1 2009-04-16 Joseph Myers <joseph@codesourcery.com>
3 * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
5 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
7 * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
10 2009-04-16 Kaz Kojima <kkojima@gcc.gnu.org>
13 * config/sh/predicates.md (arith_operand): Check if the operand
16 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
18 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
19 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
21 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
23 * tree-iterator.c (tsi_split_statement_list_after,
24 tsi_split_statement_list_before): Remove.
25 * tree-iterator.h: Remove the prototypes for
26 tsi_split_statement_list_after and
27 tsi_split_statement_list_before.
29 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
31 * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
32 * tree-ssa-propagate.h: Remove the prototype for
33 stmt_makes_single_load.
35 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
37 * emit-rtl.c (set_mem_attrs_from_reg): Remove.
38 * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
40 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
42 * tree-iterator.c (EXPR_LAST_BODY): Remove.
44 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
46 * except.c (eh_region_outer_p): Remove.
47 * except.h: Remove the prototype for eh_region_outer_p.
49 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
51 * function.c (current_function_assembler_name): Remove.
52 * function.h: Remove the prototype for
53 current_function_assembler_name.
55 2009-04-16 Ian Lance Taylor <iant@google.com>
57 * rtlanal.c (alloc_reg_note): New function, broken out of
59 (add_reg_note): Call alloc_reg_note.
60 * rtl.h (alloc_reg_note): Declare.
61 * combine.c (try_combine): Use alloc_reg_note.
62 (recog_for_combine, move_deaths): Likewise.
63 (distribute_notes): Use alloc_reg_note and add_reg_note.
64 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
65 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
66 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
68 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
70 PR rtl-optimization/39762
71 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
72 ira_may_move_out_cost): Add comments about way of their usage.
73 (ira_get_register_move_cost, ira_get_may_move_cost): New
76 * ira-conflicts.c (process_regs_for_copy): Use function
77 ira_get_register_move_cost instead of global
78 ira_register_move_cost.
80 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
81 color_pass, move_spill_restore, update_curr_costs): Ditto.
83 * ira-lives.c (process_single_reg_class_operands): Ditto.
85 * ira-emit.c (emit_move_list): Ditto.
87 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
88 (record_reg_classes): Ditto. Use functions
89 ira_get_register_move_cost and ira_get_may_move_cost instead of
90 global vars ira_register_move_cost, ira_may_move_out_cost and
92 (record_address_regs): Don't call ira_init_register_move_cost.
93 Use function ira_get_may_move_cost instead of global
95 (process_bb_node_for_hard_reg_moves): Use function
96 ira_get_register_move_cost instead of global
97 ira_register_move_cost.
98 (ira_costs): Don't call ira_init_register_move_cost.
100 2009-04-16 Richard Guenther <rguenther@suse.de>
102 * tree-cfg.c (verify_gimple_assign_binary):
103 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
104 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
105 (create_general_new_stmt): Note that this function is broken.
107 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
109 * common.opt (fhelp): Add Var(help_flag).
110 * gcc-plugin.h (plugin_info): Add help.
111 * plugin.c (plugin_name_args): Add help.
112 (register_plugin_info): Set plugin->help.
113 (print_help_one_plugin): New.
114 (print_plugins_help): New.
115 * plugin.h (print_plugins_help): New.
116 * toplev.c (toplev_main): Call print_plugins_help if needed.
118 2009-04-16 Richard Guenther <rguenther@suse.de>
120 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
121 (gimple_ior_addresses_taken_1): New function.
122 (gimple_ior_addresses_taken): Likewise.
123 * gimple.h (struct gimple_statement_with_ops_base): Remove
124 addresses_taken member.
125 (gimple_ior_addresses_taken): Declare.
126 (gimple_addresses_taken, gimple_addresses_taken_ptr,
127 gimple_set_addresses_taken): Remove.
128 * ipa-reference.c (mark_address): New function.
129 (scan_stmt_for_static_refs): Use it for marking addresses taken.
130 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
131 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
132 (gimple_add_to_addresses_taken): Remove.
133 (get_tmr_operands): Call mark_address_taken.
134 (get_asm_expr_operands): Likewise.
135 (get_expr_operands): Likewise.
136 (build_ssa_operands): Do not clear the addresses_taken bitmap.
137 (free_stmt_operands): Do not free it.
138 * tree-ssa.c (delete_tree_ssa): Likewise.
139 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
141 2009-04-16 Richard Guenther <rguenther@suse.de>
143 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
144 (walk_stmt_load_store_ops): Likewise.
145 * gimple.c (get_base_loadstore): New function.
146 (walk_stmt_load_store_addr_ops): Likewise.
147 (walk_stmt_load_store_ops): Likewise.
148 * ipa-pure-const.c (check_op): Simplify.
149 (check_load, check_store): New functions.
150 (check_stmt): Use walk_stmt_load_store_ops.
151 * ipa-reference.c (mark_load): Adjust signature.
152 (mark_store): Likewise.
153 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
155 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
157 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
159 * opts.c (common_handle_option): Don't call print_version.
160 * plugin.c (plugin_name_args): Add version.
161 (register_plugin_info): New.
162 (register_callback): Handle PLUGIN_INFO.
163 (try_init_one_plugin): New.
164 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
166 (finalize_one_plugin): New.
167 (finalize_plugins): New.
168 (print_one_plugin): New.
169 (print_plugins_versions): New.
170 * plugin.h (print_plugins_versions): New.
171 (finalize_plugins): New.
172 * toplev.c (compile_file): Don't call initialize_plugins.
173 (print_version): Call print_plugins_versions.
174 (toplev_main): Call initialize_plugins. Print version if needed.
175 Call finalize_plugins.
177 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
179 * common.opt (fversion): New.
180 * gcc.c (print_version): New.
181 (process_command): Don't print the version. Just set print_version.
182 (main): Print version. Call subprocesses if print_version and
183 verbose_flag are set.
184 * opts.c (common_handle_option): Handle OPT_fversion.
186 2009-04-16 Richard Guenther <rguenther@suse.de>
187 Ira Rosen <irar@il.ibm.com>
189 PR tree-optimization/39698
190 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
191 type of the reduction variable. Only generate the def if
194 * omp-low.c (expand_omp_for_generic): When converting to a pointer
195 make sure to first convert to an integer of the same precision.
196 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
197 the type of the evolution correctly in computing the new
198 induction variable base.
200 2009-04-16 Richard Guenther <rguenther@suse.de>
203 * tree-cfg.c (make_blocks): Split statements with to-be
204 abnormal SSA names on the lhs.
206 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
208 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
209 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
210 * c-typeck.c (really_start_incremental_init): Likewise.
211 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
212 (TARGET_INITIALIZER): Remove it.
213 * target.h (struct target): Remove vector_opaque_p.
214 * tree.c (build_opaque_vector_type): New.
215 * tree.h (TYPE_VECTOR_OPAQUE): New.
216 (build_opaque_vector_type): Declare.
217 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
218 * config/rs6000/rs6000.c (build_opaque_vector_type,
219 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
220 (rs6000_init_builtins): Use build_opaque_vector_type for
221 opaque_V4SI_type_node.
223 2009-04-15 Catherine Moore <clm@codesourcery.com>
225 * debug.h (set_name): Declare.
226 * dwarf2out.c (dwarf2out_set_name): Declare.
227 (dwarf2_debug_hooks): Add set_name.
228 (find_AT_string): New.
229 (add_AT_string): Call find_AT_string.
230 (dwarf2out_set_name): New.
231 * cp/decl.c (grokdeclarator): Call set_name.
232 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
233 * debug.c (do_nothing_debug_hooks): Likewise.
234 * dbxout.c (dbx_debug_hooks): Likewise.
235 * sdbout.c (sdb_debug_hooks): Likewise.
237 2009-04-15 Michael Eager <eager@eagercon.com>
239 * config/rs6000/rs6000.c: rs6000_function_value: set function return
240 reg for single-precision FPU
241 * config/rs6000/rs6000.md: (movsi_internal1): only for !TARGET_SINGLE_FPU
242 (movsi_internal1_single): New: add pattern to move SI values to/from
243 single-precision FP regs.
245 2009-04-15 Richard Guenther <rguenther@suse.de>
247 * omp-low.c (lower_rec_input_clauses): Build correct address
249 (expand_omp_for_generic): Fix multiplication type.
250 * tree-loop-distribution.c (build_size_arg): Build a
252 (generate_memset_zero): Fix types.
253 * tree-profile.c (prepare_instrumented_value): Correctly
256 2009-04-15 Ian Lance Taylor <iant@google.com>
258 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
259 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
260 for -Wall and for -Wc++-compat.
261 (c_common_post_options): For C++, set warn_enum_compare if not
263 * c-tree.h (struct c_expr): Add field original_type.
264 (build_external_ref): Update declaration.
265 * c-parser.c (c_parser_braced_init): Set original_type.
266 (c_parser_initelt): Likewise.
267 (c_parser_expr_no_commas): Likewise.
268 (c_parser_conditional_expression): Likewise.
269 (c_parser_cast_expression): Likewise.
270 (c_parser_unary_expression): Likewise. Pull setting of
271 original_code to top of function.
272 (c_parser_sizeof_expression): Set original_type.
273 (c_parser_alignof_expression): Likewise.
274 (c_parser_postfix_expression): Likewise. Pull setting of
275 original_code to top of function.
276 (c_parser_postfix_expression_after_paren_type): Set
278 (c_parser_postfix_expression_after_primary): Likewise.
279 (c_parser_expression): Likewise.
280 * c-typeck.c (build_external_ref): Add type parameter. Change all
282 (c_expr_sizeof_expr): Set original_type field.
283 (parser_build_unary_op): Likewise.
284 (parser_build_binary_op): Likewise. Optionally warn about
285 comparisons of enums of different types.
286 (digest_init): Set original_type field.
287 (really_start_incremental_init): Likewise.
288 (push_init_level, pop_init_level): Likewise.
289 * doc/invoke.texi (Warning Options): -Wenum-compare now
292 2009-04-15 Richard Guenther <rguenther@suse.de>
294 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
295 out a necessary conversion.
296 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
297 names we didn't value number.
298 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
300 2009-04-15 Richard Guenther <rguenther@suse.de>
302 PR tree-optimization/39764
303 * tree-ssa-ccp.c (get_value): Canonicalize value with
304 canonicalize_float_value.
306 2009-04-15 Jan Hubicka <jh@suse.cz>
308 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
309 Wrong version of patch.
311 2009-04-15 Jan Hubicka <jh@suse.cz>
313 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
315 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
317 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
318 our distinct integral and vector types.
320 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
322 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
323 * init.c (build_vtbl_address): Remove call to assemble_external.
325 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
327 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
328 output for other floating point modes.
330 2009-04-14 Diego Novillo <dnovillo@google.com>
332 * diagnostic.c (diagnostic_report_diagnostic): Do not
333 warn about loaded plugins for DK_ERROR and DK_WARNING.
334 * c-decl.c (declspecs_add_type): Move call to
335 invoke_plugin_callbacks ...
336 * c-parser.c (c_parser_declspecs): ... here.
337 * plugin.c (dump_active_plugins): Tidy output.
339 2009-04-14 Diego Novillo <dnovillo@google.com>
340 Le-Chun Wu <lcwu@google.com>
342 * configure.ac: Add --enable-plugin support.
343 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
344 * Makefile.in (PLUGIN_H): Define.
345 Export ENABLE_PLUGIN and GMPINC to site.exp.
346 Add PLUGINLIBS to link command.
347 Add/modify dependencies for plugin.o and files including plugin.h.
349 * config.in: Regenerate.
351 * opts.c (common_handle_option): Handle OPT_fplugin_ and
354 2009-04-14 Le-Chun Wu <lcwu@google.com>
356 * tree-pass.h (register_one_dump_file): Add a prototype for
357 register_one_dump_file.
358 * toplev.c (compile_file): Call initialize_plugins.
359 (do_compile): Call invoke_plugin_callbacks.
360 (toplev_main): Call invoke_plugin_callbacks.
361 * common.opt: Add -fplugin= and -fplugin-arg-.
362 * gcc-plugin.h: New public header file for plugins to include.
363 * plugin.c: New source file.
364 * plugin.h: New internal header file.
365 * passes.c (register_one_dump_file): Make it external.
367 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
369 2009-04-14 Diego Novillo <dnovillo@google.com>
371 * doc/plugins.texi: New.
372 * doc/gccint.texi: Add reference to Plugins chapter.
373 * doc/invoke.texi: Document -fplugin and -fplugin-arg
374 * diagnostic.c (diagnostic_report_diagnostic): Warn about
375 loaded plugins, if any.
376 * timevar.def (TV_PLUGIN_INIT): Define.
377 (TV_PLUGIN_RUN): Define.
378 * plugin.c: Include timevar.h
379 (plugins_active_p): New.
380 (dump_active_plugins): New.
381 (debug_active_plugins): New.
383 2009-04-14 Joseph Myers <joseph@codesourcery.com>
385 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
387 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
389 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
391 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
392 the same as a minus without a shift.
394 2009-04-14 Nick Clifton <nickc@redhat.com>
396 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
397 comparisons with small integers will always produce a short
400 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
404 2008-12-19 Diego Novillo <dnovillo@google.com>
406 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
408 2000-04-14 Richard Guenther <rguenther@suse.de>
410 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
412 (verify_gimple_assign_binary): Likewise. Handle shifts and
414 (verify_gimple_phi): Print the mismatched argument position.
415 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
417 (vect_update_init_of_dr): Likewise.
418 * matrix-reorg.c (transform_access_sites): Do what the
420 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
422 2009-04-13 Michael Eager <eager@eagercon.com>
424 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
425 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
426 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
427 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
428 remove duplicate config
430 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
432 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
433 file_name:line_number type locator of the call site.
435 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
437 * genautomata.c: Put blank after comma.
438 (automaton_decls): New.
439 (struct unit_usage): Add comments to member next.
440 (store_alt_unit_usage): Keep the list ordered.
441 (unit_present_on_list_p, equal_alternatives_p): New.
442 (check_regexp_units_distribution): Check units distribution
443 correctness correctly.
444 (main): Don't write automata if error is found. Return correct
447 * config/m68k/cf.md (cfv4_ds): Remove.
448 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
449 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
451 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
452 power4-load-ext, power4-store, power4-store-update,
453 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
454 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
455 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
456 power4-sqrt, power4-isync): Modify reservation to make correct
457 unit distribution to automata.
459 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
460 power5-store-update, power5-two, power5-three, power5-lmul,
461 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
463 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
465 * except.c (pass_set_nothrow_function_flags): Set name and add
467 (set_nothrow_function_flags): Mention in the dump file when
468 changing a function to nothrow.
470 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
473 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
474 instead of unsigned long.
476 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
478 * config/arm/arm.c (return_used_this_function): Remove.
479 (arm_output_function_prologue): Remove use of
480 return_used_this_function.
481 (output_return_instruction): Replace use of
482 return_used_this_function
483 by cfun->machine->return_used_this_function.
484 (arm_output_epilogue): Likewise.
485 (arm_output_function_epilogue): Likewise.
486 (thumb_unexpanded_epilogue): Likewise.
487 * config/arm/arm.h (struct machine_function):
488 New member return_used_this_function.
490 2009-04-12 Mark Mitchell <mark@codesourcery.com>
492 * doc/install.texi: Correct description of default directory for
493 --with-gxx-include-dir.
495 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
497 * fold-const.c (build_range_check): Properly deal with enumeral and
500 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
502 * doc/invoke.texi (max_gcse_passes): Remove documentation.
503 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
504 * params.h (MAX_GCSE_PASSES): Remove.
505 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
506 in sequence. Remove ability to run multiple passes.
507 (bypass_jumps): Report run as third CPROP pass.
509 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
512 * except.c (can_throw_external): Look at each insn in a SEQUENCE
513 when deciding whether the whole SEQUENCE can throw.
515 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
518 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
519 offseted label references.
521 2009-04-11 Jan Hubicka <jh@suse.cz>
523 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
525 2009-04-11 Richard Guenther <rguenther@suse.de>
528 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
529 return variables as TREE_ADDRESSABLE.
531 2009-04-11 Richard Guenther <rguenther@suse.de>
533 PR tree-optimization/39713
534 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
535 reference trees have SSA_NAME operands.
537 2009-04-11 Richard Guenther <rguenther@suse.de>
540 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
543 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
545 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
546 match changes in Cygwin 1.7
547 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
548 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
550 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
552 PR tree-optimization/39701
553 * doc/invoke.texi (Optimization Options): Document change in
554 meaning and initialization of -fdelete-null-pointer-checks.
556 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
559 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
561 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
564 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
566 2009-04-10 Chao-ying Fu <fu@mips.com>
568 * doc/tm.texi (Instruction Output): Document
569 TARGET_ASM_FINAL_POSTSCAN_INSN.
570 * target.h (final_postscan_insn): New field in asm_out.
571 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
572 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
573 * final.c (final_scan_insn): Call
574 targetm.asm_out.final_postscan_insn after outputting
575 an asm macro and a normal instruction.
577 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
578 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
579 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
580 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
581 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
583 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
586 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
587 variables as non-NULL even with -fdelete-null-pointer-checks.
589 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
591 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
593 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
596 * config/i386/i386.c (classify_argument): Handle SCmode with
597 (bit_offset % 64) != 0.
599 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
601 * doc/invoke.texi (Optimize Options): Add cross-reference to
602 -Q --help=optimizers examples.
604 2009-04-10 Ben Elliston <bje@au.ibm.com>
607 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
608 regalign for the reg == fpr and TDmode case.
610 2009-04-09 David Ayers <ayers@fsfe.org>
613 * objc/objc-act.c (warn_with_method): Remove helper function.
614 (check_duplicates): Call warning and inform directly.
615 (really_start_method): Likewise.
617 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
619 * expmed.c (expand_divmod): Always use a comparison for a division
620 by a large unsigned integer.
622 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
623 for things others than variables or functions as nonzero.
625 2009-04-09 Nick Clifton <nickc@redhat.com>
627 * unwind-compat.c: Change copyright header to refer to version
628 3 of the GNU General Public License with version 3.1 of the
629 GCC Runtime Library Exception and to point readers at the
630 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
631 * config/alpha/crtfastmath.c: Likewise.
632 * config/alpha/linux-unwind.h: Likewise.
633 * config/alpha/qrnnd.asm: Likewise.
634 * config/alpha/vms-crt0-64.c: Likewise.
635 * config/alpha/vms-crt0.c: Likewise.
636 * config/alpha/vms-dwarf2.asm: Likewise.
637 * config/alpha/vms-dwarf2eh.asm: Likewise.
638 * config/alpha/vms-psxcrt0-64.c: Likewise.
639 * config/alpha/vms-psxcrt0.c: Likewise.
640 * config/alpha/vms_tramp.asm: Likewise.
641 * config/arc/initfini.c: Likewise.
642 * config/arc/lib1funcs.asm: Likewise.
643 * config/arm/bpabi-v6m.S: Likewise.
644 * config/arm/bpabi.S: Likewise.
645 * config/arm/bpabi.c: Likewise.
646 * config/arm/crti.asm: Likewise.
647 * config/arm/crtn.asm: Likewise.
648 * config/arm/ieee754-df.S: Likewise.
649 * config/arm/ieee754-sf.S: Likewise.
650 * config/arm/lib1funcs.asm: Likewise.
651 * config/arm/libunwind.S: Likewise.
652 * config/arm/linux-atomic.c: Likewise.
653 * config/arm/mmintrin.h: Likewise.
654 * config/arm/pr-support.c: Likewise.
655 * config/arm/unaligned-funcs.c: Likewise.
656 * config/arm/unwind-arm.c: Likewise.
657 * config/arm/unwind-arm.h: Likewise.
658 * config/avr/libgcc.S: Likewise.
659 * config/bfin/crti.s: Likewise.
660 * config/bfin/crtlibid.s: Likewise.
661 * config/bfin/crtn.s: Likewise.
662 * config/bfin/lib1funcs.asm: Likewise.
663 * config/bfin/linux-unwind.h: Likewise.
664 * config/cris/arit.c: Likewise.
665 * config/cris/cris_abi_symbol.c: Likewise.
666 * config/darwin-64.c: Likewise.
667 * config/darwin-crt2.c: Likewise.
668 * config/darwin-crt3.c: Likewise.
669 * config/darwin.h: Likewise.
670 * config/dbxelf.h: Likewise.
671 * config/dfp-bit.c: Likewise.
672 * config/dfp-bit.h: Likewise.
673 * config/elfos.h: Likewise.
674 * config/fixed-bit.c: Likewise.
675 * config/fixed-bit.h: Likewise.
676 * config/fp-bit.c: Likewise.
677 * config/fp-bit.h: Likewise.
678 * config/fr30/crti.asm: Likewise.
679 * config/fr30/crtn.asm: Likewise.
680 * config/fr30/lib1funcs.asm: Likewise.
681 * config/freebsd-spec.h: Likewise.
682 * config/frv/cmovd.c: Likewise.
683 * config/frv/cmovh.c: Likewise.
684 * config/frv/cmovw.c: Likewise.
685 * config/frv/frvbegin.c: Likewise.
686 * config/frv/frvend.c: Likewise.
687 * config/frv/lib1funcs.asm: Likewise.
688 * config/glibc-stdint.h: Likewise.
689 * config/h8300/clzhi2.c: Likewise.
690 * config/h8300/crti.asm: Likewise.
691 * config/h8300/crtn.asm: Likewise.
692 * config/h8300/ctzhi2.c: Likewise.
693 * config/h8300/fixunssfsi.c: Likewise.
694 * config/h8300/lib1funcs.asm: Likewise.
695 * config/h8300/parityhi2.c: Likewise.
696 * config/h8300/popcounthi2.c: Likewise.
697 * config/i386/ammintrin.h: Likewise.
698 * config/i386/att.h: Likewise.
699 * config/i386/avxintrin.h: Likewise.
700 * config/i386/biarch64.h: Likewise.
701 * config/i386/bmmintrin.h: Likewise.
702 * config/i386/cpuid.h: Likewise.
703 * config/i386/cross-stdarg.h: Likewise.
704 * config/i386/crtfastmath.c: Likewise.
705 * config/i386/crtprec.c: Likewise.
706 * config/i386/cygming-crtbegin.c: Likewise.
707 * config/i386/cygming-crtend.c: Likewise.
708 * config/i386/cygwin.asm: Likewise.
709 * config/i386/emmintrin.h: Likewise.
710 * config/i386/gmm_malloc.h: Likewise.
711 * config/i386/gthr-win32.c: Likewise.
712 * config/i386/i386.h: Likewise.
713 * config/i386/immintrin.h: Likewise.
714 * config/i386/linux-unwind.h: Likewise.
715 * config/i386/linux64.h: Likewise.
716 * config/i386/mm3dnow.h: Likewise.
717 * config/i386/mmintrin-common.h: Likewise.
718 * config/i386/mmintrin.h: Likewise.
719 * config/i386/nmmintrin.h: Likewise.
720 * config/i386/pmm_malloc.h: Likewise.
721 * config/i386/pmmintrin.h: Likewise.
722 * config/i386/smmintrin.h: Likewise.
723 * config/i386/sol2-c1.asm: Likewise.
724 * config/i386/sol2-ci.asm: Likewise.
725 * config/i386/sol2-cn.asm: Likewise.
726 * config/i386/sol2-gc1.asm: Likewise.
727 * config/i386/tmmintrin.h: Likewise.
728 * config/i386/unix.h: Likewise.
729 * config/i386/w32-unwind.h: Likewise.
730 * config/i386/wmmintrin.h: Likewise.
731 * config/i386/x86-64.h: Likewise.
732 * config/i386/x86intrin.h: Likewise.
733 * config/i386/xmmintrin.h: Likewise.
734 * config/ia64/crtbegin.asm: Likewise.
735 * config/ia64/crtend.asm: Likewise.
736 * config/ia64/crtfastmath.c: Likewise.
737 * config/ia64/crti.asm: Likewise.
738 * config/ia64/crtn.asm: Likewise.
739 * config/ia64/fde-glibc.c: Likewise.
740 * config/ia64/lib1funcs.asm: Likewise.
741 * config/ia64/linux-unwind.h: Likewise.
742 * config/ia64/quadlib.c: Likewise.
743 * config/ia64/unwind-ia64.c: Likewise.
744 * config/linux.h: Likewise.
745 * config/m32c/m32c-lib1.S: Likewise.
746 * config/m32c/m32c-lib2-trapv.c: Likewise.
747 * config/m32c/m32c-lib2.c: Likewise.
748 * config/m32r/initfini.c: Likewise.
749 * config/m68hc11/larith.asm: Likewise.
750 * config/m68hc11/m68hc11-crt0.S: Likewise.
751 * config/m68k/cf.md: Likewise.
752 * config/m68k/crti.s: Likewise.
753 * config/m68k/crtn.s: Likewise.
754 * config/m68k/lb1sf68.asm: Likewise.
755 * config/m68k/linux-unwind.h: Likewise.
756 * config/mcore/crti.asm: Likewise.
757 * config/mcore/crtn.asm: Likewise.
758 * config/mcore/lib1.asm: Likewise.
759 * config/mips/linux-unwind.h: Likewise.
760 * config/mips/loongson.h: Likewise.
761 * config/mips/mips16.S: Likewise.
762 * config/mmix/crti.asm: Likewise.
763 * config/mmix/crtn.asm: Likewise.
764 * config/pa/fptr.c: Likewise.
765 * config/pa/hpux-unwind.h: Likewise.
