1 2009-04-17 Paolo Bonzini <bonzini@gnu.org>
3 * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
5 2009-04-17 Uros Bizjak <ubizjak@gmail.com>
7 * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
8 (CMPtype): Define as __gcc_CMPtype.
10 2009-04-17 Aurelien Jarno <aurelien@aurel32.net>
12 * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
13 for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
15 2009-04-17 Richard Guenther <rguenther@suse.de>
17 PR tree-optimization/39746
18 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
19 special-casing for builtins and static variable use/def.
20 (call_may_clobber_ref_p_1): Likewise.
22 2009-04-16 Ian Lance Taylor <iant@google.com>
24 * df.h: Include "timevar.h".
25 (struct df_problem): Change tv_id field to timevar_id_t.
26 * tree-pass.h: Include "timevar.h".
27 (struct opt_pass): Change tv_id field to timevar_id_t.
28 * timevar.h (timevar_id_t): Define TV_NONE.
29 * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
30 TV_NONE rather than tv_id != 0.
31 (execute_one_pass): Likewise.
32 * Makefile.in (DF_H): Add $(TIMEVAR_H).
33 (TREE_PASS_H): Define. Change all instances of tree-pass.h in
34 dependencies to $(TREE_PASS_H).
35 * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
37 (pass_branch_target_load_optimize2): Likewise.
38 * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
39 (pass_outof_cfg_layout_mode): Likewise.
40 * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
41 (pass_rebuild_cgraph_edges): Likewise.
42 (pass_remove_cgraph_callee_edges): Likewise.
43 * df-core.c (pass_df_initialize_opt): Likewise.
44 (pass_df_initialize_no_opt): Likewise.
45 (pass_df_finish): Likewise.
46 * emit-rtl.c (pass_unshare_all_rtl): Likewise.
47 * except.c (pass_set_nothrow_function_flags): Likewise.
48 (pass_convert_to_eh_region_ranges): Likewise.
49 * final.c (pass_compute_alignments): Likewise.
50 * function.c (pass_instantiate_virtual_regs): Likewise.
51 (pass_init_function): Likewise.
52 (pass_leaf_regs): Likewise.
53 (pass_match_asm_constraints): Likewise.
54 * gimple-low.c (pass_lower_cf): Likewise.
55 (pass_mark_used_blocks): Likewise.
56 * init-regs.c (pass_initialize_regs): Likewise.
57 * integrate.c (pass_initial_value_sets): Likewise.
58 * ira.c (pass_ira): Likewise.
59 * jump.c (pass_cleanup_barriers): Likewise.
60 * omp-low.c (pass_expand_omp): Likewise.
61 (pass_lower_omp): Likewise.
62 * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
63 * recog.c (pass_split_all_insns): Likewise.
64 (pass_split_after_reload): Likewise.
65 (pass_split_before_regstack): Likewise.
66 (pass_split_before_sched2): Likewise.
67 (pass_split_for_shorten_branches): Likewise.
68 * reginfo.c (pass_reginfo_init): Likewise.
69 (pass_subregs_of_mode_init): Likewise.
70 (pass_subregs_of_mode_finish): Likewise.
71 * passes.c (pass_postreload): Likewise.
72 * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
73 * tree-cfg.c (pass_remove_useless_stmts): Likewise.
74 (pass_warn_function_return): Likewise.
75 (pass_warn_function_noreturn): Likewise.
76 * tree-complex.c (pass_lower_complex): Likewise.
77 (pass_lower_complex_O0): Likewise.
78 * tree-if-conv.c (pass_if_conversion): Likewise.
79 * tree-into-ssa.c (pass_build_ssa): Likewise.
80 * tree-mudflap.c (pass_mudflap_1): Likewise.
81 (pass_mudflap_2): Likewise.
82 * tree-nomudflap.c (pass_mudflap_1): Likewise.
83 (pass_mudflap_2): Likewise.
84 * tree-nrv.c (pass_return_slot): Likewise.
85 * tree-object-size.c (pass_object_sizes): Likewise.
86 * tree-optimize.c (pass_all_optimizations): Likewise.
87 (pass_early_local_passes): Likewise.
88 (pass_all_early_optimizations): Likewise.
89 (pass_cleanup_cfg): Likewise.
90 (pass_cleanup_cfg_post_optimizing): Likewise.
91 (pass_free_datastructures): Likewise.
92 (pass_free_cfg_annotations): Likewise.
93 (pass_fixup_cfg): Likewise.
94 (pass_init_datastructures): Likewise.
95 * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
96 (pass_late_warn_uninitialized): Likewise.
97 (pass_update_address_taken): Likewise.
98 * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
99 * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
100 (pass_cse_sincos): Likewise.
101 (pass_convert_to_rsqrt): Likewise.
102 * tree-ssa-structalias.c (pass_build_alias): Likewise.
103 * tree-stdarg.c (pass_stdarg): Likewise.
104 * tree-tailcall.c (pass_tail_recursion): Likewise.
105 (pass_tail_calls): Likewise.
106 * tree-vect-generic.c (pass_lower_vector): Likewise.
107 (pass_lower_vector_ssa): Likewise.
108 * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
110 2009-04-16 Joseph Myers <joseph@codesourcery.com>
112 * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
114 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
116 * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
119 2009-04-16 Kaz Kojima <kkojima@gcc.gnu.org>
122 * config/sh/predicates.md (arith_operand): Check if the operand
123 of TRUNCATE is a REG.
125 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
127 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
128 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
130 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
132 * tree-iterator.c (tsi_split_statement_list_after,
133 tsi_split_statement_list_before): Remove.
134 * tree-iterator.h: Remove the prototypes for
135 tsi_split_statement_list_after and tsi_split_statement_list_before.
137 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
139 * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
140 * tree-ssa-propagate.h: Remove the prototype for
141 stmt_makes_single_load.
143 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
145 * emit-rtl.c (set_mem_attrs_from_reg): Remove.
146 * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
148 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
150 * tree-iterator.c (EXPR_LAST_BODY): Remove.
152 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
154 * except.c (eh_region_outer_p): Remove.
155 * except.h: Remove the prototype for eh_region_outer_p.
157 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
159 * function.c (current_function_assembler_name): Remove.
160 * function.h: Remove the prototype for
161 current_function_assembler_name.
163 2009-04-16 Ian Lance Taylor <iant@google.com>
165 * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
166 (add_reg_note): Call alloc_reg_note.
167 * rtl.h (alloc_reg_note): Declare.
168 * combine.c (try_combine): Use alloc_reg_note.
169 (recog_for_combine, move_deaths): Likewise.
170 (distribute_notes): Use alloc_reg_note and add_reg_note.
171 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
172 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
173 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
175 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
177 PR rtl-optimization/39762
178 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
179 ira_may_move_out_cost): Add comments about way of their usage.
180 (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
182 * ira-conflicts.c (process_regs_for_copy): Use function
183 ira_get_register_move_cost instead of global
184 ira_register_move_cost.
186 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
187 color_pass, move_spill_restore, update_curr_costs): Ditto.
189 * ira-lives.c (process_single_reg_class_operands): Ditto.
191 * ira-emit.c (emit_move_list): Ditto.
193 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
194 (record_reg_classes): Ditto. Use functions
195 ira_get_register_move_cost and ira_get_may_move_cost instead of
196 global vars ira_register_move_cost, ira_may_move_out_cost and
197 ira_may_move_in_cost.
198 (record_address_regs): Don't call ira_init_register_move_cost.
199 Use function ira_get_may_move_cost instead of global
200 ira_may_move_in_cost.
201 (process_bb_node_for_hard_reg_moves): Use function
202 ira_get_register_move_cost instead of global ira_register_move_cost.
203 (ira_costs): Don't call ira_init_register_move_cost.
205 2009-04-16 Richard Guenther <rguenther@suse.de>
207 * tree-cfg.c (verify_gimple_assign_binary):
208 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
209 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
210 (create_general_new_stmt): Note that this function is broken.
212 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
214 * common.opt (fhelp): Add Var(help_flag).
215 * gcc-plugin.h (plugin_info): Add help.
216 * plugin.c (plugin_name_args): Add help.
217 (register_plugin_info): Set plugin->help.
218 (print_help_one_plugin): New.
219 (print_plugins_help): New.
220 * plugin.h (print_plugins_help): New.
221 * toplev.c (toplev_main): Call print_plugins_help if needed.
223 2009-04-16 Richard Guenther <rguenther@suse.de>
225 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
226 (gimple_ior_addresses_taken_1): New function.
227 (gimple_ior_addresses_taken): Likewise.
228 * gimple.h (struct gimple_statement_with_ops_base): Remove
229 addresses_taken member.
230 (gimple_ior_addresses_taken): Declare.
231 (gimple_addresses_taken, gimple_addresses_taken_ptr,
232 gimple_set_addresses_taken): Remove.
233 * ipa-reference.c (mark_address): New function.
234 (scan_stmt_for_static_refs): Use it for marking addresses taken.
235 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
236 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
237 (gimple_add_to_addresses_taken): Remove.
238 (get_tmr_operands): Call mark_address_taken.
239 (get_asm_expr_operands): Likewise.
240 (get_expr_operands): Likewise.
241 (build_ssa_operands): Do not clear the addresses_taken bitmap.
242 (free_stmt_operands): Do not free it.
243 * tree-ssa.c (delete_tree_ssa): Likewise.
244 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
246 2009-04-16 Richard Guenther <rguenther@suse.de>
248 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
249 (walk_stmt_load_store_ops): Likewise.
250 * gimple.c (get_base_loadstore): New function.
251 (walk_stmt_load_store_addr_ops): Likewise.
252 (walk_stmt_load_store_ops): Likewise.
253 * ipa-pure-const.c (check_op): Simplify.
254 (check_load, check_store): New functions.
255 (check_stmt): Use walk_stmt_load_store_ops.
256 * ipa-reference.c (mark_load): Adjust signature.
257 (mark_store): Likewise.
258 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
260 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
262 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
264 * opts.c (common_handle_option): Don't call print_version.
265 * plugin.c (plugin_name_args): Add version.
266 (register_plugin_info): New.
267 (register_callback): Handle PLUGIN_INFO.
268 (try_init_one_plugin): New.
269 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
271 (finalize_one_plugin): New.
272 (finalize_plugins): New.
273 (print_one_plugin): New.
274 (print_plugins_versions): New.
275 * plugin.h (print_plugins_versions): New.
276 (finalize_plugins): New.
277 * toplev.c (compile_file): Don't call initialize_plugins.
278 (print_version): Call print_plugins_versions.
279 (toplev_main): Call initialize_plugins. Print version if needed.
280 Call finalize_plugins.
282 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
284 * common.opt (fversion): New.
285 * gcc.c (print_version): New.
286 (process_command): Don't print the version. Just set print_version.
287 (main): Print version. Call subprocesses if print_version and
288 verbose_flag are set.
289 * opts.c (common_handle_option): Handle OPT_fversion.
291 2009-04-16 Richard Guenther <rguenther@suse.de>
292 Ira Rosen <irar@il.ibm.com>
294 PR tree-optimization/39698
295 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
296 type of the reduction variable. Only generate the def if
299 * omp-low.c (expand_omp_for_generic): When converting to a pointer
300 make sure to first convert to an integer of the same precision.
301 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
302 the type of the evolution correctly in computing the new
303 induction variable base.
305 2009-04-16 Richard Guenther <rguenther@suse.de>
308 * tree-cfg.c (make_blocks): Split statements with to-be
309 abnormal SSA names on the lhs.
311 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
313 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
314 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
315 * c-typeck.c (really_start_incremental_init): Likewise.
316 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
317 (TARGET_INITIALIZER): Remove it.
318 * target.h (struct target): Remove vector_opaque_p.
319 * tree.c (build_opaque_vector_type): New.
320 * tree.h (TYPE_VECTOR_OPAQUE): New.
321 (build_opaque_vector_type): Declare.
322 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
323 * config/rs6000/rs6000.c (build_opaque_vector_type,
324 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
325 (rs6000_init_builtins): Use build_opaque_vector_type for
326 opaque_V4SI_type_node.
328 2009-04-15 Catherine Moore <clm@codesourcery.com>
330 * debug.h (set_name): Declare.
331 * dwarf2out.c (dwarf2out_set_name): Declare.
332 (dwarf2_debug_hooks): Add set_name.
333 (find_AT_string): New.
334 (add_AT_string): Call find_AT_string.
335 (dwarf2out_set_name): New.
336 * cp/decl.c (grokdeclarator): Call set_name.
337 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
338 * debug.c (do_nothing_debug_hooks): Likewise.
339 * dbxout.c (dbx_debug_hooks): Likewise.
340 * sdbout.c (sdb_debug_hooks): Likewise.
342 2009-04-15 Michael Eager <eager@eagercon.com>
344 * config/rs6000/rs6000.c (rs6000_function_value): Set function return
345 reg for single-precision FPU.
346 * config/rs6000/rs6000.md (movsi_internal1): Only for
348 (movsi_internal1_single): New. Add pattern to move SI values to/from
349 single-precision FP regs.
351 2009-04-15 Richard Guenther <rguenther@suse.de>
353 * omp-low.c (lower_rec_input_clauses): Build correct address
355 (expand_omp_for_generic): Fix multiplication type.
356 * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
357 (generate_memset_zero): Fix types.
358 * tree-profile.c (prepare_instrumented_value): Correctly
361 2009-04-15 Ian Lance Taylor <iant@google.com>
363 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
364 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
365 for -Wall and for -Wc++-compat.
366 (c_common_post_options): For C++, set warn_enum_compare if not
368 * c-tree.h (struct c_expr): Add field original_type.
369 (build_external_ref): Update declaration.
370 * c-parser.c (c_parser_braced_init): Set original_type.
371 (c_parser_initelt): Likewise.
372 (c_parser_expr_no_commas): Likewise.
373 (c_parser_conditional_expression): Likewise.
374 (c_parser_cast_expression): Likewise.
375 (c_parser_unary_expression): Likewise. Pull setting of
376 original_code to top of function.
377 (c_parser_sizeof_expression): Set original_type.
378 (c_parser_alignof_expression): Likewise.
379 (c_parser_postfix_expression): Likewise. Pull setting of
380 original_code to top of function.
381 (c_parser_postfix_expression_after_paren_type): Set original_type.
382 (c_parser_postfix_expression_after_primary): Likewise.
383 (c_parser_expression): Likewise.
384 * c-typeck.c (build_external_ref): Add type parameter. Change all
386 (c_expr_sizeof_expr): Set original_type field.
387 (parser_build_unary_op): Likewise.
388 (parser_build_binary_op): Likewise. Optionally warn about
389 comparisons of enums of different types.
390 (digest_init): Set original_type field.
391 (really_start_incremental_init): Likewise.
392 (push_init_level, pop_init_level): Likewise.
393 * doc/invoke.texi (Warning Options): -Wenum-compare now
396 2009-04-15 Richard Guenther <rguenther@suse.de>
398 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
399 out a necessary conversion.
400 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
401 names we didn't value number.
402 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
404 2009-04-15 Richard Guenther <rguenther@suse.de>
406 PR tree-optimization/39764
407 * tree-ssa-ccp.c (get_value): Canonicalize value with
408 canonicalize_float_value.
410 2009-04-15 Jan Hubicka <jh@suse.cz>
412 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
413 Wrong version of patch.
415 2009-04-15 Jan Hubicka <jh@suse.cz>
417 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
419 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
421 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
422 our distinct integral and vector types.
424 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
426 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
427 * init.c (build_vtbl_address): Remove call to assemble_external.
429 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
431 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
432 output for other floating point modes.
434 2009-04-14 Diego Novillo <dnovillo@google.com>
436 * diagnostic.c (diagnostic_report_diagnostic): Do not
437 warn about loaded plugins for DK_ERROR and DK_WARNING.
438 * c-decl.c (declspecs_add_type): Move call to
439 invoke_plugin_callbacks ...
440 * c-parser.c (c_parser_declspecs): ... here.
441 * plugin.c (dump_active_plugins): Tidy output.
443 2009-04-14 Diego Novillo <dnovillo@google.com>
444 Le-Chun Wu <lcwu@google.com>
446 * configure.ac: Add --enable-plugin support.
447 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
448 * Makefile.in (PLUGIN_H): Define.
449 Export ENABLE_PLUGIN and GMPINC to site.exp.
450 Add PLUGINLIBS to link command.
451 Add/modify dependencies for plugin.o and files including plugin.h.
453 * config.in: Regenerate.
455 * opts.c (common_handle_option): Handle OPT_fplugin_ and
458 2009-04-14 Le-Chun Wu <lcwu@google.com>
460 * tree-pass.h (register_one_dump_file): Add a prototype for
461 register_one_dump_file.
462 * toplev.c (compile_file): Call initialize_plugins.
463 (do_compile): Call invoke_plugin_callbacks.
464 (toplev_main): Call invoke_plugin_callbacks.
465 * common.opt: Add -fplugin= and -fplugin-arg-.
466 * gcc-plugin.h: New public header file for plugins to include.
467 * plugin.c: New source file.
468 * plugin.h: New internal header file.
469 * passes.c (register_one_dump_file): Make it external.
471 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
473 2009-04-14 Diego Novillo <dnovillo@google.com>
475 * doc/plugins.texi: New.
476 * doc/gccint.texi: Add reference to Plugins chapter.
477 * doc/invoke.texi: Document -fplugin and -fplugin-arg
478 * diagnostic.c (diagnostic_report_diagnostic): Warn about
479 loaded plugins, if any.
480 * timevar.def (TV_PLUGIN_INIT): Define.
481 (TV_PLUGIN_RUN): Define.
482 * plugin.c: Include timevar.h
483 (plugins_active_p): New.
484 (dump_active_plugins): New.
485 (debug_active_plugins): New.
487 2009-04-14 Joseph Myers <joseph@codesourcery.com>
489 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
491 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
493 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
495 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
496 the same as a minus without a shift.
498 2009-04-14 Nick Clifton <nickc@redhat.com>
500 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
501 comparisons with small integers will always produce a short
504 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
507 2008-12-19 Diego Novillo <dnovillo@google.com>
509 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
511 2000-04-14 Richard Guenther <rguenther@suse.de>
513 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
515 (verify_gimple_assign_binary): Likewise. Handle shifts and
517 (verify_gimple_phi): Print the mismatched argument position.
518 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
520 (vect_update_init_of_dr): Likewise.
521 * matrix-reorg.c (transform_access_sites): Do what the
523 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
525 2009-04-13 Michael Eager <eager@eagercon.com>
527 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
528 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
529 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
530 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
531 remove duplicate config
533 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
535 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
536 file_name:line_number type locator of the call site.
538 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
540 * genautomata.c: Put blank after comma.
541 (automaton_decls): New.
542 (struct unit_usage): Add comments to member next.
543 (store_alt_unit_usage): Keep the list ordered.
544 (unit_present_on_list_p, equal_alternatives_p): New.
545 (check_regexp_units_distribution): Check units distribution
546 correctness correctly.
547 (main): Don't write automata if error is found. Return correct
550 * config/m68k/cf.md (cfv4_ds): Remove.
551 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
552 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
554 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
555 power4-load-ext, power4-store, power4-store-update,
556 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
557 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
558 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
559 power4-sqrt, power4-isync): Modify reservation to make correct
560 unit distribution to automata.
562 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
563 power5-store-update, power5-two, power5-three, power5-lmul,
564 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
566 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
568 * except.c (pass_set_nothrow_function_flags): Set name and add
570 (set_nothrow_function_flags): Mention in the dump file when
571 changing a function to nothrow.
573 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
576 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
577 instead of unsigned long.
579 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
581 * config/arm/arm.c (return_used_this_function): Remove.
582 (arm_output_function_prologue): Remove use of
583 return_used_this_function.
584 (output_return_instruction): Replace use of
585 return_used_this_function
586 by cfun->machine->return_used_this_function.
587 (arm_output_epilogue): Likewise.
588 (arm_output_function_epilogue): Likewise.
589 (thumb_unexpanded_epilogue): Likewise.
590 * config/arm/arm.h (struct machine_function):
591 New member return_used_this_function.
593 2009-04-12 Mark Mitchell <mark@codesourcery.com>
595 * doc/install.texi: Correct description of default directory for
596 --with-gxx-include-dir.
598 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
600 * fold-const.c (build_range_check): Properly deal with enumeral and
603 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
605 * doc/invoke.texi (max_gcse_passes): Remove documentation.
606 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
607 * params.h (MAX_GCSE_PASSES): Remove.
608 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
609 in sequence. Remove ability to run multiple passes.
610 (bypass_jumps): Report run as third CPROP pass.
612 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
615 * except.c (can_throw_external): Look at each insn in a SEQUENCE
616 when deciding whether the whole SEQUENCE can throw.
618 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
621 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
622 offseted label references.
624 2009-04-11 Jan Hubicka <jh@suse.cz>
626 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
628 2009-04-11 Richard Guenther <rguenther@suse.de>
631 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
632 return variables as TREE_ADDRESSABLE.
634 2009-04-11 Richard Guenther <rguenther@suse.de>
636 PR tree-optimization/39713
637 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
638 reference trees have SSA_NAME operands.
640 2009-04-11 Richard Guenther <rguenther@suse.de>
643 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
646 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
648 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
649 match changes in Cygwin 1.7
650 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
651 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
653 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
655 PR tree-optimization/39701
656 * doc/invoke.texi (Optimization Options): Document change in
657 meaning and initialization of -fdelete-null-pointer-checks.
659 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
662 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
664 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
667 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
669 2009-04-10 Chao-ying Fu <fu@mips.com>
671 * doc/tm.texi (Instruction Output): Document
672 TARGET_ASM_FINAL_POSTSCAN_INSN.
673 * target.h (final_postscan_insn): New field in asm_out.
674 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
675 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
676 * final.c (final_scan_insn): Call
677 targetm.asm_out.final_postscan_insn after outputting
678 an asm macro and a normal instruction.
680 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
681 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
682 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
683 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
684 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
686 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
689 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
690 variables as non-NULL even with -fdelete-null-pointer-checks.
692 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
694 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
696 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
699 * config/i386/i386.c (classify_argument): Handle SCmode with
700 (bit_offset % 64) != 0.
702 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
704 * doc/invoke.texi (Optimize Options): Add cross-reference to
705 -Q --help=optimizers examples.
707 2009-04-10 Ben Elliston <bje@au.ibm.com>
710 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
711 regalign for the reg == fpr and TDmode case.
713 2009-04-09 David Ayers <ayers@fsfe.org>
716 * objc/objc-act.c (warn_with_method): Remove helper function.
717 (check_duplicates): Call warning and inform directly.
718 (really_start_method): Likewise.
720 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
722 * expmed.c (expand_divmod): Always use a comparison for a division
723 by a large unsigned integer.
725 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
726 for things others than variables or functions as nonzero.
728 2009-04-09 Nick Clifton <nickc@redhat.com>
730 * unwind-compat.c: Change copyright header to refer to version
731 3 of the GNU General Public License with version 3.1 of the
732 GCC Runtime Library Exception and to point readers at the
733 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
734 * config/alpha/crtfastmath.c: Likewise.
735 * config/alpha/linux-unwind.h: Likewise.
736 * config/alpha/qrnnd.asm: Likewise.
737 * config/alpha/vms-crt0-64.c: Likewise.
738 * config/alpha/vms-crt0.c: Likewise.
739 * config/alpha/vms-dwarf2.asm: Likewise.
740 * config/alpha/vms-dwarf2eh.asm: Likewise.
741 * config/alpha/vms-psxcrt0-64.c: Likewise.
742 * config/alpha/vms-psxcrt0.c: Likewise.
743 * config/alpha/vms_tramp.asm: Likewise.
744 * config/arc/initfini.c: Likewise.
745 * config/arc/lib1funcs.asm: Likewise.
746 * config/arm/bpabi-v6m.S: Likewise.
747 * config/arm/bpabi.S: Likewise.
748 * config/arm/bpabi.c: Likewise.
749 * config/arm/crti.asm: Likewise.
750 * config/arm/crtn.asm: Likewise.
751 * config/arm/ieee754-df.S: Likewise.
752 * config/arm/ieee754-sf.S: Likewise.
753 * config/arm/lib1funcs.asm: Likewise.
754 * config/arm/libunwind.S: Likewise.
755 * config/arm/linux-atomic.c: Likewise.
756 * config/arm/mmintrin.h: Likewise.
757 * config/arm/pr-support.c: Likewise.
758 * config/arm/unaligned-funcs.c: Likewise.
759 * config/arm/unwind-arm.c: Likewise.
760 * config/arm/unwind-arm.h: Likewise.
761 * config/avr/libgcc.S: Likewise.
762 * config/bfin/crti.s: Likewise.
763 * config/bfin/crtlibid.s: Likewise.
764 * config/bfin/crtn.s: Likewise.
765 * config/bfin/lib1funcs.asm: Likewise.
766 * config/bfin/linux-unwind.h: Likewise.
767 * config/cris/arit.c: Likewise.
768 * config/cris/cris_abi_symbol.c: Likewise.
769 * config/darwin-64.c: Likewise.
770 * config/darwin-crt2.c: Likewise.
771 * config/darwin-crt3.c: Likewise.
772 * config/darwin.h: Likewise.
773 * config/dbxelf.h: Likewise.
774 * config/dfp-bit.c: Likewise.
775 * config/dfp-bit.h: Likewise.
776 * config/elfos.h: Likewise.
777 * config/fixed-bit.c: Likewise.
778 * config/fixed-bit.h: Likewise.
779 * config/fp-bit.c: Likewise.
780 * config/fp-bit.h: Likewise.
781 * config/fr30/crti.asm: Likewise.
782 * config/fr30/crtn.asm: Likewise.
783 * config/fr30/lib1funcs.asm: Likewise.
784 * config/freebsd-spec.h: Likewise.
785 * config/frv/cmovd.c: Likewise.
786 * config/frv/cmovh.c: Likewise.
787 * config/frv/cmovw.c: Likewise.
788 * config/frv/frvbegin.c: Likewise.
789 * config/frv/frvend.c: Likewise.
790 * config/frv/lib1funcs.asm: Likewise.
791 * config/glibc-stdint.h: Likewise.
792 * config/h8300/clzhi2.c: Likewise.
793 * config/h8300/crti.asm: Likewise.
794 * config/h8300/crtn.asm: Likewise.
795 * config/h8300/ctzhi2.c: Likewise.
796 * config/h8300/fixunssfsi.c: Likewise.
797 * config/h8300/lib1funcs.asm: Likewise.
798 * config/h8300/parityhi2.c: Likewise.
799 * config/h8300/popcounthi2.c: Likewise.
800 * config/i386/ammintrin.h: Likewise.
801 * config/i386/att.h: Likewise.
802 * config/i386/avxintrin.h: Likewise.
803 * config/i386/biarch64.h: Likewise.
