1 2009-04-17 David Edelsohn <edelsohn@gnu.org>
3 * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
5 2009-04-17 Eric Botcazou <ebotcazou@adacore.com>
7 * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
8 * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
10 2009-04-17 Richard Guenther <rguenther@suse.de>
12 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13 Handle component references view-converting an invariant address.
15 2009-04-17 Adam Nemet <anemet@caviumnetworks.com>
17 * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
18 TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
19 TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
20 TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
21 Use @deftypevr rather than @deftypevar.
23 2009-04-17 Richard Guenther <rguenther@suse.de>
25 * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up
27 (get_prop_source_stmt): Likewise.
28 (can_propagate_from): Likewise.
30 2009-04-17 Andrew Stubbs <ams@codesourcery.com>
32 * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
33 TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
34 (--with-multilib-list): Add default value.
35 * configure: Regenerate.
36 * Makefile.in (TM_ENDIAN_CONFIG): Define.
37 (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
38 * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
39 TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
40 Don't add default cpu to multilib list unnecessarily, but do enable
41 the relevant compiler option..
42 Add support for --with-multilib-list=<blank> and
43 --with-multilib-list=!<somelib> to supress unwanted multilibs.
44 * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
45 (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
46 (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
48 (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
49 (MULTILIB_OSDIRNAMES): New variable.
50 * config/sh/t-1e: Delete file.
51 * config/sh/t-mlib-sh1: Delete file.
52 * config/sh/t-mlib-sh2: Delete file.
53 * config/sh/t-mlib-sh2a: Delete file.
54 * config/sh/t-mlib-sh2a-nofpu: Delete file.
55 * config/sh/t-mlib-sh2a-single: Delete file.
56 * config/sh/t-mlib-sh2a-single-only: Delete file.
57 * config/sh/t-mlib-sh2e: Delete file.
58 * config/sh/t-mlib-sh3e: Delete file.
59 * config/sh/t-mlib-sh4: Delete file.
60 * config/sh/t-mlib-sh4-nofpu: Delete file.
61 * config/sh/t-mlib-sh4-single: Delete file.
62 * config/sh/t-mlib-sh4-single-only: Delete file.
63 * config/sh/t-mlib-sh4a: Delete file.
64 * config/sh/t-mlib-sh4a-nofpu: Delete file.
65 * config/sh/t-mlib-sh4a-single: Delete file.
66 * config/sh/t-mlib-sh4a-single-only: Delete file.
67 * config/sh/t-mlib-sh4al: Delete file.
68 * config/sh/t-mlib-sh5-32media: Delete file.
69 * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
70 * config/sh/t-mlib-sh5-64media: Delete file.
71 * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
72 * config/sh/t-mlib-sh5-compact: Delete file.
73 * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
74 * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
75 * doc/install.texi (Options specification): Add
76 --with-multilib-list and --with-endian.
78 2009-04-17 Rafael Avila de Espindola <espindola@google.com>
80 * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
82 (OBJS-common): Add plugin-version.o.
83 (plugin-version.o): New.
84 * gcc-plugin.h (plugin_gcc_version): New.
85 (plugin_default_version_check): New.
86 (plugin_init_func, plugin_init): Add version argument.
87 * plugin-version.c: New.
88 * plugin.c (str_plugin_gcc_version_name): New.
89 (try_init_one_plugin): Read plugin_gcc_version from the plugin and
90 pass it to the init function.
91 (plugin_default_version_check): New.
93 2009-04-17 Richard Guenther <rguenther@suse.de>
95 * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
96 for decl-vs-decl disambiguation.
98 2009-04-17 Andreas Krebbel <krebbel1@de.ibm.com>
100 * config/s390/s390.h (s390_tune_attr): New macro definition.
101 * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
103 2009-04-17 Richard Guenther <rguenther@suse.de>
105 * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
106 (fold_stmt_r): Likewise.
107 (maybe_fold_reference): New function.
108 (fold_gimple_assign): Handle cases fold_stmt_r did.
109 (fold_stmt): Do not use fold_stmt_r.
110 (fold_stmt_inplace): Likewise.
112 2009-04-17 Richard Guenther <rguenther@suse.de>
114 * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
115 (record_equivalences_from_stmt): Remove useless checks and
117 * tree-ssa-pre.c (eliminate): Avoid converting a constant if
118 the type is already suitable.
120 2009-04-17 Paolo Bonzini <bonzini@gnu.org>
122 * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
124 2009-04-17 Uros Bizjak <ubizjak@gmail.com>
126 * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
127 (CMPtype): Define as __gcc_CMPtype.
129 2009-04-17 Aurelien Jarno <aurelien@aurel32.net>
131 * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
132 for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
134 2009-04-17 Richard Guenther <rguenther@suse.de>
136 PR tree-optimization/39746
137 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
138 special-casing for builtins and static variable use/def.
139 (call_may_clobber_ref_p_1): Likewise.
141 2009-04-16 Ian Lance Taylor <iant@google.com>
143 * df.h: Include "timevar.h".
144 (struct df_problem): Change tv_id field to timevar_id_t.
145 * tree-pass.h: Include "timevar.h".
146 (struct opt_pass): Change tv_id field to timevar_id_t.
147 * timevar.h (timevar_id_t): Define TV_NONE.
148 * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
149 TV_NONE rather than tv_id != 0.
150 (execute_one_pass): Likewise.
151 * Makefile.in (DF_H): Add $(TIMEVAR_H).
152 (TREE_PASS_H): Define. Change all instances of tree-pass.h in
153 dependencies to $(TREE_PASS_H).
154 * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
156 (pass_branch_target_load_optimize2): Likewise.
157 * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
158 (pass_outof_cfg_layout_mode): Likewise.
159 * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
160 (pass_rebuild_cgraph_edges): Likewise.
161 (pass_remove_cgraph_callee_edges): Likewise.
162 * df-core.c (pass_df_initialize_opt): Likewise.
163 (pass_df_initialize_no_opt): Likewise.
164 (pass_df_finish): Likewise.
165 * emit-rtl.c (pass_unshare_all_rtl): Likewise.
166 * except.c (pass_set_nothrow_function_flags): Likewise.
167 (pass_convert_to_eh_region_ranges): Likewise.
168 * final.c (pass_compute_alignments): Likewise.
169 * function.c (pass_instantiate_virtual_regs): Likewise.
170 (pass_init_function): Likewise.
171 (pass_leaf_regs): Likewise.
172 (pass_match_asm_constraints): Likewise.
173 * gimple-low.c (pass_lower_cf): Likewise.
174 (pass_mark_used_blocks): Likewise.
175 * init-regs.c (pass_initialize_regs): Likewise.
176 * integrate.c (pass_initial_value_sets): Likewise.
177 * ira.c (pass_ira): Likewise.
178 * jump.c (pass_cleanup_barriers): Likewise.
179 * omp-low.c (pass_expand_omp): Likewise.
180 (pass_lower_omp): Likewise.
181 * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
182 * recog.c (pass_split_all_insns): Likewise.
183 (pass_split_after_reload): Likewise.
184 (pass_split_before_regstack): Likewise.
185 (pass_split_before_sched2): Likewise.
186 (pass_split_for_shorten_branches): Likewise.
187 * reginfo.c (pass_reginfo_init): Likewise.
188 (pass_subregs_of_mode_init): Likewise.
189 (pass_subregs_of_mode_finish): Likewise.
190 * passes.c (pass_postreload): Likewise.
191 * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
192 * tree-cfg.c (pass_remove_useless_stmts): Likewise.
193 (pass_warn_function_return): Likewise.
194 (pass_warn_function_noreturn): Likewise.
195 * tree-complex.c (pass_lower_complex): Likewise.
196 (pass_lower_complex_O0): Likewise.
197 * tree-if-conv.c (pass_if_conversion): Likewise.
198 * tree-into-ssa.c (pass_build_ssa): Likewise.
199 * tree-mudflap.c (pass_mudflap_1): Likewise.
200 (pass_mudflap_2): Likewise.
201 * tree-nomudflap.c (pass_mudflap_1): Likewise.
202 (pass_mudflap_2): Likewise.
203 * tree-nrv.c (pass_return_slot): Likewise.
204 * tree-object-size.c (pass_object_sizes): Likewise.
205 * tree-optimize.c (pass_all_optimizations): Likewise.
206 (pass_early_local_passes): Likewise.
207 (pass_all_early_optimizations): Likewise.
208 (pass_cleanup_cfg): Likewise.
209 (pass_cleanup_cfg_post_optimizing): Likewise.
210 (pass_free_datastructures): Likewise.
211 (pass_free_cfg_annotations): Likewise.
212 (pass_fixup_cfg): Likewise.
213 (pass_init_datastructures): Likewise.
214 * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
215 (pass_late_warn_uninitialized): Likewise.
216 (pass_update_address_taken): Likewise.
217 * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
218 * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
219 (pass_cse_sincos): Likewise.
220 (pass_convert_to_rsqrt): Likewise.
221 * tree-ssa-structalias.c (pass_build_alias): Likewise.
222 * tree-stdarg.c (pass_stdarg): Likewise.
223 * tree-tailcall.c (pass_tail_recursion): Likewise.
224 (pass_tail_calls): Likewise.
225 * tree-vect-generic.c (pass_lower_vector): Likewise.
226 (pass_lower_vector_ssa): Likewise.
227 * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
229 2009-04-16 Joseph Myers <joseph@codesourcery.com>
231 * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
233 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
235 * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
238 2009-04-16 Kaz Kojima <kkojima@gcc.gnu.org>
241 * config/sh/predicates.md (arith_operand): Check if the operand
242 of TRUNCATE is a REG.
244 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
246 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
247 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
249 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
251 * tree-iterator.c (tsi_split_statement_list_after,
252 tsi_split_statement_list_before): Remove.
253 * tree-iterator.h: Remove the prototypes for
254 tsi_split_statement_list_after and tsi_split_statement_list_before.
256 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
258 * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
259 * tree-ssa-propagate.h: Remove the prototype for
260 stmt_makes_single_load.
262 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
264 * emit-rtl.c (set_mem_attrs_from_reg): Remove.
265 * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
267 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
269 * tree-iterator.c (EXPR_LAST_BODY): Remove.
271 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
273 * except.c (eh_region_outer_p): Remove.
274 * except.h: Remove the prototype for eh_region_outer_p.
276 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
278 * function.c (current_function_assembler_name): Remove.
279 * function.h: Remove the prototype for
280 current_function_assembler_name.
282 2009-04-16 Ian Lance Taylor <iant@google.com>
284 * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
285 (add_reg_note): Call alloc_reg_note.
286 * rtl.h (alloc_reg_note): Declare.
287 * combine.c (try_combine): Use alloc_reg_note.
288 (recog_for_combine, move_deaths): Likewise.
289 (distribute_notes): Use alloc_reg_note and add_reg_note.
290 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
291 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
292 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
294 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
296 PR rtl-optimization/39762
297 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
298 ira_may_move_out_cost): Add comments about way of their usage.
299 (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
301 * ira-conflicts.c (process_regs_for_copy): Use function
302 ira_get_register_move_cost instead of global
303 ira_register_move_cost.
305 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
306 color_pass, move_spill_restore, update_curr_costs): Ditto.
308 * ira-lives.c (process_single_reg_class_operands): Ditto.
310 * ira-emit.c (emit_move_list): Ditto.
312 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
313 (record_reg_classes): Ditto. Use functions
314 ira_get_register_move_cost and ira_get_may_move_cost instead of
315 global vars ira_register_move_cost, ira_may_move_out_cost and
316 ira_may_move_in_cost.
317 (record_address_regs): Don't call ira_init_register_move_cost.
318 Use function ira_get_may_move_cost instead of global
319 ira_may_move_in_cost.
320 (process_bb_node_for_hard_reg_moves): Use function
321 ira_get_register_move_cost instead of global ira_register_move_cost.
322 (ira_costs): Don't call ira_init_register_move_cost.
324 2009-04-16 Richard Guenther <rguenther@suse.de>
326 * tree-cfg.c (verify_gimple_assign_binary):
327 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
328 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
329 (create_general_new_stmt): Note that this function is broken.
331 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
333 * common.opt (fhelp): Add Var(help_flag).
334 * gcc-plugin.h (plugin_info): Add help.
335 * plugin.c (plugin_name_args): Add help.
336 (register_plugin_info): Set plugin->help.
337 (print_help_one_plugin): New.
338 (print_plugins_help): New.
339 * plugin.h (print_plugins_help): New.
340 * toplev.c (toplev_main): Call print_plugins_help if needed.
342 2009-04-16 Richard Guenther <rguenther@suse.de>
344 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
345 (gimple_ior_addresses_taken_1): New function.
346 (gimple_ior_addresses_taken): Likewise.
347 * gimple.h (struct gimple_statement_with_ops_base): Remove
348 addresses_taken member.
349 (gimple_ior_addresses_taken): Declare.
350 (gimple_addresses_taken, gimple_addresses_taken_ptr,
351 gimple_set_addresses_taken): Remove.
352 * ipa-reference.c (mark_address): New function.
353 (scan_stmt_for_static_refs): Use it for marking addresses taken.
354 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
355 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
356 (gimple_add_to_addresses_taken): Remove.
357 (get_tmr_operands): Call mark_address_taken.
358 (get_asm_expr_operands): Likewise.
359 (get_expr_operands): Likewise.
360 (build_ssa_operands): Do not clear the addresses_taken bitmap.
361 (free_stmt_operands): Do not free it.
362 * tree-ssa.c (delete_tree_ssa): Likewise.
363 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
365 2009-04-16 Richard Guenther <rguenther@suse.de>
367 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
368 (walk_stmt_load_store_ops): Likewise.
369 * gimple.c (get_base_loadstore): New function.
370 (walk_stmt_load_store_addr_ops): Likewise.
371 (walk_stmt_load_store_ops): Likewise.
372 * ipa-pure-const.c (check_op): Simplify.
373 (check_load, check_store): New functions.
374 (check_stmt): Use walk_stmt_load_store_ops.
375 * ipa-reference.c (mark_load): Adjust signature.
376 (mark_store): Likewise.
377 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
379 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
381 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
383 * opts.c (common_handle_option): Don't call print_version.
384 * plugin.c (plugin_name_args): Add version.
385 (register_plugin_info): New.
386 (register_callback): Handle PLUGIN_INFO.
387 (try_init_one_plugin): New.
388 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
390 (finalize_one_plugin): New.
391 (finalize_plugins): New.
392 (print_one_plugin): New.
393 (print_plugins_versions): New.
394 * plugin.h (print_plugins_versions): New.
395 (finalize_plugins): New.
396 * toplev.c (compile_file): Don't call initialize_plugins.
397 (print_version): Call print_plugins_versions.
398 (toplev_main): Call initialize_plugins. Print version if needed.
399 Call finalize_plugins.
401 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
403 * common.opt (fversion): New.
404 * gcc.c (print_version): New.
405 (process_command): Don't print the version. Just set print_version.
406 (main): Print version. Call subprocesses if print_version and
407 verbose_flag are set.
408 * opts.c (common_handle_option): Handle OPT_fversion.
410 2009-04-16 Richard Guenther <rguenther@suse.de>
411 Ira Rosen <irar@il.ibm.com>
413 PR tree-optimization/39698
414 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
415 type of the reduction variable. Only generate the def if
418 * omp-low.c (expand_omp_for_generic): When converting to a pointer
419 make sure to first convert to an integer of the same precision.
420 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
421 the type of the evolution correctly in computing the new
422 induction variable base.
424 2009-04-16 Richard Guenther <rguenther@suse.de>
427 * tree-cfg.c (make_blocks): Split statements with to-be
428 abnormal SSA names on the lhs.
430 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
432 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
433 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
434 * c-typeck.c (really_start_incremental_init): Likewise.
435 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
436 (TARGET_INITIALIZER): Remove it.
437 * target.h (struct target): Remove vector_opaque_p.
438 * tree.c (build_opaque_vector_type): New.
439 * tree.h (TYPE_VECTOR_OPAQUE): New.
440 (build_opaque_vector_type): Declare.
441 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
442 * config/rs6000/rs6000.c (build_opaque_vector_type,
443 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
444 (rs6000_init_builtins): Use build_opaque_vector_type for
445 opaque_V4SI_type_node.
447 2009-04-15 Catherine Moore <clm@codesourcery.com>
449 * debug.h (set_name): Declare.
450 * dwarf2out.c (dwarf2out_set_name): Declare.
451 (dwarf2_debug_hooks): Add set_name.
452 (find_AT_string): New.
453 (add_AT_string): Call find_AT_string.
454 (dwarf2out_set_name): New.
455 * cp/decl.c (grokdeclarator): Call set_name.
456 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
457 * debug.c (do_nothing_debug_hooks): Likewise.
458 * dbxout.c (dbx_debug_hooks): Likewise.
459 * sdbout.c (sdb_debug_hooks): Likewise.
461 2009-04-15 Michael Eager <eager@eagercon.com>
463 * config/rs6000/rs6000.c (rs6000_function_value): Set function return
464 reg for single-precision FPU.
465 * config/rs6000/rs6000.md (movsi_internal1): Only for
467 (movsi_internal1_single): New. Add pattern to move SI values to/from
468 single-precision FP regs.
470 2009-04-15 Richard Guenther <rguenther@suse.de>
472 * omp-low.c (lower_rec_input_clauses): Build correct address
474 (expand_omp_for_generic): Fix multiplication type.
475 * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
476 (generate_memset_zero): Fix types.
477 * tree-profile.c (prepare_instrumented_value): Correctly
480 2009-04-15 Ian Lance Taylor <iant@google.com>
482 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
483 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
484 for -Wall and for -Wc++-compat.
485 (c_common_post_options): For C++, set warn_enum_compare if not
487 * c-tree.h (struct c_expr): Add field original_type.
488 (build_external_ref): Update declaration.
489 * c-parser.c (c_parser_braced_init): Set original_type.
490 (c_parser_initelt): Likewise.
491 (c_parser_expr_no_commas): Likewise.
492 (c_parser_conditional_expression): Likewise.
493 (c_parser_cast_expression): Likewise.
494 (c_parser_unary_expression): Likewise. Pull setting of
495 original_code to top of function.
496 (c_parser_sizeof_expression): Set original_type.
497 (c_parser_alignof_expression): Likewise.
498 (c_parser_postfix_expression): Likewise. Pull setting of
499 original_code to top of function.
500 (c_parser_postfix_expression_after_paren_type): Set original_type.
501 (c_parser_postfix_expression_after_primary): Likewise.
502 (c_parser_expression): Likewise.
503 * c-typeck.c (build_external_ref): Add type parameter. Change all
505 (c_expr_sizeof_expr): Set original_type field.
506 (parser_build_unary_op): Likewise.
507 (parser_build_binary_op): Likewise. Optionally warn about
508 comparisons of enums of different types.
509 (digest_init): Set original_type field.
510 (really_start_incremental_init): Likewise.
511 (push_init_level, pop_init_level): Likewise.
512 * doc/invoke.texi (Warning Options): -Wenum-compare now
515 2009-04-15 Richard Guenther <rguenther@suse.de>
517 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
518 out a necessary conversion.
519 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
520 names we didn't value number.
521 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
523 2009-04-15 Richard Guenther <rguenther@suse.de>
525 PR tree-optimization/39764
526 * tree-ssa-ccp.c (get_value): Canonicalize value with
527 canonicalize_float_value.
529 2009-04-15 Jan Hubicka <jh@suse.cz>
531 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
532 Wrong version of patch.
534 2009-04-15 Jan Hubicka <jh@suse.cz>
536 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
538 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
540 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
541 our distinct integral and vector types.
543 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
545 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
546 * init.c (build_vtbl_address): Remove call to assemble_external.
548 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
550 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
551 output for other floating point modes.
553 2009-04-14 Diego Novillo <dnovillo@google.com>
555 * diagnostic.c (diagnostic_report_diagnostic): Do not
556 warn about loaded plugins for DK_ERROR and DK_WARNING.
557 * c-decl.c (declspecs_add_type): Move call to
558 invoke_plugin_callbacks ...
559 * c-parser.c (c_parser_declspecs): ... here.
560 * plugin.c (dump_active_plugins): Tidy output.
562 2009-04-14 Diego Novillo <dnovillo@google.com>
563 Le-Chun Wu <lcwu@google.com>
565 * configure.ac: Add --enable-plugin support.
566 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
567 * Makefile.in (PLUGIN_H): Define.
568 Export ENABLE_PLUGIN and GMPINC to site.exp.
569 Add PLUGINLIBS to link command.
570 Add/modify dependencies for plugin.o and files including plugin.h.
572 * config.in: Regenerate.
574 * opts.c (common_handle_option): Handle OPT_fplugin_ and
577 2009-04-14 Le-Chun Wu <lcwu@google.com>
579 * tree-pass.h (register_one_dump_file): Add a prototype for
580 register_one_dump_file.
581 * toplev.c (compile_file): Call initialize_plugins.
582 (do_compile): Call invoke_plugin_callbacks.
583 (toplev_main): Call invoke_plugin_callbacks.
584 * common.opt: Add -fplugin= and -fplugin-arg-.
585 * gcc-plugin.h: New public header file for plugins to include.
586 * plugin.c: New source file.
587 * plugin.h: New internal header file.
588 * passes.c (register_one_dump_file): Make it external.
590 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
592 2009-04-14 Diego Novillo <dnovillo@google.com>
594 * doc/plugins.texi: New.
595 * doc/gccint.texi: Add reference to Plugins chapter.
596 * doc/invoke.texi: Document -fplugin and -fplugin-arg
597 * diagnostic.c (diagnostic_report_diagnostic): Warn about
598 loaded plugins, if any.
599 * timevar.def (TV_PLUGIN_INIT): Define.
600 (TV_PLUGIN_RUN): Define.
601 * plugin.c: Include timevar.h
602 (plugins_active_p): New.
603 (dump_active_plugins): New.
604 (debug_active_plugins): New.
606 2009-04-14 Joseph Myers <joseph@codesourcery.com>
608 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
610 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
612 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
614 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
615 the same as a minus without a shift.
617 2009-04-14 Nick Clifton <nickc@redhat.com>
619 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
620 comparisons with small integers will always produce a short
623 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
626 2008-12-19 Diego Novillo <dnovillo@google.com>
628 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
630 2000-04-14 Richard Guenther <rguenther@suse.de>
632 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
634 (verify_gimple_assign_binary): Likewise. Handle shifts and
636 (verify_gimple_phi): Print the mismatched argument position.
637 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
639 (vect_update_init_of_dr): Likewise.
640 * matrix-reorg.c (transform_access_sites): Do what the
642 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
644 2009-04-13 Michael Eager <eager@eagercon.com>
646 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
647 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
648 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
649 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
650 remove duplicate config
652 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
654 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
655 file_name:line_number type locator of the call site.
657 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
659 * genautomata.c: Put blank after comma.
660 (automaton_decls): New.
661 (struct unit_usage): Add comments to member next.
662 (store_alt_unit_usage): Keep the list ordered.
663 (unit_present_on_list_p, equal_alternatives_p): New.
664 (check_regexp_units_distribution): Check units distribution
665 correctness correctly.
666 (main): Don't write automata if error is found. Return correct
669 * config/m68k/cf.md (cfv4_ds): Remove.
670 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
671 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
673 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
674 power4-load-ext, power4-store, power4-store-update,
675 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
676 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
677 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
678 power4-sqrt, power4-isync): Modify reservation to make correct
679 unit distribution to automata.
681 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
682 power5-store-update, power5-two, power5-three, power5-lmul,
683 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
685 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
687 * except.c (pass_set_nothrow_function_flags): Set name and add
689 (set_nothrow_function_flags): Mention in the dump file when
690 changing a function to nothrow.
692 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
695 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
696 instead of unsigned long.
698 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
700 * config/arm/arm.c (return_used_this_function): Remove.
701 (arm_output_function_prologue): Remove use of
702 return_used_this_function.
703 (output_return_instruction): Replace use of
704 return_used_this_function
705 by cfun->machine->return_used_this_function.
706 (arm_output_epilogue): Likewise.
707 (arm_output_function_epilogue): Likewise.
708 (thumb_unexpanded_epilogue): Likewise.
709 * config/arm/arm.h (struct machine_function):
710 New member return_used_this_function.
712 2009-04-12 Mark Mitchell <mark@codesourcery.com>
714 * doc/install.texi: Correct description of default directory for
715 --with-gxx-include-dir.
717 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
719 * fold-const.c (build_range_check): Properly deal with enumeral and
722 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
724 * doc/invoke.texi (max_gcse_passes): Remove documentation.
725 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
726 * params.h (MAX_GCSE_PASSES): Remove.
727 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
728 in sequence. Remove ability to run multiple passes.
729 (bypass_jumps): Report run as third CPROP pass.
731 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
734 * except.c (can_throw_external): Look at each insn in a SEQUENCE
735 when deciding whether the whole SEQUENCE can throw.
737 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
740 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
741 offseted label references.
743 2009-04-11 Jan Hubicka <jh@suse.cz>
745 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
747 2009-04-11 Richard Guenther <rguenther@suse.de>
750 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
751 return variables as TREE_ADDRESSABLE.
753 2009-04-11 Richard Guenther <rguenther@suse.de>
755 PR tree-optimization/39713
756 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
757 reference trees have SSA_NAME operands.
759 2009-04-11 Richard Guenther <rguenther@suse.de>
762 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
765 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
767 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
768 match changes in Cygwin 1.7
769 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
770 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
772 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
774 PR tree-optimization/39701
775 * doc/invoke.texi (Optimization Options): Document change in
776 meaning and initialization of -fdelete-null-pointer-checks.
778 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
781 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
783 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
786 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
788 2009-04-10 Chao-ying Fu <fu@mips.com>
790 * doc/tm.texi (Instruction Output): Document
791 TARGET_ASM_FINAL_POSTSCAN_INSN.
792 * target.h (final_postscan_insn): New field in asm_out.
793 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
794 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
795 * final.c (final_scan_insn): Call
796 targetm.asm_out.final_postscan_insn after outputting
797 an asm macro and a normal instruction.
799 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
800 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
801 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
802 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
803 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
805 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
808 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
809 variables as non-NULL even with -fdelete-null-pointer-checks.
811 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
813 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
815 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
818 * config/i386/i386.c (classify_argument): Handle SCmode with
819 (bit_offset % 64) != 0.
821 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
823 * doc/invoke.texi (Optimize Options): Add cross-reference to
824 -Q --help=optimizers examples.
826 2009-04-10 Ben Elliston <bje@au.ibm.com>
829 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
830 regalign for the reg == fpr and TDmode case.
832 2009-04-09 David Ayers <ayers@fsfe.org>
835 * objc/objc-act.c (warn_with_method): Remove helper function.
836 (check_duplicates): Call warning and inform directly.
837 (really_start_method): Likewise.
839 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
841 * expmed.c (expand_divmod): Always use a comparison for a division
842 by a large unsigned integer.
844 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
845 for things others than variables or functions as nonzero.
847 2009-04-09 Nick Clifton <nickc@redhat.com>
849 * unwind-compat.c: Change copyright header to refer to version
850 3 of the GNU General Public License with version 3.1 of the
851 GCC Runtime Library Exception and to point readers at the
852 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
853 * config/alpha/crtfastmath.c: Likewise.
854 * config/alpha/linux-unwind.h: Likewise.
855 * config/alpha/qrnnd.asm: Likewise.
856 * config/alpha/vms-crt0-64.c: Likewise.
857 * config/alpha/vms-crt0.c: Likewise.
858 * config/alpha/vms-dwarf2.asm: Likewise.
