instead of magic constants for REX SSE
4708 2009-03-01 Richard Guenther <rguenther@suse.de>
4710 PR tree-optimization/39331
4711 * omp-low.c (lower_send_shared_vars): Do not receive new
4712 values for the reference of DECL_BY_REFERENCE parms or results.
4714 2009-03-01 Jan Hubicka <jh@suse.cz>
4717 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4718 BLOCK_NONLOCALIZED_VAR): New macros.
4719 (tree_block): Add nonlocalized_vars.
4720 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4721 gen_decl_die): Add origin argument. Allow generation of die with
4722 origin at hand only.
4723 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4724 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4726 (gen_block_die): Fix checking for unused blocks.
4727 (process_scope_var): Break out from .... ; work with origins only.
4728 (decls_for_scope) ... here; process nonlocalized list.
4729 (dwarf2out_ignore_block): Look for nonlocalized vars.
4730 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4732 (dump_scope_block): Dump them.
4733 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4734 (remap_block): Likewise.
4735 (can_be_nonlocal): New predicate.
4736 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4738 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4740 * configure: Regenerate.
4742 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4744 * optc-gen.awk: No need to duplicate option flags twice.
4745 Reuse help texts for duplicate options which do not have any.
4747 * gcc.c (display_help): Document --version.
4749 * gcc.c (main): If print_help_list and verbose_flag, ensure
4750 driver output comes before subprocess output.
4752 * optc-gen.awk: Assign all remaining fields to help string,
4753 space-separated, for multi-line help in *.opt.
4755 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4756 -Wno-pedantic-ms-format is for MinGW targets only.
4758 * doc/options.texi (Option file format): Fix bad indentation,
4759 restoring dropped sentence.
4761 2009-02-28 Jan Hubicka <jh@suse.cz>
4763 * tree-inline.c (tree_function_versioning): Output debug info.
4765 2009-02-28 Jan Hubicka <jh@suse.cz>
4768 * tree-inline.c (setup_one_parameter): Do not copy propagate
4769 arguments when not optimizing.
4771 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4774 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4775 (avx_addsubv4df3): Likewise.
4776 (*avx_addsubv4sf3): Likewise.
4777 (sse3_addsubv4sf3): Likewise.
4778 (*avx_addsubv2df3): Likewise.
4779 (sse3_addsubv2df3): Likewise.
4780 (avx_unpckhps256): Correct item selectors.
4781 (avx_unpcklps256): Likewise.
4782 (avx_unpckhpd256): Likewise.
4783 (avx_unpcklpd256): Likewise.
4785 2009-02-28 Jan Hubicka <jh@suse.cz>
4787 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4789 (copy_arguments_for_versioning): If var is declared don't declare it.
4790 (tree_function_versioning): First setup substitutions and then copy
4793 2009-02-27 Jan Hubicka <jh@suse.cz>
4796 * cgraph.h (varpool_output_debug_info): Remove.
4797 * cgraphunit.c (varpool_output_debug_info): Remove.
4798 * dwarf2out.c (deferred_locations_struct): New struct
4799 (deferred_locations): New type.
4800 (deferred_locations_list): New static var.
4801 (deffer_location): New function.
4802 (gen_variable_die): Use it.
4803 (decls_for_scope): Output info on local static vars.
4804 (dwarf2out_finish): Process deferred locations.
4805 * varpool.c (varpool_output_debug_info): Remove.
4807 2009-02-27 Jan Hubicka <jh@suse.cz>
4810 * tree.h (TREE_PROTECTED): Fix comment.
4811 (BLOCK_HANDLER_BLOCK): Remove.
4812 (struct tree_block): Remove handler_block add body_block.
4813 (inlined_function_outer_scope_p): New.
4814 (is_body_block): Remove.
4815 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4816 * dwarf2out.c (is_inlined_entry_point): Remove.
4817 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4818 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4820 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4821 * gimplify.c (gimplify_expr): Gimplify body blocks.
4822 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4823 block with multiple subblocks.
4824 (dump_scope_block): Prettier output; dump more flags and info.
4825 (dump_scope_blocks): New.
4826 (remove_unused_locals): Use dump_scope_blocks.
4827 * tree-flow.h (dump_scope_blocks): Declare.
4828 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4829 * stmt.c (is_body_block): Remove.
4830 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4831 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4833 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4836 * graphite.c (graphite_loop_normal_form): Do not call
4837 number_of_iterations_exit from a gcc_assert.
4839 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4841 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4842 jumps if COND is NULL.
4843 (find_cond_jump): New function.
4844 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4845 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4847 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4849 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4850 force_const_mem returns NULL_RTX.
4852 2009-02-26 Jan Hubicka <jh@suse.cz>
4855 * cgraph.h (varpool_output_debug_info): Remove.
4856 * cgraphunit.c (varpool_output_debug_info): Remove.
4857 * dwarf2out.c (deferred_locations_struct): New struct
4858 (deferred_locations): New type.
4859 (deferred_locations_list): New static var.
4860 (deffer_location): New function.
4861 (gen_variable_die): Use it.
4862 (decls_for_scope): Output info on local static vars.
4863 (dwarf2out_finish): Process deferred locations.
4864 * varpool.c (varpool_output_debug_info): Remove.
4866 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4868 PR rtl-optimization/39241
4869 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4870 to subreg_offset_representable_p.
4872 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4874 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4875 execute function prototype. Get f and nregs from max_reg_num
4876 and get_insns. Remove the first backward pass as it's dead,
4877 guard the forward pass by flag_expensive_optimizations.
4878 (rest_of_handle_regmove): Delete.
4879 (pass_regmove): Replace it with regmove_optimize.
4881 2009-02-25 Martin Jambor <mjambor@suse.cz>
4883 PR tree-optimization/39259
4884 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4885 calls_alloca function flags.
4886 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4889 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4891 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4892 flags_set_1_rtx, flags_set_1_set): Delete.
4893 (regmove_optimize): Do not call mark_flags_life_zones.
4895 2009-02-24 Julian Brown <julian@codesourcery.com>
4898 * config/arm/arm.c (require_pic_register): Only set
4899 cfun->machine->pic_reg once per function.
4901 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4903 * doc/invoke.texi (Link Options): Document an easier way to pass
4904 options that take arguments to the GNU linker using -Xlinker and -Wl.
4906 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4909 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4911 2009-02-24 Richard Guenther <rguenther@suse.de>
4914 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4916 2009-02-24 Richard Guenther <rguenther@suse.de>
4917 Zdenek Dvorak <ook@ucw.cz>
4919 PR tree-optimization/39233
4920 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4921 from converting them to a generic type.
4923 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4925 PR tree-optimization/39260
4926 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4927 contains a condition with a real type.
4928 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4930 2009-02-23 Jason Merrill <jason@redhat.com>
4933 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4934 narrowing_initializer_constant_valid_p.
4935 (narrowing_initializer_constant_valid_p): Don't return
4936 null_pointer_node for adding a pointer to itself.
4938 2009-02-23 Jan Hubicka <jh@suse.cz>
4941 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4944 2009-02-23 Jan Hubicka <jh@suse.cz>
4946 PR tree-optimization/37709
4947 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4948 * tree.h (block_ultimate_origin): Declare.
4949 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4950 * tree-ssa-live.c (remove_unused_scope_block_p):
4951 Eliminate blocks containig no instructions nor live variables nor
4953 (dump_scope_block): New function.
4954 (remove_unused_locals): Enable removal of dead blocks by default;
4955 enable dumping at TDF_DETAILS.
4957 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4959 * config/i386/i386.c (classify_argument): Don't allow COImode
4961 (function_arg_advance_32): Don't allow OImode.
4962 (function_arg_32): Likewise.
4963 (function_value_32): Likewise.
4964 (return_in_memory_32): Likewise.
4965 (function_arg_64): Remove OImode comment.
4967 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4970 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4971 ix86_expand_vector_set for V4DImode in 64bit mode only.
4972 (ix86_expand_vector_init_one_var): Likewise.
4974 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4976 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4978 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4981 * loop-iv.c: Revert last change.
4982 * emit-rtl.c: Likewise.
4984 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4987 * config/i386/i386.c (type_natural_mode): Remove an extra
4988 space in the warning message.
4989 (function_value_32): Handle 32-byte vector modes.
4990 (return_in_memory_32): Likewise.
4992 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4994 * loop-iv.c (truncate_value): New function.
4995 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4997 (lowpart_subreg): Move to...
4998 * emit-rtl.c: ...here.