766 * config/pa/lib2funcs.asm: Likewise.
767 * config/pa/linux-atomic.c: Likewise.
768 * config/pa/linux-unwind.h: Likewise.
769 * config/pa/milli64.S: Likewise.
770 * config/pa/quadlib.c: Likewise.
771 * config/pa/stublib.c: Likewise.
772 * config/picochip/libgccExtras/adddi3.asm: Likewise.
773 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
774 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
775 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
776 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
777 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
778 * config/picochip/libgccExtras/divmod15.asm: Likewise.
779 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
780 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
781 * config/picochip/libgccExtras/longjmp.asm: Likewise.
782 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
783 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
784 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
785 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
786 * config/picochip/libgccExtras/setjmp.asm: Likewise.
787 * config/picochip/libgccExtras/subdi3.asm: Likewise.
788 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
789 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
790 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
791 * config/rs6000/750cl.h: Likewise.
792 * config/rs6000/altivec.h: Likewise.
793 * config/rs6000/biarch64.h: Likewise.
794 * config/rs6000/crtresfpr.asm: Likewise.
795 * config/rs6000/crtresgpr.asm: Likewise.
796 * config/rs6000/crtresxfpr.asm: Likewise.
797 * config/rs6000/crtresxgpr.asm: Likewise.
798 * config/rs6000/crtsavfpr.asm: Likewise.
799 * config/rs6000/crtsavgpr.asm: Likewise.
800 * config/rs6000/darwin-asm.h: Likewise.
801 * config/rs6000/darwin-fallback.c: Likewise.
802 * config/rs6000/darwin-fpsave.asm: Likewise.
803 * config/rs6000/darwin-ldouble.c: Likewise.
804 * config/rs6000/darwin-tramp.asm: Likewise.
805 * config/rs6000/darwin-unwind.h: Likewise.
806 * config/rs6000/darwin-vecsave.asm: Likewise.
807 * config/rs6000/darwin-world.asm: Likewise.
808 * config/rs6000/e500crtres32gpr.asm: Likewise.
809 * config/rs6000/e500crtres64gpr.asm: Likewise.
810 * config/rs6000/e500crtres64gprctr.asm: Likewise.
811 * config/rs6000/e500crtrest32gpr.asm: Likewise.
812 * config/rs6000/e500crtrest64gpr.asm: Likewise.
813 * config/rs6000/e500crtresx32gpr.asm: Likewise.
814 * config/rs6000/e500crtresx64gpr.asm: Likewise.
815 * config/rs6000/e500crtsav32gpr.asm: Likewise.
816 * config/rs6000/e500crtsav64gpr.asm: Likewise.
817 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
818 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
819 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
820 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
821 * config/rs6000/eabi-ci.asm: Likewise.
822 * config/rs6000/eabi-cn.asm: Likewise.
823 * config/rs6000/eabi.asm: Likewise.
824 * config/rs6000/linux-unwind.h: Likewise.
825 * config/rs6000/linux64.h: Likewise.
826 * config/rs6000/paired.h: Likewise.
827 * config/rs6000/paired.md: Likewise.
828 * config/rs6000/ppc64-fp.c: Likewise.
829 * config/rs6000/ppu_intrinsics.h: Likewise.
830 * config/rs6000/rs6000.h: Likewise.
831 * config/rs6000/si2vmx.h: Likewise.
832 * config/rs6000/sol-ci.asm: Likewise.
833 * config/rs6000/sol-cn.asm: Likewise.
834 * config/rs6000/spe.h: Likewise.
835 * config/rs6000/spu2vmx.h: Likewise.
836 * config/rs6000/sysv4.h: Likewise.
837 * config/rs6000/tramp.asm: Likewise.
838 * config/rs6000/vec_types.h: Likewise.
839 * config/s390/linux-unwind.h: Likewise.
840 * config/s390/tpf-unwind.h: Likewise.
841 * config/score/crti.asm: Likewise.
842 * config/score/crtn.asm: Likewise.
843 * config/sh/crt1.asm: Likewise.
844 * config/sh/crti.asm: Likewise.
845 * config/sh/crtn.asm: Likewise.
846 * config/sh/divtab-sh4-300.c: Likewise.
847 * config/sh/divtab-sh4.c: Likewise.
848 * config/sh/divtab.c: Likewise.
849 * config/sh/lib1funcs-4-300.asm: Likewise.
850 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
851 * config/sh/lib1funcs.asm: Likewise.
852 * config/sh/lib1funcs.h: Likewise.
853 * config/sh/linux-atomic.asm: Likewise.
854 * config/sh/linux-unwind.h: Likewise.
855 * config/sh/shmedia.h: Likewise.
856 * config/sh/sshmedia.h: Likewise.
857 * config/sh/ushmedia.h: Likewise.
858 * config/sparc/crtfastmath.c: Likewise.
859 * config/sparc/linux-unwind.h: Likewise.
860 * config/sparc/sol2-c1.asm: Likewise.
861 * config/sparc/sol2-ci.asm: Likewise.
862 * config/sparc/sol2-cn.asm: Likewise.
863 * config/spu/divmodti4.c: Likewise.
864 * config/spu/divv2df3.c: Likewise.
865 * config/spu/float_disf.c: Likewise.
866 * config/spu/float_unsdidf.c: Likewise.
867 * config/spu/float_unsdisf.c: Likewise.
868 * config/spu/float_unssidf.c: Likewise.
869 * config/spu/mfc_multi_tag_release.c: Likewise.
870 * config/spu/mfc_multi_tag_reserve.c: Likewise.
871 * config/spu/mfc_tag_release.c: Likewise.
872 * config/spu/mfc_tag_reserve.c: Likewise.
873 * config/spu/mfc_tag_table.c: Likewise.
874 * config/spu/multi3.c: Likewise.
875 * config/spu/spu_internals.h: Likewise.
876 * config/spu/spu_intrinsics.h: Likewise.
877 * config/spu/spu_mfcio.h: Likewise.
878 * config/spu/vec_types.h: Likewise.
879 * config/spu/vmx2spu.h: Likewise.
880 * config/stormy16/stormy16-lib2.c: Likewise.
881 * config/svr4.h: Likewise.
882 * config/sync.c: Likewise.
883 * config/v850/lib1funcs.asm: Likewise.
884 * config/vxlib-tls.c: Likewise.
885 * config/vxlib.c: Likewise.
886 * config/vxworks-dummy.h: Likewise.
887 * config/xtensa/crti.asm: Likewise.
888 * config/xtensa/crtn.asm: Likewise.
889 * config/xtensa/ieee754-df.S: Likewise.
890 * config/xtensa/ieee754-sf.S: Likewise.
891 * config/xtensa/lib1funcs.asm: Likewise.
892 * config/xtensa/lib2funcs.S: Likewise.
893 * config/xtensa/linux-unwind.h: Likewise.
894 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
895 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
896 * coretypes.h: Likewise.
897 * crtstuff.c: Likewise.
898 * defaults.h: Likewise.
899 * dwarf2.h: Likewise.
900 * emutls.c: Likewise.
901 * gbl-ctors.h: Likewise.
902 * gcov-io.h: Likewise.
903 * ginclude/float.h: Likewise.
904 * ginclude/iso646.h: Likewise.
905 * ginclude/stdarg.h: Likewise.
906 * ginclude/stdbool.h: Likewise.
907 * ginclude/stddef.h: Likewise.
908 * ginclude/stdfix.h: Likewise.
909 * ginclude/stdint-gcc.h: Likewise.
910 * ginclude/tgmath.h: Likewise.
911 * gthr-aix.h: Likewise.
912 * gthr-dce.h: Likewise.
913 * gthr-gnat.c: Likewise.
914 * gthr-gnat.h: Likewise.
915 * gthr-lynx.h: Likewise.
916 * gthr-mipssde.h: Likewise.
917 * gthr-nks.h: Likewise.
918 * gthr-posix.c: Likewise.
919 * gthr-posix.h: Likewise.
920 * gthr-posix95.h: Likewise.
921 * gthr-rtems.h: Likewise.
922 * gthr-single.h: Likewise.
923 * gthr-solaris.h: Likewise.
924 * gthr-tpf.h: Likewise.
925 * gthr-vxworks.h: Likewise.
926 * gthr-win32.h: Likewise.
928 * libgcc2.c: Likewise.
929 * libgcc2.h: Likewise.
930 * libgcov.c: Likewise.
931 * tsystem.h: Likewise.
932 * typeclass.h: Likewise.
933 * unwind-c.c: Likewise.
934 * unwind-compat.h: Likewise.
935 * unwind-dw2-fde-compat.c: Likewise.
936 * unwind-dw2-fde-darwin.c: Likewise.
937 * unwind-dw2-fde-glibc.c: Likewise.
938 * unwind-dw2-fde.c: Likewise.
939 * unwind-dw2-fde.h: Likewise.
940 * unwind-dw2.c: Likewise.
941 * unwind-dw2.h: Likewise.
942 * unwind-generic.h: Likewise.
943 * unwind-pe.h: Likewise.
944 * unwind-sjlj.c: Likewise.
945 * unwind.inc: Likewise.
946 * config/arm/neon-gen.ml: Change generated copyright header to
947 refer to version 3 of the GNU General Public License with
948 version 3.1 of the GCC Runtime Library Exception and to point
949 readers at the COPYING3 and COPYING3.RUNTIME files and the
950 FSF's license web page.
951 * config/arm/arm_neon.h: Regenerate.
953 2009-04-09 Jakub Jelinek <jakub@redhat.com>
955 * config/cris/cris.md: Change copyright header to refer to version
956 3 of the GNU General Public License.
957 * doc/install.texi2html: Change copyright header to refer to version
958 3 of the GNU General Public License and to point readers at the
959 COPYING3 file and the FSF's license web page.
960 * config/vax/linux.h: Likewise.
962 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
964 * config/i386/i386.md (cmpcc): New.
965 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
966 (sync_compare_and_swap_cc*): Delete.
968 * config/s390/s390.c (s390_compare_emitted): Remove.
969 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
970 s390_compare_emitted used to be handled. Assert that modes match.
971 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
972 refer to sync_compare_and_swap_ccsi.
973 * config/s390/s390.h (s390_compare_emitted): Remove.
974 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
975 instead of s390_compare_emitted.
976 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
977 instead of s390_compare_emitted.
978 * config/s390/s390.md (cmpcc): New.
979 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
980 CC_REGNUM, do not pretend it's set.
981 (sync_compare_and_swap_cc*): Delete.
982 * config/s390/predicates.md (cc_reg_operand): New.
984 * expr.c (sync_compare_and_swap_cc): Delete.
985 * optabs.h (sync_compare_and_swap_cc): Delete.
986 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
987 is being used with can_compare_p.
988 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
990 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
991 look for a MODE_CC set instead. Use emit_store_flag.
992 (expand_compare_and_swap_loop): Likewise, with some additional
993 complication to avoid a force_reg when useless. Use
994 emit_cmp_and_jump_insns.
995 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
996 * doc/md.texi (sync_compare_and_swap_cc): Merge with
997 sync_compare_and_swap documentation.
999 2009-04-09 Jan Hubicka <jh@suse.cz>
1001 * except.c (find_prev_try): Break out from ....
1002 (duplicate_eh_regions): ... here; properly update prev_try pointers
1003 when duplication part of tree.
1004 (dump_eh_tree): Improve dumping.
1005 (verify_eh_region): New.
1006 (verify_eh_tree): Use it.
1008 2009-04-06 Richard Guenther <rguenther@suse.de>
1010 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1011 &ARRAY addresses by adjusting their types and prepending
1013 * tree-cfg.c (verify_gimple_assign_single): Verify that
1014 addresses are correct.
1016 2009-04-09 Richard Guenther <rguenther@suse.de>
1018 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1019 indices into an array reference if possible.
1020 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1021 Fold POINTER_PLUS_EXPR statements with invariant address.
1023 2009-04-09 Alan Modra <amodra@bigpond.net.au>
1026 * config.gcc (powerpc64-*-linux*): Always build biarch.
1028 2009-04-09 Joseph Myers <joseph@codesourcery.com>
1031 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1032 it and pedwarn if this results in an INTEGER_CST.
1034 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1036 * doc/install.texi: Update minimum GMP version. Remove obsolete
1037 text in MPFR section.
1039 2009-04-08 Jakub Jelinek <jakub@redhat.com>
1041 * dwarf2out.c (class_scope_p): New static inline.
1042 (class_or_namespace_scope_p): Use it.
1043 (gen_variable_die): Use DW_TAG_member tag for static data member
1044 declarations instead of DW_TAG_variable.
1047 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1050 2009-04-08 Richard Guenther <rguenther@suse.de>
1052 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1053 valueize random data.
1055 2009-04-08 David Edelsohn <edelsohn@gnu.org>
1057 * config.gcc (aix tm_file): Add aix-stdint.h.
1058 (aix tm clause use_gcc_stdint): Set to wrap.
1059 * config/rs6000/aix-stdint.h: New file.
1061 2009-04-08 Richard Guenther <rguenther@suse.de>
1064 * tree-dfa.c (add_referenced_var): Do not recurse into
1065 global initializers.
1066 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1068 (fold_const_aggregate_ref): Likewise.
1070 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1072 * recog.c (ordered_comparison_operator): New.
1073 * gensupport.c (std_preds): Add it.
1074 * doc/md.texi (Machine-Independent Predicates): Document it.
1076 2009-04-08 Jan Hubicka <jh@suse.cz>
1078 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1079 * function.h (rtl_eh): Remove exception_handler_label_map.
1080 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1081 remove_exception_handler_label, for_each_eh_label_1): Remove.
1082 (rtl_remove_unreachable_regions): Remove.
1083 (convert_from_eh_region_ranges): Do not remove unreachable regions.
1084 (find_exception_handler_labels): Don't build the hashtable.
1085 (maybe_remove_eh_handler): Remove.
1086 (for_each_eh_label): Rewrite to walk the tree.
1087 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1088 * except.h (maybe_remove_eh_handler): Remove.
1089 * passes.c (init_optimization_passes): Schedule second EH cleanup
1091 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1092 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1094 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1096 * genoutput.c (validate_optab_operands): New.
1097 (gen_insn, gen_expand): Call it.
1099 * genflags.c (gen_insn): Detect misused iterators.
1100 (main): Pass line_no to gen_insn, exit with status 1 on error.
1102 * genextract.c (line_no): Make global.
1103 (VEC_safe_set_locstr): Change assertion to error message.
1104 (main): Exit with status 1 on error.
1106 2009-04-08 Joseph Myers <joseph@codesourcery.com>
1110 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1111 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1112 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1113 * c-convert.c (convert): Do not call fold on results of conversion
1114 functions when the result is a C_MAYBE_CONST_EXPR.
1115 * c-parser.c (c_parser_postfix_expression): Do not fold condition
1116 of __builtin_choose_expr.
1117 * c-typeck.c (remove_c_maybe_const_expr): New.
1118 (build_unary_op, build_conditional_expr, build_compound_expr,
1119 build_binary_op, c_objc_common_truthvalue_conversion): Call
1120 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1123 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1125 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
1126 CODE to produce a new one. Add a prototype to use fold_convert_const
1128 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
1131 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1132 mix declarations and code.
1134 2009-04-08 Ben Elliston <bje@au.ibm.com>
1136 * gcc.c: Replace `CC' with `GCC' throughout.
1138 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
1140 * doc/invoke.texi: Document Atom support.
1142 2009-04-07 Jason Merrill <jason@redhat.com>
1145 * c-common.h, c-common.c: Add flag_pretty_templates.
1146 * c-opts.c (c_common_handle_option): Set it.
1147 * c.opt: Add -fno-pretty-templates.
1148 * doc/invoke.texi (C++ Dialect Options): Likewise.
1150 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
1152 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1153 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1154 (ia64_expand_builtin): Likewise.
1156 2009-04-07 Martin Jambor <mjambor@suse.cz>
1158 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1159 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1160 ADDR_EXPRS are include too.
1162 2009-04-07 Richard Guenther <rguenther@suse.de>
1164 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1165 decls are only used if passes as parameters or if they are
1166 local statics and the call is not to a builtin.
1167 (call_may_clobber_ref_p_1): Likewise.
1169 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1171 * expr.c (do_store_flag): Remove last argument. Simplify code
1172 to avoid duplication of tests already done by can_compare_p.
1173 (expand_expr_real_1): Adjust caller.
1175 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1177 * optabs.c (can_compare_p): Test the predicate of a
1178 cbranch and cstore pattern.
1180 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1182 * expr.c (convert_move): Use emit_store_flag instead of
1185 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1187 * config/i386/i386.c (ix86_compare_emitted): Remove.
1188 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1189 ix86_compare_op0 like ix86_compare_emitted used to be handled.
1190 * config/i386/i386.h (ix86_compare_emitted): Remove.
1191 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1192 instead of ix86_compare_emitted.
1193 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1195 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
1197 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1198 Add t-sysroot-suffix to tmake_file.
1199 * config/print-sysroot-suffix.sh: New file.
1200 * config/t-sysroot-suffix: New file.
1202 2009-04-07 Ben Elliston <bje@au.ibm.com>
1204 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1205 as the latter produces a warning when the target does not support
1208 2009-04-07 Ben Elliston <bje@au.ibm.com>
1210 * dfp.c: Replace type punning assignments with memcpy throughout.
1211 * Makefile.in (dfp.o-warn): Remove.
1213 2009-04-07 Alan Modra <amodra@bigpond.net.au>
1216 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1217 Include soft-fp/t-softfp after rs6000/t-linux64.
1219 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
1221 * stor-layout.c (set_sizetype): Use the full precision of their
1222 machine mode for bitsize types.
1224 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
1226 * config/i386/i386.md: Revert 2 accidental checkins.
1228 2009-04-06 Joey Ye <joey.ye@intel.com>
1229 Xuepeng Guo <xuepeng.guo@intel.com>
1230 H.J. Lu <hongjiu.lu@intel.com>
1232 Atom pipeline model, tuning and insn selection.
1233 * config.gcc (atom): Add atom config options and target.
1235 * config/i386/atom.md: New.
1237 * config/i386/i386.c (atom_cost): New cost.
1238 (m_ATOM): New macro flag.
1239 (initial_ix86_tune_features): Set m_ATOM.
1240 (x86_accumulate_outgoing_args): Likewise.
1241 (x86_arch_always_fancy_math_387): Likewise.
1242 (processor_target): Add Atom cost.
1243 (cpu_names): Add Atom cpu name.
1244 (override_options): Set Atom ISA.
1245 (ix86_issue_rate): New case PROCESSOR_ATOM.
1246 (ix86_adjust_cost): Likewise.
1248 * config/i386/i386.h (TARGET_ATOM): New target macro.
1249 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1250 (TARGET_OPT_AGU): New target option.
1251 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1252 (processor_type): Add PROCESSOR_ATOM.
1254 * config/i386/i386.md (cpu): Add new value "atom".
1255 (use_carry, movu): New attr.
1256 (atom.md): Include atom.md.
1257 (adddi3_carry_rex64): Set attr "use_carry".
1258 (addqi3_carry): Likewise.
1259 (addhi3_carry): Likewise.
1260 (addsi3_carry): Likewise.
1261 (*addsi3_carry_zext): Likewise.
1262 (subdi3_carry_rex64): Likewise.
1263 (subqi3_carry): Likewise.
1264 (subhi3_carry): Likewise.
1265 (subsi3_carry): Likewise.
1266 (x86_movdicc_0_m1_rex64): Likewise.
1267 (*x86_movdicc_0_m1_se): Likewise.
1268 (x86_movsicc_0_m1): Likewise.
1269 (*x86_movsicc_0_m1_se): Likewise.
1270 (*adddi_1_rex64): Emit add insn as much as possible.
1271 (*addsi_1): Likewise.
1272 (return_internal): Set atom_unit.
1273 (return_internal_long): Likewise.
1274 (return_pop_internal): Likewise.
1275 (*rcpsf2_sse): Set atom_sse_attr attr.
1276 (*qrt<mode>2_sse): Likewise.
1277 (*prefetch_sse): Likewise.
1279 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1281 (ix86_target_macros_internal): Likewise.
1283 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1284 (*prefetch_sse_rex): Likewise.
1285 (sse_rcpv4sf2): Likewise.
1286 (sse_vmrcpv4sf2): Likewise.
1287 (sse_sqrtv4sf2): Likewise.
1288 (<sse>_vmsqrt<mode>2): Likewise.
1289 (sse_ldmxcsr): Likewise.
1290 (sse_stmxcsr): Likewise.
1291 (*sse_sfence): Likewise.
1292 (sse2_clflush): Likewise.
1293 (*sse2_mfence): Likewise.
1294 (*sse2_lfence): Likewise.
1295 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1296 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1297 (avx_movdqu<avxmodesuffix>): Likewise.
1298 (avx_lddqu<avxmodesuffix>): Likewise.
1299 (sse2_movntv2di): Change attr "type" to "ssemov".
1300 (sse2_movntsi): Likewise.
1301 (rsqrtv8sf2): Change attr "type" to "sseadd".
1302 (sse3_addsubv2df3): Set attr "atom_unit".
1303 (sse3_h<plusminus_insn>v4sf3): Likewise.
1304 (*sse2_pmaddwd): Likewise.
1305 (*vec_extractv2di_1_rex64): Likewise.
1306 (*vec_extractv2di_1_avx): Likewise.
1307 (sse2_psadbw): Likewise.
1308 (ssse3_phaddwv8hi3): Likewise.
1309 (ssse3_phaddwv4hi3): Likewise.
1310 (ssse3_phadddv4si3): Likewise.
1311 (ssse3_phadddv2si3): Likewise.
1312 (ssse3_phaddswv8hi3): Likewise.
1313 (ssse3_phaddswv4hi3): Likewise.
1314 (ssse3_phsubwv8hi3): Likewise.
1315 (ssse3_phsubwv4hi3): Likewise.
1316 (ssse3_phsubdv4si3): Likewise.
1317 (ssse3_phsubdv2si3): Likewise.
1318 (ssse3_phsubswv8hi3): Likewise.
1319 (ssse3_phsubswv4hi3): Likewise.
1320 (ssse3_pmaddubsw128): Likewise.
1321 (sse3_pmaddubsw: Likewise.
1322 (ssse3_palignrti): Likewise.
1323 (ssse3_palignrdi): Likewise.
1325 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1327 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1329 2009-04-06 Richard Guenther <rguenther@suse.de>
1331 PR tree-optimization/28868
1332 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1333 of which PHI results we inserted.
1334 (insert_into_preds_of_block): Record inserted PHIs.
1335 (eliminate): Eliminate redundant PHI nodes.
1336 (init_pre): Init inserted_phi_names.
1338 2009-04-06 Richard Guenther <rguenther@suse.de>
1340 PR tree-optimization/39643
1341 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1342 IMAGPART_EXPRs of complex constants.
1343 (execute_fold_all_builtins): If we folded a call queue
1344 TODO_update_address_taken.
1346 2009-04-06 Jan Hubicka <jh@suse.cz>
1349 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1352 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1354 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1356 (ic_invalidate_array): Likewise.
1358 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1360 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1361 alignment for library calls.
1363 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1365 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1366 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1367 * config/i386/mingw-stdint.h: New file.
1369 2009-04-05 Richard Guenther <rguenther@suse.de>
1371 PR tree-optimization/39648
1372 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1373 our &A vs. &A[0] IL deficiencies.
1375 2009-04-04 Jan Hubicka <jh@suse.cz>
1377 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1378 removed toplevel regions.
1379 (sjlj_mark_call_sites): Likewise.
1381 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1383 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1384 (cygwin tm clause use_gcc_stdint): Set to wrap.
1385 * config/i386/cygwin-stdint.h: New file.
1387 2009-04-04 Richard Guenther <rguenther@suse.de>
1389 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1390 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1391 single-argument PHIs if we are in loop-closed SSA form.
1392 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1393 for the pre-condition.
1394 (slpeel_tree_peel_loop_to_edge): Likewise.
1395 (vect_build_loop_niters): Take an optional sequence to append stmts.
1396 (vect_generate_tmps_on_preheader): Likewise.
1397 (vect_do_peeling_for_loop_bound): Take extra guards for the
1399 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1400 the cost model check.
1401 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1402 guards if we are going to peel. Do not apply versioning in that case.
1403 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1404 (vect_do_peeling_for_loop_bound): Likewise.
1405 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1406 loop bound only record extra pre-conditions, do not apply loop
1409 2009-04-04 Richard Guenther <rguenther@suse.de>
1411 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1414 2009-04-04 Jan Hubicka <jh@suse.cz>
1416 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1417 last_basic_block for size of bb->index indexed array.
1418 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1419 compute_out, link_btr_uses, build_btr_def_use_webs,
1420 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1422 2009-04-04 Jan Hubicka <jh@suse.cz>
1424 * except.c (remove_eh_handler_and_replace): Break out from ...
1425 (remove_eh_handler): ... here.
1426 (bring_to_root): New function.
1427 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1428 handled ones, bring others to root of tree.
1430 2009-04-04 Jan Hubicka <jh@suse.cz>
1432 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1433 (all_phis_safe_to_merge): New function.
1434 (update_info): New structure.
1435 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1436 (cleanup_empty_eh): Update SSA if possible.
1438 2009-04-04 Richard Guenther <rguenther@suse.de>
1440 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1441 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1442 (append_vuse): Likewise.
1444 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1446 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1447 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1448 instead of REG_UNSAVED for DW_CFA_undefined.