859 * config/alpha/vms-dwarf2eh.asm: Likewise.
860 * config/alpha/vms-psxcrt0-64.c: Likewise.
861 * config/alpha/vms-psxcrt0.c: Likewise.
862 * config/alpha/vms_tramp.asm: Likewise.
863 * config/arc/initfini.c: Likewise.
864 * config/arc/lib1funcs.asm: Likewise.
865 * config/arm/bpabi-v6m.S: Likewise.
866 * config/arm/bpabi.S: Likewise.
867 * config/arm/bpabi.c: Likewise.
868 * config/arm/crti.asm: Likewise.
869 * config/arm/crtn.asm: Likewise.
870 * config/arm/ieee754-df.S: Likewise.
871 * config/arm/ieee754-sf.S: Likewise.
872 * config/arm/lib1funcs.asm: Likewise.
873 * config/arm/libunwind.S: Likewise.
874 * config/arm/linux-atomic.c: Likewise.
875 * config/arm/mmintrin.h: Likewise.
876 * config/arm/pr-support.c: Likewise.
877 * config/arm/unaligned-funcs.c: Likewise.
878 * config/arm/unwind-arm.c: Likewise.
879 * config/arm/unwind-arm.h: Likewise.
880 * config/avr/libgcc.S: Likewise.
881 * config/bfin/crti.s: Likewise.
882 * config/bfin/crtlibid.s: Likewise.
883 * config/bfin/crtn.s: Likewise.
884 * config/bfin/lib1funcs.asm: Likewise.
885 * config/bfin/linux-unwind.h: Likewise.
886 * config/cris/arit.c: Likewise.
887 * config/cris/cris_abi_symbol.c: Likewise.
888 * config/darwin-64.c: Likewise.
889 * config/darwin-crt2.c: Likewise.
890 * config/darwin-crt3.c: Likewise.
891 * config/darwin.h: Likewise.
892 * config/dbxelf.h: Likewise.
893 * config/dfp-bit.c: Likewise.
894 * config/dfp-bit.h: Likewise.
895 * config/elfos.h: Likewise.
896 * config/fixed-bit.c: Likewise.
897 * config/fixed-bit.h: Likewise.
898 * config/fp-bit.c: Likewise.
899 * config/fp-bit.h: Likewise.
900 * config/fr30/crti.asm: Likewise.
901 * config/fr30/crtn.asm: Likewise.
902 * config/fr30/lib1funcs.asm: Likewise.
903 * config/freebsd-spec.h: Likewise.
904 * config/frv/cmovd.c: Likewise.
905 * config/frv/cmovh.c: Likewise.
906 * config/frv/cmovw.c: Likewise.
907 * config/frv/frvbegin.c: Likewise.
908 * config/frv/frvend.c: Likewise.
909 * config/frv/lib1funcs.asm: Likewise.
910 * config/glibc-stdint.h: Likewise.
911 * config/h8300/clzhi2.c: Likewise.
912 * config/h8300/crti.asm: Likewise.
913 * config/h8300/crtn.asm: Likewise.
914 * config/h8300/ctzhi2.c: Likewise.
915 * config/h8300/fixunssfsi.c: Likewise.
916 * config/h8300/lib1funcs.asm: Likewise.
917 * config/h8300/parityhi2.c: Likewise.
918 * config/h8300/popcounthi2.c: Likewise.
919 * config/i386/ammintrin.h: Likewise.
920 * config/i386/att.h: Likewise.
921 * config/i386/avxintrin.h: Likewise.
922 * config/i386/biarch64.h: Likewise.
923 * config/i386/bmmintrin.h: Likewise.
924 * config/i386/cpuid.h: Likewise.
925 * config/i386/cross-stdarg.h: Likewise.
926 * config/i386/crtfastmath.c: Likewise.
927 * config/i386/crtprec.c: Likewise.
928 * config/i386/cygming-crtbegin.c: Likewise.
929 * config/i386/cygming-crtend.c: Likewise.
930 * config/i386/cygwin.asm: Likewise.
931 * config/i386/emmintrin.h: Likewise.
932 * config/i386/gmm_malloc.h: Likewise.
933 * config/i386/gthr-win32.c: Likewise.
934 * config/i386/i386.h: Likewise.
935 * config/i386/immintrin.h: Likewise.
936 * config/i386/linux-unwind.h: Likewise.
937 * config/i386/linux64.h: Likewise.
938 * config/i386/mm3dnow.h: Likewise.
939 * config/i386/mmintrin-common.h: Likewise.
940 * config/i386/mmintrin.h: Likewise.
941 * config/i386/nmmintrin.h: Likewise.
942 * config/i386/pmm_malloc.h: Likewise.
943 * config/i386/pmmintrin.h: Likewise.
944 * config/i386/smmintrin.h: Likewise.
945 * config/i386/sol2-c1.asm: Likewise.
946 * config/i386/sol2-ci.asm: Likewise.
947 * config/i386/sol2-cn.asm: Likewise.
948 * config/i386/sol2-gc1.asm: Likewise.
949 * config/i386/tmmintrin.h: Likewise.
950 * config/i386/unix.h: Likewise.
951 * config/i386/w32-unwind.h: Likewise.
952 * config/i386/wmmintrin.h: Likewise.
953 * config/i386/x86-64.h: Likewise.
954 * config/i386/x86intrin.h: Likewise.
955 * config/i386/xmmintrin.h: Likewise.
956 * config/ia64/crtbegin.asm: Likewise.
957 * config/ia64/crtend.asm: Likewise.
958 * config/ia64/crtfastmath.c: Likewise.
959 * config/ia64/crti.asm: Likewise.
960 * config/ia64/crtn.asm: Likewise.
961 * config/ia64/fde-glibc.c: Likewise.
962 * config/ia64/lib1funcs.asm: Likewise.
963 * config/ia64/linux-unwind.h: Likewise.
964 * config/ia64/quadlib.c: Likewise.
965 * config/ia64/unwind-ia64.c: Likewise.
966 * config/linux.h: Likewise.
967 * config/m32c/m32c-lib1.S: Likewise.
968 * config/m32c/m32c-lib2-trapv.c: Likewise.
969 * config/m32c/m32c-lib2.c: Likewise.
970 * config/m32r/initfini.c: Likewise.
971 * config/m68hc11/larith.asm: Likewise.
972 * config/m68hc11/m68hc11-crt0.S: Likewise.
973 * config/m68k/cf.md: Likewise.
974 * config/m68k/crti.s: Likewise.
975 * config/m68k/crtn.s: Likewise.
976 * config/m68k/lb1sf68.asm: Likewise.
977 * config/m68k/linux-unwind.h: Likewise.
978 * config/mcore/crti.asm: Likewise.
979 * config/mcore/crtn.asm: Likewise.
980 * config/mcore/lib1.asm: Likewise.
981 * config/mips/linux-unwind.h: Likewise.
982 * config/mips/loongson.h: Likewise.
983 * config/mips/mips16.S: Likewise.
984 * config/mmix/crti.asm: Likewise.
985 * config/mmix/crtn.asm: Likewise.
986 * config/pa/fptr.c: Likewise.
987 * config/pa/hpux-unwind.h: Likewise.
988 * config/pa/lib2funcs.asm: Likewise.
989 * config/pa/linux-atomic.c: Likewise.
990 * config/pa/linux-unwind.h: Likewise.
991 * config/pa/milli64.S: Likewise.
992 * config/pa/quadlib.c: Likewise.
993 * config/pa/stublib.c: Likewise.
994 * config/picochip/libgccExtras/adddi3.asm: Likewise.
995 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
996 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
997 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
998 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
999 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
1000 * config/picochip/libgccExtras/divmod15.asm: Likewise.
1001 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
1002 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
1003 * config/picochip/libgccExtras/longjmp.asm: Likewise.
1004 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
1005 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
1006 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
1007 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
1008 * config/picochip/libgccExtras/setjmp.asm: Likewise.
1009 * config/picochip/libgccExtras/subdi3.asm: Likewise.
1010 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
1011 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
1012 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
1013 * config/rs6000/750cl.h: Likewise.
1014 * config/rs6000/altivec.h: Likewise.
1015 * config/rs6000/biarch64.h: Likewise.
1016 * config/rs6000/crtresfpr.asm: Likewise.
1017 * config/rs6000/crtresgpr.asm: Likewise.
1018 * config/rs6000/crtresxfpr.asm: Likewise.
1019 * config/rs6000/crtresxgpr.asm: Likewise.
1020 * config/rs6000/crtsavfpr.asm: Likewise.
1021 * config/rs6000/crtsavgpr.asm: Likewise.
1022 * config/rs6000/darwin-asm.h: Likewise.
1023 * config/rs6000/darwin-fallback.c: Likewise.
1024 * config/rs6000/darwin-fpsave.asm: Likewise.
1025 * config/rs6000/darwin-ldouble.c: Likewise.
1026 * config/rs6000/darwin-tramp.asm: Likewise.
1027 * config/rs6000/darwin-unwind.h: Likewise.
1028 * config/rs6000/darwin-vecsave.asm: Likewise.
1029 * config/rs6000/darwin-world.asm: Likewise.
1030 * config/rs6000/e500crtres32gpr.asm: Likewise.
1031 * config/rs6000/e500crtres64gpr.asm: Likewise.
1032 * config/rs6000/e500crtres64gprctr.asm: Likewise.
1033 * config/rs6000/e500crtrest32gpr.asm: Likewise.
1034 * config/rs6000/e500crtrest64gpr.asm: Likewise.
1035 * config/rs6000/e500crtresx32gpr.asm: Likewise.
1036 * config/rs6000/e500crtresx64gpr.asm: Likewise.
1037 * config/rs6000/e500crtsav32gpr.asm: Likewise.
1038 * config/rs6000/e500crtsav64gpr.asm: Likewise.
1039 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1040 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1041 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1042 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1043 * config/rs6000/eabi-ci.asm: Likewise.
1044 * config/rs6000/eabi-cn.asm: Likewise.
1045 * config/rs6000/eabi.asm: Likewise.
1046 * config/rs6000/linux-unwind.h: Likewise.
1047 * config/rs6000/linux64.h: Likewise.
1048 * config/rs6000/paired.h: Likewise.
1049 * config/rs6000/paired.md: Likewise.
1050 * config/rs6000/ppc64-fp.c: Likewise.
1051 * config/rs6000/ppu_intrinsics.h: Likewise.
1052 * config/rs6000/rs6000.h: Likewise.
1053 * config/rs6000/si2vmx.h: Likewise.
1054 * config/rs6000/sol-ci.asm: Likewise.
1055 * config/rs6000/sol-cn.asm: Likewise.
1056 * config/rs6000/spe.h: Likewise.
1057 * config/rs6000/spu2vmx.h: Likewise.
1058 * config/rs6000/sysv4.h: Likewise.
1059 * config/rs6000/tramp.asm: Likewise.
1060 * config/rs6000/vec_types.h: Likewise.
1061 * config/s390/linux-unwind.h: Likewise.
1062 * config/s390/tpf-unwind.h: Likewise.
1063 * config/score/crti.asm: Likewise.
1064 * config/score/crtn.asm: Likewise.
1065 * config/sh/crt1.asm: Likewise.
1066 * config/sh/crti.asm: Likewise.
1067 * config/sh/crtn.asm: Likewise.
1068 * config/sh/divtab-sh4-300.c: Likewise.
1069 * config/sh/divtab-sh4.c: Likewise.
1070 * config/sh/divtab.c: Likewise.
1071 * config/sh/lib1funcs-4-300.asm: Likewise.
1072 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1073 * config/sh/lib1funcs.asm: Likewise.
1074 * config/sh/lib1funcs.h: Likewise.
1075 * config/sh/linux-atomic.asm: Likewise.
1076 * config/sh/linux-unwind.h: Likewise.
1077 * config/sh/shmedia.h: Likewise.
1078 * config/sh/sshmedia.h: Likewise.
1079 * config/sh/ushmedia.h: Likewise.
1080 * config/sparc/crtfastmath.c: Likewise.
1081 * config/sparc/linux-unwind.h: Likewise.
1082 * config/sparc/sol2-c1.asm: Likewise.
1083 * config/sparc/sol2-ci.asm: Likewise.
1084 * config/sparc/sol2-cn.asm: Likewise.
1085 * config/spu/divmodti4.c: Likewise.
1086 * config/spu/divv2df3.c: Likewise.
1087 * config/spu/float_disf.c: Likewise.
1088 * config/spu/float_unsdidf.c: Likewise.
1089 * config/spu/float_unsdisf.c: Likewise.
1090 * config/spu/float_unssidf.c: Likewise.
1091 * config/spu/mfc_multi_tag_release.c: Likewise.
1092 * config/spu/mfc_multi_tag_reserve.c: Likewise.
1093 * config/spu/mfc_tag_release.c: Likewise.
1094 * config/spu/mfc_tag_reserve.c: Likewise.
1095 * config/spu/mfc_tag_table.c: Likewise.
1096 * config/spu/multi3.c: Likewise.
1097 * config/spu/spu_internals.h: Likewise.
1098 * config/spu/spu_intrinsics.h: Likewise.
1099 * config/spu/spu_mfcio.h: Likewise.
1100 * config/spu/vec_types.h: Likewise.
1101 * config/spu/vmx2spu.h: Likewise.
1102 * config/stormy16/stormy16-lib2.c: Likewise.
1103 * config/svr4.h: Likewise.
1104 * config/sync.c: Likewise.
1105 * config/v850/lib1funcs.asm: Likewise.
1106 * config/vxlib-tls.c: Likewise.
1107 * config/vxlib.c: Likewise.
1108 * config/vxworks-dummy.h: Likewise.
1109 * config/xtensa/crti.asm: Likewise.
1110 * config/xtensa/crtn.asm: Likewise.
1111 * config/xtensa/ieee754-df.S: Likewise.
1112 * config/xtensa/ieee754-sf.S: Likewise.
1113 * config/xtensa/lib1funcs.asm: Likewise.
1114 * config/xtensa/lib2funcs.S: Likewise.
1115 * config/xtensa/linux-unwind.h: Likewise.
1116 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1117 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1118 * coretypes.h: Likewise.
1119 * crtstuff.c: Likewise.
1120 * defaults.h: Likewise.
1121 * dwarf2.h: Likewise.
1122 * emutls.c: Likewise.
1123 * gbl-ctors.h: Likewise.
1124 * gcov-io.h: Likewise.
1125 * ginclude/float.h: Likewise.
1126 * ginclude/iso646.h: Likewise.
1127 * ginclude/stdarg.h: Likewise.
1128 * ginclude/stdbool.h: Likewise.
1129 * ginclude/stddef.h: Likewise.
1130 * ginclude/stdfix.h: Likewise.
1131 * ginclude/stdint-gcc.h: Likewise.
1132 * ginclude/tgmath.h: Likewise.
1133 * gthr-aix.h: Likewise.
1134 * gthr-dce.h: Likewise.
1135 * gthr-gnat.c: Likewise.
1136 * gthr-gnat.h: Likewise.
1137 * gthr-lynx.h: Likewise.
1138 * gthr-mipssde.h: Likewise.
1139 * gthr-nks.h: Likewise.
1140 * gthr-posix.c: Likewise.
1141 * gthr-posix.h: Likewise.
1142 * gthr-posix95.h: Likewise.
1143 * gthr-rtems.h: Likewise.
1144 * gthr-single.h: Likewise.
1145 * gthr-solaris.h: Likewise.
1146 * gthr-tpf.h: Likewise.
1147 * gthr-vxworks.h: Likewise.
1148 * gthr-win32.h: Likewise.
1150 * libgcc2.c: Likewise.
1151 * libgcc2.h: Likewise.
1152 * libgcov.c: Likewise.
1153 * tsystem.h: Likewise.
1154 * typeclass.h: Likewise.
1155 * unwind-c.c: Likewise.
1156 * unwind-compat.h: Likewise.
1157 * unwind-dw2-fde-compat.c: Likewise.
1158 * unwind-dw2-fde-darwin.c: Likewise.
1159 * unwind-dw2-fde-glibc.c: Likewise.
1160 * unwind-dw2-fde.c: Likewise.
1161 * unwind-dw2-fde.h: Likewise.
1162 * unwind-dw2.c: Likewise.
1163 * unwind-dw2.h: Likewise.
1164 * unwind-generic.h: Likewise.
1165 * unwind-pe.h: Likewise.
1166 * unwind-sjlj.c: Likewise.
1167 * unwind.inc: Likewise.
1168 * config/arm/neon-gen.ml: Change generated copyright header to
1169 refer to version 3 of the GNU General Public License with
1170 version 3.1 of the GCC Runtime Library Exception and to point
1171 readers at the COPYING3 and COPYING3.RUNTIME files and the
1172 FSF's license web page.
1173 * config/arm/arm_neon.h: Regenerate.
1175 2009-04-09 Jakub Jelinek <jakub@redhat.com>
1177 * config/cris/cris.md: Change copyright header to refer to version
1178 3 of the GNU General Public License.
1179 * doc/install.texi2html: Change copyright header to refer to version
1180 3 of the GNU General Public License and to point readers at the
1181 COPYING3 file and the FSF's license web page.
1182 * config/vax/linux.h: Likewise.
1184 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
1186 * config/i386/i386.md (cmpcc): New.
1187 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1188 (sync_compare_and_swap_cc*): Delete.
1190 * config/s390/s390.c (s390_compare_emitted): Remove.
1191 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1192 s390_compare_emitted used to be handled. Assert that modes match.
1193 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1194 refer to sync_compare_and_swap_ccsi.
1195 * config/s390/s390.h (s390_compare_emitted): Remove.
1196 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1197 instead of s390_compare_emitted.
1198 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1199 instead of s390_compare_emitted.
1200 * config/s390/s390.md (cmpcc): New.
1201 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1202 CC_REGNUM, do not pretend it's set.
1203 (sync_compare_and_swap_cc*): Delete.
1204 * config/s390/predicates.md (cc_reg_operand): New.
1206 * expr.c (sync_compare_and_swap_cc): Delete.
1207 * optabs.h (sync_compare_and_swap_cc): Delete.
1208 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1209 is being used with can_compare_p.
1210 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1212 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1213 look for a MODE_CC set instead. Use emit_store_flag.
1214 (expand_compare_and_swap_loop): Likewise, with some additional
1215 complication to avoid a force_reg when useless. Use
1216 emit_cmp_and_jump_insns.
1217 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1218 * doc/md.texi (sync_compare_and_swap_cc): Merge with
1219 sync_compare_and_swap documentation.
1221 2009-04-09 Jan Hubicka <jh@suse.cz>
1223 * except.c (find_prev_try): Break out from ....
1224 (duplicate_eh_regions): ... here; properly update prev_try pointers
1225 when duplication part of tree.
1226 (dump_eh_tree): Improve dumping.
1227 (verify_eh_region): New.
1228 (verify_eh_tree): Use it.
1230 2009-04-06 Richard Guenther <rguenther@suse.de>
1232 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1233 &ARRAY addresses by adjusting their types and prepending
1235 * tree-cfg.c (verify_gimple_assign_single): Verify that
1236 addresses are correct.
1238 2009-04-09 Richard Guenther <rguenther@suse.de>
1240 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1241 indices into an array reference if possible.
1242 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1243 Fold POINTER_PLUS_EXPR statements with invariant address.
1245 2009-04-09 Alan Modra <amodra@bigpond.net.au>
1248 * config.gcc (powerpc64-*-linux*): Always build biarch.
1250 2009-04-09 Joseph Myers <joseph@codesourcery.com>
1253 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1254 it and pedwarn if this results in an INTEGER_CST.
1256 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1258 * doc/install.texi: Update minimum GMP version. Remove obsolete
1259 text in MPFR section.
1261 2009-04-08 Jakub Jelinek <jakub@redhat.com>
1263 * dwarf2out.c (class_scope_p): New static inline.
1264 (class_or_namespace_scope_p): Use it.
1265 (gen_variable_die): Use DW_TAG_member tag for static data member
1266 declarations instead of DW_TAG_variable.
1269 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1272 2009-04-08 Richard Guenther <rguenther@suse.de>
1274 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1275 valueize random data.
1277 2009-04-08 David Edelsohn <edelsohn@gnu.org>
1279 * config.gcc (aix tm_file): Add aix-stdint.h.
1280 (aix tm clause use_gcc_stdint): Set to wrap.
1281 * config/rs6000/aix-stdint.h: New file.
1283 2009-04-08 Richard Guenther <rguenther@suse.de>
1286 * tree-dfa.c (add_referenced_var): Do not recurse into
1287 global initializers.
1288 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1290 (fold_const_aggregate_ref): Likewise.
1292 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1294 * recog.c (ordered_comparison_operator): New.
1295 * gensupport.c (std_preds): Add it.
1296 * doc/md.texi (Machine-Independent Predicates): Document it.
1298 2009-04-08 Jan Hubicka <jh@suse.cz>
1300 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1301 * function.h (rtl_eh): Remove exception_handler_label_map.
1302 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1303 remove_exception_handler_label, for_each_eh_label_1): Remove.
1304 (rtl_remove_unreachable_regions): Remove.
1305 (convert_from_eh_region_ranges): Do not remove unreachable regions.
1306 (find_exception_handler_labels): Don't build the hashtable.
1307 (maybe_remove_eh_handler): Remove.
1308 (for_each_eh_label): Rewrite to walk the tree.
1309 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1310 * except.h (maybe_remove_eh_handler): Remove.
1311 * passes.c (init_optimization_passes): Schedule second EH cleanup
1313 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1314 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1316 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1318 * genoutput.c (validate_optab_operands): New.
1319 (gen_insn, gen_expand): Call it.
1321 * genflags.c (gen_insn): Detect misused iterators.
1322 (main): Pass line_no to gen_insn, exit with status 1 on error.
1324 * genextract.c (line_no): Make global.
1325 (VEC_safe_set_locstr): Change assertion to error message.
1326 (main): Exit with status 1 on error.
1328 2009-04-08 Joseph Myers <joseph@codesourcery.com>
1332 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1333 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1334 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1335 * c-convert.c (convert): Do not call fold on results of conversion
1336 functions when the result is a C_MAYBE_CONST_EXPR.
1337 * c-parser.c (c_parser_postfix_expression): Do not fold condition
1338 of __builtin_choose_expr.
1339 * c-typeck.c (remove_c_maybe_const_expr): New.
1340 (build_unary_op, build_conditional_expr, build_compound_expr,
1341 build_binary_op, c_objc_common_truthvalue_conversion): Call
1342 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1345 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1347 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
1348 CODE to produce a new one. Add a prototype to use fold_convert_const
1350 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
1353 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1354 mix declarations and code.
1356 2009-04-08 Ben Elliston <bje@au.ibm.com>
1358 * gcc.c: Replace `CC' with `GCC' throughout.
1360 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
1362 * doc/invoke.texi: Document Atom support.
1364 2009-04-07 Jason Merrill <jason@redhat.com>
1367 * c-common.h, c-common.c: Add flag_pretty_templates.
1368 * c-opts.c (c_common_handle_option): Set it.
1369 * c.opt: Add -fno-pretty-templates.
1370 * doc/invoke.texi (C++ Dialect Options): Likewise.
1372 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
1374 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1375 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1376 (ia64_expand_builtin): Likewise.
1378 2009-04-07 Martin Jambor <mjambor@suse.cz>
1380 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1381 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1382 ADDR_EXPRS are include too.
1384 2009-04-07 Richard Guenther <rguenther@suse.de>
1386 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1387 decls are only used if passes as parameters or if they are
1388 local statics and the call is not to a builtin.
1389 (call_may_clobber_ref_p_1): Likewise.
1391 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1393 * expr.c (do_store_flag): Remove last argument. Simplify code
1394 to avoid duplication of tests already done by can_compare_p.
1395 (expand_expr_real_1): Adjust caller.
1397 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1399 * optabs.c (can_compare_p): Test the predicate of a
1400 cbranch and cstore pattern.
1402 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1404 * expr.c (convert_move): Use emit_store_flag instead of
1407 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1409 * config/i386/i386.c (ix86_compare_emitted): Remove.
1410 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1411 ix86_compare_op0 like ix86_compare_emitted used to be handled.
1412 * config/i386/i386.h (ix86_compare_emitted): Remove.
1413 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1414 instead of ix86_compare_emitted.
1415 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1417 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
1419 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1420 Add t-sysroot-suffix to tmake_file.
1421 * config/print-sysroot-suffix.sh: New file.
1422 * config/t-sysroot-suffix: New file.
1424 2009-04-07 Ben Elliston <bje@au.ibm.com>
1426 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1427 as the latter produces a warning when the target does not support
1430 2009-04-07 Ben Elliston <bje@au.ibm.com>
1432 * dfp.c: Replace type punning assignments with memcpy throughout.
1433 * Makefile.in (dfp.o-warn): Remove.
1435 2009-04-07 Alan Modra <amodra@bigpond.net.au>
1438 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1439 Include soft-fp/t-softfp after rs6000/t-linux64.
1441 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
1443 * stor-layout.c (set_sizetype): Use the full precision of their
1444 machine mode for bitsize types.
1446 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
1448 * config/i386/i386.md: Revert 2 accidental checkins.
1450 2009-04-06 Joey Ye <joey.ye@intel.com>
1451 Xuepeng Guo <xuepeng.guo@intel.com>
1452 H.J. Lu <hongjiu.lu@intel.com>
1454 Atom pipeline model, tuning and insn selection.
1455 * config.gcc (atom): Add atom config options and target.
1457 * config/i386/atom.md: New.
1459 * config/i386/i386.c (atom_cost): New cost.
1460 (m_ATOM): New macro flag.
1461 (initial_ix86_tune_features): Set m_ATOM.
1462 (x86_accumulate_outgoing_args): Likewise.
1463 (x86_arch_always_fancy_math_387): Likewise.
1464 (processor_target): Add Atom cost.
1465 (cpu_names): Add Atom cpu name.
1466 (override_options): Set Atom ISA.
1467 (ix86_issue_rate): New case PROCESSOR_ATOM.
1468 (ix86_adjust_cost): Likewise.
1470 * config/i386/i386.h (TARGET_ATOM): New target macro.
1471 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1472 (TARGET_OPT_AGU): New target option.
1473 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1474 (processor_type): Add PROCESSOR_ATOM.
1476 * config/i386/i386.md (cpu): Add new value "atom".
1477 (use_carry, movu): New attr.
1478 (atom.md): Include atom.md.
1479 (adddi3_carry_rex64): Set attr "use_carry".
1480 (addqi3_carry): Likewise.
1481 (addhi3_carry): Likewise.
1482 (addsi3_carry): Likewise.
1483 (*addsi3_carry_zext): Likewise.
1484 (subdi3_carry_rex64): Likewise.
1485 (subqi3_carry): Likewise.
1486 (subhi3_carry): Likewise.
1487 (subsi3_carry): Likewise.
1488 (x86_movdicc_0_m1_rex64): Likewise.
1489 (*x86_movdicc_0_m1_se): Likewise.
1490 (x86_movsicc_0_m1): Likewise.
1491 (*x86_movsicc_0_m1_se): Likewise.
1492 (*adddi_1_rex64): Emit add insn as much as possible.
1493 (*addsi_1): Likewise.
1494 (return_internal): Set atom_unit.
1495 (return_internal_long): Likewise.
1496 (return_pop_internal): Likewise.
1497 (*rcpsf2_sse): Set atom_sse_attr attr.
1498 (*qrt<mode>2_sse): Likewise.
1499 (*prefetch_sse): Likewise.
