1 2009-04-17 Richard Guenther <rguenther@suse.de>
3 * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up
5 (get_prop_source_stmt): Likewise.
6 (can_propagate_from): Likewise.
8 2009-04-17 Andrew Stubbs <ams@codesourcery.com>
10 * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
11 TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
12 (--with-multilib-list): Add default value.
13 * configure: Regenerate.
14 * Makefile.in (TM_ENDIAN_CONFIG): Define.
15 (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
16 * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
17 TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
18 Don't add default cpu to multilib list unnecessarily, but do enable
19 the relevant compiler option..
20 Add support for --with-multilib-list=<blank> and
21 --with-multilib-list=!<somelib> to supress unwanted multilibs.
22 * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
23 (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
24 (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
26 (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
27 (MULTILIB_OSDIRNAMES): New variable.
28 * config/sh/t-1e: Delete file.
29 * config/sh/t-mlib-sh1: Delete file.
30 * config/sh/t-mlib-sh2: Delete file.
31 * config/sh/t-mlib-sh2a: Delete file.
32 * config/sh/t-mlib-sh2a-nofpu: Delete file.
33 * config/sh/t-mlib-sh2a-single: Delete file.
34 * config/sh/t-mlib-sh2a-single-only: Delete file.
35 * config/sh/t-mlib-sh2e: Delete file.
36 * config/sh/t-mlib-sh3e: Delete file.
37 * config/sh/t-mlib-sh4: Delete file.
38 * config/sh/t-mlib-sh4-nofpu: Delete file.
39 * config/sh/t-mlib-sh4-single: Delete file.
40 * config/sh/t-mlib-sh4-single-only: Delete file.
41 * config/sh/t-mlib-sh4a: Delete file.
42 * config/sh/t-mlib-sh4a-nofpu: Delete file.
43 * config/sh/t-mlib-sh4a-single: Delete file.
44 * config/sh/t-mlib-sh4a-single-only: Delete file.
45 * config/sh/t-mlib-sh4al: Delete file.
46 * config/sh/t-mlib-sh5-32media: Delete file.
47 * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
48 * config/sh/t-mlib-sh5-64media: Delete file.
49 * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
50 * config/sh/t-mlib-sh5-compact: Delete file.
51 * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
52 * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
53 * doc/install.texi (Options specification): Add
54 --with-multilib-list and --with-endian.
56 2009-04-17 Rafael Avila de Espindola <espindola@google.com>
58 * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
60 (OBJS-common): Add plugin-version.o.
61 (plugin-version.o): New.
62 * gcc-plugin.h (plugin_gcc_version): New.
63 (plugin_default_version_check): New.
64 (plugin_init_func, plugin_init): Add version argument.
65 * plugin-version.c: New.
66 * plugin.c (str_plugin_gcc_version_name): New.
67 (try_init_one_plugin): Read plugin_gcc_version from the plugin and
68 pass it to the init function.
69 (plugin_default_version_check): New.
71 2009-04-17 Richard Guenther <rguenther@suse.de>
73 * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
74 for decl-vs-decl disambiguation.
76 2009-04-17 Andreas Krebbel <krebbel1@de.ibm.com>
78 * config/s390/s390.h (s390_tune_attr): New macro definition.
79 * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
81 2009-04-17 Richard Guenther <rguenther@suse.de>
83 * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
84 (fold_stmt_r): Likewise.
85 (maybe_fold_reference): New function.
86 (fold_gimple_assign): Handle cases fold_stmt_r did.
87 (fold_stmt): Do not use fold_stmt_r.
88 (fold_stmt_inplace): Likewise.
90 2009-04-17 Richard Guenther <rguenther@suse.de>
92 * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
93 (record_equivalences_from_stmt): Remove useless checks and
95 * tree-ssa-pre.c (eliminate): Avoid converting a constant if
96 the type is already suitable.
98 2009-04-17 Paolo Bonzini <bonzini@gnu.org>
100 * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
102 2009-04-17 Uros Bizjak <ubizjak@gmail.com>
104 * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
105 (CMPtype): Define as __gcc_CMPtype.
107 2009-04-17 Aurelien Jarno <aurelien@aurel32.net>
109 * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
110 for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
112 2009-04-17 Richard Guenther <rguenther@suse.de>
114 PR tree-optimization/39746
115 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
116 special-casing for builtins and static variable use/def.
117 (call_may_clobber_ref_p_1): Likewise.
119 2009-04-16 Ian Lance Taylor <iant@google.com>
121 * df.h: Include "timevar.h".
122 (struct df_problem): Change tv_id field to timevar_id_t.
123 * tree-pass.h: Include "timevar.h".
124 (struct opt_pass): Change tv_id field to timevar_id_t.
125 * timevar.h (timevar_id_t): Define TV_NONE.
126 * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
127 TV_NONE rather than tv_id != 0.
128 (execute_one_pass): Likewise.
129 * Makefile.in (DF_H): Add $(TIMEVAR_H).
130 (TREE_PASS_H): Define. Change all instances of tree-pass.h in
131 dependencies to $(TREE_PASS_H).
132 * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
134 (pass_branch_target_load_optimize2): Likewise.
135 * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
136 (pass_outof_cfg_layout_mode): Likewise.
137 * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
138 (pass_rebuild_cgraph_edges): Likewise.
139 (pass_remove_cgraph_callee_edges): Likewise.
140 * df-core.c (pass_df_initialize_opt): Likewise.
141 (pass_df_initialize_no_opt): Likewise.
142 (pass_df_finish): Likewise.
143 * emit-rtl.c (pass_unshare_all_rtl): Likewise.
144 * except.c (pass_set_nothrow_function_flags): Likewise.
145 (pass_convert_to_eh_region_ranges): Likewise.
146 * final.c (pass_compute_alignments): Likewise.
147 * function.c (pass_instantiate_virtual_regs): Likewise.
148 (pass_init_function): Likewise.
149 (pass_leaf_regs): Likewise.
150 (pass_match_asm_constraints): Likewise.
151 * gimple-low.c (pass_lower_cf): Likewise.
152 (pass_mark_used_blocks): Likewise.
153 * init-regs.c (pass_initialize_regs): Likewise.
154 * integrate.c (pass_initial_value_sets): Likewise.
155 * ira.c (pass_ira): Likewise.
156 * jump.c (pass_cleanup_barriers): Likewise.
157 * omp-low.c (pass_expand_omp): Likewise.
158 (pass_lower_omp): Likewise.
159 * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
160 * recog.c (pass_split_all_insns): Likewise.
161 (pass_split_after_reload): Likewise.
162 (pass_split_before_regstack): Likewise.
163 (pass_split_before_sched2): Likewise.
164 (pass_split_for_shorten_branches): Likewise.
165 * reginfo.c (pass_reginfo_init): Likewise.
166 (pass_subregs_of_mode_init): Likewise.
167 (pass_subregs_of_mode_finish): Likewise.
168 * passes.c (pass_postreload): Likewise.
169 * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
170 * tree-cfg.c (pass_remove_useless_stmts): Likewise.
171 (pass_warn_function_return): Likewise.
172 (pass_warn_function_noreturn): Likewise.
173 * tree-complex.c (pass_lower_complex): Likewise.
174 (pass_lower_complex_O0): Likewise.
175 * tree-if-conv.c (pass_if_conversion): Likewise.
176 * tree-into-ssa.c (pass_build_ssa): Likewise.
177 * tree-mudflap.c (pass_mudflap_1): Likewise.
178 (pass_mudflap_2): Likewise.
179 * tree-nomudflap.c (pass_mudflap_1): Likewise.
180 (pass_mudflap_2): Likewise.
181 * tree-nrv.c (pass_return_slot): Likewise.
182 * tree-object-size.c (pass_object_sizes): Likewise.
183 * tree-optimize.c (pass_all_optimizations): Likewise.
184 (pass_early_local_passes): Likewise.
185 (pass_all_early_optimizations): Likewise.
186 (pass_cleanup_cfg): Likewise.
187 (pass_cleanup_cfg_post_optimizing): Likewise.
188 (pass_free_datastructures): Likewise.
189 (pass_free_cfg_annotations): Likewise.
190 (pass_fixup_cfg): Likewise.
191 (pass_init_datastructures): Likewise.
192 * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
193 (pass_late_warn_uninitialized): Likewise.
194 (pass_update_address_taken): Likewise.
195 * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
196 * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
197 (pass_cse_sincos): Likewise.
198 (pass_convert_to_rsqrt): Likewise.
199 * tree-ssa-structalias.c (pass_build_alias): Likewise.
200 * tree-stdarg.c (pass_stdarg): Likewise.
201 * tree-tailcall.c (pass_tail_recursion): Likewise.
202 (pass_tail_calls): Likewise.
203 * tree-vect-generic.c (pass_lower_vector): Likewise.
204 (pass_lower_vector_ssa): Likewise.
205 * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
207 2009-04-16 Joseph Myers <joseph@codesourcery.com>
209 * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
211 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
213 * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
216 2009-04-16 Kaz Kojima <kkojima@gcc.gnu.org>
219 * config/sh/predicates.md (arith_operand): Check if the operand
220 of TRUNCATE is a REG.
222 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
224 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
225 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
227 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
229 * tree-iterator.c (tsi_split_statement_list_after,
230 tsi_split_statement_list_before): Remove.
231 * tree-iterator.h: Remove the prototypes for
232 tsi_split_statement_list_after and tsi_split_statement_list_before.
234 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
236 * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
237 * tree-ssa-propagate.h: Remove the prototype for
238 stmt_makes_single_load.
240 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
242 * emit-rtl.c (set_mem_attrs_from_reg): Remove.
243 * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
245 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
247 * tree-iterator.c (EXPR_LAST_BODY): Remove.
249 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
251 * except.c (eh_region_outer_p): Remove.
252 * except.h: Remove the prototype for eh_region_outer_p.
254 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
256 * function.c (current_function_assembler_name): Remove.
257 * function.h: Remove the prototype for
258 current_function_assembler_name.
260 2009-04-16 Ian Lance Taylor <iant@google.com>
262 * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
263 (add_reg_note): Call alloc_reg_note.
264 * rtl.h (alloc_reg_note): Declare.
265 * combine.c (try_combine): Use alloc_reg_note.
266 (recog_for_combine, move_deaths): Likewise.
267 (distribute_notes): Use alloc_reg_note and add_reg_note.
268 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
269 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
270 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
272 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
274 PR rtl-optimization/39762
275 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
276 ira_may_move_out_cost): Add comments about way of their usage.
277 (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
279 * ira-conflicts.c (process_regs_for_copy): Use function
280 ira_get_register_move_cost instead of global
281 ira_register_move_cost.
283 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
284 color_pass, move_spill_restore, update_curr_costs): Ditto.
286 * ira-lives.c (process_single_reg_class_operands): Ditto.
288 * ira-emit.c (emit_move_list): Ditto.
290 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
291 (record_reg_classes): Ditto. Use functions
292 ira_get_register_move_cost and ira_get_may_move_cost instead of
293 global vars ira_register_move_cost, ira_may_move_out_cost and
294 ira_may_move_in_cost.
295 (record_address_regs): Don't call ira_init_register_move_cost.
296 Use function ira_get_may_move_cost instead of global
297 ira_may_move_in_cost.
298 (process_bb_node_for_hard_reg_moves): Use function
299 ira_get_register_move_cost instead of global ira_register_move_cost.
300 (ira_costs): Don't call ira_init_register_move_cost.
302 2009-04-16 Richard Guenther <rguenther@suse.de>
304 * tree-cfg.c (verify_gimple_assign_binary):
305 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
306 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
307 (create_general_new_stmt): Note that this function is broken.
309 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
311 * common.opt (fhelp): Add Var(help_flag).
312 * gcc-plugin.h (plugin_info): Add help.
313 * plugin.c (plugin_name_args): Add help.
314 (register_plugin_info): Set plugin->help.
315 (print_help_one_plugin): New.
316 (print_plugins_help): New.
317 * plugin.h (print_plugins_help): New.
318 * toplev.c (toplev_main): Call print_plugins_help if needed.
320 2009-04-16 Richard Guenther <rguenther@suse.de>
322 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
323 (gimple_ior_addresses_taken_1): New function.
324 (gimple_ior_addresses_taken): Likewise.
325 * gimple.h (struct gimple_statement_with_ops_base): Remove
326 addresses_taken member.
327 (gimple_ior_addresses_taken): Declare.
328 (gimple_addresses_taken, gimple_addresses_taken_ptr,
329 gimple_set_addresses_taken): Remove.
330 * ipa-reference.c (mark_address): New function.
331 (scan_stmt_for_static_refs): Use it for marking addresses taken.
332 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
333 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
334 (gimple_add_to_addresses_taken): Remove.
335 (get_tmr_operands): Call mark_address_taken.
336 (get_asm_expr_operands): Likewise.
337 (get_expr_operands): Likewise.
338 (build_ssa_operands): Do not clear the addresses_taken bitmap.
339 (free_stmt_operands): Do not free it.
340 * tree-ssa.c (delete_tree_ssa): Likewise.
341 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
343 2009-04-16 Richard Guenther <rguenther@suse.de>
345 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
346 (walk_stmt_load_store_ops): Likewise.
347 * gimple.c (get_base_loadstore): New function.
348 (walk_stmt_load_store_addr_ops): Likewise.
349 (walk_stmt_load_store_ops): Likewise.
350 * ipa-pure-const.c (check_op): Simplify.
351 (check_load, check_store): New functions.
352 (check_stmt): Use walk_stmt_load_store_ops.
353 * ipa-reference.c (mark_load): Adjust signature.
354 (mark_store): Likewise.
355 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
357 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
359 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
361 * opts.c (common_handle_option): Don't call print_version.
362 * plugin.c (plugin_name_args): Add version.
363 (register_plugin_info): New.
364 (register_callback): Handle PLUGIN_INFO.
365 (try_init_one_plugin): New.
366 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
368 (finalize_one_plugin): New.
369 (finalize_plugins): New.
370 (print_one_plugin): New.
371 (print_plugins_versions): New.
372 * plugin.h (print_plugins_versions): New.
373 (finalize_plugins): New.
374 * toplev.c (compile_file): Don't call initialize_plugins.
375 (print_version): Call print_plugins_versions.
376 (toplev_main): Call initialize_plugins. Print version if needed.
377 Call finalize_plugins.
379 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
381 * common.opt (fversion): New.
382 * gcc.c (print_version): New.
383 (process_command): Don't print the version. Just set print_version.
384 (main): Print version. Call subprocesses if print_version and
385 verbose_flag are set.
386 * opts.c (common_handle_option): Handle OPT_fversion.
388 2009-04-16 Richard Guenther <rguenther@suse.de>
389 Ira Rosen <irar@il.ibm.com>
391 PR tree-optimization/39698
392 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
393 type of the reduction variable. Only generate the def if
396 * omp-low.c (expand_omp_for_generic): When converting to a pointer
397 make sure to first convert to an integer of the same precision.
398 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
399 the type of the evolution correctly in computing the new
400 induction variable base.
402 2009-04-16 Richard Guenther <rguenther@suse.de>
405 * tree-cfg.c (make_blocks): Split statements with to-be
406 abnormal SSA names on the lhs.
408 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
410 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
411 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
412 * c-typeck.c (really_start_incremental_init): Likewise.
413 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
414 (TARGET_INITIALIZER): Remove it.
415 * target.h (struct target): Remove vector_opaque_p.
416 * tree.c (build_opaque_vector_type): New.
417 * tree.h (TYPE_VECTOR_OPAQUE): New.
418 (build_opaque_vector_type): Declare.
419 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
420 * config/rs6000/rs6000.c (build_opaque_vector_type,
421 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
422 (rs6000_init_builtins): Use build_opaque_vector_type for
423 opaque_V4SI_type_node.
425 2009-04-15 Catherine Moore <clm@codesourcery.com>
427 * debug.h (set_name): Declare.
428 * dwarf2out.c (dwarf2out_set_name): Declare.
429 (dwarf2_debug_hooks): Add set_name.
430 (find_AT_string): New.
431 (add_AT_string): Call find_AT_string.
432 (dwarf2out_set_name): New.
433 * cp/decl.c (grokdeclarator): Call set_name.
434 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
435 * debug.c (do_nothing_debug_hooks): Likewise.
436 * dbxout.c (dbx_debug_hooks): Likewise.
437 * sdbout.c (sdb_debug_hooks): Likewise.
439 2009-04-15 Michael Eager <eager@eagercon.com>
441 * config/rs6000/rs6000.c (rs6000_function_value): Set function return
442 reg for single-precision FPU.
443 * config/rs6000/rs6000.md (movsi_internal1): Only for
445 (movsi_internal1_single): New. Add pattern to move SI values to/from
446 single-precision FP regs.
448 2009-04-15 Richard Guenther <rguenther@suse.de>
450 * omp-low.c (lower_rec_input_clauses): Build correct address
452 (expand_omp_for_generic): Fix multiplication type.
453 * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
454 (generate_memset_zero): Fix types.
455 * tree-profile.c (prepare_instrumented_value): Correctly
458 2009-04-15 Ian Lance Taylor <iant@google.com>
460 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
461 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
462 for -Wall and for -Wc++-compat.
463 (c_common_post_options): For C++, set warn_enum_compare if not
465 * c-tree.h (struct c_expr): Add field original_type.
466 (build_external_ref): Update declaration.
467 * c-parser.c (c_parser_braced_init): Set original_type.
468 (c_parser_initelt): Likewise.
469 (c_parser_expr_no_commas): Likewise.
470 (c_parser_conditional_expression): Likewise.
471 (c_parser_cast_expression): Likewise.
472 (c_parser_unary_expression): Likewise. Pull setting of
473 original_code to top of function.
474 (c_parser_sizeof_expression): Set original_type.
475 (c_parser_alignof_expression): Likewise.
476 (c_parser_postfix_expression): Likewise. Pull setting of
477 original_code to top of function.
478 (c_parser_postfix_expression_after_paren_type): Set original_type.
479 (c_parser_postfix_expression_after_primary): Likewise.
480 (c_parser_expression): Likewise.
481 * c-typeck.c (build_external_ref): Add type parameter. Change all
483 (c_expr_sizeof_expr): Set original_type field.
484 (parser_build_unary_op): Likewise.
485 (parser_build_binary_op): Likewise. Optionally warn about
486 comparisons of enums of different types.
487 (digest_init): Set original_type field.
488 (really_start_incremental_init): Likewise.
489 (push_init_level, pop_init_level): Likewise.
490 * doc/invoke.texi (Warning Options): -Wenum-compare now
493 2009-04-15 Richard Guenther <rguenther@suse.de>
495 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
496 out a necessary conversion.
497 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
498 names we didn't value number.
499 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
501 2009-04-15 Richard Guenther <rguenther@suse.de>
503 PR tree-optimization/39764
504 * tree-ssa-ccp.c (get_value): Canonicalize value with
505 canonicalize_float_value.
507 2009-04-15 Jan Hubicka <jh@suse.cz>
509 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
510 Wrong version of patch.
512 2009-04-15 Jan Hubicka <jh@suse.cz>
514 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
516 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
518 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
519 our distinct integral and vector types.
521 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
523 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
524 * init.c (build_vtbl_address): Remove call to assemble_external.
526 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
528 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
529 output for other floating point modes.
531 2009-04-14 Diego Novillo <dnovillo@google.com>
533 * diagnostic.c (diagnostic_report_diagnostic): Do not
534 warn about loaded plugins for DK_ERROR and DK_WARNING.
535 * c-decl.c (declspecs_add_type): Move call to
536 invoke_plugin_callbacks ...
537 * c-parser.c (c_parser_declspecs): ... here.
538 * plugin.c (dump_active_plugins): Tidy output.
540 2009-04-14 Diego Novillo <dnovillo@google.com>
541 Le-Chun Wu <lcwu@google.com>
543 * configure.ac: Add --enable-plugin support.
544 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
545 * Makefile.in (PLUGIN_H): Define.
546 Export ENABLE_PLUGIN and GMPINC to site.exp.
547 Add PLUGINLIBS to link command.
548 Add/modify dependencies for plugin.o and files including plugin.h.
550 * config.in: Regenerate.
552 * opts.c (common_handle_option): Handle OPT_fplugin_ and
555 2009-04-14 Le-Chun Wu <lcwu@google.com>
557 * tree-pass.h (register_one_dump_file): Add a prototype for
558 register_one_dump_file.
559 * toplev.c (compile_file): Call initialize_plugins.
560 (do_compile): Call invoke_plugin_callbacks.
561 (toplev_main): Call invoke_plugin_callbacks.
562 * common.opt: Add -fplugin= and -fplugin-arg-.
563 * gcc-plugin.h: New public header file for plugins to include.
564 * plugin.c: New source file.
565 * plugin.h: New internal header file.
566 * passes.c (register_one_dump_file): Make it external.
568 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
570 2009-04-14 Diego Novillo <dnovillo@google.com>
572 * doc/plugins.texi: New.
573 * doc/gccint.texi: Add reference to Plugins chapter.
574 * doc/invoke.texi: Document -fplugin and -fplugin-arg
575 * diagnostic.c (diagnostic_report_diagnostic): Warn about
576 loaded plugins, if any.
577 * timevar.def (TV_PLUGIN_INIT): Define.
578 (TV_PLUGIN_RUN): Define.
579 * plugin.c: Include timevar.h
580 (plugins_active_p): New.
581 (dump_active_plugins): New.
582 (debug_active_plugins): New.
584 2009-04-14 Joseph Myers <joseph@codesourcery.com>
586 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
588 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
590 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
592 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
593 the same as a minus without a shift.
595 2009-04-14 Nick Clifton <nickc@redhat.com>
597 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
598 comparisons with small integers will always produce a short
601 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
604 2008-12-19 Diego Novillo <dnovillo@google.com>
606 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
608 2000-04-14 Richard Guenther <rguenther@suse.de>
610 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
612 (verify_gimple_assign_binary): Likewise. Handle shifts and
614 (verify_gimple_phi): Print the mismatched argument position.
615 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
617 (vect_update_init_of_dr): Likewise.
618 * matrix-reorg.c (transform_access_sites): Do what the
620 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
622 2009-04-13 Michael Eager <eager@eagercon.com>
624 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
625 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
626 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
627 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
628 remove duplicate config
630 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
632 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
633 file_name:line_number type locator of the call site.
635 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
637 * genautomata.c: Put blank after comma.
638 (automaton_decls): New.
639 (struct unit_usage): Add comments to member next.
640 (store_alt_unit_usage): Keep the list ordered.
641 (unit_present_on_list_p, equal_alternatives_p): New.
642 (check_regexp_units_distribution): Check units distribution
643 correctness correctly.
644 (main): Don't write automata if error is found. Return correct
647 * config/m68k/cf.md (cfv4_ds): Remove.
648 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
649 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
651 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
652 power4-load-ext, power4-store, power4-store-update,
653 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
654 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
655 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
656 power4-sqrt, power4-isync): Modify reservation to make correct
657 unit distribution to automata.
659 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
660 power5-store-update, power5-two, power5-three, power5-lmul,
661 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
663 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
665 * except.c (pass_set_nothrow_function_flags): Set name and add
667 (set_nothrow_function_flags): Mention in the dump file when
668 changing a function to nothrow.
670 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
673 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
674 instead of unsigned long.
676 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
678 * config/arm/arm.c (return_used_this_function): Remove.
679 (arm_output_function_prologue): Remove use of
680 return_used_this_function.
681 (output_return_instruction): Replace use of
682 return_used_this_function
683 by cfun->machine->return_used_this_function.
684 (arm_output_epilogue): Likewise.
685 (arm_output_function_epilogue): Likewise.
686 (thumb_unexpanded_epilogue): Likewise.
687 * config/arm/arm.h (struct machine_function):
688 New member return_used_this_function.
690 2009-04-12 Mark Mitchell <mark@codesourcery.com>
692 * doc/install.texi: Correct description of default directory for
693 --with-gxx-include-dir.
695 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
697 * fold-const.c (build_range_check): Properly deal with enumeral and
700 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
702 * doc/invoke.texi (max_gcse_passes): Remove documentation.
703 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
704 * params.h (MAX_GCSE_PASSES): Remove.
705 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
706 in sequence. Remove ability to run multiple passes.
707 (bypass_jumps): Report run as third CPROP pass.
709 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
712 * except.c (can_throw_external): Look at each insn in a SEQUENCE
713 when deciding whether the whole SEQUENCE can throw.
715 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
718 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
719 offseted label references.
721 2009-04-11 Jan Hubicka <jh@suse.cz>
723 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
725 2009-04-11 Richard Guenther <rguenther@suse.de>
728 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
729 return variables as TREE_ADDRESSABLE.
731 2009-04-11 Richard Guenther <rguenther@suse.de>
733 PR tree-optimization/39713
734 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
735 reference trees have SSA_NAME operands.
737 2009-04-11 Richard Guenther <rguenther@suse.de>
740 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
743 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
745 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
746 match changes in Cygwin 1.7
747 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
748 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
750 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
752 PR tree-optimization/39701
753 * doc/invoke.texi (Optimization Options): Document change in
754 meaning and initialization of -fdelete-null-pointer-checks.
756 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
759 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
761 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
764 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
766 2009-04-10 Chao-ying Fu <fu@mips.com>
768 * doc/tm.texi (Instruction Output): Document
769 TARGET_ASM_FINAL_POSTSCAN_INSN.
770 * target.h (final_postscan_insn): New field in asm_out.
771 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
772 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
773 * final.c (final_scan_insn): Call
774 targetm.asm_out.final_postscan_insn after outputting
775 an asm macro and a normal instruction.
777 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
778 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
779 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
780 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
781 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
783 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
786 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
787 variables as non-NULL even with -fdelete-null-pointer-checks.
789 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
791 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
793 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
796 * config/i386/i386.c (classify_argument): Handle SCmode with
797 (bit_offset % 64) != 0.
799 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
801 * doc/invoke.texi (Optimize Options): Add cross-reference to
802 -Q --help=optimizers examples.
804 2009-04-10 Ben Elliston <bje@au.ibm.com>
807 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
808 regalign for the reg == fpr and TDmode case.
810 2009-04-09 David Ayers <ayers@fsfe.org>
813 * objc/objc-act.c (warn_with_method): Remove helper function.
814 (check_duplicates): Call warning and inform directly.
815 (really_start_method): Likewise.
817 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
819 * expmed.c (expand_divmod): Always use a comparison for a division
820 by a large unsigned integer.
822 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
823 for things others than variables or functions as nonzero.
825 2009-04-09 Nick Clifton <nickc@redhat.com>
827 * unwind-compat.c: Change copyright header to refer to version
828 3 of the GNU General Public License with version 3.1 of the
829 GCC Runtime Library Exception and to point readers at the
830 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
831 * config/alpha/crtfastmath.c: Likewise.
832 * config/alpha/linux-unwind.h: Likewise.
833 * config/alpha/qrnnd.asm: Likewise.
834 * config/alpha/vms-crt0-64.c: Likewise.
835 * config/alpha/vms-crt0.c: Likewise.
836 * config/alpha/vms-dwarf2.asm: Likewise.
837 * config/alpha/vms-dwarf2eh.asm: Likewise.
838 * config/alpha/vms-psxcrt0-64.c: Likewise.
839 * config/alpha/vms-psxcrt0.c: Likewise.
840 * config/alpha/vms_tramp.asm: Likewise.
841 * config/arc/initfini.c: Likewise.