1449 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1450 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1453 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1456 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1457 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1458 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1460 2009-04-04 Richard Guenther <rguenther@suse.de>
1462 PR tree-optimization/8781
1463 PR tree-optimization/37892
1464 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1465 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1466 (valueize_refs): Call it for *& valueizations.
1467 (shared_reference_ops_from_ref): Rename to ...
1468 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1469 (shared_reference_ops_from_call): Rename to ...
1470 (valueize_shared_reference_ops_from_call): ... this and valueize.
1471 (vn_reference_lookup): Update.
1472 (visit_reference_op_call): Likewise.
1473 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1474 (eliminate): Value-replace the call address in call statements.
1476 2009-04-04 Richard Guenther <rguenther@suse.de>
1478 PR tree-optimization/39636
1479 * tree-ssa-forwprop.c
1480 (forward_propagate_addr_into_variable_array_index): Check for
1481 GIMPLE_ASSIGN before accessing the rhs code.
1483 2009-04-03 Jason Merrill <jason@redhat.com>
1485 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1487 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1489 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1490 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1491 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1492 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1493 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1494 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1495 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1496 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1497 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1498 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1499 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1500 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1501 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1502 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1503 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1504 Use fr_reg_or_fp01_operand instead of fr_register_operand
1506 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1507 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1508 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1510 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1512 PR rtl-optimization/39607
1513 PR rtl-optimization/39631
1517 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1518 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1519 instead of DF_LR_OUT.
1520 * ira-lives.c (process_bb_node_lives): Ditto.
1521 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1522 instead of DF_LR_{OUT,IN}.
1523 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1524 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1526 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1528 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1529 (execute_lower_omp): Always run but take the short way out if -fopenmp
1531 (gate_lower_omp): Remove, forcing the pass manager to always run the
1532 pass and always set PROP_gimple_lomp.
1533 (pass_lower_omp): Remove gate function.
1534 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1535 PROP_trees. Instead, require it.
1536 * ipa-cp.c (pass_ipa_cp): Likewise.
1537 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1538 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1539 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1540 and PROP_gimple_leh.
1542 2009-04-03 Richard Guenther <rguenther@suse.de>
1545 PR tree-optimization/23940
1546 PR tree-optimization/33237
1549 PR tree-optimization/36201
1550 PR tree-optimization/36230
1551 PR tree-optimization/38049
1552 PR tree-optimization/38207
1553 PR tree-optimization/38230
1554 PR tree-optimization/38301
1555 PR tree-optimization/38585
1557 PR tree-optimization/38985
1558 PR tree-optimization/39299
1559 * tree-ssa-structalias.h: Remove.
1560 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1561 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1562 (struct vuse_element_d): Remove.
1563 (struct vuse_vec_d): Likewise.
1564 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1565 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1566 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1567 VUSE_ELEMENT_VAR): Likewise.
1568 (struct voptype_d): Likewise.
1569 (NUM_VOP_FREE_BUCKETS): Likewise.
1570 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1571 (struct stmt_operands_d): Remove.
1572 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1573 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1574 VDEF_NUM, VDEF_VECT): Likewise.
1575 (copy_virtual_operands): Remove.
1576 (operand_build_cmp): Likewise.
1577 (create_ssa_artificial_load_stmt): Likewise.
1578 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1579 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1580 vuse_index and mayuse_index members. Pack and move done and iter_type
1581 members to the front.
1582 (SSA_OP_VMAYUSE): Remove.
1583 (SSA_OP_VIRTUAL_USES): Adjust.
1584 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1585 (unlink_stmt_vdef): Declare.
1586 (add_to_addressable_set): Remove.
1587 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1588 (vrp_visit_stmt): Likewise.
1589 * doc/tree-ssa.texi (Alias analysis): Update.
1590 * doc/invoke.texi (max-aliased-vops): Remove docs.
1591 (avg-aliased-vops): Likewise.
1592 * tree-into-ssa.c (syms_to_rename): Remove.
1593 (need_to_update_vops_p): Likewise.
1594 (need_to_initialize_update_ssa_p): Rename to ...
1595 (update_ssa_initialized_fn): ... this. Track function we are
1597 (symbol_marked_for_renaming): Simplify.
1598 (add_new_name_mapping): Do not set need_to_update_vops_p.
1599 (dump_currdefs): Use SYMS_TO_RENAME.
1600 (rewrite_update_stmt): Always walk all uses/defs.
1601 (dump_update_ssa): Adjust.
1602 (init_update_ssa): Take function argument. Track what we are
1604 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1605 (create_new_def_for): Initialize for cfun, assert we are initialized
1607 (mark_sym_for_renaming): Simplify.
1608 (mark_set_for_renaming): Do not initialize update-ssa.
1609 (need_ssa_update_p): Simplify. Take function argument.
1610 (name_mappings_registered_p): Assert we ask for the correct function.
1611 (name_registered_for_update_p): Likewise.
1612 (ssa_names_to_replace): Likewise.
1613 (release_ssa_name_after_update_ssa): Likewise.
1614 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1615 (dump_decl_set): Do not print a newline.
1616 (debug_decl_set): Do it here.
1617 (dump_update_ssa): And here.
1618 * tree-ssa-loop-im.c (move_computations): Adjust.
1619 (movement_possibility): Likewise.
1620 (determine_max_movement): Likewise.
1621 (gather_mem_refs_stmt): Likewise.
1622 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1624 * tree-complex.c (update_all_vops): Remove.
1625 (expand_complex_move): Adjust.
1626 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1627 Simplify test for memory referencing statement. Exclude
1628 non-invariant ADDR_EXPRs.
1629 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1630 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1631 (rdg_flag_uses): Likewise.
1632 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1634 (tree_optimize_tail_calls_1): Also split the
1635 edge from the entry block if we have degenerate PHI nodes in
1636 the first basic block.
1637 * tree.c (init_ttree): Remove memory-tag related code.
1638 (tree_code_size): Likewise.
1639 (tree_node_structure): Likewise.
1640 (build7_stat): Re-write to be build6_stat.
1641 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1642 (SSA_VAR_P): Adjust.
1643 (struct tree_memory_tag): Remove.
1644 (struct tree_memory_partition_tag): Likewise.
1645 (union tree_node): Adjust.
1646 (build7): Re-write to be build6.
1647 * tree-pass.h (pass_reset_cc_flags): Remove.
1648 (TODO_update_address_taken): New flag.
1649 (pass_simple_dse): Remove.
1650 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1651 * params.h (MAX_ALIASED_VOPS): Remove.
1652 (AVG_ALIASED_VOPS): Likewise.
1653 * omp-low.c (expand_omp_taskreg): Update SSA form.
1654 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1655 aliases the lhs in a copy stmt.
1656 * tree-ssa-dse.c (struct address_walk_data): Remove.
1657 (memory_ssa_name_same): Likewise.
1658 (memory_address_same): Likewise.
1659 (get_kill_of_stmt_lhs): Likewise.
1660 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1661 unused stores. Look through PHI nodes into post-dominated regions.
1662 (dse_optimize_stmt): Simplify. Properly remove stores.
1663 (tree_ssa_dse): Compute dominators.
1664 (execute_simple_dse): Remove.
1665 (pass_simple_dse): Likewise.
1666 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1667 gimple_loaded_syms and gimple_stored_syms computation.
1668 * toplev.c (dump_memory_report): Dump alias and pta stats.
1669 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1670 (vn_reference_eq): Likewise.
1671 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1672 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1673 valueize_vuses): Remove.
1674 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1675 (get_def_ref_stmt_vuse): ... this.
1676 (vn_reference_lookup_2): New function.
1677 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1678 walking equivalent vuses. Simplify.
1679 (vn_reference_lookup): Likewise.
1680 (vn_reference_insert): Likewise.
1681 (vn_reference_insert_pieces): Likewise.
1682 (visit_reference_op_call): Simplify.
1683 (visit_reference_op_load): Likewise.
1684 (visit_reference_op_store): Likewise.
1685 (init_scc_vn): Remove shared_lookup_vuses initialization.
1686 (free_scc_vn): Remove shared_lookup_vuses freeing.
1687 (sort_vuses, sort_vuses_heap): Remove.
1688 (get_ref_from_reference_ops): Export.
1689 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1690 vector with single vuse pointer.
1691 (vn_reference_lookup_pieces, vn_reference_lookup,
1692 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1693 (shared_vuses_from_stmt): Remove.
1694 (get_ref_from_reference_ops): Declare.
1695 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1696 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1697 memory-tag related code.
1698 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1699 (likely_value): Add comment, skip static-chain of call statements.
1700 (surely_varying_stmt_p): Adjust.
1701 (gimplify_and_update_call_from_tree): Likewise.
1702 (execute_fold_all_builtins): Do not rebuild alias info.
1703 (gimplify_and_update_call_from_tree): Properly update VOPs.
1704 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1705 (copy_ref_info): Remove memory-tag related code.
1706 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1707 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1708 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1710 * tree-ssa-dom.c (gimple_p): Remove typedef.
1711 (eliminate_redundant_computations): Adjust.
1712 (record_equivalences_from_stmt): Likewise.
1713 (avail_expr_hash): Likewise.
1714 (avail_expr_eq): Likewise.
1715 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1716 (stmt_makes_single_load): Likewise.
1717 (stmt_makes_single_store): Likewise.
1718 * tree-ssa-alias.c: Rewrite completely.
1719 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1720 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1721 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1722 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1723 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1724 Remove public functions.
1725 (pass_reset_cc_flags): Remove.
1726 (pass_build_alias): Move ...
1727 * tree-ssa-structalias.c (pass_build_alias): ... here.
1728 * tree-ssa-alias.c (may_be_aliased): Move ...
1729 * tree-flow-inline.h (may_be_aliased): ... here.
1730 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1731 count_uses_and_derefs): Move ...
1732 * gimple.c: ... here.
1733 * gimple.h (count_uses_and_derefs): Declare.
1734 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1735 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1736 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1737 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1738 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1739 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1740 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1742 * tree-dfa.c (refs_may_alias_p): Move ...
1743 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1744 * tree-ssa-alias.h: New file.
1745 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1746 (statement_sink_location): Likewise.
1747 * opts.c (decode_options): Do not adjust max-aliased-vops or
1748 avg-aliased-vops values.
1749 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1750 (TV_CALL_CLOBBER): Likewise.
1751 (TV_FLOW_SENSITIVE): Likewise.
1752 (TV_FLOW_INSENSITIVE): Likewise.
1753 (TV_MEMORY_PARTITIONING): Likewise.
1754 (TV_ALIAS_STMT_WALK): New timevar.
1755 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1756 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1757 (get_address_description): Remove memory-tag related code.
1758 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1759 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1760 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1761 and immediate uses in statements. Document.
1762 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1763 (dump_symbols): Remove.
1764 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1765 * alias.c (get_deref_alias_set): New function split out from ...
1766 (get_alias_set): ... here.
1767 * alias.h (get_deref_alias_set): Declare.
1768 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1769 type parameter. Remove restrict pointer handling. Create a
1770 ref-all pointer in case type-based alias sets do not conflict.
1771 (vect_analyze_data_refs): Remove SMT related code.
1772 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1773 (vectorizable_load): Likewise.
1774 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1775 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1776 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1777 Ignore vops and SMTs.
1778 (dr_analyze_alias): Likewise..
1779 (free_data_ref): Likewise.
1780 (create_data_ref): Likewise.
1781 (analyze_all_data_dependences): Likewise.
1782 (get_references_in_stmt): Adjust.
1783 * tree-flow-inline.h (gimple_aliases_computed_p,
1784 gimple_addressable_vars, gimple_call_clobbered_vars,
1785 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1786 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1787 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1788 gimple_mem_ref_stats): Remove.
1789 (gimple_vop): New function.
1790 (op_iter_next_use): Remove vuses and mayuses cases.
1791 (op_iter_next_def): Remove vdefs case.
1792 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1793 (clear_and_done_ssa_iter): Do not set removed fields.
1794 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1795 Assert we are not iterating over vuses or vdefs if not also
1796 iterating over uses or defs.
1797 (op_iter_init_use): Likewise.
1798 (op_iter_init_def): Likewise.
1799 (op_iter_next_vdef): Remove.
1800 (op_iter_next_mustdef): Likewise.
1801 (op_iter_init_vdef): Likewise.
1802 (compare_ssa_operands_equal): Likewise.
1803 (link_use_stmts_after): Handle vuse operand.
1804 (is_call_used): Use is_call_clobbered.
1805 (is_call_clobbered): Global variables are always call clobbered,
1806 query the call-clobbers bitmap.
1807 (mark_call_clobbered): Ignore global variables.
1808 (clear_call_clobbered): Likewise.
1809 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1810 virtual operands sanity check.
1811 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1813 (TARGET_MEM_REF): Remove TMR_TAG operand.
1814 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1815 Remove call-clobber related code.
1816 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1817 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1818 partitions or escape reason.
1819 (get_single_def_stmt, get_single_def_stmt_from_phi,
1820 get_single_def_stmt_with_phi): Remove.
1821 (dump_referenced_vars): Tidy.
1822 (get_ref_base_and_extent): Allow bare decls.
1823 (collect_dfa_stats): Adjust.
1824 * graphite.c (rename_variables_in_stmt): Adjust.
1825 (graphite_copy_stmts_from_block): Likewise.
1826 (translate_clast): Likewise.
1827 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1829 (translate_vuse_through_block): Use the oracle.
1830 (phi_translate_1): Adjust.
1831 (value_dies_in_block_x): Use the oracle. Cache the outcome
1833 (valid_in_sets): Check if the VUSE for
1834 a REFERENCE is available.
1835 (eliminate): Do not remove stmts during elimination,
1836 instead queue and remove them afterwards.
1837 (do_pre): Do not rebuild alias info.
1838 (pass_pre): Run TODO_rebuild_alias before PRE.
1839 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1840 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1841 (mark_all_v_defs_stmt): Remove.
1842 (mark_all_v_defs_seq): Adjust.
1843 (sra_replace): Likewise.
1844 (scalarize_use): Likewise.
1845 (scalarize_copy): Likewise.
1846 (scalarize_init): Likewise.
1847 (scalarize_ldst): Likewise.
1848 (todoflags): Remove.
1849 (tree_sra): Do not rebuild alias info.
1850 (tree_sra_early): Adjust.
1851 (pass_sra): Run TODO_update_address_taken before SRA.
1852 * tree-predcom.c (set_alias_info): Remove.
1853 (prepare_initializers_chain): Do not call it.
1854 (mark_virtual_ops_for_renaming): Adjust.
1855 (mark_virtual_ops_for_renaming_list): Remove.
1856 (initialize_root_vars): Adjust.
1857 (initialize_root_vars_lm): Likewise.
1858 (prepare_initializers_chain): Likewise.
1859 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1860 (may_propagate_copy_into_stmt): Likewise.
1861 (merge_alias_info): Do nothing for now.
1862 (propagate_tree_value_into_stmt): Adjust.
1863 (stmt_may_generate_copy): Likewise.
1864 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1865 not mark symbols for renaming.
1866 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1867 with the same statement, make sure to update the new pointed-to one.
1868 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1869 call statements, do not mark symbols for renaming.
1870 (mark_operand_necessary): Dump something.
1871 (ref_may_be_aliased): New function.
1872 (mark_aliased_reaching_defs_necessary_1): New helper function.
1873 (mark_aliased_reaching_defs_necessary): Likewise.
1874 (mark_all_reaching_defs_necessary_1): Likewise.
1875 (mark_all_reaching_defs_necessary): Likewise.
1876 (propagate_necessity): Do not process virtual PHIs. For
1877 non-aliased loads mark all reaching definitions as necessary.
1878 For aliased loads and stores mark the immediate dominating
1879 aliased clobbers as necessary.
1880 (visited): New global static.
1881 (perform_tree_ssa_dce): Free visited bitmap after propagating
1883 (remove_dead_phis): Perform simple dead virtual PHI removal.
1884 (remove_dead_stmt): Properly unlink virtual operands when
1886 (eliminate_unnecessary_stmts): Schedule PHI removal after
1888 * tree-ssa-ter.c (is_replaceable_p): Adjust.
1889 (process_replaceable): Likewise.
1890 (find_replaceable_in_bb): Likewise.
1891 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1892 based on the single gimple vop.
1893 (verify_flow_insensitive_alias_info): Remove.
1894 (verify_flow_sensitive_alias_info): Likewise.
1895 (verify_call_clobbering): Likewise.
1896 (verify_memory_partitions): Likewise.
1897 (verify_alias_info): Likewise.
1898 (verify_ssa): Adjust..
1899 (execute_update_addresses_taken): Export. Update SSA
1900 manually. Optimize only when optimizing. Use a local bitmap.
1901 (pass_update_address_taken): Remove TODO_update_ssa, add
1903 (pass_update_address_taken): Just use TODO_update_address_taken.
1904 (init_tree_ssa): Do not initialize addressable_vars.
1905 (verify_ssa): Verify new VUSE / VDEF properties.
1906 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1907 Do not call verify_alias_info.
1908 (delete_tree_ssa): Clear the VUSE, VDEF operands.
1909 Do not free the loaded and stored syms bitmaps. Reset the escaped
1910 and callused solutions. Do not free addressable_vars.
1911 Remove memory-tag related code.
1912 (warn_uninitialized_var): Aliases are always available.
1913 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1914 * lambda-code.c (can_put_in_inner_loop): Adjust.
1915 (can_put_after_inner_loop): Likewise.
1916 (perfect_nestify): Likewise.
1917 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1918 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1919 (vectorizable_conversion): Do not mark symbols for renaming.
1920 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1921 (expand_call_inline): Unlink the calls virtual operands before
1923 (tree_function_versioning): Do not call update_ssa if we are not
1924 updating clones. Simplify.
1925 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1926 (propagate_with_phi): Likewise..
1927 * tree-outof-ssa.c (create_temp): Remove memory tag and call
1928 clobber code. Assert we are not aliased or global.
1929 * tree-flow.h: Include tree-ssa-alias.h
1930 (enum escape_type): Remove.
1931 (struct mem_sym_stats_d): Likewise.
1932 (struct mem_ref_stats_d): Likewise.
1933 (struct gimple_df): Add vop member. Remove global_var,
1934 call_clobbered_vars, call_used_vars, addressable_vars,
1935 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
1936 escaped and callused members.
1937 (struct ptr_info_def): Remove all members, add points-to solution
1939 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1940 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1941 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1942 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1943 (tree-ssa-alias.o): Likewise.
1944 (toplev.o): Add tree-ssa-alias.h
1945 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1946 * gimple.c (gimple_set_bb): Fix off-by-one error.
1947 (is_gimple_reg): Do not handle memory tags.
1948 (gimple_copy): Also copy virtual operands.
1949 Delay updating the statement. Do not reset loaded and stored syms.
1950 (gimple_set_stored_syms): Remove.
1951 (gimple_set_loaded_syms): Likewise.
1952 (gimple_call_copy_skip_args): Copy the virtual operands
1953 and mark the new statement modified.
1954 * tree-ssa-structalias.c (may_alias_p): Remove.
1955 (set_uids_in_ptset): Take the alias set to prune with as
1956 parameter. Fold in the alias test of may_alias_p.
1957 (compute_points_to_sets): Compute whether a ptr is dereferenced
1959 (process_constraint): Deal with &ANYTHING on the lhs, reject all
1960 other ADDRESSOF constraints on the lhs.
1961 (get_constraint_for_component_ref): Assert that we don't get
1962 ADDRESSOF constraints from the base of the reference.
1963 Properly generate UNKNOWN_OFFSET for DEREF if needed.
1964 (struct variable_info): Remove collapsed_to member.
1965 (get_varinfo_fc): Remove.
1966 (new_var_info): Do not set collapsed_to.
1967 (dump_constraint): Do not follow cycles.
1968 (dump_constraint_graph): Likewise.
1969 (build_pred_graph): Likewise.
1970 (build_succ_graph): Likewise.
1971 (rewrite_constraints): Likewise.
1972 (do_simple_structure_copy): Remove.
1973 (do_rhs_deref_structure_copy): Remove.
1974 (do_lhs_deref_structure_copy): Remove.
1975 (collapse_rest_of_var): Remove.
1976 (do_structure_copy): Re-implement.
1977 (pta_stats): New global variable.
1978 (dump_pta_stats): New function.
1979 (struct constraint_expr): Make offset signed.
1980 (UNKNOWN_OFFSET): Define special value.
1981 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1982 (solution_set_expand): New helper function split out from ...
1983 (do_sd_constraint): ... here.
1984 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
1985 (do_ds_constraint): Likewise.
1986 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
1987 and CALLUSED = *CALLUSED.
1988 (set_union_with_increment): Make inc argument signed.
1989 (type_safe): Remove.
1990 (get_constraint_for_ptr_offset): Handle unknown and negative
1992 (first_vi_for_offset): Handle offsets before start. Bail
1993 out early for offsets beyond the variable extent.
1994 (first_or_preceding_vi_for_offset): New function.
1995 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1996 Together with ESCAPED = *ESCAPED this properly computes reachability.
1997 (find_what_var_points_to): New function.
1998 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1999 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2000 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2001 pt_solutions_intersect): New functions.
2002 (compute_call_used_vars): Remove.
2003 (compute_may_aliases): New main entry into PTA computation.
2004 * gimple.h (gimple_p): New typedef.
2005 (struct gimple_statement_base): Remove references_memory_p.
2006 (struct gimple_statement_with_memory_ops_base): Remove
2007 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
2009 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2010 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2011 gimple_set_references_memory): Remove.
2012 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2013 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2015 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2016 (verify_expr): Allow RESULT_DECL.
2017 (gimple_duplicate_bb): Do not copy virtual operands.
2018 (gimple_duplicate_sese_region): Adjust.
2019 (gimple_duplicate_sese_tail): Likewise.
2020 (mark_virtual_ops_in_region): Remove.
2021 (move_sese_region_to_fn): Do not call it.
2022 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2023 and pass_simple_dse.
2024 (execute_function_todo): Handle TODO_update_address_taken,
2025 call execute_update_addresses_taken for TODO_rebuild_alias.
2026 (execute_todo): Adjust.
2027 (execute_one_pass): Init dump files early.
2028 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2030 (create_general_new_stmt): Clear vops.
2031 * tree-ssa-reassoc.c (get_rank): Adjust.
2032 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2033 symbols for renaming.
2034 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2035 (PARAM_AVG_ALIASED_VOPS): Likewise.
2036 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2037 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2038 * tree-ssa-operands.c: Simplify for new virtual operand representation.
2039 (operand_build_cmp, copy_virtual_operands,
2040 create_ssa_artificial_load_stmt, add_to_addressable_set,
2041 gimple_add_to_addresses_taken): Remove public functions.
2042 (unlink_stmt_vdef): New function.
2044 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2046 * config.gcc (powerpc-*-linux*): Merge variants.
2048 2009-04-02 Chao-ying Fu <fu@mips.com>
2049 James Grosbach <james.grosbach@microchip.com>
2051 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2052 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2054 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2055 keep_interrupts_masked_p, use_debug_exception_return_p.
2056 (mips_attribute_table): Add interrupt, use_shadow_register_set,
2057 keep_interrupts_masked, use_debug_exception_return.
2058 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2059 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2061 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2062 (mips_print_operand): Process COP0 registers to print $0 .. $31
2063 correctly for GAS to process.
2064 (mips_interrupt_extra_call_saved_reg_p): New function.
2065 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2067 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2068 (mips_compute_frame_info): Add supports for interrupt context that
2069 includes doubleword accumulators and COP0 registers.
2070 (mips_for_each_saved_acc): New function.
2071 (mips_for_each_saved_gpr_and_fpr): Change the function name from
2072 mips_for_each_saved_reg.
2073 (mips_save_reg): Save accumulators.
2074 (mips_kernel_reg_p): A new for_each_rtx callback.
2075 (mips_expand_prologue): Support interrupt handlers.
2076 (mips_restore_reg): Restore accumulators.
2077 (mips_expand_epilogue): Support interrupt handlers.
2078 (mips_can_use_return_insn): Return false for interrupt handlers.
2079 (mips_epilogue_uses): New function.
2080 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2081 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2082 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2083 cop0_move): New instructions.
2084 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2085 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2087 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2089 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2090 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2091 interrupt handlers, we use K0 as the temporary register.
2092 (EPILOGUE_USES): Change to a function call.
2093 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2094 handlers, we use K0 as the temporary register.
2096 * doc/extend.texi (Function Attributes): Document interrupt,
2097 use_shadow_register_set, keep_interrupts_masked,
2098 use_debug_exception_return for MIPS attributes.
2100 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2102 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2103 Remove a number of t-files from tmake_file.
2104 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2105 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2106 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2107 target_prototype, not TARGET_PROTOTYPE.
2108 (LINK_OS_GNU_SPEC): Define.
2109 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2110 and darwin-ldoubdle.c.
2112 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
2115 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2116 (cpp_options): Ditto.
2117 (default_compilers): Ditto.
2118 (display_help): Ditto.
2119 (process_command): Ditto.
2121 (set_input): Use lbasename instead of duplicate code.
2122 (save_temps_prefix): New static for -save-temps=obj.
2123 (save_temps_length): Ditto.
2125 * doc/invoke.texi (-save-temps=obj): Document new variant to
2128 2009-04-02 Jeff Law <law@redhat.com>
2130 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2133 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2135 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2136 * configure: Regenerated.
2138 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2140 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2141 share the argument list.
2143 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2147 2009-02-12 Diego Novillo <dnovillo@google.com>
2149 * varpool.c (debug_varpool): New.
2150 * cgraph.h (debug_varpool): Declare.