1501 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1503 (ix86_target_macros_internal): Likewise.
1505 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1506 (*prefetch_sse_rex): Likewise.
1507 (sse_rcpv4sf2): Likewise.
1508 (sse_vmrcpv4sf2): Likewise.
1509 (sse_sqrtv4sf2): Likewise.
1510 (<sse>_vmsqrt<mode>2): Likewise.
1511 (sse_ldmxcsr): Likewise.
1512 (sse_stmxcsr): Likewise.
1513 (*sse_sfence): Likewise.
1514 (sse2_clflush): Likewise.
1515 (*sse2_mfence): Likewise.
1516 (*sse2_lfence): Likewise.
1517 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1518 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1519 (avx_movdqu<avxmodesuffix>): Likewise.
1520 (avx_lddqu<avxmodesuffix>): Likewise.
1521 (sse2_movntv2di): Change attr "type" to "ssemov".
1522 (sse2_movntsi): Likewise.
1523 (rsqrtv8sf2): Change attr "type" to "sseadd".
1524 (sse3_addsubv2df3): Set attr "atom_unit".
1525 (sse3_h<plusminus_insn>v4sf3): Likewise.
1526 (*sse2_pmaddwd): Likewise.
1527 (*vec_extractv2di_1_rex64): Likewise.
1528 (*vec_extractv2di_1_avx): Likewise.
1529 (sse2_psadbw): Likewise.
1530 (ssse3_phaddwv8hi3): Likewise.
1531 (ssse3_phaddwv4hi3): Likewise.
1532 (ssse3_phadddv4si3): Likewise.
1533 (ssse3_phadddv2si3): Likewise.
1534 (ssse3_phaddswv8hi3): Likewise.
1535 (ssse3_phaddswv4hi3): Likewise.
1536 (ssse3_phsubwv8hi3): Likewise.
1537 (ssse3_phsubwv4hi3): Likewise.
1538 (ssse3_phsubdv4si3): Likewise.
1539 (ssse3_phsubdv2si3): Likewise.
1540 (ssse3_phsubswv8hi3): Likewise.
1541 (ssse3_phsubswv4hi3): Likewise.
1542 (ssse3_pmaddubsw128): Likewise.
1543 (sse3_pmaddubsw: Likewise.
1544 (ssse3_palignrti): Likewise.
1545 (ssse3_palignrdi): Likewise.
1547 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1549 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1551 2009-04-06 Richard Guenther <rguenther@suse.de>
1553 PR tree-optimization/28868
1554 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1555 of which PHI results we inserted.
1556 (insert_into_preds_of_block): Record inserted PHIs.
1557 (eliminate): Eliminate redundant PHI nodes.
1558 (init_pre): Init inserted_phi_names.
1560 2009-04-06 Richard Guenther <rguenther@suse.de>
1562 PR tree-optimization/39643
1563 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1564 IMAGPART_EXPRs of complex constants.
1565 (execute_fold_all_builtins): If we folded a call queue
1566 TODO_update_address_taken.
1568 2009-04-06 Jan Hubicka <jh@suse.cz>
1571 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1574 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1576 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1578 (ic_invalidate_array): Likewise.
1580 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1582 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1583 alignment for library calls.
1585 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1587 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1588 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1589 * config/i386/mingw-stdint.h: New file.
1591 2009-04-05 Richard Guenther <rguenther@suse.de>
1593 PR tree-optimization/39648
1594 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1595 our &A vs. &A[0] IL deficiencies.
1597 2009-04-04 Jan Hubicka <jh@suse.cz>
1599 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1600 removed toplevel regions.
1601 (sjlj_mark_call_sites): Likewise.
1603 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1605 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1606 (cygwin tm clause use_gcc_stdint): Set to wrap.
1607 * config/i386/cygwin-stdint.h: New file.
1609 2009-04-04 Richard Guenther <rguenther@suse.de>
1611 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1612 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1613 single-argument PHIs if we are in loop-closed SSA form.
1614 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1615 for the pre-condition.
1616 (slpeel_tree_peel_loop_to_edge): Likewise.
1617 (vect_build_loop_niters): Take an optional sequence to append stmts.
1618 (vect_generate_tmps_on_preheader): Likewise.
1619 (vect_do_peeling_for_loop_bound): Take extra guards for the
1621 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1622 the cost model check.
1623 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1624 guards if we are going to peel. Do not apply versioning in that case.
1625 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1626 (vect_do_peeling_for_loop_bound): Likewise.
1627 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1628 loop bound only record extra pre-conditions, do not apply loop
1631 2009-04-04 Richard Guenther <rguenther@suse.de>
1633 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1636 2009-04-04 Jan Hubicka <jh@suse.cz>
1638 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1639 last_basic_block for size of bb->index indexed array.
1640 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1641 compute_out, link_btr_uses, build_btr_def_use_webs,
1642 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1644 2009-04-04 Jan Hubicka <jh@suse.cz>
1646 * except.c (remove_eh_handler_and_replace): Break out from ...
1647 (remove_eh_handler): ... here.
1648 (bring_to_root): New function.
1649 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1650 handled ones, bring others to root of tree.
1652 2009-04-04 Jan Hubicka <jh@suse.cz>
1654 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1655 (all_phis_safe_to_merge): New function.
1656 (update_info): New structure.
1657 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1658 (cleanup_empty_eh): Update SSA if possible.
1660 2009-04-04 Richard Guenther <rguenther@suse.de>
1662 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1663 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1664 (append_vuse): Likewise.
1666 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1668 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1669 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1670 instead of REG_UNSAVED for DW_CFA_undefined.
1671 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1672 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1675 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1678 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1679 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1680 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1682 2009-04-04 Richard Guenther <rguenther@suse.de>
1684 PR tree-optimization/8781
1685 PR tree-optimization/37892
1686 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1687 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1688 (valueize_refs): Call it for *& valueizations.
1689 (shared_reference_ops_from_ref): Rename to ...
1690 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1691 (shared_reference_ops_from_call): Rename to ...
1692 (valueize_shared_reference_ops_from_call): ... this and valueize.
1693 (vn_reference_lookup): Update.
1694 (visit_reference_op_call): Likewise.
1695 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1696 (eliminate): Value-replace the call address in call statements.
1698 2009-04-04 Richard Guenther <rguenther@suse.de>
1700 PR tree-optimization/39636
1701 * tree-ssa-forwprop.c
1702 (forward_propagate_addr_into_variable_array_index): Check for
1703 GIMPLE_ASSIGN before accessing the rhs code.
1705 2009-04-03 Jason Merrill <jason@redhat.com>
1707 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1709 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1711 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1712 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1713 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1714 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1715 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1716 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1717 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1718 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1719 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1720 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1721 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1722 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1723 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1724 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1725 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1726 Use fr_reg_or_fp01_operand instead of fr_register_operand
1728 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1729 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1730 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1732 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1734 PR rtl-optimization/39607
1735 PR rtl-optimization/39631
1739 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1740 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1741 instead of DF_LR_OUT.
1742 * ira-lives.c (process_bb_node_lives): Ditto.
1743 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1744 instead of DF_LR_{OUT,IN}.
1745 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1746 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1748 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1750 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1751 (execute_lower_omp): Always run but take the short way out if -fopenmp
1753 (gate_lower_omp): Remove, forcing the pass manager to always run the
1754 pass and always set PROP_gimple_lomp.
1755 (pass_lower_omp): Remove gate function.
1756 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1757 PROP_trees. Instead, require it.
1758 * ipa-cp.c (pass_ipa_cp): Likewise.
1759 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1760 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1761 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1762 and PROP_gimple_leh.
1764 2009-04-03 Richard Guenther <rguenther@suse.de>
1767 PR tree-optimization/23940
1768 PR tree-optimization/33237
1771 PR tree-optimization/36201
1772 PR tree-optimization/36230
1773 PR tree-optimization/38049
1774 PR tree-optimization/38207
1775 PR tree-optimization/38230
1776 PR tree-optimization/38301
1777 PR tree-optimization/38585
1779 PR tree-optimization/38985
1780 PR tree-optimization/39299
1781 * tree-ssa-structalias.h: Remove.
1782 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1783 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1784 (struct vuse_element_d): Remove.
1785 (struct vuse_vec_d): Likewise.
1786 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1787 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1788 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1789 VUSE_ELEMENT_VAR): Likewise.
1790 (struct voptype_d): Likewise.
1791 (NUM_VOP_FREE_BUCKETS): Likewise.
1792 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1793 (struct stmt_operands_d): Remove.
1794 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1795 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1796 VDEF_NUM, VDEF_VECT): Likewise.
1797 (copy_virtual_operands): Remove.
1798 (operand_build_cmp): Likewise.
1799 (create_ssa_artificial_load_stmt): Likewise.
1800 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1801 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1802 vuse_index and mayuse_index members. Pack and move done and iter_type
1803 members to the front.
1804 (SSA_OP_VMAYUSE): Remove.
1805 (SSA_OP_VIRTUAL_USES): Adjust.
1806 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1807 (unlink_stmt_vdef): Declare.
1808 (add_to_addressable_set): Remove.
1809 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1810 (vrp_visit_stmt): Likewise.
1811 * doc/tree-ssa.texi (Alias analysis): Update.
1812 * doc/invoke.texi (max-aliased-vops): Remove docs.
1813 (avg-aliased-vops): Likewise.
1814 * tree-into-ssa.c (syms_to_rename): Remove.
1815 (need_to_update_vops_p): Likewise.
1816 (need_to_initialize_update_ssa_p): Rename to ...
1817 (update_ssa_initialized_fn): ... this. Track function we are
1819 (symbol_marked_for_renaming): Simplify.
1820 (add_new_name_mapping): Do not set need_to_update_vops_p.
1821 (dump_currdefs): Use SYMS_TO_RENAME.
1822 (rewrite_update_stmt): Always walk all uses/defs.
1823 (dump_update_ssa): Adjust.
1824 (init_update_ssa): Take function argument. Track what we are
1826 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1827 (create_new_def_for): Initialize for cfun, assert we are initialized
1829 (mark_sym_for_renaming): Simplify.
1830 (mark_set_for_renaming): Do not initialize update-ssa.
1831 (need_ssa_update_p): Simplify. Take function argument.
1832 (name_mappings_registered_p): Assert we ask for the correct function.
1833 (name_registered_for_update_p): Likewise.
1834 (ssa_names_to_replace): Likewise.
1835 (release_ssa_name_after_update_ssa): Likewise.
1836 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1837 (dump_decl_set): Do not print a newline.
1838 (debug_decl_set): Do it here.
1839 (dump_update_ssa): And here.
1840 * tree-ssa-loop-im.c (move_computations): Adjust.
1841 (movement_possibility): Likewise.
1842 (determine_max_movement): Likewise.
1843 (gather_mem_refs_stmt): Likewise.
1844 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1846 * tree-complex.c (update_all_vops): Remove.
1847 (expand_complex_move): Adjust.
1848 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1849 Simplify test for memory referencing statement. Exclude
1850 non-invariant ADDR_EXPRs.
1851 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1852 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1853 (rdg_flag_uses): Likewise.
1854 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1856 (tree_optimize_tail_calls_1): Also split the
1857 edge from the entry block if we have degenerate PHI nodes in
1858 the first basic block.
1859 * tree.c (init_ttree): Remove memory-tag related code.
1860 (tree_code_size): Likewise.
1861 (tree_node_structure): Likewise.
1862 (build7_stat): Re-write to be build6_stat.
1863 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1864 (SSA_VAR_P): Adjust.
1865 (struct tree_memory_tag): Remove.
1866 (struct tree_memory_partition_tag): Likewise.
1867 (union tree_node): Adjust.
1868 (build7): Re-write to be build6.
1869 * tree-pass.h (pass_reset_cc_flags): Remove.
1870 (TODO_update_address_taken): New flag.
1871 (pass_simple_dse): Remove.
1872 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1873 * params.h (MAX_ALIASED_VOPS): Remove.
1874 (AVG_ALIASED_VOPS): Likewise.
1875 * omp-low.c (expand_omp_taskreg): Update SSA form.
1876 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1877 aliases the lhs in a copy stmt.
1878 * tree-ssa-dse.c (struct address_walk_data): Remove.
1879 (memory_ssa_name_same): Likewise.
1880 (memory_address_same): Likewise.
1881 (get_kill_of_stmt_lhs): Likewise.
1882 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1883 unused stores. Look through PHI nodes into post-dominated regions.
1884 (dse_optimize_stmt): Simplify. Properly remove stores.
1885 (tree_ssa_dse): Compute dominators.
1886 (execute_simple_dse): Remove.
1887 (pass_simple_dse): Likewise.
1888 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1889 gimple_loaded_syms and gimple_stored_syms computation.
1890 * toplev.c (dump_memory_report): Dump alias and pta stats.
1891 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1892 (vn_reference_eq): Likewise.
1893 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1894 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1895 valueize_vuses): Remove.
1896 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1897 (get_def_ref_stmt_vuse): ... this.
1898 (vn_reference_lookup_2): New function.
1899 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1900 walking equivalent vuses. Simplify.
1901 (vn_reference_lookup): Likewise.
1902 (vn_reference_insert): Likewise.
1903 (vn_reference_insert_pieces): Likewise.
1904 (visit_reference_op_call): Simplify.
1905 (visit_reference_op_load): Likewise.
1906 (visit_reference_op_store): Likewise.
1907 (init_scc_vn): Remove shared_lookup_vuses initialization.
1908 (free_scc_vn): Remove shared_lookup_vuses freeing.
1909 (sort_vuses, sort_vuses_heap): Remove.
1910 (get_ref_from_reference_ops): Export.
1911 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1912 vector with single vuse pointer.
1913 (vn_reference_lookup_pieces, vn_reference_lookup,
1914 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1915 (shared_vuses_from_stmt): Remove.
1916 (get_ref_from_reference_ops): Declare.
1917 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1918 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1919 memory-tag related code.
1920 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1921 (likely_value): Add comment, skip static-chain of call statements.
1922 (surely_varying_stmt_p): Adjust.
1923 (gimplify_and_update_call_from_tree): Likewise.
1924 (execute_fold_all_builtins): Do not rebuild alias info.
1925 (gimplify_and_update_call_from_tree): Properly update VOPs.
1926 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1927 (copy_ref_info): Remove memory-tag related code.
1928 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1929 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1930 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1932 * tree-ssa-dom.c (gimple_p): Remove typedef.
1933 (eliminate_redundant_computations): Adjust.
1934 (record_equivalences_from_stmt): Likewise.
1935 (avail_expr_hash): Likewise.
1936 (avail_expr_eq): Likewise.
1937 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1938 (stmt_makes_single_load): Likewise.
1939 (stmt_makes_single_store): Likewise.
1940 * tree-ssa-alias.c: Rewrite completely.
1941 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1942 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1943 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1944 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1945 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1946 Remove public functions.
1947 (pass_reset_cc_flags): Remove.
1948 (pass_build_alias): Move ...
1949 * tree-ssa-structalias.c (pass_build_alias): ... here.
1950 * tree-ssa-alias.c (may_be_aliased): Move ...
1951 * tree-flow-inline.h (may_be_aliased): ... here.
1952 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1953 count_uses_and_derefs): Move ...
1954 * gimple.c: ... here.
1955 * gimple.h (count_uses_and_derefs): Declare.
1956 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1957 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1958 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1959 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1960 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1961 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1962 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1964 * tree-dfa.c (refs_may_alias_p): Move ...
1965 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1966 * tree-ssa-alias.h: New file.
1967 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1968 (statement_sink_location): Likewise.
1969 * opts.c (decode_options): Do not adjust max-aliased-vops or
1970 avg-aliased-vops values.
1971 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1972 (TV_CALL_CLOBBER): Likewise.
1973 (TV_FLOW_SENSITIVE): Likewise.
1974 (TV_FLOW_INSENSITIVE): Likewise.
1975 (TV_MEMORY_PARTITIONING): Likewise.
1976 (TV_ALIAS_STMT_WALK): New timevar.
1977 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1978 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1979 (get_address_description): Remove memory-tag related code.
1980 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1981 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1982 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1983 and immediate uses in statements. Document.
1984 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1985 (dump_symbols): Remove.
1986 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1987 * alias.c (get_deref_alias_set): New function split out from ...
1988 (get_alias_set): ... here.
1989 * alias.h (get_deref_alias_set): Declare.
1990 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1991 type parameter. Remove restrict pointer handling. Create a
1992 ref-all pointer in case type-based alias sets do not conflict.
1993 (vect_analyze_data_refs): Remove SMT related code.
1994 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1995 (vectorizable_load): Likewise.
1996 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1997 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1998 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1999 Ignore vops and SMTs.
2000 (dr_analyze_alias): Likewise..
2001 (free_data_ref): Likewise.
2002 (create_data_ref): Likewise.
2003 (analyze_all_data_dependences): Likewise.
2004 (get_references_in_stmt): Adjust.
2005 * tree-flow-inline.h (gimple_aliases_computed_p,
2006 gimple_addressable_vars, gimple_call_clobbered_vars,
2007 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
2008 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
2009 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
2010 gimple_mem_ref_stats): Remove.
2011 (gimple_vop): New function.
2012 (op_iter_next_use): Remove vuses and mayuses cases.
2013 (op_iter_next_def): Remove vdefs case.
2014 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
2015 (clear_and_done_ssa_iter): Do not set removed fields.
2016 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
2017 Assert we are not iterating over vuses or vdefs if not also
2018 iterating over uses or defs.
2019 (op_iter_init_use): Likewise.
2020 (op_iter_init_def): Likewise.
2021 (op_iter_next_vdef): Remove.
2022 (op_iter_next_mustdef): Likewise.
2023 (op_iter_init_vdef): Likewise.
2024 (compare_ssa_operands_equal): Likewise.
2025 (link_use_stmts_after): Handle vuse operand.
2026 (is_call_used): Use is_call_clobbered.
2027 (is_call_clobbered): Global variables are always call clobbered,
2028 query the call-clobbers bitmap.
2029 (mark_call_clobbered): Ignore global variables.
2030 (clear_call_clobbered): Likewise.
2031 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2032 virtual operands sanity check.
2033 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2035 (TARGET_MEM_REF): Remove TMR_TAG operand.
2036 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2037 Remove call-clobber related code.
2038 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
2039 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2040 partitions or escape reason.
2041 (get_single_def_stmt, get_single_def_stmt_from_phi,
2042 get_single_def_stmt_with_phi): Remove.
2043 (dump_referenced_vars): Tidy.
2044 (get_ref_base_and_extent): Allow bare decls.
2045 (collect_dfa_stats): Adjust.
2046 * graphite.c (rename_variables_in_stmt): Adjust.
2047 (graphite_copy_stmts_from_block): Likewise.
2048 (translate_clast): Likewise.
2049 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2051 (translate_vuse_through_block): Use the oracle.
2052 (phi_translate_1): Adjust.
2053 (value_dies_in_block_x): Use the oracle. Cache the outcome
2055 (valid_in_sets): Check if the VUSE for
2056 a REFERENCE is available.
2057 (eliminate): Do not remove stmts during elimination,
2058 instead queue and remove them afterwards.
2059 (do_pre): Do not rebuild alias info.
2060 (pass_pre): Run TODO_rebuild_alias before PRE.
2061 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2062 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2063 (mark_all_v_defs_stmt): Remove.
2064 (mark_all_v_defs_seq): Adjust.
2065 (sra_replace): Likewise.
2066 (scalarize_use): Likewise.
2067 (scalarize_copy): Likewise.
2068 (scalarize_init): Likewise.
2069 (scalarize_ldst): Likewise.
2070 (todoflags): Remove.
2071 (tree_sra): Do not rebuild alias info.
2072 (tree_sra_early): Adjust.
2073 (pass_sra): Run TODO_update_address_taken before SRA.
2074 * tree-predcom.c (set_alias_info): Remove.
2075 (prepare_initializers_chain): Do not call it.
2076 (mark_virtual_ops_for_renaming): Adjust.
2077 (mark_virtual_ops_for_renaming_list): Remove.
2078 (initialize_root_vars): Adjust.
2079 (initialize_root_vars_lm): Likewise.
2080 (prepare_initializers_chain): Likewise.
2081 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2082 (may_propagate_copy_into_stmt): Likewise.
2083 (merge_alias_info): Do nothing for now.
2084 (propagate_tree_value_into_stmt): Adjust.
2085 (stmt_may_generate_copy): Likewise.
2086 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2087 not mark symbols for renaming.
2088 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2089 with the same statement, make sure to update the new pointed-to one.
2090 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2091 call statements, do not mark symbols for renaming.
2092 (mark_operand_necessary): Dump something.
2093 (ref_may_be_aliased): New function.
2094 (mark_aliased_reaching_defs_necessary_1): New helper function.
2095 (mark_aliased_reaching_defs_necessary): Likewise.
2096 (mark_all_reaching_defs_necessary_1): Likewise.
2097 (mark_all_reaching_defs_necessary): Likewise.
2098 (propagate_necessity): Do not process virtual PHIs. For
2099 non-aliased loads mark all reaching definitions as necessary.
2100 For aliased loads and stores mark the immediate dominating
2101 aliased clobbers as necessary.
2102 (visited): New global static.
2103 (perform_tree_ssa_dce): Free visited bitmap after propagating
2105 (remove_dead_phis): Perform simple dead virtual PHI removal.
2106 (remove_dead_stmt): Properly unlink virtual operands when
2108 (eliminate_unnecessary_stmts): Schedule PHI removal after
2110 * tree-ssa-ter.c (is_replaceable_p): Adjust.
2111 (process_replaceable): Likewise.
2112 (find_replaceable_in_bb): Likewise.
2113 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2114 based on the single gimple vop.
2115 (verify_flow_insensitive_alias_info): Remove.
2116 (verify_flow_sensitive_alias_info): Likewise.
2117 (verify_call_clobbering): Likewise.
2118 (verify_memory_partitions): Likewise.
2119 (verify_alias_info): Likewise.
2120 (verify_ssa): Adjust..
2121 (execute_update_addresses_taken): Export. Update SSA
2122 manually. Optimize only when optimizing. Use a local bitmap.
2123 (pass_update_address_taken): Remove TODO_update_ssa, add
2125 (pass_update_address_taken): Just use TODO_update_address_taken.
2126 (init_tree_ssa): Do not initialize addressable_vars.
2127 (verify_ssa): Verify new VUSE / VDEF properties.
2128 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2129 Do not call verify_alias_info.
2130 (delete_tree_ssa): Clear the VUSE, VDEF operands.
2131 Do not free the loaded and stored syms bitmaps. Reset the escaped
2132 and callused solutions. Do not free addressable_vars.
2133 Remove memory-tag related code.
2134 (warn_uninitialized_var): Aliases are always available.
2135 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2136 * lambda-code.c (can_put_in_inner_loop): Adjust.
2137 (can_put_after_inner_loop): Likewise.
2138 (perfect_nestify): Likewise.
2139 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2140 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2141 (vectorizable_conversion): Do not mark symbols for renaming.
2142 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2143 (expand_call_inline): Unlink the calls virtual operands before
2145 (tree_function_versioning): Do not call update_ssa if we are not
2146 updating clones. Simplify.
2147 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2148 (propagate_with_phi): Likewise..
2149 * tree-outof-ssa.c (create_temp): Remove memory tag and call
2150 clobber code. Assert we are not aliased or global.
2151 * tree-flow.h: Include tree-ssa-alias.h
2152 (enum escape_type): Remove.
2153 (struct mem_sym_stats_d): Likewise.
2154 (struct mem_ref_stats_d): Likewise.
2155 (struct gimple_df): Add vop member. Remove global_var,
2156 call_clobbered_vars, call_used_vars, addressable_vars,
2157 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
2158 escaped and callused members.
2159 (struct ptr_info_def): Remove all members, add points-to solution
2161 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2162 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2163 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2164 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2165 (tree-ssa-alias.o): Likewise.
2166 (toplev.o): Add tree-ssa-alias.h
2167 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2168 * gimple.c (gimple_set_bb): Fix off-by-one error.
2169 (is_gimple_reg): Do not handle memory tags.
2170 (gimple_copy): Also copy virtual operands.
2171 Delay updating the statement. Do not reset loaded and stored syms.
2172 (gimple_set_stored_syms): Remove.
2173 (gimple_set_loaded_syms): Likewise.
2174 (gimple_call_copy_skip_args): Copy the virtual operands
2175 and mark the new statement modified.
2176 * tree-ssa-structalias.c (may_alias_p): Remove.
2177 (set_uids_in_ptset): Take the alias set to prune with as
2178 parameter. Fold in the alias test of may_alias_p.
2179 (compute_points_to_sets): Compute whether a ptr is dereferenced
2181 (process_constraint): Deal with &ANYTHING on the lhs, reject all
2182 other ADDRESSOF constraints on the lhs.
2183 (get_constraint_for_component_ref): Assert that we don't get
2184 ADDRESSOF constraints from the base of the reference.
2185 Properly generate UNKNOWN_OFFSET for DEREF if needed.
2186 (struct variable_info): Remove collapsed_to member.
2187 (get_varinfo_fc): Remove.
2188 (new_var_info): Do not set collapsed_to.
2189 (dump_constraint): Do not follow cycles.
2190 (dump_constraint_graph): Likewise.
2191 (build_pred_graph): Likewise.
2192 (build_succ_graph): Likewise.
2193 (rewrite_constraints): Likewise.
2194 (do_simple_structure_copy): Remove.
2195 (do_rhs_deref_structure_copy): Remove.
2196 (do_lhs_deref_structure_copy): Remove.
2197 (collapse_rest_of_var): Remove.
2198 (do_structure_copy): Re-implement.
2199 (pta_stats): New global variable.
2200 (dump_pta_stats): New function.
2201 (struct constraint_expr): Make offset signed.
2202 (UNKNOWN_OFFSET): Define special value.
2203 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2204 (solution_set_expand): New helper function split out from ...
2205 (do_sd_constraint): ... here.
2206 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
2207 (do_ds_constraint): Likewise.
2208 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
2209 and CALLUSED = *CALLUSED.
2210 (set_union_with_increment): Make inc argument signed.
2211 (type_safe): Remove.
2212 (get_constraint_for_ptr_offset): Handle unknown and negative
2214 (first_vi_for_offset): Handle offsets before start. Bail
2215 out early for offsets beyond the variable extent.
2216 (first_or_preceding_vi_for_offset): New function.
2217 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2218 Together with ESCAPED = *ESCAPED this properly computes reachability.
2219 (find_what_var_points_to): New function.
2220 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2221 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2222 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2223 pt_solutions_intersect): New functions.
2224 (compute_call_used_vars): Remove.
2225 (compute_may_aliases): New main entry into PTA computation.
2226 * gimple.h (gimple_p): New typedef.
2227 (struct gimple_statement_base): Remove references_memory_p.
2228 (struct gimple_statement_with_memory_ops_base): Remove
2229 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
2231 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2232 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2233 gimple_set_references_memory): Remove.
2234 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2235 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2237 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2238 (verify_expr): Allow RESULT_DECL.
2239 (gimple_duplicate_bb): Do not copy virtual operands.
2240 (gimple_duplicate_sese_region): Adjust.
2241 (gimple_duplicate_sese_tail): Likewise.
2242 (mark_virtual_ops_in_region): Remove.
2243 (move_sese_region_to_fn): Do not call it.
2244 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2245 and pass_simple_dse.
2246 (execute_function_todo): Handle TODO_update_address_taken,
2247 call execute_update_addresses_taken for TODO_rebuild_alias.
2248 (execute_todo): Adjust.
2249 (execute_one_pass): Init dump files early.