804 * config/i386/bmmintrin.h: Likewise.
805 * config/i386/cpuid.h: Likewise.
806 * config/i386/cross-stdarg.h: Likewise.
807 * config/i386/crtfastmath.c: Likewise.
808 * config/i386/crtprec.c: Likewise.
809 * config/i386/cygming-crtbegin.c: Likewise.
810 * config/i386/cygming-crtend.c: Likewise.
811 * config/i386/cygwin.asm: Likewise.
812 * config/i386/emmintrin.h: Likewise.
813 * config/i386/gmm_malloc.h: Likewise.
814 * config/i386/gthr-win32.c: Likewise.
815 * config/i386/i386.h: Likewise.
816 * config/i386/immintrin.h: Likewise.
817 * config/i386/linux-unwind.h: Likewise.
818 * config/i386/linux64.h: Likewise.
819 * config/i386/mm3dnow.h: Likewise.
820 * config/i386/mmintrin-common.h: Likewise.
821 * config/i386/mmintrin.h: Likewise.
822 * config/i386/nmmintrin.h: Likewise.
823 * config/i386/pmm_malloc.h: Likewise.
824 * config/i386/pmmintrin.h: Likewise.
825 * config/i386/smmintrin.h: Likewise.
826 * config/i386/sol2-c1.asm: Likewise.
827 * config/i386/sol2-ci.asm: Likewise.
828 * config/i386/sol2-cn.asm: Likewise.
829 * config/i386/sol2-gc1.asm: Likewise.
830 * config/i386/tmmintrin.h: Likewise.
831 * config/i386/unix.h: Likewise.
832 * config/i386/w32-unwind.h: Likewise.
833 * config/i386/wmmintrin.h: Likewise.
834 * config/i386/x86-64.h: Likewise.
835 * config/i386/x86intrin.h: Likewise.
836 * config/i386/xmmintrin.h: Likewise.
837 * config/ia64/crtbegin.asm: Likewise.
838 * config/ia64/crtend.asm: Likewise.
839 * config/ia64/crtfastmath.c: Likewise.
840 * config/ia64/crti.asm: Likewise.
841 * config/ia64/crtn.asm: Likewise.
842 * config/ia64/fde-glibc.c: Likewise.
843 * config/ia64/lib1funcs.asm: Likewise.
844 * config/ia64/linux-unwind.h: Likewise.
845 * config/ia64/quadlib.c: Likewise.
846 * config/ia64/unwind-ia64.c: Likewise.
847 * config/linux.h: Likewise.
848 * config/m32c/m32c-lib1.S: Likewise.
849 * config/m32c/m32c-lib2-trapv.c: Likewise.
850 * config/m32c/m32c-lib2.c: Likewise.
851 * config/m32r/initfini.c: Likewise.
852 * config/m68hc11/larith.asm: Likewise.
853 * config/m68hc11/m68hc11-crt0.S: Likewise.
854 * config/m68k/cf.md: Likewise.
855 * config/m68k/crti.s: Likewise.
856 * config/m68k/crtn.s: Likewise.
857 * config/m68k/lb1sf68.asm: Likewise.
858 * config/m68k/linux-unwind.h: Likewise.
859 * config/mcore/crti.asm: Likewise.
860 * config/mcore/crtn.asm: Likewise.
861 * config/mcore/lib1.asm: Likewise.
862 * config/mips/linux-unwind.h: Likewise.
863 * config/mips/loongson.h: Likewise.
864 * config/mips/mips16.S: Likewise.
865 * config/mmix/crti.asm: Likewise.
866 * config/mmix/crtn.asm: Likewise.
867 * config/pa/fptr.c: Likewise.
868 * config/pa/hpux-unwind.h: Likewise.
869 * config/pa/lib2funcs.asm: Likewise.
870 * config/pa/linux-atomic.c: Likewise.
871 * config/pa/linux-unwind.h: Likewise.
872 * config/pa/milli64.S: Likewise.
873 * config/pa/quadlib.c: Likewise.
874 * config/pa/stublib.c: Likewise.
875 * config/picochip/libgccExtras/adddi3.asm: Likewise.
876 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
877 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
878 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
879 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
880 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
881 * config/picochip/libgccExtras/divmod15.asm: Likewise.
882 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
883 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
884 * config/picochip/libgccExtras/longjmp.asm: Likewise.
885 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
886 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
887 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
888 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
889 * config/picochip/libgccExtras/setjmp.asm: Likewise.
890 * config/picochip/libgccExtras/subdi3.asm: Likewise.
891 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
892 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
893 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
894 * config/rs6000/750cl.h: Likewise.
895 * config/rs6000/altivec.h: Likewise.
896 * config/rs6000/biarch64.h: Likewise.
897 * config/rs6000/crtresfpr.asm: Likewise.
898 * config/rs6000/crtresgpr.asm: Likewise.
899 * config/rs6000/crtresxfpr.asm: Likewise.
900 * config/rs6000/crtresxgpr.asm: Likewise.
901 * config/rs6000/crtsavfpr.asm: Likewise.
902 * config/rs6000/crtsavgpr.asm: Likewise.
903 * config/rs6000/darwin-asm.h: Likewise.
904 * config/rs6000/darwin-fallback.c: Likewise.
905 * config/rs6000/darwin-fpsave.asm: Likewise.
906 * config/rs6000/darwin-ldouble.c: Likewise.
907 * config/rs6000/darwin-tramp.asm: Likewise.
908 * config/rs6000/darwin-unwind.h: Likewise.
909 * config/rs6000/darwin-vecsave.asm: Likewise.
910 * config/rs6000/darwin-world.asm: Likewise.
911 * config/rs6000/e500crtres32gpr.asm: Likewise.
912 * config/rs6000/e500crtres64gpr.asm: Likewise.
913 * config/rs6000/e500crtres64gprctr.asm: Likewise.
914 * config/rs6000/e500crtrest32gpr.asm: Likewise.
915 * config/rs6000/e500crtrest64gpr.asm: Likewise.
916 * config/rs6000/e500crtresx32gpr.asm: Likewise.
917 * config/rs6000/e500crtresx64gpr.asm: Likewise.
918 * config/rs6000/e500crtsav32gpr.asm: Likewise.
919 * config/rs6000/e500crtsav64gpr.asm: Likewise.
920 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
921 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
922 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
923 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
924 * config/rs6000/eabi-ci.asm: Likewise.
925 * config/rs6000/eabi-cn.asm: Likewise.
926 * config/rs6000/eabi.asm: Likewise.
927 * config/rs6000/linux-unwind.h: Likewise.
928 * config/rs6000/linux64.h: Likewise.
929 * config/rs6000/paired.h: Likewise.
930 * config/rs6000/paired.md: Likewise.
931 * config/rs6000/ppc64-fp.c: Likewise.
932 * config/rs6000/ppu_intrinsics.h: Likewise.
933 * config/rs6000/rs6000.h: Likewise.
934 * config/rs6000/si2vmx.h: Likewise.
935 * config/rs6000/sol-ci.asm: Likewise.
936 * config/rs6000/sol-cn.asm: Likewise.
937 * config/rs6000/spe.h: Likewise.
938 * config/rs6000/spu2vmx.h: Likewise.
939 * config/rs6000/sysv4.h: Likewise.
940 * config/rs6000/tramp.asm: Likewise.
941 * config/rs6000/vec_types.h: Likewise.
942 * config/s390/linux-unwind.h: Likewise.
943 * config/s390/tpf-unwind.h: Likewise.
944 * config/score/crti.asm: Likewise.
945 * config/score/crtn.asm: Likewise.
946 * config/sh/crt1.asm: Likewise.
947 * config/sh/crti.asm: Likewise.
948 * config/sh/crtn.asm: Likewise.
949 * config/sh/divtab-sh4-300.c: Likewise.
950 * config/sh/divtab-sh4.c: Likewise.
951 * config/sh/divtab.c: Likewise.
952 * config/sh/lib1funcs-4-300.asm: Likewise.
953 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
954 * config/sh/lib1funcs.asm: Likewise.
955 * config/sh/lib1funcs.h: Likewise.
956 * config/sh/linux-atomic.asm: Likewise.
957 * config/sh/linux-unwind.h: Likewise.
958 * config/sh/shmedia.h: Likewise.
959 * config/sh/sshmedia.h: Likewise.
960 * config/sh/ushmedia.h: Likewise.
961 * config/sparc/crtfastmath.c: Likewise.
962 * config/sparc/linux-unwind.h: Likewise.
963 * config/sparc/sol2-c1.asm: Likewise.
964 * config/sparc/sol2-ci.asm: Likewise.
965 * config/sparc/sol2-cn.asm: Likewise.
966 * config/spu/divmodti4.c: Likewise.
967 * config/spu/divv2df3.c: Likewise.
968 * config/spu/float_disf.c: Likewise.
969 * config/spu/float_unsdidf.c: Likewise.
970 * config/spu/float_unsdisf.c: Likewise.
971 * config/spu/float_unssidf.c: Likewise.
972 * config/spu/mfc_multi_tag_release.c: Likewise.
973 * config/spu/mfc_multi_tag_reserve.c: Likewise.
974 * config/spu/mfc_tag_release.c: Likewise.
975 * config/spu/mfc_tag_reserve.c: Likewise.
976 * config/spu/mfc_tag_table.c: Likewise.
977 * config/spu/multi3.c: Likewise.
978 * config/spu/spu_internals.h: Likewise.
979 * config/spu/spu_intrinsics.h: Likewise.
980 * config/spu/spu_mfcio.h: Likewise.
981 * config/spu/vec_types.h: Likewise.
982 * config/spu/vmx2spu.h: Likewise.
983 * config/stormy16/stormy16-lib2.c: Likewise.
984 * config/svr4.h: Likewise.
985 * config/sync.c: Likewise.
986 * config/v850/lib1funcs.asm: Likewise.
987 * config/vxlib-tls.c: Likewise.
988 * config/vxlib.c: Likewise.
989 * config/vxworks-dummy.h: Likewise.
990 * config/xtensa/crti.asm: Likewise.
991 * config/xtensa/crtn.asm: Likewise.
992 * config/xtensa/ieee754-df.S: Likewise.
993 * config/xtensa/ieee754-sf.S: Likewise.
994 * config/xtensa/lib1funcs.asm: Likewise.
995 * config/xtensa/lib2funcs.S: Likewise.
996 * config/xtensa/linux-unwind.h: Likewise.
997 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
998 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
999 * coretypes.h: Likewise.
1000 * crtstuff.c: Likewise.
1001 * defaults.h: Likewise.
1002 * dwarf2.h: Likewise.
1003 * emutls.c: Likewise.
1004 * gbl-ctors.h: Likewise.
1005 * gcov-io.h: Likewise.
1006 * ginclude/float.h: Likewise.
1007 * ginclude/iso646.h: Likewise.
1008 * ginclude/stdarg.h: Likewise.
1009 * ginclude/stdbool.h: Likewise.
1010 * ginclude/stddef.h: Likewise.
1011 * ginclude/stdfix.h: Likewise.
1012 * ginclude/stdint-gcc.h: Likewise.
1013 * ginclude/tgmath.h: Likewise.
1014 * gthr-aix.h: Likewise.
1015 * gthr-dce.h: Likewise.
1016 * gthr-gnat.c: Likewise.
1017 * gthr-gnat.h: Likewise.
1018 * gthr-lynx.h: Likewise.
1019 * gthr-mipssde.h: Likewise.
1020 * gthr-nks.h: Likewise.
1021 * gthr-posix.c: Likewise.
1022 * gthr-posix.h: Likewise.
1023 * gthr-posix95.h: Likewise.
1024 * gthr-rtems.h: Likewise.
1025 * gthr-single.h: Likewise.
1026 * gthr-solaris.h: Likewise.
1027 * gthr-tpf.h: Likewise.
1028 * gthr-vxworks.h: Likewise.
1029 * gthr-win32.h: Likewise.
1031 * libgcc2.c: Likewise.
1032 * libgcc2.h: Likewise.
1033 * libgcov.c: Likewise.
1034 * tsystem.h: Likewise.
1035 * typeclass.h: Likewise.
1036 * unwind-c.c: Likewise.
1037 * unwind-compat.h: Likewise.
1038 * unwind-dw2-fde-compat.c: Likewise.
1039 * unwind-dw2-fde-darwin.c: Likewise.
1040 * unwind-dw2-fde-glibc.c: Likewise.
1041 * unwind-dw2-fde.c: Likewise.
1042 * unwind-dw2-fde.h: Likewise.
1043 * unwind-dw2.c: Likewise.
1044 * unwind-dw2.h: Likewise.
1045 * unwind-generic.h: Likewise.
1046 * unwind-pe.h: Likewise.
1047 * unwind-sjlj.c: Likewise.
1048 * unwind.inc: Likewise.
1049 * config/arm/neon-gen.ml: Change generated copyright header to
1050 refer to version 3 of the GNU General Public License with
1051 version 3.1 of the GCC Runtime Library Exception and to point
1052 readers at the COPYING3 and COPYING3.RUNTIME files and the
1053 FSF's license web page.
1054 * config/arm/arm_neon.h: Regenerate.
1056 2009-04-09 Jakub Jelinek <jakub@redhat.com>
1058 * config/cris/cris.md: Change copyright header to refer to version
1059 3 of the GNU General Public License.
1060 * doc/install.texi2html: Change copyright header to refer to version
1061 3 of the GNU General Public License and to point readers at the
1062 COPYING3 file and the FSF's license web page.
1063 * config/vax/linux.h: Likewise.
1065 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
1067 * config/i386/i386.md (cmpcc): New.
1068 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1069 (sync_compare_and_swap_cc*): Delete.
1071 * config/s390/s390.c (s390_compare_emitted): Remove.
1072 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1073 s390_compare_emitted used to be handled. Assert that modes match.
1074 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1075 refer to sync_compare_and_swap_ccsi.
1076 * config/s390/s390.h (s390_compare_emitted): Remove.
1077 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1078 instead of s390_compare_emitted.
1079 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1080 instead of s390_compare_emitted.
1081 * config/s390/s390.md (cmpcc): New.
1082 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1083 CC_REGNUM, do not pretend it's set.
1084 (sync_compare_and_swap_cc*): Delete.
1085 * config/s390/predicates.md (cc_reg_operand): New.
1087 * expr.c (sync_compare_and_swap_cc): Delete.
1088 * optabs.h (sync_compare_and_swap_cc): Delete.
1089 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1090 is being used with can_compare_p.
1091 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1093 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1094 look for a MODE_CC set instead. Use emit_store_flag.
1095 (expand_compare_and_swap_loop): Likewise, with some additional
1096 complication to avoid a force_reg when useless. Use
1097 emit_cmp_and_jump_insns.
1098 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1099 * doc/md.texi (sync_compare_and_swap_cc): Merge with
1100 sync_compare_and_swap documentation.
1102 2009-04-09 Jan Hubicka <jh@suse.cz>
1104 * except.c (find_prev_try): Break out from ....
1105 (duplicate_eh_regions): ... here; properly update prev_try pointers
1106 when duplication part of tree.
1107 (dump_eh_tree): Improve dumping.
1108 (verify_eh_region): New.
1109 (verify_eh_tree): Use it.
1111 2009-04-06 Richard Guenther <rguenther@suse.de>
1113 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1114 &ARRAY addresses by adjusting their types and prepending
1116 * tree-cfg.c (verify_gimple_assign_single): Verify that
1117 addresses are correct.
1119 2009-04-09 Richard Guenther <rguenther@suse.de>
1121 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1122 indices into an array reference if possible.
1123 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1124 Fold POINTER_PLUS_EXPR statements with invariant address.
1126 2009-04-09 Alan Modra <amodra@bigpond.net.au>
1129 * config.gcc (powerpc64-*-linux*): Always build biarch.
1131 2009-04-09 Joseph Myers <joseph@codesourcery.com>
1134 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1135 it and pedwarn if this results in an INTEGER_CST.
1137 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1139 * doc/install.texi: Update minimum GMP version. Remove obsolete
1140 text in MPFR section.
1142 2009-04-08 Jakub Jelinek <jakub@redhat.com>
1144 * dwarf2out.c (class_scope_p): New static inline.
1145 (class_or_namespace_scope_p): Use it.
1146 (gen_variable_die): Use DW_TAG_member tag for static data member
1147 declarations instead of DW_TAG_variable.
1150 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1153 2009-04-08 Richard Guenther <rguenther@suse.de>
1155 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1156 valueize random data.
1158 2009-04-08 David Edelsohn <edelsohn@gnu.org>
1160 * config.gcc (aix tm_file): Add aix-stdint.h.
1161 (aix tm clause use_gcc_stdint): Set to wrap.
1162 * config/rs6000/aix-stdint.h: New file.
1164 2009-04-08 Richard Guenther <rguenther@suse.de>
1167 * tree-dfa.c (add_referenced_var): Do not recurse into
1168 global initializers.
1169 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1171 (fold_const_aggregate_ref): Likewise.
1173 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1175 * recog.c (ordered_comparison_operator): New.
1176 * gensupport.c (std_preds): Add it.
1177 * doc/md.texi (Machine-Independent Predicates): Document it.
1179 2009-04-08 Jan Hubicka <jh@suse.cz>
1181 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1182 * function.h (rtl_eh): Remove exception_handler_label_map.
1183 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1184 remove_exception_handler_label, for_each_eh_label_1): Remove.
1185 (rtl_remove_unreachable_regions): Remove.
1186 (convert_from_eh_region_ranges): Do not remove unreachable regions.
1187 (find_exception_handler_labels): Don't build the hashtable.
1188 (maybe_remove_eh_handler): Remove.
1189 (for_each_eh_label): Rewrite to walk the tree.
1190 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1191 * except.h (maybe_remove_eh_handler): Remove.
1192 * passes.c (init_optimization_passes): Schedule second EH cleanup
1194 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1195 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1197 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1199 * genoutput.c (validate_optab_operands): New.
1200 (gen_insn, gen_expand): Call it.
1202 * genflags.c (gen_insn): Detect misused iterators.
1203 (main): Pass line_no to gen_insn, exit with status 1 on error.
1205 * genextract.c (line_no): Make global.
1206 (VEC_safe_set_locstr): Change assertion to error message.
1207 (main): Exit with status 1 on error.
1209 2009-04-08 Joseph Myers <joseph@codesourcery.com>
1213 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1214 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1215 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1216 * c-convert.c (convert): Do not call fold on results of conversion
1217 functions when the result is a C_MAYBE_CONST_EXPR.
1218 * c-parser.c (c_parser_postfix_expression): Do not fold condition
1219 of __builtin_choose_expr.
1220 * c-typeck.c (remove_c_maybe_const_expr): New.
1221 (build_unary_op, build_conditional_expr, build_compound_expr,
1222 build_binary_op, c_objc_common_truthvalue_conversion): Call
1223 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1226 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1228 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
1229 CODE to produce a new one. Add a prototype to use fold_convert_const
1231 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
1234 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1235 mix declarations and code.
1237 2009-04-08 Ben Elliston <bje@au.ibm.com>
1239 * gcc.c: Replace `CC' with `GCC' throughout.
1241 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
1243 * doc/invoke.texi: Document Atom support.
1245 2009-04-07 Jason Merrill <jason@redhat.com>
1248 * c-common.h, c-common.c: Add flag_pretty_templates.
1249 * c-opts.c (c_common_handle_option): Set it.
1250 * c.opt: Add -fno-pretty-templates.
1251 * doc/invoke.texi (C++ Dialect Options): Likewise.
1253 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
1255 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1256 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1257 (ia64_expand_builtin): Likewise.
1259 2009-04-07 Martin Jambor <mjambor@suse.cz>
1261 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1262 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1263 ADDR_EXPRS are include too.
1265 2009-04-07 Richard Guenther <rguenther@suse.de>
1267 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1268 decls are only used if passes as parameters or if they are
1269 local statics and the call is not to a builtin.
1270 (call_may_clobber_ref_p_1): Likewise.
1272 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1274 * expr.c (do_store_flag): Remove last argument. Simplify code
1275 to avoid duplication of tests already done by can_compare_p.
1276 (expand_expr_real_1): Adjust caller.
1278 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1280 * optabs.c (can_compare_p): Test the predicate of a
1281 cbranch and cstore pattern.
1283 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1285 * expr.c (convert_move): Use emit_store_flag instead of
1288 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1290 * config/i386/i386.c (ix86_compare_emitted): Remove.
1291 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1292 ix86_compare_op0 like ix86_compare_emitted used to be handled.
1293 * config/i386/i386.h (ix86_compare_emitted): Remove.
1294 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1295 instead of ix86_compare_emitted.
1296 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1298 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
1300 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1301 Add t-sysroot-suffix to tmake_file.
1302 * config/print-sysroot-suffix.sh: New file.
1303 * config/t-sysroot-suffix: New file.
1305 2009-04-07 Ben Elliston <bje@au.ibm.com>
1307 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1308 as the latter produces a warning when the target does not support
1311 2009-04-07 Ben Elliston <bje@au.ibm.com>
1313 * dfp.c: Replace type punning assignments with memcpy throughout.
1314 * Makefile.in (dfp.o-warn): Remove.
1316 2009-04-07 Alan Modra <amodra@bigpond.net.au>
1319 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1320 Include soft-fp/t-softfp after rs6000/t-linux64.
1322 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
1324 * stor-layout.c (set_sizetype): Use the full precision of their
1325 machine mode for bitsize types.
1327 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
1329 * config/i386/i386.md: Revert 2 accidental checkins.
1331 2009-04-06 Joey Ye <joey.ye@intel.com>
1332 Xuepeng Guo <xuepeng.guo@intel.com>
1333 H.J. Lu <hongjiu.lu@intel.com>
1335 Atom pipeline model, tuning and insn selection.
1336 * config.gcc (atom): Add atom config options and target.
1338 * config/i386/atom.md: New.
1340 * config/i386/i386.c (atom_cost): New cost.
1341 (m_ATOM): New macro flag.
1342 (initial_ix86_tune_features): Set m_ATOM.
1343 (x86_accumulate_outgoing_args): Likewise.
1344 (x86_arch_always_fancy_math_387): Likewise.
1345 (processor_target): Add Atom cost.
1346 (cpu_names): Add Atom cpu name.
1347 (override_options): Set Atom ISA.
1348 (ix86_issue_rate): New case PROCESSOR_ATOM.
1349 (ix86_adjust_cost): Likewise.
1351 * config/i386/i386.h (TARGET_ATOM): New target macro.
1352 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1353 (TARGET_OPT_AGU): New target option.
1354 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1355 (processor_type): Add PROCESSOR_ATOM.
1357 * config/i386/i386.md (cpu): Add new value "atom".
1358 (use_carry, movu): New attr.
1359 (atom.md): Include atom.md.
1360 (adddi3_carry_rex64): Set attr "use_carry".
1361 (addqi3_carry): Likewise.
1362 (addhi3_carry): Likewise.
1363 (addsi3_carry): Likewise.
1364 (*addsi3_carry_zext): Likewise.
1365 (subdi3_carry_rex64): Likewise.
1366 (subqi3_carry): Likewise.
1367 (subhi3_carry): Likewise.
1368 (subsi3_carry): Likewise.
1369 (x86_movdicc_0_m1_rex64): Likewise.
1370 (*x86_movdicc_0_m1_se): Likewise.
1371 (x86_movsicc_0_m1): Likewise.
1372 (*x86_movsicc_0_m1_se): Likewise.
1373 (*adddi_1_rex64): Emit add insn as much as possible.
1374 (*addsi_1): Likewise.
1375 (return_internal): Set atom_unit.
1376 (return_internal_long): Likewise.
1377 (return_pop_internal): Likewise.
1378 (*rcpsf2_sse): Set atom_sse_attr attr.
1379 (*qrt<mode>2_sse): Likewise.
1380 (*prefetch_sse): Likewise.
1382 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1384 (ix86_target_macros_internal): Likewise.
1386 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1387 (*prefetch_sse_rex): Likewise.
1388 (sse_rcpv4sf2): Likewise.
1389 (sse_vmrcpv4sf2): Likewise.
1390 (sse_sqrtv4sf2): Likewise.
1391 (<sse>_vmsqrt<mode>2): Likewise.
1392 (sse_ldmxcsr): Likewise.
1393 (sse_stmxcsr): Likewise.
1394 (*sse_sfence): Likewise.
1395 (sse2_clflush): Likewise.
1396 (*sse2_mfence): Likewise.
1397 (*sse2_lfence): Likewise.
1398 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1399 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1400 (avx_movdqu<avxmodesuffix>): Likewise.
1401 (avx_lddqu<avxmodesuffix>): Likewise.
1402 (sse2_movntv2di): Change attr "type" to "ssemov".
1403 (sse2_movntsi): Likewise.
1404 (rsqrtv8sf2): Change attr "type" to "sseadd".
1405 (sse3_addsubv2df3): Set attr "atom_unit".
1406 (sse3_h<plusminus_insn>v4sf3): Likewise.
1407 (*sse2_pmaddwd): Likewise.
1408 (*vec_extractv2di_1_rex64): Likewise.
1409 (*vec_extractv2di_1_avx): Likewise.
1410 (sse2_psadbw): Likewise.
1411 (ssse3_phaddwv8hi3): Likewise.
1412 (ssse3_phaddwv4hi3): Likewise.
1413 (ssse3_phadddv4si3): Likewise.
1414 (ssse3_phadddv2si3): Likewise.
1415 (ssse3_phaddswv8hi3): Likewise.
1416 (ssse3_phaddswv4hi3): Likewise.
1417 (ssse3_phsubwv8hi3): Likewise.
1418 (ssse3_phsubwv4hi3): Likewise.
1419 (ssse3_phsubdv4si3): Likewise.
1420 (ssse3_phsubdv2si3): Likewise.
1421 (ssse3_phsubswv8hi3): Likewise.
1422 (ssse3_phsubswv4hi3): Likewise.
1423 (ssse3_pmaddubsw128): Likewise.
1424 (sse3_pmaddubsw: Likewise.
1425 (ssse3_palignrti): Likewise.
1426 (ssse3_palignrdi): Likewise.
1428 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1430 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1432 2009-04-06 Richard Guenther <rguenther@suse.de>
1434 PR tree-optimization/28868
1435 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1436 of which PHI results we inserted.
1437 (insert_into_preds_of_block): Record inserted PHIs.
1438 (eliminate): Eliminate redundant PHI nodes.
1439 (init_pre): Init inserted_phi_names.
1441 2009-04-06 Richard Guenther <rguenther@suse.de>
1443 PR tree-optimization/39643
1444 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1445 IMAGPART_EXPRs of complex constants.
1446 (execute_fold_all_builtins): If we folded a call queue
1447 TODO_update_address_taken.
1449 2009-04-06 Jan Hubicka <jh@suse.cz>
1452 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1455 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1457 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1459 (ic_invalidate_array): Likewise.