2152 2009-04-02 Jan Hubicka <jh@suse.cz>
2154 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2157 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2159 * config/i386/i386.c (ix86_abi): Move initialization to ...
2160 (override_options): Here.
2162 2009-04-02 Christian Bruel <christian.bruel@st.com>
2164 * config/sh/sh.c (sh_dwarf_register_span): New function.
2165 (TARGET_DWARF_REGISTER_SPAN): Define.
2166 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2168 2009-04-02 Ira Rosen <irar@il.ibm.com>
2170 PR tree-optimization/39595
2171 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
2172 interleaved loads group is not greater than the SLP group size.
2174 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2176 * builtins.c (is_builtin_name): New.
2177 (called_as_built_in): Use is_builtin_name.
2178 * tree.h (is_builtin_name): New.
2179 * varasm.c (incorporeal_function_p): Use is_builtin_name
2181 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
2183 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2185 2009-04-02 Dodji Seketeli <dodji@redhat.com>
2188 * c-decl.c: (clone_underlying_type): Move this ...
2189 * c-common.c (set_underlying_type): ... here.
2190 Also, make sure the function properly sets TYPE_STUB_DECL() on
2191 the newly created typedef variant type.
2192 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2193 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2196 2009-04-02 Richard Guenther <rguenther@suse.de>
2198 PR tree-optimization/37221
2199 * tree-flow.h (degenerate_phi_result): Declare.
2200 * tree-ssa-dom.c (degenerate_phi_result): Export.
2201 * tree-scalar-evolution.c (analyze_initial_condition): If
2202 the initial condition is defined by a degenerate PHI node
2203 use the degenerate value.
2205 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
2207 PR rtl-optimization/39588
2208 * combine.c (merge_outer_ops): Do not set the constant when this
2210 (simplify_shift_const_1): Do not modify it either in this case.
2212 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
2214 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2215 tuning is deprecated if -mtune value is set to an Itanium1 variant.
2217 2009-04-01 Janis Johnson <janis187@us.ibm.com>
2220 * c-lex.c (interpret_float): Default (no suffix) is double.
2222 2009-04-1 Xinliang David Li <davidxl@google.com>
2224 * config/i386/i386.c (legitimate_constant_p): Recognize
2225 all one vector constant.
2227 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2229 * gcc/config/vax/vax.c: Add #includes to silence warnings.
2230 Change #include order to silence two warnings.
2232 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2234 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2235 (ASM_SPEC): Pass -k to the assembler for PIC code.
2237 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2239 * gcc/config.gcc: Add vax-*-linux* to the switch.
2240 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2241 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2243 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2245 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2246 Use predicate macros instead of GET_CODE() == foo.
2247 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2248 ashlsi3, rotrsi3, <unnamed>): Likewise.
2250 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2252 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2253 jbbccihi, jbbccisi): Remova trailing whitespace.
2254 * gcc/config/vax/constraints.md: Likewise.
2255 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2256 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2257 * gcc/config/vax/predicates.md: Likewise.
2258 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2259 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2260 * gcc/config/vax/vax.h: Likewise.
2261 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2263 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2265 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2266 (indirectable_address_p, adjacent_operands_p): Add spaces around
2268 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2270 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2272 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2273 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2274 index_term_p, reg_plus_index_p, legitimate_address_p,
2275 vax_mode_dependent_address_p): Update comments to match functions
2276 modified by the recent int->bool conversion.
2278 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2280 * gcc/config/vax/builtins.md: Update copyright message.
2281 * gcc/config/vax/constraints.md: Likewise.
2282 * gcc/config/vax/netbsd-elf.h: Likewise.
2283 * gcc/config/vax/predicates.md: Likewise.
2284 * gcc/config/vax/vax-protos.h: Likewise.
2285 * gcc/config/vax/vax.c: Likewise.
2286 * gcc/config/vax/vax.h: Likewise.
2287 * gcc/config/vax/vax.md: Likewise.
2288 * gcc/config/vax/vax.opt: Likewise.
2290 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2292 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2293 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2294 * gcc/config/vax/constraints.md (B, R): Likewise.
2295 * gcc/config/vax/predicates.md (external_memory_operand,
2296 nonimmediate_addsub_di_operand): Likewise.
2297 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2298 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2299 untyped_call): Likewise.
2301 2009-04-01 Matt Thomas <matt@3am-software.com>
2303 * config/vax/predicates.md: New file.
2304 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2305 external_const_operand, nonsymbolic_operand, external_memory_operand,
2306 indirect_memory_operand, indexed_memory_operand,
2307 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2308 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2310 * config/vax/constraints.md: New file.
2311 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2313 * config/vax/builtins.md: New file.
2314 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2315 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2317 * config/vax/vax.opt (mqmath): Add option.
2318 * config/vax/vax.md (isfx): Extend with DI.
2319 (VAXintQH, VAXintQHSD): Define.
2320 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2321 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2322 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2323 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2324 (movdi): Update constraints and use vax_output_int_move().
2325 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2326 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2327 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2328 nonlocal_goto): New.
2329 (mov<mode>): Extend accepted operand types.
2330 (subdi3_old): Rename from subdi3, change update constraints and use
2331 a new implementation.
2332 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2333 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2334 MOVE_RATIO, CLEAR_RATIO): Define.
2335 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2336 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2337 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2338 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2339 (split_quadword_operands): Make static and really allow variable
2341 (print_operand_address): Update for PIC generation.
2342 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2343 indexable_address_p, fixup_mathdi_operand,
2344 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2345 (vax_float_literal, legitimate_constant_p,
2346 indirectable_constant_address_p, index_term_p,
2347 reg_plus_index_p): Return bool instead of int.
2348 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2350 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2352 (vax_output_conditional_branch): Indent.
2353 (legitimate_constant_address_p, indirectable_constant_address_p,
2354 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2355 vax_mode_dependent_address_p): Return bool instead of int, update for
2357 * config/vax/vax-protos.h (legitimate_constant_address_p,
2358 legitimate_constant_p, legitimate_address_p,
2359 vax_mode_dependent_address_p): Change declaration to bool.
2360 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2361 vax_expand_addsub_di_operands, vax_output_int_subtract,
2362 vax_output_movmemsi): Declare.
2363 (split_quadword_operands, vax_float_literal): Delete declaration.
2364 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2365 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2366 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2367 ASM_OUTPUT_DWARF_PCREL): Define.
2368 (ASM_SPEC): Change definition to allow PIC generation.
2370 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2372 * doc/sourcebuild.texi: Update front-end requirements.
2374 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2377 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2378 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2379 (booldi3_internal3): Use boolean_or_operator instead of
2382 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2385 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2386 declarator whose size is not an integer constant expression but
2387 folds to an integer constant, then treat it as a constant
2390 2009-04-01 Richard Guenther <rguenther@suse.de>
2392 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2393 i * 4 + 2 to (i * 2 + 1) * 2.
2395 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2398 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2399 return if c_parser_asm_string_literal returned NULL.
2401 2009-04-01 Nick Clifton <nickc@redhat.com>
2403 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2405 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2406 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2407 other typedefs to avoid conflicts with libgcc2.c. Define labels
2408 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2410 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2411 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2414 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2416 * varasm.c (default_function_rodata_section): Declare DOT as
2419 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2420 Andrey Galkin <agalkin@hypercom.com>
2423 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2424 Make object_name unique for each process.
2426 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2429 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2430 addressable variables in the parallel that could go out of scope while
2431 running queued tasks.
2433 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2435 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2436 (CASE_VALUES_THRESHOLD): Redefine.
2437 * config/avr/avr.c (avr_override_options): Remove initialization of
2438 avr_case_values_threshold variable.
2439 (avr_case_values_threshold): Remove variable. Add new function.
2440 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2441 * config/avr/avr.opt (mno-tablejump): Remove option.
2442 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2444 2009-04-01 DJ Delorie <dj@redhat.com>
2446 * varasm.c (default_function_rodata_section): Don't assume
2447 anything about where the first '.' in the section name is.
2449 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2451 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2452 rs6000_emit_stack_tie.
2454 2009-03-31 Ian Lance Taylor <iant@google.com>
2456 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2457 gimple_code with GIMPLE_RESX, not RESX.
2459 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2461 * c-common.c (c_get_ident): New.
2462 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2464 2009-04-01 Ben Elliston <bje@au.ibm.com>
2466 * config/rs6000/sysv4.opt (msdata): Improve option description.
2468 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2470 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2471 (divdf3_internal_lat): Remove.
2472 (divxf3_internal_lat): Remove.
2473 (divxf3_internal_thr): Remove.
2474 (divxf): Use divxf3_internal.
2475 * config/ia64/div.md (divsf3_internal_lat): New.
2476 (divdf3_internal_lat): New.
2477 (divxf3_internal): New.
2479 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2482 * Makefile.in (USE_GCC_STDINT): Define.
2483 (stmp-int-hdrs): Install stdint.h if applicable.
2484 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2486 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2487 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2488 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2489 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2490 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2491 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2492 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2493 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2494 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2495 (c_common_nodes_and_builtins): Initialize
2496 underlying_wchar_type_node. Do not initialize
2497 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2498 nodes for new types.
2499 (c_stddef_cpp_builtins): Define macros for new types.
2500 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2502 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2503 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2504 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2505 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2506 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2507 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2508 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2509 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2510 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2511 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2512 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2513 int16_type_node, int32_type_node, int64_type_node,
2514 uint8_type_node, uint16_type_node, c_uint32_type_node,
2515 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2516 int_least32_type_node, int_least64_type_node,
2517 uint_least8_type_node, uint_least16_type_node,
2518 uint_least32_type_node, uint_least64_type_node,
2519 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2520 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2521 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2522 uintptr_type_node): Define.
2523 * c-cppbuiltin.c (builtin_define_constants,
2524 builtin_define_type_minmax): New.
2525 (builtin_define_stdint_macros): Define more macros.
2526 (c_cpp_builtins): Define more limit macros.
2528 (builtin_define_type_max): Define in terms of
2529 builtin_define_type_minmax. Remove is_long parameter. All
2531 * config.gcc (use_gcc_stdint): Define.
2532 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2533 Add newlib-stdint.h for generic targets.
2534 * config/glibc-stdint.h, config/newlib-stdint.h,
2535 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2536 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2537 * config/score/score.h (UINTPTR_TYPE): Define.
2538 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2539 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2540 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2541 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2542 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2543 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2544 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2545 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2546 * config/spu/spu.h (STDINT_LONG32): Define.
2547 * configure.ac (use_gcc_stdint): Substitute.
2548 * configure: Regenerate.
2549 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2550 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2551 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2552 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2553 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2554 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2555 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2556 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2557 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2558 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2559 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2560 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2561 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2562 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2563 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2564 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2565 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2566 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2567 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2568 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2569 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2570 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2571 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2572 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2573 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2574 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2575 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2576 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2577 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2579 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2581 * loop-iv.c (suitable_set_for_replacement): Renamed from
2582 simplify_using_assignment; changed to return bool and to accept new
2583 args DEST and SRC. Return true iff we find a source/destination pair
2584 that can be used to make a replacement, and fill SRC and DEST if so.
2585 Remove arg ALTERED. Don't deal with altered regs here. All callers
2587 (simplify_using_initial_values): Deal with altered regs here and track
2588 more precisely the effect they have on the validity of our expression.
2590 * loop-iv.c (simplify_using_condition): A condition of the form
2591 (EQ REG CONST) can be used to simply make a substitution.
2592 (simplify_using_initial_values): Keep track of conditions we have seen
2593 and keep using them to simplify new expressions, while applying the
2594 same substitutions to them as to the expression.
2596 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2597 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2600 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2601 changed. Use this when trying to improve the upper bound.
2602 Generate the comparison by using simplify_gen_relational.
2604 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2606 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2608 (simplify_using_assignment, simplify_using_initial_values): Call
2609 replace_in_expr to make replacements. Call replace_single_def_regs
2610 once on the initial version of the expression.
2612 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2615 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2617 2009-03-31 Richard Guenther <rguenther@suse.de>
2620 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2621 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2623 2009-03-31 Richard Guenther <rguenther@suse.de>
2625 * tree.h (div_if_zero_remainder): Declare.
2626 * fold-const.c (div_if_zero_remainder): Export.
2627 * tree-ssa-forwprop.c
2628 (forward_propagate_addr_into_variable_array_index): Handle
2629 constant array index addition outside of the variable index.
2631 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2634 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2635 define_splits, floatunssi<mode>2): Require x87 conversions from
2636 DImode to be permitted.
2638 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2640 PR preprocessor/15638
2641 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2643 2009-03-31 Richard Guenther <rguenther@suse.de>
2647 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2648 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2649 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2650 a separate statement.
2651 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2652 (lookup_tmp_var): Likewise.
2653 (is_gimple_formal_tmp_or_call_rhs): Remove.
2654 (is_gimple_reg_or_call_rhs): Rename to ...
2655 (is_gimple_reg_rhs_or_call): ... this.
2656 (is_gimple_mem_or_call_rhs): Rename to ...
2657 (is_gimple_mem_rhs_or_call): ... this.
2658 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2659 DECL_GIMPLE_REG_P only if is_formal is true.
2660 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2661 for non-proper post-modify expression gimplification.
2662 (gimplify_self_mod_expr): For post-modify expressions gimplify
2663 the lvalue to a minimal lvalue.
2664 (rhs_predicate_for): Remove formal temp case.
2665 (gimplify_modify_expr_rhs): Likewise.
2666 (gimplify_addr_expr): Use is_gimple_reg.
2667 (gimplify_expr): Remove formal temp cases.
2668 (gimple_regimplify_operands): Likewise.
2669 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2670 and FILTER_EXPR like constants.
2671 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2673 (is_gimple_formal_tmp_rhs): Remove.
2674 (is_gimple_reg_rhs): Remove special casing.
2675 (is_gimple_mem_rhs): Fix.
2676 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2677 (is_gimple_formal_tmp_var): Remove.
2678 (is_gimple_formal_tmp_reg): Likewise.
2679 (is_gimple_min_lval): Allow invariant component ref parts.
2680 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2681 is_gimple_formal_tmp_reg): Remove declarations.
2682 * tree-cfg.c (verify_expr): Verify that variables with address
2683 taken do not have DECL_GIMPLE_REG_P set.
2684 * tree-mudflap.c (mf_build_check_statement_for): Use
2685 force_gimple_operand instead of gimplify_expr.
2687 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2689 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2690 schedulable rows to compute_split_row.
2692 2009-03-31 Ben Elliston <bje@au.ibm.com>
2695 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2698 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2700 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2701 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2702 * configure: Regenerate.
2703 * config.in: Regenerate.
2704 * config/rs6000/rs6000.opt (mtls-markers): Add.
2705 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2706 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2707 (tls_ld_aix, tls_ld_sysv): Likewise.
2708 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2709 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2711 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2713 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2715 2009-03-30 Jan Hubicka <jh@suse.cz>
2717 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2719 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2720 detection and label handling.
2722 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2724 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2725 left_conflicts_size.
2726 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2727 ALLOCNO_LEFT_CONFLICTS_SIZE.
2729 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2730 remove_allocno_from_bucket_and_push,
2731 allocno_spill_priority_compare, push_allocnos_to_stack,
2732 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2733 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2734 (setup_allocno_left_conflicts_num): Ditto. Rename to
2735 setup_allocno_left_conflicts_size.
2736 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2737 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2738 setup_allocno_left_conflicts_size instead of
2739 setup_allocno_left_conflicts_num.
2741 * ira-build.c (ira_create_allocno): Use
2742 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2743 ALLOCNO_LEFT_CONFLICTS_NUM.
2745 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2747 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2748 instead of DF_LR_OUT.
2750 * ira-lives.c (process_bb_node_lives): Ditto.
2752 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2753 instead of DF_LR_{OUT,IN}.
2755 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2757 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2759 2009-03-30 Jan Hubicka <jh@suse.cz>
2761 * except.c (label_to_region_map): Fix thinko.
2763 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2766 * tree.h (tree_find_value): New declaration.
2767 * tree.c (tree_find_value): New function.
2768 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2770 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2773 * c-decl.c (struct c_binding): Add locus field.
2774 (bind): Add locus argument, set locus field from it.
2775 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2776 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2777 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2778 implicitly_declare, undeclared_variable, lookup_label,
2779 declare_label, c_make_fname_decl, c_builtin_function,
2780 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2783 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2786 * config/i386/i386.c (classify_argument): Check total size of
2789 2009-03-30 Martin Jambor <mjambor@suse.cz>
2791 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2792 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2793 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2796 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2797 seen_variable_array_ref while also traversing a union.
2799 * tree-inline.c (optimize_inline_calls): Do not call
2800 cgraph_node_remove_callees.
2801 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2802 (pass_remove_cgraph_callee_edges): New variable.
2803 * passes.c (init_optimization_passes): Add
2804 pass_remove_cgraph_callee_edges after early inlining and before all
2805 late intraprocedural passes.
2807 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2809 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2811 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2814 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2816 * combine.c (simplify_comparison): Use have_insn_for.
2817 * dojump.c (do_jump): Likewise.
2819 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2821 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2822 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2823 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2824 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2825 instead of sparc_compare_emitted.
2826 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2827 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2828 instead of sparc_compare_emitted.
2830 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2832 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2833 enter/exit cfglayout mode.
2834 (pass_partition_block): Require it.
2835 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2836 (combine_instructions): Track basic blocks instead of labels.
2837 (update_cfg_for_uncondjump): New.
2838 (try_combine): Use it. Update jumps after rescanning.
2839 (pass_combine): Require PROP_cfglayout.
2840 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2842 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2844 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2845 Provide/destroy PROP_cfglayout respectively.
2846 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2847 * tree-pass.h (PROP_cfglayout): New.
2849 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2851 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2852 fold_convert_const_fixed_from_fixed,
2853 fold_convert_const_fixed_from_int,
2854 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2855 set TREE_CONSTANT_OVERFLOW.
2856 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2857 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2859 2009-03-30 Ira Rosen <irar@il.ibm.com>
2861 * tree-vect-loop-manip.c: New file.
2862 * tree-vectorizer.c: Update documentation and included files.
2863 (vect_loop_location): Make extern.
2864 (rename_use_op): Move to tree-vect-loop-manip.c
2865 (rename_variables_in_bb, rename_variables_in_loop,
2866 slpeel_update_phis_for_duplicate_loop,
2867 slpeel_update_phi_nodes_for_guard1,
2868 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2869 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2870 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2871 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2872 find_loop_location): Likewise.
2873 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2874 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2875 get_vectype_for_scalar_type, vect_is_simple_use,
2876 supportable_widening_operation, supportable_narrowing_operation):
2878 (bb_in_loop_p): Move to tree-vect-loop.c.
2879 (new_loop_vec_info, destroy_loop_vec_info,
2880 reduction_code_for_scalar_code, report_vect_op,
2881 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2882 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2883 (vect_supportable_dr_alignment): Likewise.
2884 * tree-vectorizer.h (tree-data-ref.h): Include.
2885 (vect_loop_location): Declare.
2886 Reorganize function declarations according to the new file structure.
2887 * tree-vect-loop.c: New file.
2888 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2889 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2890 * tree-vect-data-refs.c: New file.
2891 * tree-vect-patterns.c (timevar.h): Don't include.
2892 * tree-vect-stmts.c: New file.
2893 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2894 tree-vect-slp.c, tree-vect-loop.c.
2895 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2896 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
2897 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2898 (tree-vect-analyze.o): Remove.
2899 (tree-vect-transform.o): Likewise.
2900 (tree-vect-data-refs.o): Add rule.
2901 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
2902 tree-vect-slp.o): Likewise.
2903 (tree-vect-patterns.o): Remove redundant dependencies.
2904 (tree-vectorizer.o): Likewise.
2905 * tree-vect-slp.c: New file.
2907 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2909 * optc-gen.awk: Warn if an option flag has multiple different
2912 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
2914 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2915 -floop-block): Document dependences on PPL, CLooG and Graphite.
2917 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2919 PR rtl-optimization/323
2920 * c-common.c (c_fully_fold, convert_and_check,
2921 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2922 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2923 * c-common.def (EXCESS_PRECISION_EXPR): New.
2924 * c-cppbuiltin.c (builtin_define_float_constants): Define
2925 constants with enough digits for long double.
2926 * c-lex.c (interpret_float): Interpret constant with excess
2927 precision where appropriate.
2928 * c-opts.c (c_common_post_options): Set
2929 flag_excess_precision_cmdline. Give an error for
2930 -fexcess-precision=standard for C++ for processors where the
2931 option is significant.
2932 * c-parser.c (c_parser_conditional_expression): Handle excess
2933 precision in condition.
2934 * c-typeck.c (convert_arguments): Handle arguments with excess
2936 (build_unary_op): Move excess precision outside operation.
2937 (build_conditional_expr): Likewise.
2938 (build_compound_expr): Likewise.
2939 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2940 (build_modify_expr): Handle excess precision in RHS.
2941 (convert_for_assignment): Handle excess precision in converted
2943 (digest_init, output_init_element, process_init_element): Handle
2944 excess precision in initializer.
2945 (c_finish_return): Handle excess precision in return value.
2946 (build_binary_op): Handle excess precision in operands and add
2947 excess precision as needed for operation.
2948 * common.opt (-fexcess-precision=): New option.
2949 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2950 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2951 For standard excess precision, output explicit conversion to and
2952 truncation from XFmode.
2953 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2954 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2955 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2956 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2957 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2958 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2959 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2960 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2961 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2962 define_splits, sqrt<mode>2): Disable where appropriate for
2963 standard excess precision.
2964 * convert.c (convert_to_real): Do not shorten arithmetic to type
2965 for which excess precision would be used.
2966 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2967 * doc/invoke.texi (-fexcess-precision=): Document option.
2968 (-mfpmath=): Correct index entry.
2969 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2970 flag_excess_precision): New.
2971 * langhooks.c (lhd_post_options): Set
2972 flag_excess_precision_cmdline.
2973 * opts.c (common_handle_option): Handle -fexcess-precision=.
2974 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2975 init_excess_precision): New.
2976 (lang_dependent_init_target): Call init_excess_precision.
2977 * tree.c (excess_precision_type): New.
2978 * tree.h (excess_precision_type): Declare.
2980 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2983 * c-typeck.c (build_component_ref): Do not copy qualifiers from
2984 non-lvalue to component.
2986 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2988 PR preprocessor/34695
2989 * Makefile.in (c-opts.o): Depend on c-tree.h.
2990 * c-common.c: Move down include of diagnostic.h.
2991 (done_lexing, c_cpp_error): New.
2992 * c-common.h (done_lexing): Declare.
2993 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2995 * c-opts.c: Include c-tree.h.
2996 (c_common_init_options): Set preprocessor error callback.
2997 (c_common_handle_option): Do not set preprocessor
2998 inhibit_warnings, warnings_are_errors, warn_system_headers,
2999 pedantic_errors or inhibit_warnings flags.
3000 (c_common_post_options): Do not check cpp_errors (parse_in).
3001 (c_common_finish): Do not output dependencies if there were
3002 errors. Do not check return value of cpp_finish.
3003 * c-ppoutput.c (pp_file_change): Set input_location.
3004 * c-tree.h (c_cpp_error): Declare.
3005 * diagnostic.c (diagnostic_set_info_translated): Also initialize
3007 (diagnostic_build_prefix): Check override_column.
3008 * diagnostic.h (diagnostic_info): Add override_column field.
3009 (diagnostic_override_column): Define.
3011 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
3013 * c-common.c (c_expand_expr, c_staticp): Remove.
3014 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3015 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3016 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3017 * c-gimplify.c (gimplify_compound_literal_expr,
3018 optimize_compound_literals_in_ctor): Remove.
3019 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3020 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3021 * c-semantics.c (emit_local_var): Remove.
3023 * langhooks-def.h (lhd_expand_expr): Remove.
3024 * langhooks.c (lhd_expand_expr): Remove.
3025 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3027 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3028 handling from c-semantics.c; don't call into langhook.
3029 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3030 * gimplify.c (gimplify_compound_literal_expr,
3031 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3032 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3033 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3034 as was done in c-gimplify.c.
3035 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3036 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3037 Move from c-common.h.
3038 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3040 * tree.c (staticp): Do not call langhook.
3041 * langhooks.c (lhd_staticp): Delete.
3042 * langhooks-def.h (lhd_staticp): Delete prototype.
3043 (LANG_HOOKS_STATICP): Delete.
3044 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3046 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3047 instead of DECL_STMTs.
3049 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3057 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3059 (fold_call_expr): Return a NOP_EXPR from folding rather than the
3060 contained expression.
3061 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3062 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
3063 conditional expressions for C.
3064 (decl_constant_value_for_optimization): Move from
3065 decl_constant_value_for_broken_optimization in c-typeck.c. Check
3066 whether optimizing and that the expression is a VAR_DECL not of
3067 array type instead of doing such checks in the caller. Do not
3068 check pedantic. Call gcc_unreachable for C++.
3069 * c-common.def (C_MAYBE_CONST_EXPR): New.
3070 * c-common.h (c_fully_fold, c_save_expr,
3071 decl_constant_value_for_optimization): New prototypes.
3072 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3073 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3074 EXPR_INT_CONST_OPERANDS): Define.
3075 * c-convert.c (convert): Strip nops from expression.
3076 * c-decl.c (groktypename): Take extra parameters expr and
3077 expr_const_operands. Update call to grokdeclarator.
3078 (start_decl): Update call to grokdeclarator. Add statement for
3079 expressions used in type of decl.
3080 (grokparm): Update call to grokdeclarator.