2250 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2252 (create_general_new_stmt): Clear vops.
2253 * tree-ssa-reassoc.c (get_rank): Adjust.
2254 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2255 symbols for renaming.
2256 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2257 (PARAM_AVG_ALIASED_VOPS): Likewise.
2258 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2259 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2260 * tree-ssa-operands.c: Simplify for new virtual operand representation.
2261 (operand_build_cmp, copy_virtual_operands,
2262 create_ssa_artificial_load_stmt, add_to_addressable_set,
2263 gimple_add_to_addresses_taken): Remove public functions.
2264 (unlink_stmt_vdef): New function.
2266 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2268 * config.gcc (powerpc-*-linux*): Merge variants.
2270 2009-04-02 Chao-ying Fu <fu@mips.com>
2271 James Grosbach <james.grosbach@microchip.com>
2273 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2274 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2276 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2277 keep_interrupts_masked_p, use_debug_exception_return_p.
2278 (mips_attribute_table): Add interrupt, use_shadow_register_set,
2279 keep_interrupts_masked, use_debug_exception_return.
2280 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2281 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2283 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2284 (mips_print_operand): Process COP0 registers to print $0 .. $31
2285 correctly for GAS to process.
2286 (mips_interrupt_extra_call_saved_reg_p): New function.
2287 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2289 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2290 (mips_compute_frame_info): Add supports for interrupt context that
2291 includes doubleword accumulators and COP0 registers.
2292 (mips_for_each_saved_acc): New function.
2293 (mips_for_each_saved_gpr_and_fpr): Change the function name from
2294 mips_for_each_saved_reg.
2295 (mips_save_reg): Save accumulators.
2296 (mips_kernel_reg_p): A new for_each_rtx callback.
2297 (mips_expand_prologue): Support interrupt handlers.
2298 (mips_restore_reg): Restore accumulators.
2299 (mips_expand_epilogue): Support interrupt handlers.
2300 (mips_can_use_return_insn): Return false for interrupt handlers.
2301 (mips_epilogue_uses): New function.
2302 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2303 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2304 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2305 cop0_move): New instructions.
2306 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2307 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2309 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2311 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2312 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2313 interrupt handlers, we use K0 as the temporary register.
2314 (EPILOGUE_USES): Change to a function call.
2315 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2316 handlers, we use K0 as the temporary register.
2318 * doc/extend.texi (Function Attributes): Document interrupt,
2319 use_shadow_register_set, keep_interrupts_masked,
2320 use_debug_exception_return for MIPS attributes.
2322 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2324 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2325 Remove a number of t-files from tmake_file.
2326 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2327 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2328 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2329 target_prototype, not TARGET_PROTOTYPE.
2330 (LINK_OS_GNU_SPEC): Define.
2331 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2332 and darwin-ldoubdle.c.
2334 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
2337 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2338 (cpp_options): Ditto.
2339 (default_compilers): Ditto.
2340 (display_help): Ditto.
2341 (process_command): Ditto.
2343 (set_input): Use lbasename instead of duplicate code.
2344 (save_temps_prefix): New static for -save-temps=obj.
2345 (save_temps_length): Ditto.
2347 * doc/invoke.texi (-save-temps=obj): Document new variant to
2350 2009-04-02 Jeff Law <law@redhat.com>
2352 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2355 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2357 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2358 * configure: Regenerated.
2360 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2362 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2363 share the argument list.
2365 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2369 2009-02-12 Diego Novillo <dnovillo@google.com>
2371 * varpool.c (debug_varpool): New.
2372 * cgraph.h (debug_varpool): Declare.
2374 2009-04-02 Jan Hubicka <jh@suse.cz>
2376 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2379 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2381 * config/i386/i386.c (ix86_abi): Move initialization to ...
2382 (override_options): Here.
2384 2009-04-02 Christian Bruel <christian.bruel@st.com>
2386 * config/sh/sh.c (sh_dwarf_register_span): New function.
2387 (TARGET_DWARF_REGISTER_SPAN): Define.
2388 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2390 2009-04-02 Ira Rosen <irar@il.ibm.com>
2392 PR tree-optimization/39595
2393 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
2394 interleaved loads group is not greater than the SLP group size.
2396 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2398 * builtins.c (is_builtin_name): New.
2399 (called_as_built_in): Use is_builtin_name.
2400 * tree.h (is_builtin_name): New.
2401 * varasm.c (incorporeal_function_p): Use is_builtin_name
2403 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
2405 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2407 2009-04-02 Dodji Seketeli <dodji@redhat.com>
2410 * c-decl.c (clone_underlying_type): Move this ...
2411 * c-common.c (set_underlying_type): ... here.
2412 Also, make sure the function properly sets TYPE_STUB_DECL() on
2413 the newly created typedef variant type.
2414 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2415 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2418 2009-04-02 Richard Guenther <rguenther@suse.de>
2420 PR tree-optimization/37221
2421 * tree-flow.h (degenerate_phi_result): Declare.
2422 * tree-ssa-dom.c (degenerate_phi_result): Export.
2423 * tree-scalar-evolution.c (analyze_initial_condition): If
2424 the initial condition is defined by a degenerate PHI node
2425 use the degenerate value.
2427 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
2429 PR rtl-optimization/39588
2430 * combine.c (merge_outer_ops): Do not set the constant when this
2432 (simplify_shift_const_1): Do not modify it either in this case.
2434 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
2436 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2437 tuning is deprecated if -mtune value is set to an Itanium1 variant.
2439 2009-04-01 Janis Johnson <janis187@us.ibm.com>
2442 * c-lex.c (interpret_float): Default (no suffix) is double.
2444 2009-04-1 Xinliang David Li <davidxl@google.com>
2446 * config/i386/i386.c (legitimate_constant_p): Recognize
2447 all one vector constant.
2449 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2451 * gcc/config/vax/vax.c: Add #includes to silence warnings.
2452 Change #include order to silence two warnings.
2454 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2456 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2457 (ASM_SPEC): Pass -k to the assembler for PIC code.
2459 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2461 * gcc/config.gcc: Add vax-*-linux* to the switch.
2462 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2463 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2465 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2467 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2468 Use predicate macros instead of GET_CODE() == foo.
2469 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2470 ashlsi3, rotrsi3, <unnamed>): Likewise.
2472 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2474 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2475 jbbccihi, jbbccisi): Remova trailing whitespace.
2476 * gcc/config/vax/constraints.md: Likewise.
2477 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2478 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2479 * gcc/config/vax/predicates.md: Likewise.
2480 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2481 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2482 * gcc/config/vax/vax.h: Likewise.
2483 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2485 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2487 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2488 (indirectable_address_p, adjacent_operands_p): Add spaces around
2490 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2492 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2494 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2495 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2496 index_term_p, reg_plus_index_p, legitimate_address_p,
2497 vax_mode_dependent_address_p): Update comments to match functions
2498 modified by the recent int->bool conversion.
2500 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2502 * gcc/config/vax/builtins.md: Update copyright message.
2503 * gcc/config/vax/constraints.md: Likewise.
2504 * gcc/config/vax/netbsd-elf.h: Likewise.
2505 * gcc/config/vax/predicates.md: Likewise.
2506 * gcc/config/vax/vax-protos.h: Likewise.
2507 * gcc/config/vax/vax.c: Likewise.
2508 * gcc/config/vax/vax.h: Likewise.
2509 * gcc/config/vax/vax.md: Likewise.
2510 * gcc/config/vax/vax.opt: Likewise.
2512 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2514 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2515 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2516 * gcc/config/vax/constraints.md (B, R): Likewise.
2517 * gcc/config/vax/predicates.md (external_memory_operand,
2518 nonimmediate_addsub_di_operand): Likewise.
2519 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2520 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2521 untyped_call): Likewise.
2523 2009-04-01 Matt Thomas <matt@3am-software.com>
2525 * config/vax/predicates.md: New file.
2526 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2527 external_const_operand, nonsymbolic_operand, external_memory_operand,
2528 indirect_memory_operand, indexed_memory_operand,
2529 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2530 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2532 * config/vax/constraints.md: New file.
2533 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2535 * config/vax/builtins.md: New file.
2536 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2537 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2539 * config/vax/vax.opt (mqmath): Add option.
2540 * config/vax/vax.md (isfx): Extend with DI.
2541 (VAXintQH, VAXintQHSD): Define.
2542 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2543 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2544 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2545 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2546 (movdi): Update constraints and use vax_output_int_move().
2547 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2548 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2549 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2550 nonlocal_goto): New.
2551 (mov<mode>): Extend accepted operand types.
2552 (subdi3_old): Rename from subdi3, change update constraints and use
2553 a new implementation.
2554 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2555 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2556 MOVE_RATIO, CLEAR_RATIO): Define.
2557 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2558 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2559 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2560 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2561 (split_quadword_operands): Make static and really allow variable
2563 (print_operand_address): Update for PIC generation.
2564 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2565 indexable_address_p, fixup_mathdi_operand,
2566 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2567 (vax_float_literal, legitimate_constant_p,
2568 indirectable_constant_address_p, index_term_p,
2569 reg_plus_index_p): Return bool instead of int.
2570 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2572 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2574 (vax_output_conditional_branch): Indent.
2575 (legitimate_constant_address_p, indirectable_constant_address_p,
2576 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2577 vax_mode_dependent_address_p): Return bool instead of int, update for
2579 * config/vax/vax-protos.h (legitimate_constant_address_p,
2580 legitimate_constant_p, legitimate_address_p,
2581 vax_mode_dependent_address_p): Change declaration to bool.
2582 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2583 vax_expand_addsub_di_operands, vax_output_int_subtract,
2584 vax_output_movmemsi): Declare.
2585 (split_quadword_operands, vax_float_literal): Delete declaration.
2586 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2587 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2588 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2589 ASM_OUTPUT_DWARF_PCREL): Define.
2590 (ASM_SPEC): Change definition to allow PIC generation.
2592 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2594 * doc/sourcebuild.texi: Update front-end requirements.
2596 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2599 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2600 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2601 (booldi3_internal3): Use boolean_or_operator instead of
2604 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2607 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2608 declarator whose size is not an integer constant expression but
2609 folds to an integer constant, then treat it as a constant
2612 2009-04-01 Richard Guenther <rguenther@suse.de>
2614 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2615 i * 4 + 2 to (i * 2 + 1) * 2.
2617 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2620 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2621 return if c_parser_asm_string_literal returned NULL.
2623 2009-04-01 Nick Clifton <nickc@redhat.com>
2625 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2627 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2628 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2629 other typedefs to avoid conflicts with libgcc2.c. Define labels
2630 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2632 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2633 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2636 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2638 * varasm.c (default_function_rodata_section): Declare DOT as
2641 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2642 Andrey Galkin <agalkin@hypercom.com>
2645 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2646 Make object_name unique for each process.
2648 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2651 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2652 addressable variables in the parallel that could go out of scope while
2653 running queued tasks.
2655 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2657 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2658 (CASE_VALUES_THRESHOLD): Redefine.
2659 * config/avr/avr.c (avr_override_options): Remove initialization of
2660 avr_case_values_threshold variable.
2661 (avr_case_values_threshold): Remove variable. Add new function.
2662 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2663 * config/avr/avr.opt (mno-tablejump): Remove option.
2664 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2666 2009-04-01 DJ Delorie <dj@redhat.com>
2668 * varasm.c (default_function_rodata_section): Don't assume
2669 anything about where the first '.' in the section name is.
2671 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2673 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2674 rs6000_emit_stack_tie.
2676 2009-03-31 Ian Lance Taylor <iant@google.com>
2678 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2679 gimple_code with GIMPLE_RESX, not RESX.
2681 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2683 * c-common.c (c_get_ident): New.
2684 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2686 2009-04-01 Ben Elliston <bje@au.ibm.com>
2688 * config/rs6000/sysv4.opt (msdata): Improve option description.
2690 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2692 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2693 (divdf3_internal_lat): Remove.
2694 (divxf3_internal_lat): Remove.
2695 (divxf3_internal_thr): Remove.
2696 (divxf): Use divxf3_internal.
2697 * config/ia64/div.md (divsf3_internal_lat): New.
2698 (divdf3_internal_lat): New.
2699 (divxf3_internal): New.
2701 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2704 * Makefile.in (USE_GCC_STDINT): Define.
2705 (stmp-int-hdrs): Install stdint.h if applicable.
2706 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2708 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2709 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2710 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2711 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2712 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2713 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2714 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2715 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2716 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2717 (c_common_nodes_and_builtins): Initialize
2718 underlying_wchar_type_node. Do not initialize
2719 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2720 nodes for new types.
2721 (c_stddef_cpp_builtins): Define macros for new types.
2722 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2724 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2725 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2726 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2727 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2728 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2729 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2730 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2731 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2732 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2733 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2734 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2735 int16_type_node, int32_type_node, int64_type_node,
2736 uint8_type_node, uint16_type_node, c_uint32_type_node,
2737 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2738 int_least32_type_node, int_least64_type_node,
2739 uint_least8_type_node, uint_least16_type_node,
2740 uint_least32_type_node, uint_least64_type_node,
2741 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2742 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2743 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2744 uintptr_type_node): Define.
2745 * c-cppbuiltin.c (builtin_define_constants,
2746 builtin_define_type_minmax): New.
2747 (builtin_define_stdint_macros): Define more macros.
2748 (c_cpp_builtins): Define more limit macros.
2750 (builtin_define_type_max): Define in terms of
2751 builtin_define_type_minmax. Remove is_long parameter. All
2753 * config.gcc (use_gcc_stdint): Define.
2754 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2755 Add newlib-stdint.h for generic targets.
2756 * config/glibc-stdint.h, config/newlib-stdint.h,
2757 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2758 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2759 * config/score/score.h (UINTPTR_TYPE): Define.
2760 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2761 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2762 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2763 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2764 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2765 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2766 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2767 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2768 * config/spu/spu.h (STDINT_LONG32): Define.
2769 * configure.ac (use_gcc_stdint): Substitute.
2770 * configure: Regenerate.
2771 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2772 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2773 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2774 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2775 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2776 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2777 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2778 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2779 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2780 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2781 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2782 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2783 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2784 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2785 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2786 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2787 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2788 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2789 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2790 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2791 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2792 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2793 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2794 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2795 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2796 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2797 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2798 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2799 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2801 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2803 * loop-iv.c (suitable_set_for_replacement): Renamed from
2804 simplify_using_assignment; changed to return bool and to accept new
2805 args DEST and SRC. Return true iff we find a source/destination pair
2806 that can be used to make a replacement, and fill SRC and DEST if so.
2807 Remove arg ALTERED. Don't deal with altered regs here. All callers
2809 (simplify_using_initial_values): Deal with altered regs here and track
2810 more precisely the effect they have on the validity of our expression.
2812 * loop-iv.c (simplify_using_condition): A condition of the form
2813 (EQ REG CONST) can be used to simply make a substitution.
2814 (simplify_using_initial_values): Keep track of conditions we have seen
2815 and keep using them to simplify new expressions, while applying the
2816 same substitutions to them as to the expression.
2818 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2819 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2822 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2823 changed. Use this when trying to improve the upper bound.
2824 Generate the comparison by using simplify_gen_relational.
2826 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2828 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2830 (simplify_using_assignment, simplify_using_initial_values): Call
2831 replace_in_expr to make replacements. Call replace_single_def_regs
2832 once on the initial version of the expression.
2834 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2837 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2839 2009-03-31 Richard Guenther <rguenther@suse.de>
2842 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2843 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2845 2009-03-31 Richard Guenther <rguenther@suse.de>
2847 * tree.h (div_if_zero_remainder): Declare.
2848 * fold-const.c (div_if_zero_remainder): Export.
2849 * tree-ssa-forwprop.c
2850 (forward_propagate_addr_into_variable_array_index): Handle
2851 constant array index addition outside of the variable index.
2853 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2856 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2857 define_splits, floatunssi<mode>2): Require x87 conversions from
2858 DImode to be permitted.
2860 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2862 PR preprocessor/15638
2863 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2865 2009-03-31 Richard Guenther <rguenther@suse.de>
2869 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2870 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2871 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2872 a separate statement.
2873 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2874 (lookup_tmp_var): Likewise.
2875 (is_gimple_formal_tmp_or_call_rhs): Remove.
2876 (is_gimple_reg_or_call_rhs): Rename to ...
2877 (is_gimple_reg_rhs_or_call): ... this.
2878 (is_gimple_mem_or_call_rhs): Rename to ...
2879 (is_gimple_mem_rhs_or_call): ... this.
2880 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2881 DECL_GIMPLE_REG_P only if is_formal is true.
2882 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2883 for non-proper post-modify expression gimplification.
2884 (gimplify_self_mod_expr): For post-modify expressions gimplify
2885 the lvalue to a minimal lvalue.
2886 (rhs_predicate_for): Remove formal temp case.
2887 (gimplify_modify_expr_rhs): Likewise.
2888 (gimplify_addr_expr): Use is_gimple_reg.
2889 (gimplify_expr): Remove formal temp cases.
2890 (gimple_regimplify_operands): Likewise.
2891 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2892 and FILTER_EXPR like constants.
2893 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2895 (is_gimple_formal_tmp_rhs): Remove.
2896 (is_gimple_reg_rhs): Remove special casing.
2897 (is_gimple_mem_rhs): Fix.
2898 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2899 (is_gimple_formal_tmp_var): Remove.
2900 (is_gimple_formal_tmp_reg): Likewise.
2901 (is_gimple_min_lval): Allow invariant component ref parts.
2902 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2903 is_gimple_formal_tmp_reg): Remove declarations.
2904 * tree-cfg.c (verify_expr): Verify that variables with address
2905 taken do not have DECL_GIMPLE_REG_P set.
2906 * tree-mudflap.c (mf_build_check_statement_for): Use
2907 force_gimple_operand instead of gimplify_expr.
2909 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2911 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2912 schedulable rows to compute_split_row.
2914 2009-03-31 Ben Elliston <bje@au.ibm.com>
2917 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2920 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2922 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2923 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2924 * configure: Regenerate.
2925 * config.in: Regenerate.
2926 * config/rs6000/rs6000.opt (mtls-markers): Add.
2927 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2928 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2929 (tls_ld_aix, tls_ld_sysv): Likewise.
2930 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2931 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2933 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2935 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2937 2009-03-30 Jan Hubicka <jh@suse.cz>
2939 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2941 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2942 detection and label handling.
2944 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2946 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2947 left_conflicts_size.
2948 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2949 ALLOCNO_LEFT_CONFLICTS_SIZE.
2951 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2952 remove_allocno_from_bucket_and_push,
2953 allocno_spill_priority_compare, push_allocnos_to_stack,
2954 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2955 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2956 (setup_allocno_left_conflicts_num): Ditto. Rename to
2957 setup_allocno_left_conflicts_size.
2958 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2959 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2960 setup_allocno_left_conflicts_size instead of
2961 setup_allocno_left_conflicts_num.
2963 * ira-build.c (ira_create_allocno): Use
2964 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2965 ALLOCNO_LEFT_CONFLICTS_NUM.
2967 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2969 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2970 instead of DF_LR_OUT.
2972 * ira-lives.c (process_bb_node_lives): Ditto.
2974 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2975 instead of DF_LR_{OUT,IN}.
2977 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2979 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2981 2009-03-30 Jan Hubicka <jh@suse.cz>
2983 * except.c (label_to_region_map): Fix thinko.
2985 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2988 * tree.h (tree_find_value): New declaration.
2989 * tree.c (tree_find_value): New function.
2990 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2992 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2995 * c-decl.c (struct c_binding): Add locus field.
2996 (bind): Add locus argument, set locus field from it.
2997 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2998 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2999 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
3000 implicitly_declare, undeclared_variable, lookup_label,
3001 declare_label, c_make_fname_decl, c_builtin_function,
3002 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
3005 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
3008 * config/i386/i386.c (classify_argument): Check total size of
3011 2009-03-30 Martin Jambor <mjambor@suse.cz>
3013 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
3014 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
3015 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
3018 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
3019 seen_variable_array_ref while also traversing a union.
3021 * tree-inline.c (optimize_inline_calls): Do not call
3022 cgraph_node_remove_callees.
3023 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3024 (pass_remove_cgraph_callee_edges): New variable.
3025 * passes.c (init_optimization_passes): Add
3026 pass_remove_cgraph_callee_edges after early inlining and before all
3027 late intraprocedural passes.
3029 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3031 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3033 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3036 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3038 * combine.c (simplify_comparison): Use have_insn_for.
3039 * dojump.c (do_jump): Likewise.
3041 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3043 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3044 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3045 sparc_compare_op0 like sparc_compare_emitted used to be handled.
3046 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3047 instead of sparc_compare_emitted.
3048 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3049 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3050 instead of sparc_compare_emitted.
3052 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3054 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3055 enter/exit cfglayout mode.
3056 (pass_partition_block): Require it.
3057 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3058 (combine_instructions): Track basic blocks instead of labels.
3059 (update_cfg_for_uncondjump): New.
3060 (try_combine): Use it. Update jumps after rescanning.
3061 (pass_combine): Require PROP_cfglayout.
3062 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3064 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3066 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3067 Provide/destroy PROP_cfglayout respectively.
3068 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3069 * tree-pass.h (PROP_cfglayout): New.
3071 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3073 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3074 fold_convert_const_fixed_from_fixed,
3075 fold_convert_const_fixed_from_int,
3076 fold_convert_const_fixed_from_real, fold_negate_const): Do not
3077 set TREE_CONSTANT_OVERFLOW.
3078 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3079 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3081 2009-03-30 Ira Rosen <irar@il.ibm.com>
3083 * tree-vect-loop-manip.c: New file.
3084 * tree-vectorizer.c: Update documentation and included files.
3085 (vect_loop_location): Make extern.
3086 (rename_use_op): Move to tree-vect-loop-manip.c
3087 (rename_variables_in_bb, rename_variables_in_loop,
3088 slpeel_update_phis_for_duplicate_loop,
3089 slpeel_update_phi_nodes_for_guard1,
3090 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3091 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3092 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3093 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
3094 find_loop_location): Likewise.
3095 (new_stmt_vec_info): Move to tree-vect-stmts.c.
3096 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3097 get_vectype_for_scalar_type, vect_is_simple_use,
3098 supportable_widening_operation, supportable_narrowing_operation):
3100 (bb_in_loop_p): Move to tree-vect-loop.c.
3101 (new_loop_vec_info, destroy_loop_vec_info,
3102 reduction_code_for_scalar_code, report_vect_op,
3103 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3104 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3105 (vect_supportable_dr_alignment): Likewise.
3106 * tree-vectorizer.h (tree-data-ref.h): Include.
3107 (vect_loop_location): Declare.
3108 Reorganize function declarations according to the new file structure.
3109 * tree-vect-loop.c: New file.
3110 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
3111 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3112 * tree-vect-data-refs.c: New file.
3113 * tree-vect-patterns.c (timevar.h): Don't include.
3114 * tree-vect-stmts.c: New file.
3115 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
3116 tree-vect-slp.c, tree-vect-loop.c.
3117 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
3118 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
3119 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3120 (tree-vect-analyze.o): Remove.
3121 (tree-vect-transform.o): Likewise.
3122 (tree-vect-data-refs.o): Add rule.
3123 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
3124 tree-vect-slp.o): Likewise.
3125 (tree-vect-patterns.o): Remove redundant dependencies.
3126 (tree-vectorizer.o): Likewise.
3127 * tree-vect-slp.c: New file.
3129 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3131 * optc-gen.awk: Warn if an option flag has multiple different
3134 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
3136 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3137 -floop-block): Document dependences on PPL, CLooG and Graphite.
3139 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3141 PR rtl-optimization/323
3142 * c-common.c (c_fully_fold, convert_and_check,
3143 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3144 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3145 * c-common.def (EXCESS_PRECISION_EXPR): New.
3146 * c-cppbuiltin.c (builtin_define_float_constants): Define
3147 constants with enough digits for long double.
3148 * c-lex.c (interpret_float): Interpret constant with excess
3149 precision where appropriate.
3150 * c-opts.c (c_common_post_options): Set
3151 flag_excess_precision_cmdline. Give an error for
3152 -fexcess-precision=standard for C++ for processors where the
3153 option is significant.
3154 * c-parser.c (c_parser_conditional_expression): Handle excess
3155 precision in condition.
3156 * c-typeck.c (convert_arguments): Handle arguments with excess
3158 (build_unary_op): Move excess precision outside operation.
3159 (build_conditional_expr): Likewise.
3160 (build_compound_expr): Likewise.
3161 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3162 (build_modify_expr): Handle excess precision in RHS.
3163 (convert_for_assignment): Handle excess precision in converted
3165 (digest_init, output_init_element, process_init_element): Handle
3166 excess precision in initializer.
3167 (c_finish_return): Handle excess precision in return value.
3168 (build_binary_op): Handle excess precision in operands and add
3169 excess precision as needed for operation.
3170 * common.opt (-fexcess-precision=): New option.
3171 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3172 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3173 For standard excess precision, output explicit conversion to and
3174 truncation from XFmode.
3175 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3176 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3177 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3178 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3179 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3180 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3181 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3182 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3183 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3184 define_splits, sqrt<mode>2): Disable where appropriate for
3185 standard excess precision.
3186 * convert.c (convert_to_real): Do not shorten arithmetic to type
3187 for which excess precision would be used.
3188 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3189 * doc/invoke.texi (-fexcess-precision=): Document option.
3190 (-mfpmath=): Correct index entry.
3191 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3192 flag_excess_precision): New.
3193 * langhooks.c (lhd_post_options): Set
3194 flag_excess_precision_cmdline.
3195 * opts.c (common_handle_option): Handle -fexcess-precision=.
3196 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3197 init_excess_precision): New.
3198 (lang_dependent_init_target): Call init_excess_precision.
3199 * tree.c (excess_precision_type): New.
3200 * tree.h (excess_precision_type): Declare.
3202 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3205 * c-typeck.c (build_component_ref): Do not copy qualifiers from
3206 non-lvalue to component.
3208 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3210 PR preprocessor/34695
3211 * Makefile.in (c-opts.o): Depend on c-tree.h.
3212 * c-common.c: Move down include of diagnostic.h.
3213 (done_lexing, c_cpp_error): New.
3214 * c-common.h (done_lexing): Declare.
3215 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3217 * c-opts.c: Include c-tree.h.
3218 (c_common_init_options): Set preprocessor error callback.
3219 (c_common_handle_option): Do not set preprocessor
3220 inhibit_warnings, warnings_are_errors, warn_system_headers,
3221 pedantic_errors or inhibit_warnings flags.
3222 (c_common_post_options): Do not check cpp_errors (parse_in).
3223 (c_common_finish): Do not output dependencies if there were
3224 errors. Do not check return value of cpp_finish.
3225 * c-ppoutput.c (pp_file_change): Set input_location.
3226 * c-tree.h (c_cpp_error): Declare.
3227 * diagnostic.c (diagnostic_set_info_translated): Also initialize
3229 (diagnostic_build_prefix): Check override_column.
3230 * diagnostic.h (diagnostic_info): Add override_column field.
3231 (diagnostic_override_column): Define.
3233 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
3235 * c-common.c (c_expand_expr, c_staticp): Remove.
3236 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3237 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3238 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3239 * c-gimplify.c (gimplify_compound_literal_expr,
3240 optimize_compound_literals_in_ctor): Remove.
3241 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3242 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3243 * c-semantics.c (emit_local_var): Remove.
3245 * langhooks-def.h (lhd_expand_expr): Remove.
3246 * langhooks.c (lhd_expand_expr): Remove.