842 * config/arc/lib1funcs.asm: Likewise.
843 * config/arm/bpabi-v6m.S: Likewise.
844 * config/arm/bpabi.S: Likewise.
845 * config/arm/bpabi.c: Likewise.
846 * config/arm/crti.asm: Likewise.
847 * config/arm/crtn.asm: Likewise.
848 * config/arm/ieee754-df.S: Likewise.
849 * config/arm/ieee754-sf.S: Likewise.
850 * config/arm/lib1funcs.asm: Likewise.
851 * config/arm/libunwind.S: Likewise.
852 * config/arm/linux-atomic.c: Likewise.
853 * config/arm/mmintrin.h: Likewise.
854 * config/arm/pr-support.c: Likewise.
855 * config/arm/unaligned-funcs.c: Likewise.
856 * config/arm/unwind-arm.c: Likewise.
857 * config/arm/unwind-arm.h: Likewise.
858 * config/avr/libgcc.S: Likewise.
859 * config/bfin/crti.s: Likewise.
860 * config/bfin/crtlibid.s: Likewise.
861 * config/bfin/crtn.s: Likewise.
862 * config/bfin/lib1funcs.asm: Likewise.
863 * config/bfin/linux-unwind.h: Likewise.
864 * config/cris/arit.c: Likewise.
865 * config/cris/cris_abi_symbol.c: Likewise.
866 * config/darwin-64.c: Likewise.
867 * config/darwin-crt2.c: Likewise.
868 * config/darwin-crt3.c: Likewise.
869 * config/darwin.h: Likewise.
870 * config/dbxelf.h: Likewise.
871 * config/dfp-bit.c: Likewise.
872 * config/dfp-bit.h: Likewise.
873 * config/elfos.h: Likewise.
874 * config/fixed-bit.c: Likewise.
875 * config/fixed-bit.h: Likewise.
876 * config/fp-bit.c: Likewise.
877 * config/fp-bit.h: Likewise.
878 * config/fr30/crti.asm: Likewise.
879 * config/fr30/crtn.asm: Likewise.
880 * config/fr30/lib1funcs.asm: Likewise.
881 * config/freebsd-spec.h: Likewise.
882 * config/frv/cmovd.c: Likewise.
883 * config/frv/cmovh.c: Likewise.
884 * config/frv/cmovw.c: Likewise.
885 * config/frv/frvbegin.c: Likewise.
886 * config/frv/frvend.c: Likewise.
887 * config/frv/lib1funcs.asm: Likewise.
888 * config/glibc-stdint.h: Likewise.
889 * config/h8300/clzhi2.c: Likewise.
890 * config/h8300/crti.asm: Likewise.
891 * config/h8300/crtn.asm: Likewise.
892 * config/h8300/ctzhi2.c: Likewise.
893 * config/h8300/fixunssfsi.c: Likewise.
894 * config/h8300/lib1funcs.asm: Likewise.
895 * config/h8300/parityhi2.c: Likewise.
896 * config/h8300/popcounthi2.c: Likewise.
897 * config/i386/ammintrin.h: Likewise.
898 * config/i386/att.h: Likewise.
899 * config/i386/avxintrin.h: Likewise.
900 * config/i386/biarch64.h: Likewise.
901 * config/i386/bmmintrin.h: Likewise.
902 * config/i386/cpuid.h: Likewise.
903 * config/i386/cross-stdarg.h: Likewise.
904 * config/i386/crtfastmath.c: Likewise.
905 * config/i386/crtprec.c: Likewise.
906 * config/i386/cygming-crtbegin.c: Likewise.
907 * config/i386/cygming-crtend.c: Likewise.
908 * config/i386/cygwin.asm: Likewise.
909 * config/i386/emmintrin.h: Likewise.
910 * config/i386/gmm_malloc.h: Likewise.
911 * config/i386/gthr-win32.c: Likewise.
912 * config/i386/i386.h: Likewise.
913 * config/i386/immintrin.h: Likewise.
914 * config/i386/linux-unwind.h: Likewise.
915 * config/i386/linux64.h: Likewise.
916 * config/i386/mm3dnow.h: Likewise.
917 * config/i386/mmintrin-common.h: Likewise.
918 * config/i386/mmintrin.h: Likewise.
919 * config/i386/nmmintrin.h: Likewise.
920 * config/i386/pmm_malloc.h: Likewise.
921 * config/i386/pmmintrin.h: Likewise.
922 * config/i386/smmintrin.h: Likewise.
923 * config/i386/sol2-c1.asm: Likewise.
924 * config/i386/sol2-ci.asm: Likewise.
925 * config/i386/sol2-cn.asm: Likewise.
926 * config/i386/sol2-gc1.asm: Likewise.
927 * config/i386/tmmintrin.h: Likewise.
928 * config/i386/unix.h: Likewise.
929 * config/i386/w32-unwind.h: Likewise.
930 * config/i386/wmmintrin.h: Likewise.
931 * config/i386/x86-64.h: Likewise.
932 * config/i386/x86intrin.h: Likewise.
933 * config/i386/xmmintrin.h: Likewise.
934 * config/ia64/crtbegin.asm: Likewise.
935 * config/ia64/crtend.asm: Likewise.
936 * config/ia64/crtfastmath.c: Likewise.
937 * config/ia64/crti.asm: Likewise.
938 * config/ia64/crtn.asm: Likewise.
939 * config/ia64/fde-glibc.c: Likewise.
940 * config/ia64/lib1funcs.asm: Likewise.
941 * config/ia64/linux-unwind.h: Likewise.
942 * config/ia64/quadlib.c: Likewise.
943 * config/ia64/unwind-ia64.c: Likewise.
944 * config/linux.h: Likewise.
945 * config/m32c/m32c-lib1.S: Likewise.
946 * config/m32c/m32c-lib2-trapv.c: Likewise.
947 * config/m32c/m32c-lib2.c: Likewise.
948 * config/m32r/initfini.c: Likewise.
949 * config/m68hc11/larith.asm: Likewise.
950 * config/m68hc11/m68hc11-crt0.S: Likewise.
951 * config/m68k/cf.md: Likewise.
952 * config/m68k/crti.s: Likewise.
953 * config/m68k/crtn.s: Likewise.
954 * config/m68k/lb1sf68.asm: Likewise.
955 * config/m68k/linux-unwind.h: Likewise.
956 * config/mcore/crti.asm: Likewise.
957 * config/mcore/crtn.asm: Likewise.
958 * config/mcore/lib1.asm: Likewise.
959 * config/mips/linux-unwind.h: Likewise.
960 * config/mips/loongson.h: Likewise.
961 * config/mips/mips16.S: Likewise.
962 * config/mmix/crti.asm: Likewise.
963 * config/mmix/crtn.asm: Likewise.
964 * config/pa/fptr.c: Likewise.
965 * config/pa/hpux-unwind.h: Likewise.
966 * config/pa/lib2funcs.asm: Likewise.
967 * config/pa/linux-atomic.c: Likewise.
968 * config/pa/linux-unwind.h: Likewise.
969 * config/pa/milli64.S: Likewise.
970 * config/pa/quadlib.c: Likewise.
971 * config/pa/stublib.c: Likewise.
972 * config/picochip/libgccExtras/adddi3.asm: Likewise.
973 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
974 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
975 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
976 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
977 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
978 * config/picochip/libgccExtras/divmod15.asm: Likewise.
979 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
980 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
981 * config/picochip/libgccExtras/longjmp.asm: Likewise.
982 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
983 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
984 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
985 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
986 * config/picochip/libgccExtras/setjmp.asm: Likewise.
987 * config/picochip/libgccExtras/subdi3.asm: Likewise.
988 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
989 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
990 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
991 * config/rs6000/750cl.h: Likewise.
992 * config/rs6000/altivec.h: Likewise.
993 * config/rs6000/biarch64.h: Likewise.
994 * config/rs6000/crtresfpr.asm: Likewise.
995 * config/rs6000/crtresgpr.asm: Likewise.
996 * config/rs6000/crtresxfpr.asm: Likewise.
997 * config/rs6000/crtresxgpr.asm: Likewise.
998 * config/rs6000/crtsavfpr.asm: Likewise.
999 * config/rs6000/crtsavgpr.asm: Likewise.
1000 * config/rs6000/darwin-asm.h: Likewise.
1001 * config/rs6000/darwin-fallback.c: Likewise.
1002 * config/rs6000/darwin-fpsave.asm: Likewise.
1003 * config/rs6000/darwin-ldouble.c: Likewise.
1004 * config/rs6000/darwin-tramp.asm: Likewise.
1005 * config/rs6000/darwin-unwind.h: Likewise.
1006 * config/rs6000/darwin-vecsave.asm: Likewise.
1007 * config/rs6000/darwin-world.asm: Likewise.
1008 * config/rs6000/e500crtres32gpr.asm: Likewise.
1009 * config/rs6000/e500crtres64gpr.asm: Likewise.
1010 * config/rs6000/e500crtres64gprctr.asm: Likewise.
1011 * config/rs6000/e500crtrest32gpr.asm: Likewise.
1012 * config/rs6000/e500crtrest64gpr.asm: Likewise.
1013 * config/rs6000/e500crtresx32gpr.asm: Likewise.
1014 * config/rs6000/e500crtresx64gpr.asm: Likewise.
1015 * config/rs6000/e500crtsav32gpr.asm: Likewise.
1016 * config/rs6000/e500crtsav64gpr.asm: Likewise.
1017 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1018 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1019 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1020 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1021 * config/rs6000/eabi-ci.asm: Likewise.
1022 * config/rs6000/eabi-cn.asm: Likewise.
1023 * config/rs6000/eabi.asm: Likewise.
1024 * config/rs6000/linux-unwind.h: Likewise.
1025 * config/rs6000/linux64.h: Likewise.
1026 * config/rs6000/paired.h: Likewise.
1027 * config/rs6000/paired.md: Likewise.
1028 * config/rs6000/ppc64-fp.c: Likewise.
1029 * config/rs6000/ppu_intrinsics.h: Likewise.
1030 * config/rs6000/rs6000.h: Likewise.
1031 * config/rs6000/si2vmx.h: Likewise.
1032 * config/rs6000/sol-ci.asm: Likewise.
1033 * config/rs6000/sol-cn.asm: Likewise.
1034 * config/rs6000/spe.h: Likewise.
1035 * config/rs6000/spu2vmx.h: Likewise.
1036 * config/rs6000/sysv4.h: Likewise.
1037 * config/rs6000/tramp.asm: Likewise.
1038 * config/rs6000/vec_types.h: Likewise.
1039 * config/s390/linux-unwind.h: Likewise.
1040 * config/s390/tpf-unwind.h: Likewise.
1041 * config/score/crti.asm: Likewise.
1042 * config/score/crtn.asm: Likewise.
1043 * config/sh/crt1.asm: Likewise.
1044 * config/sh/crti.asm: Likewise.
1045 * config/sh/crtn.asm: Likewise.
1046 * config/sh/divtab-sh4-300.c: Likewise.
1047 * config/sh/divtab-sh4.c: Likewise.
1048 * config/sh/divtab.c: Likewise.
1049 * config/sh/lib1funcs-4-300.asm: Likewise.
1050 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1051 * config/sh/lib1funcs.asm: Likewise.
1052 * config/sh/lib1funcs.h: Likewise.
1053 * config/sh/linux-atomic.asm: Likewise.
1054 * config/sh/linux-unwind.h: Likewise.
1055 * config/sh/shmedia.h: Likewise.
1056 * config/sh/sshmedia.h: Likewise.
1057 * config/sh/ushmedia.h: Likewise.
1058 * config/sparc/crtfastmath.c: Likewise.
1059 * config/sparc/linux-unwind.h: Likewise.
1060 * config/sparc/sol2-c1.asm: Likewise.
1061 * config/sparc/sol2-ci.asm: Likewise.
1062 * config/sparc/sol2-cn.asm: Likewise.
1063 * config/spu/divmodti4.c: Likewise.
1064 * config/spu/divv2df3.c: Likewise.
1065 * config/spu/float_disf.c: Likewise.
1066 * config/spu/float_unsdidf.c: Likewise.
1067 * config/spu/float_unsdisf.c: Likewise.
1068 * config/spu/float_unssidf.c: Likewise.
1069 * config/spu/mfc_multi_tag_release.c: Likewise.
1070 * config/spu/mfc_multi_tag_reserve.c: Likewise.
1071 * config/spu/mfc_tag_release.c: Likewise.
1072 * config/spu/mfc_tag_reserve.c: Likewise.
1073 * config/spu/mfc_tag_table.c: Likewise.
1074 * config/spu/multi3.c: Likewise.
1075 * config/spu/spu_internals.h: Likewise.
1076 * config/spu/spu_intrinsics.h: Likewise.
1077 * config/spu/spu_mfcio.h: Likewise.
1078 * config/spu/vec_types.h: Likewise.
1079 * config/spu/vmx2spu.h: Likewise.
1080 * config/stormy16/stormy16-lib2.c: Likewise.
1081 * config/svr4.h: Likewise.
1082 * config/sync.c: Likewise.
1083 * config/v850/lib1funcs.asm: Likewise.
1084 * config/vxlib-tls.c: Likewise.
1085 * config/vxlib.c: Likewise.
1086 * config/vxworks-dummy.h: Likewise.
1087 * config/xtensa/crti.asm: Likewise.
1088 * config/xtensa/crtn.asm: Likewise.
1089 * config/xtensa/ieee754-df.S: Likewise.
1090 * config/xtensa/ieee754-sf.S: Likewise.
1091 * config/xtensa/lib1funcs.asm: Likewise.
1092 * config/xtensa/lib2funcs.S: Likewise.
1093 * config/xtensa/linux-unwind.h: Likewise.
1094 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1095 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1096 * coretypes.h: Likewise.
1097 * crtstuff.c: Likewise.
1098 * defaults.h: Likewise.
1099 * dwarf2.h: Likewise.
1100 * emutls.c: Likewise.
1101 * gbl-ctors.h: Likewise.
1102 * gcov-io.h: Likewise.
1103 * ginclude/float.h: Likewise.
1104 * ginclude/iso646.h: Likewise.
1105 * ginclude/stdarg.h: Likewise.
1106 * ginclude/stdbool.h: Likewise.
1107 * ginclude/stddef.h: Likewise.
1108 * ginclude/stdfix.h: Likewise.
1109 * ginclude/stdint-gcc.h: Likewise.
1110 * ginclude/tgmath.h: Likewise.
1111 * gthr-aix.h: Likewise.
1112 * gthr-dce.h: Likewise.
1113 * gthr-gnat.c: Likewise.
1114 * gthr-gnat.h: Likewise.
1115 * gthr-lynx.h: Likewise.
1116 * gthr-mipssde.h: Likewise.
1117 * gthr-nks.h: Likewise.
1118 * gthr-posix.c: Likewise.
1119 * gthr-posix.h: Likewise.
1120 * gthr-posix95.h: Likewise.
1121 * gthr-rtems.h: Likewise.
1122 * gthr-single.h: Likewise.
1123 * gthr-solaris.h: Likewise.
1124 * gthr-tpf.h: Likewise.
1125 * gthr-vxworks.h: Likewise.
1126 * gthr-win32.h: Likewise.
1128 * libgcc2.c: Likewise.
1129 * libgcc2.h: Likewise.
1130 * libgcov.c: Likewise.
1131 * tsystem.h: Likewise.
1132 * typeclass.h: Likewise.
1133 * unwind-c.c: Likewise.
1134 * unwind-compat.h: Likewise.
1135 * unwind-dw2-fde-compat.c: Likewise.
1136 * unwind-dw2-fde-darwin.c: Likewise.
1137 * unwind-dw2-fde-glibc.c: Likewise.
1138 * unwind-dw2-fde.c: Likewise.
1139 * unwind-dw2-fde.h: Likewise.
1140 * unwind-dw2.c: Likewise.
1141 * unwind-dw2.h: Likewise.
1142 * unwind-generic.h: Likewise.
1143 * unwind-pe.h: Likewise.
1144 * unwind-sjlj.c: Likewise.
1145 * unwind.inc: Likewise.
1146 * config/arm/neon-gen.ml: Change generated copyright header to
1147 refer to version 3 of the GNU General Public License with
1148 version 3.1 of the GCC Runtime Library Exception and to point
1149 readers at the COPYING3 and COPYING3.RUNTIME files and the
1150 FSF's license web page.
1151 * config/arm/arm_neon.h: Regenerate.
1153 2009-04-09 Jakub Jelinek <jakub@redhat.com>
1155 * config/cris/cris.md: Change copyright header to refer to version
1156 3 of the GNU General Public License.
1157 * doc/install.texi2html: Change copyright header to refer to version
1158 3 of the GNU General Public License and to point readers at the
1159 COPYING3 file and the FSF's license web page.
1160 * config/vax/linux.h: Likewise.
1162 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
1164 * config/i386/i386.md (cmpcc): New.
1165 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1166 (sync_compare_and_swap_cc*): Delete.
1168 * config/s390/s390.c (s390_compare_emitted): Remove.
1169 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1170 s390_compare_emitted used to be handled. Assert that modes match.
1171 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1172 refer to sync_compare_and_swap_ccsi.
1173 * config/s390/s390.h (s390_compare_emitted): Remove.
1174 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1175 instead of s390_compare_emitted.
1176 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1177 instead of s390_compare_emitted.
1178 * config/s390/s390.md (cmpcc): New.
1179 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1180 CC_REGNUM, do not pretend it's set.
1181 (sync_compare_and_swap_cc*): Delete.
1182 * config/s390/predicates.md (cc_reg_operand): New.
1184 * expr.c (sync_compare_and_swap_cc): Delete.
1185 * optabs.h (sync_compare_and_swap_cc): Delete.
1186 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1187 is being used with can_compare_p.
1188 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1190 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1191 look for a MODE_CC set instead. Use emit_store_flag.
1192 (expand_compare_and_swap_loop): Likewise, with some additional
1193 complication to avoid a force_reg when useless. Use
1194 emit_cmp_and_jump_insns.
1195 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1196 * doc/md.texi (sync_compare_and_swap_cc): Merge with
1197 sync_compare_and_swap documentation.
1199 2009-04-09 Jan Hubicka <jh@suse.cz>
1201 * except.c (find_prev_try): Break out from ....
1202 (duplicate_eh_regions): ... here; properly update prev_try pointers
1203 when duplication part of tree.
1204 (dump_eh_tree): Improve dumping.
1205 (verify_eh_region): New.
1206 (verify_eh_tree): Use it.
1208 2009-04-06 Richard Guenther <rguenther@suse.de>
1210 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1211 &ARRAY addresses by adjusting their types and prepending
1213 * tree-cfg.c (verify_gimple_assign_single): Verify that
1214 addresses are correct.
1216 2009-04-09 Richard Guenther <rguenther@suse.de>
1218 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1219 indices into an array reference if possible.
1220 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1221 Fold POINTER_PLUS_EXPR statements with invariant address.
1223 2009-04-09 Alan Modra <amodra@bigpond.net.au>
1226 * config.gcc (powerpc64-*-linux*): Always build biarch.
1228 2009-04-09 Joseph Myers <joseph@codesourcery.com>
1231 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1232 it and pedwarn if this results in an INTEGER_CST.
1234 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1236 * doc/install.texi: Update minimum GMP version. Remove obsolete
1237 text in MPFR section.
1239 2009-04-08 Jakub Jelinek <jakub@redhat.com>
1241 * dwarf2out.c (class_scope_p): New static inline.
1242 (class_or_namespace_scope_p): Use it.
1243 (gen_variable_die): Use DW_TAG_member tag for static data member
1244 declarations instead of DW_TAG_variable.
1247 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1250 2009-04-08 Richard Guenther <rguenther@suse.de>
1252 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1253 valueize random data.
1255 2009-04-08 David Edelsohn <edelsohn@gnu.org>
1257 * config.gcc (aix tm_file): Add aix-stdint.h.
1258 (aix tm clause use_gcc_stdint): Set to wrap.
1259 * config/rs6000/aix-stdint.h: New file.
1261 2009-04-08 Richard Guenther <rguenther@suse.de>
1264 * tree-dfa.c (add_referenced_var): Do not recurse into
1265 global initializers.
1266 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1268 (fold_const_aggregate_ref): Likewise.
1270 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1272 * recog.c (ordered_comparison_operator): New.
1273 * gensupport.c (std_preds): Add it.
1274 * doc/md.texi (Machine-Independent Predicates): Document it.
1276 2009-04-08 Jan Hubicka <jh@suse.cz>
1278 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1279 * function.h (rtl_eh): Remove exception_handler_label_map.
1280 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1281 remove_exception_handler_label, for_each_eh_label_1): Remove.
1282 (rtl_remove_unreachable_regions): Remove.
1283 (convert_from_eh_region_ranges): Do not remove unreachable regions.
1284 (find_exception_handler_labels): Don't build the hashtable.
1285 (maybe_remove_eh_handler): Remove.
1286 (for_each_eh_label): Rewrite to walk the tree.
1287 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1288 * except.h (maybe_remove_eh_handler): Remove.
1289 * passes.c (init_optimization_passes): Schedule second EH cleanup
1291 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1292 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1294 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1296 * genoutput.c (validate_optab_operands): New.
1297 (gen_insn, gen_expand): Call it.
1299 * genflags.c (gen_insn): Detect misused iterators.
1300 (main): Pass line_no to gen_insn, exit with status 1 on error.
1302 * genextract.c (line_no): Make global.
1303 (VEC_safe_set_locstr): Change assertion to error message.
1304 (main): Exit with status 1 on error.
1306 2009-04-08 Joseph Myers <joseph@codesourcery.com>
1310 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1311 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1312 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1313 * c-convert.c (convert): Do not call fold on results of conversion
1314 functions when the result is a C_MAYBE_CONST_EXPR.
1315 * c-parser.c (c_parser_postfix_expression): Do not fold condition
1316 of __builtin_choose_expr.
1317 * c-typeck.c (remove_c_maybe_const_expr): New.
1318 (build_unary_op, build_conditional_expr, build_compound_expr,
1319 build_binary_op, c_objc_common_truthvalue_conversion): Call
1320 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1323 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1325 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
1326 CODE to produce a new one. Add a prototype to use fold_convert_const
1328 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
1331 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1332 mix declarations and code.
1334 2009-04-08 Ben Elliston <bje@au.ibm.com>
1336 * gcc.c: Replace `CC' with `GCC' throughout.
1338 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
1340 * doc/invoke.texi: Document Atom support.
1342 2009-04-07 Jason Merrill <jason@redhat.com>
1345 * c-common.h, c-common.c: Add flag_pretty_templates.
1346 * c-opts.c (c_common_handle_option): Set it.
1347 * c.opt: Add -fno-pretty-templates.
1348 * doc/invoke.texi (C++ Dialect Options): Likewise.
1350 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
1352 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1353 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1354 (ia64_expand_builtin): Likewise.
1356 2009-04-07 Martin Jambor <mjambor@suse.cz>
1358 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1359 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1360 ADDR_EXPRS are include too.
1362 2009-04-07 Richard Guenther <rguenther@suse.de>
1364 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1365 decls are only used if passes as parameters or if they are
1366 local statics and the call is not to a builtin.
1367 (call_may_clobber_ref_p_1): Likewise.
1369 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1371 * expr.c (do_store_flag): Remove last argument. Simplify code
1372 to avoid duplication of tests already done by can_compare_p.
1373 (expand_expr_real_1): Adjust caller.
1375 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1377 * optabs.c (can_compare_p): Test the predicate of a
1378 cbranch and cstore pattern.
1380 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1382 * expr.c (convert_move): Use emit_store_flag instead of
1385 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1387 * config/i386/i386.c (ix86_compare_emitted): Remove.
1388 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1389 ix86_compare_op0 like ix86_compare_emitted used to be handled.
1390 * config/i386/i386.h (ix86_compare_emitted): Remove.
1391 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1392 instead of ix86_compare_emitted.
1393 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1395 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
1397 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1398 Add t-sysroot-suffix to tmake_file.
1399 * config/print-sysroot-suffix.sh: New file.
1400 * config/t-sysroot-suffix: New file.
1402 2009-04-07 Ben Elliston <bje@au.ibm.com>
1404 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1405 as the latter produces a warning when the target does not support
1408 2009-04-07 Ben Elliston <bje@au.ibm.com>
1410 * dfp.c: Replace type punning assignments with memcpy throughout.
1411 * Makefile.in (dfp.o-warn): Remove.
1413 2009-04-07 Alan Modra <amodra@bigpond.net.au>
1416 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1417 Include soft-fp/t-softfp after rs6000/t-linux64.
1419 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
1421 * stor-layout.c (set_sizetype): Use the full precision of their
1422 machine mode for bitsize types.
1424 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
1426 * config/i386/i386.md: Revert 2 accidental checkins.
1428 2009-04-06 Joey Ye <joey.ye@intel.com>
1429 Xuepeng Guo <xuepeng.guo@intel.com>
1430 H.J. Lu <hongjiu.lu@intel.com>
1432 Atom pipeline model, tuning and insn selection.
1433 * config.gcc (atom): Add atom config options and target.
1435 * config/i386/atom.md: New.
1437 * config/i386/i386.c (atom_cost): New cost.
1438 (m_ATOM): New macro flag.
1439 (initial_ix86_tune_features): Set m_ATOM.
1440 (x86_accumulate_outgoing_args): Likewise.
1441 (x86_arch_always_fancy_math_387): Likewise.
1442 (processor_target): Add Atom cost.
1443 (cpu_names): Add Atom cpu name.
1444 (override_options): Set Atom ISA.
1445 (ix86_issue_rate): New case PROCESSOR_ATOM.
1446 (ix86_adjust_cost): Likewise.
1448 * config/i386/i386.h (TARGET_ATOM): New target macro.
1449 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1450 (TARGET_OPT_AGU): New target option.
1451 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1452 (processor_type): Add PROCESSOR_ATOM.
1454 * config/i386/i386.md (cpu): Add new value "atom".
1455 (use_carry, movu): New attr.
1456 (atom.md): Include atom.md.
1457 (adddi3_carry_rex64): Set attr "use_carry".
1458 (addqi3_carry): Likewise.
1459 (addhi3_carry): Likewise.
1460 (addsi3_carry): Likewise.
1461 (*addsi3_carry_zext): Likewise.
1462 (subdi3_carry_rex64): Likewise.
1463 (subqi3_carry): Likewise.
1464 (subhi3_carry): Likewise.
1465 (subsi3_carry): Likewise.
1466 (x86_movdicc_0_m1_rex64): Likewise.
1467 (*x86_movdicc_0_m1_se): Likewise.
1468 (x86_movsicc_0_m1): Likewise.
1469 (*x86_movsicc_0_m1_se): Likewise.
1470 (*adddi_1_rex64): Emit add insn as much as possible.
1471 (*addsi_1): Likewise.
1472 (return_internal): Set atom_unit.
1473 (return_internal_long): Likewise.
1474 (return_pop_internal): Likewise.
1475 (*rcpsf2_sse): Set atom_sse_attr attr.
1476 (*qrt<mode>2_sse): Likewise.
1477 (*prefetch_sse): Likewise.
1479 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1481 (ix86_target_macros_internal): Likewise.
1483 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1484 (*prefetch_sse_rex): Likewise.
1485 (sse_rcpv4sf2): Likewise.
1486 (sse_vmrcpv4sf2): Likewise.
1487 (sse_sqrtv4sf2): Likewise.