3081 (push_parm_decl): Update call to grokdeclarator.
3082 (build_compound_literal): Add parameter non_const and build a
3083 C_MAYBE_COSNT_EXPR if applicable.
3084 (grokdeclarator): Take extra parameters expr and
3085 expr_const_operands. Track expressions used in declaration
3086 specifiers and declarators. Fold array sizes and track whether
3087 they are constant expressions and whether they are integer
3088 constant expressions.
3089 (parser_xref_tag): Set expr and expr_const_operands fields in
3091 (grokfield): Update call to grokdeclarator.
3092 (start_function): Update call to grokdeclarator.
3093 (build_null_declspecs): Set expr and expr_const_operands fields in
3095 (declspecs_add_type): Handle expressions in typeof specifiers.
3096 * c-parser.c (c_parser_declspecs): Set expr and
3097 expr_const_operands fields for declaration specifiers.
3098 (c_parser_enum_specifier): Likewise.
3099 (c_parser_struct_or_union_specifier): Likewise.
3100 (c_parser_typeof_specifier): Likewise. Update call to
3101 groktypename. Fold expression as needed. Return expressions with
3102 type instead of adding statements.
3103 (c_parser_attributes): Update calls to c_parser_expr_list.
3104 (c_parser_statement_after_labels): Fold expression before passing
3105 to objc_build_throw_stmt.
3106 (c_parser_condition): Fold expression.
3107 (c_parser_asm_operands): Fold expression.
3108 (c_parser_conditional_expression): Use c_save_expr. Update call
3109 to build_conditional_expr.
3110 (c_parser_alignof_expression): Update call to groktypename.
3111 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3112 original_code. Fold expression argument of va_arg. Create
3113 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3114 argument to va_arg. Update calls to groktypename. Fold array
3115 index for offsetof. Verify that first argument to
3116 __builtin_choose_expr has integer type.
3117 (c_parser_postfix_expression_after_paren_type): Update calls to
3118 groktypename and build_compound_literal. Handle expressions with
3119 side effects in type name.
3120 (c_parser_postfix_expression_after_primary): Update call to
3121 c_parser_expr_list. Set original_code for calls to
3122 __builtin_constant_p.
3123 (c_parser_expr_list): Take extra parameter fold_p. Fold
3124 expressions if requested.
3125 (c_parser_objc_type_name): Update call to groktypename.
3126 (c_parser_objc_synchronized_statement): Fold expression.
3127 (c_parser_objc_receiver): Fold expression.
3128 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3129 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3130 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3131 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3132 (struct c_typespec): Add elements expr and expr_const_operands.
3133 (struct c_declspecs): Add elements expr and expr_const_operands.
3134 (groktypename, build_conditional_expr, build_compound_literal):
3136 (in_late_binary_op): Declare.
3137 * c-typeck.c (note_integer_operands): New function.
3138 (in_late_binary_op): New variable.
3139 (decl_constant_value_for_broken_optimization): Move to c-common.c
3140 and rename to decl_constant_value_for_optimization.
3141 (default_function_array_conversion): Do not strip nops.
3142 (default_conversion): Do not call
3143 decl_constant_value_for_broken_optimization.
3144 (build_array_ref): Do not fold result.
3145 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
3146 result when operand is a VLA.
3147 (c_expr_sizeof_type): Update call to groktypename. Handle
3148 expressions included in type name. Use C_MAYBE_CONST_EXPR for
3149 result when operand names a VLA type.
3150 (build_function_call): Update call to build_compound_literal.
3151 Only fold result for calls to __builtin_* functions. Strip
3152 NOP_EXPR from INTEGER_CST returned from such functions. Fold
3153 the function designator.
3154 (convert_arguments): Fold arguments. Update call to
3155 convert_for_assignment.
3156 (build_unary_op): Handle increment and decrement of
3157 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
3158 decrement earlier. Fold operand of increment and decrement.
3159 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
3160 built for integer operand. Wrap returns that are INTEGER_CSTs
3161 without being integer constant expressions or that have integer
3162 constant operands without being INTEGER_CSTs.
3163 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3164 (build_conditional_expr): Add operand ifexp_bcp. Track whether
3165 result is an integer constant expression or can be used in
3166 unevaluated parts of one and avoid folding and wrap as
3167 appropriate. Fold operands before possibly doing -Wsign-compare
3169 (build_compound_expr): Wrap result for C99 if operands can be used
3170 in integer constant expressions.
3171 (build_c_cast): Update call to digest_init. Do not ignore
3172 overflow from casting floating-point constants to integers. Wrap
3173 results that could be confused with integer constant expressions,
3174 null pointer constants or floating-point constants.
3175 (c_cast_expr): Update call to groktypename. Handle expressions
3176 included in type name.
3177 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
3178 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
3179 Update calls to convert_for_assignment.
3180 (convert_for_assignment): Take new parameter
3181 null_pointer_constant. Do not strip nops or call
3182 decl_constant_value_for_broken_optimization. Set
3183 in_late_binary_op for conversions to boolean.
3184 (store_init_value): Update call to digest_init.
3185 (digest_init): Take new parameter null_pointer_constant. Do not
3186 call decl_constant_value_for_broken_optimization. pedwarn for
3187 initializers not constant expressions. Update calls to
3188 convert_for_assignment.
3189 (constructor_nonconst): New.
3190 (struct constructor_stack): Add nonconst element.
3191 (really_start_incremental_init, push_init_level, pop_init_level):
3192 Handle constructor_nonconst and nonconst element.
3193 (set_init_index): Call constant_expression_warning for array
3195 (output_init_element): Fold value. Set constructor_nonconst as
3196 applicable. pedwarn for initializers not constant expressions.
3197 Update call to digest_init. Call constant_expression_warning
3198 where constant initializers are required.
3199 (process_init_element): Use c_save_expr.
3200 (c_finish_goto_ptr): Fold expression.
3201 (c_finish_return): Fold return value. Update call to
3202 convert_for_assignment.
3203 (c_start_case): Fold switch expression.
3204 (c_process_expr_stmt): Fold expression.
3205 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3206 ensure statement expression is not evaluated in constant expression.
3207 (build_binary_op): Track whether results are integer constant
3208 expressions or may occur in such, disable folding and wrap results
3209 as applicable. Fold operands for -Wsign-compare warnings unless
3211 (c_objc_common_truthvalue_conversion): Handle results folded to
3212 integer constants that are not integer constant expressions.
3213 * doc/extend.texi: Document when typeof operands are evaluated,
3214 that condition of __builtin_choose_expr is an integer constant
3215 expression, and more about use of __builtin_constant_p in
3218 2009-03-29 Richard Guenther <rguenther@suse.de>
3220 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3221 propagate addresses of array references.
3223 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
3225 * regmove.c (perhaps_ends_bb_p): Remove.
3226 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
3227 from INSN and check that the main loop stays within that basic block.
3228 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3229 (regmove_forward_pass): Split out from regmove_optimize. Use
3230 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3231 (regmove_backward_pass): Split out from regmove_optimize. Use
3232 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3233 (regmove_optimize): Simplify.
3235 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3238 * config/i386/i386.c (classify_argument): Ignore flexible array
3239 member in struct and warn ABI change.
3241 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3243 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3245 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3246 (ix86_adjust_cost): Updated.
3248 2009-03-29 Jan Hubicka <jh@suse.cz>
3251 * tree-pass.h (pass_cleanup_eh): New function.
3252 (remove_unreachable_regions): Break code handling RTL
3253 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3254 that can not be reached by runtime.
3255 (can_be_reached_by_runtime): New function.
3256 (label_to_region_map): New function.
3257 (num_eh_regions): New function.
3258 (rtl_remove_unreachable_regions): New function.
3259 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3260 (remove_eh_region): New function.
3261 * except.h: Include sbitmap and vecprim.
3262 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3263 num_eh_regions): Declare.
3264 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3265 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3266 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3267 (tree_empty_eh_handler_p): New function.
3268 (cleanup_empty_eh): New function.
3269 (cleanup_eh): New function.
3270 (pass_cleanup_eh): New function.
3272 2009-03-29 Jan Hubicka <jh@suse.cz>
3274 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3275 for removed regions.
3277 2009-03-29 Jan Hubicka <jh@suse.cz>
3279 * except.c (dump_eh_tree): Dump all datastructures.
3281 2009-03-29 Jan Hubicka <jh@suse.cz>
3283 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3284 (duplicate_eh_regions_1): Likewise.
3285 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3286 vector; call EH verification.
3287 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3288 Be ready for region being removed.
3290 2009-03-29 Jan Hubicka <jh@suse.cz>
3292 * bitmap.c (bitmap_last_set_bit): New function.
3293 * bitmap.h (bitmap_last_set_bit): Declare.
3295 2009-03-29 David Ayers <ayers@fsfe.org>
3298 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3299 by calling objc_compare_types and surpress warnings about
3300 incompatible C pointers that are compatible ObjC pointers.
3302 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3304 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3305 call initialize_inline_failed.
3306 (initialize_inline_failed): Move it from here ...
3307 * cgraph.c (initialize_inline_failed): ... to here.
3308 (cgraph_create_edge): Call initialize_inline_failed rather than
3309 setting inline_failed directly.
3311 2009-03-29 Ben Elliston <bje@au.ibm.com>
3314 * sysv4.opt (msdata): Improve comment.
3315 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3316 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3318 2009-03-29 Ben Elliston <bje@au.ibm.com>
3321 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3322 load and store attributes.
3324 2009-03-29 Ben Elliston <bje@au.ibm.com>
3326 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3327 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3328 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3329 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3330 __builtin_infq and __builtin_huge_valq.
3332 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3334 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3336 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3337 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3339 2009-03-28 Xinliang David Li <davidxl@google.com>
3341 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3342 (do_dbg_cnt): New function.
3344 2009-03-28 Jan Hubicka <jh@suse.cz>
3346 Merge from pretty-ipa:
3348 2009-03-27 Jan Hubicka <jh@suse.cz>
3350 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3351 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3352 * passes.c (function_called_by_processed_nodes_p): New.
3353 * ipa-pure-const.c (check_call): Fix handling of operands.
3354 (analyze_function): Dump debug output for skipped bodies.
3355 (local_pure_const): Use function_called_by_processed_nodes_p.
3356 * dwarf2out.c (reference_to_unused): Use output.
3357 * passes.c (do_per_function_toporder): Likewise.
3359 2008-11-12 Jan Hubicka <jh@suse.cz>
3361 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3362 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3363 state_set_in_source enum
3364 (check_decl): Ignore memory tags; do not set fake looping flags;
3366 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3367 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3368 (check_call, analyze_function): Rewrite.
3370 (add_new_function): Update call of analyze_function.
3371 (generate_summary): Add call of analyze_function.
3372 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3373 (local_pure_const): New function.
3374 (pass_local_pure_const): New pass.
3375 * ipa-inline.c (inline_transform): Set after_inlining.
3376 * tree-eh.c (stmt_can_throw_external): New.
3377 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3378 work with aliasing built.
3379 * tree-flow.h (stmt_can_throw_external): New.
3380 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3381 and local pure/const pass in early and late optimization queue.
3383 2009-03-28 Martin Jambor <mjambor@suse.cz>
3385 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3387 (fold_binary): Allow function decl aligment consideration is the
3388 second argument is integer constant one.
3389 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3390 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3391 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3393 2009-03-28 Jan Hubicka <jh@suse.cz>
3395 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3396 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3397 * function.h (rtl_data): Add nothrow flag.
3398 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3399 set DECL_NOTHROW for AVAILABLE functions.
3401 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3403 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3404 following vector keyword has expansion starting with pixel or bool
3405 keyword, expand vector to __vector and pixel or bool to __pixel or
3409 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3410 warn_if_disallowed_function_p): Removed.
3411 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3412 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3413 warning_if_disallowed_function_p.
3414 * flags.h (warn_if_disallowed_function_p,
3415 warn_disallowed_functions): Removed.
3416 * common.opt (Wdisallowed-function-list=): Removed.
3417 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3419 2009-03-28 Richard Guenther <rguenther@suse.de>
3421 PR tree-optimization/38723
3422 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3425 2009-03-28 Jan Hubicka <jh@suse.cz>
3427 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3428 test introduced by my previous patch.
3430 2009-03-28 Richard Guenther <rguenther@suse.de>
3432 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3433 the PHIs value undefined.
3435 2009-03-28 Jan Hubicka <jh@suse.cz>
3437 * tree-pass.h (pass_fixup_cfg): New pass.
3438 * ipa-inline.c (inline_transform): Set
3439 always_inline_functions_inlined/after_inlining.
3440 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3441 (pass_fixup_cfg): New pass.
3442 * passes.c (init_optimization_passes): Add fixup_cfg.
3444 2009-03-28 Richard Guenther <rguenther@suse.de>
3446 PR tree-optimization/38458
3447 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3448 argument use the arguments copy-of value.
3450 2009-03-28 Richard Guenther <rguenther@suse.de>
3452 PR tree-optimization/38180
3453 * tree-ssa-ccp.c (get_default_value): Simplify.
3454 (likely_value): Likewise.
3455 (surely_varying_stmt_p): Properly handle VOP case.
3456 (ccp_initialize): Likewise.
3457 (ccp_fold): Handle propagating through *&.
3458 (fold_const_aggregate_ref): Also handle decls.
3460 2009-03-28 Jan Hubicka <jh@suse.cz>
3462 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3463 * cgraph.h (cgraph_node): Likewise.
3464 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3465 (cgraph_reset_node): Use process flag.
3466 (cgraph_mark_functions_to_output): Likewise.
3467 (cgraph_expand_function): Likewise.
3468 (cgraph_expand_all_functions): Likewise.
3469 (cgraph_output_in_order): Likewise.
3470 * dwarf2out.c (reference_to_unused): Likewise.
3471 * passes.c do_per_function_toporder): Likewise.
3473 2009-03-28 Jan Hubicka <jh@suse.cz>
3475 Bring from lto-branch:
3477 2008-09-03 Doug Kwan <dougkwan@google.com>
3479 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3480 enums instead of reason strings.
3481 * cgraph.c (cgraph_create_edge): Same.
3482 (cgraph_inline_failed_string): New function.
3483 * cgraph.h (cgraph_inline_failed_t): New enum type.
3484 (cgraph_inline_failed_string): New prototype.
3485 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3486 char pointer to cgraph_inline_failed_t.
3487 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3488 (cgraph_default_inline_p): Ditto.
3489 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3490 to cgraph_inline_failed_t pointer.
3491 * cif-code.def: New file.
3492 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3494 (cgraph_check_inline_limits): Change type of REASON to pointer to
3495 cgraph_inline_failed_t. Replace reason strings with enums.
3496 (cgraph_default_inline_p): Ditto.
3497 (cgraph_recursive_inlining_p): Ditto.
3498 (update_caller_keys): Change type of FAILED_REASON to
3499 cgraph_inline_failed_t.
3500 (cgraph_set_inline_failed): Change type of REASON to pointer to
3501 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3502 convert enums to strings for text output.
3503 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3504 to be of type cgraph_inline_failed_t. Replace reason strings with
3505 enums. Call cgraph_inline_failed_string to covert enums
3506 to strings for text output.
3507 (cgraph_decide_inlining): Replace reason strings with enums.
3508 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3509 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3511 * tree-inline.c (expand_call_inline): Change type of REASON
3512 to cgraph_inline_failed_t. Replace reason strings with enums.
3513 Call cgraph_inline_failed_string for text output.
3514 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3517 2009-03-28 Jan Hubicka <jh@suse.cz>
3519 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3520 cgraph_clone_node): Remove master clone handling.
3521 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3522 * cgraph.h (master_clone): Remove.
3523 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3524 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3525 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3527 2009-03-28 Jan Hubicka <jh@suse.cz>
3529 * cgraph.c (cgraph_function_body_availability): Functions declared
3530 inline are always safe to assume that it is not going to be replaced.
3532 2009-03-28 Richard Guenther <rguenther@suse.de>
3534 PR tree-optimization/38513
3535 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3536 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3537 EXC_PTR_EXPR and FILTER_EXPR.
3538 (get_ref_from_reference_ops): Likewise.
3540 2009-03-28 Richard Guenther <rguenther@suse.de>
3542 PR tree-optimization/38968
3543 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3544 Use FLOOR_MOD_EXPR to compute misalignment.
3546 2009-03-28 Richard Guenther <rguenther@suse.de>
3548 PR tree-optimization/37795
3549 * tree.h (combine_comparisons): Declare.
3550 * fold-const.c (combine_comparisons): Export.
3551 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3553 (ifcombine_iforif): Use combine_comparisons.
3555 2009-03-28 Jan Hubicka <jh@suse.cz>
3557 * tree-eh.c (inlinable_call_p): New function.
3558 (make_eh_edges): Use it.
3559 (verify_eh_edges): Use it.
3560 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3561 * except.c (reachable_next_level): Add inlinable_function argument
3562 (sjlj_find_directly_reachable_regions): Update.
3563 (add_reachable_handler): Do not set saw_any_handlers.
3564 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3565 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3566 Add new inlinable call parameter.
3567 (can_throw_internal, can_throw_external): Update.
3568 * except.h (can_throw_internal_1, can_throw_external_1,
3569 foreach_reachable_handler): Update declaration.
3571 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3573 * config/arm/t-arm-coff, config/h8300/coff.h,
3574 config/i386/i386-aout.h, config/i386/i386-coff.h,
3575 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3576 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3577 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3578 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3579 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3580 sys-types.h: Remove.
3581 * Makefile.in: Remove protoize and fixproto support and references
3583 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3584 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3586 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3587 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3588 unprotoize$(exeext).
3589 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3590 (.PHONY): Don't depend on proto.
3591 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3592 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3593 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3594 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3595 build/gen-protos.o, build/scan.o, xsys-protos.h,
3596 build/fix-header$(build_exeext), build/fix-header.o,
3597 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3598 stmp-install-fixproto): Remove.
3599 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3600 SYSCALLS.c or fixproto files.
3601 (install-common): Don't install protoize.
3602 (install-headers-tar, install-headers-cpio, install-headers-cp):
3603 Don't depend on $(STMP_FIXPROTO).
3604 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3605 install fixproto files or write out fixproto settings.
3606 (uninstall): Don't uninstall protoize.
3607 * config.gcc (use_fixproto): Remove.
3608 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3609 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3610 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3611 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3612 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3613 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3614 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3615 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3616 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3617 * config/t-vxworks (STMP_FIXPROTO): Remove.
3618 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3619 STMP_FIXPROTO): Remove.
3620 * config.in, configure: Regenerate.
3621 * crtstuff.c (gid_t, uid_t): Don't undefine.
3622 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3623 (arm-*-coff, arm-*-aout: Remove target entries.
3624 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3625 Remove mention of AIX 4.1.
3626 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3627 * doc/invoke.texi (Running Protoize): Remove.
3628 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3629 (Protoize Caveats): Remove.
3630 * tsystem.h: Update comments on headers assumed to exist.
3632 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3634 * genautomata.c: Add a new year to the copyright. Add a new
3636 (struct insn_reserv_decl): Add comments for member bypass_list.
3637 (find_bypass): Remove.
3638 (insert_bypass): New.
3639 (process_decls): Use insert_bypass.
3640 (output_internal_insn_latency_func): Output all bypasses with the
3641 same input insn in one switch case.
3643 * rtl.def (define_bypass): Describe bypass choice.
3644 * doc/md.texi (define_bypass): Ditto.
3646 2009-03-27 Richard Guenther <rguenther@suse.de>
3648 * gimplify.c (mark_addressable): Export.
3649 * tree-flow.h (mark_addressable): Declare.
3650 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3651 * tree-ssa.c (verify_phi_args): Verify that address taken
3652 variables have TREE_ADDRESSABLE set.
3654 2009-03-27 Richard Guenther <rguenther@suse.de>
3656 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3657 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3658 Do not mark decls TREE_ADDRESSABLE.
3659 (build_fold_addr_expr): Adjust.
3660 (fold_addr_expr): Remove.
3661 (fold_unary): Use build_fold_addr_expr.
3662 (fold_comparison): Likewise.
3663 (split_address_to_core_and_offset): Likewise.
3664 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3666 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3667 (gimplify_modify_expr_to_memcpy): Mark source and destination
3669 * omp-low.c (create_omp_child_function): Mark the object decl
3671 (lower_rec_input_clauses): Mark the var we take the address of
3673 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3675 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3678 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3679 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3681 2009-03-27 Richard Guenther <rguenther@suse.de>
3683 PR tree-optimization/39120
3684 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3686 (handle_lhs_call): Process return constraints. Add escape
3687 constraints if necessary.
3688 (handle_const_call): Fill out return constraints. Make nested
3689 case more precise. Avoid consttmp if possible.
3690 (handle_pure_call): Fill out return constraints. Avoid
3691 callused if possible.
3692 (find_func_aliases): Simplify call handling.
3694 2009-03-27 Richard Guenther <rguenther@suse.de>
3696 PR tree-optimization/39120
3697 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3698 as a representative.
3699 (solve_graph): Do propagate CALLUSED.
3700 (handle_pure_call): Use a scalar constraint from CALLUSED for
3702 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3705 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3708 * c-common.c (handle_aligned_attribute): Properly check alignment
3709 overflow. Use (1U << i) instead of (1 << i).
3711 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3713 * expr.h (get_mem_align_offset): Updated.
3715 * tree.h (tree_decl_common): Change align to "unsigned int" and
3716 move it before pointer_alias_set.
3718 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3719 Jakub Jelinek <jakub@redhat.com>
3722 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3723 gr_register_operand with gr_reg_or_0_operand.
3724 (cmpxchg_rel_di): Likewise.
3725 (sync_lock_test_and_set<mode>): Likewise.
3727 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3729 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3730 (true_regnum): Likewise.
3732 * rtlanal.c (subreg_info): Moved to ...
3733 * rtl.h (subreg_info): Here. New.
3734 (subreg_get_info): New.
3736 * rtlanal.c (subreg_get_info): Make it extern.
3738 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3741 * config/i386/i386.c (ix86_abi): New.
3742 (override_options): Handle -mabi=.
3743 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3744 (ix86_call_abi_override): Likewise.
3745 (init_cumulative_args): Likewise.
3746 (function_arg_advance): Likewise.
3747 (function_arg_64): Likewise.
3748 (function_arg): Likewise.
3749 (ix86_pass_by_reference): Likewise.
3750 (ix86_function_value_regno_p): Likewise.
3751 (ix86_build_builtin_va_list_abi): Likewise.
3752 (setup_incoming_varargs_64): Likewise.
3753 (is_va_list_char_pointer): Likewise.
3754 (ix86_init_machine_status): Likewise.
3755 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3756 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3757 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3758 (ix86_function_abi): Make it static and return enum calling_abi.
3759 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3761 (ix86_fn_abi_va_list): Updated.
3763 * config/i386/i386.h (ix86_abi): New.
3764 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3765 (CONDITIONAL_REGISTER_USAGE): Likewise.
3766 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3767 (machine_function): Likewise.
3769 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3771 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3772 (STACK_BOUNDARY): Likewise.
3773 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3775 * config/i386/i386.opt (mabi=): New.
3777 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3778 return enum calling_abi.
3779 (ix86_function_type_abi): Likewise.
3780 (ix86_function_abi): Removed.
3782 * doc/invoke.texi: Document -mabi= option for x86.
3784 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3786 * builtins.c (real_dconstp): Delete.
3787 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3789 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3790 Jakub Jelinek <jakub@redhat.com>
3793 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3794 (gen_subprogram_die): When a function is explicit, generate the
3795 DW_AT_explicit attribute.
3796 * langhooks.h (struct lang_hooks_for_decls): Add
3797 function_decl_explicit_p langhook.
3798 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3799 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3801 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3803 * builtins.c (fold_builtin_memory_op): Optimize memmove
3804 into memcpy if we can prove source and destination don't overlap.
3806 * tree-inline.c: Include gt-tree-inline.h.
3807 (clone_fn_id_num): New variable.
3808 (clone_function_name): New function.
3809 (tree_function_versioning): Use it.
3810 * Makefile.in (GTFILES): Add tree-inline.c.
3812 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3814 * BASE-VER: Change to 4.5.0.
3816 2009-03-27 Xinliang David Li <davidxl@google.com>
3818 PR tree-optimization/39557
3819 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3821 2009-03-27 Xinliang David Li <davidxl@google.com>
3823 PR tree-optimization/39548
3824 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3827 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3829 * c-common.c (pointer_int_sum): Use %wd on return from
3832 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3834 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3835 on return from tree_low_cst.
3837 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3840 * ginclude/stdarg.h (va_copy): Define also for
3841 __GXX_EXPERIMENTAL_CXX0X__.
3843 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3846 * builtins.h (c_strlen): Do not warn here.
3847 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3848 * c-common.c (pointer_int_sum): Take an explicit location.
3849 Warn about offsets out of bounds.
3850 * c-common.h (pointer_int_sum): Adjust declaration.
3852 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3854 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3857 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3860 * opts.c (warn_if_disallowed_function_p): Don't assume
3861 get_callee_fndecl must return non-NULL.
3863 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3865 PR rtl-optimization/39522
3866 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3867 when reg_reloaded_valid is set.
3869 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3871 * config/spu/divv2df3.c: New file.
3872 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3873 (DPBIT_FUNCS): Filter out _div_df.
3875 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3877 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3878 a jump insn, count that jump in the distance to the loop start.
3880 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
3883 * config/sh/sh.c (calc_live_regs): Fix condition for global
3884 registers except PIC_OFFSET_TABLE_REGNUM.