3247 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3249 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3250 handling from c-semantics.c; don't call into langhook.
3251 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3252 * gimplify.c (gimplify_compound_literal_expr,
3253 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3254 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3255 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3256 as was done in c-gimplify.c.
3257 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3258 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3259 Move from c-common.h.
3260 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3262 * tree.c (staticp): Do not call langhook.
3263 * langhooks.c (lhd_staticp): Delete.
3264 * langhooks-def.h (lhd_staticp): Delete prototype.
3265 (LANG_HOOKS_STATICP): Delete.
3266 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3268 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3269 instead of DECL_STMTs.
3271 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3279 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3281 (fold_call_expr): Return a NOP_EXPR from folding rather than the
3282 contained expression.
3283 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3284 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
3285 conditional expressions for C.
3286 (decl_constant_value_for_optimization): Move from
3287 decl_constant_value_for_broken_optimization in c-typeck.c. Check
3288 whether optimizing and that the expression is a VAR_DECL not of
3289 array type instead of doing such checks in the caller. Do not
3290 check pedantic. Call gcc_unreachable for C++.
3291 * c-common.def (C_MAYBE_CONST_EXPR): New.
3292 * c-common.h (c_fully_fold, c_save_expr,
3293 decl_constant_value_for_optimization): New prototypes.
3294 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3295 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3296 EXPR_INT_CONST_OPERANDS): Define.
3297 * c-convert.c (convert): Strip nops from expression.
3298 * c-decl.c (groktypename): Take extra parameters expr and
3299 expr_const_operands. Update call to grokdeclarator.
3300 (start_decl): Update call to grokdeclarator. Add statement for
3301 expressions used in type of decl.
3302 (grokparm): Update call to grokdeclarator.
3303 (push_parm_decl): Update call to grokdeclarator.
3304 (build_compound_literal): Add parameter non_const and build a
3305 C_MAYBE_COSNT_EXPR if applicable.
3306 (grokdeclarator): Take extra parameters expr and
3307 expr_const_operands. Track expressions used in declaration
3308 specifiers and declarators. Fold array sizes and track whether
3309 they are constant expressions and whether they are integer
3310 constant expressions.
3311 (parser_xref_tag): Set expr and expr_const_operands fields in
3313 (grokfield): Update call to grokdeclarator.
3314 (start_function): Update call to grokdeclarator.
3315 (build_null_declspecs): Set expr and expr_const_operands fields in
3317 (declspecs_add_type): Handle expressions in typeof specifiers.
3318 * c-parser.c (c_parser_declspecs): Set expr and
3319 expr_const_operands fields for declaration specifiers.
3320 (c_parser_enum_specifier): Likewise.
3321 (c_parser_struct_or_union_specifier): Likewise.
3322 (c_parser_typeof_specifier): Likewise. Update call to
3323 groktypename. Fold expression as needed. Return expressions with
3324 type instead of adding statements.
3325 (c_parser_attributes): Update calls to c_parser_expr_list.
3326 (c_parser_statement_after_labels): Fold expression before passing
3327 to objc_build_throw_stmt.
3328 (c_parser_condition): Fold expression.
3329 (c_parser_asm_operands): Fold expression.
3330 (c_parser_conditional_expression): Use c_save_expr. Update call
3331 to build_conditional_expr.
3332 (c_parser_alignof_expression): Update call to groktypename.
3333 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3334 original_code. Fold expression argument of va_arg. Create
3335 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3336 argument to va_arg. Update calls to groktypename. Fold array
3337 index for offsetof. Verify that first argument to
3338 __builtin_choose_expr has integer type.
3339 (c_parser_postfix_expression_after_paren_type): Update calls to
3340 groktypename and build_compound_literal. Handle expressions with
3341 side effects in type name.
3342 (c_parser_postfix_expression_after_primary): Update call to
3343 c_parser_expr_list. Set original_code for calls to
3344 __builtin_constant_p.
3345 (c_parser_expr_list): Take extra parameter fold_p. Fold
3346 expressions if requested.
3347 (c_parser_objc_type_name): Update call to groktypename.
3348 (c_parser_objc_synchronized_statement): Fold expression.
3349 (c_parser_objc_receiver): Fold expression.
3350 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3351 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3352 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3353 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3354 (struct c_typespec): Add elements expr and expr_const_operands.
3355 (struct c_declspecs): Add elements expr and expr_const_operands.
3356 (groktypename, build_conditional_expr, build_compound_literal):
3358 (in_late_binary_op): Declare.
3359 * c-typeck.c (note_integer_operands): New function.
3360 (in_late_binary_op): New variable.
3361 (decl_constant_value_for_broken_optimization): Move to c-common.c
3362 and rename to decl_constant_value_for_optimization.
3363 (default_function_array_conversion): Do not strip nops.
3364 (default_conversion): Do not call
3365 decl_constant_value_for_broken_optimization.
3366 (build_array_ref): Do not fold result.
3367 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
3368 result when operand is a VLA.
3369 (c_expr_sizeof_type): Update call to groktypename. Handle
3370 expressions included in type name. Use C_MAYBE_CONST_EXPR for
3371 result when operand names a VLA type.
3372 (build_function_call): Update call to build_compound_literal.
3373 Only fold result for calls to __builtin_* functions. Strip
3374 NOP_EXPR from INTEGER_CST returned from such functions. Fold
3375 the function designator.
3376 (convert_arguments): Fold arguments. Update call to
3377 convert_for_assignment.
3378 (build_unary_op): Handle increment and decrement of
3379 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
3380 decrement earlier. Fold operand of increment and decrement.
3381 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
3382 built for integer operand. Wrap returns that are INTEGER_CSTs
3383 without being integer constant expressions or that have integer
3384 constant operands without being INTEGER_CSTs.
3385 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3386 (build_conditional_expr): Add operand ifexp_bcp. Track whether
3387 result is an integer constant expression or can be used in
3388 unevaluated parts of one and avoid folding and wrap as
3389 appropriate. Fold operands before possibly doing -Wsign-compare
3391 (build_compound_expr): Wrap result for C99 if operands can be used
3392 in integer constant expressions.
3393 (build_c_cast): Update call to digest_init. Do not ignore
3394 overflow from casting floating-point constants to integers. Wrap
3395 results that could be confused with integer constant expressions,
3396 null pointer constants or floating-point constants.
3397 (c_cast_expr): Update call to groktypename. Handle expressions
3398 included in type name.
3399 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
3400 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
3401 Update calls to convert_for_assignment.
3402 (convert_for_assignment): Take new parameter
3403 null_pointer_constant. Do not strip nops or call
3404 decl_constant_value_for_broken_optimization. Set
3405 in_late_binary_op for conversions to boolean.
3406 (store_init_value): Update call to digest_init.
3407 (digest_init): Take new parameter null_pointer_constant. Do not
3408 call decl_constant_value_for_broken_optimization. pedwarn for
3409 initializers not constant expressions. Update calls to
3410 convert_for_assignment.
3411 (constructor_nonconst): New.
3412 (struct constructor_stack): Add nonconst element.
3413 (really_start_incremental_init, push_init_level, pop_init_level):
3414 Handle constructor_nonconst and nonconst element.
3415 (set_init_index): Call constant_expression_warning for array
3417 (output_init_element): Fold value. Set constructor_nonconst as
3418 applicable. pedwarn for initializers not constant expressions.
3419 Update call to digest_init. Call constant_expression_warning
3420 where constant initializers are required.
3421 (process_init_element): Use c_save_expr.
3422 (c_finish_goto_ptr): Fold expression.
3423 (c_finish_return): Fold return value. Update call to
3424 convert_for_assignment.
3425 (c_start_case): Fold switch expression.
3426 (c_process_expr_stmt): Fold expression.
3427 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3428 ensure statement expression is not evaluated in constant expression.
3429 (build_binary_op): Track whether results are integer constant
3430 expressions or may occur in such, disable folding and wrap results
3431 as applicable. Fold operands for -Wsign-compare warnings unless
3433 (c_objc_common_truthvalue_conversion): Handle results folded to
3434 integer constants that are not integer constant expressions.
3435 * doc/extend.texi: Document when typeof operands are evaluated,
3436 that condition of __builtin_choose_expr is an integer constant
3437 expression, and more about use of __builtin_constant_p in
3440 2009-03-29 Richard Guenther <rguenther@suse.de>
3442 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3443 propagate addresses of array references.
3445 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
3447 * regmove.c (perhaps_ends_bb_p): Remove.
3448 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
3449 from INSN and check that the main loop stays within that basic block.
3450 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3451 (regmove_forward_pass): Split out from regmove_optimize. Use
3452 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3453 (regmove_backward_pass): Split out from regmove_optimize. Use
3454 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3455 (regmove_optimize): Simplify.
3457 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3460 * config/i386/i386.c (classify_argument): Ignore flexible array
3461 member in struct and warn ABI change.
3463 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3465 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3467 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3468 (ix86_adjust_cost): Updated.
3470 2009-03-29 Jan Hubicka <jh@suse.cz>
3473 * tree-pass.h (pass_cleanup_eh): New function.
3474 (remove_unreachable_regions): Break code handling RTL
3475 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3476 that can not be reached by runtime.
3477 (can_be_reached_by_runtime): New function.
3478 (label_to_region_map): New function.
3479 (num_eh_regions): New function.
3480 (rtl_remove_unreachable_regions): New function.
3481 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3482 (remove_eh_region): New function.
3483 * except.h: Include sbitmap and vecprim.
3484 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3485 num_eh_regions): Declare.
3486 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3487 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3488 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3489 (tree_empty_eh_handler_p): New function.
3490 (cleanup_empty_eh): New function.
3491 (cleanup_eh): New function.
3492 (pass_cleanup_eh): New function.
3494 2009-03-29 Jan Hubicka <jh@suse.cz>
3496 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3497 for removed regions.
3499 2009-03-29 Jan Hubicka <jh@suse.cz>
3501 * except.c (dump_eh_tree): Dump all datastructures.
3503 2009-03-29 Jan Hubicka <jh@suse.cz>
3505 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3506 (duplicate_eh_regions_1): Likewise.
3507 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3508 vector; call EH verification.
3509 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3510 Be ready for region being removed.
3512 2009-03-29 Jan Hubicka <jh@suse.cz>
3514 * bitmap.c (bitmap_last_set_bit): New function.
3515 * bitmap.h (bitmap_last_set_bit): Declare.
3517 2009-03-29 David Ayers <ayers@fsfe.org>
3520 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3521 by calling objc_compare_types and surpress warnings about
3522 incompatible C pointers that are compatible ObjC pointers.
3524 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3526 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3527 call initialize_inline_failed.
3528 (initialize_inline_failed): Move it from here ...
3529 * cgraph.c (initialize_inline_failed): ... to here.
3530 (cgraph_create_edge): Call initialize_inline_failed rather than
3531 setting inline_failed directly.
3533 2009-03-29 Ben Elliston <bje@au.ibm.com>
3536 * sysv4.opt (msdata): Improve comment.
3537 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3538 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3540 2009-03-29 Ben Elliston <bje@au.ibm.com>
3543 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3544 load and store attributes.
3546 2009-03-29 Ben Elliston <bje@au.ibm.com>
3548 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3549 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3550 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3551 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3552 __builtin_infq and __builtin_huge_valq.
3554 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3556 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3558 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3559 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3561 2009-03-28 Xinliang David Li <davidxl@google.com>
3563 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3564 (do_dbg_cnt): New function.
3566 2009-03-28 Jan Hubicka <jh@suse.cz>
3568 Merge from pretty-ipa:
3570 2009-03-27 Jan Hubicka <jh@suse.cz>
3572 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3573 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3574 * passes.c (function_called_by_processed_nodes_p): New.
3575 * ipa-pure-const.c (check_call): Fix handling of operands.
3576 (analyze_function): Dump debug output for skipped bodies.
3577 (local_pure_const): Use function_called_by_processed_nodes_p.
3578 * dwarf2out.c (reference_to_unused): Use output.
3579 * passes.c (do_per_function_toporder): Likewise.
3581 2008-11-12 Jan Hubicka <jh@suse.cz>
3583 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3584 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3585 state_set_in_source enum
3586 (check_decl): Ignore memory tags; do not set fake looping flags;
3588 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3589 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3590 (check_call, analyze_function): Rewrite.
3592 (add_new_function): Update call of analyze_function.
3593 (generate_summary): Add call of analyze_function.
3594 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3595 (local_pure_const): New function.
3596 (pass_local_pure_const): New pass.
3597 * ipa-inline.c (inline_transform): Set after_inlining.
3598 * tree-eh.c (stmt_can_throw_external): New.
3599 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3600 work with aliasing built.
3601 * tree-flow.h (stmt_can_throw_external): New.
3602 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3603 and local pure/const pass in early and late optimization queue.
3605 2009-03-28 Martin Jambor <mjambor@suse.cz>
3607 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3609 (fold_binary): Allow function decl aligment consideration is the
3610 second argument is integer constant one.
3611 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3612 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3613 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3615 2009-03-28 Jan Hubicka <jh@suse.cz>
3617 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3618 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3619 * function.h (rtl_data): Add nothrow flag.
3620 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3621 set DECL_NOTHROW for AVAILABLE functions.
3623 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3625 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3626 following vector keyword has expansion starting with pixel or bool
3627 keyword, expand vector to __vector and pixel or bool to __pixel or
3631 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3632 warn_if_disallowed_function_p): Removed.
3633 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3634 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3635 warning_if_disallowed_function_p.
3636 * flags.h (warn_if_disallowed_function_p,
3637 warn_disallowed_functions): Removed.
3638 * common.opt (Wdisallowed-function-list=): Removed.
3639 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3641 2009-03-28 Richard Guenther <rguenther@suse.de>
3643 PR tree-optimization/38723
3644 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3647 2009-03-28 Jan Hubicka <jh@suse.cz>
3649 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3650 test introduced by my previous patch.
3652 2009-03-28 Richard Guenther <rguenther@suse.de>
3654 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3655 the PHIs value undefined.
3657 2009-03-28 Jan Hubicka <jh@suse.cz>
3659 * tree-pass.h (pass_fixup_cfg): New pass.
3660 * ipa-inline.c (inline_transform): Set
3661 always_inline_functions_inlined/after_inlining.
3662 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3663 (pass_fixup_cfg): New pass.
3664 * passes.c (init_optimization_passes): Add fixup_cfg.
3666 2009-03-28 Richard Guenther <rguenther@suse.de>
3668 PR tree-optimization/38458
3669 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3670 argument use the arguments copy-of value.
3672 2009-03-28 Richard Guenther <rguenther@suse.de>
3674 PR tree-optimization/38180
3675 * tree-ssa-ccp.c (get_default_value): Simplify.
3676 (likely_value): Likewise.
3677 (surely_varying_stmt_p): Properly handle VOP case.
3678 (ccp_initialize): Likewise.
3679 (ccp_fold): Handle propagating through *&.
3680 (fold_const_aggregate_ref): Also handle decls.
3682 2009-03-28 Jan Hubicka <jh@suse.cz>
3684 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3685 * cgraph.h (cgraph_node): Likewise.
3686 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3687 (cgraph_reset_node): Use process flag.
3688 (cgraph_mark_functions_to_output): Likewise.
3689 (cgraph_expand_function): Likewise.
3690 (cgraph_expand_all_functions): Likewise.
3691 (cgraph_output_in_order): Likewise.
3692 * dwarf2out.c (reference_to_unused): Likewise.
3693 * passes.c do_per_function_toporder): Likewise.
3695 2009-03-28 Jan Hubicka <jh@suse.cz>
3697 Bring from lto-branch:
3699 2008-09-03 Doug Kwan <dougkwan@google.com>
3701 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3702 enums instead of reason strings.
3703 * cgraph.c (cgraph_create_edge): Same.
3704 (cgraph_inline_failed_string): New function.
3705 * cgraph.h (cgraph_inline_failed_t): New enum type.
3706 (cgraph_inline_failed_string): New prototype.
3707 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3708 char pointer to cgraph_inline_failed_t.
3709 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3710 (cgraph_default_inline_p): Ditto.
3711 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3712 to cgraph_inline_failed_t pointer.
3713 * cif-code.def: New file.
3714 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3716 (cgraph_check_inline_limits): Change type of REASON to pointer to
3717 cgraph_inline_failed_t. Replace reason strings with enums.
3718 (cgraph_default_inline_p): Ditto.
3719 (cgraph_recursive_inlining_p): Ditto.
3720 (update_caller_keys): Change type of FAILED_REASON to
3721 cgraph_inline_failed_t.
3722 (cgraph_set_inline_failed): Change type of REASON to pointer to
3723 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3724 convert enums to strings for text output.
3725 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3726 to be of type cgraph_inline_failed_t. Replace reason strings with
3727 enums. Call cgraph_inline_failed_string to covert enums
3728 to strings for text output.
3729 (cgraph_decide_inlining): Replace reason strings with enums.
3730 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3731 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3733 * tree-inline.c (expand_call_inline): Change type of REASON
3734 to cgraph_inline_failed_t. Replace reason strings with enums.
3735 Call cgraph_inline_failed_string for text output.
3736 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3739 2009-03-28 Jan Hubicka <jh@suse.cz>
3741 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3742 cgraph_clone_node): Remove master clone handling.
3743 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3744 * cgraph.h (master_clone): Remove.
3745 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3746 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3747 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3749 2009-03-28 Jan Hubicka <jh@suse.cz>
3751 * cgraph.c (cgraph_function_body_availability): Functions declared
3752 inline are always safe to assume that it is not going to be replaced.
3754 2009-03-28 Richard Guenther <rguenther@suse.de>
3756 PR tree-optimization/38513
3757 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3758 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3759 EXC_PTR_EXPR and FILTER_EXPR.
3760 (get_ref_from_reference_ops): Likewise.
3762 2009-03-28 Richard Guenther <rguenther@suse.de>
3764 PR tree-optimization/38968
3765 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3766 Use FLOOR_MOD_EXPR to compute misalignment.
3768 2009-03-28 Richard Guenther <rguenther@suse.de>
3770 PR tree-optimization/37795
3771 * tree.h (combine_comparisons): Declare.
3772 * fold-const.c (combine_comparisons): Export.
3773 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3775 (ifcombine_iforif): Use combine_comparisons.
3777 2009-03-28 Jan Hubicka <jh@suse.cz>
3779 * tree-eh.c (inlinable_call_p): New function.
3780 (make_eh_edges): Use it.
3781 (verify_eh_edges): Use it.
3782 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3783 * except.c (reachable_next_level): Add inlinable_function argument
3784 (sjlj_find_directly_reachable_regions): Update.
3785 (add_reachable_handler): Do not set saw_any_handlers.
3786 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3787 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3788 Add new inlinable call parameter.
3789 (can_throw_internal, can_throw_external): Update.
3790 * except.h (can_throw_internal_1, can_throw_external_1,
3791 foreach_reachable_handler): Update declaration.
3793 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3795 * config/arm/t-arm-coff, config/h8300/coff.h,
3796 config/i386/i386-aout.h, config/i386/i386-coff.h,
3797 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3798 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3799 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3800 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3801 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3802 sys-types.h: Remove.
3803 * Makefile.in: Remove protoize and fixproto support and references
3805 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3806 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3808 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3809 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3810 unprotoize$(exeext).
3811 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3812 (.PHONY): Don't depend on proto.
3813 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3814 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3815 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3816 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3817 build/gen-protos.o, build/scan.o, xsys-protos.h,
3818 build/fix-header$(build_exeext), build/fix-header.o,
3819 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3820 stmp-install-fixproto): Remove.
3821 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3822 SYSCALLS.c or fixproto files.
3823 (install-common): Don't install protoize.
3824 (install-headers-tar, install-headers-cpio, install-headers-cp):
3825 Don't depend on $(STMP_FIXPROTO).
3826 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3827 install fixproto files or write out fixproto settings.
3828 (uninstall): Don't uninstall protoize.
3829 * config.gcc (use_fixproto): Remove.
3830 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3831 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3832 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3833 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3834 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3835 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3836 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3837 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3838 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3839 * config/t-vxworks (STMP_FIXPROTO): Remove.
3840 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3841 STMP_FIXPROTO): Remove.
3842 * config.in, configure: Regenerate.
3843 * crtstuff.c (gid_t, uid_t): Don't undefine.
3844 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3845 (arm-*-coff, arm-*-aout: Remove target entries.
3846 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3847 Remove mention of AIX 4.1.
3848 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3849 * doc/invoke.texi (Running Protoize): Remove.
3850 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3851 (Protoize Caveats): Remove.
3852 * tsystem.h: Update comments on headers assumed to exist.
3854 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3856 * genautomata.c: Add a new year to the copyright. Add a new
3858 (struct insn_reserv_decl): Add comments for member bypass_list.
3859 (find_bypass): Remove.
3860 (insert_bypass): New.
3861 (process_decls): Use insert_bypass.
3862 (output_internal_insn_latency_func): Output all bypasses with the
3863 same input insn in one switch case.
3865 * rtl.def (define_bypass): Describe bypass choice.
3866 * doc/md.texi (define_bypass): Ditto.
3868 2009-03-27 Richard Guenther <rguenther@suse.de>
3870 * gimplify.c (mark_addressable): Export.
3871 * tree-flow.h (mark_addressable): Declare.
3872 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3873 * tree-ssa.c (verify_phi_args): Verify that address taken
3874 variables have TREE_ADDRESSABLE set.
3876 2009-03-27 Richard Guenther <rguenther@suse.de>
3878 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3879 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3880 Do not mark decls TREE_ADDRESSABLE.
3881 (build_fold_addr_expr): Adjust.
3882 (fold_addr_expr): Remove.
3883 (fold_unary): Use build_fold_addr_expr.
3884 (fold_comparison): Likewise.
3885 (split_address_to_core_and_offset): Likewise.
3886 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3888 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3889 (gimplify_modify_expr_to_memcpy): Mark source and destination
3891 * omp-low.c (create_omp_child_function): Mark the object decl
3893 (lower_rec_input_clauses): Mark the var we take the address of
3895 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3897 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3900 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3901 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3903 2009-03-27 Richard Guenther <rguenther@suse.de>
3905 PR tree-optimization/39120
3906 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3908 (handle_lhs_call): Process return constraints. Add escape
3909 constraints if necessary.
3910 (handle_const_call): Fill out return constraints. Make nested
3911 case more precise. Avoid consttmp if possible.
3912 (handle_pure_call): Fill out return constraints. Avoid
3913 callused if possible.
3914 (find_func_aliases): Simplify call handling.
3916 2009-03-27 Richard Guenther <rguenther@suse.de>
3918 PR tree-optimization/39120
3919 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3920 as a representative.
3921 (solve_graph): Do propagate CALLUSED.
3922 (handle_pure_call): Use a scalar constraint from CALLUSED for
3924 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3927 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3930 * c-common.c (handle_aligned_attribute): Properly check alignment
3931 overflow. Use (1U << i) instead of (1 << i).
3933 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3935 * expr.h (get_mem_align_offset): Updated.
3937 * tree.h (tree_decl_common): Change align to "unsigned int" and
3938 move it before pointer_alias_set.
3940 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3941 Jakub Jelinek <jakub@redhat.com>
3944 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3945 gr_register_operand with gr_reg_or_0_operand.
3946 (cmpxchg_rel_di): Likewise.
3947 (sync_lock_test_and_set<mode>): Likewise.
3949 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3951 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3952 (true_regnum): Likewise.
3954 * rtlanal.c (subreg_info): Moved to ...
3955 * rtl.h (subreg_info): Here. New.
3956 (subreg_get_info): New.
3958 * rtlanal.c (subreg_get_info): Make it extern.
3960 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3963 * config/i386/i386.c (ix86_abi): New.
3964 (override_options): Handle -mabi=.
3965 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3966 (ix86_call_abi_override): Likewise.
3967 (init_cumulative_args): Likewise.
3968 (function_arg_advance): Likewise.
3969 (function_arg_64): Likewise.
3970 (function_arg): Likewise.
3971 (ix86_pass_by_reference): Likewise.
3972 (ix86_function_value_regno_p): Likewise.
3973 (ix86_build_builtin_va_list_abi): Likewise.
3974 (setup_incoming_varargs_64): Likewise.
3975 (is_va_list_char_pointer): Likewise.
3976 (ix86_init_machine_status): Likewise.
3977 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3978 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3979 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3980 (ix86_function_abi): Make it static and return enum calling_abi.
3981 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3983 (ix86_fn_abi_va_list): Updated.
3985 * config/i386/i386.h (ix86_abi): New.
3986 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3987 (CONDITIONAL_REGISTER_USAGE): Likewise.
3988 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3989 (machine_function): Likewise.
3991 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3993 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3994 (STACK_BOUNDARY): Likewise.
3995 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3997 * config/i386/i386.opt (mabi=): New.
3999 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
4000 return enum calling_abi.
4001 (ix86_function_type_abi): Likewise.
4002 (ix86_function_abi): Removed.
4004 * doc/invoke.texi: Document -mabi= option for x86.
4006 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4008 * builtins.c (real_dconstp): Delete.
4009 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
4011 2009-03-27 Dodji Seketeli <dodji@redhat.com>
4012 Jakub Jelinek <jakub@redhat.com>
4015 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
4016 (gen_subprogram_die): When a function is explicit, generate the
4017 DW_AT_explicit attribute.
4018 * langhooks.h (struct lang_hooks_for_decls): Add
4019 function_decl_explicit_p langhook.
4020 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
4021 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4023 2009-03-27 Jakub Jelinek <jakub@redhat.com>
4025 * builtins.c (fold_builtin_memory_op): Optimize memmove
4026 into memcpy if we can prove source and destination don't overlap.
4028 * tree-inline.c: Include gt-tree-inline.h.
4029 (clone_fn_id_num): New variable.
4030 (clone_function_name): New function.
4031 (tree_function_versioning): Use it.
4032 * Makefile.in (GTFILES): Add tree-inline.c.
4034 2009-03-27 Mark Mitchell <mark@codesourcery.com>
4036 * BASE-VER: Change to 4.5.0.
4038 2009-03-27 Xinliang David Li <davidxl@google.com>
4040 PR tree-optimization/39557
4041 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4043 2009-03-27 Xinliang David Li <davidxl@google.com>
4045 PR tree-optimization/39548
4046 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
4049 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
4051 * c-common.c (pointer_int_sum): Use %wd on return from
4054 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
4056 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4057 on return from tree_low_cst.
4059 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
4062 * ginclude/stdarg.h (va_copy): Define also for
4063 __GXX_EXPERIMENTAL_CXX0X__.
4065 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4068 * builtins.h (c_strlen): Do not warn here.
4069 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4070 * c-common.c (pointer_int_sum): Take an explicit location.
4071 Warn about offsets out of bounds.
4072 * c-common.h (pointer_int_sum): Adjust declaration.
4074 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4076 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4079 2009-03-26 Jakub Jelinek <jakub@redhat.com>
4082 * opts.c (warn_if_disallowed_function_p): Don't assume
4083 get_callee_fndecl must return non-NULL.
4085 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
4087 PR rtl-optimization/39522
4088 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4089 when reg_reloaded_valid is set.
4091 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4093 * config/spu/divv2df3.c: New file.
4094 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4095 (DPBIT_FUNCS): Filter out _div_df.
4097 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
4099 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4100 a jump insn, count that jump in the distance to the loop start.
4102 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
4105 * config/sh/sh.c (calc_live_regs): Fix condition for global
4106 registers except PIC_OFFSET_TABLE_REGNUM.
4108 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
4111 * doc/invoke.texi (-mconsole): New.