5000 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
5002 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5003 accidental and undocumented change at revision 140860.
5005 2009-02-21 Joseph Myers <joseph@codesourcery.com>
5007 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5008 take gimple_seq * arguments.
5009 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5010 types_compatible_p langhook.
5012 2009-02-20 Mark Mitchell <mark@codesourcery.com>
5013 Joseph Myers <joseph@codesourcery.com>
5015 * config/arm/arm.c (arm_builtin_va_list): New function.
5016 (arm_expand_builtin_va_start): Likewise.
5017 (arm_gimplify_va_arg_expr): Likewise.
5018 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5019 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5020 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5021 (va_list_type): New variable.
5022 (arm_mangle_type): Mangle va_list_type appropriately.
5024 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5027 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5028 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5029 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5030 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5031 parameter to 1000 for -O1 by default.
5032 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5034 * loop-invariant.c: Include params.h.
5035 (move_loop_invariants): Don't call move_single_loop_invariants on
5038 2009-02-20 Jaka Mocnik <jaka@xlab.si>
5040 * calls.c (emit_library_call_value_1): Use slot_offset instead of
5041 offset when calculating bounds for indexing stack_usage_map. Fixes
5042 a buffer overflow with certain target setups.
5044 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5047 * calls.c (expand_call): Clear try_tail_call if caller and callee
5048 disagree in promotion of function return value.
5050 2009-02-19 Jakub Jelinek <jakub@redhat.com>
5053 * c-common.c (c_determine_visibility): If visibility changed and
5054 DECL_RTL has been already set, call make_decl_rtl to update symbol
5057 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
5060 * varasm.c (assemble_variable): Don't check DECL_NAME when
5061 globalizing a variable.
5063 2009-02-19 Joseph Myers <joseph@codesourcery.com>
5066 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5067 expression before any __builtin_trap call.
5068 * c-typeck.c (build_function_call): Convert and check function
5069 arguments before generating a call to a trap. Evaluate the
5070 function arguments before the trap.
5072 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
5075 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5076 (UNSPEC_FXAM_MEM): New unspec.
5077 (fxam<mode>2_i387_with_temp): New insn and split pattern.
5078 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
5079 memory using fxam<mode>2_i387_with_temp to remove excess precision.
5081 2009-02-19 Richard Guenther <rguenther@suse.de>
5083 PR tree-optimization/39207
5084 PR tree-optimization/39074
5085 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5086 storedanything_tree): New.
5087 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
5088 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5089 (build_succ_graph): Add edges from STOREDANYTHING to all
5091 (init_base_vars): Initialize STOREDANYTHING.
5092 (compute_points_to_sets): Free substitution info after
5093 building the succ graph.
5094 (ipa_pta_execute): Likewise.
5096 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5098 (do_ds_constraint): Do not add to special var or non-pointer
5100 (type_could_have_pointers): Split out from ...
5101 (could_have_pointers): ... here. For arrays use the element type.
5102 (create_variable_info_for): Initialize may_have_pointers.
5103 (new_var_info): Likewise.
5104 (handle_lhs_call): Make the HEAP variable unknown-sized.
5105 (intra_create_variable_infos): Use a type with pointers for
5106 PARM_NOALIAS, make it unknown-sized.
5108 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
5111 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5113 2009-02-18 Jason Merrill <jason@redhat.com>
5116 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5117 value if DECL_EXTERNAL.
5118 * tree-sra.c (sra_walk_gimple_assign): Likewise.
5119 * target.h (gcc_target::binds_local_p): Clarify "module".
5120 * tree.h (TREE_PUBLIC): Clarify "module".
5122 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
5125 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5126 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5128 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
5131 * c.opt (Wabi): Support C and ObjC.
5134 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5136 * config/i386/i386.c (classify_argument): Warn once about the ABI
5137 change when passing union with long double.
5139 * doc/invoke.texi: Update -Wabi for warning psABI changes.
5141 2009-02-18 Joseph Myers <joseph@codesourcery.com>
5144 * c-parser.c (c_parser_compound_statement): Always enter and leave
5147 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5150 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5152 2009-02-18 Jakub Jelinek <jakub@redhat.com>
5154 PR tree-optimization/36922
5155 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5156 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5159 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5161 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5164 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5166 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5168 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5170 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5173 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
5174 Richard Sandiford <rdsandiford@googlemail.com>
5176 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5177 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5178 (loongson_biadd): ...this.
5180 2009-02-17 Richard Guenther <rguenther@suse.de>
5182 PR tree-optimization/39202
5183 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5184 a var make sure to follow existing collapses.
5186 2009-02-17 Richard Guenther <rguenther@suse.de>
5189 * langhooks.c (lhd_print_error_function): Check for NULL block.
5191 2009-02-17 Richard Guenther <rguenther@suse.de>
5193 PR tree-optimization/39204
5194 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5197 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
5199 * config/soft-fp/double.h: Update from glibc CVS.
5201 2009-02-17 Richard Guenther <rguenther@suse.de>
5203 PR tree-optimization/39207
5204 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5205 strict-aliasing warnings for pointers pointing to NULL.
5207 2009-02-16 Joseph Myers <joseph@codesourcery.com>
5210 * c-parser.c (c_parser_braced_init): Call pop_init_level when
5211 skipping until next close brace.
5213 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
5216 * config/i386/i386.c (ix86_expand_push): Set memory alignment
5217 to function argument boundary.
5219 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5221 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5222 in the lea_add. Reload eventually constraints it properly.
5223 * config/picochip/constraints.md : Remove the target constraint
5224 "b", since it is not needed anymore.
5226 2009-02-16 Jakub Jelinek <jakub@redhat.com>
5228 * gthr-dce.h: Uglify function parameter and local variable names.
5229 * gthr-gnat.h: Likewise.
5230 * gthr-mipssde.h: Likewise.
5231 * gthr-nks.h: Likewise.
5232 * gthr-posix95.h: Likewise.
5233 * gthr-posix.h: Likewise.
5234 * gthr-rtems.h: Likewise.
5235 * gthr-single.h: Likewise.
5236 * gthr-solaris.h: Likewise.
5237 * gthr-tpf.h: Likewise.
5238 * gthr-vxworks.h: Likewise.
5239 * gthr-win32.h: Likewise.
5241 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
5244 * config/i386/i386.md: Restrict the new peephole2 to move
5245 between MMX/SSE registers.
5247 2009-02-15 Richard Guenther <rguenther@suse.de>
5250 2009-02-13 Richard Guenther <rguenther@suse.de>
5252 * configure.ac: Enable LFS.
5253 * configure: Re-generate.
5254 * config.in: Likewise.
5256 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5258 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5259 spu_srqwbyte, spu_srqwbytebc): Define.
5260 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5261 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5262 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5263 "shrqby_<mode>"): New insn-and-split patterns.
5264 * config/spu/spu.c (expand_builtin_args): Determine and return
5265 number of operands using spu_builtin_description data.
5266 (spu_expand_builtin_1): Use it.
5268 2009-02-13 Steve Ellcey <sje@cup.hp.com>
5271 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5274 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5277 * config/i386/i386.c (override_options): Correct warning
5278 messages for -malign-loops, -malign-jumps and -malign-functions.
5280 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5283 * config/i386/i386.md: Restrict the new peephole2 to move
5284 between the general purpose registers.
5286 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5289 * config/i386/i386.c (type_natural_mode): Add a new argument.
5290 Return the original mode and warn ABI change if vector size is 32byte.
5291 (function_arg_advance): Updated.
5292 (function_arg): Likewise.
5293 (ix86_function_value): Likewise.
5294 (ix86_return_in_memory): Likewise.
5295 (ix86_sol10_return_in_memory): Likewise.
5296 (ix86_gimplify_va_arg): Likewise.
5297 (function_arg_32): Don't warn ABX ABI change here.
5298 (function_arg_64): Likewise.
5300 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
5302 * loop-iv.c (implies_p): In the final case, test that operands 0
5303 of the two comparisons match.
5305 * config/bfin/bfin.c (find_prev_insn_start): New function.
5306 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5307 (find_next_insn_start): Move.
5309 2009-02-13 Richard Guenther <rguenther@suse.de>
5311 * configure.ac: Enable LFS.
5312 * configure: Re-generate.
5313 * config.in: Likewise.
5315 2009-02-13 Joseph Myers <joseph@codesourcery.com>
5318 * c-parser.c (c_parser_parms_list_declarator): Discard pending
5319 sizes on syntax error after some arguments have been parsed.