1461 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1463 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1464 alignment for library calls.
1466 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1468 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1469 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1470 * config/i386/mingw-stdint.h: New file.
1472 2009-04-05 Richard Guenther <rguenther@suse.de>
1474 PR tree-optimization/39648
1475 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1476 our &A vs. &A[0] IL deficiencies.
1478 2009-04-04 Jan Hubicka <jh@suse.cz>
1480 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1481 removed toplevel regions.
1482 (sjlj_mark_call_sites): Likewise.
1484 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1486 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1487 (cygwin tm clause use_gcc_stdint): Set to wrap.
1488 * config/i386/cygwin-stdint.h: New file.
1490 2009-04-04 Richard Guenther <rguenther@suse.de>
1492 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1493 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1494 single-argument PHIs if we are in loop-closed SSA form.
1495 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1496 for the pre-condition.
1497 (slpeel_tree_peel_loop_to_edge): Likewise.
1498 (vect_build_loop_niters): Take an optional sequence to append stmts.
1499 (vect_generate_tmps_on_preheader): Likewise.
1500 (vect_do_peeling_for_loop_bound): Take extra guards for the
1502 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1503 the cost model check.
1504 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1505 guards if we are going to peel. Do not apply versioning in that case.
1506 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1507 (vect_do_peeling_for_loop_bound): Likewise.
1508 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1509 loop bound only record extra pre-conditions, do not apply loop
1512 2009-04-04 Richard Guenther <rguenther@suse.de>
1514 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1517 2009-04-04 Jan Hubicka <jh@suse.cz>
1519 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1520 last_basic_block for size of bb->index indexed array.
1521 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1522 compute_out, link_btr_uses, build_btr_def_use_webs,
1523 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1525 2009-04-04 Jan Hubicka <jh@suse.cz>
1527 * except.c (remove_eh_handler_and_replace): Break out from ...
1528 (remove_eh_handler): ... here.
1529 (bring_to_root): New function.
1530 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1531 handled ones, bring others to root of tree.
1533 2009-04-04 Jan Hubicka <jh@suse.cz>
1535 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1536 (all_phis_safe_to_merge): New function.
1537 (update_info): New structure.
1538 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1539 (cleanup_empty_eh): Update SSA if possible.
1541 2009-04-04 Richard Guenther <rguenther@suse.de>
1543 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1544 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1545 (append_vuse): Likewise.
1547 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1549 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1550 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1551 instead of REG_UNSAVED for DW_CFA_undefined.
1552 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1553 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1556 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1559 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1560 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1561 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1563 2009-04-04 Richard Guenther <rguenther@suse.de>
1565 PR tree-optimization/8781
1566 PR tree-optimization/37892
1567 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1568 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1569 (valueize_refs): Call it for *& valueizations.
1570 (shared_reference_ops_from_ref): Rename to ...
1571 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1572 (shared_reference_ops_from_call): Rename to ...
1573 (valueize_shared_reference_ops_from_call): ... this and valueize.
1574 (vn_reference_lookup): Update.
1575 (visit_reference_op_call): Likewise.
1576 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1577 (eliminate): Value-replace the call address in call statements.
1579 2009-04-04 Richard Guenther <rguenther@suse.de>
1581 PR tree-optimization/39636
1582 * tree-ssa-forwprop.c
1583 (forward_propagate_addr_into_variable_array_index): Check for
1584 GIMPLE_ASSIGN before accessing the rhs code.
1586 2009-04-03 Jason Merrill <jason@redhat.com>
1588 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1590 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1592 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1593 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1594 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1595 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1596 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1597 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1598 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1599 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1600 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1601 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1602 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1603 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1604 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1605 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1606 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1607 Use fr_reg_or_fp01_operand instead of fr_register_operand
1609 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1610 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1611 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1613 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1615 PR rtl-optimization/39607
1616 PR rtl-optimization/39631
1620 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1621 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1622 instead of DF_LR_OUT.
1623 * ira-lives.c (process_bb_node_lives): Ditto.
1624 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1625 instead of DF_LR_{OUT,IN}.
1626 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1627 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1629 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1631 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1632 (execute_lower_omp): Always run but take the short way out if -fopenmp
1634 (gate_lower_omp): Remove, forcing the pass manager to always run the
1635 pass and always set PROP_gimple_lomp.
1636 (pass_lower_omp): Remove gate function.
1637 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1638 PROP_trees. Instead, require it.
1639 * ipa-cp.c (pass_ipa_cp): Likewise.
1640 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1641 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1642 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1643 and PROP_gimple_leh.
1645 2009-04-03 Richard Guenther <rguenther@suse.de>
1648 PR tree-optimization/23940
1649 PR tree-optimization/33237
1652 PR tree-optimization/36201
1653 PR tree-optimization/36230
1654 PR tree-optimization/38049
1655 PR tree-optimization/38207
1656 PR tree-optimization/38230
1657 PR tree-optimization/38301
1658 PR tree-optimization/38585
1660 PR tree-optimization/38985
1661 PR tree-optimization/39299
1662 * tree-ssa-structalias.h: Remove.
1663 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1664 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1665 (struct vuse_element_d): Remove.
1666 (struct vuse_vec_d): Likewise.
1667 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1668 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1669 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1670 VUSE_ELEMENT_VAR): Likewise.
1671 (struct voptype_d): Likewise.
1672 (NUM_VOP_FREE_BUCKETS): Likewise.
1673 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1674 (struct stmt_operands_d): Remove.
1675 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1676 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1677 VDEF_NUM, VDEF_VECT): Likewise.
1678 (copy_virtual_operands): Remove.
1679 (operand_build_cmp): Likewise.
1680 (create_ssa_artificial_load_stmt): Likewise.
1681 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1682 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1683 vuse_index and mayuse_index members. Pack and move done and iter_type
1684 members to the front.
1685 (SSA_OP_VMAYUSE): Remove.
1686 (SSA_OP_VIRTUAL_USES): Adjust.
1687 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1688 (unlink_stmt_vdef): Declare.
1689 (add_to_addressable_set): Remove.
1690 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1691 (vrp_visit_stmt): Likewise.
1692 * doc/tree-ssa.texi (Alias analysis): Update.
1693 * doc/invoke.texi (max-aliased-vops): Remove docs.
1694 (avg-aliased-vops): Likewise.
1695 * tree-into-ssa.c (syms_to_rename): Remove.
1696 (need_to_update_vops_p): Likewise.
1697 (need_to_initialize_update_ssa_p): Rename to ...
1698 (update_ssa_initialized_fn): ... this. Track function we are
1700 (symbol_marked_for_renaming): Simplify.
1701 (add_new_name_mapping): Do not set need_to_update_vops_p.
1702 (dump_currdefs): Use SYMS_TO_RENAME.
1703 (rewrite_update_stmt): Always walk all uses/defs.
1704 (dump_update_ssa): Adjust.
1705 (init_update_ssa): Take function argument. Track what we are
1707 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1708 (create_new_def_for): Initialize for cfun, assert we are initialized
1710 (mark_sym_for_renaming): Simplify.
1711 (mark_set_for_renaming): Do not initialize update-ssa.
1712 (need_ssa_update_p): Simplify. Take function argument.
1713 (name_mappings_registered_p): Assert we ask for the correct function.
1714 (name_registered_for_update_p): Likewise.
1715 (ssa_names_to_replace): Likewise.
1716 (release_ssa_name_after_update_ssa): Likewise.
1717 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1718 (dump_decl_set): Do not print a newline.
1719 (debug_decl_set): Do it here.
1720 (dump_update_ssa): And here.
1721 * tree-ssa-loop-im.c (move_computations): Adjust.
1722 (movement_possibility): Likewise.
1723 (determine_max_movement): Likewise.
1724 (gather_mem_refs_stmt): Likewise.
1725 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1727 * tree-complex.c (update_all_vops): Remove.
1728 (expand_complex_move): Adjust.
1729 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1730 Simplify test for memory referencing statement. Exclude
1731 non-invariant ADDR_EXPRs.
1732 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1733 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1734 (rdg_flag_uses): Likewise.
1735 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1737 (tree_optimize_tail_calls_1): Also split the
1738 edge from the entry block if we have degenerate PHI nodes in
1739 the first basic block.
1740 * tree.c (init_ttree): Remove memory-tag related code.
1741 (tree_code_size): Likewise.
1742 (tree_node_structure): Likewise.
1743 (build7_stat): Re-write to be build6_stat.
1744 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1745 (SSA_VAR_P): Adjust.
1746 (struct tree_memory_tag): Remove.
1747 (struct tree_memory_partition_tag): Likewise.
1748 (union tree_node): Adjust.
1749 (build7): Re-write to be build6.
1750 * tree-pass.h (pass_reset_cc_flags): Remove.
1751 (TODO_update_address_taken): New flag.
1752 (pass_simple_dse): Remove.
1753 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1754 * params.h (MAX_ALIASED_VOPS): Remove.
1755 (AVG_ALIASED_VOPS): Likewise.
1756 * omp-low.c (expand_omp_taskreg): Update SSA form.
1757 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1758 aliases the lhs in a copy stmt.
1759 * tree-ssa-dse.c (struct address_walk_data): Remove.
1760 (memory_ssa_name_same): Likewise.
1761 (memory_address_same): Likewise.
1762 (get_kill_of_stmt_lhs): Likewise.
1763 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1764 unused stores. Look through PHI nodes into post-dominated regions.
1765 (dse_optimize_stmt): Simplify. Properly remove stores.
1766 (tree_ssa_dse): Compute dominators.
1767 (execute_simple_dse): Remove.
1768 (pass_simple_dse): Likewise.
1769 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1770 gimple_loaded_syms and gimple_stored_syms computation.
1771 * toplev.c (dump_memory_report): Dump alias and pta stats.
1772 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1773 (vn_reference_eq): Likewise.
1774 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1775 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1776 valueize_vuses): Remove.
1777 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1778 (get_def_ref_stmt_vuse): ... this.
1779 (vn_reference_lookup_2): New function.
1780 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1781 walking equivalent vuses. Simplify.
1782 (vn_reference_lookup): Likewise.
1783 (vn_reference_insert): Likewise.
1784 (vn_reference_insert_pieces): Likewise.
1785 (visit_reference_op_call): Simplify.
1786 (visit_reference_op_load): Likewise.
1787 (visit_reference_op_store): Likewise.
1788 (init_scc_vn): Remove shared_lookup_vuses initialization.
1789 (free_scc_vn): Remove shared_lookup_vuses freeing.
1790 (sort_vuses, sort_vuses_heap): Remove.
1791 (get_ref_from_reference_ops): Export.
1792 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1793 vector with single vuse pointer.
1794 (vn_reference_lookup_pieces, vn_reference_lookup,
1795 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1796 (shared_vuses_from_stmt): Remove.
1797 (get_ref_from_reference_ops): Declare.
1798 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1799 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1800 memory-tag related code.
1801 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1802 (likely_value): Add comment, skip static-chain of call statements.
1803 (surely_varying_stmt_p): Adjust.
1804 (gimplify_and_update_call_from_tree): Likewise.
1805 (execute_fold_all_builtins): Do not rebuild alias info.
1806 (gimplify_and_update_call_from_tree): Properly update VOPs.
1807 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1808 (copy_ref_info): Remove memory-tag related code.
1809 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1810 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1811 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1813 * tree-ssa-dom.c (gimple_p): Remove typedef.
1814 (eliminate_redundant_computations): Adjust.
1815 (record_equivalences_from_stmt): Likewise.
1816 (avail_expr_hash): Likewise.
1817 (avail_expr_eq): Likewise.
1818 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1819 (stmt_makes_single_load): Likewise.
1820 (stmt_makes_single_store): Likewise.
1821 * tree-ssa-alias.c: Rewrite completely.
1822 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1823 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1824 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1825 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1826 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1827 Remove public functions.
1828 (pass_reset_cc_flags): Remove.
1829 (pass_build_alias): Move ...
1830 * tree-ssa-structalias.c (pass_build_alias): ... here.
1831 * tree-ssa-alias.c (may_be_aliased): Move ...
1832 * tree-flow-inline.h (may_be_aliased): ... here.
1833 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1834 count_uses_and_derefs): Move ...
1835 * gimple.c: ... here.
1836 * gimple.h (count_uses_and_derefs): Declare.
1837 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1838 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1839 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1840 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1841 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1842 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1843 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1845 * tree-dfa.c (refs_may_alias_p): Move ...
1846 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1847 * tree-ssa-alias.h: New file.
1848 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1849 (statement_sink_location): Likewise.
1850 * opts.c (decode_options): Do not adjust max-aliased-vops or
1851 avg-aliased-vops values.
1852 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1853 (TV_CALL_CLOBBER): Likewise.
1854 (TV_FLOW_SENSITIVE): Likewise.
1855 (TV_FLOW_INSENSITIVE): Likewise.
1856 (TV_MEMORY_PARTITIONING): Likewise.
1857 (TV_ALIAS_STMT_WALK): New timevar.
1858 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1859 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1860 (get_address_description): Remove memory-tag related code.
1861 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1862 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1863 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1864 and immediate uses in statements. Document.
1865 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1866 (dump_symbols): Remove.
1867 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1868 * alias.c (get_deref_alias_set): New function split out from ...
1869 (get_alias_set): ... here.
1870 * alias.h (get_deref_alias_set): Declare.
1871 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1872 type parameter. Remove restrict pointer handling. Create a
1873 ref-all pointer in case type-based alias sets do not conflict.
1874 (vect_analyze_data_refs): Remove SMT related code.
1875 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1876 (vectorizable_load): Likewise.
1877 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1878 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1879 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1880 Ignore vops and SMTs.
1881 (dr_analyze_alias): Likewise..
1882 (free_data_ref): Likewise.
1883 (create_data_ref): Likewise.
1884 (analyze_all_data_dependences): Likewise.
1885 (get_references_in_stmt): Adjust.
1886 * tree-flow-inline.h (gimple_aliases_computed_p,
1887 gimple_addressable_vars, gimple_call_clobbered_vars,
1888 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1889 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1890 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1891 gimple_mem_ref_stats): Remove.
1892 (gimple_vop): New function.
1893 (op_iter_next_use): Remove vuses and mayuses cases.
1894 (op_iter_next_def): Remove vdefs case.
1895 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1896 (clear_and_done_ssa_iter): Do not set removed fields.
1897 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1898 Assert we are not iterating over vuses or vdefs if not also
1899 iterating over uses or defs.
1900 (op_iter_init_use): Likewise.
1901 (op_iter_init_def): Likewise.
1902 (op_iter_next_vdef): Remove.
1903 (op_iter_next_mustdef): Likewise.
1904 (op_iter_init_vdef): Likewise.
1905 (compare_ssa_operands_equal): Likewise.
1906 (link_use_stmts_after): Handle vuse operand.
1907 (is_call_used): Use is_call_clobbered.
1908 (is_call_clobbered): Global variables are always call clobbered,
1909 query the call-clobbers bitmap.
1910 (mark_call_clobbered): Ignore global variables.
1911 (clear_call_clobbered): Likewise.
1912 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1913 virtual operands sanity check.
1914 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1916 (TARGET_MEM_REF): Remove TMR_TAG operand.
1917 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1918 Remove call-clobber related code.
1919 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1920 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1921 partitions or escape reason.
1922 (get_single_def_stmt, get_single_def_stmt_from_phi,
1923 get_single_def_stmt_with_phi): Remove.
1924 (dump_referenced_vars): Tidy.
1925 (get_ref_base_and_extent): Allow bare decls.
1926 (collect_dfa_stats): Adjust.
1927 * graphite.c (rename_variables_in_stmt): Adjust.
1928 (graphite_copy_stmts_from_block): Likewise.
1929 (translate_clast): Likewise.
1930 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1932 (translate_vuse_through_block): Use the oracle.
1933 (phi_translate_1): Adjust.
1934 (value_dies_in_block_x): Use the oracle. Cache the outcome
1936 (valid_in_sets): Check if the VUSE for
1937 a REFERENCE is available.
1938 (eliminate): Do not remove stmts during elimination,
1939 instead queue and remove them afterwards.
1940 (do_pre): Do not rebuild alias info.
1941 (pass_pre): Run TODO_rebuild_alias before PRE.
1942 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1943 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1944 (mark_all_v_defs_stmt): Remove.
1945 (mark_all_v_defs_seq): Adjust.
1946 (sra_replace): Likewise.
1947 (scalarize_use): Likewise.
1948 (scalarize_copy): Likewise.
1949 (scalarize_init): Likewise.
1950 (scalarize_ldst): Likewise.
1951 (todoflags): Remove.
1952 (tree_sra): Do not rebuild alias info.
1953 (tree_sra_early): Adjust.
1954 (pass_sra): Run TODO_update_address_taken before SRA.
1955 * tree-predcom.c (set_alias_info): Remove.
1956 (prepare_initializers_chain): Do not call it.
1957 (mark_virtual_ops_for_renaming): Adjust.
1958 (mark_virtual_ops_for_renaming_list): Remove.
1959 (initialize_root_vars): Adjust.
1960 (initialize_root_vars_lm): Likewise.
1961 (prepare_initializers_chain): Likewise.
1962 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1963 (may_propagate_copy_into_stmt): Likewise.
1964 (merge_alias_info): Do nothing for now.
1965 (propagate_tree_value_into_stmt): Adjust.
1966 (stmt_may_generate_copy): Likewise.
1967 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1968 not mark symbols for renaming.
1969 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1970 with the same statement, make sure to update the new pointed-to one.
1971 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1972 call statements, do not mark symbols for renaming.
1973 (mark_operand_necessary): Dump something.
1974 (ref_may_be_aliased): New function.
1975 (mark_aliased_reaching_defs_necessary_1): New helper function.
1976 (mark_aliased_reaching_defs_necessary): Likewise.
1977 (mark_all_reaching_defs_necessary_1): Likewise.
1978 (mark_all_reaching_defs_necessary): Likewise.
1979 (propagate_necessity): Do not process virtual PHIs. For
1980 non-aliased loads mark all reaching definitions as necessary.
1981 For aliased loads and stores mark the immediate dominating
1982 aliased clobbers as necessary.
1983 (visited): New global static.
1984 (perform_tree_ssa_dce): Free visited bitmap after propagating
1986 (remove_dead_phis): Perform simple dead virtual PHI removal.
1987 (remove_dead_stmt): Properly unlink virtual operands when
1989 (eliminate_unnecessary_stmts): Schedule PHI removal after
1991 * tree-ssa-ter.c (is_replaceable_p): Adjust.
1992 (process_replaceable): Likewise.
1993 (find_replaceable_in_bb): Likewise.
1994 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1995 based on the single gimple vop.
1996 (verify_flow_insensitive_alias_info): Remove.
1997 (verify_flow_sensitive_alias_info): Likewise.
1998 (verify_call_clobbering): Likewise.
1999 (verify_memory_partitions): Likewise.
2000 (verify_alias_info): Likewise.
2001 (verify_ssa): Adjust..
2002 (execute_update_addresses_taken): Export. Update SSA
2003 manually. Optimize only when optimizing. Use a local bitmap.
2004 (pass_update_address_taken): Remove TODO_update_ssa, add
2006 (pass_update_address_taken): Just use TODO_update_address_taken.
2007 (init_tree_ssa): Do not initialize addressable_vars.
2008 (verify_ssa): Verify new VUSE / VDEF properties.
2009 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2010 Do not call verify_alias_info.
2011 (delete_tree_ssa): Clear the VUSE, VDEF operands.
2012 Do not free the loaded and stored syms bitmaps. Reset the escaped
2013 and callused solutions. Do not free addressable_vars.
2014 Remove memory-tag related code.
2015 (warn_uninitialized_var): Aliases are always available.
2016 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2017 * lambda-code.c (can_put_in_inner_loop): Adjust.
2018 (can_put_after_inner_loop): Likewise.
2019 (perfect_nestify): Likewise.
2020 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2021 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2022 (vectorizable_conversion): Do not mark symbols for renaming.
2023 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2024 (expand_call_inline): Unlink the calls virtual operands before
2026 (tree_function_versioning): Do not call update_ssa if we are not
2027 updating clones. Simplify.
2028 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2029 (propagate_with_phi): Likewise..
2030 * tree-outof-ssa.c (create_temp): Remove memory tag and call
2031 clobber code. Assert we are not aliased or global.
2032 * tree-flow.h: Include tree-ssa-alias.h
2033 (enum escape_type): Remove.
2034 (struct mem_sym_stats_d): Likewise.
2035 (struct mem_ref_stats_d): Likewise.
2036 (struct gimple_df): Add vop member. Remove global_var,
2037 call_clobbered_vars, call_used_vars, addressable_vars,
2038 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
2039 escaped and callused members.
2040 (struct ptr_info_def): Remove all members, add points-to solution
2042 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2043 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2044 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2045 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2046 (tree-ssa-alias.o): Likewise.
2047 (toplev.o): Add tree-ssa-alias.h
2048 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2049 * gimple.c (gimple_set_bb): Fix off-by-one error.
2050 (is_gimple_reg): Do not handle memory tags.
2051 (gimple_copy): Also copy virtual operands.
2052 Delay updating the statement. Do not reset loaded and stored syms.
2053 (gimple_set_stored_syms): Remove.
2054 (gimple_set_loaded_syms): Likewise.
2055 (gimple_call_copy_skip_args): Copy the virtual operands
2056 and mark the new statement modified.
2057 * tree-ssa-structalias.c (may_alias_p): Remove.
2058 (set_uids_in_ptset): Take the alias set to prune with as
2059 parameter. Fold in the alias test of may_alias_p.
2060 (compute_points_to_sets): Compute whether a ptr is dereferenced
2062 (process_constraint): Deal with &ANYTHING on the lhs, reject all
2063 other ADDRESSOF constraints on the lhs.
2064 (get_constraint_for_component_ref): Assert that we don't get
2065 ADDRESSOF constraints from the base of the reference.
2066 Properly generate UNKNOWN_OFFSET for DEREF if needed.
2067 (struct variable_info): Remove collapsed_to member.
2068 (get_varinfo_fc): Remove.
2069 (new_var_info): Do not set collapsed_to.
2070 (dump_constraint): Do not follow cycles.
2071 (dump_constraint_graph): Likewise.
2072 (build_pred_graph): Likewise.
2073 (build_succ_graph): Likewise.
2074 (rewrite_constraints): Likewise.
2075 (do_simple_structure_copy): Remove.
2076 (do_rhs_deref_structure_copy): Remove.
2077 (do_lhs_deref_structure_copy): Remove.
2078 (collapse_rest_of_var): Remove.
2079 (do_structure_copy): Re-implement.
2080 (pta_stats): New global variable.
2081 (dump_pta_stats): New function.
2082 (struct constraint_expr): Make offset signed.
2083 (UNKNOWN_OFFSET): Define special value.
2084 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2085 (solution_set_expand): New helper function split out from ...
2086 (do_sd_constraint): ... here.
2087 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
2088 (do_ds_constraint): Likewise.
2089 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
2090 and CALLUSED = *CALLUSED.
2091 (set_union_with_increment): Make inc argument signed.
2092 (type_safe): Remove.
2093 (get_constraint_for_ptr_offset): Handle unknown and negative
2095 (first_vi_for_offset): Handle offsets before start. Bail
2096 out early for offsets beyond the variable extent.
2097 (first_or_preceding_vi_for_offset): New function.
2098 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2099 Together with ESCAPED = *ESCAPED this properly computes reachability.
2100 (find_what_var_points_to): New function.
2101 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2102 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2103 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2104 pt_solutions_intersect): New functions.
2105 (compute_call_used_vars): Remove.
2106 (compute_may_aliases): New main entry into PTA computation.
2107 * gimple.h (gimple_p): New typedef.
2108 (struct gimple_statement_base): Remove references_memory_p.
2109 (struct gimple_statement_with_memory_ops_base): Remove
2110 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
2112 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2113 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2114 gimple_set_references_memory): Remove.
2115 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2116 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2118 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2119 (verify_expr): Allow RESULT_DECL.
2120 (gimple_duplicate_bb): Do not copy virtual operands.
2121 (gimple_duplicate_sese_region): Adjust.
2122 (gimple_duplicate_sese_tail): Likewise.
2123 (mark_virtual_ops_in_region): Remove.
2124 (move_sese_region_to_fn): Do not call it.
2125 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2126 and pass_simple_dse.
2127 (execute_function_todo): Handle TODO_update_address_taken,
2128 call execute_update_addresses_taken for TODO_rebuild_alias.
2129 (execute_todo): Adjust.
2130 (execute_one_pass): Init dump files early.
2131 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2133 (create_general_new_stmt): Clear vops.
2134 * tree-ssa-reassoc.c (get_rank): Adjust.
2135 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2136 symbols for renaming.
2137 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2138 (PARAM_AVG_ALIASED_VOPS): Likewise.
2139 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2140 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2141 * tree-ssa-operands.c: Simplify for new virtual operand representation.
2142 (operand_build_cmp, copy_virtual_operands,
2143 create_ssa_artificial_load_stmt, add_to_addressable_set,
2144 gimple_add_to_addresses_taken): Remove public functions.
2145 (unlink_stmt_vdef): New function.
2147 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2149 * config.gcc (powerpc-*-linux*): Merge variants.
2151 2009-04-02 Chao-ying Fu <fu@mips.com>
2152 James Grosbach <james.grosbach@microchip.com>
2154 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2155 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2157 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2158 keep_interrupts_masked_p, use_debug_exception_return_p.
2159 (mips_attribute_table): Add interrupt, use_shadow_register_set,
2160 keep_interrupts_masked, use_debug_exception_return.
2161 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2162 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2164 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2165 (mips_print_operand): Process COP0 registers to print $0 .. $31
2166 correctly for GAS to process.
2167 (mips_interrupt_extra_call_saved_reg_p): New function.
2168 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2170 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2171 (mips_compute_frame_info): Add supports for interrupt context that
2172 includes doubleword accumulators and COP0 registers.
2173 (mips_for_each_saved_acc): New function.
2174 (mips_for_each_saved_gpr_and_fpr): Change the function name from
2175 mips_for_each_saved_reg.
2176 (mips_save_reg): Save accumulators.
2177 (mips_kernel_reg_p): A new for_each_rtx callback.
2178 (mips_expand_prologue): Support interrupt handlers.
2179 (mips_restore_reg): Restore accumulators.
2180 (mips_expand_epilogue): Support interrupt handlers.
2181 (mips_can_use_return_insn): Return false for interrupt handlers.
2182 (mips_epilogue_uses): New function.
2183 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2184 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2185 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2186 cop0_move): New instructions.
2187 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2188 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2190 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2192 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2193 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2194 interrupt handlers, we use K0 as the temporary register.
2195 (EPILOGUE_USES): Change to a function call.
2196 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2197 handlers, we use K0 as the temporary register.