4115 (-mnop-fun-dllimport): New.
4119 (sub section "i386 and x86-64 Windows Options"): New.
4121 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
4123 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4124 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4126 2009-03-25 Richard Guenther <rguenther@suse.de>
4129 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4132 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
4134 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4135 neither of haifa/selective schedulers are working.
4137 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4139 * doc/invoke.texi (Debugging Options): Fix description of
4140 -fno-merge-debug-strings.
4142 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
4144 * config/cris/libgcc.ver: New version-script.
4145 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4147 * configure.ac <GAS features, nop mnemonic>: Add pattern
4148 crisv32-*-* for "nop".
4149 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4150 * configure: Regenerate.
4152 2009-03-24 Ira Rosen <irar@il.ibm.com>
4154 PR tree-optimization/39529
4155 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4156 mark_sym_for_renaming for the tag copied to the new vector
4159 2009-03-24 Arthur Loiret <aloiret@debian.org>
4161 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4162 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4163 EXTRA_SPEC_FUNCTIONS.
4164 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4165 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4166 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4167 -march and -mtune options.
4169 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
4171 * config/m68k/t-rtems: Add m5329 multilib.
4173 2009-03-24 Dodji Seketeli <dodji@redhat.com>
4174 Jakub Jelinek <jakub@redhat.com>
4177 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4180 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4183 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4184 instead of c_parser_expression_conv, if original_code isn't one of the
4185 4 allowed comparison codes, fail.
4187 2009-03-23 Richard Guenther <rguenther@suse.de>
4189 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4190 * tree.h (struct tree_type): Likewise.
4191 * reload.h (struct insn_chain): Likewise.
4192 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4193 * function.h (struct function): Likewise.
4194 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4196 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4198 PR tree-optimization/39516
4199 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4201 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
4203 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
4204 should be set true if BITS_PER_WORD of target is bigger than 32
4206 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
4208 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4209 Translate -B-options to -rpath-link. Correct existing
4210 rpath-link and conditionalize on !nostdlib.
4212 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4214 * doc/extend.texi (Function Attributes, Variable Attributes):
4216 * doc/invoke.texi (Debugging Options, Optimize Options)
4217 (i386 and x86-64 Options, MCore Options): Likewise.
4219 2009-03-20 Jakub Jelinek <jakub@redhat.com>
4222 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4223 it for block local namespace aliases.
4224 (gen_decl_die): Pass context_die to gen_namespace_die.
4226 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4229 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4230 minimum or maximum value.
4232 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
4234 * reginfo.c (globalize_reg): Recompute derived reg sets.
4236 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
4239 * libgcc2.c (mprotect): Do not use signed arguments for
4240 VirtualProtect, use DWORD arguments. Also fix the 'may
4241 be used uninitialized' warning for the np variable.
4243 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4246 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4247 functions using regparm calling conventions when not optimizing.
4248 (ix86_function_sseregparm): Similarly for sseregparm calling
4251 2009-03-19 Li Feng <nemokingdom@gmail.com>
4254 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4255 dependence if the first conflict is after niter iterations.
4257 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
4260 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4261 functions with dynamic stack-pointer adjustments.
4263 2009-03-19 Ben Elliston <bje@au.ibm.com>
4265 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4266 option; change to -msdata=data.
4268 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4270 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4273 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
4276 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4278 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
4280 * doc/invoke.texi (Code Gen Options): Expand discussion of
4283 2009-03-18 Jakub Jelinek <jakub@redhat.com>
4285 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4286 * matrix-reorg.c (struct matrix_info): Likewise.
4287 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4288 * rtl.h (struct mem_attrs): Likewise.
4289 * df.h (struct df): Likewise.
4290 * tree-data-ref.h (struct data_dependence_relation): Likewise.
4291 * ira-int.h (struct ira_allocno): Likewise.
4292 * df-scan.c (struct df_collection_rec): Likewise.
4293 * ira.c (struct equivalence): Likewise.
4294 * function.c (struct temp_slot): Likewise.
4295 * cfgloop.h (struct loop): Likewise.
4298 * function.c (use_register_for_decl): When not optimizing, disregard
4299 register keyword for variables with types containing methods.
4301 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
4304 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4305 (is_simple_operand): Call contains_component_ref_p before calling data
4306 reference analysis that would fail on COMPONENT_REFs.
4308 * tree-vrp.c (search_for_addr_array): Fix formatting.
4310 2009-03-18 Richard Guenther <rguenther@suse.de>
4312 * tree-vect-transform.c (vect_loop_versioning): Fold the
4313 generated comparisons.
4314 * tree-vectorizer.c (set_prologue_iterations): Likewise.
4315 (slpeel_tree_peel_loop_to_edge): Likewise.
4317 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4320 * opts.c (print_specific_help): In addition to `undocumented',
4321 accept `separate' and `joined' flags if passed alone. Describe
4322 output by the first matched one of those.
4323 (common_handle_option): Skip over empty strings.
4324 * gcc.c (display_help): Fix help string for `--help='.
4325 * doc/invoke.texi (Option Summary, Overall Options): With
4326 `--help=', classes and qualifiers can both be repeated, but
4327 only the latter can be negated. One should not pass only
4328 negated qualifiers. Fix markup and examples.
4331 2008-10-14 Jakub Jelinek <jakub@redhat.com>
4333 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4334 and -fhelp=separate.
4336 2009-03-17 Jing Yu <jingyu@google.com>
4339 * function.h (struct rtl_data): Move is_thunk from here...
4340 (struct function): ...to here.
4341 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4342 * varasm.c (assemble_start_function): Change is_thunk from crtl to
4344 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4346 (alpha_does_function_need_gp, alpha_start_function): Likewise.
4347 (alpha_output_function_end_prologue): Likewise.
4348 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4349 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4350 (rs6000_output_function_epilogue): Likewise.
4351 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4353 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
4356 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4357 from different units in a single alternative.
4358 (*truncdfsf_i387): Ditto.
4359 (*truncxfsf2_mixed): Ditto.
4360 (*truncxfdf2_mixed): Ditto.
4362 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4364 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4365 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4368 * tree-ssa-live.c (remove_unused_locals): Don't remove local
4369 unused non-artificial variables when not optimizing.
4372 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4373 DW_TAG_imported_module even if decl is IMPORTED_DECL with
4374 NAMESPACE_DECL in its DECL_INITIAL.
4377 * optabs.c (set_user_assembler_libfunc): New function.
4378 * expr.h (set_user_assembler_libfunc): New prototype.
4379 * c-common.c: Include libfuncs.h.
4380 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4381 for memcmp, memset, memcpy, memmove and abort.
4382 * Makefile.in (c-common.o): Depend on libfuncs.h.
4385 * dwarf2out.c (gen_inlined_enumeration_type_die,
4386 gen_inlined_structure_type_die, gen_inlined_union_type_die,
4387 gen_tagged_type_instantiation_die): Removed.
4388 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4391 2009-03-17 Janis Johnson <janis187@us.ibm.com>
4394 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4396 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4397 (check-parallel-%): Ditto.
4398 (check-consistency): Ditto.
4400 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
4402 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4403 local variable rhs by NULL_TREE.
4405 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4408 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4410 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4413 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4415 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4418 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4419 for ms->sysv ABI calls only in 64bit mode.
4421 * config/i386/i386.md (untyped_call): Support 32bit.
4423 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
4425 * doc/extend.texi: Replace x86_65 with x86_64.
4427 2009-03-16 Jakub Jelinek <jakub@redhat.com>
4429 PR tree-optimization/39455
4430 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4431 mismatches for POINTER_TYPE_P (type).
4432 (number_of_iterations_le): Likewise.
4434 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4436 * config/picochip/picochip.c: Removed profiling support.
4437 * config/picochip/picochip.md: Removed profiling instruction.
4438 * config/picochip/picochip.h: Removed profiling builtin.
4440 2009-03-16 Joseph Myers <joseph@codesourcery.com>
4442 * doc/install.texi (--with-host-libstdcxx): Document.
4444 2009-03-14 Anatoly Sokolov <aesok@post.ru>
4447 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4448 generate a warning if the function name does not begin with
4449 "__vector" and the function has either the 'signal' or 'interrupt'
4450 attribute, from here to ...
4451 (avr_declare_function_name): ...here. New function.
4452 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4453 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4455 2009-03-14 Jakub Jelinek <jakub@redhat.com>
4458 * cse.c (fold_rtx): Don't modify original const_arg1 when
4459 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4460 separate variable instead.
4461 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4462 from out of range shift counts.
4463 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4465 2008-03-13 Catherine Moore <clm@codesourcery.com>
4467 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4468 diagnostic.h with $(DIAGNOSTIC_H).
4470 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4473 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4475 * config/i386/sync.md (sync_compare_and_swap<mode>,
4476 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4477 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4479 (sync_double_compare_and_swapdi_pic,
4480 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4481 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4483 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4486 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4488 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4491 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4492 (avx_addsubv4df3): Likewise.
4493 (*avx_addsubv4sf3): Likewise.
4494 (sse3_addsubv4sf3): Likewise.
4496 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4499 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4501 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4504 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4505 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4506 registers for allocnos created from user-defined variables.
4508 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4511 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4512 of non-integer mode as well.
4514 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4516 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4517 for functions for which the parameter types are unknown.
4519 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4522 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4523 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4524 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4525 * config/i386/i386.c (ix86_local_alignment): For
4526 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4527 long long variables on the stack to avoid dynamic realignment.
4528 Allow the first argument to be a decl rather than type.
4529 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4531 2009-03-11 Nick Clifton <nickc@redhat.com>
4534 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4536 Add description to mno-lsim option.
4537 * config/mcore/mcore.h: Remove comment about deprecated m4align
4539 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4540 * doc/invoke.texi: Add description of mno-lsim and
4541 mstack-increment options.
4543 * config/fr30/fr30.opt: Document the -mno-lsim option.
4544 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4545 and -mno-lsim options.
4547 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4549 * fold-const.c (fold_comparison): Only call fold_inf_compare
4550 if the mode supports infinities.
4552 2009-03-11 Jason Merrill <jason@redhat.com>
4555 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4556 end already did. Notice GIMPLE_CALL modifications of the result.
4557 Don't copy debug information from an ignored decl or a decl from
4560 2009-03-10 Richard Guenther <rguenther@suse.de>
4561 Nathan Froyd <froydnj@codesourcery.com>
4564 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4565 (__divMODE3): Likewise.
4567 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4569 PR tree-optimization/39394
4570 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4571 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4573 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4575 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4576 inline asms for register asm ("") declarations.
4578 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4580 * fold-const.c (fold_unary): Fix comment.
4582 2009-03-07 Jan Hubicka <jh@suse.cz>
4585 * tree-inline.c (setup_one_parameter): Do replacement of const
4586 argument by constant in SSA form.
4588 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4591 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4592 determine alignment passed to assign_stack_local.
4593 (assign_parms_unsplit_complex): Likewise.
4594 * except.c (sjlj_build_landing_pads): Likewise.
4596 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4599 * tree-flow.h (add_referenced_var): Return bool instead of void.
4600 * tree-dfa.c (add_referenced_var): Return result of
4601 referenced_var_check_and_insert call.
4602 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4603 of referenced_var_check_and_insert.
4606 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4607 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4608 DIE, don't emit it if abstract origin already has it.
4609 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4610 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4612 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4614 * genpreds.c (needs_variable): Fix parentheses at variable name
4616 (write_tm_constrs_h): Indent generated code.
4618 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4620 * doc/extend.texi (Function Attributes): Add documentation
4623 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4626 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4627 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4629 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4631 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4634 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4637 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4638 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4640 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4642 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4643 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4644 constants instead of magic numbers.
4645 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4647 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4648 (x86_64_ms_abi_int_parameter_registers): Ditto.
4649 (x86_64_int_return_registers): Ditto.
4650 (ix86_maybe_switch_abi): Ditto.
4651 (ix86_expand_call): Ditto for clobbered_registers array.
4652 (ix86_hard_regno_mode_ok): Ditto.
4653 (x86_extended_QIreg_mentioned_p): Ditto.
4655 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4657 PR tree-optimization/39349
4658 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4660 * combine.c (gen_lowpart_for_combine): Use omode when generating
4663 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4665 PR rtl-optimization/39235
4666 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4668 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4670 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4672 2009-03-04 Richard Guenther <rguenther@suse.de>
4674 PR tree-optimization/39362
4675 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4676 that occur in abnormal PHIs should be varying.
4678 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4680 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4682 (simple_iv): Take loop as an argument instead of statement.
4683 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4684 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4686 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4688 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4689 * matrix-reorg.c (analyze_transpose): Ditto.
4690 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4691 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4692 * tree-predcom.c (ref_at_iteration): Ditto.
4693 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4695 2009-03-04 Richard Guenther <rguenther@suse.de>
4697 PR tree-optimization/39358
4698 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4699 escaped_id and callused_id.
4700 (solve_graph): Likewise.
4702 2009-03-04 Richard Guenther <rguenther@suse.de>
4704 PR tree-optimization/39339
4705 * tree-sra.c (try_instantiate_multiple_fields): Make it
4706 no longer ICE on the above.
4708 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4710 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4711 that fits within Pmode.
4713 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4716 * tm.texi (LIBCALL_VALUE): Update description.
4718 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4721 * doc/extend.texi (section): Update description.
4723 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4726 * tree-inline.c (remapped_type): New.
4727 (can_be_nonlocal): Call remapped_type instead of remap_type.
4729 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4732 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4733 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4735 2009-03-03 Richard Guenther <rguenther@suse.de>
4738 * tree.c (tree_nonartificial_location): New function.
4739 * tree.h (tree_nonartificial_location): Declare.
4740 * builtins.c (expand_builtin_memory_chk): Provide location
4741 of the call location for artificial function pieces.
4742 (maybe_emit_chk_warning): Likewise.
4743 (maybe_emit_sprintf_chk_warning): Likewise.
4744 (maybe_emit_free_warning): Likewise.
4745 * expr.c (expand_expr_real_1): Likewise.
4747 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4749 PR tree-optimization/39343
4750 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4751 COMPONENT_REF t has ARRAY_TYPE.
4753 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4756 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4757 when the type precision of the induction variable should be
4758 larger than the type precision of nit.
4759 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4760 * graphite.c (graphite_loop_normal_form): Same.
4761 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4763 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4765 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4766 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4767 numbers to describe clobbered registers.
4768 (*call_value_0_rex64_ms_sysv): Ditto.
4769 * config/i386/mmx.md (mmx_emms): Ditto.
4772 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4774 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4777 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4779 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4780 (spu_section_type_flags): New function.
4782 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4784 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4785 reg_class_contents of FLOAT_REGS into a temporary.
4787 2009-03-02 Richard Guenther <rguenther@suse.de>
4788 Ira Rosen <irar@il.ibm.com>
4790 PR tree-optimization/39318
4791 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4792 information to the vectorized statement.
4794 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4796 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4797 variable. Use defined names instead of magic constants for REX SSE
4800 2009-03-01 Richard Guenther <rguenther@suse.de>
4802 PR tree-optimization/39331
4803 * omp-low.c (lower_send_shared_vars): Do not receive new
4804 values for the reference of DECL_BY_REFERENCE parms or results.
4806 2009-03-01 Jan Hubicka <jh@suse.cz>
4809 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4810 BLOCK_NONLOCALIZED_VAR): New macros.
4811 (tree_block): Add nonlocalized_vars.
4812 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4813 gen_decl_die): Add origin argument. Allow generation of die with
4814 origin at hand only.
4815 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4816 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4818 (gen_block_die): Fix checking for unused blocks.
4819 (process_scope_var): Break out from .... ; work with origins only.
4820 (decls_for_scope) ... here; process nonlocalized list.
4821 (dwarf2out_ignore_block): Look for nonlocalized vars.
4822 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4824 (dump_scope_block): Dump them.
4825 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4826 (remap_block): Likewise.
4827 (can_be_nonlocal): New predicate.
4828 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4830 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4832 * configure: Regenerate.
4834 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4836 * optc-gen.awk: No need to duplicate option flags twice.
4837 Reuse help texts for duplicate options which do not have any.
4839 * gcc.c (display_help): Document --version.
4841 * gcc.c (main): If print_help_list and verbose_flag, ensure
4842 driver output comes before subprocess output.
4844 * optc-gen.awk: Assign all remaining fields to help string,
4845 space-separated, for multi-line help in *.opt.
4847 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4848 -Wno-pedantic-ms-format is for MinGW targets only.
4850 * doc/options.texi (Option file format): Fix bad indentation,
4851 restoring dropped sentence.
4853 2009-02-28 Jan Hubicka <jh@suse.cz>
4855 * tree-inline.c (tree_function_versioning): Output debug info.
4857 2009-02-28 Jan Hubicka <jh@suse.cz>
4860 * tree-inline.c (setup_one_parameter): Do not copy propagate
4861 arguments when not optimizing.
4863 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4866 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4867 (avx_addsubv4df3): Likewise.
4868 (*avx_addsubv4sf3): Likewise.
4869 (sse3_addsubv4sf3): Likewise.
4870 (*avx_addsubv2df3): Likewise.
4871 (sse3_addsubv2df3): Likewise.
4872 (avx_unpckhps256): Correct item selectors.
4873 (avx_unpcklps256): Likewise.
4874 (avx_unpckhpd256): Likewise.
4875 (avx_unpcklpd256): Likewise.
4877 2009-02-28 Jan Hubicka <jh@suse.cz>
4879 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4881 (copy_arguments_for_versioning): If var is declared don't declare it.
4882 (tree_function_versioning): First setup substitutions and then copy
4885 2009-02-27 Jan Hubicka <jh@suse.cz>
4888 * cgraph.h (varpool_output_debug_info): Remove.
4889 * cgraphunit.c (varpool_output_debug_info): Remove.
4890 * dwarf2out.c (deferred_locations_struct): New struct
4891 (deferred_locations): New type.
4892 (deferred_locations_list): New static var.
4893 (deffer_location): New function.
4894 (gen_variable_die): Use it.
4895 (decls_for_scope): Output info on local static vars.
4896 (dwarf2out_finish): Process deferred locations.
4897 * varpool.c (varpool_output_debug_info): Remove.
4899 2009-02-27 Jan Hubicka <jh@suse.cz>
4902 * tree.h (TREE_PROTECTED): Fix comment.
4903 (BLOCK_HANDLER_BLOCK): Remove.
4904 (struct tree_block): Remove handler_block add body_block.
4905 (inlined_function_outer_scope_p): New.
4906 (is_body_block): Remove.
4907 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4908 * dwarf2out.c (is_inlined_entry_point): Remove.
4909 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4910 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4912 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4913 * gimplify.c (gimplify_expr): Gimplify body blocks.
4914 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4915 block with multiple subblocks.
4916 (dump_scope_block): Prettier output; dump more flags and info.
4917 (dump_scope_blocks): New.
4918 (remove_unused_locals): Use dump_scope_blocks.
4919 * tree-flow.h (dump_scope_blocks): Declare.
4920 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4921 * stmt.c (is_body_block): Remove.
4922 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4923 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4925 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4928 * graphite.c (graphite_loop_normal_form): Do not call
4929 number_of_iterations_exit from a gcc_assert.
4931 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4933 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4934 jumps if COND is NULL.
4935 (find_cond_jump): New function.
4936 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4937 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4939 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4941 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4942 force_const_mem returns NULL_RTX.
4944 2009-02-26 Jan Hubicka <jh@suse.cz>
4947 * cgraph.h (varpool_output_debug_info): Remove.
4948 * cgraphunit.c (varpool_output_debug_info): Remove.
4949 * dwarf2out.c (deferred_locations_struct): New struct
4950 (deferred_locations): New type.
4951 (deferred_locations_list): New static var.
4952 (deffer_location): New function.
4953 (gen_variable_die): Use it.
4954 (decls_for_scope): Output info on local static vars.
4955 (dwarf2out_finish): Process deferred locations.
4956 * varpool.c (varpool_output_debug_info): Remove.
4958 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4960 PR rtl-optimization/39241
4961 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4962 to subreg_offset_representable_p.
4964 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4966 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4967 execute function prototype. Get f and nregs from max_reg_num
4968 and get_insns. Remove the first backward pass as it's dead,
4969 guard the forward pass by flag_expensive_optimizations.
4970 (rest_of_handle_regmove): Delete.
4971 (pass_regmove): Replace it with regmove_optimize.
4973 2009-02-25 Martin Jambor <mjambor@suse.cz>
4975 PR tree-optimization/39259
4976 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4977 calls_alloca function flags.
4978 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4981 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4983 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4984 flags_set_1_rtx, flags_set_1_set): Delete.
4985 (regmove_optimize): Do not call mark_flags_life_zones.
4987 2009-02-24 Julian Brown <julian@codesourcery.com>
4990 * config/arm/arm.c (require_pic_register): Only set
4991 cfun->machine->pic_reg once per function.
4993 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4995 * doc/invoke.texi (Link Options): Document an easier way to pass
4996 options that take arguments to the GNU linker using -Xlinker and -Wl.
4998 2009-02-24 Steve Ellcey <sje@cup.hp.com>
5001 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
5003 2009-02-24 Richard Guenther <rguenther@suse.de>
5006 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
5008 2009-02-24 Richard Guenther <rguenther@suse.de>
5009 Zdenek Dvorak <ook@ucw.cz>
5011 PR tree-optimization/39233
5012 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
5013 from converting them to a generic type.
5015 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
5017 PR tree-optimization/39260
5018 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
5019 contains a condition with a real type.
5020 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
5022 2009-02-23 Jason Merrill <jason@redhat.com>
5025 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5026 narrowing_initializer_constant_valid_p.
5027 (narrowing_initializer_constant_valid_p): Don't return
5028 null_pointer_node for adding a pointer to itself.
5030 2009-02-23 Jan Hubicka <jh@suse.cz>
5033 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5036 2009-02-23 Jan Hubicka <jh@suse.cz>
5038 PR tree-optimization/37709
5039 * tree.c (block_ultimate_origin): Move here from dwarf2out.
5040 * tree.h (block_ultimate_origin): Declare.
5041 * dwarf2out.c (block_ultimate_origin): Move to tree.c
5042 * tree-ssa-live.c (remove_unused_scope_block_p):
5043 Eliminate blocks containig no instructions nor live variables nor
5045 (dump_scope_block): New function.
5046 (remove_unused_locals): Enable removal of dead blocks by default;
5047 enable dumping at TDF_DETAILS.
5049 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
5051 * config/i386/i386.c (classify_argument): Don't allow COImode
5053 (function_arg_advance_32): Don't allow OImode.
5054 (function_arg_32): Likewise.
5055 (function_value_32): Likewise.
5056 (return_in_memory_32): Likewise.
5057 (function_arg_64): Remove OImode comment.
5059 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
5062 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5063 ix86_expand_vector_set for V4DImode in 64bit mode only.
5064 (ix86_expand_vector_init_one_var): Likewise.
5066 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
5068 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5070 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
5073 * loop-iv.c: Revert last change.
5074 * emit-rtl.c: Likewise.
5076 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
5079 * config/i386/i386.c (type_natural_mode): Remove an extra
5080 space in the warning message.
5081 (function_value_32): Handle 32-byte vector modes.
5082 (return_in_memory_32): Likewise.
5084 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
5086 * loop-iv.c (truncate_value): New function.
5087 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5089 (lowpart_subreg): Move to...
5090 * emit-rtl.c: ...here.
5092 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
5094 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5095 accidental and undocumented change at revision 140860.
5097 2009-02-21 Joseph Myers <joseph@codesourcery.com>
5099 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5100 take gimple_seq * arguments.
5101 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5102 types_compatible_p langhook.
5104 2009-02-20 Mark Mitchell <mark@codesourcery.com>
5105 Joseph Myers <joseph@codesourcery.com>
5107 * config/arm/arm.c (arm_builtin_va_list): New function.
5108 (arm_expand_builtin_va_start): Likewise.
5109 (arm_gimplify_va_arg_expr): Likewise.
5110 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5111 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5112 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5113 (va_list_type): New variable.
5114 (arm_mangle_type): Mangle va_list_type appropriately.
5116 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5119 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5120 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5121 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5122 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5123 parameter to 1000 for -O1 by default.
5124 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5126 * loop-invariant.c: Include params.h.
5127 (move_loop_invariants): Don't call move_single_loop_invariants on
5130 2009-02-20 Jaka Mocnik <jaka@xlab.si>
5132 * calls.c (emit_library_call_value_1): Use slot_offset instead of
5133 offset when calculating bounds for indexing stack_usage_map. Fixes
5134 a buffer overflow with certain target setups.
5136 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5139 * calls.c (expand_call): Clear try_tail_call if caller and callee
5140 disagree in promotion of function return value.
5142 2009-02-19 Jakub Jelinek <jakub@redhat.com>
5145 * c-common.c (c_determine_visibility): If visibility changed and
5146 DECL_RTL has been already set, call make_decl_rtl to update symbol
5149 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
5152 * varasm.c (assemble_variable): Don't check DECL_NAME when
5153 globalizing a variable.
5155 2009-02-19 Joseph Myers <joseph@codesourcery.com>
5158 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5159 expression before any __builtin_trap call.
5160 * c-typeck.c (build_function_call): Convert and check function
5161 arguments before generating a call to a trap. Evaluate the
5162 function arguments before the trap.
5164 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
5167 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5168 (UNSPEC_FXAM_MEM): New unspec.
5169 (fxam<mode>2_i387_with_temp): New insn and split pattern.
5170 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
5171 memory using fxam<mode>2_i387_with_temp to remove excess precision.
5173 2009-02-19 Richard Guenther <rguenther@suse.de>
5175 PR tree-optimization/39207
5176 PR tree-optimization/39074
5177 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5178 storedanything_tree): New.
5179 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
5180 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5181 (build_succ_graph): Add edges from STOREDANYTHING to all
5183 (init_base_vars): Initialize STOREDANYTHING.
5184 (compute_points_to_sets): Free substitution info after
5185 building the succ graph.
5186 (ipa_pta_execute): Likewise.
5188 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5190 (do_ds_constraint): Do not add to special var or non-pointer
5192 (type_could_have_pointers): Split out from ...
5193 (could_have_pointers): ... here. For arrays use the element type.
5194 (create_variable_info_for): Initialize may_have_pointers.
5195 (new_var_info): Likewise.
5196 (handle_lhs_call): Make the HEAP variable unknown-sized.
5197 (intra_create_variable_infos): Use a type with pointers for
5198 PARM_NOALIAS, make it unknown-sized.
5200 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
5203 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5205 2009-02-18 Jason Merrill <jason@redhat.com>
5208 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5209 value if DECL_EXTERNAL.
5210 * tree-sra.c (sra_walk_gimple_assign): Likewise.
5211 * target.h (gcc_target::binds_local_p): Clarify "module".
5212 * tree.h (TREE_PUBLIC): Clarify "module".
5214 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
5217 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5218 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5220 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
5223 * c.opt (Wabi): Support C and ObjC.
5226 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5228 * config/i386/i386.c (classify_argument): Warn once about the ABI
5229 change when passing union with long double.
5231 * doc/invoke.texi: Update -Wabi for warning psABI changes.
5233 2009-02-18 Joseph Myers <joseph@codesourcery.com>
5236 * c-parser.c (c_parser_compound_statement): Always enter and leave
5239 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5242 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5244 2009-02-18 Jakub Jelinek <jakub@redhat.com>
5246 PR tree-optimization/36922
5247 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5248 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5251 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5253 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5256 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5258 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5260 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5262 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5265 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
5266 Richard Sandiford <rdsandiford@googlemail.com>
5268 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5269 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5270 (loongson_biadd): ...this.