3886 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
3889 * doc/invoke.texi (-mconsole): New.
3893 (-mnop-fun-dllimport): New.
3897 (sub section "i386 and x86-64 Windows Options"): New.
3899 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
3901 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3902 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3904 2009-03-25 Richard Guenther <rguenther@suse.de>
3907 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3910 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
3912 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3913 neither of haifa/selective schedulers are working.
3915 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3917 * doc/invoke.texi (Debugging Options): Fix description of
3918 -fno-merge-debug-strings.
3920 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
3922 * config/cris/libgcc.ver: New version-script.
3923 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3925 * configure.ac <GAS features, nop mnemonic>: Add pattern
3926 crisv32-*-* for "nop".
3927 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3928 * configure: Regenerate.
3930 2009-03-24 Ira Rosen <irar@il.ibm.com>
3932 PR tree-optimization/39529
3933 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3934 mark_sym_for_renaming for the tag copied to the new vector
3937 2009-03-24 Arthur Loiret <aloiret@debian.org>
3939 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3940 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3941 EXTRA_SPEC_FUNCTIONS.
3942 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3943 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3944 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3945 -march and -mtune options.
3947 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
3949 * config/m68k/t-rtems: Add m5329 multilib.
3951 2009-03-24 Dodji Seketeli <dodji@redhat.com>
3952 Jakub Jelinek <jakub@redhat.com>
3955 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3958 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3961 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3962 instead of c_parser_expression_conv, if original_code isn't one of the
3963 4 allowed comparison codes, fail.
3965 2009-03-23 Richard Guenther <rguenther@suse.de>
3967 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3968 * tree.h (struct tree_type): Likewise.
3969 * reload.h (struct insn_chain): Likewise.
3970 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3971 * function.h (struct function): Likewise.
3972 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3974 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3976 PR tree-optimization/39516
3977 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3979 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
3981 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3982 should be set true if BITS_PER_WORD of target is bigger than 32
3984 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
3986 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3987 Translate -B-options to -rpath-link. Correct existing
3988 rpath-link and conditionalize on !nostdlib.
3990 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3992 * doc/extend.texi (Function Attributes, Variable Attributes):
3994 * doc/invoke.texi (Debugging Options, Optimize Options)
3995 (i386 and x86-64 Options, MCore Options): Likewise.
3997 2009-03-20 Jakub Jelinek <jakub@redhat.com>
4000 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4001 it for block local namespace aliases.
4002 (gen_decl_die): Pass context_die to gen_namespace_die.
4004 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4007 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4008 minimum or maximum value.
4010 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
4012 * reginfo.c (globalize_reg): Recompute derived reg sets.
4014 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
4017 * libgcc2.c (mprotect): Do not use signed arguments for
4018 VirtualProtect, use DWORD arguments. Also fix the 'may
4019 be used uninitialized' warning for the np variable.
4021 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4024 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4025 functions using regparm calling conventions when not optimizing.
4026 (ix86_function_sseregparm): Similarly for sseregparm calling
4029 2009-03-19 Li Feng <nemokingdom@gmail.com>
4032 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4033 dependence if the first conflict is after niter iterations.
4035 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
4038 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4039 functions with dynamic stack-pointer adjustments.
4041 2009-03-19 Ben Elliston <bje@au.ibm.com>
4043 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4044 option; change to -msdata=data.
4046 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4048 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4051 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
4054 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4056 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
4058 * doc/invoke.texi (Code Gen Options): Expand discussion of
4061 2009-03-18 Jakub Jelinek <jakub@redhat.com>
4063 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4064 * matrix-reorg.c (struct matrix_info): Likewise.
4065 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4066 * rtl.h (struct mem_attrs): Likewise.
4067 * df.h (struct df): Likewise.
4068 * tree-data-ref.h (struct data_dependence_relation): Likewise.
4069 * ira-int.h (struct ira_allocno): Likewise.
4070 * df-scan.c (struct df_collection_rec): Likewise.
4071 * ira.c (struct equivalence): Likewise.
4072 * function.c (struct temp_slot): Likewise.
4073 * cfgloop.h (struct loop): Likewise.
4076 * function.c (use_register_for_decl): When not optimizing, disregard
4077 register keyword for variables with types containing methods.
4079 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
4082 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4083 (is_simple_operand): Call contains_component_ref_p before calling data
4084 reference analysis that would fail on COMPONENT_REFs.
4086 * tree-vrp.c (search_for_addr_array): Fix formatting.
4088 2009-03-18 Richard Guenther <rguenther@suse.de>
4090 * tree-vect-transform.c (vect_loop_versioning): Fold the
4091 generated comparisons.
4092 * tree-vectorizer.c (set_prologue_iterations): Likewise.
4093 (slpeel_tree_peel_loop_to_edge): Likewise.
4095 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4098 * opts.c (print_specific_help): In addition to `undocumented',
4099 accept `separate' and `joined' flags if passed alone. Describe
4100 output by the first matched one of those.
4101 (common_handle_option): Skip over empty strings.
4102 * gcc.c (display_help): Fix help string for `--help='.
4103 * doc/invoke.texi (Option Summary, Overall Options): With
4104 `--help=', classes and qualifiers can both be repeated, but
4105 only the latter can be negated. One should not pass only
4106 negated qualifiers. Fix markup and examples.
4109 2008-10-14 Jakub Jelinek <jakub@redhat.com>
4111 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4112 and -fhelp=separate.
4114 2009-03-17 Jing Yu <jingyu@google.com>
4117 * function.h (struct rtl_data): Move is_thunk from here...
4118 (struct function): ...to here.
4119 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4120 * varasm.c (assemble_start_function): Change is_thunk from crtl to
4122 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4124 (alpha_does_function_need_gp, alpha_start_function): Likewise.
4125 (alpha_output_function_end_prologue): Likewise.
4126 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4127 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4128 (rs6000_output_function_epilogue): Likewise.
4129 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4131 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
4134 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4135 from different units in a single alternative.
4136 (*truncdfsf_i387): Ditto.
4137 (*truncxfsf2_mixed): Ditto.
4138 (*truncxfdf2_mixed): Ditto.
4140 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4142 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4143 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4146 * tree-ssa-live.c (remove_unused_locals): Don't remove local
4147 unused non-artificial variables when not optimizing.
4150 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4151 DW_TAG_imported_module even if decl is IMPORTED_DECL with
4152 NAMESPACE_DECL in its DECL_INITIAL.
4155 * optabs.c (set_user_assembler_libfunc): New function.
4156 * expr.h (set_user_assembler_libfunc): New prototype.
4157 * c-common.c: Include libfuncs.h.
4158 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4159 for memcmp, memset, memcpy, memmove and abort.
4160 * Makefile.in (c-common.o): Depend on libfuncs.h.
4163 * dwarf2out.c (gen_inlined_enumeration_type_die,
4164 gen_inlined_structure_type_die, gen_inlined_union_type_die,
4165 gen_tagged_type_instantiation_die): Removed.
4166 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4169 2009-03-17 Janis Johnson <janis187@us.ibm.com>
4172 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4174 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4175 (check-parallel-%): Ditto.
4176 (check-consistency): Ditto.
4178 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
4180 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4181 local variable rhs by NULL_TREE.
4183 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4186 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4188 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4191 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4193 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4196 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4197 for ms->sysv ABI calls only in 64bit mode.
4199 * config/i386/i386.md (untyped_call): Support 32bit.
4201 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
4203 * doc/extend.texi: Replace x86_65 with x86_64.
4205 2009-03-16 Jakub Jelinek <jakub@redhat.com>
4207 PR tree-optimization/39455
4208 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4209 mismatches for POINTER_TYPE_P (type).
4210 (number_of_iterations_le): Likewise.
4212 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4214 * config/picochip/picochip.c: Removed profiling support.
4215 * config/picochip/picochip.md: Removed profiling instruction.
4216 * config/picochip/picochip.h: Removed profiling builtin.
4218 2009-03-16 Joseph Myers <joseph@codesourcery.com>
4220 * doc/install.texi (--with-host-libstdcxx): Document.
4222 2009-03-14 Anatoly Sokolov <aesok@post.ru>
4225 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4226 generate a warning if the function name does not begin with
4227 "__vector" and the function has either the 'signal' or 'interrupt'
4228 attribute, from here to ...
4229 (avr_declare_function_name): ...here. New function.
4230 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4231 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4233 2009-03-14 Jakub Jelinek <jakub@redhat.com>
4236 * cse.c (fold_rtx): Don't modify original const_arg1 when
4237 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4238 separate variable instead.
4239 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4240 from out of range shift counts.
4241 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4243 2008-03-13 Catherine Moore <clm@codesourcery.com>
4245 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4246 diagnostic.h with $(DIAGNOSTIC_H).
4248 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4251 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4253 * config/i386/sync.md (sync_compare_and_swap<mode>,
4254 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4255 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4257 (sync_double_compare_and_swapdi_pic,
4258 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4259 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4261 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4264 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4266 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4269 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4270 (avx_addsubv4df3): Likewise.
4271 (*avx_addsubv4sf3): Likewise.
4272 (sse3_addsubv4sf3): Likewise.
4274 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4277 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4279 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4282 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4283 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4284 registers for allocnos created from user-defined variables.
4286 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4289 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4290 of non-integer mode as well.
4292 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4294 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4295 for functions for which the parameter types are unknown.
4297 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4300 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4301 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4302 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4303 * config/i386/i386.c (ix86_local_alignment): For
4304 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4305 long long variables on the stack to avoid dynamic realignment.
4306 Allow the first argument to be a decl rather than type.
4307 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4309 2009-03-11 Nick Clifton <nickc@redhat.com>
4312 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4314 Add description to mno-lsim option.
4315 * config/mcore/mcore.h: Remove comment about deprecated m4align
4317 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4318 * doc/invoke.texi: Add description of mno-lsim and
4319 mstack-increment options.
4321 * config/fr30/fr30.opt: Document the -mno-lsim option.
4322 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4323 and -mno-lsim options.
4325 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4327 * fold-const.c (fold_comparison): Only call fold_inf_compare
4328 if the mode supports infinities.
4330 2009-03-11 Jason Merrill <jason@redhat.com>
4333 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4334 end already did. Notice GIMPLE_CALL modifications of the result.
4335 Don't copy debug information from an ignored decl or a decl from
4338 2009-03-10 Richard Guenther <rguenther@suse.de>
4339 Nathan Froyd <froydnj@codesourcery.com>
4342 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4343 (__divMODE3): Likewise.
4345 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4347 PR tree-optimization/39394
4348 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4349 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4351 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4353 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4354 inline asms for register asm ("") declarations.
4356 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4358 * fold-const.c (fold_unary): Fix comment.
4360 2009-03-07 Jan Hubicka <jh@suse.cz>
4363 * tree-inline.c (setup_one_parameter): Do replacement of const
4364 argument by constant in SSA form.
4366 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4369 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4370 determine alignment passed to assign_stack_local.
4371 (assign_parms_unsplit_complex): Likewise.
4372 * except.c (sjlj_build_landing_pads): Likewise.
4374 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4377 * tree-flow.h (add_referenced_var): Return bool instead of void.
4378 * tree-dfa.c (add_referenced_var): Return result of
4379 referenced_var_check_and_insert call.
4380 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4381 of referenced_var_check_and_insert.
4384 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4385 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4386 DIE, don't emit it if abstract origin already has it.
4387 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4388 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4390 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4392 * genpreds.c (needs_variable): Fix parentheses at variable name
4394 (write_tm_constrs_h): Indent generated code.
4396 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4398 * doc/extend.texi (Function Attributes): Add documentation
4401 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4404 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4405 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4407 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4409 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4412 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4415 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4416 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4418 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4420 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4421 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4422 constants instead of magic numbers.
4423 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4425 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4426 (x86_64_ms_abi_int_parameter_registers): Ditto.
4427 (x86_64_int_return_registers): Ditto.
4428 (ix86_maybe_switch_abi): Ditto.
4429 (ix86_expand_call): Ditto for clobbered_registers array.
4430 (ix86_hard_regno_mode_ok): Ditto.
4431 (x86_extended_QIreg_mentioned_p): Ditto.
4433 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4435 PR tree-optimization/39349
4436 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4438 * combine.c (gen_lowpart_for_combine): Use omode when generating
4441 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4443 PR rtl-optimization/39235
4444 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4446 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4448 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4450 2009-03-04 Richard Guenther <rguenther@suse.de>
4452 PR tree-optimization/39362
4453 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4454 that occur in abnormal PHIs should be varying.
4456 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4458 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4460 (simple_iv): Take loop as an argument instead of statement.
4461 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4462 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4464 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4466 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4467 * matrix-reorg.c (analyze_transpose): Ditto.
4468 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4469 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4470 * tree-predcom.c (ref_at_iteration): Ditto.
4471 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4473 2009-03-04 Richard Guenther <rguenther@suse.de>
4475 PR tree-optimization/39358
4476 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4477 escaped_id and callused_id.
4478 (solve_graph): Likewise.
4480 2009-03-04 Richard Guenther <rguenther@suse.de>
4482 PR tree-optimization/39339
4483 * tree-sra.c (try_instantiate_multiple_fields): Make it
4484 no longer ICE on the above.
4486 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4488 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4489 that fits within Pmode.
4491 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4494 * tm.texi (LIBCALL_VALUE): Update description.
4496 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4499 * doc/extend.texi (section): Update description.
4501 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4504 * tree-inline.c (remapped_type): New.
4505 (can_be_nonlocal): Call remapped_type instead of remap_type.
4507 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4510 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4511 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4513 2009-03-03 Richard Guenther <rguenther@suse.de>
4516 * tree.c (tree_nonartificial_location): New function.
4517 * tree.h (tree_nonartificial_location): Declare.
4518 * builtins.c (expand_builtin_memory_chk): Provide location
4519 of the call location for artificial function pieces.
4520 (maybe_emit_chk_warning): Likewise.
4521 (maybe_emit_sprintf_chk_warning): Likewise.
4522 (maybe_emit_free_warning): Likewise.
4523 * expr.c (expand_expr_real_1): Likewise.
4525 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4527 PR tree-optimization/39343
4528 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4529 COMPONENT_REF t has ARRAY_TYPE.
4531 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4534 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4535 when the type precision of the induction variable should be
4536 larger than the type precision of nit.
4537 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4538 * graphite.c (graphite_loop_normal_form): Same.
4539 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4541 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4543 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4544 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4545 numbers to describe clobbered registers.
4546 (*call_value_0_rex64_ms_sysv): Ditto.
4547 * config/i386/mmx.md (mmx_emms): Ditto.
4550 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4552 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4555 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4557 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4558 (spu_section_type_flags): New function.
4560 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4562 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4563 reg_class_contents of FLOAT_REGS into a temporary.
4565 2009-03-02 Richard Guenther <rguenther@suse.de>
4566 Ira Rosen <irar@il.ibm.com>
4568 PR tree-optimization/39318
4569 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4570 information to the vectorized statement.
4572 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4574 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4575 variable. Use defined names instead of magic constants for REX SSE
4578 2009-03-01 Richard Guenther <rguenther@suse.de>
4580 PR tree-optimization/39331
4581 * omp-low.c (lower_send_shared_vars): Do not receive new
4582 values for the reference of DECL_BY_REFERENCE parms or results.
4584 2009-03-01 Jan Hubicka <jh@suse.cz>
4587 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4588 BLOCK_NONLOCALIZED_VAR): New macros.
4589 (tree_block): Add nonlocalized_vars.
4590 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4591 gen_decl_die): Add origin argument. Allow generation of die with
4592 origin at hand only.
4593 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4594 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4596 (gen_block_die): Fix checking for unused blocks.
4597 (process_scope_var): Break out from .... ; work with origins only.
4598 (decls_for_scope) ... here; process nonlocalized list.
4599 (dwarf2out_ignore_block): Look for nonlocalized vars.
4600 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4602 (dump_scope_block): Dump them.
4603 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4604 (remap_block): Likewise.
4605 (can_be_nonlocal): New predicate.
4606 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4608 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4610 * configure: Regenerate.
4612 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4614 * optc-gen.awk: No need to duplicate option flags twice.
4615 Reuse help texts for duplicate options which do not have any.
4617 * gcc.c (display_help): Document --version.
4619 * gcc.c (main): If print_help_list and verbose_flag, ensure
4620 driver output comes before subprocess output.
4622 * optc-gen.awk: Assign all remaining fields to help string,
4623 space-separated, for multi-line help in *.opt.
4625 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4626 -Wno-pedantic-ms-format is for MinGW targets only.
4628 * doc/options.texi (Option file format): Fix bad indentation,
4629 restoring dropped sentence.
4631 2009-02-28 Jan Hubicka <jh@suse.cz>
4633 * tree-inline.c (tree_function_versioning): Output debug info.
4635 2009-02-28 Jan Hubicka <jh@suse.cz>
4638 * tree-inline.c (setup_one_parameter): Do not copy propagate
4639 arguments when not optimizing.
4641 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4644 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4645 (avx_addsubv4df3): Likewise.
4646 (*avx_addsubv4sf3): Likewise.
4647 (sse3_addsubv4sf3): Likewise.
4648 (*avx_addsubv2df3): Likewise.
4649 (sse3_addsubv2df3): Likewise.
4650 (avx_unpckhps256): Correct item selectors.
4651 (avx_unpcklps256): Likewise.
4652 (avx_unpckhpd256): Likewise.
4653 (avx_unpcklpd256): Likewise.
4655 2009-02-28 Jan Hubicka <jh@suse.cz>
4657 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4659 (copy_arguments_for_versioning): If var is declared don't declare it.
4660 (tree_function_versioning): First setup substitutions and then copy
4663 2009-02-27 Jan Hubicka <jh@suse.cz>
4666 * cgraph.h (varpool_output_debug_info): Remove.
4667 * cgraphunit.c (varpool_output_debug_info): Remove.
4668 * dwarf2out.c (deferred_locations_struct): New struct
4669 (deferred_locations): New type.
4670 (deferred_locations_list): New static var.
4671 (deffer_location): New function.
4672 (gen_variable_die): Use it.
4673 (decls_for_scope): Output info on local static vars.
4674 (dwarf2out_finish): Process deferred locations.
4675 * varpool.c (varpool_output_debug_info): Remove.
4677 2009-02-27 Jan Hubicka <jh@suse.cz>
4680 * tree.h (TREE_PROTECTED): Fix comment.
4681 (BLOCK_HANDLER_BLOCK): Remove.
4682 (struct tree_block): Remove handler_block add body_block.
4683 (inlined_function_outer_scope_p): New.
4684 (is_body_block): Remove.
4685 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4686 * dwarf2out.c (is_inlined_entry_point): Remove.
4687 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4688 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4690 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4691 * gimplify.c (gimplify_expr): Gimplify body blocks.
4692 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4693 block with multiple subblocks.
4694 (dump_scope_block): Prettier output; dump more flags and info.
4695 (dump_scope_blocks): New.
4696 (remove_unused_locals): Use dump_scope_blocks.
4697 * tree-flow.h (dump_scope_blocks): Declare.
4698 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4699 * stmt.c (is_body_block): Remove.
4700 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4701 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4703 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4706 * graphite.c (graphite_loop_normal_form): Do not call
4707 number_of_iterations_exit from a gcc_assert.
4709 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4711 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4712 jumps if COND is NULL.
4713 (find_cond_jump): New function.
4714 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4715 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4717 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4719 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4720 force_const_mem returns NULL_RTX.
4722 2009-02-26 Jan Hubicka <jh@suse.cz>
4725 * cgraph.h (varpool_output_debug_info): Remove.
4726 * cgraphunit.c (varpool_output_debug_info): Remove.
4727 * dwarf2out.c (deferred_locations_struct): New struct
4728 (deferred_locations): New type.
4729 (deferred_locations_list): New static var.
4730 (deffer_location): New function.
4731 (gen_variable_die): Use it.
4732 (decls_for_scope): Output info on local static vars.
4733 (dwarf2out_finish): Process deferred locations.
4734 * varpool.c (varpool_output_debug_info): Remove.
4736 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4738 PR rtl-optimization/39241
4739 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4740 to subreg_offset_representable_p.
4742 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4744 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4745 execute function prototype. Get f and nregs from max_reg_num
4746 and get_insns. Remove the first backward pass as it's dead,
4747 guard the forward pass by flag_expensive_optimizations.
4748 (rest_of_handle_regmove): Delete.
4749 (pass_regmove): Replace it with regmove_optimize.
4751 2009-02-25 Martin Jambor <mjambor@suse.cz>
4753 PR tree-optimization/39259
4754 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4755 calls_alloca function flags.
4756 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4759 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4761 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4762 flags_set_1_rtx, flags_set_1_set): Delete.
4763 (regmove_optimize): Do not call mark_flags_life_zones.
4765 2009-02-24 Julian Brown <julian@codesourcery.com>
4768 * config/arm/arm.c (require_pic_register): Only set
4769 cfun->machine->pic_reg once per function.
4771 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4773 * doc/invoke.texi (Link Options): Document an easier way to pass
4774 options that take arguments to the GNU linker using -Xlinker and -Wl.
4776 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4779 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4781 2009-02-24 Richard Guenther <rguenther@suse.de>
4784 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4786 2009-02-24 Richard Guenther <rguenther@suse.de>
4787 Zdenek Dvorak <ook@ucw.cz>
4789 PR tree-optimization/39233
4790 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4791 from converting them to a generic type.
4793 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4795 PR tree-optimization/39260
4796 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4797 contains a condition with a real type.
4798 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4800 2009-02-23 Jason Merrill <jason@redhat.com>
4803 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4804 narrowing_initializer_constant_valid_p.
4805 (narrowing_initializer_constant_valid_p): Don't return
4806 null_pointer_node for adding a pointer to itself.
4808 2009-02-23 Jan Hubicka <jh@suse.cz>
4811 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4814 2009-02-23 Jan Hubicka <jh@suse.cz>
4816 PR tree-optimization/37709
4817 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4818 * tree.h (block_ultimate_origin): Declare.
4819 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4820 * tree-ssa-live.c (remove_unused_scope_block_p):
4821 Eliminate blocks containig no instructions nor live variables nor
4823 (dump_scope_block): New function.
4824 (remove_unused_locals): Enable removal of dead blocks by default;
4825 enable dumping at TDF_DETAILS.
4827 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4829 * config/i386/i386.c (classify_argument): Don't allow COImode
4831 (function_arg_advance_32): Don't allow OImode.
4832 (function_arg_32): Likewise.
4833 (function_value_32): Likewise.
4834 (return_in_memory_32): Likewise.
4835 (function_arg_64): Remove OImode comment.
4837 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4840 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4841 ix86_expand_vector_set for V4DImode in 64bit mode only.
4842 (ix86_expand_vector_init_one_var): Likewise.
4844 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4846 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4848 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4851 * loop-iv.c: Revert last change.
4852 * emit-rtl.c: Likewise.
4854 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4857 * config/i386/i386.c (type_natural_mode): Remove an extra
4858 space in the warning message.
4859 (function_value_32): Handle 32-byte vector modes.
4860 (return_in_memory_32): Likewise.
4862 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4864 * loop-iv.c (truncate_value): New function.
4865 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4867 (lowpart_subreg): Move to...
4868 * emit-rtl.c: ...here.
4870 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
4872 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4873 accidental and undocumented change at revision 140860.
4875 2009-02-21 Joseph Myers <joseph@codesourcery.com>
4877 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4878 take gimple_seq * arguments.
4879 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4880 types_compatible_p langhook.
4882 2009-02-20 Mark Mitchell <mark@codesourcery.com>
4883 Joseph Myers <joseph@codesourcery.com>
4885 * config/arm/arm.c (arm_builtin_va_list): New function.
4886 (arm_expand_builtin_va_start): Likewise.
4887 (arm_gimplify_va_arg_expr): Likewise.
4888 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4889 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4890 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4891 (va_list_type): New variable.
4892 (arm_mangle_type): Mangle va_list_type appropriately.
4894 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4897 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4898 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4899 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4900 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4901 parameter to 1000 for -O1 by default.
4902 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4904 * loop-invariant.c: Include params.h.
4905 (move_loop_invariants): Don't call move_single_loop_invariants on
4908 2009-02-20 Jaka Mocnik <jaka@xlab.si>
4910 * calls.c (emit_library_call_value_1): Use slot_offset instead of
4911 offset when calculating bounds for indexing stack_usage_map. Fixes
4912 a buffer overflow with certain target setups.
4914 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4917 * calls.c (expand_call): Clear try_tail_call if caller and callee
4918 disagree in promotion of function return value.
4920 2009-02-19 Jakub Jelinek <jakub@redhat.com>
4923 * c-common.c (c_determine_visibility): If visibility changed and
4924 DECL_RTL has been already set, call make_decl_rtl to update symbol
4927 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
4930 * varasm.c (assemble_variable): Don't check DECL_NAME when
4931 globalizing a variable.
4933 2009-02-19 Joseph Myers <joseph@codesourcery.com>
4936 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4937 expression before any __builtin_trap call.
4938 * c-typeck.c (build_function_call): Convert and check function
4939 arguments before generating a call to a trap. Evaluate the
4940 function arguments before the trap.
4942 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
4945 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4946 (UNSPEC_FXAM_MEM): New unspec.
4947 (fxam<mode>2_i387_with_temp): New insn and split pattern.
4948 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
4949 memory using fxam<mode>2_i387_with_temp to remove excess precision.
4951 2009-02-19 Richard Guenther <rguenther@suse.de>
4953 PR tree-optimization/39207
4954 PR tree-optimization/39074
4955 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4956 storedanything_tree): New.