1488 (<sse>_vmsqrt<mode>2): Likewise.
1489 (sse_ldmxcsr): Likewise.
1490 (sse_stmxcsr): Likewise.
1491 (*sse_sfence): Likewise.
1492 (sse2_clflush): Likewise.
1493 (*sse2_mfence): Likewise.
1494 (*sse2_lfence): Likewise.
1495 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1496 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1497 (avx_movdqu<avxmodesuffix>): Likewise.
1498 (avx_lddqu<avxmodesuffix>): Likewise.
1499 (sse2_movntv2di): Change attr "type" to "ssemov".
1500 (sse2_movntsi): Likewise.
1501 (rsqrtv8sf2): Change attr "type" to "sseadd".
1502 (sse3_addsubv2df3): Set attr "atom_unit".
1503 (sse3_h<plusminus_insn>v4sf3): Likewise.
1504 (*sse2_pmaddwd): Likewise.
1505 (*vec_extractv2di_1_rex64): Likewise.
1506 (*vec_extractv2di_1_avx): Likewise.
1507 (sse2_psadbw): Likewise.
1508 (ssse3_phaddwv8hi3): Likewise.
1509 (ssse3_phaddwv4hi3): Likewise.
1510 (ssse3_phadddv4si3): Likewise.
1511 (ssse3_phadddv2si3): Likewise.
1512 (ssse3_phaddswv8hi3): Likewise.
1513 (ssse3_phaddswv4hi3): Likewise.
1514 (ssse3_phsubwv8hi3): Likewise.
1515 (ssse3_phsubwv4hi3): Likewise.
1516 (ssse3_phsubdv4si3): Likewise.
1517 (ssse3_phsubdv2si3): Likewise.
1518 (ssse3_phsubswv8hi3): Likewise.
1519 (ssse3_phsubswv4hi3): Likewise.
1520 (ssse3_pmaddubsw128): Likewise.
1521 (sse3_pmaddubsw: Likewise.
1522 (ssse3_palignrti): Likewise.
1523 (ssse3_palignrdi): Likewise.
1525 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1527 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1529 2009-04-06 Richard Guenther <rguenther@suse.de>
1531 PR tree-optimization/28868
1532 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1533 of which PHI results we inserted.
1534 (insert_into_preds_of_block): Record inserted PHIs.
1535 (eliminate): Eliminate redundant PHI nodes.
1536 (init_pre): Init inserted_phi_names.
1538 2009-04-06 Richard Guenther <rguenther@suse.de>
1540 PR tree-optimization/39643
1541 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1542 IMAGPART_EXPRs of complex constants.
1543 (execute_fold_all_builtins): If we folded a call queue
1544 TODO_update_address_taken.
1546 2009-04-06 Jan Hubicka <jh@suse.cz>
1549 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1552 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1554 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1556 (ic_invalidate_array): Likewise.
1558 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1560 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1561 alignment for library calls.
1563 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1565 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1566 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1567 * config/i386/mingw-stdint.h: New file.
1569 2009-04-05 Richard Guenther <rguenther@suse.de>
1571 PR tree-optimization/39648
1572 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1573 our &A vs. &A[0] IL deficiencies.
1575 2009-04-04 Jan Hubicka <jh@suse.cz>
1577 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1578 removed toplevel regions.
1579 (sjlj_mark_call_sites): Likewise.
1581 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1583 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1584 (cygwin tm clause use_gcc_stdint): Set to wrap.
1585 * config/i386/cygwin-stdint.h: New file.
1587 2009-04-04 Richard Guenther <rguenther@suse.de>
1589 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1590 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1591 single-argument PHIs if we are in loop-closed SSA form.
1592 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1593 for the pre-condition.
1594 (slpeel_tree_peel_loop_to_edge): Likewise.
1595 (vect_build_loop_niters): Take an optional sequence to append stmts.
1596 (vect_generate_tmps_on_preheader): Likewise.
1597 (vect_do_peeling_for_loop_bound): Take extra guards for the
1599 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1600 the cost model check.
1601 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1602 guards if we are going to peel. Do not apply versioning in that case.
1603 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1604 (vect_do_peeling_for_loop_bound): Likewise.
1605 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1606 loop bound only record extra pre-conditions, do not apply loop
1609 2009-04-04 Richard Guenther <rguenther@suse.de>
1611 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1614 2009-04-04 Jan Hubicka <jh@suse.cz>
1616 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1617 last_basic_block for size of bb->index indexed array.
1618 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1619 compute_out, link_btr_uses, build_btr_def_use_webs,
1620 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1622 2009-04-04 Jan Hubicka <jh@suse.cz>
1624 * except.c (remove_eh_handler_and_replace): Break out from ...
1625 (remove_eh_handler): ... here.
1626 (bring_to_root): New function.
1627 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1628 handled ones, bring others to root of tree.
1630 2009-04-04 Jan Hubicka <jh@suse.cz>
1632 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1633 (all_phis_safe_to_merge): New function.
1634 (update_info): New structure.
1635 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1636 (cleanup_empty_eh): Update SSA if possible.
1638 2009-04-04 Richard Guenther <rguenther@suse.de>
1640 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1641 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1642 (append_vuse): Likewise.
1644 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1646 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1647 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1648 instead of REG_UNSAVED for DW_CFA_undefined.
1649 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1650 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1653 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1656 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1657 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1658 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1660 2009-04-04 Richard Guenther <rguenther@suse.de>
1662 PR tree-optimization/8781
1663 PR tree-optimization/37892
1664 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1665 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1666 (valueize_refs): Call it for *& valueizations.
1667 (shared_reference_ops_from_ref): Rename to ...
1668 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1669 (shared_reference_ops_from_call): Rename to ...
1670 (valueize_shared_reference_ops_from_call): ... this and valueize.
1671 (vn_reference_lookup): Update.
1672 (visit_reference_op_call): Likewise.
1673 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1674 (eliminate): Value-replace the call address in call statements.
1676 2009-04-04 Richard Guenther <rguenther@suse.de>
1678 PR tree-optimization/39636
1679 * tree-ssa-forwprop.c
1680 (forward_propagate_addr_into_variable_array_index): Check for
1681 GIMPLE_ASSIGN before accessing the rhs code.
1683 2009-04-03 Jason Merrill <jason@redhat.com>
1685 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1687 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1689 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1690 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1691 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1692 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1693 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1694 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1695 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1696 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1697 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1698 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1699 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1700 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1701 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1702 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1703 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1704 Use fr_reg_or_fp01_operand instead of fr_register_operand
1706 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1707 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1708 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1710 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1712 PR rtl-optimization/39607
1713 PR rtl-optimization/39631
1717 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1718 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1719 instead of DF_LR_OUT.
1720 * ira-lives.c (process_bb_node_lives): Ditto.
1721 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1722 instead of DF_LR_{OUT,IN}.
1723 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1724 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1726 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1728 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1729 (execute_lower_omp): Always run but take the short way out if -fopenmp
1731 (gate_lower_omp): Remove, forcing the pass manager to always run the
1732 pass and always set PROP_gimple_lomp.
1733 (pass_lower_omp): Remove gate function.
1734 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1735 PROP_trees. Instead, require it.
1736 * ipa-cp.c (pass_ipa_cp): Likewise.
1737 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1738 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1739 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1740 and PROP_gimple_leh.
1742 2009-04-03 Richard Guenther <rguenther@suse.de>
1745 PR tree-optimization/23940
1746 PR tree-optimization/33237
1749 PR tree-optimization/36201
1750 PR tree-optimization/36230
1751 PR tree-optimization/38049
1752 PR tree-optimization/38207
1753 PR tree-optimization/38230
1754 PR tree-optimization/38301
1755 PR tree-optimization/38585
1757 PR tree-optimization/38985
1758 PR tree-optimization/39299
1759 * tree-ssa-structalias.h: Remove.
1760 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1761 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1762 (struct vuse_element_d): Remove.
1763 (struct vuse_vec_d): Likewise.
1764 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1765 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1766 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1767 VUSE_ELEMENT_VAR): Likewise.
1768 (struct voptype_d): Likewise.
1769 (NUM_VOP_FREE_BUCKETS): Likewise.
1770 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1771 (struct stmt_operands_d): Remove.
1772 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1773 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1774 VDEF_NUM, VDEF_VECT): Likewise.
1775 (copy_virtual_operands): Remove.
1776 (operand_build_cmp): Likewise.
1777 (create_ssa_artificial_load_stmt): Likewise.
1778 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1779 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1780 vuse_index and mayuse_index members. Pack and move done and iter_type
1781 members to the front.
1782 (SSA_OP_VMAYUSE): Remove.
1783 (SSA_OP_VIRTUAL_USES): Adjust.
1784 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1785 (unlink_stmt_vdef): Declare.
1786 (add_to_addressable_set): Remove.
1787 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1788 (vrp_visit_stmt): Likewise.
1789 * doc/tree-ssa.texi (Alias analysis): Update.
1790 * doc/invoke.texi (max-aliased-vops): Remove docs.
1791 (avg-aliased-vops): Likewise.
1792 * tree-into-ssa.c (syms_to_rename): Remove.
1793 (need_to_update_vops_p): Likewise.
1794 (need_to_initialize_update_ssa_p): Rename to ...
1795 (update_ssa_initialized_fn): ... this. Track function we are
1797 (symbol_marked_for_renaming): Simplify.
1798 (add_new_name_mapping): Do not set need_to_update_vops_p.
1799 (dump_currdefs): Use SYMS_TO_RENAME.
1800 (rewrite_update_stmt): Always walk all uses/defs.
1801 (dump_update_ssa): Adjust.
1802 (init_update_ssa): Take function argument. Track what we are
1804 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1805 (create_new_def_for): Initialize for cfun, assert we are initialized
1807 (mark_sym_for_renaming): Simplify.
1808 (mark_set_for_renaming): Do not initialize update-ssa.
1809 (need_ssa_update_p): Simplify. Take function argument.
1810 (name_mappings_registered_p): Assert we ask for the correct function.
1811 (name_registered_for_update_p): Likewise.
1812 (ssa_names_to_replace): Likewise.
1813 (release_ssa_name_after_update_ssa): Likewise.
1814 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1815 (dump_decl_set): Do not print a newline.
1816 (debug_decl_set): Do it here.
1817 (dump_update_ssa): And here.
1818 * tree-ssa-loop-im.c (move_computations): Adjust.
1819 (movement_possibility): Likewise.
1820 (determine_max_movement): Likewise.
1821 (gather_mem_refs_stmt): Likewise.
1822 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1824 * tree-complex.c (update_all_vops): Remove.
1825 (expand_complex_move): Adjust.
1826 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1827 Simplify test for memory referencing statement. Exclude
1828 non-invariant ADDR_EXPRs.
1829 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1830 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1831 (rdg_flag_uses): Likewise.
1832 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1834 (tree_optimize_tail_calls_1): Also split the
1835 edge from the entry block if we have degenerate PHI nodes in
1836 the first basic block.
1837 * tree.c (init_ttree): Remove memory-tag related code.
1838 (tree_code_size): Likewise.
1839 (tree_node_structure): Likewise.
1840 (build7_stat): Re-write to be build6_stat.
1841 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1842 (SSA_VAR_P): Adjust.
1843 (struct tree_memory_tag): Remove.
1844 (struct tree_memory_partition_tag): Likewise.
1845 (union tree_node): Adjust.
1846 (build7): Re-write to be build6.
1847 * tree-pass.h (pass_reset_cc_flags): Remove.
1848 (TODO_update_address_taken): New flag.
1849 (pass_simple_dse): Remove.
1850 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1851 * params.h (MAX_ALIASED_VOPS): Remove.
1852 (AVG_ALIASED_VOPS): Likewise.
1853 * omp-low.c (expand_omp_taskreg): Update SSA form.
1854 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1855 aliases the lhs in a copy stmt.
1856 * tree-ssa-dse.c (struct address_walk_data): Remove.
1857 (memory_ssa_name_same): Likewise.
1858 (memory_address_same): Likewise.
1859 (get_kill_of_stmt_lhs): Likewise.
1860 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1861 unused stores. Look through PHI nodes into post-dominated regions.
1862 (dse_optimize_stmt): Simplify. Properly remove stores.
1863 (tree_ssa_dse): Compute dominators.
1864 (execute_simple_dse): Remove.
1865 (pass_simple_dse): Likewise.
1866 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1867 gimple_loaded_syms and gimple_stored_syms computation.
1868 * toplev.c (dump_memory_report): Dump alias and pta stats.
1869 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1870 (vn_reference_eq): Likewise.
1871 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1872 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1873 valueize_vuses): Remove.
1874 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1875 (get_def_ref_stmt_vuse): ... this.
1876 (vn_reference_lookup_2): New function.
1877 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1878 walking equivalent vuses. Simplify.
1879 (vn_reference_lookup): Likewise.
1880 (vn_reference_insert): Likewise.
1881 (vn_reference_insert_pieces): Likewise.
1882 (visit_reference_op_call): Simplify.
1883 (visit_reference_op_load): Likewise.
1884 (visit_reference_op_store): Likewise.
1885 (init_scc_vn): Remove shared_lookup_vuses initialization.
1886 (free_scc_vn): Remove shared_lookup_vuses freeing.
1887 (sort_vuses, sort_vuses_heap): Remove.
1888 (get_ref_from_reference_ops): Export.
1889 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1890 vector with single vuse pointer.
1891 (vn_reference_lookup_pieces, vn_reference_lookup,
1892 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1893 (shared_vuses_from_stmt): Remove.
1894 (get_ref_from_reference_ops): Declare.
1895 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1896 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1897 memory-tag related code.
1898 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1899 (likely_value): Add comment, skip static-chain of call statements.
1900 (surely_varying_stmt_p): Adjust.
1901 (gimplify_and_update_call_from_tree): Likewise.
1902 (execute_fold_all_builtins): Do not rebuild alias info.
1903 (gimplify_and_update_call_from_tree): Properly update VOPs.
1904 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1905 (copy_ref_info): Remove memory-tag related code.
1906 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1907 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1908 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1910 * tree-ssa-dom.c (gimple_p): Remove typedef.
1911 (eliminate_redundant_computations): Adjust.
1912 (record_equivalences_from_stmt): Likewise.
1913 (avail_expr_hash): Likewise.
1914 (avail_expr_eq): Likewise.
1915 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1916 (stmt_makes_single_load): Likewise.
1917 (stmt_makes_single_store): Likewise.
1918 * tree-ssa-alias.c: Rewrite completely.
1919 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1920 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1921 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1922 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1923 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1924 Remove public functions.
1925 (pass_reset_cc_flags): Remove.
1926 (pass_build_alias): Move ...
1927 * tree-ssa-structalias.c (pass_build_alias): ... here.
1928 * tree-ssa-alias.c (may_be_aliased): Move ...
1929 * tree-flow-inline.h (may_be_aliased): ... here.
1930 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1931 count_uses_and_derefs): Move ...
1932 * gimple.c: ... here.
1933 * gimple.h (count_uses_and_derefs): Declare.
1934 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1935 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1936 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1937 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1938 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1939 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1940 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1942 * tree-dfa.c (refs_may_alias_p): Move ...
1943 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1944 * tree-ssa-alias.h: New file.
1945 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1946 (statement_sink_location): Likewise.
1947 * opts.c (decode_options): Do not adjust max-aliased-vops or
1948 avg-aliased-vops values.
1949 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1950 (TV_CALL_CLOBBER): Likewise.
1951 (TV_FLOW_SENSITIVE): Likewise.
1952 (TV_FLOW_INSENSITIVE): Likewise.
1953 (TV_MEMORY_PARTITIONING): Likewise.
1954 (TV_ALIAS_STMT_WALK): New timevar.
1955 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1956 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1957 (get_address_description): Remove memory-tag related code.
1958 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1959 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1960 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1961 and immediate uses in statements. Document.
1962 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1963 (dump_symbols): Remove.
1964 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1965 * alias.c (get_deref_alias_set): New function split out from ...
1966 (get_alias_set): ... here.
1967 * alias.h (get_deref_alias_set): Declare.
1968 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1969 type parameter. Remove restrict pointer handling. Create a
1970 ref-all pointer in case type-based alias sets do not conflict.
1971 (vect_analyze_data_refs): Remove SMT related code.
1972 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1973 (vectorizable_load): Likewise.
1974 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1975 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1976 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1977 Ignore vops and SMTs.
1978 (dr_analyze_alias): Likewise..
1979 (free_data_ref): Likewise.
1980 (create_data_ref): Likewise.
1981 (analyze_all_data_dependences): Likewise.
1982 (get_references_in_stmt): Adjust.
1983 * tree-flow-inline.h (gimple_aliases_computed_p,
1984 gimple_addressable_vars, gimple_call_clobbered_vars,
1985 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1986 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1987 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1988 gimple_mem_ref_stats): Remove.
1989 (gimple_vop): New function.
1990 (op_iter_next_use): Remove vuses and mayuses cases.
1991 (op_iter_next_def): Remove vdefs case.
1992 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1993 (clear_and_done_ssa_iter): Do not set removed fields.
1994 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1995 Assert we are not iterating over vuses or vdefs if not also
1996 iterating over uses or defs.
1997 (op_iter_init_use): Likewise.
1998 (op_iter_init_def): Likewise.
1999 (op_iter_next_vdef): Remove.
2000 (op_iter_next_mustdef): Likewise.
2001 (op_iter_init_vdef): Likewise.
2002 (compare_ssa_operands_equal): Likewise.
2003 (link_use_stmts_after): Handle vuse operand.
2004 (is_call_used): Use is_call_clobbered.
2005 (is_call_clobbered): Global variables are always call clobbered,
2006 query the call-clobbers bitmap.
2007 (mark_call_clobbered): Ignore global variables.
2008 (clear_call_clobbered): Likewise.
2009 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2010 virtual operands sanity check.
2011 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2013 (TARGET_MEM_REF): Remove TMR_TAG operand.
2014 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2015 Remove call-clobber related code.
2016 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
2017 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2018 partitions or escape reason.
2019 (get_single_def_stmt, get_single_def_stmt_from_phi,
2020 get_single_def_stmt_with_phi): Remove.
2021 (dump_referenced_vars): Tidy.
2022 (get_ref_base_and_extent): Allow bare decls.
2023 (collect_dfa_stats): Adjust.
2024 * graphite.c (rename_variables_in_stmt): Adjust.
2025 (graphite_copy_stmts_from_block): Likewise.
2026 (translate_clast): Likewise.
2027 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2029 (translate_vuse_through_block): Use the oracle.
2030 (phi_translate_1): Adjust.
2031 (value_dies_in_block_x): Use the oracle. Cache the outcome
2033 (valid_in_sets): Check if the VUSE for
2034 a REFERENCE is available.
2035 (eliminate): Do not remove stmts during elimination,
2036 instead queue and remove them afterwards.
2037 (do_pre): Do not rebuild alias info.
2038 (pass_pre): Run TODO_rebuild_alias before PRE.
2039 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2040 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2041 (mark_all_v_defs_stmt): Remove.
2042 (mark_all_v_defs_seq): Adjust.
2043 (sra_replace): Likewise.
2044 (scalarize_use): Likewise.
2045 (scalarize_copy): Likewise.
2046 (scalarize_init): Likewise.
2047 (scalarize_ldst): Likewise.
2048 (todoflags): Remove.
2049 (tree_sra): Do not rebuild alias info.
2050 (tree_sra_early): Adjust.
2051 (pass_sra): Run TODO_update_address_taken before SRA.
2052 * tree-predcom.c (set_alias_info): Remove.
2053 (prepare_initializers_chain): Do not call it.
2054 (mark_virtual_ops_for_renaming): Adjust.
2055 (mark_virtual_ops_for_renaming_list): Remove.
2056 (initialize_root_vars): Adjust.
2057 (initialize_root_vars_lm): Likewise.
2058 (prepare_initializers_chain): Likewise.
2059 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2060 (may_propagate_copy_into_stmt): Likewise.
2061 (merge_alias_info): Do nothing for now.
2062 (propagate_tree_value_into_stmt): Adjust.
2063 (stmt_may_generate_copy): Likewise.
2064 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2065 not mark symbols for renaming.
2066 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2067 with the same statement, make sure to update the new pointed-to one.
2068 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2069 call statements, do not mark symbols for renaming.
2070 (mark_operand_necessary): Dump something.
2071 (ref_may_be_aliased): New function.
2072 (mark_aliased_reaching_defs_necessary_1): New helper function.
2073 (mark_aliased_reaching_defs_necessary): Likewise.
2074 (mark_all_reaching_defs_necessary_1): Likewise.
2075 (mark_all_reaching_defs_necessary): Likewise.
2076 (propagate_necessity): Do not process virtual PHIs. For
2077 non-aliased loads mark all reaching definitions as necessary.
2078 For aliased loads and stores mark the immediate dominating
2079 aliased clobbers as necessary.
2080 (visited): New global static.
2081 (perform_tree_ssa_dce): Free visited bitmap after propagating
2083 (remove_dead_phis): Perform simple dead virtual PHI removal.
2084 (remove_dead_stmt): Properly unlink virtual operands when
2086 (eliminate_unnecessary_stmts): Schedule PHI removal after
2088 * tree-ssa-ter.c (is_replaceable_p): Adjust.
2089 (process_replaceable): Likewise.
2090 (find_replaceable_in_bb): Likewise.
2091 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2092 based on the single gimple vop.
2093 (verify_flow_insensitive_alias_info): Remove.
2094 (verify_flow_sensitive_alias_info): Likewise.
2095 (verify_call_clobbering): Likewise.
2096 (verify_memory_partitions): Likewise.
2097 (verify_alias_info): Likewise.
2098 (verify_ssa): Adjust..
2099 (execute_update_addresses_taken): Export. Update SSA
2100 manually. Optimize only when optimizing. Use a local bitmap.
2101 (pass_update_address_taken): Remove TODO_update_ssa, add
2103 (pass_update_address_taken): Just use TODO_update_address_taken.
2104 (init_tree_ssa): Do not initialize addressable_vars.
2105 (verify_ssa): Verify new VUSE / VDEF properties.
2106 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2107 Do not call verify_alias_info.
2108 (delete_tree_ssa): Clear the VUSE, VDEF operands.
2109 Do not free the loaded and stored syms bitmaps. Reset the escaped
2110 and callused solutions. Do not free addressable_vars.
2111 Remove memory-tag related code.
2112 (warn_uninitialized_var): Aliases are always available.
2113 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2114 * lambda-code.c (can_put_in_inner_loop): Adjust.
2115 (can_put_after_inner_loop): Likewise.
2116 (perfect_nestify): Likewise.
2117 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2118 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2119 (vectorizable_conversion): Do not mark symbols for renaming.
2120 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2121 (expand_call_inline): Unlink the calls virtual operands before
2123 (tree_function_versioning): Do not call update_ssa if we are not
2124 updating clones. Simplify.
2125 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2126 (propagate_with_phi): Likewise..
2127 * tree-outof-ssa.c (create_temp): Remove memory tag and call
2128 clobber code. Assert we are not aliased or global.
2129 * tree-flow.h: Include tree-ssa-alias.h
2130 (enum escape_type): Remove.
2131 (struct mem_sym_stats_d): Likewise.
2132 (struct mem_ref_stats_d): Likewise.
2133 (struct gimple_df): Add vop member. Remove global_var,
2134 call_clobbered_vars, call_used_vars, addressable_vars,
2135 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
2136 escaped and callused members.
2137 (struct ptr_info_def): Remove all members, add points-to solution
2139 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2140 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2141 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2142 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2143 (tree-ssa-alias.o): Likewise.
2144 (toplev.o): Add tree-ssa-alias.h
2145 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2146 * gimple.c (gimple_set_bb): Fix off-by-one error.
2147 (is_gimple_reg): Do not handle memory tags.
2148 (gimple_copy): Also copy virtual operands.
2149 Delay updating the statement. Do not reset loaded and stored syms.
2150 (gimple_set_stored_syms): Remove.
2151 (gimple_set_loaded_syms): Likewise.
2152 (gimple_call_copy_skip_args): Copy the virtual operands
2153 and mark the new statement modified.
2154 * tree-ssa-structalias.c (may_alias_p): Remove.
2155 (set_uids_in_ptset): Take the alias set to prune with as
2156 parameter. Fold in the alias test of may_alias_p.
2157 (compute_points_to_sets): Compute whether a ptr is dereferenced
2159 (process_constraint): Deal with &ANYTHING on the lhs, reject all
2160 other ADDRESSOF constraints on the lhs.
2161 (get_constraint_for_component_ref): Assert that we don't get
2162 ADDRESSOF constraints from the base of the reference.
2163 Properly generate UNKNOWN_OFFSET for DEREF if needed.
2164 (struct variable_info): Remove collapsed_to member.
2165 (get_varinfo_fc): Remove.
2166 (new_var_info): Do not set collapsed_to.
2167 (dump_constraint): Do not follow cycles.
2168 (dump_constraint_graph): Likewise.
2169 (build_pred_graph): Likewise.
2170 (build_succ_graph): Likewise.
2171 (rewrite_constraints): Likewise.
2172 (do_simple_structure_copy): Remove.
2173 (do_rhs_deref_structure_copy): Remove.
2174 (do_lhs_deref_structure_copy): Remove.
2175 (collapse_rest_of_var): Remove.
2176 (do_structure_copy): Re-implement.
2177 (pta_stats): New global variable.
2178 (dump_pta_stats): New function.
2179 (struct constraint_expr): Make offset signed.
2180 (UNKNOWN_OFFSET): Define special value.
2181 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2182 (solution_set_expand): New helper function split out from ...
2183 (do_sd_constraint): ... here.
2184 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
2185 (do_ds_constraint): Likewise.
2186 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
2187 and CALLUSED = *CALLUSED.
2188 (set_union_with_increment): Make inc argument signed.
2189 (type_safe): Remove.
2190 (get_constraint_for_ptr_offset): Handle unknown and negative
2192 (first_vi_for_offset): Handle offsets before start. Bail
2193 out early for offsets beyond the variable extent.
2194 (first_or_preceding_vi_for_offset): New function.
2195 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2196 Together with ESCAPED = *ESCAPED this properly computes reachability.
2197 (find_what_var_points_to): New function.
2198 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2199 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2200 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2201 pt_solutions_intersect): New functions.
2202 (compute_call_used_vars): Remove.
2203 (compute_may_aliases): New main entry into PTA computation.
2204 * gimple.h (gimple_p): New typedef.
2205 (struct gimple_statement_base): Remove references_memory_p.
2206 (struct gimple_statement_with_memory_ops_base): Remove
2207 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
2209 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2210 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2211 gimple_set_references_memory): Remove.
2212 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2213 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2215 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2216 (verify_expr): Allow RESULT_DECL.
2217 (gimple_duplicate_bb): Do not copy virtual operands.
2218 (gimple_duplicate_sese_region): Adjust.
2219 (gimple_duplicate_sese_tail): Likewise.
2220 (mark_virtual_ops_in_region): Remove.
2221 (move_sese_region_to_fn): Do not call it.
2222 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2223 and pass_simple_dse.
2224 (execute_function_todo): Handle TODO_update_address_taken,
2225 call execute_update_addresses_taken for TODO_rebuild_alias.
2226 (execute_todo): Adjust.
2227 (execute_one_pass): Init dump files early.
2228 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2230 (create_general_new_stmt): Clear vops.
2231 * tree-ssa-reassoc.c (get_rank): Adjust.