5272 2009-02-17 Richard Guenther <rguenther@suse.de>
5274 PR tree-optimization/39202
5275 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5276 a var make sure to follow existing collapses.
5278 2009-02-17 Richard Guenther <rguenther@suse.de>
5281 * langhooks.c (lhd_print_error_function): Check for NULL block.
5283 2009-02-17 Richard Guenther <rguenther@suse.de>
5285 PR tree-optimization/39204
5286 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5289 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
5291 * config/soft-fp/double.h: Update from glibc CVS.
5293 2009-02-17 Richard Guenther <rguenther@suse.de>
5295 PR tree-optimization/39207
5296 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5297 strict-aliasing warnings for pointers pointing to NULL.
5299 2009-02-16 Joseph Myers <joseph@codesourcery.com>
5302 * c-parser.c (c_parser_braced_init): Call pop_init_level when
5303 skipping until next close brace.
5305 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
5308 * config/i386/i386.c (ix86_expand_push): Set memory alignment
5309 to function argument boundary.
5311 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5313 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5314 in the lea_add. Reload eventually constraints it properly.
5315 * config/picochip/constraints.md : Remove the target constraint
5316 "b", since it is not needed anymore.
5318 2009-02-16 Jakub Jelinek <jakub@redhat.com>
5320 * gthr-dce.h: Uglify function parameter and local variable names.
5321 * gthr-gnat.h: Likewise.
5322 * gthr-mipssde.h: Likewise.
5323 * gthr-nks.h: Likewise.
5324 * gthr-posix95.h: Likewise.
5325 * gthr-posix.h: Likewise.
5326 * gthr-rtems.h: Likewise.
5327 * gthr-single.h: Likewise.
5328 * gthr-solaris.h: Likewise.
5329 * gthr-tpf.h: Likewise.
5330 * gthr-vxworks.h: Likewise.
5331 * gthr-win32.h: Likewise.
5333 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
5336 * config/i386/i386.md: Restrict the new peephole2 to move
5337 between MMX/SSE registers.
5339 2009-02-15 Richard Guenther <rguenther@suse.de>
5342 2009-02-13 Richard Guenther <rguenther@suse.de>
5344 * configure.ac: Enable LFS.
5345 * configure: Re-generate.
5346 * config.in: Likewise.
5348 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5350 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5351 spu_srqwbyte, spu_srqwbytebc): Define.
5352 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5353 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5354 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5355 "shrqby_<mode>"): New insn-and-split patterns.
5356 * config/spu/spu.c (expand_builtin_args): Determine and return
5357 number of operands using spu_builtin_description data.
5358 (spu_expand_builtin_1): Use it.
5360 2009-02-13 Steve Ellcey <sje@cup.hp.com>
5363 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5366 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5369 * config/i386/i386.c (override_options): Correct warning
5370 messages for -malign-loops, -malign-jumps and -malign-functions.
5372 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5375 * config/i386/i386.md: Restrict the new peephole2 to move
5376 between the general purpose registers.
5378 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5381 * config/i386/i386.c (type_natural_mode): Add a new argument.
5382 Return the original mode and warn ABI change if vector size is 32byte.
5383 (function_arg_advance): Updated.
5384 (function_arg): Likewise.
5385 (ix86_function_value): Likewise.
5386 (ix86_return_in_memory): Likewise.
5387 (ix86_sol10_return_in_memory): Likewise.
5388 (ix86_gimplify_va_arg): Likewise.
5389 (function_arg_32): Don't warn ABX ABI change here.
5390 (function_arg_64): Likewise.
5392 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
5394 * loop-iv.c (implies_p): In the final case, test that operands 0
5395 of the two comparisons match.
5397 * config/bfin/bfin.c (find_prev_insn_start): New function.
5398 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5399 (find_next_insn_start): Move.
5401 2009-02-13 Richard Guenther <rguenther@suse.de>
5403 * configure.ac: Enable LFS.
5404 * configure: Re-generate.
5405 * config.in: Likewise.
5407 2009-02-13 Joseph Myers <joseph@codesourcery.com>
5410 * c-parser.c (c_parser_parms_list_declarator): Discard pending
5411 sizes on syntax error after some arguments have been parsed.
5413 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5415 * doc/invoke.texi (-fira): Remove.
5417 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5419 * caller-save.c: Replace regclass.c with reginfo.c in comments.
5420 * recog.c: Likewise.
5423 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
5425 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5426 (umul_ppmm): Likewise.
5427 (count_leading_zeros): Likewise.
5428 (count_trailing_zeros): Likewise.
5429 (UMUL_TIME): Likewise.
5431 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5433 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5434 soft-fp/t-softfp to tmake_file.
5436 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5437 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5438 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5439 IA64_BUILTIN_INFQ]: New.
5440 (ia64_init_builtins): Initialize __builtin_infq,
5441 __builtin_fabsq and __builtin_copysignq if not HPUX.
5442 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5443 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5445 * config/ia64/lib1funcs.asm (__divtf3): Define only if
5447 (__fixtfti): Likewise.
5448 (__fixunstfti): Likewise.
5449 (__floattitf): Likewise.
5451 * config/ia64/libgcc-glibc.ver: New.
5452 * config/ia64/t-fprules-softfp: Likewise.
5453 * config/ia64/sfp-machine.h: Likewise.
5455 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5456 (LIBGCC2_TF_CEXT): Likewise.
5457 (TF_SIZE): Likewise.
5458 (TARGET_INIT_LIBFUNCS): Likewise.
5460 * config/ia64/t-glibc (SHLINB_MAPFILES):
5461 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5463 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5465 * config/i386/i386.c (construct_container): Rewrite processing
5466 BLKmode with X86_64_SSE_CLASS.
5468 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5471 * config/i386/i386.md: Replace simplify_replace_rtx with
5472 replace_rtx in the new peephole2.
5474 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5476 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5477 loop unrolling do not happen at -O2.
5479 2009-02-12 Michael Matz <matz@suse.de>
5481 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5483 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5485 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5488 2009-02-12 Ben Elliston <bje@au.ibm.com>
5490 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5491 patterns when updating the back chain. Missed in the 2009-02-10
5494 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5496 * doc/extend.texi (Decimal Floating Types): Update identifier of
5497 draft TR and list of missing support.
5499 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5502 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5503 bit to variable length decl's flags, add it also to its
5504 pointer replacement variable.
5506 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5507 Jakub Jelinek <jakub@redhat.com>
5510 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5511 (memory_blockage): New expander.
5512 (*memory_blockage): New insn pattern.
5513 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5514 instead of general blockage at the end of function prologue when
5515 frame pointer is used to access red zone area. Do not emit blockage
5516 when profiling, it is emitted in generic code.
5517 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5518 function epilogue when frame pointer is used to access red zone area.
5520 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5523 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5524 by arithmetic with memory operands.
5525 * config/i386/predicates.md (commutative_operator): New.
5527 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5529 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5532 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5534 * alias.h (record_alias_subset): Declare.
5535 * alias.c (record_alias_subset): Make global.
5537 2009-02-10 Nick Clifton <nickc@redhat.com>
5539 * tree-parloops.c: Change license to GPLv3.
5540 * ipa-struct-reorg.c: Change license to GPLv3.
5541 * ipa-struct-reorg.h: Change license to GPLv3.
5543 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5546 * c-decl.c (start_struct): Return NULL on error.
5548 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5551 * cfgloopmanip.c (remove_path): Call remove_bbs after
5552 cancel_loop_tree, not before it.
5555 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5556 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5557 VAR_DECLs were seen.
5558 * tree-ssa-live.c (remove_unused_locals): Recompute
5559 cfun->has_local_explicit_reg_vars.
5560 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5561 copies or clearings if cfun->has_local_explicit_reg_vars.
5563 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5566 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5567 of function prologue when frame pointer is used to access
5570 2009-02-10 Richard Guenther <rguenther@suse.de>
5573 * gimplify.c (gimple_regimplify_operands): Always look if
5574 we need to create a temporary.
5576 2009-02-10 Richard Guenther <rguenther@suse.de>
5578 PR tree-optimization/39132
5579 * tree-loop-distribution.c (todo): New global var.
5580 (generate_memset_zero): Trigger TODO_rebuild_alias.
5581 (tree_loop_distribution): Return todo.
5583 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5586 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5587 (x86_64_reg_class_name): Removed.
5588 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5589 first one isn't X86_64_SSE_CLASS or any other ones aren't
5590 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5591 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5592 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5593 and 3 X86_64_SSEUP_CLASS.
5594 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5595 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5597 2009-02-10 Ben Elliston <bje@au.ibm.com>
5599 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5600 form instruction to update the stack back chain word, even if the
5601 user has disabled the generation of update instructions.
5602 (movdi_<mode>_update_stack): New.
5603 (movsi_update_stack): Likewise.
5604 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5605 always use an update form instruction to update the stack back
5608 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5611 * graphite.c (if_region_set_false_region): After moving a region in
5612 the false branch of a condition, remove the empty dummy basic block.
5613 (gloog): Remove wrong fix for PR38953.
5615 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5617 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5618 generation due to implicit sign extension.
5620 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5623 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5624 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5626 2009-02-09 Richard Guenther <rguenther@suse.de>
5629 * convert.c (convert_to_real): Disable (float)fn((double)x)
5630 to fnf(x) conversion if errno differences may occur and
5631 -fmath-errno is set.
5633 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5635 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5636 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5637 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5639 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5642 * c-common.c (handle_alias_attribute): Disallow attribute for
5643 anything not a FUNCTION_DECL or VAR_DECL.
5645 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5648 * real.c (do_compare): Special-case compare of zero against
5649 decimal float value.
5651 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5654 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5655 as indicating flexible array members unless the field itself is
5656 being declarared as the incomplete array.
5658 2009-02-06 Jan Hubicka <jh@suse.cz>
5660 PR tree-optimization/38844
5661 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5664 2009-02-06 Richard Guenther <rguenther@suse.de>
5667 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5668 fork because we may expand it as __gcov_fork.
5670 2009-02-06 Nick Clifton <nickc@redhat.com>
5672 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5674 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5676 PR tree-optimization/35659
5677 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5678 vn_phi_eq): Shortcut if hashcode does not match.
5679 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5681 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5682 and avoid iterative_hash_expr.
5683 (FOR_EACH_VALUE_ID_IN_SET): New.
5684 (value_id_compare): Remove.
5685 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5686 sort expressions by value id.
5688 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5691 * config/sh/predicates.md (general_movsrc_operand): Don't check
5692 the subreg of system registers here.
5694 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5697 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5700 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5702 PR rtl-optimization/39110
5703 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5704 addresses, not aligned ones.
5706 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5707 Richard Guenther <rguenther@suse.de>
5709 PR tree-optimization/39100
5710 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5711 comment says and add edges.
5713 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5716 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5717 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5719 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5721 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5722 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5723 register_bb_in_sese, new_sese, free_sese): Moved.
5724 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5725 outermost_loop_in_scop, build_scop_iteration_domain,
5726 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5727 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5728 Use loop_in_sese_p instead of loop_in_scop_p.
5729 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5730 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5731 (scopdet_basic_block_info): Fix bug in scop detection.
5732 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5733 eq_loop_to_cloog_loop): Remove.
5734 (nb_loops_around_loop_in_scop, nb_loop
5735 ref_nb_loops): Moved here...
5736 * graphite.h (ref_nb_loops): ... from here.
5737 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5738 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5739 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5740 * testsuite/gcc.dg/graphite/scop-19.c: New
5742 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5743 Hans-Peter Nilsson <hp@axis.com>
5745 PR rtl-optimization/37889
5746 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5747 Move offset handling from PLUS to before the switch. Use new
5748 arguments when considering SYMBOL_REFs too.
5749 (rtx_addr_can_trap_p): Pass dummy offset and size.
5750 (enum may_trap_p_flags): Remove.
5751 (may_trap_p_1): Pass size from MEM_SIZE.
5753 PR rtl-optimization/38921
5754 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5755 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5756 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5757 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5759 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5761 AVX Programming Reference (January, 2009)
5762 * config/i386/sse.md (*vpclmulqdq): New.
5764 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5766 PR tree-optimization/38977
5767 PR gcov-profile/38292
5768 * calls.c (special_function_p): Disregard __builtin_ prefix.
5770 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5772 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5773 non-indexable addresses even before reload.
5775 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5778 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5779 as having variable size. Do not give an error for unnamed
5780 parameters with [*] declarators. Give a warning for type names
5781 with [*] declarators and mark them as variable size.
5782 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5783 for sizeof applied to [*] type names.
5785 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5788 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5790 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5792 * gcc.c (process_command): Update copyright notice dates.
5793 * gcov.c (print_version): Likewise.
5794 * gcov-dump.c (print_version): Likewise.
5795 * mips-tfile.c (main): Likewise.
5796 * mips-tdump.c (main): Likewise.
5798 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5801 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5802 for composite type involving a zero-length array type.
5804 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5807 * function.c (match_asm_constraints_1): Skip over
5808 initial optional % in the constraint.
5811 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5812 supported, don't accept FIXED_CSTs.
5813 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5814 and _Sat is used without _Fract/_Accum. Set specs->type to
5815 integer_type_node for cts_fract/cts_accum if fixed point is not
5818 2009-02-02 Catherine Moore <clm@codesourcery.com>
5820 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5822 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5824 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5825 (ABI_HAS_64BIT_SYMBOLS): Use it.
5826 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5828 2009-02-02 Paul Brook <paul@codesourcery.com>
5830 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5832 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5835 * recog.h (asm_operand_ok): Add constraints argument.
5836 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5837 recurse on matching constraint.
5838 (check_asm_operands): Pass constraints as 3rd argument to
5839 asm_operand_ok. Don't look up matching constraint here.
5840 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5843 2009-02-02 Ben Elliston <bje@au.ibm.com>
5845 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5846 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5848 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5850 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5851 information. Remove some obsolete information. Reorganize.
5853 * config/pa/fptr.c: Revert license to GPL 2.
5854 * config/pa/milli64.S: Likewise.
5856 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5859 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5860 LIBRARY name in, instead of hard-coding it.
5861 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5862 extra target make frag to tmake_files according to EH model.
5863 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5864 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5865 frags that define makefile variable EH_MODEL appropriately.
5866 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5867 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5868 to "-sjlj" according to type of EH configured.
5869 (LIBGCC_SONAME): Concatenate it to shared library base name.
5870 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5871 to "_sjlj" according to type of EH configured.
5872 (LIBGCC_SONAME): Concatenate it to shared library base name.
5873 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5874 (SHLIB_LINK): Add missing semicolon to if-else construct.
5875 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5876 string value of "pe_dll" command-line option.
5877 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5878 (SHLIB_SONAME): Use it when overriding t-cygming default.
5879 (SHLIB_IMPLIB): Override t-cygming default.
5880 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5881 string value of "pe_dll" command-line option.
5883 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5886 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5887 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5889 2009-01-31 Richard Guenther <rguenther@suse.de>
5891 PR tree-optimization/38937
5892 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5893 computing the transitive closure.
5895 2009-01-30 Richard Guenther <rguenther@suse.de>
5897 PR tree-optimization/39041
5898 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5899 Propagate variable indices only if the types match for this stmt.
5901 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5904 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5905 inline but never defined.
5907 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5909 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5910 (*insv_h_di_reg_extimm): New insn.
5911 (*insv_l<mode>_reg_extimm): New insn.
5913 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5915 * config/picochip/picochip.c (flag_conserve_stack): set
5916 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5917 fconserve-stack. Reduce call-overhead used by inliner.
5919 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5922 * common.opt (flag_conserve_stack): Initialised to zero.
5924 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5927 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5928 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5931 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5933 * ira-color.c (allocno_reload_assign): Update comments.
5934 * regmove.c (regmove_optimize): Likewise.
5938 2009-01-29 Robert Millan <rmh@aybabtu.com>
5940 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5941 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5942 `MD_UNWIND_SUPPORT'.
5943 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5945 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5947 PR tree-optimization/39007
5948 * tree-loop-distribution.c (generate_builtin): Use
5949 recompute_dominator to compute the immediate dominator of the
5950 basic block just after the loop.
5952 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5954 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5955 (ASM_OUTPUT_DWARF_PCREL): Define.
5957 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5959 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5960 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5961 global. Modify entries about regmove and IRA.
5963 * ra-conflict.c: Remove the file.
5965 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5967 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5968 (pass_regclass_init): Rename to pass_reginfo_init.
5970 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5972 * toplev.h (flag_ira): Remove.
5974 * caller-save.c (setup_save_areas): Remove flag_ira.
5976 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5978 * global.c: Remove the file.
5980 * opts.c (decode_options): Remove flag_ira.
5982 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5984 * regmove.c: Modify file description.
5985 (find_use_as_address, try_auto_increment): Define them only if
5986 AUTO_INC_DEC is defined.
5987 (replacement_quality, replace_in_call_usage, fixup_match_1,
5988 stable_and_no_regs_but_for_p): Remove.
5989 (reg_set_in_bb): Make it static.
5990 (regmove_optimize): Remove flag_ira and code which worked for
5993 * local-alloc.c: Remove the file.
5995 * common.opt (fira): Remove.
5997 * ira.c: Include except.h.
5998 (eliminable_regset): Move from global.c.
5999 (mark_elimination): Ditto. Remove flag_ira.
6000 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
6001 equiv_mem_modified, validate_equiv_mem_from_store,
6002 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
6003 contains_replace_regs, memref_referenced_p, memref_used_between_p,
6004 no_equiv, recorded_label_ref): Move from local-alloc.c.
6005 (update_equiv_regs): Ditto. Make it static.
6006 (print_insn_chain, print_insn_chains): Move it from global.c.
6007 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
6008 (build_insn_chain): Ditto. Make it static.
6009 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
6010 Rename to init_live_subregs.
6011 (gate_ira): Remove flag_ira.
6013 * regclass.c: Rename reginfo.c. Change file description.
6014 (FORBIDDEN_INC_DEC_CLASSES): Remove.
6015 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
6016 (init_reg_sets_1): Remove code for evaluation of
6017 reg_class_superclasses and losing_caller_save_reg_set.
6018 (init_regs): Remove init_reg_autoinc.
6019 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
6020 ok_for_base_p_nonstrict): Remove.
6021 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
6022 (pass_regclass_init): Rename to pass_reginfo_init. Modify
6023 corresponding entries.
6024 (dump_regclass, record_operand_costs, scan_one_insn,
6025 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6026 record_address_regs, auto_inc_dec_reg_p): Remove.
6027 (gt-regclass.h): Rename to gt-reginfo.h.
6029 * rtl.h (dump_global_regs, retry_global_alloc,
6030 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6032 * Makefile.in (RA_H): Remove.
6033 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6034 Rename regclass.o to reginfo.o.
6035 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
6037 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6038 (GTFILES): Rename regclass.c to reginfo.c.
6040 * passes.c (init_optimization_passes): Remove pass_local_alloc and
6041 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
6043 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6044 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6046 (finish_spills): Ditto. Remove code for !flag_ira.
6048 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6051 * doc/invoke.texi (rtl debug options): Complete rewrite.
6052 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6054 * mode-switching.c (pass_mode_switching): Rename pass from
6055 "mode-sw" to "mode_sw".
6056 * except.c (pass_convert_to_eh_ranges): Rename pass from
6057 "eh-ranges" to "eh_ranges".
6058 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6062 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
6063 Alexander Monakov <amonakov@ispras.ru>
6066 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6068 (move_exprs_to_boundary): Change return type and pass through
6069 should_move from move_op. Relax assert. Update usage ...
6070 (schedule_expr_on_boundary): ... here. Use should_move instead of
6072 (move_op_orig_expr_found): Indicate that insn was disconnected from
6074 (code_motion_process_successors): Do not call after_merge_succs
6075 callback if original expression was not found when traversing any of
6077 (code_motion_path_driver): Change return type. Update prototype.
6078 (move_op): Update comment. Add a new parameter (should_move). Update
6079 prototype. Set *should_move based on indication provided by
6080 move_op_orig_expr_found.
6082 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
6084 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6085 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6086 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6087 * config/rs6000/rs6000.c (rs6000_override_options): Default
6088 avoid-indexed-addresses on for Power6, off for everything else.
6089 (avoiding_indexed_address_p): New function.
6090 (rs6000_legitimize_address): Use it.
6091 (rs6000_legitimate_address): Likewise.
6092 * config/rs6000/rs6000.md (movXX_updateX): Likewise
6094 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
6096 PR tree-optimization/38997
6097 * tree-loop-distribution.c (generate_memset_zero): Use
6098 POINTER_PLUS_EXPR for a pointer addition.
6100 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
6102 * config/s390/s390.md (bswap<mode>2): New pattern added.
6104 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6106 * config/s390/s390.md (*tls_load_31): Added type attribute.
6108 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6110 * config/s390/s390.md: Fix a few comments.
6112 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6114 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6115 (*tm<mode>_full): Fixed z10prop attribute.
6116 (*tst<mode>_extimm): Fixed z10prop attribute.
6117 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6118 (*tstqiCCT_cconly): Fixed z10prop attribute.
6119 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6120 (*movsi_larl): Fixed z10prop attribute.
6121 (*movsi_zarch): Fixed z10prop attribute.
6122 (*movsi_eas): Fixed z10prop attribute.
6123 (*movhi): Fixed z10prop attribute.
6124 (*movqi): Fixed z10prop attribute.
6125 (*movstrictqi): Fixed z10prop attribute.
6126 (*mov<mode>): Fixed z10prop attribute.
6127 (*movcc): Fixed z10prop attribute.
6128 (*sethighpartdi_64): Fixed z10prop attribute.
6129 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6130 (*negdi2_sign_cc): Fixed z10prop attribute.
6131 (*negdi2_sign): Fixed z10prop attribute.
6132 (*absdi2_sign_cc): Fixed z10prop attribute.
6133 (*absdi2_sign): Fixed z10prop attribute.
6134 (*negabsdi2_sign_cc): Fixed z10prop attribute.
6135 (*negabsdi2_sign): Fixed z10prop attribute.
6136 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6137 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6138 (doloop_si64): Fixed z10prop attribute.
6139 (doloop_si31): Fixed z10prop attribute.
6140 (doloop_long): Fixed z10prop attribute.
6141 (indirect_jump): Fixed z10prop attribute.
6142 (nop): Fixed z10prop attribute.
6143 (main_base_64): Fixed z10prop attribute.
6144 (reload_base_64): Fixed z10prop attribute.
6146 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6148 PR rtl-optimization/38740
6149 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6151 * config/mips/mips.c (mips_reorg): Likewise.
6153 2009-01-28 Richard Guenther <rguenther@suse.de>
6155 PR tree-optimization/38926
6156 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6157 with the correct value id to a value.
6158 (do_regular_insertion): Use the value number of edoubleprime
6159 for the value number of the expr.
6162 2008-08-21 Richard Guenther <rguenther@suse.de>
6164 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6165 a PHI ask VN if it is already available.
6166 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6167 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6169 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6172 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6173 set to varying whenever max has TREE_OVERFLOW set, similarly
6174 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6176 2009-01-28 Richard Guenther <rguenther@suse.de>
6179 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6180 uninitialized aggregate uses in call arguments.
6182 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
6184 PR tree-optimization/38984
6185 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6186 the nothing_id variable if -fno-delete-null-pointer-checks.
6188 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
6191 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6192 (set_got_offset_rex64): Ditto.
6194 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
6197 * doc/extend.texi: Improve local variable with asm reg.
6199 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
6201 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6202 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6203 was not supplied then set warn_packed_bitfield_compat to the
6205 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6208 2009-01-27 Richard Guenther <rguenther@suse.de>
6210 PR tree-optimization/38503
6211 * cfgexpand.c (expand_gimple_basic_block): Ignore
6212 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6213 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6214 variables that cannot have TBAA applied.
6215 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6218 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
6221 * calls.c (initialize_argument_information): Do not wrap complex
6222 arguments in SAVE_EXPR.
6224 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
6226 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6227 (INSTALL_LIBGCC): Revert typo commit.
6229 2009-01-26 Richard Guenther <rguenther@suse.de>
6231 PR tree-optimization/38745
6232 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6233 from special handling.
6235 2009-01-26 Richard Guenther <rguenther@suse.de>
6237 PR tree-optimization/38745
6238 * tree-ssa.c (execute_update_addresses_taken): Do not include
6239 variables that cannot possibly be a register in not_reg_needs.
6240 Do not clear TREE_ADDRESSABLE on vars that may not become
6242 * tree-ssa.c (update_alias_info_1): Include those in the set
6243 of addressable vars.
6245 2009-01-26 Richard Guenther <rguenther@suse.de>
6248 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6249 * tree-ssa-dse.c: Include langhooks.h
6250 (execute_simple_dse): Remove stores with zero size.
6252 2009-01-24 Jakub Jelinek <jakub@redhat.com>
6255 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6258 2009-01-24 Julian Brown <julian@codesourcery.com>
6260 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6261 config/arm/linux-atomic.c.
6262 * config/arm/linux-atomic.c: New.
6264 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
6266 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6267 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6268 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6270 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
6273 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6276 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
6278 PR tree-optimization/38953
6279 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6280 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6281 (gloog): Split the exit of the scop when the scop exit is a loop exit.
6282 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6285 2009-01-24 Paul Brook <paul@codesourcery.com>
6287 * config/arm/neon.md (neon_type): Move to arm.md.
6288 (neon_mov<VSTRUCT>): Add neon_type attribute.
6289 * config/arm/arm.md (neon_type): Move to here.
6290 (conds): Add "unconditioal" and use as default for NEON insns.
6292 2009-01-24 Ben Elliston <bje@au.ibm.com>
6294 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6295 void *' warning from -Wc++-compat.
6296 * Makefile.in (dominance.o-warn): Remove.
6298 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
6300 PR tree-optimization/38932
6301 * fold-const.c (fold_unary_ignore_overflow): New.
6302 * tree.h (fold_unary_ignore_overflow): Declare.
6303 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6304 * tree-ssa-sccvn.c (visit_reference_op_load,
6305 simplify_unary_expression): Likewise.
6307 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
6309 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6310 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
6311 regardless of their type.
6312 * c-common.c (handle_packed_attribute): Don't ignore packed on
6314 * c.opt (Wpacked-bitfield-compat): New warning option.
6315 * stor-layout.c (place_field): Warn if offset of a field changed.
6316 * doc/extend.texi (packed): Mention the ABI change.
6317 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6318 (Warning Options): Add it to the list.
6320 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
6322 * c-opts.c (c_common_post_options): Fix a typo in comments.
6324 2009-01-22 Steve Ellcey <sje@cup.hp.com>
6327 * gimplify.c (gimplify_init_constructor): Fix promotion of const
6328 variables to static.
6329 * doc/invoke.texi (-fmerge-all-constants): Update description.
6331 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
6334 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6335 (*movdi_1_rex64): Use type "mmx" for alternative 5.
6337 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
6339 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6341 (LOCAL_ALIGNMENT): Similarly.
6343 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6344 Joseph Myers <joseph@codesourcery.com>
6346 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6347 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6348 * config/arm/arm-tune.md: Regenerate.
6349 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6352 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6354 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6355 version number to five.
6357 2009-01-22 Dodji Seketeli <dodji@redhat.com>
6360 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6361 * c-common.c (set_underlying_type): Likewise.
6362 (is_typedef_decl ): Likewise
6364 (set_underlying_type): Likewise.
6365 (is_typedef_type): Likewise.
6367 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
6370 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6373 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6376 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
6377 (LIBGCC_SPEC): Don't define.