4957 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
4958 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4959 (build_succ_graph): Add edges from STOREDANYTHING to all
4961 (init_base_vars): Initialize STOREDANYTHING.
4962 (compute_points_to_sets): Free substitution info after
4963 building the succ graph.
4964 (ipa_pta_execute): Likewise.
4966 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4968 (do_ds_constraint): Do not add to special var or non-pointer
4970 (type_could_have_pointers): Split out from ...
4971 (could_have_pointers): ... here. For arrays use the element type.
4972 (create_variable_info_for): Initialize may_have_pointers.
4973 (new_var_info): Likewise.
4974 (handle_lhs_call): Make the HEAP variable unknown-sized.
4975 (intra_create_variable_infos): Use a type with pointers for
4976 PARM_NOALIAS, make it unknown-sized.
4978 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
4981 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4983 2009-02-18 Jason Merrill <jason@redhat.com>
4986 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4987 value if DECL_EXTERNAL.
4988 * tree-sra.c (sra_walk_gimple_assign): Likewise.
4989 * target.h (gcc_target::binds_local_p): Clarify "module".
4990 * tree.h (TREE_PUBLIC): Clarify "module".
4992 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
4995 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4996 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4998 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
5001 * c.opt (Wabi): Support C and ObjC.
5004 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5006 * config/i386/i386.c (classify_argument): Warn once about the ABI
5007 change when passing union with long double.
5009 * doc/invoke.texi: Update -Wabi for warning psABI changes.
5011 2009-02-18 Joseph Myers <joseph@codesourcery.com>
5014 * c-parser.c (c_parser_compound_statement): Always enter and leave
5017 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5020 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5022 2009-02-18 Jakub Jelinek <jakub@redhat.com>
5024 PR tree-optimization/36922
5025 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5026 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5029 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5031 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5034 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5036 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5038 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5040 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5043 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
5044 Richard Sandiford <rdsandiford@googlemail.com>
5046 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5047 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5048 (loongson_biadd): ...this.
5050 2009-02-17 Richard Guenther <rguenther@suse.de>
5052 PR tree-optimization/39202
5053 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5054 a var make sure to follow existing collapses.
5056 2009-02-17 Richard Guenther <rguenther@suse.de>
5059 * langhooks.c (lhd_print_error_function): Check for NULL block.
5061 2009-02-17 Richard Guenther <rguenther@suse.de>
5063 PR tree-optimization/39204
5064 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5067 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
5069 * config/soft-fp/double.h: Update from glibc CVS.
5071 2009-02-17 Richard Guenther <rguenther@suse.de>
5073 PR tree-optimization/39207
5074 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5075 strict-aliasing warnings for pointers pointing to NULL.
5077 2009-02-16 Joseph Myers <joseph@codesourcery.com>
5080 * c-parser.c (c_parser_braced_init): Call pop_init_level when
5081 skipping until next close brace.
5083 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
5086 * config/i386/i386.c (ix86_expand_push): Set memory alignment
5087 to function argument boundary.
5089 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5091 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5092 in the lea_add. Reload eventually constraints it properly.
5093 * config/picochip/constraints.md : Remove the target constraint
5094 "b", since it is not needed anymore.
5096 2009-02-16 Jakub Jelinek <jakub@redhat.com>
5098 * gthr-dce.h: Uglify function parameter and local variable names.
5099 * gthr-gnat.h: Likewise.
5100 * gthr-mipssde.h: Likewise.
5101 * gthr-nks.h: Likewise.
5102 * gthr-posix95.h: Likewise.
5103 * gthr-posix.h: Likewise.
5104 * gthr-rtems.h: Likewise.
5105 * gthr-single.h: Likewise.
5106 * gthr-solaris.h: Likewise.
5107 * gthr-tpf.h: Likewise.
5108 * gthr-vxworks.h: Likewise.
5109 * gthr-win32.h: Likewise.
5111 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
5114 * config/i386/i386.md: Restrict the new peephole2 to move
5115 between MMX/SSE registers.
5117 2009-02-15 Richard Guenther <rguenther@suse.de>
5120 2009-02-13 Richard Guenther <rguenther@suse.de>
5122 * configure.ac: Enable LFS.
5123 * configure: Re-generate.
5124 * config.in: Likewise.
5126 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5128 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5129 spu_srqwbyte, spu_srqwbytebc): Define.
5130 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5131 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5132 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5133 "shrqby_<mode>"): New insn-and-split patterns.
5134 * config/spu/spu.c (expand_builtin_args): Determine and return
5135 number of operands using spu_builtin_description data.
5136 (spu_expand_builtin_1): Use it.
5138 2009-02-13 Steve Ellcey <sje@cup.hp.com>
5141 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5144 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5147 * config/i386/i386.c (override_options): Correct warning
5148 messages for -malign-loops, -malign-jumps and -malign-functions.
5150 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5153 * config/i386/i386.md: Restrict the new peephole2 to move
5154 between the general purpose registers.
5156 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5159 * config/i386/i386.c (type_natural_mode): Add a new argument.
5160 Return the original mode and warn ABI change if vector size is 32byte.
5161 (function_arg_advance): Updated.
5162 (function_arg): Likewise.
5163 (ix86_function_value): Likewise.
5164 (ix86_return_in_memory): Likewise.
5165 (ix86_sol10_return_in_memory): Likewise.
5166 (ix86_gimplify_va_arg): Likewise.
5167 (function_arg_32): Don't warn ABX ABI change here.
5168 (function_arg_64): Likewise.
5170 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
5172 * loop-iv.c (implies_p): In the final case, test that operands 0
5173 of the two comparisons match.
5175 * config/bfin/bfin.c (find_prev_insn_start): New function.
5176 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5177 (find_next_insn_start): Move.
5179 2009-02-13 Richard Guenther <rguenther@suse.de>
5181 * configure.ac: Enable LFS.
5182 * configure: Re-generate.
5183 * config.in: Likewise.
5185 2009-02-13 Joseph Myers <joseph@codesourcery.com>
5188 * c-parser.c (c_parser_parms_list_declarator): Discard pending
5189 sizes on syntax error after some arguments have been parsed.
5191 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5193 * doc/invoke.texi (-fira): Remove.
5195 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5197 * caller-save.c: Replace regclass.c with reginfo.c in comments.
5198 * recog.c: Likewise.
5201 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
5203 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5204 (umul_ppmm): Likewise.
5205 (count_leading_zeros): Likewise.
5206 (count_trailing_zeros): Likewise.
5207 (UMUL_TIME): Likewise.
5209 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5211 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5212 soft-fp/t-softfp to tmake_file.
5214 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5215 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5216 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5217 IA64_BUILTIN_INFQ]: New.
5218 (ia64_init_builtins): Initialize __builtin_infq,
5219 __builtin_fabsq and __builtin_copysignq if not HPUX.
5220 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5221 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5223 * config/ia64/lib1funcs.asm (__divtf3): Define only if
5225 (__fixtfti): Likewise.
5226 (__fixunstfti): Likewise.
5227 (__floattitf): Likewise.
5229 * config/ia64/libgcc-glibc.ver: New.
5230 * config/ia64/t-fprules-softfp: Likewise.
5231 * config/ia64/sfp-machine.h: Likewise.
5233 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5234 (LIBGCC2_TF_CEXT): Likewise.
5235 (TF_SIZE): Likewise.
5236 (TARGET_INIT_LIBFUNCS): Likewise.
5238 * config/ia64/t-glibc (SHLINB_MAPFILES):
5239 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5241 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5243 * config/i386/i386.c (construct_container): Rewrite processing
5244 BLKmode with X86_64_SSE_CLASS.
5246 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5249 * config/i386/i386.md: Replace simplify_replace_rtx with
5250 replace_rtx in the new peephole2.
5252 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5254 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5255 loop unrolling do not happen at -O2.
5257 2009-02-12 Michael Matz <matz@suse.de>
5259 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5261 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5263 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5266 2009-02-12 Ben Elliston <bje@au.ibm.com>
5268 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5269 patterns when updating the back chain. Missed in the 2009-02-10
5272 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5274 * doc/extend.texi (Decimal Floating Types): Update identifier of
5275 draft TR and list of missing support.
5277 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5280 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5281 bit to variable length decl's flags, add it also to its
5282 pointer replacement variable.
5284 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5285 Jakub Jelinek <jakub@redhat.com>
5288 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5289 (memory_blockage): New expander.
5290 (*memory_blockage): New insn pattern.
5291 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5292 instead of general blockage at the end of function prologue when
5293 frame pointer is used to access red zone area. Do not emit blockage
5294 when profiling, it is emitted in generic code.
5295 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5296 function epilogue when frame pointer is used to access red zone area.
5298 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5301 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5302 by arithmetic with memory operands.
5303 * config/i386/predicates.md (commutative_operator): New.
5305 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5307 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5310 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5312 * alias.h (record_alias_subset): Declare.
5313 * alias.c (record_alias_subset): Make global.
5315 2009-02-10 Nick Clifton <nickc@redhat.com>
5317 * tree-parloops.c: Change license to GPLv3.
5318 * ipa-struct-reorg.c: Change license to GPLv3.
5319 * ipa-struct-reorg.h: Change license to GPLv3.
5321 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5324 * c-decl.c (start_struct): Return NULL on error.
5326 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5329 * cfgloopmanip.c (remove_path): Call remove_bbs after
5330 cancel_loop_tree, not before it.
5333 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5334 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5335 VAR_DECLs were seen.
5336 * tree-ssa-live.c (remove_unused_locals): Recompute
5337 cfun->has_local_explicit_reg_vars.
5338 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5339 copies or clearings if cfun->has_local_explicit_reg_vars.
5341 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5344 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5345 of function prologue when frame pointer is used to access
5348 2009-02-10 Richard Guenther <rguenther@suse.de>
5351 * gimplify.c (gimple_regimplify_operands): Always look if
5352 we need to create a temporary.
5354 2009-02-10 Richard Guenther <rguenther@suse.de>
5356 PR tree-optimization/39132
5357 * tree-loop-distribution.c (todo): New global var.
5358 (generate_memset_zero): Trigger TODO_rebuild_alias.
5359 (tree_loop_distribution): Return todo.
5361 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5364 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5365 (x86_64_reg_class_name): Removed.
5366 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5367 first one isn't X86_64_SSE_CLASS or any other ones aren't
5368 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5369 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5370 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5371 and 3 X86_64_SSEUP_CLASS.
5372 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5373 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5375 2009-02-10 Ben Elliston <bje@au.ibm.com>
5377 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5378 form instruction to update the stack back chain word, even if the
5379 user has disabled the generation of update instructions.
5380 (movdi_<mode>_update_stack): New.
5381 (movsi_update_stack): Likewise.
5382 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5383 always use an update form instruction to update the stack back
5386 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5389 * graphite.c (if_region_set_false_region): After moving a region in
5390 the false branch of a condition, remove the empty dummy basic block.
5391 (gloog): Remove wrong fix for PR38953.
5393 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5395 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5396 generation due to implicit sign extension.
5398 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5401 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5402 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5404 2009-02-09 Richard Guenther <rguenther@suse.de>
5407 * convert.c (convert_to_real): Disable (float)fn((double)x)
5408 to fnf(x) conversion if errno differences may occur and
5409 -fmath-errno is set.
5411 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5413 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5414 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5415 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5417 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5420 * c-common.c (handle_alias_attribute): Disallow attribute for
5421 anything not a FUNCTION_DECL or VAR_DECL.
5423 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5426 * real.c (do_compare): Special-case compare of zero against
5427 decimal float value.
5429 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5432 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5433 as indicating flexible array members unless the field itself is
5434 being declarared as the incomplete array.
5436 2009-02-06 Jan Hubicka <jh@suse.cz>
5438 PR tree-optimization/38844
5439 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5442 2009-02-06 Richard Guenther <rguenther@suse.de>
5445 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5446 fork because we may expand it as __gcov_fork.
5448 2009-02-06 Nick Clifton <nickc@redhat.com>
5450 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5452 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5454 PR tree-optimization/35659
5455 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5456 vn_phi_eq): Shortcut if hashcode does not match.
5457 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5459 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5460 and avoid iterative_hash_expr.
5461 (FOR_EACH_VALUE_ID_IN_SET): New.
5462 (value_id_compare): Remove.
5463 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5464 sort expressions by value id.
5466 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5469 * config/sh/predicates.md (general_movsrc_operand): Don't check
5470 the subreg of system registers here.
5472 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5475 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5478 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5480 PR rtl-optimization/39110
5481 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5482 addresses, not aligned ones.
5484 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5485 Richard Guenther <rguenther@suse.de>
5487 PR tree-optimization/39100
5488 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5489 comment says and add edges.
5491 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5494 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5495 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5497 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5499 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5500 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5501 register_bb_in_sese, new_sese, free_sese): Moved.
5502 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5503 outermost_loop_in_scop, build_scop_iteration_domain,
5504 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5505 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5506 Use loop_in_sese_p instead of loop_in_scop_p.
5507 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5508 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5509 (scopdet_basic_block_info): Fix bug in scop detection.
5510 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5511 eq_loop_to_cloog_loop): Remove.
5512 (nb_loops_around_loop_in_scop, nb_loop
5513 ref_nb_loops): Moved here...
5514 * graphite.h (ref_nb_loops): ... from here.
5515 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5516 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5517 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5518 * testsuite/gcc.dg/graphite/scop-19.c: New
5520 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5521 Hans-Peter Nilsson <hp@axis.com>
5523 PR rtl-optimization/37889
5524 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5525 Move offset handling from PLUS to before the switch. Use new
5526 arguments when considering SYMBOL_REFs too.
5527 (rtx_addr_can_trap_p): Pass dummy offset and size.
5528 (enum may_trap_p_flags): Remove.
5529 (may_trap_p_1): Pass size from MEM_SIZE.
5531 PR rtl-optimization/38921
5532 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5533 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5534 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5535 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5537 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5539 AVX Programming Reference (January, 2009)
5540 * config/i386/sse.md (*vpclmulqdq): New.
5542 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5544 PR tree-optimization/38977
5545 PR gcov-profile/38292
5546 * calls.c (special_function_p): Disregard __builtin_ prefix.
5548 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5550 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5551 non-indexable addresses even before reload.
5553 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5556 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5557 as having variable size. Do not give an error for unnamed
5558 parameters with [*] declarators. Give a warning for type names
5559 with [*] declarators and mark them as variable size.
5560 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5561 for sizeof applied to [*] type names.
5563 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5566 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5568 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5570 * gcc.c (process_command): Update copyright notice dates.
5571 * gcov.c (print_version): Likewise.
5572 * gcov-dump.c (print_version): Likewise.
5573 * mips-tfile.c (main): Likewise.
5574 * mips-tdump.c (main): Likewise.
5576 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5579 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5580 for composite type involving a zero-length array type.
5582 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5585 * function.c (match_asm_constraints_1): Skip over
5586 initial optional % in the constraint.
5589 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5590 supported, don't accept FIXED_CSTs.
5591 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5592 and _Sat is used without _Fract/_Accum. Set specs->type to
5593 integer_type_node for cts_fract/cts_accum if fixed point is not
5596 2009-02-02 Catherine Moore <clm@codesourcery.com>
5598 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5600 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5602 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5603 (ABI_HAS_64BIT_SYMBOLS): Use it.
5604 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5606 2009-02-02 Paul Brook <paul@codesourcery.com>
5608 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5610 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5613 * recog.h (asm_operand_ok): Add constraints argument.
5614 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5615 recurse on matching constraint.
5616 (check_asm_operands): Pass constraints as 3rd argument to
5617 asm_operand_ok. Don't look up matching constraint here.
5618 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5621 2009-02-02 Ben Elliston <bje@au.ibm.com>
5623 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5624 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5626 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5628 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5629 information. Remove some obsolete information. Reorganize.
5631 * config/pa/fptr.c: Revert license to GPL 2.
5632 * config/pa/milli64.S: Likewise.
5634 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5637 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5638 LIBRARY name in, instead of hard-coding it.
5639 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5640 extra target make frag to tmake_files according to EH model.
5641 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5642 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5643 frags that define makefile variable EH_MODEL appropriately.
5644 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5645 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5646 to "-sjlj" according to type of EH configured.
5647 (LIBGCC_SONAME): Concatenate it to shared library base name.
5648 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5649 to "_sjlj" according to type of EH configured.
5650 (LIBGCC_SONAME): Concatenate it to shared library base name.
5651 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5652 (SHLIB_LINK): Add missing semicolon to if-else construct.
5653 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5654 string value of "pe_dll" command-line option.
5655 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5656 (SHLIB_SONAME): Use it when overriding t-cygming default.
5657 (SHLIB_IMPLIB): Override t-cygming default.
5658 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5659 string value of "pe_dll" command-line option.
5661 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5664 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5665 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5667 2009-01-31 Richard Guenther <rguenther@suse.de>
5669 PR tree-optimization/38937
5670 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5671 computing the transitive closure.
5673 2009-01-30 Richard Guenther <rguenther@suse.de>
5675 PR tree-optimization/39041
5676 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5677 Propagate variable indices only if the types match for this stmt.
5679 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5682 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5683 inline but never defined.
5685 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5687 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5688 (*insv_h_di_reg_extimm): New insn.
5689 (*insv_l<mode>_reg_extimm): New insn.
5691 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5693 * config/picochip/picochip.c (flag_conserve_stack): set
5694 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5695 fconserve-stack. Reduce call-overhead used by inliner.
5697 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5700 * common.opt (flag_conserve_stack): Initialised to zero.
5702 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5705 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5706 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5709 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5711 * ira-color.c (allocno_reload_assign): Update comments.
5712 * regmove.c (regmove_optimize): Likewise.
5716 2009-01-29 Robert Millan <rmh@aybabtu.com>
5718 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5719 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5720 `MD_UNWIND_SUPPORT'.
5721 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5723 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5725 PR tree-optimization/39007
5726 * tree-loop-distribution.c (generate_builtin): Use
5727 recompute_dominator to compute the immediate dominator of the
5728 basic block just after the loop.
5730 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5732 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5733 (ASM_OUTPUT_DWARF_PCREL): Define.
5735 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5737 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5738 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5739 global. Modify entries about regmove and IRA.
5741 * ra-conflict.c: Remove the file.
5743 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5745 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5746 (pass_regclass_init): Rename to pass_reginfo_init.
5748 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5750 * toplev.h (flag_ira): Remove.
5752 * caller-save.c (setup_save_areas): Remove flag_ira.
5754 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5756 * global.c: Remove the file.
5758 * opts.c (decode_options): Remove flag_ira.
5760 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5762 * regmove.c: Modify file description.
5763 (find_use_as_address, try_auto_increment): Define them only if
5764 AUTO_INC_DEC is defined.
5765 (replacement_quality, replace_in_call_usage, fixup_match_1,
5766 stable_and_no_regs_but_for_p): Remove.
5767 (reg_set_in_bb): Make it static.
5768 (regmove_optimize): Remove flag_ira and code which worked for
5771 * local-alloc.c: Remove the file.
5773 * common.opt (fira): Remove.
5775 * ira.c: Include except.h.
5776 (eliminable_regset): Move from global.c.
5777 (mark_elimination): Ditto. Remove flag_ira.
5778 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5779 equiv_mem_modified, validate_equiv_mem_from_store,
5780 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5781 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5782 no_equiv, recorded_label_ref): Move from local-alloc.c.
5783 (update_equiv_regs): Ditto. Make it static.
5784 (print_insn_chain, print_insn_chains): Move it from global.c.
5785 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5786 (build_insn_chain): Ditto. Make it static.
5787 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5788 Rename to init_live_subregs.
5789 (gate_ira): Remove flag_ira.
5791 * regclass.c: Rename reginfo.c. Change file description.
5792 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5793 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5794 (init_reg_sets_1): Remove code for evaluation of
5795 reg_class_superclasses and losing_caller_save_reg_set.
5796 (init_regs): Remove init_reg_autoinc.
5797 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5798 ok_for_base_p_nonstrict): Remove.
5799 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5800 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5801 corresponding entries.
5802 (dump_regclass, record_operand_costs, scan_one_insn,
5803 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5804 record_address_regs, auto_inc_dec_reg_p): Remove.
5805 (gt-regclass.h): Rename to gt-reginfo.h.
5807 * rtl.h (dump_global_regs, retry_global_alloc,
5808 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5810 * Makefile.in (RA_H): Remove.
5811 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5812 Rename regclass.o to reginfo.o.
5813 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5815 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5816 (GTFILES): Rename regclass.c to reginfo.c.
5818 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5819 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5821 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5822 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5824 (finish_spills): Ditto. Remove code for !flag_ira.
5826 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5829 * doc/invoke.texi (rtl debug options): Complete rewrite.
5830 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5832 * mode-switching.c (pass_mode_switching): Rename pass from
5833 "mode-sw" to "mode_sw".
5834 * except.c (pass_convert_to_eh_ranges): Rename pass from
5835 "eh-ranges" to "eh_ranges".
5836 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5840 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5841 Alexander Monakov <amonakov@ispras.ru>
5844 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5846 (move_exprs_to_boundary): Change return type and pass through
5847 should_move from move_op. Relax assert. Update usage ...
5848 (schedule_expr_on_boundary): ... here. Use should_move instead of
5850 (move_op_orig_expr_found): Indicate that insn was disconnected from
5852 (code_motion_process_successors): Do not call after_merge_succs
5853 callback if original expression was not found when traversing any of
5855 (code_motion_path_driver): Change return type. Update prototype.
5856 (move_op): Update comment. Add a new parameter (should_move). Update
5857 prototype. Set *should_move based on indication provided by
5858 move_op_orig_expr_found.
5860 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5862 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5863 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5864 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5865 * config/rs6000/rs6000.c (rs6000_override_options): Default
5866 avoid-indexed-addresses on for Power6, off for everything else.
5867 (avoiding_indexed_address_p): New function.
5868 (rs6000_legitimize_address): Use it.
5869 (rs6000_legitimate_address): Likewise.
5870 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5872 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
5874 PR tree-optimization/38997
5875 * tree-loop-distribution.c (generate_memset_zero): Use
5876 POINTER_PLUS_EXPR for a pointer addition.
5878 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
5880 * config/s390/s390.md (bswap<mode>2): New pattern added.
5882 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5884 * config/s390/s390.md (*tls_load_31): Added type attribute.
5886 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5888 * config/s390/s390.md: Fix a few comments.
5890 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5892 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5893 (*tm<mode>_full): Fixed z10prop attribute.
5894 (*tst<mode>_extimm): Fixed z10prop attribute.
5895 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5896 (*tstqiCCT_cconly): Fixed z10prop attribute.
5897 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5898 (*movsi_larl): Fixed z10prop attribute.
5899 (*movsi_zarch): Fixed z10prop attribute.
5900 (*movsi_eas): Fixed z10prop attribute.
5901 (*movhi): Fixed z10prop attribute.
5902 (*movqi): Fixed z10prop attribute.
5903 (*movstrictqi): Fixed z10prop attribute.
5904 (*mov<mode>): Fixed z10prop attribute.
5905 (*movcc): Fixed z10prop attribute.
5906 (*sethighpartdi_64): Fixed z10prop attribute.
5907 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5908 (*negdi2_sign_cc): Fixed z10prop attribute.
5909 (*negdi2_sign): Fixed z10prop attribute.
5910 (*absdi2_sign_cc): Fixed z10prop attribute.
5911 (*absdi2_sign): Fixed z10prop attribute.
5912 (*negabsdi2_sign_cc): Fixed z10prop attribute.
5913 (*negabsdi2_sign): Fixed z10prop attribute.
5914 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5915 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5916 (doloop_si64): Fixed z10prop attribute.
5917 (doloop_si31): Fixed z10prop attribute.
5918 (doloop_long): Fixed z10prop attribute.
5919 (indirect_jump): Fixed z10prop attribute.
5920 (nop): Fixed z10prop attribute.
5921 (main_base_64): Fixed z10prop attribute.
5922 (reload_base_64): Fixed z10prop attribute.
5924 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5926 PR rtl-optimization/38740
5927 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5929 * config/mips/mips.c (mips_reorg): Likewise.
5931 2009-01-28 Richard Guenther <rguenther@suse.de>
5933 PR tree-optimization/38926
5934 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5935 with the correct value id to a value.
5936 (do_regular_insertion): Use the value number of edoubleprime
5937 for the value number of the expr.
5940 2008-08-21 Richard Guenther <rguenther@suse.de>
5942 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5943 a PHI ask VN if it is already available.
5944 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5945 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5947 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5950 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5951 set to varying whenever max has TREE_OVERFLOW set, similarly
5952 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5954 2009-01-28 Richard Guenther <rguenther@suse.de>
5957 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5958 uninitialized aggregate uses in call arguments.
5960 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
5962 PR tree-optimization/38984
5963 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5964 the nothing_id variable if -fno-delete-null-pointer-checks.
5966 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
5969 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5970 (set_got_offset_rex64): Ditto.
5972 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
5975 * doc/extend.texi: Improve local variable with asm reg.
5977 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
5979 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5980 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5981 was not supplied then set warn_packed_bitfield_compat to the
5983 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5986 2009-01-27 Richard Guenther <rguenther@suse.de>
5988 PR tree-optimization/38503
5989 * cfgexpand.c (expand_gimple_basic_block): Ignore
5990 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5991 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5992 variables that cannot have TBAA applied.
5993 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5996 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
5999 * calls.c (initialize_argument_information): Do not wrap complex
6000 arguments in SAVE_EXPR.