2232 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2233 symbols for renaming.
2234 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2235 (PARAM_AVG_ALIASED_VOPS): Likewise.
2236 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2237 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2238 * tree-ssa-operands.c: Simplify for new virtual operand representation.
2239 (operand_build_cmp, copy_virtual_operands,
2240 create_ssa_artificial_load_stmt, add_to_addressable_set,
2241 gimple_add_to_addresses_taken): Remove public functions.
2242 (unlink_stmt_vdef): New function.
2244 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2246 * config.gcc (powerpc-*-linux*): Merge variants.
2248 2009-04-02 Chao-ying Fu <fu@mips.com>
2249 James Grosbach <james.grosbach@microchip.com>
2251 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2252 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2254 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2255 keep_interrupts_masked_p, use_debug_exception_return_p.
2256 (mips_attribute_table): Add interrupt, use_shadow_register_set,
2257 keep_interrupts_masked, use_debug_exception_return.
2258 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2259 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2261 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2262 (mips_print_operand): Process COP0 registers to print $0 .. $31
2263 correctly for GAS to process.
2264 (mips_interrupt_extra_call_saved_reg_p): New function.
2265 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2267 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2268 (mips_compute_frame_info): Add supports for interrupt context that
2269 includes doubleword accumulators and COP0 registers.
2270 (mips_for_each_saved_acc): New function.
2271 (mips_for_each_saved_gpr_and_fpr): Change the function name from
2272 mips_for_each_saved_reg.
2273 (mips_save_reg): Save accumulators.
2274 (mips_kernel_reg_p): A new for_each_rtx callback.
2275 (mips_expand_prologue): Support interrupt handlers.
2276 (mips_restore_reg): Restore accumulators.
2277 (mips_expand_epilogue): Support interrupt handlers.
2278 (mips_can_use_return_insn): Return false for interrupt handlers.
2279 (mips_epilogue_uses): New function.
2280 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2281 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2282 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2283 cop0_move): New instructions.
2284 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2285 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2287 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2289 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2290 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2291 interrupt handlers, we use K0 as the temporary register.
2292 (EPILOGUE_USES): Change to a function call.
2293 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2294 handlers, we use K0 as the temporary register.
2296 * doc/extend.texi (Function Attributes): Document interrupt,
2297 use_shadow_register_set, keep_interrupts_masked,
2298 use_debug_exception_return for MIPS attributes.
2300 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2302 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2303 Remove a number of t-files from tmake_file.
2304 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2305 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2306 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2307 target_prototype, not TARGET_PROTOTYPE.
2308 (LINK_OS_GNU_SPEC): Define.
2309 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2310 and darwin-ldoubdle.c.
2312 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
2315 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2316 (cpp_options): Ditto.
2317 (default_compilers): Ditto.
2318 (display_help): Ditto.
2319 (process_command): Ditto.
2321 (set_input): Use lbasename instead of duplicate code.
2322 (save_temps_prefix): New static for -save-temps=obj.
2323 (save_temps_length): Ditto.
2325 * doc/invoke.texi (-save-temps=obj): Document new variant to
2328 2009-04-02 Jeff Law <law@redhat.com>
2330 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2333 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2335 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2336 * configure: Regenerated.
2338 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2340 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2341 share the argument list.
2343 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2347 2009-02-12 Diego Novillo <dnovillo@google.com>
2349 * varpool.c (debug_varpool): New.
2350 * cgraph.h (debug_varpool): Declare.
2352 2009-04-02 Jan Hubicka <jh@suse.cz>
2354 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2357 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2359 * config/i386/i386.c (ix86_abi): Move initialization to ...
2360 (override_options): Here.
2362 2009-04-02 Christian Bruel <christian.bruel@st.com>
2364 * config/sh/sh.c (sh_dwarf_register_span): New function.
2365 (TARGET_DWARF_REGISTER_SPAN): Define.
2366 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2368 2009-04-02 Ira Rosen <irar@il.ibm.com>
2370 PR tree-optimization/39595
2371 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
2372 interleaved loads group is not greater than the SLP group size.
2374 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2376 * builtins.c (is_builtin_name): New.
2377 (called_as_built_in): Use is_builtin_name.
2378 * tree.h (is_builtin_name): New.
2379 * varasm.c (incorporeal_function_p): Use is_builtin_name
2381 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
2383 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2385 2009-04-02 Dodji Seketeli <dodji@redhat.com>
2388 * c-decl.c (clone_underlying_type): Move this ...
2389 * c-common.c (set_underlying_type): ... here.
2390 Also, make sure the function properly sets TYPE_STUB_DECL() on
2391 the newly created typedef variant type.
2392 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2393 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2396 2009-04-02 Richard Guenther <rguenther@suse.de>
2398 PR tree-optimization/37221
2399 * tree-flow.h (degenerate_phi_result): Declare.
2400 * tree-ssa-dom.c (degenerate_phi_result): Export.
2401 * tree-scalar-evolution.c (analyze_initial_condition): If
2402 the initial condition is defined by a degenerate PHI node
2403 use the degenerate value.
2405 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
2407 PR rtl-optimization/39588
2408 * combine.c (merge_outer_ops): Do not set the constant when this
2410 (simplify_shift_const_1): Do not modify it either in this case.
2412 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
2414 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2415 tuning is deprecated if -mtune value is set to an Itanium1 variant.
2417 2009-04-01 Janis Johnson <janis187@us.ibm.com>
2420 * c-lex.c (interpret_float): Default (no suffix) is double.
2422 2009-04-1 Xinliang David Li <davidxl@google.com>
2424 * config/i386/i386.c (legitimate_constant_p): Recognize
2425 all one vector constant.
2427 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2429 * gcc/config/vax/vax.c: Add #includes to silence warnings.
2430 Change #include order to silence two warnings.
2432 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2434 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2435 (ASM_SPEC): Pass -k to the assembler for PIC code.
2437 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2439 * gcc/config.gcc: Add vax-*-linux* to the switch.
2440 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2441 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2443 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2445 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2446 Use predicate macros instead of GET_CODE() == foo.
2447 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2448 ashlsi3, rotrsi3, <unnamed>): Likewise.
2450 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2452 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2453 jbbccihi, jbbccisi): Remova trailing whitespace.
2454 * gcc/config/vax/constraints.md: Likewise.
2455 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2456 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2457 * gcc/config/vax/predicates.md: Likewise.
2458 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2459 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2460 * gcc/config/vax/vax.h: Likewise.
2461 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2463 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2465 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2466 (indirectable_address_p, adjacent_operands_p): Add spaces around
2468 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2470 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2472 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2473 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2474 index_term_p, reg_plus_index_p, legitimate_address_p,
2475 vax_mode_dependent_address_p): Update comments to match functions
2476 modified by the recent int->bool conversion.
2478 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2480 * gcc/config/vax/builtins.md: Update copyright message.
2481 * gcc/config/vax/constraints.md: Likewise.
2482 * gcc/config/vax/netbsd-elf.h: Likewise.
2483 * gcc/config/vax/predicates.md: Likewise.
2484 * gcc/config/vax/vax-protos.h: Likewise.
2485 * gcc/config/vax/vax.c: Likewise.
2486 * gcc/config/vax/vax.h: Likewise.
2487 * gcc/config/vax/vax.md: Likewise.
2488 * gcc/config/vax/vax.opt: Likewise.
2490 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2492 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2493 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2494 * gcc/config/vax/constraints.md (B, R): Likewise.
2495 * gcc/config/vax/predicates.md (external_memory_operand,
2496 nonimmediate_addsub_di_operand): Likewise.
2497 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2498 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2499 untyped_call): Likewise.
2501 2009-04-01 Matt Thomas <matt@3am-software.com>
2503 * config/vax/predicates.md: New file.
2504 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2505 external_const_operand, nonsymbolic_operand, external_memory_operand,
2506 indirect_memory_operand, indexed_memory_operand,
2507 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2508 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2510 * config/vax/constraints.md: New file.
2511 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2513 * config/vax/builtins.md: New file.
2514 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2515 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2517 * config/vax/vax.opt (mqmath): Add option.
2518 * config/vax/vax.md (isfx): Extend with DI.
2519 (VAXintQH, VAXintQHSD): Define.
2520 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2521 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2522 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2523 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2524 (movdi): Update constraints and use vax_output_int_move().
2525 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2526 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2527 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2528 nonlocal_goto): New.
2529 (mov<mode>): Extend accepted operand types.
2530 (subdi3_old): Rename from subdi3, change update constraints and use
2531 a new implementation.
2532 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2533 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2534 MOVE_RATIO, CLEAR_RATIO): Define.
2535 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2536 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2537 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2538 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2539 (split_quadword_operands): Make static and really allow variable
2541 (print_operand_address): Update for PIC generation.
2542 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2543 indexable_address_p, fixup_mathdi_operand,
2544 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2545 (vax_float_literal, legitimate_constant_p,
2546 indirectable_constant_address_p, index_term_p,
2547 reg_plus_index_p): Return bool instead of int.
2548 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2550 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2552 (vax_output_conditional_branch): Indent.
2553 (legitimate_constant_address_p, indirectable_constant_address_p,
2554 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2555 vax_mode_dependent_address_p): Return bool instead of int, update for
2557 * config/vax/vax-protos.h (legitimate_constant_address_p,
2558 legitimate_constant_p, legitimate_address_p,
2559 vax_mode_dependent_address_p): Change declaration to bool.
2560 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2561 vax_expand_addsub_di_operands, vax_output_int_subtract,
2562 vax_output_movmemsi): Declare.
2563 (split_quadword_operands, vax_float_literal): Delete declaration.
2564 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2565 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2566 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2567 ASM_OUTPUT_DWARF_PCREL): Define.
2568 (ASM_SPEC): Change definition to allow PIC generation.
2570 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2572 * doc/sourcebuild.texi: Update front-end requirements.
2574 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2577 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2578 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2579 (booldi3_internal3): Use boolean_or_operator instead of
2582 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2585 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2586 declarator whose size is not an integer constant expression but
2587 folds to an integer constant, then treat it as a constant
2590 2009-04-01 Richard Guenther <rguenther@suse.de>
2592 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2593 i * 4 + 2 to (i * 2 + 1) * 2.
2595 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2598 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2599 return if c_parser_asm_string_literal returned NULL.
2601 2009-04-01 Nick Clifton <nickc@redhat.com>
2603 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2605 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2606 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2607 other typedefs to avoid conflicts with libgcc2.c. Define labels
2608 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2610 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2611 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2614 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2616 * varasm.c (default_function_rodata_section): Declare DOT as
2619 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2620 Andrey Galkin <agalkin@hypercom.com>
2623 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2624 Make object_name unique for each process.
2626 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2629 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2630 addressable variables in the parallel that could go out of scope while
2631 running queued tasks.
2633 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2635 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2636 (CASE_VALUES_THRESHOLD): Redefine.
2637 * config/avr/avr.c (avr_override_options): Remove initialization of
2638 avr_case_values_threshold variable.
2639 (avr_case_values_threshold): Remove variable. Add new function.
2640 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2641 * config/avr/avr.opt (mno-tablejump): Remove option.
2642 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2644 2009-04-01 DJ Delorie <dj@redhat.com>
2646 * varasm.c (default_function_rodata_section): Don't assume
2647 anything about where the first '.' in the section name is.
2649 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2651 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2652 rs6000_emit_stack_tie.
2654 2009-03-31 Ian Lance Taylor <iant@google.com>
2656 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2657 gimple_code with GIMPLE_RESX, not RESX.
2659 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2661 * c-common.c (c_get_ident): New.
2662 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2664 2009-04-01 Ben Elliston <bje@au.ibm.com>
2666 * config/rs6000/sysv4.opt (msdata): Improve option description.
2668 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2670 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2671 (divdf3_internal_lat): Remove.
2672 (divxf3_internal_lat): Remove.
2673 (divxf3_internal_thr): Remove.
2674 (divxf): Use divxf3_internal.
2675 * config/ia64/div.md (divsf3_internal_lat): New.
2676 (divdf3_internal_lat): New.
2677 (divxf3_internal): New.
2679 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2682 * Makefile.in (USE_GCC_STDINT): Define.
2683 (stmp-int-hdrs): Install stdint.h if applicable.
2684 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2686 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2687 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2688 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2689 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2690 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2691 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2692 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2693 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2694 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2695 (c_common_nodes_and_builtins): Initialize
2696 underlying_wchar_type_node. Do not initialize
2697 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2698 nodes for new types.
2699 (c_stddef_cpp_builtins): Define macros for new types.
2700 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2702 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2703 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2704 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2705 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2706 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2707 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2708 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2709 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2710 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2711 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2712 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2713 int16_type_node, int32_type_node, int64_type_node,
2714 uint8_type_node, uint16_type_node, c_uint32_type_node,
2715 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2716 int_least32_type_node, int_least64_type_node,
2717 uint_least8_type_node, uint_least16_type_node,
2718 uint_least32_type_node, uint_least64_type_node,
2719 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2720 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2721 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2722 uintptr_type_node): Define.
2723 * c-cppbuiltin.c (builtin_define_constants,
2724 builtin_define_type_minmax): New.
2725 (builtin_define_stdint_macros): Define more macros.
2726 (c_cpp_builtins): Define more limit macros.
2728 (builtin_define_type_max): Define in terms of
2729 builtin_define_type_minmax. Remove is_long parameter. All
2731 * config.gcc (use_gcc_stdint): Define.
2732 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2733 Add newlib-stdint.h for generic targets.
2734 * config/glibc-stdint.h, config/newlib-stdint.h,
2735 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2736 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2737 * config/score/score.h (UINTPTR_TYPE): Define.
2738 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2739 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2740 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2741 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2742 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2743 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2744 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2745 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2746 * config/spu/spu.h (STDINT_LONG32): Define.
2747 * configure.ac (use_gcc_stdint): Substitute.
2748 * configure: Regenerate.
2749 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2750 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2751 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2752 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2753 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2754 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2755 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2756 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2757 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2758 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2759 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2760 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2761 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2762 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2763 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2764 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2765 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2766 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2767 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2768 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2769 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2770 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2771 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2772 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2773 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2774 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2775 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2776 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2777 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2779 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2781 * loop-iv.c (suitable_set_for_replacement): Renamed from
2782 simplify_using_assignment; changed to return bool and to accept new
2783 args DEST and SRC. Return true iff we find a source/destination pair
2784 that can be used to make a replacement, and fill SRC and DEST if so.
2785 Remove arg ALTERED. Don't deal with altered regs here. All callers
2787 (simplify_using_initial_values): Deal with altered regs here and track
2788 more precisely the effect they have on the validity of our expression.
2790 * loop-iv.c (simplify_using_condition): A condition of the form
2791 (EQ REG CONST) can be used to simply make a substitution.
2792 (simplify_using_initial_values): Keep track of conditions we have seen
2793 and keep using them to simplify new expressions, while applying the
2794 same substitutions to them as to the expression.
2796 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2797 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2800 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2801 changed. Use this when trying to improve the upper bound.
2802 Generate the comparison by using simplify_gen_relational.
2804 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2806 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2808 (simplify_using_assignment, simplify_using_initial_values): Call
2809 replace_in_expr to make replacements. Call replace_single_def_regs
2810 once on the initial version of the expression.
2812 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2815 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2817 2009-03-31 Richard Guenther <rguenther@suse.de>
2820 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2821 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2823 2009-03-31 Richard Guenther <rguenther@suse.de>
2825 * tree.h (div_if_zero_remainder): Declare.
2826 * fold-const.c (div_if_zero_remainder): Export.
2827 * tree-ssa-forwprop.c
2828 (forward_propagate_addr_into_variable_array_index): Handle
2829 constant array index addition outside of the variable index.
2831 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2834 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2835 define_splits, floatunssi<mode>2): Require x87 conversions from
2836 DImode to be permitted.
2838 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2840 PR preprocessor/15638
2841 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2843 2009-03-31 Richard Guenther <rguenther@suse.de>
2847 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2848 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2849 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2850 a separate statement.
2851 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2852 (lookup_tmp_var): Likewise.
2853 (is_gimple_formal_tmp_or_call_rhs): Remove.
2854 (is_gimple_reg_or_call_rhs): Rename to ...
2855 (is_gimple_reg_rhs_or_call): ... this.
2856 (is_gimple_mem_or_call_rhs): Rename to ...
2857 (is_gimple_mem_rhs_or_call): ... this.
2858 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2859 DECL_GIMPLE_REG_P only if is_formal is true.
2860 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2861 for non-proper post-modify expression gimplification.
2862 (gimplify_self_mod_expr): For post-modify expressions gimplify
2863 the lvalue to a minimal lvalue.
2864 (rhs_predicate_for): Remove formal temp case.
2865 (gimplify_modify_expr_rhs): Likewise.
2866 (gimplify_addr_expr): Use is_gimple_reg.
2867 (gimplify_expr): Remove formal temp cases.
2868 (gimple_regimplify_operands): Likewise.
2869 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2870 and FILTER_EXPR like constants.
2871 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2873 (is_gimple_formal_tmp_rhs): Remove.
2874 (is_gimple_reg_rhs): Remove special casing.
2875 (is_gimple_mem_rhs): Fix.
2876 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2877 (is_gimple_formal_tmp_var): Remove.
2878 (is_gimple_formal_tmp_reg): Likewise.
2879 (is_gimple_min_lval): Allow invariant component ref parts.
2880 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2881 is_gimple_formal_tmp_reg): Remove declarations.
2882 * tree-cfg.c (verify_expr): Verify that variables with address
2883 taken do not have DECL_GIMPLE_REG_P set.
2884 * tree-mudflap.c (mf_build_check_statement_for): Use
2885 force_gimple_operand instead of gimplify_expr.
2887 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2889 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2890 schedulable rows to compute_split_row.
2892 2009-03-31 Ben Elliston <bje@au.ibm.com>
2895 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2898 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2900 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2901 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2902 * configure: Regenerate.
2903 * config.in: Regenerate.
2904 * config/rs6000/rs6000.opt (mtls-markers): Add.
2905 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2906 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2907 (tls_ld_aix, tls_ld_sysv): Likewise.
2908 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2909 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2911 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2913 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2915 2009-03-30 Jan Hubicka <jh@suse.cz>
2917 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2919 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2920 detection and label handling.
2922 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2924 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2925 left_conflicts_size.
2926 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2927 ALLOCNO_LEFT_CONFLICTS_SIZE.
2929 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2930 remove_allocno_from_bucket_and_push,
2931 allocno_spill_priority_compare, push_allocnos_to_stack,
2932 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2933 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2934 (setup_allocno_left_conflicts_num): Ditto. Rename to
2935 setup_allocno_left_conflicts_size.
2936 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2937 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2938 setup_allocno_left_conflicts_size instead of
2939 setup_allocno_left_conflicts_num.
2941 * ira-build.c (ira_create_allocno): Use
2942 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2943 ALLOCNO_LEFT_CONFLICTS_NUM.
2945 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2947 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2948 instead of DF_LR_OUT.
2950 * ira-lives.c (process_bb_node_lives): Ditto.
2952 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2953 instead of DF_LR_{OUT,IN}.
2955 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2957 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2959 2009-03-30 Jan Hubicka <jh@suse.cz>
2961 * except.c (label_to_region_map): Fix thinko.
2963 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2966 * tree.h (tree_find_value): New declaration.
2967 * tree.c (tree_find_value): New function.
2968 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2970 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2973 * c-decl.c (struct c_binding): Add locus field.
2974 (bind): Add locus argument, set locus field from it.
2975 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2976 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2977 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2978 implicitly_declare, undeclared_variable, lookup_label,
2979 declare_label, c_make_fname_decl, c_builtin_function,
2980 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2983 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2986 * config/i386/i386.c (classify_argument): Check total size of
2989 2009-03-30 Martin Jambor <mjambor@suse.cz>
2991 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2992 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2993 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2996 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2997 seen_variable_array_ref while also traversing a union.
2999 * tree-inline.c (optimize_inline_calls): Do not call
3000 cgraph_node_remove_callees.
3001 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3002 (pass_remove_cgraph_callee_edges): New variable.
3003 * passes.c (init_optimization_passes): Add
3004 pass_remove_cgraph_callee_edges after early inlining and before all
3005 late intraprocedural passes.
3007 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3009 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3011 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3014 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3016 * combine.c (simplify_comparison): Use have_insn_for.
3017 * dojump.c (do_jump): Likewise.
3019 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3021 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3022 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3023 sparc_compare_op0 like sparc_compare_emitted used to be handled.
3024 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3025 instead of sparc_compare_emitted.
3026 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3027 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3028 instead of sparc_compare_emitted.
3030 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3032 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3033 enter/exit cfglayout mode.
3034 (pass_partition_block): Require it.
3035 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3036 (combine_instructions): Track basic blocks instead of labels.
3037 (update_cfg_for_uncondjump): New.
3038 (try_combine): Use it. Update jumps after rescanning.
3039 (pass_combine): Require PROP_cfglayout.
3040 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3042 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3044 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3045 Provide/destroy PROP_cfglayout respectively.
3046 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3047 * tree-pass.h (PROP_cfglayout): New.
3049 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
3051 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3052 fold_convert_const_fixed_from_fixed,
3053 fold_convert_const_fixed_from_int,
3054 fold_convert_const_fixed_from_real, fold_negate_const): Do not
3055 set TREE_CONSTANT_OVERFLOW.
3056 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3057 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3059 2009-03-30 Ira Rosen <irar@il.ibm.com>
3061 * tree-vect-loop-manip.c: New file.
3062 * tree-vectorizer.c: Update documentation and included files.
3063 (vect_loop_location): Make extern.
3064 (rename_use_op): Move to tree-vect-loop-manip.c
3065 (rename_variables_in_bb, rename_variables_in_loop,
3066 slpeel_update_phis_for_duplicate_loop,
3067 slpeel_update_phi_nodes_for_guard1,
3068 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3069 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3070 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3071 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
3072 find_loop_location): Likewise.
3073 (new_stmt_vec_info): Move to tree-vect-stmts.c.
3074 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3075 get_vectype_for_scalar_type, vect_is_simple_use,
3076 supportable_widening_operation, supportable_narrowing_operation):
3078 (bb_in_loop_p): Move to tree-vect-loop.c.
3079 (new_loop_vec_info, destroy_loop_vec_info,
3080 reduction_code_for_scalar_code, report_vect_op,
3081 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3082 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3083 (vect_supportable_dr_alignment): Likewise.
3084 * tree-vectorizer.h (tree-data-ref.h): Include.
3085 (vect_loop_location): Declare.
3086 Reorganize function declarations according to the new file structure.
3087 * tree-vect-loop.c: New file.
3088 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
3089 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3090 * tree-vect-data-refs.c: New file.
3091 * tree-vect-patterns.c (timevar.h): Don't include.
3092 * tree-vect-stmts.c: New file.
3093 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
3094 tree-vect-slp.c, tree-vect-loop.c.
3095 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
3096 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
3097 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3098 (tree-vect-analyze.o): Remove.
3099 (tree-vect-transform.o): Likewise.
3100 (tree-vect-data-refs.o): Add rule.
3101 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
3102 tree-vect-slp.o): Likewise.
3103 (tree-vect-patterns.o): Remove redundant dependencies.
3104 (tree-vectorizer.o): Likewise.
3105 * tree-vect-slp.c: New file.
3107 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3109 * optc-gen.awk: Warn if an option flag has multiple different
3112 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
3114 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3115 -floop-block): Document dependences on PPL, CLooG and Graphite.
3117 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3119 PR rtl-optimization/323
3120 * c-common.c (c_fully_fold, convert_and_check,
3121 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3122 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3123 * c-common.def (EXCESS_PRECISION_EXPR): New.
3124 * c-cppbuiltin.c (builtin_define_float_constants): Define
3125 constants with enough digits for long double.
3126 * c-lex.c (interpret_float): Interpret constant with excess
3127 precision where appropriate.
3128 * c-opts.c (c_common_post_options): Set
3129 flag_excess_precision_cmdline. Give an error for
3130 -fexcess-precision=standard for C++ for processors where the
3131 option is significant.
3132 * c-parser.c (c_parser_conditional_expression): Handle excess
3133 precision in condition.
3134 * c-typeck.c (convert_arguments): Handle arguments with excess
3136 (build_unary_op): Move excess precision outside operation.
3137 (build_conditional_expr): Likewise.
3138 (build_compound_expr): Likewise.
3139 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3140 (build_modify_expr): Handle excess precision in RHS.
3141 (convert_for_assignment): Handle excess precision in converted
3143 (digest_init, output_init_element, process_init_element): Handle
3144 excess precision in initializer.
3145 (c_finish_return): Handle excess precision in return value.
3146 (build_binary_op): Handle excess precision in operands and add
3147 excess precision as needed for operation.
3148 * common.opt (-fexcess-precision=): New option.
3149 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3150 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3151 For standard excess precision, output explicit conversion to and
3152 truncation from XFmode.
3153 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3154 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3155 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3156 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3157 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3158 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3159 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3160 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3161 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3162 define_splits, sqrt<mode>2): Disable where appropriate for
3163 standard excess precision.
3164 * convert.c (convert_to_real): Do not shorten arithmetic to type
3165 for which excess precision would be used.
3166 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3167 * doc/invoke.texi (-fexcess-precision=): Document option.
3168 (-mfpmath=): Correct index entry.
3169 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3170 flag_excess_precision): New.
3171 * langhooks.c (lhd_post_options): Set
3172 flag_excess_precision_cmdline.
3173 * opts.c (common_handle_option): Handle -fexcess-precision=.
3174 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3175 init_excess_precision): New.
3176 (lang_dependent_init_target): Call init_excess_precision.
3177 * tree.c (excess_precision_type): New.
3178 * tree.h (excess_precision_type): Declare.
3180 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3183 * c-typeck.c (build_component_ref): Do not copy qualifiers from
3184 non-lvalue to component.
3186 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3188 PR preprocessor/34695
3189 * Makefile.in (c-opts.o): Depend on c-tree.h.
3190 * c-common.c: Move down include of diagnostic.h.
3191 (done_lexing, c_cpp_error): New.
3192 * c-common.h (done_lexing): Declare.
3193 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3195 * c-opts.c: Include c-tree.h.
3196 (c_common_init_options): Set preprocessor error callback.
3197 (c_common_handle_option): Do not set preprocessor
3198 inhibit_warnings, warnings_are_errors, warn_system_headers,
3199 pedantic_errors or inhibit_warnings flags.
3200 (c_common_post_options): Do not check cpp_errors (parse_in).
3201 (c_common_finish): Do not output dependencies if there were
3202 errors. Do not check return value of cpp_finish.
3203 * c-ppoutput.c (pp_file_change): Set input_location.
3204 * c-tree.h (c_cpp_error): Declare.
3205 * diagnostic.c (diagnostic_set_info_translated): Also initialize
3207 (diagnostic_build_prefix): Check override_column.
3208 * diagnostic.h (diagnostic_info): Add override_column field.
3209 (diagnostic_override_column): Define.
3211 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
3213 * c-common.c (c_expand_expr, c_staticp): Remove.
3214 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3215 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3216 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3217 * c-gimplify.c (gimplify_compound_literal_expr,
3218 optimize_compound_literals_in_ctor): Remove.
3219 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3220 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3221 * c-semantics.c (emit_local_var): Remove.
3223 * langhooks-def.h (lhd_expand_expr): Remove.
3224 * langhooks.c (lhd_expand_expr): Remove.