6378 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
6380 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
6382 PR rtl-optimization/38879
6383 * alias.c (base_alias_check): Unaligned access via AND address can
6384 alias all surrounding object types except those with sizes equal
6385 or wider than the size of unaligned access.
6387 2009-01-21 Dodji Seketeli <dodji@redhat.com>
6390 * c-decl.c (clone_underlying_type): Move this ...
6391 * c-common.c (set_underlying_type): ... here.
6392 Also, make sure the function properly sets TYPE_STUB_DECL() on
6393 the newly created typedef variant type.
6394 (is_typedef_decl ): New entry point.
6395 * tree.h: Added a new member member_types_needing_access_check to
6396 struct tree_decl_non_common.
6397 (set_underlying_type): New entry point.
6398 (is_typedef_type): Likewise.
6400 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
6402 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6403 Check whether two instructions have memory references that
6404 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
6405 are helper functions for traversing.
6406 * alias.h (insn_alias_sets_confilict_p): New prototypes.
6407 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6408 not to draw dependency edge for instructions with non-conflicting
6411 2009-01-20 Joseph Myers <joseph@codesourcery.com>
6414 * longlong.h: Update copyright years. Use soft-fp license notice.
6415 Sync __clz_tab declaration with glibc.
6417 2009-01-20 Steve Ellcey <sje@cup.hp.com>
6420 * doc/extend.texi (syscall_linkage): New.
6421 (version_id): Modify.
6423 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
6424 Richard Guenther <rguenther@suse.de>
6426 PR tree-optimization/38747
6427 PR tree-optimization/38748
6428 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6429 conversion if the base address is an indirect reference and the
6430 aliasing sets could cause issues.
6432 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6434 * common.opt (fgraphite, fgraphite-identity): Add comment for
6435 explaining why these options are not documented.
6437 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6439 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6440 gimple_call_lhs is NULL.
6442 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
6445 * emit-rtl.c (adjust_address_1): Make sure memref is never
6448 2009-01-20 Ben Elliston <bje@au.ibm.com>
6450 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6451 const qualifier from arg parameter. Remove unnecessary cast to char *.
6452 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6453 const qualifier from arg 2.
6455 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6457 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6459 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
6462 * rtl.h (reinit_regs): New prototype.
6463 * regclass.c: Include ira.h.
6465 * Makefile.in (regclass.o): Add ira.h.
6466 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6468 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6471 * c-common.c (handle_aligned_attribute): Use
6472 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6473 default alignment value.
6475 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6477 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6478 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6480 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6481 __BIGGEST_ALIGNMENT__.
6483 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6485 2009-01-18 Richard Guenther <rguenther@suse.de>
6487 PR tree-optimization/38819
6488 * tree-flow.h (operation_could_trap_helper_p): Declare.
6489 * tree-eh.c (operation_could_trap_helper_p): Export.
6490 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6491 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6492 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6493 are about to insert a possibly trapping instruction and fail
6496 2009-01-18 Andreas Schwab <schwab@suse.de>
6498 * doc/install.texi (Configuration): Remove obsolete paragraph
6499 about use of --with-gnu-ld with --with-gnu-as.
6501 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6503 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6504 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6505 Follow spelling conventions.
6507 2009-01-18 Ben Elliston <bje@au.ibm.com>
6509 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6510 C++ warning about implicit conversion from void * to struct
6512 (bitmap_obstack_free): Likewise for bitmap_element *.
6513 * Makefile.in (bitmap.o-warn): Remove.
6515 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6517 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6519 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6520 Tobias Grosser <tobi.grosser@amd.com>
6522 * graphite.c (graphite_trans_scop_block): Do not block single
6525 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6527 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6528 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6529 test with assertion.
6531 2009-01-16 Richard Guenther <rguenther@suse.de>
6533 PR tree-optimization/38835
6535 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6536 and INT + PTR -> (INT)(PTR p+ INT) folding.
6537 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6539 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6542 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6543 the subreg from a lowpart subreg if it is also casting the value.
6545 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6546 Tobias Grosser <tobi.grosser@amd.com>
6548 * graphite.c (compare_prefix_loops): New.
6549 (build_scop_canonical_schedules): Rewritten.
6550 (graphite_transform_loops): Move build_scop_canonical_schedules
6551 after build_scop_iteration_domain.
6553 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6554 Tobias Grosser <tobi.grosser@amd.com>
6556 * graphite.c (add_conditions_to_domain): Add the loops to
6557 the dimension of the iteration domain. Do copy the domain
6558 only when it exists.
6559 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6560 (add_conditions_to_constraints): New.
6561 (can_generate_code_stmt, can_generate_code): Removed.
6562 (gloog): Do not call can_generate_code.
6563 (graphite_transform_loops): Call add_conditions_to_constraints
6564 after building the iteration domain.
6566 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6568 PR tree-optimization/38789
6569 * tree-ssa-threadedge.c
6570 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6571 __builtin_constant_p.
6573 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6575 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6576 examined before deleting them.
6578 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6580 * function.c (aggregate_value_p): Correctly extract the function
6581 type from CALL_EXPR_FN lookup.
6583 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6585 * config/picochip/picochip.c (picochip_override_options): Revert
6586 CFI asm flag disable commited previously.
6588 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6589 Tobias Grosser <tobi.grosser@amd.com>
6590 Jan Sjodin <jan.sjodin@amd.com>
6592 * graphite.c (scan_tree_for_params): On substractions negate
6593 all the coefficients of the term.
6594 (clast_to_gcc_expression_red): New. Handle reduction expressions
6595 of more than two operands.
6596 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6597 (get_vdef_before_scop): Handle also the case of default definitions.
6599 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6601 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6602 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6603 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6605 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6606 Joey Ye <joey.ye@intel.com>
6609 * cfgexpand.c (expand_stack_alignment): Don't update stack
6610 boundary nor check incoming stack boundary here.
6611 (gimple_expand_cfg): Update stack boundary and check incoming
6612 stack boundary here.
6614 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6616 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6618 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6620 PR rtl-optimization/38245
6621 * calls.c (expand_call): Add stack arguments to
6622 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6623 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6624 in regs and partially in memory or BLKmode arguments.
6625 (emit_library_call_value_1): Add stack arguments to
6626 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6627 ACCUMULATE_OUTGOING_ARGS).
6628 * dce.c: Include tm_p.h.
6629 (find_call_stack_args): New function.
6630 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6632 (mark_insn): Call find_call_stack_args for CALL_Ps.
6633 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6634 forwards. Allocate and free arg_stores bitmap if needed, pass it
6635 down to deletable_insn_p, don't mark stores set in arg_stores
6636 bitmap, clear the bitmap at the beginning of each bb.
6637 * Makefile.in (dce.o): Depend on $(TM_P_H).
6639 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6642 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6643 to make sure the insn is a conditional test (bug 22599). Reformat a
6646 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6649 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6650 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6651 (gloog): Do not call cleanup_tree_cfg.
6652 (graphite_transform_loops): Call cleanup_tree_cfg after all
6653 scops have been code generated.
6655 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6656 * doc/gty.texi (Invoking the garbage collector): Added new node
6657 and section documenting ggc_collect.
6659 2009-01-14 Richard Guenther <rguenther@suse.de>
6661 PR tree-optimization/38826
6663 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6664 initialization notes only if we actually emitted a warning.
6665 (intra_create_variable_infos): Add constraints for a result decl
6666 that is passed by hidden reference.
6667 (build_pred_graph): Mark all related variables non-direct on
6670 2009-01-14 Nick Clifton <nickc@redhat.com>
6672 * ira-conflicts.c: Include addresses.h for the definition of
6674 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6675 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6677 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6680 * Makefile.in (ira-lives.o): Add except.h.
6682 * ira-lives.c: Include except.h.
6683 (process_bb_node_lives): Process can_throw_internal.
6685 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6687 PR rtl-optimization/38774
6688 * combine.c (simplify_set): When undoing cc_use change, don't do
6689 PUT_CODE on the newly created comparison, but instead put back the
6692 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6694 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6695 values. Remove duplicate arm8 entry.
6697 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6699 PR tree-optimization/38786
6700 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6701 the SSA_NAME case of expand_scalar_variables_expr.
6702 Set the type of an expression to the type of its assign statement.
6703 (expand_scalar_variables_expr): Also gather the scalar computation
6704 used to index the memory access. Do not pass loop_p.
6705 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6706 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6707 the gimple_stmt_iterator where it inserts new code.
6709 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6710 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6712 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6714 * graphite.h (debug_value): Removed.
6715 * graphite.c (debug_value): Removed.
6717 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6719 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6720 ldrd/strd with two 32-bit instructions.
6722 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6724 * config/arm/arm.c (struct processors): Pass for speed down into
6725 cost helper functions.
6726 (const_ok_for_op): Handle COMPARE and inequality nodes.
6727 (arm_rtx_costs_1): Rewrite.
6728 (arm_size_rtx_costs): Update prototype.
6729 (arm_rtx_costs): Pass speed down to helper functions.
6730 (arm_slowmul_rtx_costs): Rework cost calculations.
6731 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6732 (arm_9e_rtx_costs): Likewise.
6734 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6736 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6737 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6738 (alpha_legitimize_address): Do not split local symbols wider than
6739 UNITS_PER_WORD into HIGH/LO_SUM parts.
6741 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6744 * gcc.c (process_command): Replace call to execvp with calls
6745 to pex_one and exit.
6747 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6750 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6751 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6752 variant for devices with 3-byte PC.
6753 (__tablejump_elpm__): New.
6755 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6758 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6759 offsetof member-designator, handle it as `[0].'.
6761 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6763 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6764 function when not using named sections on targets with named sections
6765 if branch distance is less than 262132.
6767 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6769 * combine.c (combine_instructions): Recompute
6770 optimize_this_for_speed_p for each BB in the main combine loop.
6772 2009-01-12 Tomas Bily <tbily@suse.cz>
6775 * tree-loop-distribution.c (prop_phis): New function.
6776 (generate_builtin): Call prop_phis.
6777 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6779 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6781 PR tree-optimization/38807
6782 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6783 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6785 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6787 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6788 subreg of op0 to the original op0.
6790 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6792 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6794 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6797 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6798 starting with digits.
6800 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6803 * config/arm/arm.c (arm_is_long_call_p): Don't call
6804 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6806 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6808 * regrename.c (regrename_optimize): Fix dumping.
6809 (find_oldest_value_reg): Preserve REG_POINTER.
6810 (copy_hardreg_forward_1): Likewise.
6812 2009-01-09 Diego Novillo <dnovillo@google.com>
6814 * gimple.h (struct gimple_statement_base) <uid>: Document
6815 the restrictions on its use.
6817 (gimple_set_uid): Tidy.
6819 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6821 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6822 zero guard even if align_bytes != 0 and count is smaller than
6825 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6827 PR rtl-optimization/38495
6828 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6829 (add_range_and_copies_from_move_list): Print all added ranges.
6830 Add ranges to memory optimized destination.
6832 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6836 * config/i386/i386.c (override_options): Reject
6837 -mstringop-strategy=rep_8byte with -m32.
6838 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6839 to 1. Do count comparison against epilogue_size_needed at compile
6840 time even when count_exp was constant forced into register. For
6841 size_needed don't jump to epilogue, instead just avoid aligning
6842 and invoke the body algorithm. If need_zero_guard, add zero guard
6843 even if count is non-zero, but smaller than size_needed + number of
6844 bytes that could be stored for alignment.
6845 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6846 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6847 but smaller than size_needed + number of bytes that could be stored
6848 for alignment. Compare size_needed with epilogue_size_needed instead
6849 of desired_align - align, don't adjust size_needed, pass
6850 epilogue_size_needed to the epilogue expanders.
6853 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6855 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6857 * pa.c (last_address): Change to unsigned.
6858 (update_total_code_bytes): Change argument to unsigned. Don't
6859 check if insn addresses are set.
6860 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6861 addresses are not set.
6862 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6864 2009-01-09 Nick Clifton <nickc@redhat.com>
6866 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6867 DECL_DECLARED_INLINE_P.
6869 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6872 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6873 GET_MODE (op0) in operand_subword_force calls.
6876 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6877 fold_convert arg0 operands to TREE_TYPE (op0) first.
6879 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6881 * params.def (ira-max-conflict-table-size): Decrease default value
6884 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6886 PR tree-optimization/37031
6887 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6889 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6890 allocate it using gc instead of heap, use VEC_quick_push instead of
6892 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6893 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6894 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6895 allocated vector from heap allocated.
6896 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6897 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6898 vector only after perfect_loop_nest_depth call.
6900 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6901 Jan Sjodin <jan.sjodin@amd.com>
6903 PR tree-optimization/38559
6904 * graphite.c (debug_value, copy_constraint,
6905 swap_constraint_variables, scale_constraint_variable, ): New.
6906 (get_lower_bound, get_upper_bound): Removed.
6907 (graphite_trans_bb_strip_mine): Clean up this code that works
6908 only for constant number of iterations. Fully copy upper and
6909 lower bound constraints, not only the constant part of them.
6910 * graphite.h (debug_value): Declared.
6912 2009-01-08 Ira Rosen <irar@il.ibm.com>
6914 PR tree-optimization/37194
6915 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6916 Don't add the cost of cost model guard in prologue to scalar
6917 outside cost in case of known number of iterations.
6919 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6920 Alan Modra <amodra@bigpond.net.au>
6922 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6923 non-word-aligned REG+CONST addressing.
6925 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6928 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6929 free_after_compilation when outputting a thunk.
6930 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6931 Do not call free_after_compilation here.
6933 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6935 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6936 (ix86_valid_target_attribute_inner_p): Ditto.
6938 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6940 PR tree-optimization/38492
6941 PR tree-optimization/38498
6942 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6943 * tree-chrec.h (scev_is_linear_expression): Declared.
6944 * graphite.c (graphite_cannot_represent_loop_niter): New.
6945 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6946 (graphite_loop_normal_form): Use gcc_assert.
6947 (scan_tree_for_params): Use CASE_CONVERT.
6948 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6949 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6950 Use gcc_assert. Discard scops that contain unhandled cases.
6951 (build_scop_conditions): Return a boolean status for unhandled cases.
6952 (strip_mine_profitable_p): Print the loop number, not its depth.
6953 (is_interchange_valid): Pass the depth of the loop nest, don't
6954 recompute it wrongly.
6955 (graphite_trans_bb_block): Same.
6956 (graphite_trans_bb_block): Print tentative of loop blocking.
6957 (graphite_trans_scop_block): Do not print that the loop has been
6959 (graphite_transform_loops): Do not handle scops that contain condition
6962 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6964 AVX Programming Reference (December, 2008)
6965 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6966 (_mm256_stream_pd): Likewise.
6967 (_mm256_stream_ps): Likewise.
6969 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6970 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6971 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6972 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6973 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6974 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6975 (ix86_expand_special_args_builtin): Likewise.
6977 * config/i386/sse.md (AVXMODEDI): New.
6978 (avx_movnt<mode>): Likewise.
6979 (avx_movnt<mode>): Likewise.
6980 (<sse>_movnt<mode>): Remove AVX support.
6981 (sse2_movntv2di): Likewise.
6983 2009-01-07 Richard Guenther <rguenther@suse.de>
6986 * fold-const.c (extract_muldiv): Remove obsolete comment.
6987 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6988 to PLUS_EXPR canonicalization for the canonicalization.
6990 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6992 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6993 hosted cross-compilers generating less efficient code.
6995 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6997 * function.h (rtl_data): Add a dbr_scheduled_p field.
6998 * reorg.c (dbr_schedule): Set it.
6999 (gate_handle_delay_slots): Check it.
7000 * config/mips/mips.c (mips_base_delayed_branch): Delete.
7001 (mips_reorg): Check flag_delayed_branch instead of
7002 mips_base_delayed_branch.
7003 (mips_override_options): Don't set mips_base_delayed_branch
7004 or flag_delayed_branch.
7006 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
7008 PR rtl-optimization/38426.
7009 * ira.c (ira): Set current_function_is_leaf earlier.
7011 2009-01-06 Jakub Jelinek <jakub@redhat.com>
7013 PR rtl-optimization/38722
7014 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
7015 too early, only set a flag and modify after last possible
7018 2009-01-06 Janis Johnson <janis187@us.ibm.com>
7021 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7022 * real.c (decimal_single_format): Correct values of emin and emax.
7023 (decimal_double_format): Ditto.
7024 (decimal_quad_format): Ditto.
7025 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7026 computation of DECnn_MIN and DECnn_MAX for corrected values of
7027 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
7028 __DECnn_MIN__, and adjust its computation for the corrected value
7031 2009-01-06 Jan Hubicka <jh@suse.cz>
7034 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7036 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
7038 * doc/contrib.texi (Contributors): Slightly adjust the end note.
7039 Add Robert Clark to the list of testers.
7041 2009-01-06 Jan Hubicka <jh@suse.cz>
7042 Kai Tietz <kai.tietz@onevision.com>
7044 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7045 * config/i386/i386.c (ix86_expand_call): Add clobbers.
7047 2009-01-06 Jan Hubicka <jh@suse.cz>
7048 Kai Tietz <kai.tietz@onevision.com>
7050 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7052 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7053 (ix86_nsaved_regs): Count only general purpose regs.
7054 (ix86_nsaved_sseregs): New.
7055 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7056 to 16 for w64; compute padding and size of sse reg save area.
7057 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7058 general purpose regs.
7059 (ix86_emit_save_sse_regs_using_mov): New.
7060 (ix86_expand_prologue): Save SSE regs if needed.
7061 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7062 (ix86_emit_restore_sse_regs_using_mov): New.
7063 (ix86_expand_epilogue): Save SSE regs if needed.
7065 2009-01-06 Jan Hubicka <jh@suse.cz>
7066 Kai Tietz <kai.tietz@onevision.com>
7068 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7069 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7070 functions when accumulate outgoing args is off.
7072 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
7075 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7076 before using pseudos_have_intersected_live_ranges_p.
7078 * ira-int.h (ira_assert): Always define.
7080 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
7082 AVX Programming Reference (December, 2008)
7083 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7084 (_mm256_permute2_pd): Likewise.
7085 (_mm_permute2_ps): Likewise.
7086 (_mm256_permute2_ps): Likewise.
7087 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7088 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7090 * config/i386/i386.c (ix86_builtins): Remove
7091 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7092 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7093 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7094 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7095 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7096 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7097 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7098 __builtin_ia32_vpermil2ps256.
7099 (ix86_init_mmx_sse_builtins): Updated.
7100 (ix86_expand_args_builtin): Likewise.
7102 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7104 * pa.c (output_call): Relocate non-jump insns in the delay slot of
7105 long absolute calls when generating PA 2.0 code.
7107 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
7109 PR rtl-optimization/38583
7110 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7112 * params.def (ira-max-conflict-table-size): New.
7114 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7116 * ira.h (ira_conflicts_p): New external definition.
7118 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7119 table. Report this. Return result of building.
7120 (ira_build_conflicts): Use ira_conflicts_p. Check result of
7121 building conflict table.
7123 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7124 (ira_color): Use ira_conflicts_p.
7126 * global.c: Include ira.h.
7127 (pseudo_for_reload_consideration_p, build_insn_chain): Use
7130 * Makefile.in (global.o): Add ira.h.
7132 * ira-build.c (mark_all_loops_for_removal,
7133 propagate_some_info_from_allocno): New.
7134 (remove_unnecessary_allocnos): Call
7135 propagate_some_info_from_allocno.
7136 (remove_low_level_allocnos): New.
7137 (remove_unnecessary_regions): Add parameter. Call
7138 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
7139 parameter to remove_unnecessary_regions.
7140 (ira_build): Remove all regions but root if the conflict table was
7141 not built. Update conflict hard regs for allocnos crossing calls.
7143 * ira.c (ira_conflicts_p): New global.
7144 (ira): Define and use ira_conflicts_p.
7146 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7147 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7148 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7150 2009-01-06 Ben Elliston <bje@au.ibm.com>
7152 * gengtype-lex.l (YY_NO_INPUT): Define.
7154 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
7157 * c-common.c (handle_vector_size_attribute): Also reject
7160 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
7162 PR tree-optimization/38492
7163 * graphite.c (rename_map_elt, debug_rename_elt,
7164 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7165 rename_map_elt_info, eq_rename_map_elts,
7166 get_new_name_from_old_name, bb_in_sese_p): Moved around.
7167 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7168 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7169 (sese_build_livein_liveouts): New.
7170 (new_sese, free_sese): New.
7171 (new_scop): Call new_sese.
7172 (free_scop): Call free_sese.
7173 (rename_variables_from_edge, rename_phis_end_scop): Removed.
7174 (register_old_new_names): Renamed register_old_and_new_names.
7175 (register_scop_liveout_renames, add_loop_exit_phis,
7176 insert_loop_close_phis, struct igp,
7177 default_liveout_before_guard, add_guard_exit_phis,
7178 insert_guard_phis, copy_renames): New.
7179 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7180 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7181 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7182 (scop_adjust_phis_for_liveouts): New.
7183 (gloog): Call scop_adjust_phis_for_liveouts.
7185 * graphite.h (struct sese): Documented. Added fields liveout,
7187 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7188 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7189 (struct scop): Added field liveout_renames.
7190 (SCOP_LIVEOUT_RENAMES): New.
7192 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7194 PR tree-optimization/38510
7195 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7196 (translate_clast): Call recompute_all_dominators before
7198 (gloog): Call recompute_all_dominators before graphite_verify.
7200 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7201 Jan Sjodin <jan.sjodin@amd.com>
7203 PR tree-optimization/38500
7204 * graphite.c (create_sese_edges): Call fix_loop_structure after
7207 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
7209 * config.gcc: Add m32r*-*-rtems*.
7210 * config/m32r/rtems.h: New file.
7212 2009-01-05 Ben Elliston <bje@au.ibm.com>
7214 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7215 (.po.pox): Likewise.
7216 (po/gcc.pot): Likewise.
7218 2009-01-04 David S. Miller <davem@davemloft.net>
7220 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7221 (STARTING_FRAME_OFFSET): Always set to zero.
7223 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7225 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7226 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7227 fixed-point types, and vectors of the same.
7229 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7231 * config/mips/sync.md (*mb_barrier): Rename to...
7232 (*memory_barrier): ...this.
7234 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
7236 * doc/extend.texi (Function Attributes): Move @cindex after @item
7237 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7238 and put in alphabetical order. Fix 'target' name and put in order.
7239 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7242 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
7244 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7245 (memory_barrier): Expand as unspec instead of unspec_volatile.
7246 Remove mem:BLK from insn operands. Use Pmode scratch register.
7247 (*memory_barrier): Define as unspec instead of unspec_volatile.
7248 Use (match_dup 0) as input operand.
7250 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7251 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7252 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
7253 scratch register. Remove operand 1.
7254 (*stbar): Define as unspec instead of unspec_volatile.
7255 Use (match_dup 0) as input operand, remove (const_int 8).
7256 (*membar): Define as unspec instead of unspec_volatile.
7257 Use (match_dup 0) as input operand, remove input operand 2.
7259 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7260 (memory_barrier): Expand as unspec instead of unspec_volatile.
7261 Remove mem:BLK from insn operands. Use Pmode scratch register.
7262 (*memory_barrier): Define as unspec instead of unspec_volatile.
7263 Use (match_dup 0) as input operand.
7265 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7266 Remove mem:BLK from insn operands. Use Pmode scratch register.
7267 Set volatile flag on operand 0.
7268 (*memory_barrier): New insn pattern.
7270 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7272 (*memory_barrier): Use (match_dup 0) as input operand.
7274 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7275 Remove mem:BLK from insn operands. Use Pmode scratch register.
7276 Set volatile flag on operand 0.
7277 (*mb_internal): New insn pattern.
7279 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7281 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7284 * function.c (struct temp_slot): Move to the section of the file
7285 that deals with temp slots. Remove field 'address'.
7286 (temp_slot_address_table): New hash table of address -> temp slot.
7287 (struct temp_slot_address_entry): New struct, items for the table.
7288 (temp_slot_address_compute_hash, temp_slot_address_hash,
7289 temp_slot_address_eq, insert_temp_slot_address): Support functions
7291 (find_temp_slot_from_address): Rewrite to use the new hash table.
7292 (remove_unused_temp_slot_addresses): Remove addresses of temp
7293 slots that have been made available.
7294 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7295 worker function for remove_unused_temp_slot_addresses.
7296 (assign_stack_temp_for_type): Don't clear the temp slot address list.
7297 Add the temp slot address to the address -> temp slot map.
7298 (update_temp_slot_address): Update via insert_temp_slot_address.
7299 (free_temp_slots): Call remove_unused_temp_slot_addresses.
7300 (pop_temp_slots): Likewise.
7301 (init_temp_slots): Allocate the address -> temp slot map, or empty
7302 the map if it is already allocated.
7303 (prepare_function_start): Initialize temp slot processing.
7305 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7308 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7309 Calculate the size of all stack vars assuming no packing of stack
7310 vars will happen, replacing a quadratic algorithm with a linear one.
7312 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7315 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7318 2009-01-03 Diego Novillo <dnovillo@google.com>
7320 * doc/contrib.texi: Update contributions.
7322 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7325 * builtins.c (fold_builtin_memory_op): Give up if either operand
7326 is volatile. Set srctype or desttype to non-qualified version
7330 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7333 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
7335 PR rtl-optimization/35805
7336 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7337 problem if fast dce is able to remove any instructions.
7338 * dce.c (dce_process_block): Fix dump message.
7340 2009-01-02 Mark Mitchell <mark@codesourcery.com>
7343 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7345 2009-01-02 Jakub Jelinek <jakub@redhat.com>
7348 * tree-flow.h (op_code_prio, op_prio): New prototypes.
7349 * tree-pretty-print.c (op_code_prio): New function.
7350 (op_prio): No longer static. Use op_code_prio.
7351 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7352 Use op_prio and op_code_prio to determine if () should be
7353 printed around operand(s) or not.
7355 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7356 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7357 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7358 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7359 pp_character instead of pp_string for single letter printing.
7361 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7363 * doc/extend.texi: Fix '#pragma GCC option' typo.
7365 2009-01-02 Richard Guenther <rguenther@suse.de>
7367 * doc/install.texi (--enable-checking): Mention different
7369 (--enable-stage1-checking): Document.
7371 2009-01-01 Andrew Pinski <pinskia@gmail.com>
7374 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
7375 case to be an error.
7377 2009-01-02 Ben Elliston <bje@au.ibm.com>
7379 * config/fp-bit.h (pack_d): Constify argument.
7380 * config/fp-bit.c (makenan): Constify return type. Remove casts.
7381 (isnan): Constify argument.
7385 (_fpadd_parts): Constify return type.
7386 (_fpmul_parts): Likewise.
7387 (_fpdiv_parts): Likewise.
7389 2009-01-01 Jakub Jelinek <jakub@redhat.com>
7392 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
7393 warn about overwriting initializer with side-effects or
7394 -Woverride-init if !IMPLICIT.
7395 (output_init_element): Likewise. Pass IMPLICIT down to
7397 (process_init_element): Add IMPLICIT argument. Pass it down
7398 to output_init_element.
7399 (push_init_element, pop_init_level, set_designator): Adjust
7400 process_init_element callers.
7401 (set_nonincremental_init, set_nonincremental_init_from_string):
7402 Adjust add_pending_init callers.
7403 (output_pending_init_elements): Adjust output_init_element callers.
7404 * c-tree.h (process_init_element): Adjust prototype.
7405 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7406 process_init_element callers.