2199 * doc/extend.texi (Function Attributes): Document interrupt,
2200 use_shadow_register_set, keep_interrupts_masked,
2201 use_debug_exception_return for MIPS attributes.
2203 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2205 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2206 Remove a number of t-files from tmake_file.
2207 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2208 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2209 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2210 target_prototype, not TARGET_PROTOTYPE.
2211 (LINK_OS_GNU_SPEC): Define.
2212 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2213 and darwin-ldoubdle.c.
2215 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
2218 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2219 (cpp_options): Ditto.
2220 (default_compilers): Ditto.
2221 (display_help): Ditto.
2222 (process_command): Ditto.
2224 (set_input): Use lbasename instead of duplicate code.
2225 (save_temps_prefix): New static for -save-temps=obj.
2226 (save_temps_length): Ditto.
2228 * doc/invoke.texi (-save-temps=obj): Document new variant to
2231 2009-04-02 Jeff Law <law@redhat.com>
2233 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2236 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2238 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2239 * configure: Regenerated.
2241 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2243 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2244 share the argument list.
2246 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2250 2009-02-12 Diego Novillo <dnovillo@google.com>
2252 * varpool.c (debug_varpool): New.
2253 * cgraph.h (debug_varpool): Declare.
2255 2009-04-02 Jan Hubicka <jh@suse.cz>
2257 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2260 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2262 * config/i386/i386.c (ix86_abi): Move initialization to ...
2263 (override_options): Here.
2265 2009-04-02 Christian Bruel <christian.bruel@st.com>
2267 * config/sh/sh.c (sh_dwarf_register_span): New function.
2268 (TARGET_DWARF_REGISTER_SPAN): Define.
2269 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2271 2009-04-02 Ira Rosen <irar@il.ibm.com>
2273 PR tree-optimization/39595
2274 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
2275 interleaved loads group is not greater than the SLP group size.
2277 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2279 * builtins.c (is_builtin_name): New.
2280 (called_as_built_in): Use is_builtin_name.
2281 * tree.h (is_builtin_name): New.
2282 * varasm.c (incorporeal_function_p): Use is_builtin_name
2284 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
2286 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2288 2009-04-02 Dodji Seketeli <dodji@redhat.com>
2291 * c-decl.c (clone_underlying_type): Move this ...
2292 * c-common.c (set_underlying_type): ... here.
2293 Also, make sure the function properly sets TYPE_STUB_DECL() on
2294 the newly created typedef variant type.
2295 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2296 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2299 2009-04-02 Richard Guenther <rguenther@suse.de>
2301 PR tree-optimization/37221
2302 * tree-flow.h (degenerate_phi_result): Declare.
2303 * tree-ssa-dom.c (degenerate_phi_result): Export.
2304 * tree-scalar-evolution.c (analyze_initial_condition): If
2305 the initial condition is defined by a degenerate PHI node
2306 use the degenerate value.
2308 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
2310 PR rtl-optimization/39588
2311 * combine.c (merge_outer_ops): Do not set the constant when this
2313 (simplify_shift_const_1): Do not modify it either in this case.
2315 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
2317 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2318 tuning is deprecated if -mtune value is set to an Itanium1 variant.
2320 2009-04-01 Janis Johnson <janis187@us.ibm.com>
2323 * c-lex.c (interpret_float): Default (no suffix) is double.
2325 2009-04-1 Xinliang David Li <davidxl@google.com>
2327 * config/i386/i386.c (legitimate_constant_p): Recognize
2328 all one vector constant.
2330 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2332 * gcc/config/vax/vax.c: Add #includes to silence warnings.
2333 Change #include order to silence two warnings.
2335 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2337 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2338 (ASM_SPEC): Pass -k to the assembler for PIC code.
2340 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2342 * gcc/config.gcc: Add vax-*-linux* to the switch.
2343 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2344 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2346 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2348 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2349 Use predicate macros instead of GET_CODE() == foo.
2350 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2351 ashlsi3, rotrsi3, <unnamed>): Likewise.
2353 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2355 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2356 jbbccihi, jbbccisi): Remova trailing whitespace.
2357 * gcc/config/vax/constraints.md: Likewise.
2358 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2359 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2360 * gcc/config/vax/predicates.md: Likewise.
2361 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2362 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2363 * gcc/config/vax/vax.h: Likewise.
2364 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2366 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2368 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2369 (indirectable_address_p, adjacent_operands_p): Add spaces around
2371 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2373 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2375 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2376 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2377 index_term_p, reg_plus_index_p, legitimate_address_p,
2378 vax_mode_dependent_address_p): Update comments to match functions
2379 modified by the recent int->bool conversion.
2381 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2383 * gcc/config/vax/builtins.md: Update copyright message.
2384 * gcc/config/vax/constraints.md: Likewise.
2385 * gcc/config/vax/netbsd-elf.h: Likewise.
2386 * gcc/config/vax/predicates.md: Likewise.
2387 * gcc/config/vax/vax-protos.h: Likewise.
2388 * gcc/config/vax/vax.c: Likewise.
2389 * gcc/config/vax/vax.h: Likewise.
2390 * gcc/config/vax/vax.md: Likewise.
2391 * gcc/config/vax/vax.opt: Likewise.
2393 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2395 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2396 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2397 * gcc/config/vax/constraints.md (B, R): Likewise.
2398 * gcc/config/vax/predicates.md (external_memory_operand,
2399 nonimmediate_addsub_di_operand): Likewise.
2400 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2401 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2402 untyped_call): Likewise.
2404 2009-04-01 Matt Thomas <matt@3am-software.com>
2406 * config/vax/predicates.md: New file.
2407 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2408 external_const_operand, nonsymbolic_operand, external_memory_operand,
2409 indirect_memory_operand, indexed_memory_operand,
2410 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2411 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2413 * config/vax/constraints.md: New file.
2414 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2416 * config/vax/builtins.md: New file.
2417 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2418 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2420 * config/vax/vax.opt (mqmath): Add option.
2421 * config/vax/vax.md (isfx): Extend with DI.
2422 (VAXintQH, VAXintQHSD): Define.
2423 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2424 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2425 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2426 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2427 (movdi): Update constraints and use vax_output_int_move().
2428 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2429 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2430 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2431 nonlocal_goto): New.
2432 (mov<mode>): Extend accepted operand types.
2433 (subdi3_old): Rename from subdi3, change update constraints and use
2434 a new implementation.
2435 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2436 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2437 MOVE_RATIO, CLEAR_RATIO): Define.
2438 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2439 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2440 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2441 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2442 (split_quadword_operands): Make static and really allow variable
2444 (print_operand_address): Update for PIC generation.
2445 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2446 indexable_address_p, fixup_mathdi_operand,
2447 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2448 (vax_float_literal, legitimate_constant_p,
2449 indirectable_constant_address_p, index_term_p,
2450 reg_plus_index_p): Return bool instead of int.
2451 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2453 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2455 (vax_output_conditional_branch): Indent.
2456 (legitimate_constant_address_p, indirectable_constant_address_p,
2457 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2458 vax_mode_dependent_address_p): Return bool instead of int, update for
2460 * config/vax/vax-protos.h (legitimate_constant_address_p,
2461 legitimate_constant_p, legitimate_address_p,
2462 vax_mode_dependent_address_p): Change declaration to bool.
2463 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2464 vax_expand_addsub_di_operands, vax_output_int_subtract,
2465 vax_output_movmemsi): Declare.
2466 (split_quadword_operands, vax_float_literal): Delete declaration.
2467 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2468 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2469 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2470 ASM_OUTPUT_DWARF_PCREL): Define.
2471 (ASM_SPEC): Change definition to allow PIC generation.
2473 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2475 * doc/sourcebuild.texi: Update front-end requirements.
2477 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2480 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2481 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2482 (booldi3_internal3): Use boolean_or_operator instead of
2485 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2488 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2489 declarator whose size is not an integer constant expression but
2490 folds to an integer constant, then treat it as a constant
2493 2009-04-01 Richard Guenther <rguenther@suse.de>
2495 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2496 i * 4 + 2 to (i * 2 + 1) * 2.
2498 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2501 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2502 return if c_parser_asm_string_literal returned NULL.
2504 2009-04-01 Nick Clifton <nickc@redhat.com>
2506 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2508 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2509 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2510 other typedefs to avoid conflicts with libgcc2.c. Define labels
2511 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2513 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2514 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2517 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2519 * varasm.c (default_function_rodata_section): Declare DOT as
2522 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2523 Andrey Galkin <agalkin@hypercom.com>
2526 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2527 Make object_name unique for each process.
2529 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2532 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2533 addressable variables in the parallel that could go out of scope while
2534 running queued tasks.
2536 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2538 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2539 (CASE_VALUES_THRESHOLD): Redefine.
2540 * config/avr/avr.c (avr_override_options): Remove initialization of
2541 avr_case_values_threshold variable.
2542 (avr_case_values_threshold): Remove variable. Add new function.
2543 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2544 * config/avr/avr.opt (mno-tablejump): Remove option.
2545 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2547 2009-04-01 DJ Delorie <dj@redhat.com>
2549 * varasm.c (default_function_rodata_section): Don't assume
2550 anything about where the first '.' in the section name is.
2552 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2554 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2555 rs6000_emit_stack_tie.
2557 2009-03-31 Ian Lance Taylor <iant@google.com>
2559 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2560 gimple_code with GIMPLE_RESX, not RESX.
2562 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2564 * c-common.c (c_get_ident): New.
2565 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2567 2009-04-01 Ben Elliston <bje@au.ibm.com>
2569 * config/rs6000/sysv4.opt (msdata): Improve option description.
2571 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2573 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2574 (divdf3_internal_lat): Remove.
2575 (divxf3_internal_lat): Remove.
2576 (divxf3_internal_thr): Remove.
2577 (divxf): Use divxf3_internal.
2578 * config/ia64/div.md (divsf3_internal_lat): New.
2579 (divdf3_internal_lat): New.
2580 (divxf3_internal): New.
2582 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2585 * Makefile.in (USE_GCC_STDINT): Define.
2586 (stmp-int-hdrs): Install stdint.h if applicable.
2587 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2589 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2590 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2591 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2592 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2593 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2594 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2595 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2596 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2597 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2598 (c_common_nodes_and_builtins): Initialize
2599 underlying_wchar_type_node. Do not initialize
2600 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2601 nodes for new types.
2602 (c_stddef_cpp_builtins): Define macros for new types.
2603 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2605 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2606 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2607 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2608 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2609 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2610 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2611 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2612 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2613 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2614 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2615 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2616 int16_type_node, int32_type_node, int64_type_node,
2617 uint8_type_node, uint16_type_node, c_uint32_type_node,
2618 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2619 int_least32_type_node, int_least64_type_node,
2620 uint_least8_type_node, uint_least16_type_node,
2621 uint_least32_type_node, uint_least64_type_node,
2622 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2623 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2624 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2625 uintptr_type_node): Define.
2626 * c-cppbuiltin.c (builtin_define_constants,
2627 builtin_define_type_minmax): New.
2628 (builtin_define_stdint_macros): Define more macros.
2629 (c_cpp_builtins): Define more limit macros.
2631 (builtin_define_type_max): Define in terms of
2632 builtin_define_type_minmax. Remove is_long parameter. All
2634 * config.gcc (use_gcc_stdint): Define.
2635 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2636 Add newlib-stdint.h for generic targets.
2637 * config/glibc-stdint.h, config/newlib-stdint.h,
2638 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2639 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2640 * config/score/score.h (UINTPTR_TYPE): Define.
2641 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2642 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2643 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2644 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2645 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2646 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2647 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2648 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2649 * config/spu/spu.h (STDINT_LONG32): Define.
2650 * configure.ac (use_gcc_stdint): Substitute.
2651 * configure: Regenerate.
2652 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2653 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2654 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2655 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2656 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2657 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2658 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2659 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2660 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2661 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2662 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2663 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2664 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2665 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2666 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2667 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2668 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2669 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2670 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2671 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2672 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2673 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2674 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2675 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2676 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2677 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2678 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2679 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2680 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2682 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2684 * loop-iv.c (suitable_set_for_replacement): Renamed from
2685 simplify_using_assignment; changed to return bool and to accept new
2686 args DEST and SRC. Return true iff we find a source/destination pair
2687 that can be used to make a replacement, and fill SRC and DEST if so.
2688 Remove arg ALTERED. Don't deal with altered regs here. All callers
2690 (simplify_using_initial_values): Deal with altered regs here and track
2691 more precisely the effect they have on the validity of our expression.
2693 * loop-iv.c (simplify_using_condition): A condition of the form
2694 (EQ REG CONST) can be used to simply make a substitution.
2695 (simplify_using_initial_values): Keep track of conditions we have seen
2696 and keep using them to simplify new expressions, while applying the
2697 same substitutions to them as to the expression.
2699 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2700 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2703 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2704 changed. Use this when trying to improve the upper bound.
2705 Generate the comparison by using simplify_gen_relational.
2707 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2709 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2711 (simplify_using_assignment, simplify_using_initial_values): Call
2712 replace_in_expr to make replacements. Call replace_single_def_regs
2713 once on the initial version of the expression.
2715 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2718 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2720 2009-03-31 Richard Guenther <rguenther@suse.de>
2723 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2724 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2726 2009-03-31 Richard Guenther <rguenther@suse.de>
2728 * tree.h (div_if_zero_remainder): Declare.
2729 * fold-const.c (div_if_zero_remainder): Export.
2730 * tree-ssa-forwprop.c
2731 (forward_propagate_addr_into_variable_array_index): Handle
2732 constant array index addition outside of the variable index.
2734 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2737 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2738 define_splits, floatunssi<mode>2): Require x87 conversions from
2739 DImode to be permitted.
2741 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2743 PR preprocessor/15638
2744 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2746 2009-03-31 Richard Guenther <rguenther@suse.de>
2750 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2751 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2752 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2753 a separate statement.
2754 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2755 (lookup_tmp_var): Likewise.
2756 (is_gimple_formal_tmp_or_call_rhs): Remove.
2757 (is_gimple_reg_or_call_rhs): Rename to ...
2758 (is_gimple_reg_rhs_or_call): ... this.
2759 (is_gimple_mem_or_call_rhs): Rename to ...
2760 (is_gimple_mem_rhs_or_call): ... this.
2761 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2762 DECL_GIMPLE_REG_P only if is_formal is true.
2763 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2764 for non-proper post-modify expression gimplification.
2765 (gimplify_self_mod_expr): For post-modify expressions gimplify
2766 the lvalue to a minimal lvalue.
2767 (rhs_predicate_for): Remove formal temp case.
2768 (gimplify_modify_expr_rhs): Likewise.
2769 (gimplify_addr_expr): Use is_gimple_reg.
2770 (gimplify_expr): Remove formal temp cases.
2771 (gimple_regimplify_operands): Likewise.
2772 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2773 and FILTER_EXPR like constants.
2774 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2776 (is_gimple_formal_tmp_rhs): Remove.
2777 (is_gimple_reg_rhs): Remove special casing.
2778 (is_gimple_mem_rhs): Fix.
2779 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2780 (is_gimple_formal_tmp_var): Remove.
2781 (is_gimple_formal_tmp_reg): Likewise.
2782 (is_gimple_min_lval): Allow invariant component ref parts.
2783 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2784 is_gimple_formal_tmp_reg): Remove declarations.
2785 * tree-cfg.c (verify_expr): Verify that variables with address
2786 taken do not have DECL_GIMPLE_REG_P set.
2787 * tree-mudflap.c (mf_build_check_statement_for): Use
2788 force_gimple_operand instead of gimplify_expr.
2790 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2792 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2793 schedulable rows to compute_split_row.
2795 2009-03-31 Ben Elliston <bje@au.ibm.com>
2798 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2801 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2803 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2804 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2805 * configure: Regenerate.
2806 * config.in: Regenerate.
2807 * config/rs6000/rs6000.opt (mtls-markers): Add.
2808 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2809 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2810 (tls_ld_aix, tls_ld_sysv): Likewise.
2811 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2812 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2814 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2816 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2818 2009-03-30 Jan Hubicka <jh@suse.cz>
2820 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2822 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2823 detection and label handling.
2825 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2827 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2828 left_conflicts_size.
2829 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2830 ALLOCNO_LEFT_CONFLICTS_SIZE.
2832 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2833 remove_allocno_from_bucket_and_push,
2834 allocno_spill_priority_compare, push_allocnos_to_stack,
2835 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2836 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2837 (setup_allocno_left_conflicts_num): Ditto. Rename to
2838 setup_allocno_left_conflicts_size.
2839 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2840 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2841 setup_allocno_left_conflicts_size instead of
2842 setup_allocno_left_conflicts_num.
2844 * ira-build.c (ira_create_allocno): Use
2845 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2846 ALLOCNO_LEFT_CONFLICTS_NUM.
2848 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2850 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2851 instead of DF_LR_OUT.
2853 * ira-lives.c (process_bb_node_lives): Ditto.
2855 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2856 instead of DF_LR_{OUT,IN}.
2858 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2860 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2862 2009-03-30 Jan Hubicka <jh@suse.cz>
2864 * except.c (label_to_region_map): Fix thinko.
2866 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2869 * tree.h (tree_find_value): New declaration.
2870 * tree.c (tree_find_value): New function.
2871 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2873 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2876 * c-decl.c (struct c_binding): Add locus field.
2877 (bind): Add locus argument, set locus field from it.
2878 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2879 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2880 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2881 implicitly_declare, undeclared_variable, lookup_label,
2882 declare_label, c_make_fname_decl, c_builtin_function,
2883 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2886 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2889 * config/i386/i386.c (classify_argument): Check total size of
2892 2009-03-30 Martin Jambor <mjambor@suse.cz>
2894 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2895 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2896 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2899 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2900 seen_variable_array_ref while also traversing a union.
2902 * tree-inline.c (optimize_inline_calls): Do not call
2903 cgraph_node_remove_callees.
2904 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2905 (pass_remove_cgraph_callee_edges): New variable.
2906 * passes.c (init_optimization_passes): Add
2907 pass_remove_cgraph_callee_edges after early inlining and before all
2908 late intraprocedural passes.
2910 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2912 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2914 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2917 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2919 * combine.c (simplify_comparison): Use have_insn_for.
2920 * dojump.c (do_jump): Likewise.
2922 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2924 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2925 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2926 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2927 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2928 instead of sparc_compare_emitted.
2929 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2930 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2931 instead of sparc_compare_emitted.
2933 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2935 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2936 enter/exit cfglayout mode.
2937 (pass_partition_block): Require it.
2938 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2939 (combine_instructions): Track basic blocks instead of labels.
2940 (update_cfg_for_uncondjump): New.
2941 (try_combine): Use it. Update jumps after rescanning.
2942 (pass_combine): Require PROP_cfglayout.
2943 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2945 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2947 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2948 Provide/destroy PROP_cfglayout respectively.
2949 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2950 * tree-pass.h (PROP_cfglayout): New.
2952 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2954 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2955 fold_convert_const_fixed_from_fixed,
2956 fold_convert_const_fixed_from_int,
2957 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2958 set TREE_CONSTANT_OVERFLOW.
2959 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2960 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2962 2009-03-30 Ira Rosen <irar@il.ibm.com>
2964 * tree-vect-loop-manip.c: New file.
2965 * tree-vectorizer.c: Update documentation and included files.
2966 (vect_loop_location): Make extern.
2967 (rename_use_op): Move to tree-vect-loop-manip.c
2968 (rename_variables_in_bb, rename_variables_in_loop,
2969 slpeel_update_phis_for_duplicate_loop,
2970 slpeel_update_phi_nodes_for_guard1,
2971 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2972 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2973 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2974 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2975 find_loop_location): Likewise.
2976 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2977 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2978 get_vectype_for_scalar_type, vect_is_simple_use,
2979 supportable_widening_operation, supportable_narrowing_operation):
2981 (bb_in_loop_p): Move to tree-vect-loop.c.
2982 (new_loop_vec_info, destroy_loop_vec_info,
2983 reduction_code_for_scalar_code, report_vect_op,
2984 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2985 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2986 (vect_supportable_dr_alignment): Likewise.
2987 * tree-vectorizer.h (tree-data-ref.h): Include.
2988 (vect_loop_location): Declare.
2989 Reorganize function declarations according to the new file structure.
2990 * tree-vect-loop.c: New file.
2991 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2992 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2993 * tree-vect-data-refs.c: New file.
2994 * tree-vect-patterns.c (timevar.h): Don't include.
2995 * tree-vect-stmts.c: New file.
2996 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2997 tree-vect-slp.c, tree-vect-loop.c.
2998 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2999 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
3000 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3001 (tree-vect-analyze.o): Remove.
3002 (tree-vect-transform.o): Likewise.
3003 (tree-vect-data-refs.o): Add rule.
3004 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
3005 tree-vect-slp.o): Likewise.
3006 (tree-vect-patterns.o): Remove redundant dependencies.
3007 (tree-vectorizer.o): Likewise.
3008 * tree-vect-slp.c: New file.
3010 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3012 * optc-gen.awk: Warn if an option flag has multiple different
3015 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
3017 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3018 -floop-block): Document dependences on PPL, CLooG and Graphite.
3020 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3022 PR rtl-optimization/323
3023 * c-common.c (c_fully_fold, convert_and_check,
3024 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3025 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3026 * c-common.def (EXCESS_PRECISION_EXPR): New.
3027 * c-cppbuiltin.c (builtin_define_float_constants): Define
3028 constants with enough digits for long double.
3029 * c-lex.c (interpret_float): Interpret constant with excess
3030 precision where appropriate.
3031 * c-opts.c (c_common_post_options): Set
3032 flag_excess_precision_cmdline. Give an error for
3033 -fexcess-precision=standard for C++ for processors where the
3034 option is significant.
3035 * c-parser.c (c_parser_conditional_expression): Handle excess
3036 precision in condition.
3037 * c-typeck.c (convert_arguments): Handle arguments with excess
3039 (build_unary_op): Move excess precision outside operation.
3040 (build_conditional_expr): Likewise.
3041 (build_compound_expr): Likewise.
3042 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3043 (build_modify_expr): Handle excess precision in RHS.
3044 (convert_for_assignment): Handle excess precision in converted
3046 (digest_init, output_init_element, process_init_element): Handle
3047 excess precision in initializer.
3048 (c_finish_return): Handle excess precision in return value.
3049 (build_binary_op): Handle excess precision in operands and add
3050 excess precision as needed for operation.
3051 * common.opt (-fexcess-precision=): New option.
3052 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3053 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3054 For standard excess precision, output explicit conversion to and
3055 truncation from XFmode.
3056 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3057 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3058 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3059 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3060 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3061 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3062 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3063 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3064 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3065 define_splits, sqrt<mode>2): Disable where appropriate for
3066 standard excess precision.
3067 * convert.c (convert_to_real): Do not shorten arithmetic to type
3068 for which excess precision would be used.
3069 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3070 * doc/invoke.texi (-fexcess-precision=): Document option.
3071 (-mfpmath=): Correct index entry.
3072 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3073 flag_excess_precision): New.
3074 * langhooks.c (lhd_post_options): Set
3075 flag_excess_precision_cmdline.
3076 * opts.c (common_handle_option): Handle -fexcess-precision=.
3077 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3078 init_excess_precision): New.
3079 (lang_dependent_init_target): Call init_excess_precision.
3080 * tree.c (excess_precision_type): New.
3081 * tree.h (excess_precision_type): Declare.
3083 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3086 * c-typeck.c (build_component_ref): Do not copy qualifiers from
3087 non-lvalue to component.
3089 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3091 PR preprocessor/34695
3092 * Makefile.in (c-opts.o): Depend on c-tree.h.
3093 * c-common.c: Move down include of diagnostic.h.
3094 (done_lexing, c_cpp_error): New.
3095 * c-common.h (done_lexing): Declare.
3096 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3098 * c-opts.c: Include c-tree.h.
3099 (c_common_init_options): Set preprocessor error callback.
3100 (c_common_handle_option): Do not set preprocessor
3101 inhibit_warnings, warnings_are_errors, warn_system_headers,
3102 pedantic_errors or inhibit_warnings flags.
3103 (c_common_post_options): Do not check cpp_errors (parse_in).
3104 (c_common_finish): Do not output dependencies if there were
3105 errors. Do not check return value of cpp_finish.
3106 * c-ppoutput.c (pp_file_change): Set input_location.
3107 * c-tree.h (c_cpp_error): Declare.
3108 * diagnostic.c (diagnostic_set_info_translated): Also initialize
3110 (diagnostic_build_prefix): Check override_column.
3111 * diagnostic.h (diagnostic_info): Add override_column field.
3112 (diagnostic_override_column): Define.
3114 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
3116 * c-common.c (c_expand_expr, c_staticp): Remove.
3117 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3118 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3119 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3120 * c-gimplify.c (gimplify_compound_literal_expr,
3121 optimize_compound_literals_in_ctor): Remove.
3122 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3123 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3124 * c-semantics.c (emit_local_var): Remove.
3126 * langhooks-def.h (lhd_expand_expr): Remove.
3127 * langhooks.c (lhd_expand_expr): Remove.
3128 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3130 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3131 handling from c-semantics.c; don't call into langhook.
3132 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3133 * gimplify.c (gimplify_compound_literal_expr,
3134 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3135 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3136 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3137 as was done in c-gimplify.c.
3138 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3139 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3140 Move from c-common.h.
3141 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3143 * tree.c (staticp): Do not call langhook.
3144 * langhooks.c (lhd_staticp): Delete.
3145 * langhooks-def.h (lhd_staticp): Delete prototype.
3146 (LANG_HOOKS_STATICP): Delete.
3147 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3149 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3150 instead of DECL_STMTs.
3152 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3160 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3162 (fold_call_expr): Return a NOP_EXPR from folding rather than the
3163 contained expression.
3164 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3165 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
3166 conditional expressions for C.
3167 (decl_constant_value_for_optimization): Move from
3168 decl_constant_value_for_broken_optimization in c-typeck.c. Check
3169 whether optimizing and that the expression is a VAR_DECL not of
3170 array type instead of doing such checks in the caller. Do not
3171 check pedantic. Call gcc_unreachable for C++.
3172 * c-common.def (C_MAYBE_CONST_EXPR): New.
3173 * c-common.h (c_fully_fold, c_save_expr,
3174 decl_constant_value_for_optimization): New prototypes.
3175 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3176 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3177 EXPR_INT_CONST_OPERANDS): Define.
3178 * c-convert.c (convert): Strip nops from expression.
3179 * c-decl.c (groktypename): Take extra parameters expr and
3180 expr_const_operands. Update call to grokdeclarator.
3181 (start_decl): Update call to grokdeclarator. Add statement for
3182 expressions used in type of decl.
3183 (grokparm): Update call to grokdeclarator.
3184 (push_parm_decl): Update call to grokdeclarator.