3225 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3227 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3228 handling from c-semantics.c; don't call into langhook.
3229 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3230 * gimplify.c (gimplify_compound_literal_expr,
3231 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3232 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3233 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3234 as was done in c-gimplify.c.
3235 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3236 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3237 Move from c-common.h.
3238 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3240 * tree.c (staticp): Do not call langhook.
3241 * langhooks.c (lhd_staticp): Delete.
3242 * langhooks-def.h (lhd_staticp): Delete prototype.
3243 (LANG_HOOKS_STATICP): Delete.
3244 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3246 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3247 instead of DECL_STMTs.
3249 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3257 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3259 (fold_call_expr): Return a NOP_EXPR from folding rather than the
3260 contained expression.
3261 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3262 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
3263 conditional expressions for C.
3264 (decl_constant_value_for_optimization): Move from
3265 decl_constant_value_for_broken_optimization in c-typeck.c. Check
3266 whether optimizing and that the expression is a VAR_DECL not of
3267 array type instead of doing such checks in the caller. Do not
3268 check pedantic. Call gcc_unreachable for C++.
3269 * c-common.def (C_MAYBE_CONST_EXPR): New.
3270 * c-common.h (c_fully_fold, c_save_expr,
3271 decl_constant_value_for_optimization): New prototypes.
3272 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3273 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3274 EXPR_INT_CONST_OPERANDS): Define.
3275 * c-convert.c (convert): Strip nops from expression.
3276 * c-decl.c (groktypename): Take extra parameters expr and
3277 expr_const_operands. Update call to grokdeclarator.
3278 (start_decl): Update call to grokdeclarator. Add statement for
3279 expressions used in type of decl.
3280 (grokparm): Update call to grokdeclarator.
3281 (push_parm_decl): Update call to grokdeclarator.
3282 (build_compound_literal): Add parameter non_const and build a
3283 C_MAYBE_COSNT_EXPR if applicable.
3284 (grokdeclarator): Take extra parameters expr and
3285 expr_const_operands. Track expressions used in declaration
3286 specifiers and declarators. Fold array sizes and track whether
3287 they are constant expressions and whether they are integer
3288 constant expressions.
3289 (parser_xref_tag): Set expr and expr_const_operands fields in
3291 (grokfield): Update call to grokdeclarator.
3292 (start_function): Update call to grokdeclarator.
3293 (build_null_declspecs): Set expr and expr_const_operands fields in
3295 (declspecs_add_type): Handle expressions in typeof specifiers.
3296 * c-parser.c (c_parser_declspecs): Set expr and
3297 expr_const_operands fields for declaration specifiers.
3298 (c_parser_enum_specifier): Likewise.
3299 (c_parser_struct_or_union_specifier): Likewise.
3300 (c_parser_typeof_specifier): Likewise. Update call to
3301 groktypename. Fold expression as needed. Return expressions with
3302 type instead of adding statements.
3303 (c_parser_attributes): Update calls to c_parser_expr_list.
3304 (c_parser_statement_after_labels): Fold expression before passing
3305 to objc_build_throw_stmt.
3306 (c_parser_condition): Fold expression.
3307 (c_parser_asm_operands): Fold expression.
3308 (c_parser_conditional_expression): Use c_save_expr. Update call
3309 to build_conditional_expr.
3310 (c_parser_alignof_expression): Update call to groktypename.
3311 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3312 original_code. Fold expression argument of va_arg. Create
3313 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3314 argument to va_arg. Update calls to groktypename. Fold array
3315 index for offsetof. Verify that first argument to
3316 __builtin_choose_expr has integer type.
3317 (c_parser_postfix_expression_after_paren_type): Update calls to
3318 groktypename and build_compound_literal. Handle expressions with
3319 side effects in type name.
3320 (c_parser_postfix_expression_after_primary): Update call to
3321 c_parser_expr_list. Set original_code for calls to
3322 __builtin_constant_p.
3323 (c_parser_expr_list): Take extra parameter fold_p. Fold
3324 expressions if requested.
3325 (c_parser_objc_type_name): Update call to groktypename.
3326 (c_parser_objc_synchronized_statement): Fold expression.
3327 (c_parser_objc_receiver): Fold expression.
3328 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3329 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3330 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3331 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3332 (struct c_typespec): Add elements expr and expr_const_operands.
3333 (struct c_declspecs): Add elements expr and expr_const_operands.
3334 (groktypename, build_conditional_expr, build_compound_literal):
3336 (in_late_binary_op): Declare.
3337 * c-typeck.c (note_integer_operands): New function.
3338 (in_late_binary_op): New variable.
3339 (decl_constant_value_for_broken_optimization): Move to c-common.c
3340 and rename to decl_constant_value_for_optimization.
3341 (default_function_array_conversion): Do not strip nops.
3342 (default_conversion): Do not call
3343 decl_constant_value_for_broken_optimization.
3344 (build_array_ref): Do not fold result.
3345 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
3346 result when operand is a VLA.
3347 (c_expr_sizeof_type): Update call to groktypename. Handle
3348 expressions included in type name. Use C_MAYBE_CONST_EXPR for
3349 result when operand names a VLA type.
3350 (build_function_call): Update call to build_compound_literal.
3351 Only fold result for calls to __builtin_* functions. Strip
3352 NOP_EXPR from INTEGER_CST returned from such functions. Fold
3353 the function designator.
3354 (convert_arguments): Fold arguments. Update call to
3355 convert_for_assignment.
3356 (build_unary_op): Handle increment and decrement of
3357 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
3358 decrement earlier. Fold operand of increment and decrement.
3359 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
3360 built for integer operand. Wrap returns that are INTEGER_CSTs
3361 without being integer constant expressions or that have integer
3362 constant operands without being INTEGER_CSTs.
3363 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3364 (build_conditional_expr): Add operand ifexp_bcp. Track whether
3365 result is an integer constant expression or can be used in
3366 unevaluated parts of one and avoid folding and wrap as
3367 appropriate. Fold operands before possibly doing -Wsign-compare
3369 (build_compound_expr): Wrap result for C99 if operands can be used
3370 in integer constant expressions.
3371 (build_c_cast): Update call to digest_init. Do not ignore
3372 overflow from casting floating-point constants to integers. Wrap
3373 results that could be confused with integer constant expressions,
3374 null pointer constants or floating-point constants.
3375 (c_cast_expr): Update call to groktypename. Handle expressions
3376 included in type name.
3377 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
3378 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
3379 Update calls to convert_for_assignment.
3380 (convert_for_assignment): Take new parameter
3381 null_pointer_constant. Do not strip nops or call
3382 decl_constant_value_for_broken_optimization. Set
3383 in_late_binary_op for conversions to boolean.
3384 (store_init_value): Update call to digest_init.
3385 (digest_init): Take new parameter null_pointer_constant. Do not
3386 call decl_constant_value_for_broken_optimization. pedwarn for
3387 initializers not constant expressions. Update calls to
3388 convert_for_assignment.
3389 (constructor_nonconst): New.
3390 (struct constructor_stack): Add nonconst element.
3391 (really_start_incremental_init, push_init_level, pop_init_level):
3392 Handle constructor_nonconst and nonconst element.
3393 (set_init_index): Call constant_expression_warning for array
3395 (output_init_element): Fold value. Set constructor_nonconst as
3396 applicable. pedwarn for initializers not constant expressions.
3397 Update call to digest_init. Call constant_expression_warning
3398 where constant initializers are required.
3399 (process_init_element): Use c_save_expr.
3400 (c_finish_goto_ptr): Fold expression.
3401 (c_finish_return): Fold return value. Update call to
3402 convert_for_assignment.
3403 (c_start_case): Fold switch expression.
3404 (c_process_expr_stmt): Fold expression.
3405 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3406 ensure statement expression is not evaluated in constant expression.
3407 (build_binary_op): Track whether results are integer constant
3408 expressions or may occur in such, disable folding and wrap results
3409 as applicable. Fold operands for -Wsign-compare warnings unless
3411 (c_objc_common_truthvalue_conversion): Handle results folded to
3412 integer constants that are not integer constant expressions.
3413 * doc/extend.texi: Document when typeof operands are evaluated,
3414 that condition of __builtin_choose_expr is an integer constant
3415 expression, and more about use of __builtin_constant_p in
3418 2009-03-29 Richard Guenther <rguenther@suse.de>
3420 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3421 propagate addresses of array references.
3423 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
3425 * regmove.c (perhaps_ends_bb_p): Remove.
3426 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
3427 from INSN and check that the main loop stays within that basic block.
3428 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3429 (regmove_forward_pass): Split out from regmove_optimize. Use
3430 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3431 (regmove_backward_pass): Split out from regmove_optimize. Use
3432 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3433 (regmove_optimize): Simplify.
3435 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3438 * config/i386/i386.c (classify_argument): Ignore flexible array
3439 member in struct and warn ABI change.
3441 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3443 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3445 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3446 (ix86_adjust_cost): Updated.
3448 2009-03-29 Jan Hubicka <jh@suse.cz>
3451 * tree-pass.h (pass_cleanup_eh): New function.
3452 (remove_unreachable_regions): Break code handling RTL
3453 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3454 that can not be reached by runtime.
3455 (can_be_reached_by_runtime): New function.
3456 (label_to_region_map): New function.
3457 (num_eh_regions): New function.
3458 (rtl_remove_unreachable_regions): New function.
3459 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3460 (remove_eh_region): New function.
3461 * except.h: Include sbitmap and vecprim.
3462 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3463 num_eh_regions): Declare.
3464 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3465 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3466 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3467 (tree_empty_eh_handler_p): New function.
3468 (cleanup_empty_eh): New function.
3469 (cleanup_eh): New function.
3470 (pass_cleanup_eh): New function.
3472 2009-03-29 Jan Hubicka <jh@suse.cz>
3474 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3475 for removed regions.
3477 2009-03-29 Jan Hubicka <jh@suse.cz>
3479 * except.c (dump_eh_tree): Dump all datastructures.
3481 2009-03-29 Jan Hubicka <jh@suse.cz>
3483 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3484 (duplicate_eh_regions_1): Likewise.
3485 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3486 vector; call EH verification.
3487 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3488 Be ready for region being removed.
3490 2009-03-29 Jan Hubicka <jh@suse.cz>
3492 * bitmap.c (bitmap_last_set_bit): New function.
3493 * bitmap.h (bitmap_last_set_bit): Declare.
3495 2009-03-29 David Ayers <ayers@fsfe.org>
3498 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3499 by calling objc_compare_types and surpress warnings about
3500 incompatible C pointers that are compatible ObjC pointers.
3502 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3504 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3505 call initialize_inline_failed.
3506 (initialize_inline_failed): Move it from here ...
3507 * cgraph.c (initialize_inline_failed): ... to here.
3508 (cgraph_create_edge): Call initialize_inline_failed rather than
3509 setting inline_failed directly.
3511 2009-03-29 Ben Elliston <bje@au.ibm.com>
3514 * sysv4.opt (msdata): Improve comment.
3515 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3516 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3518 2009-03-29 Ben Elliston <bje@au.ibm.com>
3521 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3522 load and store attributes.
3524 2009-03-29 Ben Elliston <bje@au.ibm.com>
3526 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3527 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3528 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3529 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3530 __builtin_infq and __builtin_huge_valq.
3532 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3534 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3536 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3537 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3539 2009-03-28 Xinliang David Li <davidxl@google.com>
3541 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3542 (do_dbg_cnt): New function.
3544 2009-03-28 Jan Hubicka <jh@suse.cz>
3546 Merge from pretty-ipa:
3548 2009-03-27 Jan Hubicka <jh@suse.cz>
3550 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3551 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3552 * passes.c (function_called_by_processed_nodes_p): New.
3553 * ipa-pure-const.c (check_call): Fix handling of operands.
3554 (analyze_function): Dump debug output for skipped bodies.
3555 (local_pure_const): Use function_called_by_processed_nodes_p.
3556 * dwarf2out.c (reference_to_unused): Use output.
3557 * passes.c (do_per_function_toporder): Likewise.
3559 2008-11-12 Jan Hubicka <jh@suse.cz>
3561 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3562 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3563 state_set_in_source enum
3564 (check_decl): Ignore memory tags; do not set fake looping flags;
3566 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3567 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3568 (check_call, analyze_function): Rewrite.
3570 (add_new_function): Update call of analyze_function.
3571 (generate_summary): Add call of analyze_function.
3572 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3573 (local_pure_const): New function.
3574 (pass_local_pure_const): New pass.
3575 * ipa-inline.c (inline_transform): Set after_inlining.
3576 * tree-eh.c (stmt_can_throw_external): New.
3577 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3578 work with aliasing built.
3579 * tree-flow.h (stmt_can_throw_external): New.
3580 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3581 and local pure/const pass in early and late optimization queue.
3583 2009-03-28 Martin Jambor <mjambor@suse.cz>
3585 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3587 (fold_binary): Allow function decl aligment consideration is the
3588 second argument is integer constant one.
3589 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3590 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3591 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3593 2009-03-28 Jan Hubicka <jh@suse.cz>
3595 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3596 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3597 * function.h (rtl_data): Add nothrow flag.
3598 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3599 set DECL_NOTHROW for AVAILABLE functions.
3601 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3603 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3604 following vector keyword has expansion starting with pixel or bool
3605 keyword, expand vector to __vector and pixel or bool to __pixel or
3609 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3610 warn_if_disallowed_function_p): Removed.
3611 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3612 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3613 warning_if_disallowed_function_p.
3614 * flags.h (warn_if_disallowed_function_p,
3615 warn_disallowed_functions): Removed.
3616 * common.opt (Wdisallowed-function-list=): Removed.
3617 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3619 2009-03-28 Richard Guenther <rguenther@suse.de>
3621 PR tree-optimization/38723
3622 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3625 2009-03-28 Jan Hubicka <jh@suse.cz>
3627 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3628 test introduced by my previous patch.
3630 2009-03-28 Richard Guenther <rguenther@suse.de>
3632 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3633 the PHIs value undefined.
3635 2009-03-28 Jan Hubicka <jh@suse.cz>
3637 * tree-pass.h (pass_fixup_cfg): New pass.
3638 * ipa-inline.c (inline_transform): Set
3639 always_inline_functions_inlined/after_inlining.
3640 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3641 (pass_fixup_cfg): New pass.
3642 * passes.c (init_optimization_passes): Add fixup_cfg.
3644 2009-03-28 Richard Guenther <rguenther@suse.de>
3646 PR tree-optimization/38458
3647 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3648 argument use the arguments copy-of value.
3650 2009-03-28 Richard Guenther <rguenther@suse.de>
3652 PR tree-optimization/38180
3653 * tree-ssa-ccp.c (get_default_value): Simplify.
3654 (likely_value): Likewise.
3655 (surely_varying_stmt_p): Properly handle VOP case.
3656 (ccp_initialize): Likewise.
3657 (ccp_fold): Handle propagating through *&.
3658 (fold_const_aggregate_ref): Also handle decls.
3660 2009-03-28 Jan Hubicka <jh@suse.cz>
3662 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3663 * cgraph.h (cgraph_node): Likewise.
3664 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3665 (cgraph_reset_node): Use process flag.
3666 (cgraph_mark_functions_to_output): Likewise.
3667 (cgraph_expand_function): Likewise.
3668 (cgraph_expand_all_functions): Likewise.
3669 (cgraph_output_in_order): Likewise.
3670 * dwarf2out.c (reference_to_unused): Likewise.
3671 * passes.c do_per_function_toporder): Likewise.
3673 2009-03-28 Jan Hubicka <jh@suse.cz>
3675 Bring from lto-branch:
3677 2008-09-03 Doug Kwan <dougkwan@google.com>
3679 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3680 enums instead of reason strings.
3681 * cgraph.c (cgraph_create_edge): Same.
3682 (cgraph_inline_failed_string): New function.
3683 * cgraph.h (cgraph_inline_failed_t): New enum type.
3684 (cgraph_inline_failed_string): New prototype.
3685 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3686 char pointer to cgraph_inline_failed_t.
3687 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3688 (cgraph_default_inline_p): Ditto.
3689 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3690 to cgraph_inline_failed_t pointer.
3691 * cif-code.def: New file.
3692 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3694 (cgraph_check_inline_limits): Change type of REASON to pointer to
3695 cgraph_inline_failed_t. Replace reason strings with enums.
3696 (cgraph_default_inline_p): Ditto.
3697 (cgraph_recursive_inlining_p): Ditto.
3698 (update_caller_keys): Change type of FAILED_REASON to
3699 cgraph_inline_failed_t.
3700 (cgraph_set_inline_failed): Change type of REASON to pointer to
3701 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3702 convert enums to strings for text output.
3703 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3704 to be of type cgraph_inline_failed_t. Replace reason strings with
3705 enums. Call cgraph_inline_failed_string to covert enums
3706 to strings for text output.
3707 (cgraph_decide_inlining): Replace reason strings with enums.
3708 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3709 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3711 * tree-inline.c (expand_call_inline): Change type of REASON
3712 to cgraph_inline_failed_t. Replace reason strings with enums.
3713 Call cgraph_inline_failed_string for text output.
3714 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3717 2009-03-28 Jan Hubicka <jh@suse.cz>
3719 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3720 cgraph_clone_node): Remove master clone handling.
3721 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3722 * cgraph.h (master_clone): Remove.
3723 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3724 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3725 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3727 2009-03-28 Jan Hubicka <jh@suse.cz>
3729 * cgraph.c (cgraph_function_body_availability): Functions declared
3730 inline are always safe to assume that it is not going to be replaced.
3732 2009-03-28 Richard Guenther <rguenther@suse.de>
3734 PR tree-optimization/38513
3735 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3736 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3737 EXC_PTR_EXPR and FILTER_EXPR.
3738 (get_ref_from_reference_ops): Likewise.
3740 2009-03-28 Richard Guenther <rguenther@suse.de>
3742 PR tree-optimization/38968
3743 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3744 Use FLOOR_MOD_EXPR to compute misalignment.
3746 2009-03-28 Richard Guenther <rguenther@suse.de>
3748 PR tree-optimization/37795
3749 * tree.h (combine_comparisons): Declare.
3750 * fold-const.c (combine_comparisons): Export.
3751 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3753 (ifcombine_iforif): Use combine_comparisons.
3755 2009-03-28 Jan Hubicka <jh@suse.cz>
3757 * tree-eh.c (inlinable_call_p): New function.
3758 (make_eh_edges): Use it.
3759 (verify_eh_edges): Use it.
3760 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3761 * except.c (reachable_next_level): Add inlinable_function argument
3762 (sjlj_find_directly_reachable_regions): Update.
3763 (add_reachable_handler): Do not set saw_any_handlers.
3764 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3765 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3766 Add new inlinable call parameter.
3767 (can_throw_internal, can_throw_external): Update.
3768 * except.h (can_throw_internal_1, can_throw_external_1,
3769 foreach_reachable_handler): Update declaration.
3771 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3773 * config/arm/t-arm-coff, config/h8300/coff.h,
3774 config/i386/i386-aout.h, config/i386/i386-coff.h,
3775 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3776 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3777 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3778 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3779 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3780 sys-types.h: Remove.
3781 * Makefile.in: Remove protoize and fixproto support and references
3783 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3784 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3786 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3787 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3788 unprotoize$(exeext).
3789 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3790 (.PHONY): Don't depend on proto.
3791 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3792 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3793 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3794 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3795 build/gen-protos.o, build/scan.o, xsys-protos.h,
3796 build/fix-header$(build_exeext), build/fix-header.o,
3797 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3798 stmp-install-fixproto): Remove.
3799 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3800 SYSCALLS.c or fixproto files.
3801 (install-common): Don't install protoize.
3802 (install-headers-tar, install-headers-cpio, install-headers-cp):
3803 Don't depend on $(STMP_FIXPROTO).
3804 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3805 install fixproto files or write out fixproto settings.
3806 (uninstall): Don't uninstall protoize.
3807 * config.gcc (use_fixproto): Remove.
3808 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3809 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3810 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3811 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3812 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3813 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3814 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3815 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3816 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3817 * config/t-vxworks (STMP_FIXPROTO): Remove.
3818 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3819 STMP_FIXPROTO): Remove.
3820 * config.in, configure: Regenerate.
3821 * crtstuff.c (gid_t, uid_t): Don't undefine.
3822 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3823 (arm-*-coff, arm-*-aout: Remove target entries.
3824 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3825 Remove mention of AIX 4.1.
3826 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3827 * doc/invoke.texi (Running Protoize): Remove.
3828 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3829 (Protoize Caveats): Remove.
3830 * tsystem.h: Update comments on headers assumed to exist.
3832 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3834 * genautomata.c: Add a new year to the copyright. Add a new
3836 (struct insn_reserv_decl): Add comments for member bypass_list.
3837 (find_bypass): Remove.
3838 (insert_bypass): New.
3839 (process_decls): Use insert_bypass.
3840 (output_internal_insn_latency_func): Output all bypasses with the
3841 same input insn in one switch case.
3843 * rtl.def (define_bypass): Describe bypass choice.
3844 * doc/md.texi (define_bypass): Ditto.
3846 2009-03-27 Richard Guenther <rguenther@suse.de>
3848 * gimplify.c (mark_addressable): Export.
3849 * tree-flow.h (mark_addressable): Declare.
3850 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3851 * tree-ssa.c (verify_phi_args): Verify that address taken
3852 variables have TREE_ADDRESSABLE set.
3854 2009-03-27 Richard Guenther <rguenther@suse.de>
3856 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3857 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3858 Do not mark decls TREE_ADDRESSABLE.
3859 (build_fold_addr_expr): Adjust.
3860 (fold_addr_expr): Remove.
3861 (fold_unary): Use build_fold_addr_expr.
3862 (fold_comparison): Likewise.
3863 (split_address_to_core_and_offset): Likewise.
3864 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3866 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3867 (gimplify_modify_expr_to_memcpy): Mark source and destination
3869 * omp-low.c (create_omp_child_function): Mark the object decl
3871 (lower_rec_input_clauses): Mark the var we take the address of
3873 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3875 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3878 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3879 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3881 2009-03-27 Richard Guenther <rguenther@suse.de>
3883 PR tree-optimization/39120
3884 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3886 (handle_lhs_call): Process return constraints. Add escape
3887 constraints if necessary.
3888 (handle_const_call): Fill out return constraints. Make nested
3889 case more precise. Avoid consttmp if possible.
3890 (handle_pure_call): Fill out return constraints. Avoid
3891 callused if possible.
3892 (find_func_aliases): Simplify call handling.
3894 2009-03-27 Richard Guenther <rguenther@suse.de>
3896 PR tree-optimization/39120
3897 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3898 as a representative.
3899 (solve_graph): Do propagate CALLUSED.
3900 (handle_pure_call): Use a scalar constraint from CALLUSED for
3902 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3905 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3908 * c-common.c (handle_aligned_attribute): Properly check alignment
3909 overflow. Use (1U << i) instead of (1 << i).
3911 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3913 * expr.h (get_mem_align_offset): Updated.
3915 * tree.h (tree_decl_common): Change align to "unsigned int" and
3916 move it before pointer_alias_set.
3918 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3919 Jakub Jelinek <jakub@redhat.com>
3922 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3923 gr_register_operand with gr_reg_or_0_operand.
3924 (cmpxchg_rel_di): Likewise.
3925 (sync_lock_test_and_set<mode>): Likewise.
3927 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3929 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3930 (true_regnum): Likewise.
3932 * rtlanal.c (subreg_info): Moved to ...
3933 * rtl.h (subreg_info): Here. New.
3934 (subreg_get_info): New.
3936 * rtlanal.c (subreg_get_info): Make it extern.
3938 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3941 * config/i386/i386.c (ix86_abi): New.
3942 (override_options): Handle -mabi=.
3943 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3944 (ix86_call_abi_override): Likewise.
3945 (init_cumulative_args): Likewise.
3946 (function_arg_advance): Likewise.
3947 (function_arg_64): Likewise.
3948 (function_arg): Likewise.
3949 (ix86_pass_by_reference): Likewise.
3950 (ix86_function_value_regno_p): Likewise.
3951 (ix86_build_builtin_va_list_abi): Likewise.
3952 (setup_incoming_varargs_64): Likewise.
3953 (is_va_list_char_pointer): Likewise.
3954 (ix86_init_machine_status): Likewise.
3955 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3956 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3957 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3958 (ix86_function_abi): Make it static and return enum calling_abi.
3959 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3961 (ix86_fn_abi_va_list): Updated.
3963 * config/i386/i386.h (ix86_abi): New.
3964 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3965 (CONDITIONAL_REGISTER_USAGE): Likewise.
3966 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3967 (machine_function): Likewise.
3969 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3971 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3972 (STACK_BOUNDARY): Likewise.
3973 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3975 * config/i386/i386.opt (mabi=): New.
3977 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3978 return enum calling_abi.
3979 (ix86_function_type_abi): Likewise.
3980 (ix86_function_abi): Removed.
3982 * doc/invoke.texi: Document -mabi= option for x86.
3984 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3986 * builtins.c (real_dconstp): Delete.
3987 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3989 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3990 Jakub Jelinek <jakub@redhat.com>
3993 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3994 (gen_subprogram_die): When a function is explicit, generate the
3995 DW_AT_explicit attribute.
3996 * langhooks.h (struct lang_hooks_for_decls): Add
3997 function_decl_explicit_p langhook.
3998 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3999 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4001 2009-03-27 Jakub Jelinek <jakub@redhat.com>
4003 * builtins.c (fold_builtin_memory_op): Optimize memmove
4004 into memcpy if we can prove source and destination don't overlap.
4006 * tree-inline.c: Include gt-tree-inline.h.
4007 (clone_fn_id_num): New variable.
4008 (clone_function_name): New function.
4009 (tree_function_versioning): Use it.
4010 * Makefile.in (GTFILES): Add tree-inline.c.
4012 2009-03-27 Mark Mitchell <mark@codesourcery.com>
4014 * BASE-VER: Change to 4.5.0.
4016 2009-03-27 Xinliang David Li <davidxl@google.com>
4018 PR tree-optimization/39557
4019 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4021 2009-03-27 Xinliang David Li <davidxl@google.com>
4023 PR tree-optimization/39548
4024 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
4027 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
4029 * c-common.c (pointer_int_sum): Use %wd on return from
4032 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
4034 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4035 on return from tree_low_cst.
4037 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
4040 * ginclude/stdarg.h (va_copy): Define also for
4041 __GXX_EXPERIMENTAL_CXX0X__.
4043 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4046 * builtins.h (c_strlen): Do not warn here.
4047 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4048 * c-common.c (pointer_int_sum): Take an explicit location.
4049 Warn about offsets out of bounds.
4050 * c-common.h (pointer_int_sum): Adjust declaration.
4052 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4054 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4057 2009-03-26 Jakub Jelinek <jakub@redhat.com>
4060 * opts.c (warn_if_disallowed_function_p): Don't assume
4061 get_callee_fndecl must return non-NULL.
4063 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
4065 PR rtl-optimization/39522
4066 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4067 when reg_reloaded_valid is set.
4069 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4071 * config/spu/divv2df3.c: New file.
4072 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4073 (DPBIT_FUNCS): Filter out _div_df.
4075 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
4077 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4078 a jump insn, count that jump in the distance to the loop start.
4080 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
4083 * config/sh/sh.c (calc_live_regs): Fix condition for global
4084 registers except PIC_OFFSET_TABLE_REGNUM.
4086 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
4089 * doc/invoke.texi (-mconsole): New.