5321 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5323 * doc/invoke.texi (-fira): Remove.
5325 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5327 * caller-save.c: Replace regclass.c with reginfo.c in comments.
5328 * recog.c: Likewise.
5331 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
5333 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5334 (umul_ppmm): Likewise.
5335 (count_leading_zeros): Likewise.
5336 (count_trailing_zeros): Likewise.
5337 (UMUL_TIME): Likewise.
5339 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5341 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5342 soft-fp/t-softfp to tmake_file.
5344 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5345 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5346 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5347 IA64_BUILTIN_INFQ]: New.
5348 (ia64_init_builtins): Initialize __builtin_infq,
5349 __builtin_fabsq and __builtin_copysignq if not HPUX.
5350 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5351 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5353 * config/ia64/lib1funcs.asm (__divtf3): Define only if
5355 (__fixtfti): Likewise.
5356 (__fixunstfti): Likewise.
5357 (__floattitf): Likewise.
5359 * config/ia64/libgcc-glibc.ver: New.
5360 * config/ia64/t-fprules-softfp: Likewise.
5361 * config/ia64/sfp-machine.h: Likewise.
5363 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5364 (LIBGCC2_TF_CEXT): Likewise.
5365 (TF_SIZE): Likewise.
5366 (TARGET_INIT_LIBFUNCS): Likewise.
5368 * config/ia64/t-glibc (SHLINB_MAPFILES):
5369 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5371 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5373 * config/i386/i386.c (construct_container): Rewrite processing
5374 BLKmode with X86_64_SSE_CLASS.
5376 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5379 * config/i386/i386.md: Replace simplify_replace_rtx with
5380 replace_rtx in the new peephole2.
5382 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5384 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5385 loop unrolling do not happen at -O2.
5387 2009-02-12 Michael Matz <matz@suse.de>
5389 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5391 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5393 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5396 2009-02-12 Ben Elliston <bje@au.ibm.com>
5398 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5399 patterns when updating the back chain. Missed in the 2009-02-10
5402 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5404 * doc/extend.texi (Decimal Floating Types): Update identifier of
5405 draft TR and list of missing support.
5407 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5410 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5411 bit to variable length decl's flags, add it also to its
5412 pointer replacement variable.
5414 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5415 Jakub Jelinek <jakub@redhat.com>
5418 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5419 (memory_blockage): New expander.
5420 (*memory_blockage): New insn pattern.
5421 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5422 instead of general blockage at the end of function prologue when
5423 frame pointer is used to access red zone area. Do not emit blockage
5424 when profiling, it is emitted in generic code.
5425 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5426 function epilogue when frame pointer is used to access red zone area.
5428 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5431 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5432 by arithmetic with memory operands.
5433 * config/i386/predicates.md (commutative_operator): New.
5435 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5437 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5440 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5442 * alias.h (record_alias_subset): Declare.
5443 * alias.c (record_alias_subset): Make global.
5445 2009-02-10 Nick Clifton <nickc@redhat.com>
5447 * tree-parloops.c: Change license to GPLv3.
5448 * ipa-struct-reorg.c: Change license to GPLv3.
5449 * ipa-struct-reorg.h: Change license to GPLv3.
5451 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5454 * c-decl.c (start_struct): Return NULL on error.
5456 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5459 * cfgloopmanip.c (remove_path): Call remove_bbs after
5460 cancel_loop_tree, not before it.
5463 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5464 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5465 VAR_DECLs were seen.
5466 * tree-ssa-live.c (remove_unused_locals): Recompute
5467 cfun->has_local_explicit_reg_vars.
5468 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5469 copies or clearings if cfun->has_local_explicit_reg_vars.
5471 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5474 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5475 of function prologue when frame pointer is used to access
5478 2009-02-10 Richard Guenther <rguenther@suse.de>
5481 * gimplify.c (gimple_regimplify_operands): Always look if
5482 we need to create a temporary.
5484 2009-02-10 Richard Guenther <rguenther@suse.de>
5486 PR tree-optimization/39132
5487 * tree-loop-distribution.c (todo): New global var.
5488 (generate_memset_zero): Trigger TODO_rebuild_alias.
5489 (tree_loop_distribution): Return todo.
5491 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5494 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5495 (x86_64_reg_class_name): Removed.
5496 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5497 first one isn't X86_64_SSE_CLASS or any other ones aren't
5498 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5499 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5500 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5501 and 3 X86_64_SSEUP_CLASS.
5502 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5503 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5505 2009-02-10 Ben Elliston <bje@au.ibm.com>
5507 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5508 form instruction to update the stack back chain word, even if the
5509 user has disabled the generation of update instructions.
5510 (movdi_<mode>_update_stack): New.
5511 (movsi_update_stack): Likewise.
5512 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5513 always use an update form instruction to update the stack back
5516 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5519 * graphite.c (if_region_set_false_region): After moving a region in
5520 the false branch of a condition, remove the empty dummy basic block.
5521 (gloog): Remove wrong fix for PR38953.
5523 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5525 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5526 generation due to implicit sign extension.
5528 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5531 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5532 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5534 2009-02-09 Richard Guenther <rguenther@suse.de>
5537 * convert.c (convert_to_real): Disable (float)fn((double)x)
5538 to fnf(x) conversion if errno differences may occur and
5539 -fmath-errno is set.
5541 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5543 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5544 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5545 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5547 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5550 * c-common.c (handle_alias_attribute): Disallow attribute for
5551 anything not a FUNCTION_DECL or VAR_DECL.
5553 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5556 * real.c (do_compare): Special-case compare of zero against
5557 decimal float value.
5559 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5562 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5563 as indicating flexible array members unless the field itself is
5564 being declarared as the incomplete array.
5566 2009-02-06 Jan Hubicka <jh@suse.cz>
5568 PR tree-optimization/38844
5569 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5572 2009-02-06 Richard Guenther <rguenther@suse.de>
5575 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5576 fork because we may expand it as __gcov_fork.
5578 2009-02-06 Nick Clifton <nickc@redhat.com>
5580 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5582 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5584 PR tree-optimization/35659
5585 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5586 vn_phi_eq): Shortcut if hashcode does not match.
5587 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5589 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5590 and avoid iterative_hash_expr.
5591 (FOR_EACH_VALUE_ID_IN_SET): New.
5592 (value_id_compare): Remove.
5593 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5594 sort expressions by value id.
5596 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5599 * config/sh/predicates.md (general_movsrc_operand): Don't check
5600 the subreg of system registers here.
5602 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5605 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5608 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5610 PR rtl-optimization/39110
5611 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5612 addresses, not aligned ones.
5614 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5615 Richard Guenther <rguenther@suse.de>
5617 PR tree-optimization/39100
5618 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5619 comment says and add edges.
5621 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5624 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5625 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5627 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5629 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5630 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5631 register_bb_in_sese, new_sese, free_sese): Moved.
5632 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5633 outermost_loop_in_scop, build_scop_iteration_domain,
5634 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5635 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5636 Use loop_in_sese_p instead of loop_in_scop_p.
5637 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5638 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5639 (scopdet_basic_block_info): Fix bug in scop detection.
5640 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5641 eq_loop_to_cloog_loop): Remove.
5642 (nb_loops_around_loop_in_scop, nb_loop
5643 ref_nb_loops): Moved here...
5644 * graphite.h (ref_nb_loops): ... from here.
5645 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5646 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5647 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5648 * testsuite/gcc.dg/graphite/scop-19.c: New
5650 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5651 Hans-Peter Nilsson <hp@axis.com>
5653 PR rtl-optimization/37889
5654 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5655 Move offset handling from PLUS to before the switch. Use new
5656 arguments when considering SYMBOL_REFs too.
5657 (rtx_addr_can_trap_p): Pass dummy offset and size.
5658 (enum may_trap_p_flags): Remove.
5659 (may_trap_p_1): Pass size from MEM_SIZE.
5661 PR rtl-optimization/38921
5662 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5663 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5664 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5665 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5667 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5669 AVX Programming Reference (January, 2009)
5670 * config/i386/sse.md (*vpclmulqdq): New.
5672 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5674 PR tree-optimization/38977
5675 PR gcov-profile/38292
5676 * calls.c (special_function_p): Disregard __builtin_ prefix.
5678 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5680 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5681 non-indexable addresses even before reload.
5683 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5686 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5687 as having variable size. Do not give an error for unnamed
5688 parameters with [*] declarators. Give a warning for type names
5689 with [*] declarators and mark them as variable size.
5690 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5691 for sizeof applied to [*] type names.