3185 (build_compound_literal): Add parameter non_const and build a
3186 C_MAYBE_COSNT_EXPR if applicable.
3187 (grokdeclarator): Take extra parameters expr and
3188 expr_const_operands. Track expressions used in declaration
3189 specifiers and declarators. Fold array sizes and track whether
3190 they are constant expressions and whether they are integer
3191 constant expressions.
3192 (parser_xref_tag): Set expr and expr_const_operands fields in
3194 (grokfield): Update call to grokdeclarator.
3195 (start_function): Update call to grokdeclarator.
3196 (build_null_declspecs): Set expr and expr_const_operands fields in
3198 (declspecs_add_type): Handle expressions in typeof specifiers.
3199 * c-parser.c (c_parser_declspecs): Set expr and
3200 expr_const_operands fields for declaration specifiers.
3201 (c_parser_enum_specifier): Likewise.
3202 (c_parser_struct_or_union_specifier): Likewise.
3203 (c_parser_typeof_specifier): Likewise. Update call to
3204 groktypename. Fold expression as needed. Return expressions with
3205 type instead of adding statements.
3206 (c_parser_attributes): Update calls to c_parser_expr_list.
3207 (c_parser_statement_after_labels): Fold expression before passing
3208 to objc_build_throw_stmt.
3209 (c_parser_condition): Fold expression.
3210 (c_parser_asm_operands): Fold expression.
3211 (c_parser_conditional_expression): Use c_save_expr. Update call
3212 to build_conditional_expr.
3213 (c_parser_alignof_expression): Update call to groktypename.
3214 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3215 original_code. Fold expression argument of va_arg. Create
3216 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3217 argument to va_arg. Update calls to groktypename. Fold array
3218 index for offsetof. Verify that first argument to
3219 __builtin_choose_expr has integer type.
3220 (c_parser_postfix_expression_after_paren_type): Update calls to
3221 groktypename and build_compound_literal. Handle expressions with
3222 side effects in type name.
3223 (c_parser_postfix_expression_after_primary): Update call to
3224 c_parser_expr_list. Set original_code for calls to
3225 __builtin_constant_p.
3226 (c_parser_expr_list): Take extra parameter fold_p. Fold
3227 expressions if requested.
3228 (c_parser_objc_type_name): Update call to groktypename.
3229 (c_parser_objc_synchronized_statement): Fold expression.
3230 (c_parser_objc_receiver): Fold expression.
3231 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3232 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3233 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3234 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3235 (struct c_typespec): Add elements expr and expr_const_operands.
3236 (struct c_declspecs): Add elements expr and expr_const_operands.
3237 (groktypename, build_conditional_expr, build_compound_literal):
3239 (in_late_binary_op): Declare.
3240 * c-typeck.c (note_integer_operands): New function.
3241 (in_late_binary_op): New variable.
3242 (decl_constant_value_for_broken_optimization): Move to c-common.c
3243 and rename to decl_constant_value_for_optimization.
3244 (default_function_array_conversion): Do not strip nops.
3245 (default_conversion): Do not call
3246 decl_constant_value_for_broken_optimization.
3247 (build_array_ref): Do not fold result.
3248 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
3249 result when operand is a VLA.
3250 (c_expr_sizeof_type): Update call to groktypename. Handle
3251 expressions included in type name. Use C_MAYBE_CONST_EXPR for
3252 result when operand names a VLA type.
3253 (build_function_call): Update call to build_compound_literal.
3254 Only fold result for calls to __builtin_* functions. Strip
3255 NOP_EXPR from INTEGER_CST returned from such functions. Fold
3256 the function designator.
3257 (convert_arguments): Fold arguments. Update call to
3258 convert_for_assignment.
3259 (build_unary_op): Handle increment and decrement of
3260 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
3261 decrement earlier. Fold operand of increment and decrement.
3262 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
3263 built for integer operand. Wrap returns that are INTEGER_CSTs
3264 without being integer constant expressions or that have integer
3265 constant operands without being INTEGER_CSTs.
3266 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3267 (build_conditional_expr): Add operand ifexp_bcp. Track whether
3268 result is an integer constant expression or can be used in
3269 unevaluated parts of one and avoid folding and wrap as
3270 appropriate. Fold operands before possibly doing -Wsign-compare
3272 (build_compound_expr): Wrap result for C99 if operands can be used
3273 in integer constant expressions.
3274 (build_c_cast): Update call to digest_init. Do not ignore
3275 overflow from casting floating-point constants to integers. Wrap
3276 results that could be confused with integer constant expressions,
3277 null pointer constants or floating-point constants.
3278 (c_cast_expr): Update call to groktypename. Handle expressions
3279 included in type name.
3280 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
3281 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
3282 Update calls to convert_for_assignment.
3283 (convert_for_assignment): Take new parameter
3284 null_pointer_constant. Do not strip nops or call
3285 decl_constant_value_for_broken_optimization. Set
3286 in_late_binary_op for conversions to boolean.
3287 (store_init_value): Update call to digest_init.
3288 (digest_init): Take new parameter null_pointer_constant. Do not
3289 call decl_constant_value_for_broken_optimization. pedwarn for
3290 initializers not constant expressions. Update calls to
3291 convert_for_assignment.
3292 (constructor_nonconst): New.
3293 (struct constructor_stack): Add nonconst element.
3294 (really_start_incremental_init, push_init_level, pop_init_level):
3295 Handle constructor_nonconst and nonconst element.
3296 (set_init_index): Call constant_expression_warning for array
3298 (output_init_element): Fold value. Set constructor_nonconst as
3299 applicable. pedwarn for initializers not constant expressions.
3300 Update call to digest_init. Call constant_expression_warning
3301 where constant initializers are required.
3302 (process_init_element): Use c_save_expr.
3303 (c_finish_goto_ptr): Fold expression.
3304 (c_finish_return): Fold return value. Update call to
3305 convert_for_assignment.
3306 (c_start_case): Fold switch expression.
3307 (c_process_expr_stmt): Fold expression.
3308 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3309 ensure statement expression is not evaluated in constant expression.
3310 (build_binary_op): Track whether results are integer constant
3311 expressions or may occur in such, disable folding and wrap results
3312 as applicable. Fold operands for -Wsign-compare warnings unless
3314 (c_objc_common_truthvalue_conversion): Handle results folded to
3315 integer constants that are not integer constant expressions.
3316 * doc/extend.texi: Document when typeof operands are evaluated,
3317 that condition of __builtin_choose_expr is an integer constant
3318 expression, and more about use of __builtin_constant_p in
3321 2009-03-29 Richard Guenther <rguenther@suse.de>
3323 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3324 propagate addresses of array references.
3326 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
3328 * regmove.c (perhaps_ends_bb_p): Remove.
3329 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
3330 from INSN and check that the main loop stays within that basic block.
3331 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3332 (regmove_forward_pass): Split out from regmove_optimize. Use
3333 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3334 (regmove_backward_pass): Split out from regmove_optimize. Use
3335 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3336 (regmove_optimize): Simplify.
3338 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3341 * config/i386/i386.c (classify_argument): Ignore flexible array
3342 member in struct and warn ABI change.
3344 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3346 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3348 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3349 (ix86_adjust_cost): Updated.
3351 2009-03-29 Jan Hubicka <jh@suse.cz>
3354 * tree-pass.h (pass_cleanup_eh): New function.
3355 (remove_unreachable_regions): Break code handling RTL
3356 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3357 that can not be reached by runtime.
3358 (can_be_reached_by_runtime): New function.
3359 (label_to_region_map): New function.
3360 (num_eh_regions): New function.
3361 (rtl_remove_unreachable_regions): New function.
3362 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3363 (remove_eh_region): New function.
3364 * except.h: Include sbitmap and vecprim.
3365 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3366 num_eh_regions): Declare.
3367 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3368 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3369 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3370 (tree_empty_eh_handler_p): New function.
3371 (cleanup_empty_eh): New function.
3372 (cleanup_eh): New function.
3373 (pass_cleanup_eh): New function.
3375 2009-03-29 Jan Hubicka <jh@suse.cz>
3377 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3378 for removed regions.
3380 2009-03-29 Jan Hubicka <jh@suse.cz>
3382 * except.c (dump_eh_tree): Dump all datastructures.
3384 2009-03-29 Jan Hubicka <jh@suse.cz>
3386 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3387 (duplicate_eh_regions_1): Likewise.
3388 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3389 vector; call EH verification.
3390 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3391 Be ready for region being removed.
3393 2009-03-29 Jan Hubicka <jh@suse.cz>
3395 * bitmap.c (bitmap_last_set_bit): New function.
3396 * bitmap.h (bitmap_last_set_bit): Declare.
3398 2009-03-29 David Ayers <ayers@fsfe.org>
3401 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3402 by calling objc_compare_types and surpress warnings about
3403 incompatible C pointers that are compatible ObjC pointers.
3405 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3407 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3408 call initialize_inline_failed.
3409 (initialize_inline_failed): Move it from here ...
3410 * cgraph.c (initialize_inline_failed): ... to here.
3411 (cgraph_create_edge): Call initialize_inline_failed rather than
3412 setting inline_failed directly.
3414 2009-03-29 Ben Elliston <bje@au.ibm.com>
3417 * sysv4.opt (msdata): Improve comment.
3418 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3419 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3421 2009-03-29 Ben Elliston <bje@au.ibm.com>
3424 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3425 load and store attributes.
3427 2009-03-29 Ben Elliston <bje@au.ibm.com>
3429 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3430 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3431 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3432 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3433 __builtin_infq and __builtin_huge_valq.
3435 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3437 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3439 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3440 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3442 2009-03-28 Xinliang David Li <davidxl@google.com>
3444 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3445 (do_dbg_cnt): New function.
3447 2009-03-28 Jan Hubicka <jh@suse.cz>
3449 Merge from pretty-ipa:
3451 2009-03-27 Jan Hubicka <jh@suse.cz>
3453 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3454 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3455 * passes.c (function_called_by_processed_nodes_p): New.
3456 * ipa-pure-const.c (check_call): Fix handling of operands.
3457 (analyze_function): Dump debug output for skipped bodies.
3458 (local_pure_const): Use function_called_by_processed_nodes_p.
3459 * dwarf2out.c (reference_to_unused): Use output.
3460 * passes.c (do_per_function_toporder): Likewise.
3462 2008-11-12 Jan Hubicka <jh@suse.cz>
3464 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3465 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3466 state_set_in_source enum
3467 (check_decl): Ignore memory tags; do not set fake looping flags;
3469 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3470 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3471 (check_call, analyze_function): Rewrite.
3473 (add_new_function): Update call of analyze_function.
3474 (generate_summary): Add call of analyze_function.
3475 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3476 (local_pure_const): New function.
3477 (pass_local_pure_const): New pass.
3478 * ipa-inline.c (inline_transform): Set after_inlining.
3479 * tree-eh.c (stmt_can_throw_external): New.
3480 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3481 work with aliasing built.
3482 * tree-flow.h (stmt_can_throw_external): New.
3483 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3484 and local pure/const pass in early and late optimization queue.
3486 2009-03-28 Martin Jambor <mjambor@suse.cz>
3488 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3490 (fold_binary): Allow function decl aligment consideration is the
3491 second argument is integer constant one.
3492 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3493 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3494 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3496 2009-03-28 Jan Hubicka <jh@suse.cz>
3498 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3499 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3500 * function.h (rtl_data): Add nothrow flag.
3501 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3502 set DECL_NOTHROW for AVAILABLE functions.
3504 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3506 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3507 following vector keyword has expansion starting with pixel or bool
3508 keyword, expand vector to __vector and pixel or bool to __pixel or
3512 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3513 warn_if_disallowed_function_p): Removed.
3514 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3515 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3516 warning_if_disallowed_function_p.
3517 * flags.h (warn_if_disallowed_function_p,
3518 warn_disallowed_functions): Removed.
3519 * common.opt (Wdisallowed-function-list=): Removed.
3520 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3522 2009-03-28 Richard Guenther <rguenther@suse.de>
3524 PR tree-optimization/38723
3525 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3528 2009-03-28 Jan Hubicka <jh@suse.cz>
3530 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3531 test introduced by my previous patch.
3533 2009-03-28 Richard Guenther <rguenther@suse.de>
3535 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3536 the PHIs value undefined.
3538 2009-03-28 Jan Hubicka <jh@suse.cz>
3540 * tree-pass.h (pass_fixup_cfg): New pass.
3541 * ipa-inline.c (inline_transform): Set
3542 always_inline_functions_inlined/after_inlining.
3543 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3544 (pass_fixup_cfg): New pass.
3545 * passes.c (init_optimization_passes): Add fixup_cfg.
3547 2009-03-28 Richard Guenther <rguenther@suse.de>
3549 PR tree-optimization/38458
3550 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3551 argument use the arguments copy-of value.
3553 2009-03-28 Richard Guenther <rguenther@suse.de>
3555 PR tree-optimization/38180
3556 * tree-ssa-ccp.c (get_default_value): Simplify.
3557 (likely_value): Likewise.
3558 (surely_varying_stmt_p): Properly handle VOP case.
3559 (ccp_initialize): Likewise.
3560 (ccp_fold): Handle propagating through *&.
3561 (fold_const_aggregate_ref): Also handle decls.
3563 2009-03-28 Jan Hubicka <jh@suse.cz>
3565 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3566 * cgraph.h (cgraph_node): Likewise.
3567 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3568 (cgraph_reset_node): Use process flag.
3569 (cgraph_mark_functions_to_output): Likewise.
3570 (cgraph_expand_function): Likewise.
3571 (cgraph_expand_all_functions): Likewise.
3572 (cgraph_output_in_order): Likewise.
3573 * dwarf2out.c (reference_to_unused): Likewise.
3574 * passes.c do_per_function_toporder): Likewise.
3576 2009-03-28 Jan Hubicka <jh@suse.cz>
3578 Bring from lto-branch:
3580 2008-09-03 Doug Kwan <dougkwan@google.com>
3582 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3583 enums instead of reason strings.
3584 * cgraph.c (cgraph_create_edge): Same.
3585 (cgraph_inline_failed_string): New function.
3586 * cgraph.h (cgraph_inline_failed_t): New enum type.
3587 (cgraph_inline_failed_string): New prototype.
3588 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3589 char pointer to cgraph_inline_failed_t.
3590 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3591 (cgraph_default_inline_p): Ditto.
3592 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3593 to cgraph_inline_failed_t pointer.
3594 * cif-code.def: New file.
3595 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3597 (cgraph_check_inline_limits): Change type of REASON to pointer to
3598 cgraph_inline_failed_t. Replace reason strings with enums.
3599 (cgraph_default_inline_p): Ditto.
3600 (cgraph_recursive_inlining_p): Ditto.
3601 (update_caller_keys): Change type of FAILED_REASON to
3602 cgraph_inline_failed_t.
3603 (cgraph_set_inline_failed): Change type of REASON to pointer to
3604 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3605 convert enums to strings for text output.
3606 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3607 to be of type cgraph_inline_failed_t. Replace reason strings with
3608 enums. Call cgraph_inline_failed_string to covert enums
3609 to strings for text output.
3610 (cgraph_decide_inlining): Replace reason strings with enums.
3611 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3612 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3614 * tree-inline.c (expand_call_inline): Change type of REASON
3615 to cgraph_inline_failed_t. Replace reason strings with enums.
3616 Call cgraph_inline_failed_string for text output.
3617 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3620 2009-03-28 Jan Hubicka <jh@suse.cz>
3622 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3623 cgraph_clone_node): Remove master clone handling.
3624 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3625 * cgraph.h (master_clone): Remove.
3626 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3627 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3628 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3630 2009-03-28 Jan Hubicka <jh@suse.cz>
3632 * cgraph.c (cgraph_function_body_availability): Functions declared
3633 inline are always safe to assume that it is not going to be replaced.
3635 2009-03-28 Richard Guenther <rguenther@suse.de>
3637 PR tree-optimization/38513
3638 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3639 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3640 EXC_PTR_EXPR and FILTER_EXPR.
3641 (get_ref_from_reference_ops): Likewise.
3643 2009-03-28 Richard Guenther <rguenther@suse.de>
3645 PR tree-optimization/38968
3646 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3647 Use FLOOR_MOD_EXPR to compute misalignment.
3649 2009-03-28 Richard Guenther <rguenther@suse.de>
3651 PR tree-optimization/37795
3652 * tree.h (combine_comparisons): Declare.
3653 * fold-const.c (combine_comparisons): Export.
3654 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3656 (ifcombine_iforif): Use combine_comparisons.
3658 2009-03-28 Jan Hubicka <jh@suse.cz>
3660 * tree-eh.c (inlinable_call_p): New function.
3661 (make_eh_edges): Use it.
3662 (verify_eh_edges): Use it.
3663 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3664 * except.c (reachable_next_level): Add inlinable_function argument
3665 (sjlj_find_directly_reachable_regions): Update.
3666 (add_reachable_handler): Do not set saw_any_handlers.
3667 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3668 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3669 Add new inlinable call parameter.
3670 (can_throw_internal, can_throw_external): Update.
3671 * except.h (can_throw_internal_1, can_throw_external_1,
3672 foreach_reachable_handler): Update declaration.
3674 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3676 * config/arm/t-arm-coff, config/h8300/coff.h,
3677 config/i386/i386-aout.h, config/i386/i386-coff.h,
3678 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3679 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3680 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3681 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3682 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3683 sys-types.h: Remove.
3684 * Makefile.in: Remove protoize and fixproto support and references
3686 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3687 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3689 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3690 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3691 unprotoize$(exeext).
3692 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3693 (.PHONY): Don't depend on proto.
3694 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3695 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3696 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3697 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3698 build/gen-protos.o, build/scan.o, xsys-protos.h,
3699 build/fix-header$(build_exeext), build/fix-header.o,
3700 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3701 stmp-install-fixproto): Remove.
3702 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3703 SYSCALLS.c or fixproto files.
3704 (install-common): Don't install protoize.
3705 (install-headers-tar, install-headers-cpio, install-headers-cp):
3706 Don't depend on $(STMP_FIXPROTO).
3707 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3708 install fixproto files or write out fixproto settings.
3709 (uninstall): Don't uninstall protoize.
3710 * config.gcc (use_fixproto): Remove.
3711 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3712 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3713 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3714 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3715 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3716 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3717 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3718 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3719 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3720 * config/t-vxworks (STMP_FIXPROTO): Remove.
3721 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3722 STMP_FIXPROTO): Remove.
3723 * config.in, configure: Regenerate.
3724 * crtstuff.c (gid_t, uid_t): Don't undefine.
3725 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3726 (arm-*-coff, arm-*-aout: Remove target entries.
3727 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3728 Remove mention of AIX 4.1.
3729 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3730 * doc/invoke.texi (Running Protoize): Remove.
3731 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3732 (Protoize Caveats): Remove.
3733 * tsystem.h: Update comments on headers assumed to exist.
3735 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3737 * genautomata.c: Add a new year to the copyright. Add a new
3739 (struct insn_reserv_decl): Add comments for member bypass_list.
3740 (find_bypass): Remove.
3741 (insert_bypass): New.
3742 (process_decls): Use insert_bypass.
3743 (output_internal_insn_latency_func): Output all bypasses with the
3744 same input insn in one switch case.
3746 * rtl.def (define_bypass): Describe bypass choice.
3747 * doc/md.texi (define_bypass): Ditto.
3749 2009-03-27 Richard Guenther <rguenther@suse.de>
3751 * gimplify.c (mark_addressable): Export.
3752 * tree-flow.h (mark_addressable): Declare.
3753 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3754 * tree-ssa.c (verify_phi_args): Verify that address taken
3755 variables have TREE_ADDRESSABLE set.
3757 2009-03-27 Richard Guenther <rguenther@suse.de>
3759 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3760 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3761 Do not mark decls TREE_ADDRESSABLE.
3762 (build_fold_addr_expr): Adjust.
3763 (fold_addr_expr): Remove.
3764 (fold_unary): Use build_fold_addr_expr.
3765 (fold_comparison): Likewise.
3766 (split_address_to_core_and_offset): Likewise.
3767 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3769 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3770 (gimplify_modify_expr_to_memcpy): Mark source and destination
3772 * omp-low.c (create_omp_child_function): Mark the object decl
3774 (lower_rec_input_clauses): Mark the var we take the address of
3776 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3778 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3781 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3782 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3784 2009-03-27 Richard Guenther <rguenther@suse.de>
3786 PR tree-optimization/39120
3787 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3789 (handle_lhs_call): Process return constraints. Add escape
3790 constraints if necessary.
3791 (handle_const_call): Fill out return constraints. Make nested
3792 case more precise. Avoid consttmp if possible.
3793 (handle_pure_call): Fill out return constraints. Avoid
3794 callused if possible.
3795 (find_func_aliases): Simplify call handling.
3797 2009-03-27 Richard Guenther <rguenther@suse.de>
3799 PR tree-optimization/39120
3800 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3801 as a representative.
3802 (solve_graph): Do propagate CALLUSED.
3803 (handle_pure_call): Use a scalar constraint from CALLUSED for
3805 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3808 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3811 * c-common.c (handle_aligned_attribute): Properly check alignment
3812 overflow. Use (1U << i) instead of (1 << i).
3814 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3816 * expr.h (get_mem_align_offset): Updated.
3818 * tree.h (tree_decl_common): Change align to "unsigned int" and
3819 move it before pointer_alias_set.
3821 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3822 Jakub Jelinek <jakub@redhat.com>
3825 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3826 gr_register_operand with gr_reg_or_0_operand.
3827 (cmpxchg_rel_di): Likewise.
3828 (sync_lock_test_and_set<mode>): Likewise.
3830 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3832 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3833 (true_regnum): Likewise.
3835 * rtlanal.c (subreg_info): Moved to ...
3836 * rtl.h (subreg_info): Here. New.
3837 (subreg_get_info): New.
3839 * rtlanal.c (subreg_get_info): Make it extern.
3841 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3844 * config/i386/i386.c (ix86_abi): New.
3845 (override_options): Handle -mabi=.
3846 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3847 (ix86_call_abi_override): Likewise.
3848 (init_cumulative_args): Likewise.
3849 (function_arg_advance): Likewise.
3850 (function_arg_64): Likewise.
3851 (function_arg): Likewise.
3852 (ix86_pass_by_reference): Likewise.
3853 (ix86_function_value_regno_p): Likewise.
3854 (ix86_build_builtin_va_list_abi): Likewise.
3855 (setup_incoming_varargs_64): Likewise.
3856 (is_va_list_char_pointer): Likewise.
3857 (ix86_init_machine_status): Likewise.
3858 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3859 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3860 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3861 (ix86_function_abi): Make it static and return enum calling_abi.
3862 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3864 (ix86_fn_abi_va_list): Updated.
3866 * config/i386/i386.h (ix86_abi): New.
3867 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3868 (CONDITIONAL_REGISTER_USAGE): Likewise.
3869 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3870 (machine_function): Likewise.
3872 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3874 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3875 (STACK_BOUNDARY): Likewise.
3876 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3878 * config/i386/i386.opt (mabi=): New.
3880 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3881 return enum calling_abi.
3882 (ix86_function_type_abi): Likewise.
3883 (ix86_function_abi): Removed.
3885 * doc/invoke.texi: Document -mabi= option for x86.
3887 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3889 * builtins.c (real_dconstp): Delete.
3890 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3892 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3893 Jakub Jelinek <jakub@redhat.com>
3896 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3897 (gen_subprogram_die): When a function is explicit, generate the
3898 DW_AT_explicit attribute.
3899 * langhooks.h (struct lang_hooks_for_decls): Add
3900 function_decl_explicit_p langhook.
3901 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3902 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3904 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3906 * builtins.c (fold_builtin_memory_op): Optimize memmove
3907 into memcpy if we can prove source and destination don't overlap.
3909 * tree-inline.c: Include gt-tree-inline.h.
3910 (clone_fn_id_num): New variable.
3911 (clone_function_name): New function.
3912 (tree_function_versioning): Use it.
3913 * Makefile.in (GTFILES): Add tree-inline.c.
3915 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3917 * BASE-VER: Change to 4.5.0.
3919 2009-03-27 Xinliang David Li <davidxl@google.com>
3921 PR tree-optimization/39557
3922 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3924 2009-03-27 Xinliang David Li <davidxl@google.com>
3926 PR tree-optimization/39548
3927 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3930 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3932 * c-common.c (pointer_int_sum): Use %wd on return from
3935 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3937 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3938 on return from tree_low_cst.
3940 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3943 * ginclude/stdarg.h (va_copy): Define also for
3944 __GXX_EXPERIMENTAL_CXX0X__.
3946 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3949 * builtins.h (c_strlen): Do not warn here.
3950 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3951 * c-common.c (pointer_int_sum): Take an explicit location.
3952 Warn about offsets out of bounds.
3953 * c-common.h (pointer_int_sum): Adjust declaration.
3955 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3957 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3960 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3963 * opts.c (warn_if_disallowed_function_p): Don't assume
3964 get_callee_fndecl must return non-NULL.
3966 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3968 PR rtl-optimization/39522
3969 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3970 when reg_reloaded_valid is set.
3972 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3974 * config/spu/divv2df3.c: New file.
3975 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3976 (DPBIT_FUNCS): Filter out _div_df.
3978 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3980 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3981 a jump insn, count that jump in the distance to the loop start.
3983 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
3986 * config/sh/sh.c (calc_live_regs): Fix condition for global
3987 registers except PIC_OFFSET_TABLE_REGNUM.
3989 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
3992 * doc/invoke.texi (-mconsole): New.
3996 (-mnop-fun-dllimport): New.
4000 (sub section "i386 and x86-64 Windows Options"): New.
4002 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
4004 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4005 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4007 2009-03-25 Richard Guenther <rguenther@suse.de>
4010 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4013 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
4015 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4016 neither of haifa/selective schedulers are working.
4018 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4020 * doc/invoke.texi (Debugging Options): Fix description of
4021 -fno-merge-debug-strings.
4023 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
4025 * config/cris/libgcc.ver: New version-script.
4026 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4028 * configure.ac <GAS features, nop mnemonic>: Add pattern
4029 crisv32-*-* for "nop".
4030 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4031 * configure: Regenerate.
4033 2009-03-24 Ira Rosen <irar@il.ibm.com>
4035 PR tree-optimization/39529
4036 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4037 mark_sym_for_renaming for the tag copied to the new vector
4040 2009-03-24 Arthur Loiret <aloiret@debian.org>
4042 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4043 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4044 EXTRA_SPEC_FUNCTIONS.
4045 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4046 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4047 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4048 -march and -mtune options.
4050 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
4052 * config/m68k/t-rtems: Add m5329 multilib.
4054 2009-03-24 Dodji Seketeli <dodji@redhat.com>
4055 Jakub Jelinek <jakub@redhat.com>
4058 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4061 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4064 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4065 instead of c_parser_expression_conv, if original_code isn't one of the
4066 4 allowed comparison codes, fail.