4093 (-mnop-fun-dllimport): New.
4097 (sub section "i386 and x86-64 Windows Options"): New.
4099 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
4101 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4102 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4104 2009-03-25 Richard Guenther <rguenther@suse.de>
4107 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4110 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
4112 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4113 neither of haifa/selective schedulers are working.
4115 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4117 * doc/invoke.texi (Debugging Options): Fix description of
4118 -fno-merge-debug-strings.
4120 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
4122 * config/cris/libgcc.ver: New version-script.
4123 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4125 * configure.ac <GAS features, nop mnemonic>: Add pattern
4126 crisv32-*-* for "nop".
4127 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4128 * configure: Regenerate.
4130 2009-03-24 Ira Rosen <irar@il.ibm.com>
4132 PR tree-optimization/39529
4133 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4134 mark_sym_for_renaming for the tag copied to the new vector
4137 2009-03-24 Arthur Loiret <aloiret@debian.org>
4139 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4140 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4141 EXTRA_SPEC_FUNCTIONS.
4142 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4143 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4144 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4145 -march and -mtune options.
4147 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
4149 * config/m68k/t-rtems: Add m5329 multilib.
4151 2009-03-24 Dodji Seketeli <dodji@redhat.com>
4152 Jakub Jelinek <jakub@redhat.com>
4155 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4158 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4161 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4162 instead of c_parser_expression_conv, if original_code isn't one of the
4163 4 allowed comparison codes, fail.
4165 2009-03-23 Richard Guenther <rguenther@suse.de>
4167 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4168 * tree.h (struct tree_type): Likewise.
4169 * reload.h (struct insn_chain): Likewise.
4170 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4171 * function.h (struct function): Likewise.
4172 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4174 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4176 PR tree-optimization/39516
4177 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4179 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
4181 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
4182 should be set true if BITS_PER_WORD of target is bigger than 32
4184 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
4186 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4187 Translate -B-options to -rpath-link. Correct existing
4188 rpath-link and conditionalize on !nostdlib.
4190 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4192 * doc/extend.texi (Function Attributes, Variable Attributes):
4194 * doc/invoke.texi (Debugging Options, Optimize Options)
4195 (i386 and x86-64 Options, MCore Options): Likewise.
4197 2009-03-20 Jakub Jelinek <jakub@redhat.com>
4200 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4201 it for block local namespace aliases.
4202 (gen_decl_die): Pass context_die to gen_namespace_die.
4204 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4207 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4208 minimum or maximum value.
4210 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
4212 * reginfo.c (globalize_reg): Recompute derived reg sets.
4214 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
4217 * libgcc2.c (mprotect): Do not use signed arguments for
4218 VirtualProtect, use DWORD arguments. Also fix the 'may
4219 be used uninitialized' warning for the np variable.
4221 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4224 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4225 functions using regparm calling conventions when not optimizing.
4226 (ix86_function_sseregparm): Similarly for sseregparm calling
4229 2009-03-19 Li Feng <nemokingdom@gmail.com>
4232 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4233 dependence if the first conflict is after niter iterations.
4235 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
4238 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4239 functions with dynamic stack-pointer adjustments.
4241 2009-03-19 Ben Elliston <bje@au.ibm.com>
4243 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4244 option; change to -msdata=data.
4246 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4248 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4251 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
4254 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4256 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
4258 * doc/invoke.texi (Code Gen Options): Expand discussion of
4261 2009-03-18 Jakub Jelinek <jakub@redhat.com>
4263 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4264 * matrix-reorg.c (struct matrix_info): Likewise.
4265 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4266 * rtl.h (struct mem_attrs): Likewise.
4267 * df.h (struct df): Likewise.
4268 * tree-data-ref.h (struct data_dependence_relation): Likewise.
4269 * ira-int.h (struct ira_allocno): Likewise.
4270 * df-scan.c (struct df_collection_rec): Likewise.
4271 * ira.c (struct equivalence): Likewise.
4272 * function.c (struct temp_slot): Likewise.
4273 * cfgloop.h (struct loop): Likewise.
4276 * function.c (use_register_for_decl): When not optimizing, disregard
4277 register keyword for variables with types containing methods.
4279 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
4282 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4283 (is_simple_operand): Call contains_component_ref_p before calling data
4284 reference analysis that would fail on COMPONENT_REFs.
4286 * tree-vrp.c (search_for_addr_array): Fix formatting.
4288 2009-03-18 Richard Guenther <rguenther@suse.de>
4290 * tree-vect-transform.c (vect_loop_versioning): Fold the
4291 generated comparisons.
4292 * tree-vectorizer.c (set_prologue_iterations): Likewise.
4293 (slpeel_tree_peel_loop_to_edge): Likewise.
4295 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4298 * opts.c (print_specific_help): In addition to `undocumented',
4299 accept `separate' and `joined' flags if passed alone. Describe
4300 output by the first matched one of those.
4301 (common_handle_option): Skip over empty strings.
4302 * gcc.c (display_help): Fix help string for `--help='.
4303 * doc/invoke.texi (Option Summary, Overall Options): With
4304 `--help=', classes and qualifiers can both be repeated, but
4305 only the latter can be negated. One should not pass only
4306 negated qualifiers. Fix markup and examples.
4309 2008-10-14 Jakub Jelinek <jakub@redhat.com>
4311 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4312 and -fhelp=separate.
4314 2009-03-17 Jing Yu <jingyu@google.com>
4317 * function.h (struct rtl_data): Move is_thunk from here...
4318 (struct function): ...to here.
4319 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4320 * varasm.c (assemble_start_function): Change is_thunk from crtl to
4322 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4324 (alpha_does_function_need_gp, alpha_start_function): Likewise.
4325 (alpha_output_function_end_prologue): Likewise.
4326 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4327 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4328 (rs6000_output_function_epilogue): Likewise.
4329 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4331 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
4334 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4335 from different units in a single alternative.
4336 (*truncdfsf_i387): Ditto.
4337 (*truncxfsf2_mixed): Ditto.
4338 (*truncxfdf2_mixed): Ditto.
4340 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4342 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4343 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4346 * tree-ssa-live.c (remove_unused_locals): Don't remove local
4347 unused non-artificial variables when not optimizing.
4350 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4351 DW_TAG_imported_module even if decl is IMPORTED_DECL with
4352 NAMESPACE_DECL in its DECL_INITIAL.
4355 * optabs.c (set_user_assembler_libfunc): New function.
4356 * expr.h (set_user_assembler_libfunc): New prototype.
4357 * c-common.c: Include libfuncs.h.
4358 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4359 for memcmp, memset, memcpy, memmove and abort.
4360 * Makefile.in (c-common.o): Depend on libfuncs.h.
4363 * dwarf2out.c (gen_inlined_enumeration_type_die,
4364 gen_inlined_structure_type_die, gen_inlined_union_type_die,
4365 gen_tagged_type_instantiation_die): Removed.
4366 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4369 2009-03-17 Janis Johnson <janis187@us.ibm.com>
4372 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4374 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4375 (check-parallel-%): Ditto.
4376 (check-consistency): Ditto.
4378 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
4380 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4381 local variable rhs by NULL_TREE.
4383 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4386 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4388 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4391 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4393 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4396 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4397 for ms->sysv ABI calls only in 64bit mode.
4399 * config/i386/i386.md (untyped_call): Support 32bit.
4401 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
4403 * doc/extend.texi: Replace x86_65 with x86_64.
4405 2009-03-16 Jakub Jelinek <jakub@redhat.com>
4407 PR tree-optimization/39455
4408 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4409 mismatches for POINTER_TYPE_P (type).
4410 (number_of_iterations_le): Likewise.
4412 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4414 * config/picochip/picochip.c: Removed profiling support.
4415 * config/picochip/picochip.md: Removed profiling instruction.
4416 * config/picochip/picochip.h: Removed profiling builtin.
4418 2009-03-16 Joseph Myers <joseph@codesourcery.com>
4420 * doc/install.texi (--with-host-libstdcxx): Document.
4422 2009-03-14 Anatoly Sokolov <aesok@post.ru>
4425 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4426 generate a warning if the function name does not begin with
4427 "__vector" and the function has either the 'signal' or 'interrupt'
4428 attribute, from here to ...
4429 (avr_declare_function_name): ...here. New function.
4430 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4431 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4433 2009-03-14 Jakub Jelinek <jakub@redhat.com>
4436 * cse.c (fold_rtx): Don't modify original const_arg1 when
4437 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4438 separate variable instead.
4439 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4440 from out of range shift counts.
4441 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4443 2008-03-13 Catherine Moore <clm@codesourcery.com>
4445 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4446 diagnostic.h with $(DIAGNOSTIC_H).
4448 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4451 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4453 * config/i386/sync.md (sync_compare_and_swap<mode>,
4454 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4455 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4457 (sync_double_compare_and_swapdi_pic,
4458 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4459 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4461 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4464 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4466 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4469 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4470 (avx_addsubv4df3): Likewise.
4471 (*avx_addsubv4sf3): Likewise.
4472 (sse3_addsubv4sf3): Likewise.
4474 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4477 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4479 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4482 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4483 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4484 registers for allocnos created from user-defined variables.
4486 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4489 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4490 of non-integer mode as well.
4492 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4494 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4495 for functions for which the parameter types are unknown.
4497 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4500 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4501 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4502 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4503 * config/i386/i386.c (ix86_local_alignment): For
4504 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4505 long long variables on the stack to avoid dynamic realignment.
4506 Allow the first argument to be a decl rather than type.
4507 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4509 2009-03-11 Nick Clifton <nickc@redhat.com>
4512 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4514 Add description to mno-lsim option.
4515 * config/mcore/mcore.h: Remove comment about deprecated m4align
4517 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4518 * doc/invoke.texi: Add description of mno-lsim and
4519 mstack-increment options.
4521 * config/fr30/fr30.opt: Document the -mno-lsim option.
4522 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4523 and -mno-lsim options.
4525 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4527 * fold-const.c (fold_comparison): Only call fold_inf_compare
4528 if the mode supports infinities.
4530 2009-03-11 Jason Merrill <jason@redhat.com>
4533 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4534 end already did. Notice GIMPLE_CALL modifications of the result.
4535 Don't copy debug information from an ignored decl or a decl from
4538 2009-03-10 Richard Guenther <rguenther@suse.de>
4539 Nathan Froyd <froydnj@codesourcery.com>
4542 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4543 (__divMODE3): Likewise.
4545 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4547 PR tree-optimization/39394
4548 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4549 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4551 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4553 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4554 inline asms for register asm ("") declarations.
4556 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4558 * fold-const.c (fold_unary): Fix comment.
4560 2009-03-07 Jan Hubicka <jh@suse.cz>
4563 * tree-inline.c (setup_one_parameter): Do replacement of const
4564 argument by constant in SSA form.
4566 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4569 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4570 determine alignment passed to assign_stack_local.
4571 (assign_parms_unsplit_complex): Likewise.
4572 * except.c (sjlj_build_landing_pads): Likewise.
4574 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4577 * tree-flow.h (add_referenced_var): Return bool instead of void.
4578 * tree-dfa.c (add_referenced_var): Return result of
4579 referenced_var_check_and_insert call.
4580 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4581 of referenced_var_check_and_insert.
4584 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4585 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4586 DIE, don't emit it if abstract origin already has it.
4587 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4588 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4590 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4592 * genpreds.c (needs_variable): Fix parentheses at variable name
4594 (write_tm_constrs_h): Indent generated code.
4596 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4598 * doc/extend.texi (Function Attributes): Add documentation
4601 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4604 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4605 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4607 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4609 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4612 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4615 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4616 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4618 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4620 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4621 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4622 constants instead of magic numbers.
4623 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4625 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4626 (x86_64_ms_abi_int_parameter_registers): Ditto.
4627 (x86_64_int_return_registers): Ditto.
4628 (ix86_maybe_switch_abi): Ditto.
4629 (ix86_expand_call): Ditto for clobbered_registers array.
4630 (ix86_hard_regno_mode_ok): Ditto.
4631 (x86_extended_QIreg_mentioned_p): Ditto.
4633 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4635 PR tree-optimization/39349
4636 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4638 * combine.c (gen_lowpart_for_combine): Use omode when generating
4641 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4643 PR rtl-optimization/39235
4644 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4646 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4648 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4650 2009-03-04 Richard Guenther <rguenther@suse.de>
4652 PR tree-optimization/39362
4653 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4654 that occur in abnormal PHIs should be varying.
4656 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4658 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4660 (simple_iv): Take loop as an argument instead of statement.
4661 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4662 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4664 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4666 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4667 * matrix-reorg.c (analyze_transpose): Ditto.
4668 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4669 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4670 * tree-predcom.c (ref_at_iteration): Ditto.
4671 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4673 2009-03-04 Richard Guenther <rguenther@suse.de>
4675 PR tree-optimization/39358
4676 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4677 escaped_id and callused_id.
4678 (solve_graph): Likewise.
4680 2009-03-04 Richard Guenther <rguenther@suse.de>
4682 PR tree-optimization/39339
4683 * tree-sra.c (try_instantiate_multiple_fields): Make it
4684 no longer ICE on the above.
4686 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4688 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4689 that fits within Pmode.
4691 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4694 * tm.texi (LIBCALL_VALUE): Update description.
4696 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4699 * doc/extend.texi (section): Update description.
4701 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4704 * tree-inline.c (remapped_type): New.
4705 (can_be_nonlocal): Call remapped_type instead of remap_type.
4707 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4710 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4711 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4713 2009-03-03 Richard Guenther <rguenther@suse.de>
4716 * tree.c (tree_nonartificial_location): New function.
4717 * tree.h (tree_nonartificial_location): Declare.
4718 * builtins.c (expand_builtin_memory_chk): Provide location
4719 of the call location for artificial function pieces.
4720 (maybe_emit_chk_warning): Likewise.
4721 (maybe_emit_sprintf_chk_warning): Likewise.
4722 (maybe_emit_free_warning): Likewise.
4723 * expr.c (expand_expr_real_1): Likewise.
4725 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4727 PR tree-optimization/39343
4728 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4729 COMPONENT_REF t has ARRAY_TYPE.
4731 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4734 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4735 when the type precision of the induction variable should be
4736 larger than the type precision of nit.
4737 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4738 * graphite.c (graphite_loop_normal_form): Same.
4739 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4741 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4743 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4744 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4745 numbers to describe clobbered registers.
4746 (*call_value_0_rex64_ms_sysv): Ditto.
4747 * config/i386/mmx.md (mmx_emms): Ditto.
4750 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4752 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4755 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4757 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4758 (spu_section_type_flags): New function.
4760 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4762 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4763 reg_class_contents of FLOAT_REGS into a temporary.
4765 2009-03-02 Richard Guenther <rguenther@suse.de>
4766 Ira Rosen <irar@il.ibm.com>
4768 PR tree-optimization/39318
4769 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4770 information to the vectorized statement.
4772 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4774 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4775 variable. Use defined names instead of magic constants for REX SSE
4778 2009-03-01 Richard Guenther <rguenther@suse.de>
4780 PR tree-optimization/39331
4781 * omp-low.c (lower_send_shared_vars): Do not receive new
4782 values for the reference of DECL_BY_REFERENCE parms or results.
4784 2009-03-01 Jan Hubicka <jh@suse.cz>
4787 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4788 BLOCK_NONLOCALIZED_VAR): New macros.
4789 (tree_block): Add nonlocalized_vars.
4790 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4791 gen_decl_die): Add origin argument. Allow generation of die with
4792 origin at hand only.
4793 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4794 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4796 (gen_block_die): Fix checking for unused blocks.
4797 (process_scope_var): Break out from .... ; work with origins only.
4798 (decls_for_scope) ... here; process nonlocalized list.
4799 (dwarf2out_ignore_block): Look for nonlocalized vars.
4800 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4802 (dump_scope_block): Dump them.
4803 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4804 (remap_block): Likewise.
4805 (can_be_nonlocal): New predicate.
4806 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4808 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4810 * configure: Regenerate.
4812 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4814 * optc-gen.awk: No need to duplicate option flags twice.
4815 Reuse help texts for duplicate options which do not have any.
4817 * gcc.c (display_help): Document --version.
4819 * gcc.c (main): If print_help_list and verbose_flag, ensure
4820 driver output comes before subprocess output.
4822 * optc-gen.awk: Assign all remaining fields to help string,
4823 space-separated, for multi-line help in *.opt.
4825 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4826 -Wno-pedantic-ms-format is for MinGW targets only.
4828 * doc/options.texi (Option file format): Fix bad indentation,
4829 restoring dropped sentence.
4831 2009-02-28 Jan Hubicka <jh@suse.cz>
4833 * tree-inline.c (tree_function_versioning): Output debug info.
4835 2009-02-28 Jan Hubicka <jh@suse.cz>
4838 * tree-inline.c (setup_one_parameter): Do not copy propagate
4839 arguments when not optimizing.
4841 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4844 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4845 (avx_addsubv4df3): Likewise.
4846 (*avx_addsubv4sf3): Likewise.
4847 (sse3_addsubv4sf3): Likewise.
4848 (*avx_addsubv2df3): Likewise.
4849 (sse3_addsubv2df3): Likewise.
4850 (avx_unpckhps256): Correct item selectors.
4851 (avx_unpcklps256): Likewise.
4852 (avx_unpckhpd256): Likewise.
4853 (avx_unpcklpd256): Likewise.
4855 2009-02-28 Jan Hubicka <jh@suse.cz>
4857 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4859 (copy_arguments_for_versioning): If var is declared don't declare it.
4860 (tree_function_versioning): First setup substitutions and then copy
4863 2009-02-27 Jan Hubicka <jh@suse.cz>
4866 * cgraph.h (varpool_output_debug_info): Remove.
4867 * cgraphunit.c (varpool_output_debug_info): Remove.
4868 * dwarf2out.c (deferred_locations_struct): New struct
4869 (deferred_locations): New type.
4870 (deferred_locations_list): New static var.
4871 (deffer_location): New function.
4872 (gen_variable_die): Use it.
4873 (decls_for_scope): Output info on local static vars.
4874 (dwarf2out_finish): Process deferred locations.
4875 * varpool.c (varpool_output_debug_info): Remove.
4877 2009-02-27 Jan Hubicka <jh@suse.cz>
4880 * tree.h (TREE_PROTECTED): Fix comment.
4881 (BLOCK_HANDLER_BLOCK): Remove.
4882 (struct tree_block): Remove handler_block add body_block.
4883 (inlined_function_outer_scope_p): New.
4884 (is_body_block): Remove.
4885 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4886 * dwarf2out.c (is_inlined_entry_point): Remove.
4887 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4888 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4890 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4891 * gimplify.c (gimplify_expr): Gimplify body blocks.
4892 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4893 block with multiple subblocks.
4894 (dump_scope_block): Prettier output; dump more flags and info.
4895 (dump_scope_blocks): New.
4896 (remove_unused_locals): Use dump_scope_blocks.
4897 * tree-flow.h (dump_scope_blocks): Declare.
4898 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4899 * stmt.c (is_body_block): Remove.
4900 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4901 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4903 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4906 * graphite.c (graphite_loop_normal_form): Do not call
4907 number_of_iterations_exit from a gcc_assert.
4909 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4911 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4912 jumps if COND is NULL.
4913 (find_cond_jump): New function.
4914 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4915 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4917 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4919 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4920 force_const_mem returns NULL_RTX.
4922 2009-02-26 Jan Hubicka <jh@suse.cz>
4925 * cgraph.h (varpool_output_debug_info): Remove.
4926 * cgraphunit.c (varpool_output_debug_info): Remove.
4927 * dwarf2out.c (deferred_locations_struct): New struct
4928 (deferred_locations): New type.
4929 (deferred_locations_list): New static var.
4930 (deffer_location): New function.
4931 (gen_variable_die): Use it.
4932 (decls_for_scope): Output info on local static vars.
4933 (dwarf2out_finish): Process deferred locations.
4934 * varpool.c (varpool_output_debug_info): Remove.
4936 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4938 PR rtl-optimization/39241
4939 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4940 to subreg_offset_representable_p.
4942 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4944 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4945 execute function prototype. Get f and nregs from max_reg_num
4946 and get_insns. Remove the first backward pass as it's dead,
4947 guard the forward pass by flag_expensive_optimizations.
4948 (rest_of_handle_regmove): Delete.
4949 (pass_regmove): Replace it with regmove_optimize.
4951 2009-02-25 Martin Jambor <mjambor@suse.cz>
4953 PR tree-optimization/39259
4954 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4955 calls_alloca function flags.
4956 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4959 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4961 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4962 flags_set_1_rtx, flags_set_1_set): Delete.
4963 (regmove_optimize): Do not call mark_flags_life_zones.
4965 2009-02-24 Julian Brown <julian@codesourcery.com>
4968 * config/arm/arm.c (require_pic_register): Only set
4969 cfun->machine->pic_reg once per function.
4971 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4973 * doc/invoke.texi (Link Options): Document an easier way to pass
4974 options that take arguments to the GNU linker using -Xlinker and -Wl.
4976 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4979 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4981 2009-02-24 Richard Guenther <rguenther@suse.de>
4984 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4986 2009-02-24 Richard Guenther <rguenther@suse.de>
4987 Zdenek Dvorak <ook@ucw.cz>
4989 PR tree-optimization/39233
4990 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4991 from converting them to a generic type.
4993 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4995 PR tree-optimization/39260
4996 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4997 contains a condition with a real type.
4998 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
5000 2009-02-23 Jason Merrill <jason@redhat.com>
5003 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5004 narrowing_initializer_constant_valid_p.
5005 (narrowing_initializer_constant_valid_p): Don't return
5006 null_pointer_node for adding a pointer to itself.
5008 2009-02-23 Jan Hubicka <jh@suse.cz>
5011 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5014 2009-02-23 Jan Hubicka <jh@suse.cz>
5016 PR tree-optimization/37709
5017 * tree.c (block_ultimate_origin): Move here from dwarf2out.
5018 * tree.h (block_ultimate_origin): Declare.
5019 * dwarf2out.c (block_ultimate_origin): Move to tree.c
5020 * tree-ssa-live.c (remove_unused_scope_block_p):
5021 Eliminate blocks containig no instructions nor live variables nor
5023 (dump_scope_block): New function.
5024 (remove_unused_locals): Enable removal of dead blocks by default;
5025 enable dumping at TDF_DETAILS.
5027 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
5029 * config/i386/i386.c (classify_argument): Don't allow COImode
5031 (function_arg_advance_32): Don't allow OImode.
5032 (function_arg_32): Likewise.
5033 (function_value_32): Likewise.
5034 (return_in_memory_32): Likewise.
5035 (function_arg_64): Remove OImode comment.
5037 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
5040 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5041 ix86_expand_vector_set for V4DImode in 64bit mode only.
5042 (ix86_expand_vector_init_one_var): Likewise.
5044 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
5046 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5048 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
5051 * loop-iv.c: Revert last change.
5052 * emit-rtl.c: Likewise.
5054 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
5057 * config/i386/i386.c (type_natural_mode): Remove an extra
5058 space in the warning message.
5059 (function_value_32): Handle 32-byte vector modes.
5060 (return_in_memory_32): Likewise.
5062 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
5064 * loop-iv.c (truncate_value): New function.
5065 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5067 (lowpart_subreg): Move to...
5068 * emit-rtl.c: ...here.
5070 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
5072 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5073 accidental and undocumented change at revision 140860.
5075 2009-02-21 Joseph Myers <joseph@codesourcery.com>
5077 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5078 take gimple_seq * arguments.
5079 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5080 types_compatible_p langhook.
5082 2009-02-20 Mark Mitchell <mark@codesourcery.com>
5083 Joseph Myers <joseph@codesourcery.com>
5085 * config/arm/arm.c (arm_builtin_va_list): New function.
5086 (arm_expand_builtin_va_start): Likewise.
5087 (arm_gimplify_va_arg_expr): Likewise.
5088 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5089 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5090 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5091 (va_list_type): New variable.
5092 (arm_mangle_type): Mangle va_list_type appropriately.
5094 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5097 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5098 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5099 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5100 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5101 parameter to 1000 for -O1 by default.
5102 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5104 * loop-invariant.c: Include params.h.
5105 (move_loop_invariants): Don't call move_single_loop_invariants on
5108 2009-02-20 Jaka Mocnik <jaka@xlab.si>
5110 * calls.c (emit_library_call_value_1): Use slot_offset instead of
5111 offset when calculating bounds for indexing stack_usage_map. Fixes
5112 a buffer overflow with certain target setups.
5114 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5117 * calls.c (expand_call): Clear try_tail_call if caller and callee
5118 disagree in promotion of function return value.
5120 2009-02-19 Jakub Jelinek <jakub@redhat.com>
5123 * c-common.c (c_determine_visibility): If visibility changed and
5124 DECL_RTL has been already set, call make_decl_rtl to update symbol
5127 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
5130 * varasm.c (assemble_variable): Don't check DECL_NAME when
5131 globalizing a variable.
5133 2009-02-19 Joseph Myers <joseph@codesourcery.com>
5136 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5137 expression before any __builtin_trap call.
5138 * c-typeck.c (build_function_call): Convert and check function
5139 arguments before generating a call to a trap. Evaluate the
5140 function arguments before the trap.
5142 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
5145 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5146 (UNSPEC_FXAM_MEM): New unspec.
5147 (fxam<mode>2_i387_with_temp): New insn and split pattern.
5148 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
5149 memory using fxam<mode>2_i387_with_temp to remove excess precision.
5151 2009-02-19 Richard Guenther <rguenther@suse.de>
5153 PR tree-optimization/39207
5154 PR tree-optimization/39074
5155 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5156 storedanything_tree): New.
5157 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
5158 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5159 (build_succ_graph): Add edges from STOREDANYTHING to all
5161 (init_base_vars): Initialize STOREDANYTHING.
5162 (compute_points_to_sets): Free substitution info after
5163 building the succ graph.
5164 (ipa_pta_execute): Likewise.
5166 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5168 (do_ds_constraint): Do not add to special var or non-pointer
5170 (type_could_have_pointers): Split out from ...
5171 (could_have_pointers): ... here. For arrays use the element type.
5172 (create_variable_info_for): Initialize may_have_pointers.
5173 (new_var_info): Likewise.
5174 (handle_lhs_call): Make the HEAP variable unknown-sized.
5175 (intra_create_variable_infos): Use a type with pointers for
5176 PARM_NOALIAS, make it unknown-sized.
5178 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
5181 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5183 2009-02-18 Jason Merrill <jason@redhat.com>
5186 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5187 value if DECL_EXTERNAL.
5188 * tree-sra.c (sra_walk_gimple_assign): Likewise.
5189 * target.h (gcc_target::binds_local_p): Clarify "module".
5190 * tree.h (TREE_PUBLIC): Clarify "module".
5192 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
5195 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5196 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5198 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
5201 * c.opt (Wabi): Support C and ObjC.
5204 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5206 * config/i386/i386.c (classify_argument): Warn once about the ABI
5207 change when passing union with long double.
5209 * doc/invoke.texi: Update -Wabi for warning psABI changes.
5211 2009-02-18 Joseph Myers <joseph@codesourcery.com>
5214 * c-parser.c (c_parser_compound_statement): Always enter and leave
5217 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5220 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5222 2009-02-18 Jakub Jelinek <jakub@redhat.com>
5224 PR tree-optimization/36922
5225 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5226 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5229 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5231 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5234 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5236 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5238 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5240 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5243 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
5244 Richard Sandiford <rdsandiford@googlemail.com>
5246 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5247 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5248 (loongson_biadd): ...this.