5693 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5696 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5698 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5700 * gcc.c (process_command): Update copyright notice dates.
5701 * gcov.c (print_version): Likewise.
5702 * gcov-dump.c (print_version): Likewise.
5703 * mips-tfile.c (main): Likewise.
5704 * mips-tdump.c (main): Likewise.
5706 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5709 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5710 for composite type involving a zero-length array type.
5712 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5715 * function.c (match_asm_constraints_1): Skip over
5716 initial optional % in the constraint.
5719 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5720 supported, don't accept FIXED_CSTs.
5721 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5722 and _Sat is used without _Fract/_Accum. Set specs->type to
5723 integer_type_node for cts_fract/cts_accum if fixed point is not
5726 2009-02-02 Catherine Moore <clm@codesourcery.com>
5728 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5730 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5732 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5733 (ABI_HAS_64BIT_SYMBOLS): Use it.
5734 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5736 2009-02-02 Paul Brook <paul@codesourcery.com>
5738 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5740 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5743 * recog.h (asm_operand_ok): Add constraints argument.
5744 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5745 recurse on matching constraint.
5746 (check_asm_operands): Pass constraints as 3rd argument to
5747 asm_operand_ok. Don't look up matching constraint here.
5748 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5751 2009-02-02 Ben Elliston <bje@au.ibm.com>
5753 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5754 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5756 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5758 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5759 information. Remove some obsolete information. Reorganize.
5761 * config/pa/fptr.c: Revert license to GPL 2.
5762 * config/pa/milli64.S: Likewise.
5764 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5767 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5768 LIBRARY name in, instead of hard-coding it.
5769 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5770 extra target make frag to tmake_files according to EH model.
5771 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5772 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5773 frags that define makefile variable EH_MODEL appropriately.
5774 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5775 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5776 to "-sjlj" according to type of EH configured.
5777 (LIBGCC_SONAME): Concatenate it to shared library base name.
5778 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5779 to "_sjlj" according to type of EH configured.
5780 (LIBGCC_SONAME): Concatenate it to shared library base name.
5781 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5782 (SHLIB_LINK): Add missing semicolon to if-else construct.
5783 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5784 string value of "pe_dll" command-line option.
5785 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5786 (SHLIB_SONAME): Use it when overriding t-cygming default.
5787 (SHLIB_IMPLIB): Override t-cygming default.
5788 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5789 string value of "pe_dll" command-line option.
5791 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5794 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5795 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5797 2009-01-31 Richard Guenther <rguenther@suse.de>
5799 PR tree-optimization/38937
5800 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5801 computing the transitive closure.
5803 2009-01-30 Richard Guenther <rguenther@suse.de>
5805 PR tree-optimization/39041
5806 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5807 Propagate variable indices only if the types match for this stmt.
5809 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5812 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5813 inline but never defined.
5815 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5817 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5818 (*insv_h_di_reg_extimm): New insn.
5819 (*insv_l<mode>_reg_extimm): New insn.
5821 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5823 * config/picochip/picochip.c (flag_conserve_stack): set
5824 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5825 fconserve-stack. Reduce call-overhead used by inliner.
5827 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5830 * common.opt (flag_conserve_stack): Initialised to zero.
5832 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5835 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5836 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5839 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5841 * ira-color.c (allocno_reload_assign): Update comments.
5842 * regmove.c (regmove_optimize): Likewise.
5846 2009-01-29 Robert Millan <rmh@aybabtu.com>
5848 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5849 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5850 `MD_UNWIND_SUPPORT'.
5851 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5853 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5855 PR tree-optimization/39007
5856 * tree-loop-distribution.c (generate_builtin): Use
5857 recompute_dominator to compute the immediate dominator of the
5858 basic block just after the loop.
5860 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5862 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5863 (ASM_OUTPUT_DWARF_PCREL): Define.
5865 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5867 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5868 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5869 global. Modify entries about regmove and IRA.
5871 * ra-conflict.c: Remove the file.
5873 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5875 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5876 (pass_regclass_init): Rename to pass_reginfo_init.
5878 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5880 * toplev.h (flag_ira): Remove.
5882 * caller-save.c (setup_save_areas): Remove flag_ira.
5884 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5886 * global.c: Remove the file.
5888 * opts.c (decode_options): Remove flag_ira.
5890 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5892 * regmove.c: Modify file description.
5893 (find_use_as_address, try_auto_increment): Define them only if
5894 AUTO_INC_DEC is defined.
5895 (replacement_quality, replace_in_call_usage, fixup_match_1,
5896 stable_and_no_regs_but_for_p): Remove.
5897 (reg_set_in_bb): Make it static.
5898 (regmove_optimize): Remove flag_ira and code which worked for
5901 * local-alloc.c: Remove the file.
5903 * common.opt (fira): Remove.
5905 * ira.c: Include except.h.
5906 (eliminable_regset): Move from global.c.
5907 (mark_elimination): Ditto. Remove flag_ira.
5908 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5909 equiv_mem_modified, validate_equiv_mem_from_store,
5910 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5911 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5912 no_equiv, recorded_label_ref): Move from local-alloc.c.
5913 (update_equiv_regs): Ditto. Make it static.
5914 (print_insn_chain, print_insn_chains): Move it from global.c.
5915 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5916 (build_insn_chain): Ditto. Make it static.
5917 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5918 Rename to init_live_subregs.
5919 (gate_ira): Remove flag_ira.
5921 * regclass.c: Rename reginfo.c. Change file description.
5922 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5923 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5924 (init_reg_sets_1): Remove code for evaluation of
5925 reg_class_superclasses and losing_caller_save_reg_set.
5926 (init_regs): Remove init_reg_autoinc.
5927 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5928 ok_for_base_p_nonstrict): Remove.
5929 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5930 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5931 corresponding entries.
5932 (dump_regclass, record_operand_costs, scan_one_insn,
5933 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5934 record_address_regs, auto_inc_dec_reg_p): Remove.
5935 (gt-regclass.h): Rename to gt-reginfo.h.
5937 * rtl.h (dump_global_regs, retry_global_alloc,
5938 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5940 * Makefile.in (RA_H): Remove.
5941 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5942 Rename regclass.o to reginfo.o.
5943 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5945 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5946 (GTFILES): Rename regclass.c to reginfo.c.
5948 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5949 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5951 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5952 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5954 (finish_spills): Ditto. Remove code for !flag_ira.
5956 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5959 * doc/invoke.texi (rtl debug options): Complete rewrite.
5960 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5962 * mode-switching.c (pass_mode_switching): Rename pass from
5963 "mode-sw" to "mode_sw".
5964 * except.c (pass_convert_to_eh_ranges): Rename pass from
5965 "eh-ranges" to "eh_ranges".
5966 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5970 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5971 Alexander Monakov <amonakov@ispras.ru>
5974 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5976 (move_exprs_to_boundary): Change return type and pass through
5977 should_move from move_op. Relax assert. Update usage ...
5978 (schedule_expr_on_boundary): ... here. Use should_move instead of
5980 (move_op_orig_expr_found): Indicate that insn was disconnected from
5982 (code_motion_process_successors): Do not call after_merge_succs
5983 callback if original expression was not found when traversing any of
5985 (code_motion_path_driver): Change return type. Update prototype.
5986 (move_op): Update comment. Add a new parameter (should_move). Update
5987 prototype. Set *should_move based on indication provided by
5988 move_op_orig_expr_found.
5990 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5992 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5993 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5994 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5995 * config/rs6000/rs6000.c (rs6000_override_options): Default
5996 avoid-indexed-addresses on for Power6, off for everything else.
5997 (avoiding_indexed_address_p): New function.
5998 (rs6000_legitimize_address): Use it.
5999 (rs6000_legitimate_address): Likewise.
6000 * config/rs6000/rs6000.md (movXX_updateX): Likewise
6002 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
6004 PR tree-optimization/38997
6005 * tree-loop-distribution.c (generate_memset_zero): Use
6006 POINTER_PLUS_EXPR for a pointer addition.
6008 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
6010 * config/s390/s390.md (bswap<mode>2): New pattern added.
6012 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6014 * config/s390/s390.md (*tls_load_31): Added type attribute.
6016 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6018 * config/s390/s390.md: Fix a few comments.
6020 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6022 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6023 (*tm<mode>_full): Fixed z10prop attribute.
6024 (*tst<mode>_extimm): Fixed z10prop attribute.
6025 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6026 (*tstqiCCT_cconly): Fixed z10prop attribute.
6027 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6028 (*movsi_larl): Fixed z10prop attribute.