4068 2009-03-23 Richard Guenther <rguenther@suse.de>
4070 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4071 * tree.h (struct tree_type): Likewise.
4072 * reload.h (struct insn_chain): Likewise.
4073 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4074 * function.h (struct function): Likewise.
4075 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4077 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4079 PR tree-optimization/39516
4080 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4082 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
4084 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
4085 should be set true if BITS_PER_WORD of target is bigger than 32
4087 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
4089 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4090 Translate -B-options to -rpath-link. Correct existing
4091 rpath-link and conditionalize on !nostdlib.
4093 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4095 * doc/extend.texi (Function Attributes, Variable Attributes):
4097 * doc/invoke.texi (Debugging Options, Optimize Options)
4098 (i386 and x86-64 Options, MCore Options): Likewise.
4100 2009-03-20 Jakub Jelinek <jakub@redhat.com>
4103 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4104 it for block local namespace aliases.
4105 (gen_decl_die): Pass context_die to gen_namespace_die.
4107 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4110 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4111 minimum or maximum value.
4113 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
4115 * reginfo.c (globalize_reg): Recompute derived reg sets.
4117 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
4120 * libgcc2.c (mprotect): Do not use signed arguments for
4121 VirtualProtect, use DWORD arguments. Also fix the 'may
4122 be used uninitialized' warning for the np variable.
4124 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4127 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4128 functions using regparm calling conventions when not optimizing.
4129 (ix86_function_sseregparm): Similarly for sseregparm calling
4132 2009-03-19 Li Feng <nemokingdom@gmail.com>
4135 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4136 dependence if the first conflict is after niter iterations.
4138 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
4141 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4142 functions with dynamic stack-pointer adjustments.
4144 2009-03-19 Ben Elliston <bje@au.ibm.com>
4146 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4147 option; change to -msdata=data.
4149 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4151 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4154 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
4157 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4159 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
4161 * doc/invoke.texi (Code Gen Options): Expand discussion of
4164 2009-03-18 Jakub Jelinek <jakub@redhat.com>
4166 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4167 * matrix-reorg.c (struct matrix_info): Likewise.
4168 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4169 * rtl.h (struct mem_attrs): Likewise.
4170 * df.h (struct df): Likewise.
4171 * tree-data-ref.h (struct data_dependence_relation): Likewise.
4172 * ira-int.h (struct ira_allocno): Likewise.
4173 * df-scan.c (struct df_collection_rec): Likewise.
4174 * ira.c (struct equivalence): Likewise.
4175 * function.c (struct temp_slot): Likewise.
4176 * cfgloop.h (struct loop): Likewise.
4179 * function.c (use_register_for_decl): When not optimizing, disregard
4180 register keyword for variables with types containing methods.
4182 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
4185 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4186 (is_simple_operand): Call contains_component_ref_p before calling data
4187 reference analysis that would fail on COMPONENT_REFs.
4189 * tree-vrp.c (search_for_addr_array): Fix formatting.
4191 2009-03-18 Richard Guenther <rguenther@suse.de>
4193 * tree-vect-transform.c (vect_loop_versioning): Fold the
4194 generated comparisons.
4195 * tree-vectorizer.c (set_prologue_iterations): Likewise.
4196 (slpeel_tree_peel_loop_to_edge): Likewise.
4198 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4201 * opts.c (print_specific_help): In addition to `undocumented',
4202 accept `separate' and `joined' flags if passed alone. Describe
4203 output by the first matched one of those.
4204 (common_handle_option): Skip over empty strings.
4205 * gcc.c (display_help): Fix help string for `--help='.
4206 * doc/invoke.texi (Option Summary, Overall Options): With
4207 `--help=', classes and qualifiers can both be repeated, but
4208 only the latter can be negated. One should not pass only
4209 negated qualifiers. Fix markup and examples.
4212 2008-10-14 Jakub Jelinek <jakub@redhat.com>
4214 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4215 and -fhelp=separate.
4217 2009-03-17 Jing Yu <jingyu@google.com>
4220 * function.h (struct rtl_data): Move is_thunk from here...
4221 (struct function): ...to here.
4222 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4223 * varasm.c (assemble_start_function): Change is_thunk from crtl to
4225 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4227 (alpha_does_function_need_gp, alpha_start_function): Likewise.
4228 (alpha_output_function_end_prologue): Likewise.
4229 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4230 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4231 (rs6000_output_function_epilogue): Likewise.
4232 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4234 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
4237 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4238 from different units in a single alternative.
4239 (*truncdfsf_i387): Ditto.
4240 (*truncxfsf2_mixed): Ditto.
4241 (*truncxfdf2_mixed): Ditto.
4243 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4245 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4246 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4249 * tree-ssa-live.c (remove_unused_locals): Don't remove local
4250 unused non-artificial variables when not optimizing.
4253 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4254 DW_TAG_imported_module even if decl is IMPORTED_DECL with
4255 NAMESPACE_DECL in its DECL_INITIAL.
4258 * optabs.c (set_user_assembler_libfunc): New function.
4259 * expr.h (set_user_assembler_libfunc): New prototype.
4260 * c-common.c: Include libfuncs.h.
4261 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4262 for memcmp, memset, memcpy, memmove and abort.
4263 * Makefile.in (c-common.o): Depend on libfuncs.h.
4266 * dwarf2out.c (gen_inlined_enumeration_type_die,
4267 gen_inlined_structure_type_die, gen_inlined_union_type_die,
4268 gen_tagged_type_instantiation_die): Removed.
4269 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4272 2009-03-17 Janis Johnson <janis187@us.ibm.com>
4275 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4277 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4278 (check-parallel-%): Ditto.
4279 (check-consistency): Ditto.
4281 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
4283 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4284 local variable rhs by NULL_TREE.
4286 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4289 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4291 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4294 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4296 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4299 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4300 for ms->sysv ABI calls only in 64bit mode.
4302 * config/i386/i386.md (untyped_call): Support 32bit.
4304 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
4306 * doc/extend.texi: Replace x86_65 with x86_64.
4308 2009-03-16 Jakub Jelinek <jakub@redhat.com>
4310 PR tree-optimization/39455
4311 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4312 mismatches for POINTER_TYPE_P (type).
4313 (number_of_iterations_le): Likewise.
4315 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4317 * config/picochip/picochip.c: Removed profiling support.
4318 * config/picochip/picochip.md: Removed profiling instruction.
4319 * config/picochip/picochip.h: Removed profiling builtin.
4321 2009-03-16 Joseph Myers <joseph@codesourcery.com>
4323 * doc/install.texi (--with-host-libstdcxx): Document.
4325 2009-03-14 Anatoly Sokolov <aesok@post.ru>
4328 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4329 generate a warning if the function name does not begin with
4330 "__vector" and the function has either the 'signal' or 'interrupt'
4331 attribute, from here to ...
4332 (avr_declare_function_name): ...here. New function.
4333 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4334 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4336 2009-03-14 Jakub Jelinek <jakub@redhat.com>
4339 * cse.c (fold_rtx): Don't modify original const_arg1 when
4340 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4341 separate variable instead.
4342 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4343 from out of range shift counts.
4344 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4346 2008-03-13 Catherine Moore <clm@codesourcery.com>
4348 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4349 diagnostic.h with $(DIAGNOSTIC_H).
4351 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4354 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4356 * config/i386/sync.md (sync_compare_and_swap<mode>,
4357 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4358 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4360 (sync_double_compare_and_swapdi_pic,
4361 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4362 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4364 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4367 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4369 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4372 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4373 (avx_addsubv4df3): Likewise.
4374 (*avx_addsubv4sf3): Likewise.
4375 (sse3_addsubv4sf3): Likewise.
4377 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4380 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4382 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4385 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4386 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4387 registers for allocnos created from user-defined variables.
4389 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4392 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4393 of non-integer mode as well.
4395 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4397 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4398 for functions for which the parameter types are unknown.
4400 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4403 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4404 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4405 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4406 * config/i386/i386.c (ix86_local_alignment): For
4407 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4408 long long variables on the stack to avoid dynamic realignment.
4409 Allow the first argument to be a decl rather than type.
4410 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4412 2009-03-11 Nick Clifton <nickc@redhat.com>
4415 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4417 Add description to mno-lsim option.
4418 * config/mcore/mcore.h: Remove comment about deprecated m4align
4420 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4421 * doc/invoke.texi: Add description of mno-lsim and
4422 mstack-increment options.
4424 * config/fr30/fr30.opt: Document the -mno-lsim option.
4425 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4426 and -mno-lsim options.
4428 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4430 * fold-const.c (fold_comparison): Only call fold_inf_compare
4431 if the mode supports infinities.
4433 2009-03-11 Jason Merrill <jason@redhat.com>
4436 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4437 end already did. Notice GIMPLE_CALL modifications of the result.
4438 Don't copy debug information from an ignored decl or a decl from
4441 2009-03-10 Richard Guenther <rguenther@suse.de>
4442 Nathan Froyd <froydnj@codesourcery.com>
4445 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4446 (__divMODE3): Likewise.
4448 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4450 PR tree-optimization/39394
4451 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4452 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4454 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4456 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4457 inline asms for register asm ("") declarations.
4459 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4461 * fold-const.c (fold_unary): Fix comment.
4463 2009-03-07 Jan Hubicka <jh@suse.cz>
4466 * tree-inline.c (setup_one_parameter): Do replacement of const
4467 argument by constant in SSA form.
4469 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4472 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4473 determine alignment passed to assign_stack_local.
4474 (assign_parms_unsplit_complex): Likewise.
4475 * except.c (sjlj_build_landing_pads): Likewise.
4477 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4480 * tree-flow.h (add_referenced_var): Return bool instead of void.
4481 * tree-dfa.c (add_referenced_var): Return result of
4482 referenced_var_check_and_insert call.
4483 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4484 of referenced_var_check_and_insert.
4487 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4488 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4489 DIE, don't emit it if abstract origin already has it.
4490 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4491 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4493 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4495 * genpreds.c (needs_variable): Fix parentheses at variable name
4497 (write_tm_constrs_h): Indent generated code.
4499 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4501 * doc/extend.texi (Function Attributes): Add documentation
4504 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4507 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4508 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4510 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4512 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4515 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4518 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4519 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4521 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4523 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4524 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4525 constants instead of magic numbers.
4526 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4528 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4529 (x86_64_ms_abi_int_parameter_registers): Ditto.
4530 (x86_64_int_return_registers): Ditto.
4531 (ix86_maybe_switch_abi): Ditto.
4532 (ix86_expand_call): Ditto for clobbered_registers array.
4533 (ix86_hard_regno_mode_ok): Ditto.
4534 (x86_extended_QIreg_mentioned_p): Ditto.
4536 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4538 PR tree-optimization/39349
4539 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4541 * combine.c (gen_lowpart_for_combine): Use omode when generating
4544 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4546 PR rtl-optimization/39235
4547 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4549 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4551 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4553 2009-03-04 Richard Guenther <rguenther@suse.de>
4555 PR tree-optimization/39362
4556 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4557 that occur in abnormal PHIs should be varying.
4559 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4561 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4563 (simple_iv): Take loop as an argument instead of statement.
4564 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4565 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4567 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4569 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4570 * matrix-reorg.c (analyze_transpose): Ditto.
4571 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4572 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4573 * tree-predcom.c (ref_at_iteration): Ditto.
4574 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4576 2009-03-04 Richard Guenther <rguenther@suse.de>
4578 PR tree-optimization/39358
4579 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4580 escaped_id and callused_id.
4581 (solve_graph): Likewise.
4583 2009-03-04 Richard Guenther <rguenther@suse.de>
4585 PR tree-optimization/39339
4586 * tree-sra.c (try_instantiate_multiple_fields): Make it
4587 no longer ICE on the above.
4589 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4591 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4592 that fits within Pmode.
4594 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4597 * tm.texi (LIBCALL_VALUE): Update description.
4599 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4602 * doc/extend.texi (section): Update description.
4604 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4607 * tree-inline.c (remapped_type): New.
4608 (can_be_nonlocal): Call remapped_type instead of remap_type.
4610 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4613 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4614 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4616 2009-03-03 Richard Guenther <rguenther@suse.de>
4619 * tree.c (tree_nonartificial_location): New function.
4620 * tree.h (tree_nonartificial_location): Declare.
4621 * builtins.c (expand_builtin_memory_chk): Provide location
4622 of the call location for artificial function pieces.
4623 (maybe_emit_chk_warning): Likewise.
4624 (maybe_emit_sprintf_chk_warning): Likewise.
4625 (maybe_emit_free_warning): Likewise.
4626 * expr.c (expand_expr_real_1): Likewise.
4628 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4630 PR tree-optimization/39343
4631 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4632 COMPONENT_REF t has ARRAY_TYPE.
4634 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4637 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4638 when the type precision of the induction variable should be
4639 larger than the type precision of nit.
4640 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4641 * graphite.c (graphite_loop_normal_form): Same.
4642 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4644 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4646 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4647 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4648 numbers to describe clobbered registers.
4649 (*call_value_0_rex64_ms_sysv): Ditto.
4650 * config/i386/mmx.md (mmx_emms): Ditto.
4653 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4655 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4658 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4660 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4661 (spu_section_type_flags): New function.
4663 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4665 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4666 reg_class_contents of FLOAT_REGS into a temporary.
4668 2009-03-02 Richard Guenther <rguenther@suse.de>
4669 Ira Rosen <irar@il.ibm.com>
4671 PR tree-optimization/39318
4672 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4673 information to the vectorized statement.
4675 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4677 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4678 variable. Use defined names instead of magic constants for REX SSE
4681 2009-03-01 Richard Guenther <rguenther@suse.de>
4683 PR tree-optimization/39331
4684 * omp-low.c (lower_send_shared_vars): Do not receive new
4685 values for the reference of DECL_BY_REFERENCE parms or results.
4687 2009-03-01 Jan Hubicka <jh@suse.cz>
4690 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4691 BLOCK_NONLOCALIZED_VAR): New macros.
4692 (tree_block): Add nonlocalized_vars.
4693 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4694 gen_decl_die): Add origin argument. Allow generation of die with
4695 origin at hand only.
4696 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4697 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4699 (gen_block_die): Fix checking for unused blocks.
4700 (process_scope_var): Break out from .... ; work with origins only.
4701 (decls_for_scope) ... here; process nonlocalized list.
4702 (dwarf2out_ignore_block): Look for nonlocalized vars.
4703 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4705 (dump_scope_block): Dump them.
4706 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4707 (remap_block): Likewise.
4708 (can_be_nonlocal): New predicate.
4709 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4711 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4713 * configure: Regenerate.
4715 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4717 * optc-gen.awk: No need to duplicate option flags twice.
4718 Reuse help texts for duplicate options which do not have any.
4720 * gcc.c (display_help): Document --version.
4722 * gcc.c (main): If print_help_list and verbose_flag, ensure
4723 driver output comes before subprocess output.
4725 * optc-gen.awk: Assign all remaining fields to help string,
4726 space-separated, for multi-line help in *.opt.
4728 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4729 -Wno-pedantic-ms-format is for MinGW targets only.
4731 * doc/options.texi (Option file format): Fix bad indentation,
4732 restoring dropped sentence.
4734 2009-02-28 Jan Hubicka <jh@suse.cz>
4736 * tree-inline.c (tree_function_versioning): Output debug info.
4738 2009-02-28 Jan Hubicka <jh@suse.cz>
4741 * tree-inline.c (setup_one_parameter): Do not copy propagate
4742 arguments when not optimizing.
4744 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4747 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4748 (avx_addsubv4df3): Likewise.
4749 (*avx_addsubv4sf3): Likewise.
4750 (sse3_addsubv4sf3): Likewise.
4751 (*avx_addsubv2df3): Likewise.
4752 (sse3_addsubv2df3): Likewise.
4753 (avx_unpckhps256): Correct item selectors.
4754 (avx_unpcklps256): Likewise.
4755 (avx_unpckhpd256): Likewise.
4756 (avx_unpcklpd256): Likewise.
4758 2009-02-28 Jan Hubicka <jh@suse.cz>
4760 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4762 (copy_arguments_for_versioning): If var is declared don't declare it.
4763 (tree_function_versioning): First setup substitutions and then copy
4766 2009-02-27 Jan Hubicka <jh@suse.cz>
4769 * cgraph.h (varpool_output_debug_info): Remove.
4770 * cgraphunit.c (varpool_output_debug_info): Remove.
4771 * dwarf2out.c (deferred_locations_struct): New struct
4772 (deferred_locations): New type.
4773 (deferred_locations_list): New static var.
4774 (deffer_location): New function.
4775 (gen_variable_die): Use it.
4776 (decls_for_scope): Output info on local static vars.
4777 (dwarf2out_finish): Process deferred locations.
4778 * varpool.c (varpool_output_debug_info): Remove.
4780 2009-02-27 Jan Hubicka <jh@suse.cz>
4783 * tree.h (TREE_PROTECTED): Fix comment.
4784 (BLOCK_HANDLER_BLOCK): Remove.
4785 (struct tree_block): Remove handler_block add body_block.
4786 (inlined_function_outer_scope_p): New.
4787 (is_body_block): Remove.
4788 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4789 * dwarf2out.c (is_inlined_entry_point): Remove.
4790 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4791 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4793 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4794 * gimplify.c (gimplify_expr): Gimplify body blocks.
4795 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4796 block with multiple subblocks.
4797 (dump_scope_block): Prettier output; dump more flags and info.
4798 (dump_scope_blocks): New.
4799 (remove_unused_locals): Use dump_scope_blocks.
4800 * tree-flow.h (dump_scope_blocks): Declare.
4801 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4802 * stmt.c (is_body_block): Remove.
4803 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4804 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4806 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4809 * graphite.c (graphite_loop_normal_form): Do not call
4810 number_of_iterations_exit from a gcc_assert.
4812 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4814 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4815 jumps if COND is NULL.
4816 (find_cond_jump): New function.
4817 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4818 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4820 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4822 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4823 force_const_mem returns NULL_RTX.
4825 2009-02-26 Jan Hubicka <jh@suse.cz>
4828 * cgraph.h (varpool_output_debug_info): Remove.
4829 * cgraphunit.c (varpool_output_debug_info): Remove.
4830 * dwarf2out.c (deferred_locations_struct): New struct
4831 (deferred_locations): New type.
4832 (deferred_locations_list): New static var.
4833 (deffer_location): New function.
4834 (gen_variable_die): Use it.
4835 (decls_for_scope): Output info on local static vars.
4836 (dwarf2out_finish): Process deferred locations.
4837 * varpool.c (varpool_output_debug_info): Remove.
4839 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4841 PR rtl-optimization/39241
4842 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4843 to subreg_offset_representable_p.
4845 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4847 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4848 execute function prototype. Get f and nregs from max_reg_num
4849 and get_insns. Remove the first backward pass as it's dead,
4850 guard the forward pass by flag_expensive_optimizations.
4851 (rest_of_handle_regmove): Delete.
4852 (pass_regmove): Replace it with regmove_optimize.
4854 2009-02-25 Martin Jambor <mjambor@suse.cz>
4856 PR tree-optimization/39259
4857 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4858 calls_alloca function flags.
4859 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4862 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4864 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4865 flags_set_1_rtx, flags_set_1_set): Delete.
4866 (regmove_optimize): Do not call mark_flags_life_zones.
4868 2009-02-24 Julian Brown <julian@codesourcery.com>
4871 * config/arm/arm.c (require_pic_register): Only set
4872 cfun->machine->pic_reg once per function.
4874 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4876 * doc/invoke.texi (Link Options): Document an easier way to pass
4877 options that take arguments to the GNU linker using -Xlinker and -Wl.
4879 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4882 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4884 2009-02-24 Richard Guenther <rguenther@suse.de>
4887 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4889 2009-02-24 Richard Guenther <rguenther@suse.de>
4890 Zdenek Dvorak <ook@ucw.cz>
4892 PR tree-optimization/39233
4893 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4894 from converting them to a generic type.
4896 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4898 PR tree-optimization/39260
4899 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4900 contains a condition with a real type.
4901 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4903 2009-02-23 Jason Merrill <jason@redhat.com>
4906 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4907 narrowing_initializer_constant_valid_p.
4908 (narrowing_initializer_constant_valid_p): Don't return
4909 null_pointer_node for adding a pointer to itself.
4911 2009-02-23 Jan Hubicka <jh@suse.cz>
4914 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4917 2009-02-23 Jan Hubicka <jh@suse.cz>
4919 PR tree-optimization/37709
4920 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4921 * tree.h (block_ultimate_origin): Declare.
4922 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4923 * tree-ssa-live.c (remove_unused_scope_block_p):
4924 Eliminate blocks containig no instructions nor live variables nor
4926 (dump_scope_block): New function.
4927 (remove_unused_locals): Enable removal of dead blocks by default;
4928 enable dumping at TDF_DETAILS.
4930 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4932 * config/i386/i386.c (classify_argument): Don't allow COImode
4934 (function_arg_advance_32): Don't allow OImode.
4935 (function_arg_32): Likewise.
4936 (function_value_32): Likewise.
4937 (return_in_memory_32): Likewise.
4938 (function_arg_64): Remove OImode comment.
4940 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4943 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4944 ix86_expand_vector_set for V4DImode in 64bit mode only.
4945 (ix86_expand_vector_init_one_var): Likewise.
4947 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4949 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4951 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4954 * loop-iv.c: Revert last change.
4955 * emit-rtl.c: Likewise.
4957 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4960 * config/i386/i386.c (type_natural_mode): Remove an extra
4961 space in the warning message.
4962 (function_value_32): Handle 32-byte vector modes.
4963 (return_in_memory_32): Likewise.
4965 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4967 * loop-iv.c (truncate_value): New function.
4968 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4970 (lowpart_subreg): Move to...
4971 * emit-rtl.c: ...here.
4973 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
4975 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4976 accidental and undocumented change at revision 140860.
4978 2009-02-21 Joseph Myers <joseph@codesourcery.com>
4980 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4981 take gimple_seq * arguments.
4982 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4983 types_compatible_p langhook.
4985 2009-02-20 Mark Mitchell <mark@codesourcery.com>
4986 Joseph Myers <joseph@codesourcery.com>
4988 * config/arm/arm.c (arm_builtin_va_list): New function.
4989 (arm_expand_builtin_va_start): Likewise.
4990 (arm_gimplify_va_arg_expr): Likewise.
4991 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4992 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4993 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4994 (va_list_type): New variable.
4995 (arm_mangle_type): Mangle va_list_type appropriately.
4997 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5000 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5001 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5002 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5003 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5004 parameter to 1000 for -O1 by default.
5005 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5007 * loop-invariant.c: Include params.h.
5008 (move_loop_invariants): Don't call move_single_loop_invariants on
5011 2009-02-20 Jaka Mocnik <jaka@xlab.si>
5013 * calls.c (emit_library_call_value_1): Use slot_offset instead of
5014 offset when calculating bounds for indexing stack_usage_map. Fixes
5015 a buffer overflow with certain target setups.
5017 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5020 * calls.c (expand_call): Clear try_tail_call if caller and callee
5021 disagree in promotion of function return value.
5023 2009-02-19 Jakub Jelinek <jakub@redhat.com>
5026 * c-common.c (c_determine_visibility): If visibility changed and
5027 DECL_RTL has been already set, call make_decl_rtl to update symbol
5030 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
5033 * varasm.c (assemble_variable): Don't check DECL_NAME when
5034 globalizing a variable.
5036 2009-02-19 Joseph Myers <joseph@codesourcery.com>
5039 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5040 expression before any __builtin_trap call.
5041 * c-typeck.c (build_function_call): Convert and check function
5042 arguments before generating a call to a trap. Evaluate the
5043 function arguments before the trap.
5045 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
5048 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5049 (UNSPEC_FXAM_MEM): New unspec.
5050 (fxam<mode>2_i387_with_temp): New insn and split pattern.
5051 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
5052 memory using fxam<mode>2_i387_with_temp to remove excess precision.
5054 2009-02-19 Richard Guenther <rguenther@suse.de>
5056 PR tree-optimization/39207
5057 PR tree-optimization/39074
5058 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5059 storedanything_tree): New.
5060 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
5061 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5062 (build_succ_graph): Add edges from STOREDANYTHING to all
5064 (init_base_vars): Initialize STOREDANYTHING.
5065 (compute_points_to_sets): Free substitution info after
5066 building the succ graph.
5067 (ipa_pta_execute): Likewise.
5069 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5071 (do_ds_constraint): Do not add to special var or non-pointer
5073 (type_could_have_pointers): Split out from ...
5074 (could_have_pointers): ... here. For arrays use the element type.
5075 (create_variable_info_for): Initialize may_have_pointers.
5076 (new_var_info): Likewise.
5077 (handle_lhs_call): Make the HEAP variable unknown-sized.
5078 (intra_create_variable_infos): Use a type with pointers for
5079 PARM_NOALIAS, make it unknown-sized.
5081 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
5084 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5086 2009-02-18 Jason Merrill <jason@redhat.com>
5089 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5090 value if DECL_EXTERNAL.
5091 * tree-sra.c (sra_walk_gimple_assign): Likewise.
5092 * target.h (gcc_target::binds_local_p): Clarify "module".
5093 * tree.h (TREE_PUBLIC): Clarify "module".
5095 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
5098 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5099 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5101 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
5104 * c.opt (Wabi): Support C and ObjC.
5107 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5109 * config/i386/i386.c (classify_argument): Warn once about the ABI
5110 change when passing union with long double.
5112 * doc/invoke.texi: Update -Wabi for warning psABI changes.
5114 2009-02-18 Joseph Myers <joseph@codesourcery.com>
5117 * c-parser.c (c_parser_compound_statement): Always enter and leave
5120 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5123 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5125 2009-02-18 Jakub Jelinek <jakub@redhat.com>
5127 PR tree-optimization/36922
5128 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5129 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5132 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5134 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5137 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5139 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5141 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5143 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5146 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
5147 Richard Sandiford <rdsandiford@googlemail.com>
5149 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5150 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5151 (loongson_biadd): ...this.
5153 2009-02-17 Richard Guenther <rguenther@suse.de>
5155 PR tree-optimization/39202
5156 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5157 a var make sure to follow existing collapses.
5159 2009-02-17 Richard Guenther <rguenther@suse.de>
5162 * langhooks.c (lhd_print_error_function): Check for NULL block.
5164 2009-02-17 Richard Guenther <rguenther@suse.de>
5166 PR tree-optimization/39204
5167 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5170 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
5172 * config/soft-fp/double.h: Update from glibc CVS.
5174 2009-02-17 Richard Guenther <rguenther@suse.de>
5176 PR tree-optimization/39207
5177 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5178 strict-aliasing warnings for pointers pointing to NULL.