5250 2009-02-17 Richard Guenther <rguenther@suse.de>
5252 PR tree-optimization/39202
5253 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5254 a var make sure to follow existing collapses.
5256 2009-02-17 Richard Guenther <rguenther@suse.de>
5259 * langhooks.c (lhd_print_error_function): Check for NULL block.
5261 2009-02-17 Richard Guenther <rguenther@suse.de>
5263 PR tree-optimization/39204
5264 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5267 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
5269 * config/soft-fp/double.h: Update from glibc CVS.
5271 2009-02-17 Richard Guenther <rguenther@suse.de>
5273 PR tree-optimization/39207
5274 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5275 strict-aliasing warnings for pointers pointing to NULL.
5277 2009-02-16 Joseph Myers <joseph@codesourcery.com>
5280 * c-parser.c (c_parser_braced_init): Call pop_init_level when
5281 skipping until next close brace.
5283 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
5286 * config/i386/i386.c (ix86_expand_push): Set memory alignment
5287 to function argument boundary.
5289 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5291 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5292 in the lea_add. Reload eventually constraints it properly.
5293 * config/picochip/constraints.md : Remove the target constraint
5294 "b", since it is not needed anymore.
5296 2009-02-16 Jakub Jelinek <jakub@redhat.com>
5298 * gthr-dce.h: Uglify function parameter and local variable names.
5299 * gthr-gnat.h: Likewise.
5300 * gthr-mipssde.h: Likewise.
5301 * gthr-nks.h: Likewise.
5302 * gthr-posix95.h: Likewise.
5303 * gthr-posix.h: Likewise.
5304 * gthr-rtems.h: Likewise.
5305 * gthr-single.h: Likewise.
5306 * gthr-solaris.h: Likewise.
5307 * gthr-tpf.h: Likewise.
5308 * gthr-vxworks.h: Likewise.
5309 * gthr-win32.h: Likewise.
5311 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
5314 * config/i386/i386.md: Restrict the new peephole2 to move
5315 between MMX/SSE registers.
5317 2009-02-15 Richard Guenther <rguenther@suse.de>
5320 2009-02-13 Richard Guenther <rguenther@suse.de>
5322 * configure.ac: Enable LFS.
5323 * configure: Re-generate.
5324 * config.in: Likewise.
5326 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5328 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5329 spu_srqwbyte, spu_srqwbytebc): Define.
5330 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5331 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5332 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5333 "shrqby_<mode>"): New insn-and-split patterns.
5334 * config/spu/spu.c (expand_builtin_args): Determine and return
5335 number of operands using spu_builtin_description data.
5336 (spu_expand_builtin_1): Use it.
5338 2009-02-13 Steve Ellcey <sje@cup.hp.com>
5341 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5344 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5347 * config/i386/i386.c (override_options): Correct warning
5348 messages for -malign-loops, -malign-jumps and -malign-functions.
5350 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5353 * config/i386/i386.md: Restrict the new peephole2 to move
5354 between the general purpose registers.
5356 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5359 * config/i386/i386.c (type_natural_mode): Add a new argument.
5360 Return the original mode and warn ABI change if vector size is 32byte.
5361 (function_arg_advance): Updated.
5362 (function_arg): Likewise.
5363 (ix86_function_value): Likewise.
5364 (ix86_return_in_memory): Likewise.
5365 (ix86_sol10_return_in_memory): Likewise.
5366 (ix86_gimplify_va_arg): Likewise.
5367 (function_arg_32): Don't warn ABX ABI change here.
5368 (function_arg_64): Likewise.
5370 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
5372 * loop-iv.c (implies_p): In the final case, test that operands 0
5373 of the two comparisons match.
5375 * config/bfin/bfin.c (find_prev_insn_start): New function.
5376 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5377 (find_next_insn_start): Move.
5379 2009-02-13 Richard Guenther <rguenther@suse.de>
5381 * configure.ac: Enable LFS.
5382 * configure: Re-generate.
5383 * config.in: Likewise.
5385 2009-02-13 Joseph Myers <joseph@codesourcery.com>
5388 * c-parser.c (c_parser_parms_list_declarator): Discard pending
5389 sizes on syntax error after some arguments have been parsed.
5391 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5393 * doc/invoke.texi (-fira): Remove.
5395 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5397 * caller-save.c: Replace regclass.c with reginfo.c in comments.
5398 * recog.c: Likewise.
5401 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
5403 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5404 (umul_ppmm): Likewise.
5405 (count_leading_zeros): Likewise.
5406 (count_trailing_zeros): Likewise.
5407 (UMUL_TIME): Likewise.
5409 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5411 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5412 soft-fp/t-softfp to tmake_file.
5414 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5415 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5416 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5417 IA64_BUILTIN_INFQ]: New.
5418 (ia64_init_builtins): Initialize __builtin_infq,
5419 __builtin_fabsq and __builtin_copysignq if not HPUX.
5420 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5421 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5423 * config/ia64/lib1funcs.asm (__divtf3): Define only if
5425 (__fixtfti): Likewise.
5426 (__fixunstfti): Likewise.
5427 (__floattitf): Likewise.
5429 * config/ia64/libgcc-glibc.ver: New.
5430 * config/ia64/t-fprules-softfp: Likewise.
5431 * config/ia64/sfp-machine.h: Likewise.
5433 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5434 (LIBGCC2_TF_CEXT): Likewise.
5435 (TF_SIZE): Likewise.
5436 (TARGET_INIT_LIBFUNCS): Likewise.
5438 * config/ia64/t-glibc (SHLINB_MAPFILES):
5439 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5441 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5443 * config/i386/i386.c (construct_container): Rewrite processing
5444 BLKmode with X86_64_SSE_CLASS.
5446 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5449 * config/i386/i386.md: Replace simplify_replace_rtx with
5450 replace_rtx in the new peephole2.
5452 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5454 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5455 loop unrolling do not happen at -O2.
5457 2009-02-12 Michael Matz <matz@suse.de>
5459 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5461 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5463 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5466 2009-02-12 Ben Elliston <bje@au.ibm.com>
5468 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5469 patterns when updating the back chain. Missed in the 2009-02-10
5472 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5474 * doc/extend.texi (Decimal Floating Types): Update identifier of
5475 draft TR and list of missing support.
5477 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5480 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5481 bit to variable length decl's flags, add it also to its
5482 pointer replacement variable.
5484 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5485 Jakub Jelinek <jakub@redhat.com>
5488 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5489 (memory_blockage): New expander.
5490 (*memory_blockage): New insn pattern.
5491 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5492 instead of general blockage at the end of function prologue when
5493 frame pointer is used to access red zone area. Do not emit blockage
5494 when profiling, it is emitted in generic code.
5495 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5496 function epilogue when frame pointer is used to access red zone area.
5498 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5501 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5502 by arithmetic with memory operands.
5503 * config/i386/predicates.md (commutative_operator): New.
5505 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5507 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5510 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5512 * alias.h (record_alias_subset): Declare.
5513 * alias.c (record_alias_subset): Make global.
5515 2009-02-10 Nick Clifton <nickc@redhat.com>
5517 * tree-parloops.c: Change license to GPLv3.
5518 * ipa-struct-reorg.c: Change license to GPLv3.
5519 * ipa-struct-reorg.h: Change license to GPLv3.
5521 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5524 * c-decl.c (start_struct): Return NULL on error.
5526 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5529 * cfgloopmanip.c (remove_path): Call remove_bbs after
5530 cancel_loop_tree, not before it.
5533 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5534 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5535 VAR_DECLs were seen.
5536 * tree-ssa-live.c (remove_unused_locals): Recompute
5537 cfun->has_local_explicit_reg_vars.
5538 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5539 copies or clearings if cfun->has_local_explicit_reg_vars.
5541 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5544 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5545 of function prologue when frame pointer is used to access
5548 2009-02-10 Richard Guenther <rguenther@suse.de>
5551 * gimplify.c (gimple_regimplify_operands): Always look if
5552 we need to create a temporary.
5554 2009-02-10 Richard Guenther <rguenther@suse.de>
5556 PR tree-optimization/39132
5557 * tree-loop-distribution.c (todo): New global var.
5558 (generate_memset_zero): Trigger TODO_rebuild_alias.
5559 (tree_loop_distribution): Return todo.
5561 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5564 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5565 (x86_64_reg_class_name): Removed.
5566 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5567 first one isn't X86_64_SSE_CLASS or any other ones aren't
5568 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5569 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5570 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5571 and 3 X86_64_SSEUP_CLASS.
5572 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5573 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5575 2009-02-10 Ben Elliston <bje@au.ibm.com>
5577 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5578 form instruction to update the stack back chain word, even if the
5579 user has disabled the generation of update instructions.
5580 (movdi_<mode>_update_stack): New.
5581 (movsi_update_stack): Likewise.
5582 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5583 always use an update form instruction to update the stack back
5586 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5589 * graphite.c (if_region_set_false_region): After moving a region in
5590 the false branch of a condition, remove the empty dummy basic block.
5591 (gloog): Remove wrong fix for PR38953.
5593 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5595 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5596 generation due to implicit sign extension.
5598 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5601 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5602 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5604 2009-02-09 Richard Guenther <rguenther@suse.de>
5607 * convert.c (convert_to_real): Disable (float)fn((double)x)
5608 to fnf(x) conversion if errno differences may occur and
5609 -fmath-errno is set.
5611 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5613 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5614 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5615 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5617 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5620 * c-common.c (handle_alias_attribute): Disallow attribute for
5621 anything not a FUNCTION_DECL or VAR_DECL.
5623 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5626 * real.c (do_compare): Special-case compare of zero against
5627 decimal float value.
5629 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5632 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5633 as indicating flexible array members unless the field itself is
5634 being declarared as the incomplete array.
5636 2009-02-06 Jan Hubicka <jh@suse.cz>
5638 PR tree-optimization/38844
5639 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5642 2009-02-06 Richard Guenther <rguenther@suse.de>
5645 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5646 fork because we may expand it as __gcov_fork.
5648 2009-02-06 Nick Clifton <nickc@redhat.com>
5650 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5652 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5654 PR tree-optimization/35659
5655 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5656 vn_phi_eq): Shortcut if hashcode does not match.
5657 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5659 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5660 and avoid iterative_hash_expr.
5661 (FOR_EACH_VALUE_ID_IN_SET): New.
5662 (value_id_compare): Remove.
5663 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5664 sort expressions by value id.
5666 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5669 * config/sh/predicates.md (general_movsrc_operand): Don't check
5670 the subreg of system registers here.
5672 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5675 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5678 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5680 PR rtl-optimization/39110
5681 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5682 addresses, not aligned ones.
5684 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5685 Richard Guenther <rguenther@suse.de>
5687 PR tree-optimization/39100
5688 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5689 comment says and add edges.
5691 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5694 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5695 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5697 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5699 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5700 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5701 register_bb_in_sese, new_sese, free_sese): Moved.
5702 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5703 outermost_loop_in_scop, build_scop_iteration_domain,
5704 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5705 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5706 Use loop_in_sese_p instead of loop_in_scop_p.
5707 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5708 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5709 (scopdet_basic_block_info): Fix bug in scop detection.
5710 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5711 eq_loop_to_cloog_loop): Remove.
5712 (nb_loops_around_loop_in_scop, nb_loop
5713 ref_nb_loops): Moved here...
5714 * graphite.h (ref_nb_loops): ... from here.
5715 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5716 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5717 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5718 * testsuite/gcc.dg/graphite/scop-19.c: New
5720 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5721 Hans-Peter Nilsson <hp@axis.com>
5723 PR rtl-optimization/37889
5724 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5725 Move offset handling from PLUS to before the switch. Use new
5726 arguments when considering SYMBOL_REFs too.
5727 (rtx_addr_can_trap_p): Pass dummy offset and size.
5728 (enum may_trap_p_flags): Remove.
5729 (may_trap_p_1): Pass size from MEM_SIZE.
5731 PR rtl-optimization/38921
5732 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5733 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5734 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5735 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5737 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5739 AVX Programming Reference (January, 2009)
5740 * config/i386/sse.md (*vpclmulqdq): New.
5742 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5744 PR tree-optimization/38977
5745 PR gcov-profile/38292
5746 * calls.c (special_function_p): Disregard __builtin_ prefix.
5748 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5750 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5751 non-indexable addresses even before reload.
5753 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5756 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5757 as having variable size. Do not give an error for unnamed
5758 parameters with [*] declarators. Give a warning for type names
5759 with [*] declarators and mark them as variable size.
5760 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5761 for sizeof applied to [*] type names.
5763 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5766 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5768 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5770 * gcc.c (process_command): Update copyright notice dates.
5771 * gcov.c (print_version): Likewise.
5772 * gcov-dump.c (print_version): Likewise.
5773 * mips-tfile.c (main): Likewise.
5774 * mips-tdump.c (main): Likewise.
5776 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5779 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5780 for composite type involving a zero-length array type.
5782 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5785 * function.c (match_asm_constraints_1): Skip over
5786 initial optional % in the constraint.
5789 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5790 supported, don't accept FIXED_CSTs.
5791 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5792 and _Sat is used without _Fract/_Accum. Set specs->type to
5793 integer_type_node for cts_fract/cts_accum if fixed point is not
5796 2009-02-02 Catherine Moore <clm@codesourcery.com>
5798 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5800 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5802 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5803 (ABI_HAS_64BIT_SYMBOLS): Use it.
5804 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5806 2009-02-02 Paul Brook <paul@codesourcery.com>
5808 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5810 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5813 * recog.h (asm_operand_ok): Add constraints argument.
5814 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5815 recurse on matching constraint.
5816 (check_asm_operands): Pass constraints as 3rd argument to
5817 asm_operand_ok. Don't look up matching constraint here.
5818 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5821 2009-02-02 Ben Elliston <bje@au.ibm.com>
5823 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5824 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5826 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5828 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5829 information. Remove some obsolete information. Reorganize.
5831 * config/pa/fptr.c: Revert license to GPL 2.
5832 * config/pa/milli64.S: Likewise.
5834 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5837 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5838 LIBRARY name in, instead of hard-coding it.
5839 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5840 extra target make frag to tmake_files according to EH model.
5841 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5842 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5843 frags that define makefile variable EH_MODEL appropriately.
5844 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5845 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5846 to "-sjlj" according to type of EH configured.
5847 (LIBGCC_SONAME): Concatenate it to shared library base name.
5848 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5849 to "_sjlj" according to type of EH configured.
5850 (LIBGCC_SONAME): Concatenate it to shared library base name.
5851 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5852 (SHLIB_LINK): Add missing semicolon to if-else construct.
5853 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5854 string value of "pe_dll" command-line option.
5855 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5856 (SHLIB_SONAME): Use it when overriding t-cygming default.
5857 (SHLIB_IMPLIB): Override t-cygming default.
5858 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5859 string value of "pe_dll" command-line option.
5861 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5864 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5865 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5867 2009-01-31 Richard Guenther <rguenther@suse.de>
5869 PR tree-optimization/38937
5870 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5871 computing the transitive closure.
5873 2009-01-30 Richard Guenther <rguenther@suse.de>
5875 PR tree-optimization/39041
5876 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5877 Propagate variable indices only if the types match for this stmt.
5879 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5882 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5883 inline but never defined.
5885 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5887 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5888 (*insv_h_di_reg_extimm): New insn.
5889 (*insv_l<mode>_reg_extimm): New insn.
5891 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5893 * config/picochip/picochip.c (flag_conserve_stack): set
5894 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5895 fconserve-stack. Reduce call-overhead used by inliner.
5897 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5900 * common.opt (flag_conserve_stack): Initialised to zero.
5902 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5905 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5906 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5909 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5911 * ira-color.c (allocno_reload_assign): Update comments.
5912 * regmove.c (regmove_optimize): Likewise.
5916 2009-01-29 Robert Millan <rmh@aybabtu.com>
5918 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5919 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5920 `MD_UNWIND_SUPPORT'.
5921 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5923 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5925 PR tree-optimization/39007
5926 * tree-loop-distribution.c (generate_builtin): Use
5927 recompute_dominator to compute the immediate dominator of the
5928 basic block just after the loop.
5930 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5932 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5933 (ASM_OUTPUT_DWARF_PCREL): Define.
5935 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5937 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5938 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5939 global. Modify entries about regmove and IRA.
5941 * ra-conflict.c: Remove the file.
5943 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5945 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5946 (pass_regclass_init): Rename to pass_reginfo_init.
5948 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5950 * toplev.h (flag_ira): Remove.
5952 * caller-save.c (setup_save_areas): Remove flag_ira.
5954 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5956 * global.c: Remove the file.
5958 * opts.c (decode_options): Remove flag_ira.
5960 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5962 * regmove.c: Modify file description.
5963 (find_use_as_address, try_auto_increment): Define them only if
5964 AUTO_INC_DEC is defined.
5965 (replacement_quality, replace_in_call_usage, fixup_match_1,
5966 stable_and_no_regs_but_for_p): Remove.
5967 (reg_set_in_bb): Make it static.
5968 (regmove_optimize): Remove flag_ira and code which worked for
5971 * local-alloc.c: Remove the file.
5973 * common.opt (fira): Remove.
5975 * ira.c: Include except.h.
5976 (eliminable_regset): Move from global.c.
5977 (mark_elimination): Ditto. Remove flag_ira.
5978 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5979 equiv_mem_modified, validate_equiv_mem_from_store,
5980 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5981 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5982 no_equiv, recorded_label_ref): Move from local-alloc.c.
5983 (update_equiv_regs): Ditto. Make it static.
5984 (print_insn_chain, print_insn_chains): Move it from global.c.
5985 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5986 (build_insn_chain): Ditto. Make it static.
5987 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5988 Rename to init_live_subregs.
5989 (gate_ira): Remove flag_ira.
5991 * regclass.c: Rename reginfo.c. Change file description.
5992 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5993 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5994 (init_reg_sets_1): Remove code for evaluation of
5995 reg_class_superclasses and losing_caller_save_reg_set.
5996 (init_regs): Remove init_reg_autoinc.
5997 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5998 ok_for_base_p_nonstrict): Remove.
5999 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
6000 (pass_regclass_init): Rename to pass_reginfo_init. Modify
6001 corresponding entries.
6002 (dump_regclass, record_operand_costs, scan_one_insn,
6003 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6004 record_address_regs, auto_inc_dec_reg_p): Remove.
6005 (gt-regclass.h): Rename to gt-reginfo.h.
6007 * rtl.h (dump_global_regs, retry_global_alloc,
6008 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6010 * Makefile.in (RA_H): Remove.
6011 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6012 Rename regclass.o to reginfo.o.
6013 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
6015 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6016 (GTFILES): Rename regclass.c to reginfo.c.
6018 * passes.c (init_optimization_passes): Remove pass_local_alloc and
6019 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
6021 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6022 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6024 (finish_spills): Ditto. Remove code for !flag_ira.
6026 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6029 * doc/invoke.texi (rtl debug options): Complete rewrite.
6030 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6032 * mode-switching.c (pass_mode_switching): Rename pass from
6033 "mode-sw" to "mode_sw".
6034 * except.c (pass_convert_to_eh_ranges): Rename pass from
6035 "eh-ranges" to "eh_ranges".
6036 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6040 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
6041 Alexander Monakov <amonakov@ispras.ru>
6044 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6046 (move_exprs_to_boundary): Change return type and pass through
6047 should_move from move_op. Relax assert. Update usage ...
6048 (schedule_expr_on_boundary): ... here. Use should_move instead of
6050 (move_op_orig_expr_found): Indicate that insn was disconnected from
6052 (code_motion_process_successors): Do not call after_merge_succs
6053 callback if original expression was not found when traversing any of
6055 (code_motion_path_driver): Change return type. Update prototype.
6056 (move_op): Update comment. Add a new parameter (should_move). Update
6057 prototype. Set *should_move based on indication provided by
6058 move_op_orig_expr_found.
6060 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
6062 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6063 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6064 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6065 * config/rs6000/rs6000.c (rs6000_override_options): Default
6066 avoid-indexed-addresses on for Power6, off for everything else.
6067 (avoiding_indexed_address_p): New function.
6068 (rs6000_legitimize_address): Use it.
6069 (rs6000_legitimate_address): Likewise.
6070 * config/rs6000/rs6000.md (movXX_updateX): Likewise
6072 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
6074 PR tree-optimization/38997
6075 * tree-loop-distribution.c (generate_memset_zero): Use
6076 POINTER_PLUS_EXPR for a pointer addition.
6078 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
6080 * config/s390/s390.md (bswap<mode>2): New pattern added.
6082 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6084 * config/s390/s390.md (*tls_load_31): Added type attribute.
6086 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6088 * config/s390/s390.md: Fix a few comments.
6090 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6092 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6093 (*tm<mode>_full): Fixed z10prop attribute.
6094 (*tst<mode>_extimm): Fixed z10prop attribute.
6095 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6096 (*tstqiCCT_cconly): Fixed z10prop attribute.
6097 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6098 (*movsi_larl): Fixed z10prop attribute.
6099 (*movsi_zarch): Fixed z10prop attribute.
6100 (*movsi_eas): Fixed z10prop attribute.
6101 (*movhi): Fixed z10prop attribute.
6102 (*movqi): Fixed z10prop attribute.
6103 (*movstrictqi): Fixed z10prop attribute.
6104 (*mov<mode>): Fixed z10prop attribute.
6105 (*movcc): Fixed z10prop attribute.
6106 (*sethighpartdi_64): Fixed z10prop attribute.
6107 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6108 (*negdi2_sign_cc): Fixed z10prop attribute.
6109 (*negdi2_sign): Fixed z10prop attribute.
6110 (*absdi2_sign_cc): Fixed z10prop attribute.
6111 (*absdi2_sign): Fixed z10prop attribute.
6112 (*negabsdi2_sign_cc): Fixed z10prop attribute.
6113 (*negabsdi2_sign): Fixed z10prop attribute.
6114 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6115 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6116 (doloop_si64): Fixed z10prop attribute.
6117 (doloop_si31): Fixed z10prop attribute.
6118 (doloop_long): Fixed z10prop attribute.
6119 (indirect_jump): Fixed z10prop attribute.
6120 (nop): Fixed z10prop attribute.
6121 (main_base_64): Fixed z10prop attribute.
6122 (reload_base_64): Fixed z10prop attribute.
6124 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6126 PR rtl-optimization/38740
6127 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6129 * config/mips/mips.c (mips_reorg): Likewise.
6131 2009-01-28 Richard Guenther <rguenther@suse.de>
6133 PR tree-optimization/38926
6134 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6135 with the correct value id to a value.
6136 (do_regular_insertion): Use the value number of edoubleprime
6137 for the value number of the expr.
6140 2008-08-21 Richard Guenther <rguenther@suse.de>
6142 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6143 a PHI ask VN if it is already available.
6144 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6145 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6147 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6150 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6151 set to varying whenever max has TREE_OVERFLOW set, similarly
6152 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6154 2009-01-28 Richard Guenther <rguenther@suse.de>
6157 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6158 uninitialized aggregate uses in call arguments.
6160 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
6162 PR tree-optimization/38984
6163 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6164 the nothing_id variable if -fno-delete-null-pointer-checks.
6166 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
6169 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6170 (set_got_offset_rex64): Ditto.
6172 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
6175 * doc/extend.texi: Improve local variable with asm reg.
6177 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
6179 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6180 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6181 was not supplied then set warn_packed_bitfield_compat to the
6183 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6186 2009-01-27 Richard Guenther <rguenther@suse.de>
6188 PR tree-optimization/38503
6189 * cfgexpand.c (expand_gimple_basic_block): Ignore
6190 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6191 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6192 variables that cannot have TBAA applied.
6193 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6196 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
6199 * calls.c (initialize_argument_information): Do not wrap complex
6200 arguments in SAVE_EXPR.
6202 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
6204 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6205 (INSTALL_LIBGCC): Revert typo commit.
6207 2009-01-26 Richard Guenther <rguenther@suse.de>
6209 PR tree-optimization/38745
6210 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6211 from special handling.
6213 2009-01-26 Richard Guenther <rguenther@suse.de>
6215 PR tree-optimization/38745
6216 * tree-ssa.c (execute_update_addresses_taken): Do not include
6217 variables that cannot possibly be a register in not_reg_needs.
6218 Do not clear TREE_ADDRESSABLE on vars that may not become
6220 * tree-ssa.c (update_alias_info_1): Include those in the set
6221 of addressable vars.
6223 2009-01-26 Richard Guenther <rguenther@suse.de>
6226 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6227 * tree-ssa-dse.c: Include langhooks.h
6228 (execute_simple_dse): Remove stores with zero size.
6230 2009-01-24 Jakub Jelinek <jakub@redhat.com>
6233 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6236 2009-01-24 Julian Brown <julian@codesourcery.com>
6238 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6239 config/arm/linux-atomic.c.
6240 * config/arm/linux-atomic.c: New.
6242 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
6244 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6245 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6246 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6248 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
6251 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6254 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
6256 PR tree-optimization/38953
6257 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6258 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6259 (gloog): Split the exit of the scop when the scop exit is a loop exit.
6260 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6263 2009-01-24 Paul Brook <paul@codesourcery.com>
6265 * config/arm/neon.md (neon_type): Move to arm.md.
6266 (neon_mov<VSTRUCT>): Add neon_type attribute.
6267 * config/arm/arm.md (neon_type): Move to here.
6268 (conds): Add "unconditioal" and use as default for NEON insns.
6270 2009-01-24 Ben Elliston <bje@au.ibm.com>
6272 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6273 void *' warning from -Wc++-compat.
6274 * Makefile.in (dominance.o-warn): Remove.
6276 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
6278 PR tree-optimization/38932
6279 * fold-const.c (fold_unary_ignore_overflow): New.
6280 * tree.h (fold_unary_ignore_overflow): Declare.
6281 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6282 * tree-ssa-sccvn.c (visit_reference_op_load,
6283 simplify_unary_expression): Likewise.
6285 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
6287 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6288 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
6289 regardless of their type.
6290 * c-common.c (handle_packed_attribute): Don't ignore packed on
6292 * c.opt (Wpacked-bitfield-compat): New warning option.
6293 * stor-layout.c (place_field): Warn if offset of a field changed.
6294 * doc/extend.texi (packed): Mention the ABI change.
6295 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6296 (Warning Options): Add it to the list.
6298 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
6300 * c-opts.c (c_common_post_options): Fix a typo in comments.
6302 2009-01-22 Steve Ellcey <sje@cup.hp.com>
6305 * gimplify.c (gimplify_init_constructor): Fix promotion of const
6306 variables to static.
6307 * doc/invoke.texi (-fmerge-all-constants): Update description.
6309 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
6312 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6313 (*movdi_1_rex64): Use type "mmx" for alternative 5.
6315 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
6317 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6319 (LOCAL_ALIGNMENT): Similarly.
6321 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6322 Joseph Myers <joseph@codesourcery.com>
6324 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6325 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6326 * config/arm/arm-tune.md: Regenerate.
6327 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6330 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6332 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6333 version number to five.
6335 2009-01-22 Dodji Seketeli <dodji@redhat.com>
6338 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6339 * c-common.c (set_underlying_type): Likewise.
6340 (is_typedef_decl ): Likewise
6342 (set_underlying_type): Likewise.
6343 (is_typedef_type): Likewise.