6029 (*movsi_zarch): Fixed z10prop attribute.
6030 (*movsi_eas): Fixed z10prop attribute.
6031 (*movhi): Fixed z10prop attribute.
6032 (*movqi): Fixed z10prop attribute.
6033 (*movstrictqi): Fixed z10prop attribute.
6034 (*mov<mode>): Fixed z10prop attribute.
6035 (*movcc): Fixed z10prop attribute.
6036 (*sethighpartdi_64): Fixed z10prop attribute.
6037 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6038 (*negdi2_sign_cc): Fixed z10prop attribute.
6039 (*negdi2_sign): Fixed z10prop attribute.
6040 (*absdi2_sign_cc): Fixed z10prop attribute.
6041 (*absdi2_sign): Fixed z10prop attribute.
6042 (*negabsdi2_sign_cc): Fixed z10prop attribute.
6043 (*negabsdi2_sign): Fixed z10prop attribute.
6044 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6045 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6046 (doloop_si64): Fixed z10prop attribute.
6047 (doloop_si31): Fixed z10prop attribute.
6048 (doloop_long): Fixed z10prop attribute.
6049 (indirect_jump): Fixed z10prop attribute.
6050 (nop): Fixed z10prop attribute.
6051 (main_base_64): Fixed z10prop attribute.
6052 (reload_base_64): Fixed z10prop attribute.
6054 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6056 PR rtl-optimization/38740
6057 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6059 * config/mips/mips.c (mips_reorg): Likewise.
6061 2009-01-28 Richard Guenther <rguenther@suse.de>
6063 PR tree-optimization/38926
6064 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6065 with the correct value id to a value.
6066 (do_regular_insertion): Use the value number of edoubleprime
6067 for the value number of the expr.
6070 2008-08-21 Richard Guenther <rguenther@suse.de>
6072 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6073 a PHI ask VN if it is already available.
6074 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6075 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6077 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6080 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6081 set to varying whenever max has TREE_OVERFLOW set, similarly
6082 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6084 2009-01-28 Richard Guenther <rguenther@suse.de>
6087 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6088 uninitialized aggregate uses in call arguments.
6090 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
6092 PR tree-optimization/38984
6093 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6094 the nothing_id variable if -fno-delete-null-pointer-checks.
6096 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
6099 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6100 (set_got_offset_rex64): Ditto.
6102 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
6105 * doc/extend.texi: Improve local variable with asm reg.
6107 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
6109 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6110 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6111 was not supplied then set warn_packed_bitfield_compat to the
6113 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6116 2009-01-27 Richard Guenther <rguenther@suse.de>
6118 PR tree-optimization/38503
6119 * cfgexpand.c (expand_gimple_basic_block): Ignore
6120 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6121 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6122 variables that cannot have TBAA applied.
6123 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6126 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
6129 * calls.c (initialize_argument_information): Do not wrap complex
6130 arguments in SAVE_EXPR.
6132 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
6134 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6135 (INSTALL_LIBGCC): Revert typo commit.
6137 2009-01-26 Richard Guenther <rguenther@suse.de>
6139 PR tree-optimization/38745
6140 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6141 from special handling.
6143 2009-01-26 Richard Guenther <rguenther@suse.de>
6145 PR tree-optimization/38745
6146 * tree-ssa.c (execute_update_addresses_taken): Do not include
6147 variables that cannot possibly be a register in not_reg_needs.
6148 Do not clear TREE_ADDRESSABLE on vars that may not become
6150 * tree-ssa.c (update_alias_info_1): Include those in the set
6151 of addressable vars.
6153 2009-01-26 Richard Guenther <rguenther@suse.de>
6156 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6157 * tree-ssa-dse.c: Include langhooks.h
6158 (execute_simple_dse): Remove stores with zero size.
6160 2009-01-24 Jakub Jelinek <jakub@redhat.com>
6163 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6166 2009-01-24 Julian Brown <julian@codesourcery.com>
6168 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6169 config/arm/linux-atomic.c.
6170 * config/arm/linux-atomic.c: New.
6172 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
6174 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6175 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6176 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6178 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
6181 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6184 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
6186 PR tree-optimization/38953
6187 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6188 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6189 (gloog): Split the exit of the scop when the scop exit is a loop exit.
6190 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6193 2009-01-24 Paul Brook <paul@codesourcery.com>
6195 * config/arm/neon.md (neon_type): Move to arm.md.
6196 (neon_mov<VSTRUCT>): Add neon_type attribute.
6197 * config/arm/arm.md (neon_type): Move to here.
6198 (conds): Add "unconditioal" and use as default for NEON insns.
6200 2009-01-24 Ben Elliston <bje@au.ibm.com>
6202 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6203 void *' warning from -Wc++-compat.
6204 * Makefile.in (dominance.o-warn): Remove.
6206 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
6208 PR tree-optimization/38932
6209 * fold-const.c (fold_unary_ignore_overflow): New.
6210 * tree.h (fold_unary_ignore_overflow): Declare.
6211 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6212 * tree-ssa-sccvn.c (visit_reference_op_load,
6213 simplify_unary_expression): Likewise.
6215 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
6217 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6218 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
6219 regardless of their type.
6220 * c-common.c (handle_packed_attribute): Don't ignore packed on
6222 * c.opt (Wpacked-bitfield-compat): New warning option.
6223 * stor-layout.c (place_field): Warn if offset of a field changed.
6224 * doc/extend.texi (packed): Mention the ABI change.
6225 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6226 (Warning Options): Add it to the list.
6228 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
6230 * c-opts.c (c_common_post_options): Fix a typo in comments.
6232 2009-01-22 Steve Ellcey <sje@cup.hp.com>
6235 * gimplify.c (gimplify_init_constructor): Fix promotion of const
6236 variables to static.
6237 * doc/invoke.texi (-fmerge-all-constants): Update description.
6239 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
6242 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6243 (*movdi_1_rex64): Use type "mmx" for alternative 5.
6245 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
6247 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6249 (LOCAL_ALIGNMENT): Similarly.
6251 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6252 Joseph Myers <joseph@codesourcery.com>
6254 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6255 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6256 * config/arm/arm-tune.md: Regenerate.
6257 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6260 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6262 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6263 version number to five.
6265 2009-01-22 Dodji Seketeli <dodji@redhat.com>
6268 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6269 * c-common.c (set_underlying_type): Likewise.
6270 (is_typedef_decl ): Likewise
6272 (set_underlying_type): Likewise.
6273 (is_typedef_type): Likewise.
6275 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
6278 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6281 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6284 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
6285 (LIBGCC_SPEC): Don't define.
6286 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
6288 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
6290 PR rtl-optimization/38879
6291 * alias.c (base_alias_check): Unaligned access via AND address can
6292 alias all surrounding object types except those with sizes equal
6293 or wider than the size of unaligned access.
6295 2009-01-21 Dodji Seketeli <dodji@redhat.com>
6298 * c-decl.c (clone_underlying_type): Move this ...
6299 * c-common.c (set_underlying_type): ... here.
6300 Also, make sure the function properly sets TYPE_STUB_DECL() on
6301 the newly created typedef variant type.
6302 (is_typedef_decl ): New entry point.
6303 * tree.h: Added a new member member_types_needing_access_check to
6304 struct tree_decl_non_common.
6305 (set_underlying_type): New entry point.
6306 (is_typedef_type): Likewise.
6308 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
6310 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6311 Check whether two instructions have memory references that
6312 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
6313 are helper functions for traversing.
6314 * alias.h (insn_alias_sets_confilict_p): New prototypes.
6315 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6316 not to draw dependency edge for instructions with non-conflicting
6319 2009-01-20 Joseph Myers <joseph@codesourcery.com>
6322 * longlong.h: Update copyright years. Use soft-fp license notice.
6323 Sync __clz_tab declaration with glibc.
6325 2009-01-20 Steve Ellcey <sje@cup.hp.com>
6328 * doc/extend.texi (syscall_linkage): New.
6329 (version_id): Modify.
6331 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
6332 Richard Guenther <rguenther@suse.de>
6334 PR tree-optimization/38747
6335 PR tree-optimization/38748
6336 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6337 conversion if the base address is an indirect reference and the
6338 aliasing sets could cause issues.
6340 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6342 * common.opt (fgraphite, fgraphite-identity): Add comment for
6343 explaining why these options are not documented.
6345 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6347 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6348 gimple_call_lhs is NULL.