5180 2009-02-16 Joseph Myers <joseph@codesourcery.com>
5183 * c-parser.c (c_parser_braced_init): Call pop_init_level when
5184 skipping until next close brace.
5186 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
5189 * config/i386/i386.c (ix86_expand_push): Set memory alignment
5190 to function argument boundary.
5192 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5194 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5195 in the lea_add. Reload eventually constraints it properly.
5196 * config/picochip/constraints.md : Remove the target constraint
5197 "b", since it is not needed anymore.
5199 2009-02-16 Jakub Jelinek <jakub@redhat.com>
5201 * gthr-dce.h: Uglify function parameter and local variable names.
5202 * gthr-gnat.h: Likewise.
5203 * gthr-mipssde.h: Likewise.
5204 * gthr-nks.h: Likewise.
5205 * gthr-posix95.h: Likewise.
5206 * gthr-posix.h: Likewise.
5207 * gthr-rtems.h: Likewise.
5208 * gthr-single.h: Likewise.
5209 * gthr-solaris.h: Likewise.
5210 * gthr-tpf.h: Likewise.
5211 * gthr-vxworks.h: Likewise.
5212 * gthr-win32.h: Likewise.
5214 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
5217 * config/i386/i386.md: Restrict the new peephole2 to move
5218 between MMX/SSE registers.
5220 2009-02-15 Richard Guenther <rguenther@suse.de>
5223 2009-02-13 Richard Guenther <rguenther@suse.de>
5225 * configure.ac: Enable LFS.
5226 * configure: Re-generate.
5227 * config.in: Likewise.
5229 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5231 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5232 spu_srqwbyte, spu_srqwbytebc): Define.
5233 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5234 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5235 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5236 "shrqby_<mode>"): New insn-and-split patterns.
5237 * config/spu/spu.c (expand_builtin_args): Determine and return
5238 number of operands using spu_builtin_description data.
5239 (spu_expand_builtin_1): Use it.
5241 2009-02-13 Steve Ellcey <sje@cup.hp.com>
5244 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5247 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5250 * config/i386/i386.c (override_options): Correct warning
5251 messages for -malign-loops, -malign-jumps and -malign-functions.
5253 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5256 * config/i386/i386.md: Restrict the new peephole2 to move
5257 between the general purpose registers.
5259 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5262 * config/i386/i386.c (type_natural_mode): Add a new argument.
5263 Return the original mode and warn ABI change if vector size is 32byte.
5264 (function_arg_advance): Updated.
5265 (function_arg): Likewise.
5266 (ix86_function_value): Likewise.
5267 (ix86_return_in_memory): Likewise.
5268 (ix86_sol10_return_in_memory): Likewise.
5269 (ix86_gimplify_va_arg): Likewise.
5270 (function_arg_32): Don't warn ABX ABI change here.
5271 (function_arg_64): Likewise.
5273 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
5275 * loop-iv.c (implies_p): In the final case, test that operands 0
5276 of the two comparisons match.
5278 * config/bfin/bfin.c (find_prev_insn_start): New function.
5279 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5280 (find_next_insn_start): Move.
5282 2009-02-13 Richard Guenther <rguenther@suse.de>
5284 * configure.ac: Enable LFS.
5285 * configure: Re-generate.
5286 * config.in: Likewise.
5288 2009-02-13 Joseph Myers <joseph@codesourcery.com>
5291 * c-parser.c (c_parser_parms_list_declarator): Discard pending
5292 sizes on syntax error after some arguments have been parsed.
5294 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5296 * doc/invoke.texi (-fira): Remove.
5298 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5300 * caller-save.c: Replace regclass.c with reginfo.c in comments.
5301 * recog.c: Likewise.
5304 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
5306 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5307 (umul_ppmm): Likewise.
5308 (count_leading_zeros): Likewise.
5309 (count_trailing_zeros): Likewise.
5310 (UMUL_TIME): Likewise.
5312 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5314 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5315 soft-fp/t-softfp to tmake_file.
5317 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5318 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5319 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5320 IA64_BUILTIN_INFQ]: New.
5321 (ia64_init_builtins): Initialize __builtin_infq,
5322 __builtin_fabsq and __builtin_copysignq if not HPUX.
5323 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5324 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5326 * config/ia64/lib1funcs.asm (__divtf3): Define only if
5328 (__fixtfti): Likewise.
5329 (__fixunstfti): Likewise.
5330 (__floattitf): Likewise.
5332 * config/ia64/libgcc-glibc.ver: New.
5333 * config/ia64/t-fprules-softfp: Likewise.
5334 * config/ia64/sfp-machine.h: Likewise.
5336 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5337 (LIBGCC2_TF_CEXT): Likewise.
5338 (TF_SIZE): Likewise.
5339 (TARGET_INIT_LIBFUNCS): Likewise.
5341 * config/ia64/t-glibc (SHLINB_MAPFILES):
5342 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5344 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5346 * config/i386/i386.c (construct_container): Rewrite processing
5347 BLKmode with X86_64_SSE_CLASS.
5349 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5352 * config/i386/i386.md: Replace simplify_replace_rtx with
5353 replace_rtx in the new peephole2.
5355 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5357 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5358 loop unrolling do not happen at -O2.
5360 2009-02-12 Michael Matz <matz@suse.de>
5362 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5364 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5366 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5369 2009-02-12 Ben Elliston <bje@au.ibm.com>
5371 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5372 patterns when updating the back chain. Missed in the 2009-02-10
5375 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5377 * doc/extend.texi (Decimal Floating Types): Update identifier of
5378 draft TR and list of missing support.
5380 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5383 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5384 bit to variable length decl's flags, add it also to its
5385 pointer replacement variable.
5387 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5388 Jakub Jelinek <jakub@redhat.com>
5391 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5392 (memory_blockage): New expander.
5393 (*memory_blockage): New insn pattern.
5394 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5395 instead of general blockage at the end of function prologue when
5396 frame pointer is used to access red zone area. Do not emit blockage
5397 when profiling, it is emitted in generic code.
5398 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5399 function epilogue when frame pointer is used to access red zone area.
5401 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5404 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5405 by arithmetic with memory operands.
5406 * config/i386/predicates.md (commutative_operator): New.
5408 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5410 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5413 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5415 * alias.h (record_alias_subset): Declare.
5416 * alias.c (record_alias_subset): Make global.
5418 2009-02-10 Nick Clifton <nickc@redhat.com>
5420 * tree-parloops.c: Change license to GPLv3.
5421 * ipa-struct-reorg.c: Change license to GPLv3.
5422 * ipa-struct-reorg.h: Change license to GPLv3.
5424 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5427 * c-decl.c (start_struct): Return NULL on error.
5429 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5432 * cfgloopmanip.c (remove_path): Call remove_bbs after
5433 cancel_loop_tree, not before it.
5436 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5437 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5438 VAR_DECLs were seen.
5439 * tree-ssa-live.c (remove_unused_locals): Recompute
5440 cfun->has_local_explicit_reg_vars.
5441 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5442 copies or clearings if cfun->has_local_explicit_reg_vars.
5444 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5447 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5448 of function prologue when frame pointer is used to access
5451 2009-02-10 Richard Guenther <rguenther@suse.de>
5454 * gimplify.c (gimple_regimplify_operands): Always look if
5455 we need to create a temporary.
5457 2009-02-10 Richard Guenther <rguenther@suse.de>
5459 PR tree-optimization/39132
5460 * tree-loop-distribution.c (todo): New global var.
5461 (generate_memset_zero): Trigger TODO_rebuild_alias.
5462 (tree_loop_distribution): Return todo.
5464 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5467 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5468 (x86_64_reg_class_name): Removed.
5469 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5470 first one isn't X86_64_SSE_CLASS or any other ones aren't
5471 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5472 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5473 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5474 and 3 X86_64_SSEUP_CLASS.
5475 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5476 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5478 2009-02-10 Ben Elliston <bje@au.ibm.com>
5480 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5481 form instruction to update the stack back chain word, even if the
5482 user has disabled the generation of update instructions.
5483 (movdi_<mode>_update_stack): New.
5484 (movsi_update_stack): Likewise.
5485 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5486 always use an update form instruction to update the stack back
5489 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5492 * graphite.c (if_region_set_false_region): After moving a region in
5493 the false branch of a condition, remove the empty dummy basic block.
5494 (gloog): Remove wrong fix for PR38953.
5496 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5498 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5499 generation due to implicit sign extension.
5501 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5504 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5505 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5507 2009-02-09 Richard Guenther <rguenther@suse.de>
5510 * convert.c (convert_to_real): Disable (float)fn((double)x)
5511 to fnf(x) conversion if errno differences may occur and
5512 -fmath-errno is set.
5514 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5516 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5517 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5518 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5520 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5523 * c-common.c (handle_alias_attribute): Disallow attribute for
5524 anything not a FUNCTION_DECL or VAR_DECL.
5526 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5529 * real.c (do_compare): Special-case compare of zero against
5530 decimal float value.
5532 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5535 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5536 as indicating flexible array members unless the field itself is
5537 being declarared as the incomplete array.
5539 2009-02-06 Jan Hubicka <jh@suse.cz>
5541 PR tree-optimization/38844
5542 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5545 2009-02-06 Richard Guenther <rguenther@suse.de>
5548 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5549 fork because we may expand it as __gcov_fork.
5551 2009-02-06 Nick Clifton <nickc@redhat.com>
5553 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5555 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5557 PR tree-optimization/35659
5558 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5559 vn_phi_eq): Shortcut if hashcode does not match.
5560 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5562 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5563 and avoid iterative_hash_expr.
5564 (FOR_EACH_VALUE_ID_IN_SET): New.
5565 (value_id_compare): Remove.
5566 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5567 sort expressions by value id.
5569 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5572 * config/sh/predicates.md (general_movsrc_operand): Don't check
5573 the subreg of system registers here.
5575 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5578 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5581 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5583 PR rtl-optimization/39110
5584 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5585 addresses, not aligned ones.
5587 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5588 Richard Guenther <rguenther@suse.de>
5590 PR tree-optimization/39100
5591 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5592 comment says and add edges.
5594 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5597 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5598 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5600 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5602 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5603 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5604 register_bb_in_sese, new_sese, free_sese): Moved.
5605 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5606 outermost_loop_in_scop, build_scop_iteration_domain,
5607 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5608 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5609 Use loop_in_sese_p instead of loop_in_scop_p.
5610 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5611 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5612 (scopdet_basic_block_info): Fix bug in scop detection.
5613 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5614 eq_loop_to_cloog_loop): Remove.
5615 (nb_loops_around_loop_in_scop, nb_loop
5616 ref_nb_loops): Moved here...
5617 * graphite.h (ref_nb_loops): ... from here.
5618 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5619 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5620 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5621 * testsuite/gcc.dg/graphite/scop-19.c: New
5623 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5624 Hans-Peter Nilsson <hp@axis.com>
5626 PR rtl-optimization/37889
5627 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5628 Move offset handling from PLUS to before the switch. Use new
5629 arguments when considering SYMBOL_REFs too.
5630 (rtx_addr_can_trap_p): Pass dummy offset and size.
5631 (enum may_trap_p_flags): Remove.
5632 (may_trap_p_1): Pass size from MEM_SIZE.
5634 PR rtl-optimization/38921
5635 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5636 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5637 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5638 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5640 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5642 AVX Programming Reference (January, 2009)
5643 * config/i386/sse.md (*vpclmulqdq): New.
5645 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5647 PR tree-optimization/38977
5648 PR gcov-profile/38292
5649 * calls.c (special_function_p): Disregard __builtin_ prefix.
5651 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5653 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5654 non-indexable addresses even before reload.
5656 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5659 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5660 as having variable size. Do not give an error for unnamed
5661 parameters with [*] declarators. Give a warning for type names
5662 with [*] declarators and mark them as variable size.
5663 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5664 for sizeof applied to [*] type names.
5666 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5669 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5671 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5673 * gcc.c (process_command): Update copyright notice dates.
5674 * gcov.c (print_version): Likewise.
5675 * gcov-dump.c (print_version): Likewise.
5676 * mips-tfile.c (main): Likewise.
5677 * mips-tdump.c (main): Likewise.
5679 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5682 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5683 for composite type involving a zero-length array type.
5685 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5688 * function.c (match_asm_constraints_1): Skip over
5689 initial optional % in the constraint.
5692 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5693 supported, don't accept FIXED_CSTs.
5694 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5695 and _Sat is used without _Fract/_Accum. Set specs->type to
5696 integer_type_node for cts_fract/cts_accum if fixed point is not
5699 2009-02-02 Catherine Moore <clm@codesourcery.com>
5701 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5703 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5705 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5706 (ABI_HAS_64BIT_SYMBOLS): Use it.
5707 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5709 2009-02-02 Paul Brook <paul@codesourcery.com>
5711 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5713 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5716 * recog.h (asm_operand_ok): Add constraints argument.
5717 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5718 recurse on matching constraint.
5719 (check_asm_operands): Pass constraints as 3rd argument to
5720 asm_operand_ok. Don't look up matching constraint here.
5721 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5724 2009-02-02 Ben Elliston <bje@au.ibm.com>
5726 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5727 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5729 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5731 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5732 information. Remove some obsolete information. Reorganize.
5734 * config/pa/fptr.c: Revert license to GPL 2.
5735 * config/pa/milli64.S: Likewise.
5737 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5740 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5741 LIBRARY name in, instead of hard-coding it.
5742 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5743 extra target make frag to tmake_files according to EH model.
5744 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5745 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5746 frags that define makefile variable EH_MODEL appropriately.
5747 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5748 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5749 to "-sjlj" according to type of EH configured.
5750 (LIBGCC_SONAME): Concatenate it to shared library base name.
5751 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5752 to "_sjlj" according to type of EH configured.
5753 (LIBGCC_SONAME): Concatenate it to shared library base name.
5754 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5755 (SHLIB_LINK): Add missing semicolon to if-else construct.
5756 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5757 string value of "pe_dll" command-line option.
5758 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5759 (SHLIB_SONAME): Use it when overriding t-cygming default.
5760 (SHLIB_IMPLIB): Override t-cygming default.
5761 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5762 string value of "pe_dll" command-line option.
5764 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5767 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5768 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5770 2009-01-31 Richard Guenther <rguenther@suse.de>
5772 PR tree-optimization/38937
5773 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5774 computing the transitive closure.
5776 2009-01-30 Richard Guenther <rguenther@suse.de>
5778 PR tree-optimization/39041
5779 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5780 Propagate variable indices only if the types match for this stmt.
5782 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5785 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5786 inline but never defined.
5788 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5790 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5791 (*insv_h_di_reg_extimm): New insn.
5792 (*insv_l<mode>_reg_extimm): New insn.
5794 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5796 * config/picochip/picochip.c (flag_conserve_stack): set
5797 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5798 fconserve-stack. Reduce call-overhead used by inliner.
5800 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5803 * common.opt (flag_conserve_stack): Initialised to zero.
5805 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5808 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5809 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5812 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5814 * ira-color.c (allocno_reload_assign): Update comments.
5815 * regmove.c (regmove_optimize): Likewise.
5819 2009-01-29 Robert Millan <rmh@aybabtu.com>
5821 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5822 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5823 `MD_UNWIND_SUPPORT'.
5824 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5826 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5828 PR tree-optimization/39007
5829 * tree-loop-distribution.c (generate_builtin): Use
5830 recompute_dominator to compute the immediate dominator of the
5831 basic block just after the loop.
5833 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5835 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5836 (ASM_OUTPUT_DWARF_PCREL): Define.
5838 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5840 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5841 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5842 global. Modify entries about regmove and IRA.
5844 * ra-conflict.c: Remove the file.
5846 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5848 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5849 (pass_regclass_init): Rename to pass_reginfo_init.
5851 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5853 * toplev.h (flag_ira): Remove.
5855 * caller-save.c (setup_save_areas): Remove flag_ira.
5857 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5859 * global.c: Remove the file.
5861 * opts.c (decode_options): Remove flag_ira.
5863 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5865 * regmove.c: Modify file description.
5866 (find_use_as_address, try_auto_increment): Define them only if
5867 AUTO_INC_DEC is defined.
5868 (replacement_quality, replace_in_call_usage, fixup_match_1,
5869 stable_and_no_regs_but_for_p): Remove.
5870 (reg_set_in_bb): Make it static.
5871 (regmove_optimize): Remove flag_ira and code which worked for
5874 * local-alloc.c: Remove the file.
5876 * common.opt (fira): Remove.
5878 * ira.c: Include except.h.
5879 (eliminable_regset): Move from global.c.
5880 (mark_elimination): Ditto. Remove flag_ira.
5881 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5882 equiv_mem_modified, validate_equiv_mem_from_store,
5883 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5884 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5885 no_equiv, recorded_label_ref): Move from local-alloc.c.
5886 (update_equiv_regs): Ditto. Make it static.
5887 (print_insn_chain, print_insn_chains): Move it from global.c.
5888 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5889 (build_insn_chain): Ditto. Make it static.
5890 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5891 Rename to init_live_subregs.
5892 (gate_ira): Remove flag_ira.
5894 * regclass.c: Rename reginfo.c. Change file description.
5895 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5896 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5897 (init_reg_sets_1): Remove code for evaluation of
5898 reg_class_superclasses and losing_caller_save_reg_set.
5899 (init_regs): Remove init_reg_autoinc.
5900 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5901 ok_for_base_p_nonstrict): Remove.
5902 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5903 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5904 corresponding entries.
5905 (dump_regclass, record_operand_costs, scan_one_insn,
5906 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5907 record_address_regs, auto_inc_dec_reg_p): Remove.
5908 (gt-regclass.h): Rename to gt-reginfo.h.
5910 * rtl.h (dump_global_regs, retry_global_alloc,
5911 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5913 * Makefile.in (RA_H): Remove.
5914 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5915 Rename regclass.o to reginfo.o.
5916 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5918 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5919 (GTFILES): Rename regclass.c to reginfo.c.
5921 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5922 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5924 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5925 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5927 (finish_spills): Ditto. Remove code for !flag_ira.
5929 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5932 * doc/invoke.texi (rtl debug options): Complete rewrite.
5933 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5935 * mode-switching.c (pass_mode_switching): Rename pass from
5936 "mode-sw" to "mode_sw".
5937 * except.c (pass_convert_to_eh_ranges): Rename pass from
5938 "eh-ranges" to "eh_ranges".
5939 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5943 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5944 Alexander Monakov <amonakov@ispras.ru>
5947 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5949 (move_exprs_to_boundary): Change return type and pass through
5950 should_move from move_op. Relax assert. Update usage ...
5951 (schedule_expr_on_boundary): ... here. Use should_move instead of
5953 (move_op_orig_expr_found): Indicate that insn was disconnected from
5955 (code_motion_process_successors): Do not call after_merge_succs
5956 callback if original expression was not found when traversing any of
5958 (code_motion_path_driver): Change return type. Update prototype.
5959 (move_op): Update comment. Add a new parameter (should_move). Update
5960 prototype. Set *should_move based on indication provided by
5961 move_op_orig_expr_found.
5963 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5965 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5966 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5967 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5968 * config/rs6000/rs6000.c (rs6000_override_options): Default
5969 avoid-indexed-addresses on for Power6, off for everything else.
5970 (avoiding_indexed_address_p): New function.
5971 (rs6000_legitimize_address): Use it.
5972 (rs6000_legitimate_address): Likewise.
5973 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5975 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
5977 PR tree-optimization/38997
5978 * tree-loop-distribution.c (generate_memset_zero): Use
5979 POINTER_PLUS_EXPR for a pointer addition.
5981 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
5983 * config/s390/s390.md (bswap<mode>2): New pattern added.
5985 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5987 * config/s390/s390.md (*tls_load_31): Added type attribute.
5989 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5991 * config/s390/s390.md: Fix a few comments.
5993 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5995 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5996 (*tm<mode>_full): Fixed z10prop attribute.
5997 (*tst<mode>_extimm): Fixed z10prop attribute.
5998 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5999 (*tstqiCCT_cconly): Fixed z10prop attribute.
6000 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6001 (*movsi_larl): Fixed z10prop attribute.
6002 (*movsi_zarch): Fixed z10prop attribute.
6003 (*movsi_eas): Fixed z10prop attribute.
6004 (*movhi): Fixed z10prop attribute.
6005 (*movqi): Fixed z10prop attribute.
6006 (*movstrictqi): Fixed z10prop attribute.
6007 (*mov<mode>): Fixed z10prop attribute.
6008 (*movcc): Fixed z10prop attribute.
6009 (*sethighpartdi_64): Fixed z10prop attribute.
6010 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6011 (*negdi2_sign_cc): Fixed z10prop attribute.
6012 (*negdi2_sign): Fixed z10prop attribute.
6013 (*absdi2_sign_cc): Fixed z10prop attribute.
6014 (*absdi2_sign): Fixed z10prop attribute.
6015 (*negabsdi2_sign_cc): Fixed z10prop attribute.
6016 (*negabsdi2_sign): Fixed z10prop attribute.
6017 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6018 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6019 (doloop_si64): Fixed z10prop attribute.
6020 (doloop_si31): Fixed z10prop attribute.
6021 (doloop_long): Fixed z10prop attribute.
6022 (indirect_jump): Fixed z10prop attribute.
6023 (nop): Fixed z10prop attribute.
6024 (main_base_64): Fixed z10prop attribute.
6025 (reload_base_64): Fixed z10prop attribute.
6027 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6029 PR rtl-optimization/38740
6030 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6032 * config/mips/mips.c (mips_reorg): Likewise.
6034 2009-01-28 Richard Guenther <rguenther@suse.de>
6036 PR tree-optimization/38926
6037 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6038 with the correct value id to a value.
6039 (do_regular_insertion): Use the value number of edoubleprime
6040 for the value number of the expr.
6043 2008-08-21 Richard Guenther <rguenther@suse.de>
6045 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6046 a PHI ask VN if it is already available.
6047 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6048 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6050 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6053 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6054 set to varying whenever max has TREE_OVERFLOW set, similarly
6055 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6057 2009-01-28 Richard Guenther <rguenther@suse.de>
6060 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6061 uninitialized aggregate uses in call arguments.
6063 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
6065 PR tree-optimization/38984
6066 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6067 the nothing_id variable if -fno-delete-null-pointer-checks.
6069 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
6072 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6073 (set_got_offset_rex64): Ditto.
6075 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
6078 * doc/extend.texi: Improve local variable with asm reg.
6080 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
6082 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6083 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6084 was not supplied then set warn_packed_bitfield_compat to the
6086 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6089 2009-01-27 Richard Guenther <rguenther@suse.de>
6091 PR tree-optimization/38503
6092 * cfgexpand.c (expand_gimple_basic_block): Ignore
6093 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6094 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6095 variables that cannot have TBAA applied.
6096 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6099 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
6102 * calls.c (initialize_argument_information): Do not wrap complex
6103 arguments in SAVE_EXPR.
6105 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
6107 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6108 (INSTALL_LIBGCC): Revert typo commit.
6110 2009-01-26 Richard Guenther <rguenther@suse.de>
6112 PR tree-optimization/38745
6113 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6114 from special handling.
6116 2009-01-26 Richard Guenther <rguenther@suse.de>
6118 PR tree-optimization/38745
6119 * tree-ssa.c (execute_update_addresses_taken): Do not include
6120 variables that cannot possibly be a register in not_reg_needs.
6121 Do not clear TREE_ADDRESSABLE on vars that may not become
6123 * tree-ssa.c (update_alias_info_1): Include those in the set
6124 of addressable vars.
6126 2009-01-26 Richard Guenther <rguenther@suse.de>
6129 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6130 * tree-ssa-dse.c: Include langhooks.h
6131 (execute_simple_dse): Remove stores with zero size.
6133 2009-01-24 Jakub Jelinek <jakub@redhat.com>
6136 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6139 2009-01-24 Julian Brown <julian@codesourcery.com>
6141 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6142 config/arm/linux-atomic.c.
6143 * config/arm/linux-atomic.c: New.
6145 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
6147 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6148 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6149 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6151 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
6154 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6157 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
6159 PR tree-optimization/38953
6160 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6161 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6162 (gloog): Split the exit of the scop when the scop exit is a loop exit.
6163 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6166 2009-01-24 Paul Brook <paul@codesourcery.com>
6168 * config/arm/neon.md (neon_type): Move to arm.md.
6169 (neon_mov<VSTRUCT>): Add neon_type attribute.
6170 * config/arm/arm.md (neon_type): Move to here.
6171 (conds): Add "unconditioal" and use as default for NEON insns.
6173 2009-01-24 Ben Elliston <bje@au.ibm.com>
6175 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6176 void *' warning from -Wc++-compat.
6177 * Makefile.in (dominance.o-warn): Remove.
6179 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
6181 PR tree-optimization/38932
6182 * fold-const.c (fold_unary_ignore_overflow): New.
6183 * tree.h (fold_unary_ignore_overflow): Declare.
6184 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6185 * tree-ssa-sccvn.c (visit_reference_op_load,
6186 simplify_unary_expression): Likewise.
6188 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
6190 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6191 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
6192 regardless of their type.
6193 * c-common.c (handle_packed_attribute): Don't ignore packed on
6195 * c.opt (Wpacked-bitfield-compat): New warning option.
6196 * stor-layout.c (place_field): Warn if offset of a field changed.
6197 * doc/extend.texi (packed): Mention the ABI change.
6198 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6199 (Warning Options): Add it to the list.
6201 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
6203 * c-opts.c (c_common_post_options): Fix a typo in comments.
6205 2009-01-22 Steve Ellcey <sje@cup.hp.com>
6208 * gimplify.c (gimplify_init_constructor): Fix promotion of const
6209 variables to static.
6210 * doc/invoke.texi (-fmerge-all-constants): Update description.
6212 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
6215 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6216 (*movdi_1_rex64): Use type "mmx" for alternative 5.
6218 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
6220 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6222 (LOCAL_ALIGNMENT): Similarly.
6224 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6225 Joseph Myers <joseph@codesourcery.com>
6227 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6228 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6229 * config/arm/arm-tune.md: Regenerate.
6230 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6233 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6235 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6236 version number to five.
6238 2009-01-22 Dodji Seketeli <dodji@redhat.com>
6241 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6242 * c-common.c (set_underlying_type): Likewise.
6243 (is_typedef_decl ): Likewise
6245 (set_underlying_type): Likewise.
6246 (is_typedef_type): Likewise.
6248 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
6251 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6254 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6257 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
6258 (LIBGCC_SPEC): Don't define.
6259 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
6261 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
6263 PR rtl-optimization/38879
6264 * alias.c (base_alias_check): Unaligned access via AND address can
6265 alias all surrounding object types except those with sizes equal
6266 or wider than the size of unaligned access.
6268 2009-01-21 Dodji Seketeli <dodji@redhat.com>
6271 * c-decl.c (clone_underlying_type): Move this ...