6345 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
6348 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6351 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6354 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
6355 (LIBGCC_SPEC): Don't define.
6356 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
6358 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
6360 PR rtl-optimization/38879
6361 * alias.c (base_alias_check): Unaligned access via AND address can
6362 alias all surrounding object types except those with sizes equal
6363 or wider than the size of unaligned access.
6365 2009-01-21 Dodji Seketeli <dodji@redhat.com>
6368 * c-decl.c (clone_underlying_type): Move this ...
6369 * c-common.c (set_underlying_type): ... here.
6370 Also, make sure the function properly sets TYPE_STUB_DECL() on
6371 the newly created typedef variant type.
6372 (is_typedef_decl ): New entry point.
6373 * tree.h: Added a new member member_types_needing_access_check to
6374 struct tree_decl_non_common.
6375 (set_underlying_type): New entry point.
6376 (is_typedef_type): Likewise.
6378 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
6380 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6381 Check whether two instructions have memory references that
6382 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
6383 are helper functions for traversing.
6384 * alias.h (insn_alias_sets_confilict_p): New prototypes.
6385 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6386 not to draw dependency edge for instructions with non-conflicting
6389 2009-01-20 Joseph Myers <joseph@codesourcery.com>
6392 * longlong.h: Update copyright years. Use soft-fp license notice.
6393 Sync __clz_tab declaration with glibc.
6395 2009-01-20 Steve Ellcey <sje@cup.hp.com>
6398 * doc/extend.texi (syscall_linkage): New.
6399 (version_id): Modify.
6401 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
6402 Richard Guenther <rguenther@suse.de>
6404 PR tree-optimization/38747
6405 PR tree-optimization/38748
6406 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6407 conversion if the base address is an indirect reference and the
6408 aliasing sets could cause issues.
6410 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6412 * common.opt (fgraphite, fgraphite-identity): Add comment for
6413 explaining why these options are not documented.
6415 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6417 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6418 gimple_call_lhs is NULL.
6420 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
6423 * emit-rtl.c (adjust_address_1): Make sure memref is never
6426 2009-01-20 Ben Elliston <bje@au.ibm.com>
6428 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6429 const qualifier from arg parameter. Remove unnecessary cast to char *.
6430 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6431 const qualifier from arg 2.
6433 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6435 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6437 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
6440 * rtl.h (reinit_regs): New prototype.
6441 * regclass.c: Include ira.h.
6443 * Makefile.in (regclass.o): Add ira.h.
6444 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6446 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6449 * c-common.c (handle_aligned_attribute): Use
6450 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6451 default alignment value.
6453 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6455 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6456 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6458 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6459 __BIGGEST_ALIGNMENT__.
6461 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6463 2009-01-18 Richard Guenther <rguenther@suse.de>
6465 PR tree-optimization/38819
6466 * tree-flow.h (operation_could_trap_helper_p): Declare.
6467 * tree-eh.c (operation_could_trap_helper_p): Export.
6468 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6469 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6470 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6471 are about to insert a possibly trapping instruction and fail
6474 2009-01-18 Andreas Schwab <schwab@suse.de>
6476 * doc/install.texi (Configuration): Remove obsolete paragraph
6477 about use of --with-gnu-ld with --with-gnu-as.
6479 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6481 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6482 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6483 Follow spelling conventions.
6485 2009-01-18 Ben Elliston <bje@au.ibm.com>
6487 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6488 C++ warning about implicit conversion from void * to struct
6490 (bitmap_obstack_free): Likewise for bitmap_element *.
6491 * Makefile.in (bitmap.o-warn): Remove.
6493 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6495 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6497 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6498 Tobias Grosser <tobi.grosser@amd.com>
6500 * graphite.c (graphite_trans_scop_block): Do not block single
6503 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6505 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6506 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6507 test with assertion.
6509 2009-01-16 Richard Guenther <rguenther@suse.de>
6511 PR tree-optimization/38835
6513 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6514 and INT + PTR -> (INT)(PTR p+ INT) folding.
6515 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6517 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6520 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6521 the subreg from a lowpart subreg if it is also casting the value.
6523 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6524 Tobias Grosser <tobi.grosser@amd.com>
6526 * graphite.c (compare_prefix_loops): New.
6527 (build_scop_canonical_schedules): Rewritten.
6528 (graphite_transform_loops): Move build_scop_canonical_schedules
6529 after build_scop_iteration_domain.
6531 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6532 Tobias Grosser <tobi.grosser@amd.com>
6534 * graphite.c (add_conditions_to_domain): Add the loops to
6535 the dimension of the iteration domain. Do copy the domain
6536 only when it exists.
6537 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6538 (add_conditions_to_constraints): New.
6539 (can_generate_code_stmt, can_generate_code): Removed.
6540 (gloog): Do not call can_generate_code.
6541 (graphite_transform_loops): Call add_conditions_to_constraints
6542 after building the iteration domain.
6544 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6546 PR tree-optimization/38789
6547 * tree-ssa-threadedge.c
6548 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6549 __builtin_constant_p.
6551 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6553 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6554 examined before deleting them.
6556 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6558 * function.c (aggregate_value_p): Correctly extract the function
6559 type from CALL_EXPR_FN lookup.
6561 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6563 * config/picochip/picochip.c (picochip_override_options): Revert
6564 CFI asm flag disable commited previously.
6566 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6567 Tobias Grosser <tobi.grosser@amd.com>
6568 Jan Sjodin <jan.sjodin@amd.com>
6570 * graphite.c (scan_tree_for_params): On substractions negate
6571 all the coefficients of the term.
6572 (clast_to_gcc_expression_red): New. Handle reduction expressions
6573 of more than two operands.
6574 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6575 (get_vdef_before_scop): Handle also the case of default definitions.
6577 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6579 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6580 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6581 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6583 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6584 Joey Ye <joey.ye@intel.com>
6587 * cfgexpand.c (expand_stack_alignment): Don't update stack
6588 boundary nor check incoming stack boundary here.
6589 (gimple_expand_cfg): Update stack boundary and check incoming
6590 stack boundary here.
6592 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6594 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6596 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6598 PR rtl-optimization/38245
6599 * calls.c (expand_call): Add stack arguments to
6600 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6601 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6602 in regs and partially in memory or BLKmode arguments.
6603 (emit_library_call_value_1): Add stack arguments to
6604 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6605 ACCUMULATE_OUTGOING_ARGS).
6606 * dce.c: Include tm_p.h.
6607 (find_call_stack_args): New function.
6608 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6610 (mark_insn): Call find_call_stack_args for CALL_Ps.
6611 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6612 forwards. Allocate and free arg_stores bitmap if needed, pass it
6613 down to deletable_insn_p, don't mark stores set in arg_stores
6614 bitmap, clear the bitmap at the beginning of each bb.
6615 * Makefile.in (dce.o): Depend on $(TM_P_H).
6617 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6620 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6621 to make sure the insn is a conditional test (bug 22599). Reformat a
6624 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6627 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6628 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6629 (gloog): Do not call cleanup_tree_cfg.
6630 (graphite_transform_loops): Call cleanup_tree_cfg after all
6631 scops have been code generated.
6633 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6634 * doc/gty.texi (Invoking the garbage collector): Added new node
6635 and section documenting ggc_collect.
6637 2009-01-14 Richard Guenther <rguenther@suse.de>
6639 PR tree-optimization/38826
6641 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6642 initialization notes only if we actually emitted a warning.
6643 (intra_create_variable_infos): Add constraints for a result decl
6644 that is passed by hidden reference.
6645 (build_pred_graph): Mark all related variables non-direct on
6648 2009-01-14 Nick Clifton <nickc@redhat.com>
6650 * ira-conflicts.c: Include addresses.h for the definition of
6652 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6653 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6655 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6658 * Makefile.in (ira-lives.o): Add except.h.
6660 * ira-lives.c: Include except.h.
6661 (process_bb_node_lives): Process can_throw_internal.
6663 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6665 PR rtl-optimization/38774
6666 * combine.c (simplify_set): When undoing cc_use change, don't do
6667 PUT_CODE on the newly created comparison, but instead put back the
6670 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6672 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6673 values. Remove duplicate arm8 entry.
6675 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6677 PR tree-optimization/38786
6678 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6679 the SSA_NAME case of expand_scalar_variables_expr.
6680 Set the type of an expression to the type of its assign statement.
6681 (expand_scalar_variables_expr): Also gather the scalar computation
6682 used to index the memory access. Do not pass loop_p.
6683 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6684 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6685 the gimple_stmt_iterator where it inserts new code.
6687 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6688 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6690 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6692 * graphite.h (debug_value): Removed.
6693 * graphite.c (debug_value): Removed.
6695 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6697 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6698 ldrd/strd with two 32-bit instructions.
6700 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6702 * config/arm/arm.c (struct processors): Pass for speed down into
6703 cost helper functions.
6704 (const_ok_for_op): Handle COMPARE and inequality nodes.
6705 (arm_rtx_costs_1): Rewrite.
6706 (arm_size_rtx_costs): Update prototype.
6707 (arm_rtx_costs): Pass speed down to helper functions.
6708 (arm_slowmul_rtx_costs): Rework cost calculations.
6709 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6710 (arm_9e_rtx_costs): Likewise.
6712 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6714 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6715 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6716 (alpha_legitimize_address): Do not split local symbols wider than
6717 UNITS_PER_WORD into HIGH/LO_SUM parts.
6719 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6722 * gcc.c (process_command): Replace call to execvp with calls
6723 to pex_one and exit.
6725 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6728 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6729 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6730 variant for devices with 3-byte PC.
6731 (__tablejump_elpm__): New.
6733 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6736 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6737 offsetof member-designator, handle it as `[0].'.
6739 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6741 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6742 function when not using named sections on targets with named sections
6743 if branch distance is less than 262132.
6745 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6747 * combine.c (combine_instructions): Recompute
6748 optimize_this_for_speed_p for each BB in the main combine loop.
6750 2009-01-12 Tomas Bily <tbily@suse.cz>
6753 * tree-loop-distribution.c (prop_phis): New function.
6754 (generate_builtin): Call prop_phis.
6755 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6757 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6759 PR tree-optimization/38807
6760 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6761 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6763 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6765 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6766 subreg of op0 to the original op0.
6768 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6770 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6772 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6775 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6776 starting with digits.
6778 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6781 * config/arm/arm.c (arm_is_long_call_p): Don't call
6782 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6784 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6786 * regrename.c (regrename_optimize): Fix dumping.
6787 (find_oldest_value_reg): Preserve REG_POINTER.
6788 (copy_hardreg_forward_1): Likewise.
6790 2009-01-09 Diego Novillo <dnovillo@google.com>
6792 * gimple.h (struct gimple_statement_base) <uid>: Document
6793 the restrictions on its use.
6795 (gimple_set_uid): Tidy.
6797 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6799 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6800 zero guard even if align_bytes != 0 and count is smaller than
6803 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6805 PR rtl-optimization/38495
6806 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6807 (add_range_and_copies_from_move_list): Print all added ranges.
6808 Add ranges to memory optimized destination.
6810 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6814 * config/i386/i386.c (override_options): Reject
6815 -mstringop-strategy=rep_8byte with -m32.
6816 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6817 to 1. Do count comparison against epilogue_size_needed at compile
6818 time even when count_exp was constant forced into register. For
6819 size_needed don't jump to epilogue, instead just avoid aligning
6820 and invoke the body algorithm. If need_zero_guard, add zero guard
6821 even if count is non-zero, but smaller than size_needed + number of
6822 bytes that could be stored for alignment.
6823 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6824 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6825 but smaller than size_needed + number of bytes that could be stored
6826 for alignment. Compare size_needed with epilogue_size_needed instead
6827 of desired_align - align, don't adjust size_needed, pass
6828 epilogue_size_needed to the epilogue expanders.
6831 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6833 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6835 * pa.c (last_address): Change to unsigned.
6836 (update_total_code_bytes): Change argument to unsigned. Don't
6837 check if insn addresses are set.
6838 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6839 addresses are not set.
6840 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6842 2009-01-09 Nick Clifton <nickc@redhat.com>
6844 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6845 DECL_DECLARED_INLINE_P.
6847 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6850 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6851 GET_MODE (op0) in operand_subword_force calls.
6854 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6855 fold_convert arg0 operands to TREE_TYPE (op0) first.
6857 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6859 * params.def (ira-max-conflict-table-size): Decrease default value
6862 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6864 PR tree-optimization/37031
6865 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6867 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6868 allocate it using gc instead of heap, use VEC_quick_push instead of
6870 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6871 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6872 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6873 allocated vector from heap allocated.
6874 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6875 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6876 vector only after perfect_loop_nest_depth call.
6878 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6879 Jan Sjodin <jan.sjodin@amd.com>
6881 PR tree-optimization/38559
6882 * graphite.c (debug_value, copy_constraint,
6883 swap_constraint_variables, scale_constraint_variable, ): New.
6884 (get_lower_bound, get_upper_bound): Removed.
6885 (graphite_trans_bb_strip_mine): Clean up this code that works
6886 only for constant number of iterations. Fully copy upper and
6887 lower bound constraints, not only the constant part of them.
6888 * graphite.h (debug_value): Declared.
6890 2009-01-08 Ira Rosen <irar@il.ibm.com>
6892 PR tree-optimization/37194
6893 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6894 Don't add the cost of cost model guard in prologue to scalar
6895 outside cost in case of known number of iterations.
6897 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6898 Alan Modra <amodra@bigpond.net.au>
6900 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6901 non-word-aligned REG+CONST addressing.
6903 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6906 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6907 free_after_compilation when outputting a thunk.
6908 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6909 Do not call free_after_compilation here.
6911 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6913 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6914 (ix86_valid_target_attribute_inner_p): Ditto.
6916 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6918 PR tree-optimization/38492
6919 PR tree-optimization/38498
6920 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6921 * tree-chrec.h (scev_is_linear_expression): Declared.
6922 * graphite.c (graphite_cannot_represent_loop_niter): New.
6923 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6924 (graphite_loop_normal_form): Use gcc_assert.
6925 (scan_tree_for_params): Use CASE_CONVERT.
6926 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6927 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6928 Use gcc_assert. Discard scops that contain unhandled cases.
6929 (build_scop_conditions): Return a boolean status for unhandled cases.
6930 (strip_mine_profitable_p): Print the loop number, not its depth.
6931 (is_interchange_valid): Pass the depth of the loop nest, don't
6932 recompute it wrongly.
6933 (graphite_trans_bb_block): Same.
6934 (graphite_trans_bb_block): Print tentative of loop blocking.
6935 (graphite_trans_scop_block): Do not print that the loop has been
6937 (graphite_transform_loops): Do not handle scops that contain condition
6940 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6942 AVX Programming Reference (December, 2008)
6943 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6944 (_mm256_stream_pd): Likewise.
6945 (_mm256_stream_ps): Likewise.
6947 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6948 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6949 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6950 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6951 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6952 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6953 (ix86_expand_special_args_builtin): Likewise.
6955 * config/i386/sse.md (AVXMODEDI): New.
6956 (avx_movnt<mode>): Likewise.
6957 (avx_movnt<mode>): Likewise.
6958 (<sse>_movnt<mode>): Remove AVX support.
6959 (sse2_movntv2di): Likewise.
6961 2009-01-07 Richard Guenther <rguenther@suse.de>
6964 * fold-const.c (extract_muldiv): Remove obsolete comment.
6965 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6966 to PLUS_EXPR canonicalization for the canonicalization.
6968 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6970 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6971 hosted cross-compilers generating less efficient code.
6973 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6975 * function.h (rtl_data): Add a dbr_scheduled_p field.
6976 * reorg.c (dbr_schedule): Set it.
6977 (gate_handle_delay_slots): Check it.
6978 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6979 (mips_reorg): Check flag_delayed_branch instead of
6980 mips_base_delayed_branch.
6981 (mips_override_options): Don't set mips_base_delayed_branch
6982 or flag_delayed_branch.
6984 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6986 PR rtl-optimization/38426.
6987 * ira.c (ira): Set current_function_is_leaf earlier.
6989 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6991 PR rtl-optimization/38722
6992 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6993 too early, only set a flag and modify after last possible
6996 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6999 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7000 * real.c (decimal_single_format): Correct values of emin and emax.
7001 (decimal_double_format): Ditto.
7002 (decimal_quad_format): Ditto.
7003 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7004 computation of DECnn_MIN and DECnn_MAX for corrected values of
7005 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
7006 __DECnn_MIN__, and adjust its computation for the corrected value
7009 2009-01-06 Jan Hubicka <jh@suse.cz>
7012 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7014 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
7016 * doc/contrib.texi (Contributors): Slightly adjust the end note.
7017 Add Robert Clark to the list of testers.
7019 2009-01-06 Jan Hubicka <jh@suse.cz>
7020 Kai Tietz <kai.tietz@onevision.com>
7022 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7023 * config/i386/i386.c (ix86_expand_call): Add clobbers.
7025 2009-01-06 Jan Hubicka <jh@suse.cz>
7026 Kai Tietz <kai.tietz@onevision.com>
7028 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7030 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7031 (ix86_nsaved_regs): Count only general purpose regs.
7032 (ix86_nsaved_sseregs): New.
7033 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7034 to 16 for w64; compute padding and size of sse reg save area.
7035 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7036 general purpose regs.
7037 (ix86_emit_save_sse_regs_using_mov): New.
7038 (ix86_expand_prologue): Save SSE regs if needed.
7039 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7040 (ix86_emit_restore_sse_regs_using_mov): New.
7041 (ix86_expand_epilogue): Save SSE regs if needed.
7043 2009-01-06 Jan Hubicka <jh@suse.cz>
7044 Kai Tietz <kai.tietz@onevision.com>
7046 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7047 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7048 functions when accumulate outgoing args is off.
7050 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
7053 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7054 before using pseudos_have_intersected_live_ranges_p.
7056 * ira-int.h (ira_assert): Always define.
7058 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
7060 AVX Programming Reference (December, 2008)
7061 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7062 (_mm256_permute2_pd): Likewise.
7063 (_mm_permute2_ps): Likewise.
7064 (_mm256_permute2_ps): Likewise.
7065 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7066 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7068 * config/i386/i386.c (ix86_builtins): Remove
7069 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7070 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7071 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7072 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7073 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7074 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7075 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7076 __builtin_ia32_vpermil2ps256.
7077 (ix86_init_mmx_sse_builtins): Updated.
7078 (ix86_expand_args_builtin): Likewise.
7080 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7082 * pa.c (output_call): Relocate non-jump insns in the delay slot of
7083 long absolute calls when generating PA 2.0 code.
7085 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
7087 PR rtl-optimization/38583
7088 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7090 * params.def (ira-max-conflict-table-size): New.
7092 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7094 * ira.h (ira_conflicts_p): New external definition.
7096 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7097 table. Report this. Return result of building.
7098 (ira_build_conflicts): Use ira_conflicts_p. Check result of
7099 building conflict table.
7101 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7102 (ira_color): Use ira_conflicts_p.
7104 * global.c: Include ira.h.
7105 (pseudo_for_reload_consideration_p, build_insn_chain): Use
7108 * Makefile.in (global.o): Add ira.h.
7110 * ira-build.c (mark_all_loops_for_removal,
7111 propagate_some_info_from_allocno): New.
7112 (remove_unnecessary_allocnos): Call
7113 propagate_some_info_from_allocno.
7114 (remove_low_level_allocnos): New.
7115 (remove_unnecessary_regions): Add parameter. Call
7116 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
7117 parameter to remove_unnecessary_regions.
7118 (ira_build): Remove all regions but root if the conflict table was
7119 not built. Update conflict hard regs for allocnos crossing calls.
7121 * ira.c (ira_conflicts_p): New global.
7122 (ira): Define and use ira_conflicts_p.
7124 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7125 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7126 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7128 2009-01-06 Ben Elliston <bje@au.ibm.com>
7130 * gengtype-lex.l (YY_NO_INPUT): Define.
7132 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
7135 * c-common.c (handle_vector_size_attribute): Also reject
7138 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
7140 PR tree-optimization/38492
7141 * graphite.c (rename_map_elt, debug_rename_elt,
7142 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7143 rename_map_elt_info, eq_rename_map_elts,
7144 get_new_name_from_old_name, bb_in_sese_p): Moved around.
7145 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7146 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7147 (sese_build_livein_liveouts): New.
7148 (new_sese, free_sese): New.
7149 (new_scop): Call new_sese.
7150 (free_scop): Call free_sese.
7151 (rename_variables_from_edge, rename_phis_end_scop): Removed.
7152 (register_old_new_names): Renamed register_old_and_new_names.
7153 (register_scop_liveout_renames, add_loop_exit_phis,
7154 insert_loop_close_phis, struct igp,
7155 default_liveout_before_guard, add_guard_exit_phis,
7156 insert_guard_phis, copy_renames): New.
7157 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7158 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7159 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7160 (scop_adjust_phis_for_liveouts): New.
7161 (gloog): Call scop_adjust_phis_for_liveouts.
7163 * graphite.h (struct sese): Documented. Added fields liveout,
7165 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7166 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7167 (struct scop): Added field liveout_renames.
7168 (SCOP_LIVEOUT_RENAMES): New.
7170 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7172 PR tree-optimization/38510
7173 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7174 (translate_clast): Call recompute_all_dominators before
7176 (gloog): Call recompute_all_dominators before graphite_verify.
7178 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7179 Jan Sjodin <jan.sjodin@amd.com>
7181 PR tree-optimization/38500
7182 * graphite.c (create_sese_edges): Call fix_loop_structure after
7185 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
7187 * config.gcc: Add m32r*-*-rtems*.
7188 * config/m32r/rtems.h: New file.
7190 2009-01-05 Ben Elliston <bje@au.ibm.com>
7192 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7193 (.po.pox): Likewise.
7194 (po/gcc.pot): Likewise.
7196 2009-01-04 David S. Miller <davem@davemloft.net>
7198 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7199 (STARTING_FRAME_OFFSET): Always set to zero.
7201 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7203 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7204 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7205 fixed-point types, and vectors of the same.
7207 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7209 * config/mips/sync.md (*mb_barrier): Rename to...
7210 (*memory_barrier): ...this.
7212 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
7214 * doc/extend.texi (Function Attributes): Move @cindex after @item
7215 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7216 and put in alphabetical order. Fix 'target' name and put in order.
7217 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7220 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
7222 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7223 (memory_barrier): Expand as unspec instead of unspec_volatile.
7224 Remove mem:BLK from insn operands. Use Pmode scratch register.
7225 (*memory_barrier): Define as unspec instead of unspec_volatile.
7226 Use (match_dup 0) as input operand.
7228 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7229 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7230 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
7231 scratch register. Remove operand 1.
7232 (*stbar): Define as unspec instead of unspec_volatile.
7233 Use (match_dup 0) as input operand, remove (const_int 8).
7234 (*membar): Define as unspec instead of unspec_volatile.
7235 Use (match_dup 0) as input operand, remove input operand 2.
7237 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7238 (memory_barrier): Expand as unspec instead of unspec_volatile.
7239 Remove mem:BLK from insn operands. Use Pmode scratch register.
7240 (*memory_barrier): Define as unspec instead of unspec_volatile.
7241 Use (match_dup 0) as input operand.
7243 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7244 Remove mem:BLK from insn operands. Use Pmode scratch register.
7245 Set volatile flag on operand 0.
7246 (*memory_barrier): New insn pattern.
7248 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7250 (*memory_barrier): Use (match_dup 0) as input operand.
7252 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7253 Remove mem:BLK from insn operands. Use Pmode scratch register.
7254 Set volatile flag on operand 0.
7255 (*mb_internal): New insn pattern.
7257 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7259 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7262 * function.c (struct temp_slot): Move to the section of the file
7263 that deals with temp slots. Remove field 'address'.
7264 (temp_slot_address_table): New hash table of address -> temp slot.
7265 (struct temp_slot_address_entry): New struct, items for the table.
7266 (temp_slot_address_compute_hash, temp_slot_address_hash,
7267 temp_slot_address_eq, insert_temp_slot_address): Support functions
7269 (find_temp_slot_from_address): Rewrite to use the new hash table.
7270 (remove_unused_temp_slot_addresses): Remove addresses of temp
7271 slots that have been made available.
7272 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7273 worker function for remove_unused_temp_slot_addresses.
7274 (assign_stack_temp_for_type): Don't clear the temp slot address list.
7275 Add the temp slot address to the address -> temp slot map.
7276 (update_temp_slot_address): Update via insert_temp_slot_address.
7277 (free_temp_slots): Call remove_unused_temp_slot_addresses.
7278 (pop_temp_slots): Likewise.
7279 (init_temp_slots): Allocate the address -> temp slot map, or empty
7280 the map if it is already allocated.
7281 (prepare_function_start): Initialize temp slot processing.
7283 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7286 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7287 Calculate the size of all stack vars assuming no packing of stack
7288 vars will happen, replacing a quadratic algorithm with a linear one.
7290 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7293 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7296 2009-01-03 Diego Novillo <dnovillo@google.com>
7298 * doc/contrib.texi: Update contributions.
7300 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7303 * builtins.c (fold_builtin_memory_op): Give up if either operand
7304 is volatile. Set srctype or desttype to non-qualified version
7308 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7311 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
7313 PR rtl-optimization/35805
7314 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7315 problem if fast dce is able to remove any instructions.
7316 * dce.c (dce_process_block): Fix dump message.
7318 2009-01-02 Mark Mitchell <mark@codesourcery.com>
7321 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7323 2009-01-02 Jakub Jelinek <jakub@redhat.com>
7326 * tree-flow.h (op_code_prio, op_prio): New prototypes.
7327 * tree-pretty-print.c (op_code_prio): New function.
7328 (op_prio): No longer static. Use op_code_prio.
7329 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7330 Use op_prio and op_code_prio to determine if () should be
7331 printed around operand(s) or not.
7333 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7334 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7335 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7336 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7337 pp_character instead of pp_string for single letter printing.
7339 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7341 * doc/extend.texi: Fix '#pragma GCC option' typo.
7343 2009-01-02 Richard Guenther <rguenther@suse.de>
7345 * doc/install.texi (--enable-checking): Mention different
7347 (--enable-stage1-checking): Document.
7349 2009-01-01 Andrew Pinski <pinskia@gmail.com>
7352 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
7353 case to be an error.
7355 2009-01-02 Ben Elliston <bje@au.ibm.com>
7357 * config/fp-bit.h (pack_d): Constify argument.
7358 * config/fp-bit.c (makenan): Constify return type. Remove casts.
7359 (isnan): Constify argument.
7363 (_fpadd_parts): Constify return type.
7364 (_fpmul_parts): Likewise.
7365 (_fpdiv_parts): Likewise.
7367 2009-01-01 Jakub Jelinek <jakub@redhat.com>
7370 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
7371 warn about overwriting initializer with side-effects or
7372 -Woverride-init if !IMPLICIT.
7373 (output_init_element): Likewise. Pass IMPLICIT down to
7375 (process_init_element): Add IMPLICIT argument. Pass it down
7376 to output_init_element.
7377 (push_init_element, pop_init_level, set_designator): Adjust
7378 process_init_element callers.
7379 (set_nonincremental_init, set_nonincremental_init_from_string):
7380 Adjust add_pending_init callers.
7381 (output_pending_init_elements): Adjust output_init_element callers.
7382 * c-tree.h (process_init_element): Adjust prototype.
7383 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7384 process_init_element callers.