6350 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
6353 * emit-rtl.c (adjust_address_1): Make sure memref is never
6356 2009-01-20 Ben Elliston <bje@au.ibm.com>
6358 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6359 const qualifier from arg parameter. Remove unnecessary cast to char *.
6360 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6361 const qualifier from arg 2.
6363 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6365 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6367 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
6370 * rtl.h (reinit_regs): New prototype.
6371 * regclass.c: Include ira.h.
6373 * Makefile.in (regclass.o): Add ira.h.
6374 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6376 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6379 * c-common.c (handle_aligned_attribute): Use
6380 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6381 default alignment value.
6383 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6385 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6386 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6388 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6389 __BIGGEST_ALIGNMENT__.
6391 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6393 2009-01-18 Richard Guenther <rguenther@suse.de>
6395 PR tree-optimization/38819
6396 * tree-flow.h (operation_could_trap_helper_p): Declare.
6397 * tree-eh.c (operation_could_trap_helper_p): Export.
6398 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6399 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6400 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6401 are about to insert a possibly trapping instruction and fail
6404 2009-01-18 Andreas Schwab <schwab@suse.de>
6406 * doc/install.texi (Configuration): Remove obsolete paragraph
6407 about use of --with-gnu-ld with --with-gnu-as.
6409 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6411 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6412 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6413 Follow spelling conventions.
6415 2009-01-18 Ben Elliston <bje@au.ibm.com>
6417 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6418 C++ warning about implicit conversion from void * to struct
6420 (bitmap_obstack_free): Likewise for bitmap_element *.
6421 * Makefile.in (bitmap.o-warn): Remove.
6423 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6425 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6427 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6428 Tobias Grosser <tobi.grosser@amd.com>
6430 * graphite.c (graphite_trans_scop_block): Do not block single
6433 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6435 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6436 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6437 test with assertion.
6439 2009-01-16 Richard Guenther <rguenther@suse.de>
6441 PR tree-optimization/38835
6443 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6444 and INT + PTR -> (INT)(PTR p+ INT) folding.
6445 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6447 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6450 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6451 the subreg from a lowpart subreg if it is also casting the value.
6453 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6454 Tobias Grosser <tobi.grosser@amd.com>
6456 * graphite.c (compare_prefix_loops): New.
6457 (build_scop_canonical_schedules): Rewritten.
6458 (graphite_transform_loops): Move build_scop_canonical_schedules
6459 after build_scop_iteration_domain.
6461 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6462 Tobias Grosser <tobi.grosser@amd.com>
6464 * graphite.c (add_conditions_to_domain): Add the loops to
6465 the dimension of the iteration domain. Do copy the domain
6466 only when it exists.
6467 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6468 (add_conditions_to_constraints): New.
6469 (can_generate_code_stmt, can_generate_code): Removed.
6470 (gloog): Do not call can_generate_code.
6471 (graphite_transform_loops): Call add_conditions_to_constraints
6472 after building the iteration domain.
6474 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6476 PR tree-optimization/38789
6477 * tree-ssa-threadedge.c
6478 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6479 __builtin_constant_p.
6481 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6483 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6484 examined before deleting them.
6486 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6488 * function.c (aggregate_value_p): Correctly extract the function
6489 type from CALL_EXPR_FN lookup.
6491 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6493 * config/picochip/picochip.c (picochip_override_options): Revert
6494 CFI asm flag disable commited previously.
6496 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6497 Tobias Grosser <tobi.grosser@amd.com>
6498 Jan Sjodin <jan.sjodin@amd.com>
6500 * graphite.c (scan_tree_for_params): On substractions negate
6501 all the coefficients of the term.
6502 (clast_to_gcc_expression_red): New. Handle reduction expressions
6503 of more than two operands.
6504 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6505 (get_vdef_before_scop): Handle also the case of default definitions.
6507 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6509 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6510 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6511 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6513 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6514 Joey Ye <joey.ye@intel.com>
6517 * cfgexpand.c (expand_stack_alignment): Don't update stack
6518 boundary nor check incoming stack boundary here.
6519 (gimple_expand_cfg): Update stack boundary and check incoming
6520 stack boundary here.
6522 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6524 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6526 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6528 PR rtl-optimization/38245
6529 * calls.c (expand_call): Add stack arguments to
6530 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6531 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6532 in regs and partially in memory or BLKmode arguments.
6533 (emit_library_call_value_1): Add stack arguments to
6534 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6535 ACCUMULATE_OUTGOING_ARGS).
6536 * dce.c: Include tm_p.h.
6537 (find_call_stack_args): New function.
6538 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6540 (mark_insn): Call find_call_stack_args for CALL_Ps.
6541 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6542 forwards. Allocate and free arg_stores bitmap if needed, pass it
6543 down to deletable_insn_p, don't mark stores set in arg_stores
6544 bitmap, clear the bitmap at the beginning of each bb.
6545 * Makefile.in (dce.o): Depend on $(TM_P_H).
6547 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6550 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6551 to make sure the insn is a conditional test (bug 22599). Reformat a
6554 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6557 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6558 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6559 (gloog): Do not call cleanup_tree_cfg.
6560 (graphite_transform_loops): Call cleanup_tree_cfg after all
6561 scops have been code generated.
6563 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6564 * doc/gty.texi (Invoking the garbage collector): Added new node
6565 and section documenting ggc_collect.
6567 2009-01-14 Richard Guenther <rguenther@suse.de>
6569 PR tree-optimization/38826
6571 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6572 initialization notes only if we actually emitted a warning.
6573 (intra_create_variable_infos): Add constraints for a result decl
6574 that is passed by hidden reference.
6575 (build_pred_graph): Mark all related variables non-direct on
6578 2009-01-14 Nick Clifton <nickc@redhat.com>
6580 * ira-conflicts.c: Include addresses.h for the definition of
6582 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6583 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6585 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6588 * Makefile.in (ira-lives.o): Add except.h.
6590 * ira-lives.c: Include except.h.
6591 (process_bb_node_lives): Process can_throw_internal.
6593 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6595 PR rtl-optimization/38774
6596 * combine.c (simplify_set): When undoing cc_use change, don't do
6597 PUT_CODE on the newly created comparison, but instead put back the
6600 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6602 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6603 values. Remove duplicate arm8 entry.
6605 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6607 PR tree-optimization/38786
6608 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6609 the SSA_NAME case of expand_scalar_variables_expr.
6610 Set the type of an expression to the type of its assign statement.
6611 (expand_scalar_variables_expr): Also gather the scalar computation
6612 used to index the memory access. Do not pass loop_p.
6613 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6614 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6615 the gimple_stmt_iterator where it inserts new code.
6617 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6618 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6620 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6622 * graphite.h (debug_value): Removed.
6623 * graphite.c (debug_value): Removed.
6625 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6627 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6628 ldrd/strd with two 32-bit instructions.
6630 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6632 * config/arm/arm.c (struct processors): Pass for speed down into
6633 cost helper functions.
6634 (const_ok_for_op): Handle COMPARE and inequality nodes.
6635 (arm_rtx_costs_1): Rewrite.
6636 (arm_size_rtx_costs): Update prototype.
6637 (arm_rtx_costs): Pass speed down to helper functions.
6638 (arm_slowmul_rtx_costs): Rework cost calculations.
6639 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6640 (arm_9e_rtx_costs): Likewise.
6642 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6644 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6645 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6646 (alpha_legitimize_address): Do not split local symbols wider than
6647 UNITS_PER_WORD into HIGH/LO_SUM parts.
6649 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6652 * gcc.c (process_command): Replace call to execvp with calls
6653 to pex_one and exit.
6655 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6658 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6659 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6660 variant for devices with 3-byte PC.
6661 (__tablejump_elpm__): New.
6663 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6666 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6667 offsetof member-designator, handle it as `[0].'.
6669 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6671 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6672 function when not using named sections on targets with named sections
6673 if branch distance is less than 262132.
6675 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6677 * combine.c (combine_instructions): Recompute
6678 optimize_this_for_speed_p for each BB in the main combine loop.
6680 2009-01-12 Tomas Bily <tbily@suse.cz>
6683 * tree-loop-distribution.c (prop_phis): New function.
6684 (generate_builtin): Call prop_phis.
6685 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6687 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6689 PR tree-optimization/38807
6690 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6691 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6693 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6695 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6696 subreg of op0 to the original op0.
6698 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6700 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6702 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6705 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6706 starting with digits.
6708 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6711 * config/arm/arm.c (arm_is_long_call_p): Don't call
6712 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6714 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6716 * regrename.c (regrename_optimize): Fix dumping.