6272 * c-common.c (set_underlying_type): ... here.
6273 Also, make sure the function properly sets TYPE_STUB_DECL() on
6274 the newly created typedef variant type.
6275 (is_typedef_decl ): New entry point.
6276 * tree.h: Added a new member member_types_needing_access_check to
6277 struct tree_decl_non_common.
6278 (set_underlying_type): New entry point.
6279 (is_typedef_type): Likewise.
6281 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
6283 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6284 Check whether two instructions have memory references that
6285 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
6286 are helper functions for traversing.
6287 * alias.h (insn_alias_sets_confilict_p): New prototypes.
6288 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6289 not to draw dependency edge for instructions with non-conflicting
6292 2009-01-20 Joseph Myers <joseph@codesourcery.com>
6295 * longlong.h: Update copyright years. Use soft-fp license notice.
6296 Sync __clz_tab declaration with glibc.
6298 2009-01-20 Steve Ellcey <sje@cup.hp.com>
6301 * doc/extend.texi (syscall_linkage): New.
6302 (version_id): Modify.
6304 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
6305 Richard Guenther <rguenther@suse.de>
6307 PR tree-optimization/38747
6308 PR tree-optimization/38748
6309 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6310 conversion if the base address is an indirect reference and the
6311 aliasing sets could cause issues.
6313 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6315 * common.opt (fgraphite, fgraphite-identity): Add comment for
6316 explaining why these options are not documented.
6318 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6320 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6321 gimple_call_lhs is NULL.
6323 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
6326 * emit-rtl.c (adjust_address_1): Make sure memref is never
6329 2009-01-20 Ben Elliston <bje@au.ibm.com>
6331 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6332 const qualifier from arg parameter. Remove unnecessary cast to char *.
6333 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6334 const qualifier from arg 2.
6336 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6338 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6340 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
6343 * rtl.h (reinit_regs): New prototype.
6344 * regclass.c: Include ira.h.
6346 * Makefile.in (regclass.o): Add ira.h.
6347 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6349 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6352 * c-common.c (handle_aligned_attribute): Use
6353 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6354 default alignment value.
6356 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6358 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6359 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6361 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6362 __BIGGEST_ALIGNMENT__.
6364 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6366 2009-01-18 Richard Guenther <rguenther@suse.de>
6368 PR tree-optimization/38819
6369 * tree-flow.h (operation_could_trap_helper_p): Declare.
6370 * tree-eh.c (operation_could_trap_helper_p): Export.
6371 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6372 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6373 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6374 are about to insert a possibly trapping instruction and fail
6377 2009-01-18 Andreas Schwab <schwab@suse.de>
6379 * doc/install.texi (Configuration): Remove obsolete paragraph
6380 about use of --with-gnu-ld with --with-gnu-as.
6382 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6384 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6385 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6386 Follow spelling conventions.
6388 2009-01-18 Ben Elliston <bje@au.ibm.com>
6390 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6391 C++ warning about implicit conversion from void * to struct
6393 (bitmap_obstack_free): Likewise for bitmap_element *.
6394 * Makefile.in (bitmap.o-warn): Remove.
6396 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6398 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6400 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6401 Tobias Grosser <tobi.grosser@amd.com>
6403 * graphite.c (graphite_trans_scop_block): Do not block single
6406 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6408 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6409 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6410 test with assertion.
6412 2009-01-16 Richard Guenther <rguenther@suse.de>
6414 PR tree-optimization/38835
6416 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6417 and INT + PTR -> (INT)(PTR p+ INT) folding.
6418 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6420 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6423 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6424 the subreg from a lowpart subreg if it is also casting the value.
6426 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6427 Tobias Grosser <tobi.grosser@amd.com>
6429 * graphite.c (compare_prefix_loops): New.
6430 (build_scop_canonical_schedules): Rewritten.
6431 (graphite_transform_loops): Move build_scop_canonical_schedules
6432 after build_scop_iteration_domain.
6434 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6435 Tobias Grosser <tobi.grosser@amd.com>
6437 * graphite.c (add_conditions_to_domain): Add the loops to
6438 the dimension of the iteration domain. Do copy the domain
6439 only when it exists.
6440 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6441 (add_conditions_to_constraints): New.
6442 (can_generate_code_stmt, can_generate_code): Removed.
6443 (gloog): Do not call can_generate_code.
6444 (graphite_transform_loops): Call add_conditions_to_constraints
6445 after building the iteration domain.
6447 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6449 PR tree-optimization/38789
6450 * tree-ssa-threadedge.c
6451 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6452 __builtin_constant_p.
6454 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6456 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6457 examined before deleting them.
6459 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6461 * function.c (aggregate_value_p): Correctly extract the function
6462 type from CALL_EXPR_FN lookup.
6464 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6466 * config/picochip/picochip.c (picochip_override_options): Revert
6467 CFI asm flag disable commited previously.
6469 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6470 Tobias Grosser <tobi.grosser@amd.com>
6471 Jan Sjodin <jan.sjodin@amd.com>
6473 * graphite.c (scan_tree_for_params): On substractions negate
6474 all the coefficients of the term.
6475 (clast_to_gcc_expression_red): New. Handle reduction expressions
6476 of more than two operands.
6477 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6478 (get_vdef_before_scop): Handle also the case of default definitions.
6480 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6482 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6483 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6484 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6486 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6487 Joey Ye <joey.ye@intel.com>
6490 * cfgexpand.c (expand_stack_alignment): Don't update stack
6491 boundary nor check incoming stack boundary here.
6492 (gimple_expand_cfg): Update stack boundary and check incoming
6493 stack boundary here.
6495 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6497 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6499 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6501 PR rtl-optimization/38245
6502 * calls.c (expand_call): Add stack arguments to
6503 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6504 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6505 in regs and partially in memory or BLKmode arguments.
6506 (emit_library_call_value_1): Add stack arguments to
6507 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6508 ACCUMULATE_OUTGOING_ARGS).
6509 * dce.c: Include tm_p.h.
6510 (find_call_stack_args): New function.
6511 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6513 (mark_insn): Call find_call_stack_args for CALL_Ps.
6514 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6515 forwards. Allocate and free arg_stores bitmap if needed, pass it
6516 down to deletable_insn_p, don't mark stores set in arg_stores
6517 bitmap, clear the bitmap at the beginning of each bb.
6518 * Makefile.in (dce.o): Depend on $(TM_P_H).
6520 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6523 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6524 to make sure the insn is a conditional test (bug 22599). Reformat a
6527 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6530 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6531 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6532 (gloog): Do not call cleanup_tree_cfg.
6533 (graphite_transform_loops): Call cleanup_tree_cfg after all
6534 scops have been code generated.
6536 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6537 * doc/gty.texi (Invoking the garbage collector): Added new node
6538 and section documenting ggc_collect.
6540 2009-01-14 Richard Guenther <rguenther@suse.de>
6542 PR tree-optimization/38826
6544 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6545 initialization notes only if we actually emitted a warning.
6546 (intra_create_variable_infos): Add constraints for a result decl
6547 that is passed by hidden reference.
6548 (build_pred_graph): Mark all related variables non-direct on
6551 2009-01-14 Nick Clifton <nickc@redhat.com>
6553 * ira-conflicts.c: Include addresses.h for the definition of
6555 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6556 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6558 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6561 * Makefile.in (ira-lives.o): Add except.h.
6563 * ira-lives.c: Include except.h.
6564 (process_bb_node_lives): Process can_throw_internal.
6566 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6568 PR rtl-optimization/38774
6569 * combine.c (simplify_set): When undoing cc_use change, don't do
6570 PUT_CODE on the newly created comparison, but instead put back the
6573 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6575 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6576 values. Remove duplicate arm8 entry.
6578 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6580 PR tree-optimization/38786
6581 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6582 the SSA_NAME case of expand_scalar_variables_expr.
6583 Set the type of an expression to the type of its assign statement.
6584 (expand_scalar_variables_expr): Also gather the scalar computation
6585 used to index the memory access. Do not pass loop_p.
6586 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6587 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6588 the gimple_stmt_iterator where it inserts new code.
6590 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6591 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6593 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6595 * graphite.h (debug_value): Removed.
6596 * graphite.c (debug_value): Removed.
6598 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6600 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6601 ldrd/strd with two 32-bit instructions.
6603 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6605 * config/arm/arm.c (struct processors): Pass for speed down into
6606 cost helper functions.
6607 (const_ok_for_op): Handle COMPARE and inequality nodes.
6608 (arm_rtx_costs_1): Rewrite.
6609 (arm_size_rtx_costs): Update prototype.
6610 (arm_rtx_costs): Pass speed down to helper functions.
6611 (arm_slowmul_rtx_costs): Rework cost calculations.
6612 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6613 (arm_9e_rtx_costs): Likewise.
6615 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6617 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6618 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6619 (alpha_legitimize_address): Do not split local symbols wider than
6620 UNITS_PER_WORD into HIGH/LO_SUM parts.
6622 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6625 * gcc.c (process_command): Replace call to execvp with calls
6626 to pex_one and exit.
6628 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6631 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6632 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6633 variant for devices with 3-byte PC.
6634 (__tablejump_elpm__): New.
6636 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6639 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6640 offsetof member-designator, handle it as `[0].'.
6642 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6644 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6645 function when not using named sections on targets with named sections
6646 if branch distance is less than 262132.
6648 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6650 * combine.c (combine_instructions): Recompute
6651 optimize_this_for_speed_p for each BB in the main combine loop.
6653 2009-01-12 Tomas Bily <tbily@suse.cz>
6656 * tree-loop-distribution.c (prop_phis): New function.
6657 (generate_builtin): Call prop_phis.
6658 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6660 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6662 PR tree-optimization/38807
6663 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6664 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6666 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6668 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6669 subreg of op0 to the original op0.
6671 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6673 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6675 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6678 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6679 starting with digits.
6681 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6684 * config/arm/arm.c (arm_is_long_call_p): Don't call
6685 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6687 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6689 * regrename.c (regrename_optimize): Fix dumping.
6690 (find_oldest_value_reg): Preserve REG_POINTER.
6691 (copy_hardreg_forward_1): Likewise.
6693 2009-01-09 Diego Novillo <dnovillo@google.com>
6695 * gimple.h (struct gimple_statement_base) <uid>: Document
6696 the restrictions on its use.
6698 (gimple_set_uid): Tidy.
6700 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6702 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6703 zero guard even if align_bytes != 0 and count is smaller than
6706 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6708 PR rtl-optimization/38495
6709 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6710 (add_range_and_copies_from_move_list): Print all added ranges.
6711 Add ranges to memory optimized destination.
6713 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6717 * config/i386/i386.c (override_options): Reject
6718 -mstringop-strategy=rep_8byte with -m32.
6719 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6720 to 1. Do count comparison against epilogue_size_needed at compile
6721 time even when count_exp was constant forced into register. For
6722 size_needed don't jump to epilogue, instead just avoid aligning
6723 and invoke the body algorithm. If need_zero_guard, add zero guard
6724 even if count is non-zero, but smaller than size_needed + number of
6725 bytes that could be stored for alignment.
6726 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6727 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6728 but smaller than size_needed + number of bytes that could be stored
6729 for alignment. Compare size_needed with epilogue_size_needed instead
6730 of desired_align - align, don't adjust size_needed, pass
6731 epilogue_size_needed to the epilogue expanders.
6734 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6736 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6738 * pa.c (last_address): Change to unsigned.
6739 (update_total_code_bytes): Change argument to unsigned. Don't
6740 check if insn addresses are set.
6741 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6742 addresses are not set.
6743 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6745 2009-01-09 Nick Clifton <nickc@redhat.com>
6747 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6748 DECL_DECLARED_INLINE_P.
6750 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6753 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6754 GET_MODE (op0) in operand_subword_force calls.
6757 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6758 fold_convert arg0 operands to TREE_TYPE (op0) first.
6760 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6762 * params.def (ira-max-conflict-table-size): Decrease default value
6765 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6767 PR tree-optimization/37031
6768 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6770 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6771 allocate it using gc instead of heap, use VEC_quick_push instead of
6773 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6774 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6775 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6776 allocated vector from heap allocated.
6777 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6778 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6779 vector only after perfect_loop_nest_depth call.
6781 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6782 Jan Sjodin <jan.sjodin@amd.com>
6784 PR tree-optimization/38559
6785 * graphite.c (debug_value, copy_constraint,
6786 swap_constraint_variables, scale_constraint_variable, ): New.
6787 (get_lower_bound, get_upper_bound): Removed.
6788 (graphite_trans_bb_strip_mine): Clean up this code that works
6789 only for constant number of iterations. Fully copy upper and
6790 lower bound constraints, not only the constant part of them.
6791 * graphite.h (debug_value): Declared.
6793 2009-01-08 Ira Rosen <irar@il.ibm.com>
6795 PR tree-optimization/37194
6796 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6797 Don't add the cost of cost model guard in prologue to scalar
6798 outside cost in case of known number of iterations.
6800 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6801 Alan Modra <amodra@bigpond.net.au>
6803 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6804 non-word-aligned REG+CONST addressing.
6806 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6809 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6810 free_after_compilation when outputting a thunk.
6811 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6812 Do not call free_after_compilation here.
6814 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6816 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6817 (ix86_valid_target_attribute_inner_p): Ditto.
6819 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6821 PR tree-optimization/38492
6822 PR tree-optimization/38498
6823 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6824 * tree-chrec.h (scev_is_linear_expression): Declared.
6825 * graphite.c (graphite_cannot_represent_loop_niter): New.
6826 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6827 (graphite_loop_normal_form): Use gcc_assert.
6828 (scan_tree_for_params): Use CASE_CONVERT.
6829 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6830 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6831 Use gcc_assert. Discard scops that contain unhandled cases.
6832 (build_scop_conditions): Return a boolean status for unhandled cases.
6833 (strip_mine_profitable_p): Print the loop number, not its depth.
6834 (is_interchange_valid): Pass the depth of the loop nest, don't
6835 recompute it wrongly.
6836 (graphite_trans_bb_block): Same.
6837 (graphite_trans_bb_block): Print tentative of loop blocking.
6838 (graphite_trans_scop_block): Do not print that the loop has been
6840 (graphite_transform_loops): Do not handle scops that contain condition
6843 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6845 AVX Programming Reference (December, 2008)
6846 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6847 (_mm256_stream_pd): Likewise.
6848 (_mm256_stream_ps): Likewise.
6850 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6851 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6852 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6853 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6854 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6855 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6856 (ix86_expand_special_args_builtin): Likewise.
6858 * config/i386/sse.md (AVXMODEDI): New.
6859 (avx_movnt<mode>): Likewise.
6860 (avx_movnt<mode>): Likewise.
6861 (<sse>_movnt<mode>): Remove AVX support.
6862 (sse2_movntv2di): Likewise.
6864 2009-01-07 Richard Guenther <rguenther@suse.de>
6867 * fold-const.c (extract_muldiv): Remove obsolete comment.
6868 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6869 to PLUS_EXPR canonicalization for the canonicalization.
6871 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6873 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6874 hosted cross-compilers generating less efficient code.
6876 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6878 * function.h (rtl_data): Add a dbr_scheduled_p field.
6879 * reorg.c (dbr_schedule): Set it.
6880 (gate_handle_delay_slots): Check it.
6881 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6882 (mips_reorg): Check flag_delayed_branch instead of
6883 mips_base_delayed_branch.
6884 (mips_override_options): Don't set mips_base_delayed_branch
6885 or flag_delayed_branch.
6887 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6889 PR rtl-optimization/38426.
6890 * ira.c (ira): Set current_function_is_leaf earlier.
6892 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6894 PR rtl-optimization/38722
6895 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6896 too early, only set a flag and modify after last possible
6899 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6902 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6903 * real.c (decimal_single_format): Correct values of emin and emax.
6904 (decimal_double_format): Ditto.
6905 (decimal_quad_format): Ditto.
6906 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6907 computation of DECnn_MIN and DECnn_MAX for corrected values of
6908 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6909 __DECnn_MIN__, and adjust its computation for the corrected value
6912 2009-01-06 Jan Hubicka <jh@suse.cz>
6915 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6917 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6919 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6920 Add Robert Clark to the list of testers.
6922 2009-01-06 Jan Hubicka <jh@suse.cz>
6923 Kai Tietz <kai.tietz@onevision.com>
6925 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6926 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6928 2009-01-06 Jan Hubicka <jh@suse.cz>
6929 Kai Tietz <kai.tietz@onevision.com>
6931 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6933 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6934 (ix86_nsaved_regs): Count only general purpose regs.
6935 (ix86_nsaved_sseregs): New.
6936 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6937 to 16 for w64; compute padding and size of sse reg save area.
6938 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6939 general purpose regs.
6940 (ix86_emit_save_sse_regs_using_mov): New.
6941 (ix86_expand_prologue): Save SSE regs if needed.
6942 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6943 (ix86_emit_restore_sse_regs_using_mov): New.
6944 (ix86_expand_epilogue): Save SSE regs if needed.
6946 2009-01-06 Jan Hubicka <jh@suse.cz>
6947 Kai Tietz <kai.tietz@onevision.com>
6949 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6950 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6951 functions when accumulate outgoing args is off.
6953 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6956 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6957 before using pseudos_have_intersected_live_ranges_p.
6959 * ira-int.h (ira_assert): Always define.
6961 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6963 AVX Programming Reference (December, 2008)
6964 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6965 (_mm256_permute2_pd): Likewise.
6966 (_mm_permute2_ps): Likewise.
6967 (_mm256_permute2_ps): Likewise.
6968 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6969 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6971 * config/i386/i386.c (ix86_builtins): Remove
6972 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6973 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6974 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6975 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6976 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6977 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6978 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6979 __builtin_ia32_vpermil2ps256.
6980 (ix86_init_mmx_sse_builtins): Updated.
6981 (ix86_expand_args_builtin): Likewise.
6983 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6985 * pa.c (output_call): Relocate non-jump insns in the delay slot of
6986 long absolute calls when generating PA 2.0 code.
6988 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
6990 PR rtl-optimization/38583
6991 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6993 * params.def (ira-max-conflict-table-size): New.
6995 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6997 * ira.h (ira_conflicts_p): New external definition.
6999 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7000 table. Report this. Return result of building.
7001 (ira_build_conflicts): Use ira_conflicts_p. Check result of
7002 building conflict table.
7004 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7005 (ira_color): Use ira_conflicts_p.
7007 * global.c: Include ira.h.
7008 (pseudo_for_reload_consideration_p, build_insn_chain): Use
7011 * Makefile.in (global.o): Add ira.h.
7013 * ira-build.c (mark_all_loops_for_removal,
7014 propagate_some_info_from_allocno): New.
7015 (remove_unnecessary_allocnos): Call
7016 propagate_some_info_from_allocno.
7017 (remove_low_level_allocnos): New.
7018 (remove_unnecessary_regions): Add parameter. Call
7019 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
7020 parameter to remove_unnecessary_regions.
7021 (ira_build): Remove all regions but root if the conflict table was
7022 not built. Update conflict hard regs for allocnos crossing calls.
7024 * ira.c (ira_conflicts_p): New global.
7025 (ira): Define and use ira_conflicts_p.
7027 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7028 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7029 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7031 2009-01-06 Ben Elliston <bje@au.ibm.com>
7033 * gengtype-lex.l (YY_NO_INPUT): Define.
7035 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
7038 * c-common.c (handle_vector_size_attribute): Also reject
7041 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
7043 PR tree-optimization/38492
7044 * graphite.c (rename_map_elt, debug_rename_elt,
7045 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7046 rename_map_elt_info, eq_rename_map_elts,
7047 get_new_name_from_old_name, bb_in_sese_p): Moved around.
7048 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7049 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7050 (sese_build_livein_liveouts): New.
7051 (new_sese, free_sese): New.
7052 (new_scop): Call new_sese.
7053 (free_scop): Call free_sese.
7054 (rename_variables_from_edge, rename_phis_end_scop): Removed.
7055 (register_old_new_names): Renamed register_old_and_new_names.
7056 (register_scop_liveout_renames, add_loop_exit_phis,
7057 insert_loop_close_phis, struct igp,
7058 default_liveout_before_guard, add_guard_exit_phis,
7059 insert_guard_phis, copy_renames): New.
7060 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7061 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7062 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7063 (scop_adjust_phis_for_liveouts): New.
7064 (gloog): Call scop_adjust_phis_for_liveouts.
7066 * graphite.h (struct sese): Documented. Added fields liveout,
7068 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7069 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7070 (struct scop): Added field liveout_renames.
7071 (SCOP_LIVEOUT_RENAMES): New.
7073 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7075 PR tree-optimization/38510
7076 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7077 (translate_clast): Call recompute_all_dominators before
7079 (gloog): Call recompute_all_dominators before graphite_verify.
7081 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7082 Jan Sjodin <jan.sjodin@amd.com>
7084 PR tree-optimization/38500
7085 * graphite.c (create_sese_edges): Call fix_loop_structure after
7088 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
7090 * config.gcc: Add m32r*-*-rtems*.
7091 * config/m32r/rtems.h: New file.
7093 2009-01-05 Ben Elliston <bje@au.ibm.com>
7095 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7096 (.po.pox): Likewise.
7097 (po/gcc.pot): Likewise.
7099 2009-01-04 David S. Miller <davem@davemloft.net>
7101 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7102 (STARTING_FRAME_OFFSET): Always set to zero.
7104 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7106 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7107 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7108 fixed-point types, and vectors of the same.
7110 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7112 * config/mips/sync.md (*mb_barrier): Rename to...
7113 (*memory_barrier): ...this.
7115 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
7117 * doc/extend.texi (Function Attributes): Move @cindex after @item
7118 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7119 and put in alphabetical order. Fix 'target' name and put in order.
7120 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7123 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
7125 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7126 (memory_barrier): Expand as unspec instead of unspec_volatile.
7127 Remove mem:BLK from insn operands. Use Pmode scratch register.
7128 (*memory_barrier): Define as unspec instead of unspec_volatile.
7129 Use (match_dup 0) as input operand.
7131 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7132 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7133 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
7134 scratch register. Remove operand 1.
7135 (*stbar): Define as unspec instead of unspec_volatile.
7136 Use (match_dup 0) as input operand, remove (const_int 8).
7137 (*membar): Define as unspec instead of unspec_volatile.
7138 Use (match_dup 0) as input operand, remove input operand 2.
7140 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7141 (memory_barrier): Expand as unspec instead of unspec_volatile.
7142 Remove mem:BLK from insn operands. Use Pmode scratch register.
7143 (*memory_barrier): Define as unspec instead of unspec_volatile.
7144 Use (match_dup 0) as input operand.
7146 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7147 Remove mem:BLK from insn operands. Use Pmode scratch register.
7148 Set volatile flag on operand 0.
7149 (*memory_barrier): New insn pattern.
7151 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7153 (*memory_barrier): Use (match_dup 0) as input operand.
7155 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7156 Remove mem:BLK from insn operands. Use Pmode scratch register.
7157 Set volatile flag on operand 0.
7158 (*mb_internal): New insn pattern.
7160 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7162 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7165 * function.c (struct temp_slot): Move to the section of the file
7166 that deals with temp slots. Remove field 'address'.
7167 (temp_slot_address_table): New hash table of address -> temp slot.
7168 (struct temp_slot_address_entry): New struct, items for the table.
7169 (temp_slot_address_compute_hash, temp_slot_address_hash,
7170 temp_slot_address_eq, insert_temp_slot_address): Support functions
7172 (find_temp_slot_from_address): Rewrite to use the new hash table.
7173 (remove_unused_temp_slot_addresses): Remove addresses of temp
7174 slots that have been made available.
7175 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7176 worker function for remove_unused_temp_slot_addresses.
7177 (assign_stack_temp_for_type): Don't clear the temp slot address list.
7178 Add the temp slot address to the address -> temp slot map.
7179 (update_temp_slot_address): Update via insert_temp_slot_address.
7180 (free_temp_slots): Call remove_unused_temp_slot_addresses.
7181 (pop_temp_slots): Likewise.
7182 (init_temp_slots): Allocate the address -> temp slot map, or empty
7183 the map if it is already allocated.
7184 (prepare_function_start): Initialize temp slot processing.
7186 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7189 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7190 Calculate the size of all stack vars assuming no packing of stack
7191 vars will happen, replacing a quadratic algorithm with a linear one.
7193 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7196 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7199 2009-01-03 Diego Novillo <dnovillo@google.com>
7201 * doc/contrib.texi: Update contributions.
7203 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7206 * builtins.c (fold_builtin_memory_op): Give up if either operand
7207 is volatile. Set srctype or desttype to non-qualified version
7211 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7214 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
7216 PR rtl-optimization/35805
7217 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7218 problem if fast dce is able to remove any instructions.
7219 * dce.c (dce_process_block): Fix dump message.
7221 2009-01-02 Mark Mitchell <mark@codesourcery.com>
7224 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7226 2009-01-02 Jakub Jelinek <jakub@redhat.com>
7229 * tree-flow.h (op_code_prio, op_prio): New prototypes.
7230 * tree-pretty-print.c (op_code_prio): New function.
7231 (op_prio): No longer static. Use op_code_prio.
7232 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7233 Use op_prio and op_code_prio to determine if () should be
7234 printed around operand(s) or not.
7236 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7237 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7238 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7239 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7240 pp_character instead of pp_string for single letter printing.
7242 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7244 * doc/extend.texi: Fix '#pragma GCC option' typo.
7246 2009-01-02 Richard Guenther <rguenther@suse.de>
7248 * doc/install.texi (--enable-checking): Mention different
7250 (--enable-stage1-checking): Document.
7252 2009-01-01 Andrew Pinski <pinskia@gmail.com>
7255 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
7256 case to be an error.
7258 2009-01-02 Ben Elliston <bje@au.ibm.com>
7260 * config/fp-bit.h (pack_d): Constify argument.
7261 * config/fp-bit.c (makenan): Constify return type. Remove casts.
7262 (isnan): Constify argument.
7266 (_fpadd_parts): Constify return type.
7267 (_fpmul_parts): Likewise.
7268 (_fpdiv_parts): Likewise.
7270 2009-01-01 Jakub Jelinek <jakub@redhat.com>
7273 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
7274 warn about overwriting initializer with side-effects or
7275 -Woverride-init if !IMPLICIT.
7276 (output_init_element): Likewise. Pass IMPLICIT down to
7278 (process_init_element): Add IMPLICIT argument. Pass it down
7279 to output_init_element.
7280 (push_init_element, pop_init_level, set_designator): Adjust
7281 process_init_element callers.
7282 (set_nonincremental_init, set_nonincremental_init_from_string):
7283 Adjust add_pending_init callers.
7284 (output_pending_init_elements): Adjust output_init_element callers.
7285 * c-tree.h (process_init_element): Adjust prototype.
7286 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7287 process_init_element callers.