6717 (find_oldest_value_reg): Preserve REG_POINTER.
6718 (copy_hardreg_forward_1): Likewise.
6720 2009-01-09 Diego Novillo <dnovillo@google.com>
6722 * gimple.h (struct gimple_statement_base) <uid>: Document
6723 the restrictions on its use.
6725 (gimple_set_uid): Tidy.
6727 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6729 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6730 zero guard even if align_bytes != 0 and count is smaller than
6733 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6735 PR rtl-optimization/38495
6736 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6737 (add_range_and_copies_from_move_list): Print all added ranges.
6738 Add ranges to memory optimized destination.
6740 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6744 * config/i386/i386.c (override_options): Reject
6745 -mstringop-strategy=rep_8byte with -m32.
6746 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6747 to 1. Do count comparison against epilogue_size_needed at compile
6748 time even when count_exp was constant forced into register. For
6749 size_needed don't jump to epilogue, instead just avoid aligning
6750 and invoke the body algorithm. If need_zero_guard, add zero guard
6751 even if count is non-zero, but smaller than size_needed + number of
6752 bytes that could be stored for alignment.
6753 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6754 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6755 but smaller than size_needed + number of bytes that could be stored
6756 for alignment. Compare size_needed with epilogue_size_needed instead
6757 of desired_align - align, don't adjust size_needed, pass
6758 epilogue_size_needed to the epilogue expanders.
6761 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6763 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6765 * pa.c (last_address): Change to unsigned.
6766 (update_total_code_bytes): Change argument to unsigned. Don't
6767 check if insn addresses are set.
6768 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6769 addresses are not set.
6770 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6772 2009-01-09 Nick Clifton <nickc@redhat.com>
6774 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6775 DECL_DECLARED_INLINE_P.
6777 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6780 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6781 GET_MODE (op0) in operand_subword_force calls.
6784 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6785 fold_convert arg0 operands to TREE_TYPE (op0) first.
6787 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6789 * params.def (ira-max-conflict-table-size): Decrease default value
6792 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6794 PR tree-optimization/37031
6795 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6797 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6798 allocate it using gc instead of heap, use VEC_quick_push instead of
6800 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6801 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6802 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6803 allocated vector from heap allocated.
6804 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6805 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6806 vector only after perfect_loop_nest_depth call.
6808 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6809 Jan Sjodin <jan.sjodin@amd.com>
6811 PR tree-optimization/38559
6812 * graphite.c (debug_value, copy_constraint,
6813 swap_constraint_variables, scale_constraint_variable, ): New.
6814 (get_lower_bound, get_upper_bound): Removed.
6815 (graphite_trans_bb_strip_mine): Clean up this code that works
6816 only for constant number of iterations. Fully copy upper and
6817 lower bound constraints, not only the constant part of them.
6818 * graphite.h (debug_value): Declared.
6820 2009-01-08 Ira Rosen <irar@il.ibm.com>
6822 PR tree-optimization/37194
6823 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6824 Don't add the cost of cost model guard in prologue to scalar
6825 outside cost in case of known number of iterations.
6827 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6828 Alan Modra <amodra@bigpond.net.au>
6830 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6831 non-word-aligned REG+CONST addressing.
6833 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6836 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6837 free_after_compilation when outputting a thunk.
6838 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6839 Do not call free_after_compilation here.
6841 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6843 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6844 (ix86_valid_target_attribute_inner_p): Ditto.
6846 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6848 PR tree-optimization/38492
6849 PR tree-optimization/38498
6850 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6851 * tree-chrec.h (scev_is_linear_expression): Declared.
6852 * graphite.c (graphite_cannot_represent_loop_niter): New.
6853 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6854 (graphite_loop_normal_form): Use gcc_assert.
6855 (scan_tree_for_params): Use CASE_CONVERT.
6856 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6857 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6858 Use gcc_assert. Discard scops that contain unhandled cases.
6859 (build_scop_conditions): Return a boolean status for unhandled cases.
6860 (strip_mine_profitable_p): Print the loop number, not its depth.
6861 (is_interchange_valid): Pass the depth of the loop nest, don't
6862 recompute it wrongly.
6863 (graphite_trans_bb_block): Same.
6864 (graphite_trans_bb_block): Print tentative of loop blocking.
6865 (graphite_trans_scop_block): Do not print that the loop has been
6867 (graphite_transform_loops): Do not handle scops that contain condition
6870 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6872 AVX Programming Reference (December, 2008)
6873 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6874 (_mm256_stream_pd): Likewise.
6875 (_mm256_stream_ps): Likewise.
6877 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6878 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6879 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6880 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6881 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6882 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6883 (ix86_expand_special_args_builtin): Likewise.
6885 * config/i386/sse.md (AVXMODEDI): New.
6886 (avx_movnt<mode>): Likewise.
6887 (avx_movnt<mode>): Likewise.
6888 (<sse>_movnt<mode>): Remove AVX support.
6889 (sse2_movntv2di): Likewise.
6891 2009-01-07 Richard Guenther <rguenther@suse.de>
6894 * fold-const.c (extract_muldiv): Remove obsolete comment.
6895 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6896 to PLUS_EXPR canonicalization for the canonicalization.
6898 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6900 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6901 hosted cross-compilers generating less efficient code.
6903 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6905 * function.h (rtl_data): Add a dbr_scheduled_p field.
6906 * reorg.c (dbr_schedule): Set it.
6907 (gate_handle_delay_slots): Check it.
6908 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6909 (mips_reorg): Check flag_delayed_branch instead of
6910 mips_base_delayed_branch.
6911 (mips_override_options): Don't set mips_base_delayed_branch
6912 or flag_delayed_branch.
6914 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6916 PR rtl-optimization/38426.
6917 * ira.c (ira): Set current_function_is_leaf earlier.
6919 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6921 PR rtl-optimization/38722
6922 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6923 too early, only set a flag and modify after last possible
6926 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6929 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6930 * real.c (decimal_single_format): Correct values of emin and emax.
6931 (decimal_double_format): Ditto.
6932 (decimal_quad_format): Ditto.
6933 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6934 computation of DECnn_MIN and DECnn_MAX for corrected values of
6935 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6936 __DECnn_MIN__, and adjust its computation for the corrected value
6939 2009-01-06 Jan Hubicka <jh@suse.cz>
6942 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6944 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6946 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6947 Add Robert Clark to the list of testers.
6949 2009-01-06 Jan Hubicka <jh@suse.cz>
6950 Kai Tietz <kai.tietz@onevision.com>
6952 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6953 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6955 2009-01-06 Jan Hubicka <jh@suse.cz>
6956 Kai Tietz <kai.tietz@onevision.com>
6958 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6960 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6961 (ix86_nsaved_regs): Count only general purpose regs.
6962 (ix86_nsaved_sseregs): New.
6963 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6964 to 16 for w64; compute padding and size of sse reg save area.
6965 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6966 general purpose regs.
6967 (ix86_emit_save_sse_regs_using_mov): New.
6968 (ix86_expand_prologue): Save SSE regs if needed.
6969 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6970 (ix86_emit_restore_sse_regs_using_mov): New.
6971 (ix86_expand_epilogue): Save SSE regs if needed.
6973 2009-01-06 Jan Hubicka <jh@suse.cz>
6974 Kai Tietz <kai.tietz@onevision.com>
6976 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6977 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6978 functions when accumulate outgoing args is off.
6980 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6983 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6984 before using pseudos_have_intersected_live_ranges_p.
6986 * ira-int.h (ira_assert): Always define.
6988 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6990 AVX Programming Reference (December, 2008)
6991 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6992 (_mm256_permute2_pd): Likewise.
6993 (_mm_permute2_ps): Likewise.
6994 (_mm256_permute2_ps): Likewise.
6995 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6996 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6998 * config/i386/i386.c (ix86_builtins): Remove
6999 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7000 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7001 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7002 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7003 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7004 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7005 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7006 __builtin_ia32_vpermil2ps256.
7007 (ix86_init_mmx_sse_builtins): Updated.
7008 (ix86_expand_args_builtin): Likewise.
7010 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7012 * pa.c (output_call): Relocate non-jump insns in the delay slot of
7013 long absolute calls when generating PA 2.0 code.
7015 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
7017 PR rtl-optimization/38583
7018 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7020 * params.def (ira-max-conflict-table-size): New.
7022 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7024 * ira.h (ira_conflicts_p): New external definition.
7026 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7027 table. Report this. Return result of building.
7028 (ira_build_conflicts): Use ira_conflicts_p. Check result of
7029 building conflict table.
7031 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7032 (ira_color): Use ira_conflicts_p.
7034 * global.c: Include ira.h.
7035 (pseudo_for_reload_consideration_p, build_insn_chain): Use
7038 * Makefile.in (global.o): Add ira.h.
7040 * ira-build.c (mark_all_loops_for_removal,
7041 propagate_some_info_from_allocno): New.
7042 (remove_unnecessary_allocnos): Call
7043 propagate_some_info_from_allocno.
7044 (remove_low_level_allocnos): New.
7045 (remove_unnecessary_regions): Add parameter. Call
7046 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
7047 parameter to remove_unnecessary_regions.
7048 (ira_build): Remove all regions but root if the conflict table was
7049 not built. Update conflict hard regs for allocnos crossing calls.
7051 * ira.c (ira_conflicts_p): New global.
7052 (ira): Define and use ira_conflicts_p.
7054 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7055 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7056 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7058 2009-01-06 Ben Elliston <bje@au.ibm.com>
7060 * gengtype-lex.l (YY_NO_INPUT): Define.
7062 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
7065 * c-common.c (handle_vector_size_attribute): Also reject
7068 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
7070 PR tree-optimization/38492
7071 * graphite.c (rename_map_elt, debug_rename_elt,
7072 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7073 rename_map_elt_info, eq_rename_map_elts,
7074 get_new_name_from_old_name, bb_in_sese_p): Moved around.
7075 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7076 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7077 (sese_build_livein_liveouts): New.
7078 (new_sese, free_sese): New.
7079 (new_scop): Call new_sese.
7080 (free_scop): Call free_sese.
7081 (rename_variables_from_edge, rename_phis_end_scop): Removed.
7082 (register_old_new_names): Renamed register_old_and_new_names.
7083 (register_scop_liveout_renames, add_loop_exit_phis,
7084 insert_loop_close_phis, struct igp,
7085 default_liveout_before_guard, add_guard_exit_phis,
7086 insert_guard_phis, copy_renames): New.
7087 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7088 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7089 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7090 (scop_adjust_phis_for_liveouts): New.
7091 (gloog): Call scop_adjust_phis_for_liveouts.
7093 * graphite.h (struct sese): Documented. Added fields liveout,
7095 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7096 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7097 (struct scop): Added field liveout_renames.
7098 (SCOP_LIVEOUT_RENAMES): New.
7100 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7102 PR tree-optimization/38510
7103 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7104 (translate_clast): Call recompute_all_dominators before
7106 (gloog): Call recompute_all_dominators before graphite_verify.
7108 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7109 Jan Sjodin <jan.sjodin@amd.com>
7111 PR tree-optimization/38500
7112 * graphite.c (create_sese_edges): Call fix_loop_structure after
7115 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
7117 * config.gcc: Add m32r*-*-rtems*.
7118 * config/m32r/rtems.h: New file.
7120 2009-01-05 Ben Elliston <bje@au.ibm.com>
7122 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7123 (.po.pox): Likewise.
7124 (po/gcc.pot): Likewise.
7126 2009-01-04 David S. Miller <davem@davemloft.net>
7128 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7129 (STARTING_FRAME_OFFSET): Always set to zero.
7131 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7133 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7134 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7135 fixed-point types, and vectors of the same.
7137 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7139 * config/mips/sync.md (*mb_barrier): Rename to...
7140 (*memory_barrier): ...this.
7142 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
7144 * doc/extend.texi (Function Attributes): Move @cindex after @item
7145 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7146 and put in alphabetical order. Fix 'target' name and put in order.
7147 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7150 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
7152 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7153 (memory_barrier): Expand as unspec instead of unspec_volatile.
7154 Remove mem:BLK from insn operands. Use Pmode scratch register.
7155 (*memory_barrier): Define as unspec instead of unspec_volatile.
7156 Use (match_dup 0) as input operand.
7158 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7159 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7160 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
7161 scratch register. Remove operand 1.
7162 (*stbar): Define as unspec instead of unspec_volatile.
7163 Use (match_dup 0) as input operand, remove (const_int 8).
7164 (*membar): Define as unspec instead of unspec_volatile.
7165 Use (match_dup 0) as input operand, remove input operand 2.
7167 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
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/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7174 Remove mem:BLK from insn operands. Use Pmode scratch register.
7175 Set volatile flag on operand 0.
7176 (*memory_barrier): New insn pattern.
7178 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7180 (*memory_barrier): Use (match_dup 0) as input operand.
7182 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7183 Remove mem:BLK from insn operands. Use Pmode scratch register.
7184 Set volatile flag on operand 0.
7185 (*mb_internal): New insn pattern.
7187 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7189 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7192 * function.c (struct temp_slot): Move to the section of the file
7193 that deals with temp slots. Remove field 'address'.
7194 (temp_slot_address_table): New hash table of address -> temp slot.
7195 (struct temp_slot_address_entry): New struct, items for the table.
7196 (temp_slot_address_compute_hash, temp_slot_address_hash,
7197 temp_slot_address_eq, insert_temp_slot_address): Support functions
7199 (find_temp_slot_from_address): Rewrite to use the new hash table.
7200 (remove_unused_temp_slot_addresses): Remove addresses of temp
7201 slots that have been made available.
7202 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7203 worker function for remove_unused_temp_slot_addresses.
7204 (assign_stack_temp_for_type): Don't clear the temp slot address list.
7205 Add the temp slot address to the address -> temp slot map.
7206 (update_temp_slot_address): Update via insert_temp_slot_address.
7207 (free_temp_slots): Call remove_unused_temp_slot_addresses.
7208 (pop_temp_slots): Likewise.
7209 (init_temp_slots): Allocate the address -> temp slot map, or empty
7210 the map if it is already allocated.
7211 (prepare_function_start): Initialize temp slot processing.
7213 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7216 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7217 Calculate the size of all stack vars assuming no packing of stack
7218 vars will happen, replacing a quadratic algorithm with a linear one.
7220 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7223 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7226 2009-01-03 Diego Novillo <dnovillo@google.com>
7228 * doc/contrib.texi: Update contributions.
7230 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7233 * builtins.c (fold_builtin_memory_op): Give up if either operand
7234 is volatile. Set srctype or desttype to non-qualified version
7238 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7241 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
7243 PR rtl-optimization/35805
7244 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7245 problem if fast dce is able to remove any instructions.
7246 * dce.c (dce_process_block): Fix dump message.
7248 2009-01-02 Mark Mitchell <mark@codesourcery.com>
7251 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7253 2009-01-02 Jakub Jelinek <jakub@redhat.com>
7256 * tree-flow.h (op_code_prio, op_prio): New prototypes.
7257 * tree-pretty-print.c (op_code_prio): New function.
7258 (op_prio): No longer static. Use op_code_prio.
7259 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7260 Use op_prio and op_code_prio to determine if () should be
7261 printed around operand(s) or not.
7263 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7264 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7265 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7266 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7267 pp_character instead of pp_string for single letter printing.
7269 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7271 * doc/extend.texi: Fix '#pragma GCC option' typo.
7273 2009-01-02 Richard Guenther <rguenther@suse.de>
7275 * doc/install.texi (--enable-checking): Mention different
7277 (--enable-stage1-checking): Document.
7279 2009-01-01 Andrew Pinski <pinskia@gmail.com>
7282 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
7283 case to be an error.
7285 2009-01-02 Ben Elliston <bje@au.ibm.com>
7287 * config/fp-bit.h (pack_d): Constify argument.
7288 * config/fp-bit.c (makenan): Constify return type. Remove casts.
7289 (isnan): Constify argument.
7293 (_fpadd_parts): Constify return type.
7294 (_fpmul_parts): Likewise.
7295 (_fpdiv_parts): Likewise.
7297 2009-01-01 Jakub Jelinek <jakub@redhat.com>
7300 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
7301 warn about overwriting initializer with side-effects or
7302 -Woverride-init if !IMPLICIT.
7303 (output_init_element): Likewise. Pass IMPLICIT down to
7305 (process_init_element): Add IMPLICIT argument. Pass it down
7306 to output_init_element.
7307 (push_init_element, pop_init_level, set_designator): Adjust
7308 process_init_element callers.
7309 (set_nonincremental_init, set_nonincremental_init_from_string):
7310 Adjust add_pending_init callers.
7311 (output_pending_init_elements): Adjust output_init_element callers.
7312 * c-tree.h (process_init_element): Adjust prototype.
7313 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7314 process_init_element callers.