6002 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
6004 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6005 (INSTALL_LIBGCC): Revert typo commit.
6007 2009-01-26 Richard Guenther <rguenther@suse.de>
6009 PR tree-optimization/38745
6010 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6011 from special handling.
6013 2009-01-26 Richard Guenther <rguenther@suse.de>
6015 PR tree-optimization/38745
6016 * tree-ssa.c (execute_update_addresses_taken): Do not include
6017 variables that cannot possibly be a register in not_reg_needs.
6018 Do not clear TREE_ADDRESSABLE on vars that may not become
6020 * tree-ssa.c (update_alias_info_1): Include those in the set
6021 of addressable vars.
6023 2009-01-26 Richard Guenther <rguenther@suse.de>
6026 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6027 * tree-ssa-dse.c: Include langhooks.h
6028 (execute_simple_dse): Remove stores with zero size.
6030 2009-01-24 Jakub Jelinek <jakub@redhat.com>
6033 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6036 2009-01-24 Julian Brown <julian@codesourcery.com>
6038 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6039 config/arm/linux-atomic.c.
6040 * config/arm/linux-atomic.c: New.
6042 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
6044 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6045 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6046 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6048 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
6051 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6054 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
6056 PR tree-optimization/38953
6057 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6058 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6059 (gloog): Split the exit of the scop when the scop exit is a loop exit.
6060 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6063 2009-01-24 Paul Brook <paul@codesourcery.com>
6065 * config/arm/neon.md (neon_type): Move to arm.md.
6066 (neon_mov<VSTRUCT>): Add neon_type attribute.
6067 * config/arm/arm.md (neon_type): Move to here.
6068 (conds): Add "unconditioal" and use as default for NEON insns.
6070 2009-01-24 Ben Elliston <bje@au.ibm.com>
6072 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6073 void *' warning from -Wc++-compat.
6074 * Makefile.in (dominance.o-warn): Remove.
6076 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
6078 PR tree-optimization/38932
6079 * fold-const.c (fold_unary_ignore_overflow): New.
6080 * tree.h (fold_unary_ignore_overflow): Declare.
6081 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6082 * tree-ssa-sccvn.c (visit_reference_op_load,
6083 simplify_unary_expression): Likewise.
6085 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
6087 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6088 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
6089 regardless of their type.
6090 * c-common.c (handle_packed_attribute): Don't ignore packed on
6092 * c.opt (Wpacked-bitfield-compat): New warning option.
6093 * stor-layout.c (place_field): Warn if offset of a field changed.
6094 * doc/extend.texi (packed): Mention the ABI change.
6095 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6096 (Warning Options): Add it to the list.
6098 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
6100 * c-opts.c (c_common_post_options): Fix a typo in comments.
6102 2009-01-22 Steve Ellcey <sje@cup.hp.com>
6105 * gimplify.c (gimplify_init_constructor): Fix promotion of const
6106 variables to static.
6107 * doc/invoke.texi (-fmerge-all-constants): Update description.
6109 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
6112 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6113 (*movdi_1_rex64): Use type "mmx" for alternative 5.
6115 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
6117 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6119 (LOCAL_ALIGNMENT): Similarly.
6121 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6122 Joseph Myers <joseph@codesourcery.com>
6124 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6125 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6126 * config/arm/arm-tune.md: Regenerate.
6127 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6130 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6132 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6133 version number to five.
6135 2009-01-22 Dodji Seketeli <dodji@redhat.com>
6138 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6139 * c-common.c (set_underlying_type): Likewise.
6140 (is_typedef_decl ): Likewise
6142 (set_underlying_type): Likewise.
6143 (is_typedef_type): Likewise.
6145 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
6148 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6151 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6154 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
6155 (LIBGCC_SPEC): Don't define.
6156 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
6158 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
6160 PR rtl-optimization/38879
6161 * alias.c (base_alias_check): Unaligned access via AND address can
6162 alias all surrounding object types except those with sizes equal
6163 or wider than the size of unaligned access.
6165 2009-01-21 Dodji Seketeli <dodji@redhat.com>
6168 * c-decl.c (clone_underlying_type): Move this ...
6169 * c-common.c (set_underlying_type): ... here.
6170 Also, make sure the function properly sets TYPE_STUB_DECL() on
6171 the newly created typedef variant type.
6172 (is_typedef_decl ): New entry point.
6173 * tree.h: Added a new member member_types_needing_access_check to
6174 struct tree_decl_non_common.
6175 (set_underlying_type): New entry point.
6176 (is_typedef_type): Likewise.
6178 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
6180 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6181 Check whether two instructions have memory references that
6182 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
6183 are helper functions for traversing.
6184 * alias.h (insn_alias_sets_confilict_p): New prototypes.
6185 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6186 not to draw dependency edge for instructions with non-conflicting
6189 2009-01-20 Joseph Myers <joseph@codesourcery.com>
6192 * longlong.h: Update copyright years. Use soft-fp license notice.
6193 Sync __clz_tab declaration with glibc.
6195 2009-01-20 Steve Ellcey <sje@cup.hp.com>
6198 * doc/extend.texi (syscall_linkage): New.
6199 (version_id): Modify.
6201 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
6202 Richard Guenther <rguenther@suse.de>
6204 PR tree-optimization/38747
6205 PR tree-optimization/38748
6206 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6207 conversion if the base address is an indirect reference and the
6208 aliasing sets could cause issues.
6210 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6212 * common.opt (fgraphite, fgraphite-identity): Add comment for
6213 explaining why these options are not documented.
6215 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6217 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6218 gimple_call_lhs is NULL.
6220 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
6223 * emit-rtl.c (adjust_address_1): Make sure memref is never
6226 2009-01-20 Ben Elliston <bje@au.ibm.com>
6228 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6229 const qualifier from arg parameter. Remove unnecessary cast to char *.
6230 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6231 const qualifier from arg 2.
6233 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6235 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6237 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
6240 * rtl.h (reinit_regs): New prototype.
6241 * regclass.c: Include ira.h.
6243 * Makefile.in (regclass.o): Add ira.h.
6244 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6246 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6249 * c-common.c (handle_aligned_attribute): Use
6250 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6251 default alignment value.
6253 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6255 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6256 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6258 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6259 __BIGGEST_ALIGNMENT__.
6261 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6263 2009-01-18 Richard Guenther <rguenther@suse.de>
6265 PR tree-optimization/38819
6266 * tree-flow.h (operation_could_trap_helper_p): Declare.
6267 * tree-eh.c (operation_could_trap_helper_p): Export.
6268 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6269 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6270 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6271 are about to insert a possibly trapping instruction and fail
6274 2009-01-18 Andreas Schwab <schwab@suse.de>
6276 * doc/install.texi (Configuration): Remove obsolete paragraph
6277 about use of --with-gnu-ld with --with-gnu-as.
6279 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6281 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6282 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6283 Follow spelling conventions.
6285 2009-01-18 Ben Elliston <bje@au.ibm.com>
6287 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6288 C++ warning about implicit conversion from void * to struct
6290 (bitmap_obstack_free): Likewise for bitmap_element *.
6291 * Makefile.in (bitmap.o-warn): Remove.
6293 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6295 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6297 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6298 Tobias Grosser <tobi.grosser@amd.com>
6300 * graphite.c (graphite_trans_scop_block): Do not block single
6303 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6305 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6306 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6307 test with assertion.
6309 2009-01-16 Richard Guenther <rguenther@suse.de>
6311 PR tree-optimization/38835
6313 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6314 and INT + PTR -> (INT)(PTR p+ INT) folding.
6315 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6317 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6320 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6321 the subreg from a lowpart subreg if it is also casting the value.
6323 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6324 Tobias Grosser <tobi.grosser@amd.com>
6326 * graphite.c (compare_prefix_loops): New.
6327 (build_scop_canonical_schedules): Rewritten.
6328 (graphite_transform_loops): Move build_scop_canonical_schedules
6329 after build_scop_iteration_domain.
6331 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6332 Tobias Grosser <tobi.grosser@amd.com>
6334 * graphite.c (add_conditions_to_domain): Add the loops to
6335 the dimension of the iteration domain. Do copy the domain
6336 only when it exists.
6337 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6338 (add_conditions_to_constraints): New.
6339 (can_generate_code_stmt, can_generate_code): Removed.
6340 (gloog): Do not call can_generate_code.
6341 (graphite_transform_loops): Call add_conditions_to_constraints
6342 after building the iteration domain.
6344 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6346 PR tree-optimization/38789
6347 * tree-ssa-threadedge.c
6348 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6349 __builtin_constant_p.
6351 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6353 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6354 examined before deleting them.
6356 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6358 * function.c (aggregate_value_p): Correctly extract the function
6359 type from CALL_EXPR_FN lookup.
6361 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6363 * config/picochip/picochip.c (picochip_override_options): Revert
6364 CFI asm flag disable commited previously.
6366 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6367 Tobias Grosser <tobi.grosser@amd.com>
6368 Jan Sjodin <jan.sjodin@amd.com>
6370 * graphite.c (scan_tree_for_params): On substractions negate
6371 all the coefficients of the term.
6372 (clast_to_gcc_expression_red): New. Handle reduction expressions
6373 of more than two operands.
6374 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6375 (get_vdef_before_scop): Handle also the case of default definitions.
6377 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6379 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6380 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6381 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6383 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6384 Joey Ye <joey.ye@intel.com>
6387 * cfgexpand.c (expand_stack_alignment): Don't update stack
6388 boundary nor check incoming stack boundary here.
6389 (gimple_expand_cfg): Update stack boundary and check incoming
6390 stack boundary here.
6392 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6394 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6396 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6398 PR rtl-optimization/38245
6399 * calls.c (expand_call): Add stack arguments to
6400 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6401 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6402 in regs and partially in memory or BLKmode arguments.
6403 (emit_library_call_value_1): Add stack arguments to
6404 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6405 ACCUMULATE_OUTGOING_ARGS).
6406 * dce.c: Include tm_p.h.
6407 (find_call_stack_args): New function.
6408 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6410 (mark_insn): Call find_call_stack_args for CALL_Ps.
6411 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6412 forwards. Allocate and free arg_stores bitmap if needed, pass it
6413 down to deletable_insn_p, don't mark stores set in arg_stores
6414 bitmap, clear the bitmap at the beginning of each bb.
6415 * Makefile.in (dce.o): Depend on $(TM_P_H).
6417 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6420 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6421 to make sure the insn is a conditional test (bug 22599). Reformat a
6424 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6427 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6428 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6429 (gloog): Do not call cleanup_tree_cfg.
6430 (graphite_transform_loops): Call cleanup_tree_cfg after all
6431 scops have been code generated.
6433 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6434 * doc/gty.texi (Invoking the garbage collector): Added new node
6435 and section documenting ggc_collect.
6437 2009-01-14 Richard Guenther <rguenther@suse.de>
6439 PR tree-optimization/38826
6441 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6442 initialization notes only if we actually emitted a warning.
6443 (intra_create_variable_infos): Add constraints for a result decl
6444 that is passed by hidden reference.
6445 (build_pred_graph): Mark all related variables non-direct on
6448 2009-01-14 Nick Clifton <nickc@redhat.com>
6450 * ira-conflicts.c: Include addresses.h for the definition of
6452 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6453 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6455 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6458 * Makefile.in (ira-lives.o): Add except.h.
6460 * ira-lives.c: Include except.h.
6461 (process_bb_node_lives): Process can_throw_internal.
6463 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6465 PR rtl-optimization/38774
6466 * combine.c (simplify_set): When undoing cc_use change, don't do
6467 PUT_CODE on the newly created comparison, but instead put back the
6470 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6472 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6473 values. Remove duplicate arm8 entry.
6475 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6477 PR tree-optimization/38786
6478 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6479 the SSA_NAME case of expand_scalar_variables_expr.
6480 Set the type of an expression to the type of its assign statement.
6481 (expand_scalar_variables_expr): Also gather the scalar computation
6482 used to index the memory access. Do not pass loop_p.
6483 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6484 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6485 the gimple_stmt_iterator where it inserts new code.
6487 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6488 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6490 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6492 * graphite.h (debug_value): Removed.
6493 * graphite.c (debug_value): Removed.
6495 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6497 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6498 ldrd/strd with two 32-bit instructions.
6500 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6502 * config/arm/arm.c (struct processors): Pass for speed down into
6503 cost helper functions.
6504 (const_ok_for_op): Handle COMPARE and inequality nodes.
6505 (arm_rtx_costs_1): Rewrite.
6506 (arm_size_rtx_costs): Update prototype.
6507 (arm_rtx_costs): Pass speed down to helper functions.
6508 (arm_slowmul_rtx_costs): Rework cost calculations.
6509 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6510 (arm_9e_rtx_costs): Likewise.
6512 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6514 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6515 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6516 (alpha_legitimize_address): Do not split local symbols wider than
6517 UNITS_PER_WORD into HIGH/LO_SUM parts.
6519 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6522 * gcc.c (process_command): Replace call to execvp with calls
6523 to pex_one and exit.
6525 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6528 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6529 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6530 variant for devices with 3-byte PC.
6531 (__tablejump_elpm__): New.
6533 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6536 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6537 offsetof member-designator, handle it as `[0].'.
6539 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6541 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6542 function when not using named sections on targets with named sections
6543 if branch distance is less than 262132.
6545 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6547 * combine.c (combine_instructions): Recompute
6548 optimize_this_for_speed_p for each BB in the main combine loop.
6550 2009-01-12 Tomas Bily <tbily@suse.cz>
6553 * tree-loop-distribution.c (prop_phis): New function.
6554 (generate_builtin): Call prop_phis.
6555 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6557 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6559 PR tree-optimization/38807
6560 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6561 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6563 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6565 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6566 subreg of op0 to the original op0.
6568 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6570 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6572 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6575 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6576 starting with digits.
6578 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6581 * config/arm/arm.c (arm_is_long_call_p): Don't call
6582 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6584 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6586 * regrename.c (regrename_optimize): Fix dumping.
6587 (find_oldest_value_reg): Preserve REG_POINTER.
6588 (copy_hardreg_forward_1): Likewise.
6590 2009-01-09 Diego Novillo <dnovillo@google.com>
6592 * gimple.h (struct gimple_statement_base) <uid>: Document
6593 the restrictions on its use.
6595 (gimple_set_uid): Tidy.
6597 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6599 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6600 zero guard even if align_bytes != 0 and count is smaller than
6603 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6605 PR rtl-optimization/38495
6606 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6607 (add_range_and_copies_from_move_list): Print all added ranges.
6608 Add ranges to memory optimized destination.
6610 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6614 * config/i386/i386.c (override_options): Reject
6615 -mstringop-strategy=rep_8byte with -m32.
6616 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6617 to 1. Do count comparison against epilogue_size_needed at compile
6618 time even when count_exp was constant forced into register. For
6619 size_needed don't jump to epilogue, instead just avoid aligning
6620 and invoke the body algorithm. If need_zero_guard, add zero guard
6621 even if count is non-zero, but smaller than size_needed + number of
6622 bytes that could be stored for alignment.
6623 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6624 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6625 but smaller than size_needed + number of bytes that could be stored
6626 for alignment. Compare size_needed with epilogue_size_needed instead
6627 of desired_align - align, don't adjust size_needed, pass
6628 epilogue_size_needed to the epilogue expanders.
6631 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6633 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6635 * pa.c (last_address): Change to unsigned.
6636 (update_total_code_bytes): Change argument to unsigned. Don't
6637 check if insn addresses are set.
6638 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6639 addresses are not set.
6640 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6642 2009-01-09 Nick Clifton <nickc@redhat.com>
6644 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6645 DECL_DECLARED_INLINE_P.
6647 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6650 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6651 GET_MODE (op0) in operand_subword_force calls.
6654 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6655 fold_convert arg0 operands to TREE_TYPE (op0) first.
6657 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6659 * params.def (ira-max-conflict-table-size): Decrease default value
6662 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6664 PR tree-optimization/37031
6665 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6667 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6668 allocate it using gc instead of heap, use VEC_quick_push instead of
6670 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6671 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6672 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6673 allocated vector from heap allocated.
6674 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6675 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6676 vector only after perfect_loop_nest_depth call.
6678 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6679 Jan Sjodin <jan.sjodin@amd.com>
6681 PR tree-optimization/38559
6682 * graphite.c (debug_value, copy_constraint,
6683 swap_constraint_variables, scale_constraint_variable, ): New.
6684 (get_lower_bound, get_upper_bound): Removed.
6685 (graphite_trans_bb_strip_mine): Clean up this code that works
6686 only for constant number of iterations. Fully copy upper and
6687 lower bound constraints, not only the constant part of them.
6688 * graphite.h (debug_value): Declared.
6690 2009-01-08 Ira Rosen <irar@il.ibm.com>
6692 PR tree-optimization/37194
6693 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6694 Don't add the cost of cost model guard in prologue to scalar
6695 outside cost in case of known number of iterations.
6697 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6698 Alan Modra <amodra@bigpond.net.au>
6700 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6701 non-word-aligned REG+CONST addressing.
6703 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6706 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6707 free_after_compilation when outputting a thunk.
6708 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6709 Do not call free_after_compilation here.
6711 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6713 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6714 (ix86_valid_target_attribute_inner_p): Ditto.
6716 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6718 PR tree-optimization/38492
6719 PR tree-optimization/38498
6720 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6721 * tree-chrec.h (scev_is_linear_expression): Declared.
6722 * graphite.c (graphite_cannot_represent_loop_niter): New.
6723 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6724 (graphite_loop_normal_form): Use gcc_assert.
6725 (scan_tree_for_params): Use CASE_CONVERT.
6726 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6727 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6728 Use gcc_assert. Discard scops that contain unhandled cases.
6729 (build_scop_conditions): Return a boolean status for unhandled cases.
6730 (strip_mine_profitable_p): Print the loop number, not its depth.
6731 (is_interchange_valid): Pass the depth of the loop nest, don't
6732 recompute it wrongly.
6733 (graphite_trans_bb_block): Same.
6734 (graphite_trans_bb_block): Print tentative of loop blocking.
6735 (graphite_trans_scop_block): Do not print that the loop has been
6737 (graphite_transform_loops): Do not handle scops that contain condition
6740 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6742 AVX Programming Reference (December, 2008)
6743 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6744 (_mm256_stream_pd): Likewise.
6745 (_mm256_stream_ps): Likewise.
6747 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6748 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6749 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6750 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6751 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6752 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6753 (ix86_expand_special_args_builtin): Likewise.
6755 * config/i386/sse.md (AVXMODEDI): New.
6756 (avx_movnt<mode>): Likewise.
6757 (avx_movnt<mode>): Likewise.
6758 (<sse>_movnt<mode>): Remove AVX support.
6759 (sse2_movntv2di): Likewise.
6761 2009-01-07 Richard Guenther <rguenther@suse.de>
6764 * fold-const.c (extract_muldiv): Remove obsolete comment.
6765 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6766 to PLUS_EXPR canonicalization for the canonicalization.
6768 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6770 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6771 hosted cross-compilers generating less efficient code.
6773 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6775 * function.h (rtl_data): Add a dbr_scheduled_p field.
6776 * reorg.c (dbr_schedule): Set it.
6777 (gate_handle_delay_slots): Check it.
6778 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6779 (mips_reorg): Check flag_delayed_branch instead of
6780 mips_base_delayed_branch.
6781 (mips_override_options): Don't set mips_base_delayed_branch
6782 or flag_delayed_branch.
6784 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6786 PR rtl-optimization/38426.
6787 * ira.c (ira): Set current_function_is_leaf earlier.
6789 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6791 PR rtl-optimization/38722
6792 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6793 too early, only set a flag and modify after last possible
6796 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6799 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6800 * real.c (decimal_single_format): Correct values of emin and emax.
6801 (decimal_double_format): Ditto.
6802 (decimal_quad_format): Ditto.
6803 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6804 computation of DECnn_MIN and DECnn_MAX for corrected values of
6805 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6806 __DECnn_MIN__, and adjust its computation for the corrected value
6809 2009-01-06 Jan Hubicka <jh@suse.cz>
6812 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6814 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6816 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6817 Add Robert Clark to the list of testers.
6819 2009-01-06 Jan Hubicka <jh@suse.cz>
6820 Kai Tietz <kai.tietz@onevision.com>
6822 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6823 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6825 2009-01-06 Jan Hubicka <jh@suse.cz>
6826 Kai Tietz <kai.tietz@onevision.com>
6828 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6830 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6831 (ix86_nsaved_regs): Count only general purpose regs.
6832 (ix86_nsaved_sseregs): New.
6833 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6834 to 16 for w64; compute padding and size of sse reg save area.
6835 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6836 general purpose regs.
6837 (ix86_emit_save_sse_regs_using_mov): New.
6838 (ix86_expand_prologue): Save SSE regs if needed.
6839 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6840 (ix86_emit_restore_sse_regs_using_mov): New.
6841 (ix86_expand_epilogue): Save SSE regs if needed.
6843 2009-01-06 Jan Hubicka <jh@suse.cz>
6844 Kai Tietz <kai.tietz@onevision.com>
6846 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6847 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6848 functions when accumulate outgoing args is off.
6850 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6853 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6854 before using pseudos_have_intersected_live_ranges_p.
6856 * ira-int.h (ira_assert): Always define.
6858 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6860 AVX Programming Reference (December, 2008)
6861 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6862 (_mm256_permute2_pd): Likewise.
6863 (_mm_permute2_ps): Likewise.
6864 (_mm256_permute2_ps): Likewise.
6865 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6866 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6868 * config/i386/i386.c (ix86_builtins): Remove
6869 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6870 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6871 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6872 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6873 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6874 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6875 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6876 __builtin_ia32_vpermil2ps256.
6877 (ix86_init_mmx_sse_builtins): Updated.
6878 (ix86_expand_args_builtin): Likewise.
6880 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6882 * pa.c (output_call): Relocate non-jump insns in the delay slot of
6883 long absolute calls when generating PA 2.0 code.
6885 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
6887 PR rtl-optimization/38583
6888 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6890 * params.def (ira-max-conflict-table-size): New.
6892 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6894 * ira.h (ira_conflicts_p): New external definition.
6896 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6897 table. Report this. Return result of building.
6898 (ira_build_conflicts): Use ira_conflicts_p. Check result of
6899 building conflict table.
6901 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6902 (ira_color): Use ira_conflicts_p.
6904 * global.c: Include ira.h.
6905 (pseudo_for_reload_consideration_p, build_insn_chain): Use
6908 * Makefile.in (global.o): Add ira.h.
6910 * ira-build.c (mark_all_loops_for_removal,
6911 propagate_some_info_from_allocno): New.
6912 (remove_unnecessary_allocnos): Call
6913 propagate_some_info_from_allocno.
6914 (remove_low_level_allocnos): New.
6915 (remove_unnecessary_regions): Add parameter. Call
6916 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
6917 parameter to remove_unnecessary_regions.
6918 (ira_build): Remove all regions but root if the conflict table was
6919 not built. Update conflict hard regs for allocnos crossing calls.
6921 * ira.c (ira_conflicts_p): New global.
6922 (ira): Define and use ira_conflicts_p.
6924 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6925 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6926 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6928 2009-01-06 Ben Elliston <bje@au.ibm.com>
6930 * gengtype-lex.l (YY_NO_INPUT): Define.
6932 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
6935 * c-common.c (handle_vector_size_attribute): Also reject
6938 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
6940 PR tree-optimization/38492
6941 * graphite.c (rename_map_elt, debug_rename_elt,
6942 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6943 rename_map_elt_info, eq_rename_map_elts,
6944 get_new_name_from_old_name, bb_in_sese_p): Moved around.
6945 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6946 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6947 (sese_build_livein_liveouts): New.
6948 (new_sese, free_sese): New.
6949 (new_scop): Call new_sese.
6950 (free_scop): Call free_sese.
6951 (rename_variables_from_edge, rename_phis_end_scop): Removed.
6952 (register_old_new_names): Renamed register_old_and_new_names.
6953 (register_scop_liveout_renames, add_loop_exit_phis,
6954 insert_loop_close_phis, struct igp,
6955 default_liveout_before_guard, add_guard_exit_phis,
6956 insert_guard_phis, copy_renames): New.
6957 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6958 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6959 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6960 (scop_adjust_phis_for_liveouts): New.
6961 (gloog): Call scop_adjust_phis_for_liveouts.
6963 * graphite.h (struct sese): Documented. Added fields liveout,
6965 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6966 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6967 (struct scop): Added field liveout_renames.
6968 (SCOP_LIVEOUT_RENAMES): New.
6970 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6972 PR tree-optimization/38510
6973 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6974 (translate_clast): Call recompute_all_dominators before
6976 (gloog): Call recompute_all_dominators before graphite_verify.
6978 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6979 Jan Sjodin <jan.sjodin@amd.com>
6981 PR tree-optimization/38500
6982 * graphite.c (create_sese_edges): Call fix_loop_structure after
6985 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
6987 * config.gcc: Add m32r*-*-rtems*.
6988 * config/m32r/rtems.h: New file.
6990 2009-01-05 Ben Elliston <bje@au.ibm.com>
6992 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6993 (.po.pox): Likewise.
6994 (po/gcc.pot): Likewise.
6996 2009-01-04 David S. Miller <davem@davemloft.net>
6998 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6999 (STARTING_FRAME_OFFSET): Always set to zero.
7001 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7003 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7004 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7005 fixed-point types, and vectors of the same.
7007 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7009 * config/mips/sync.md (*mb_barrier): Rename to...
7010 (*memory_barrier): ...this.
7012 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
7014 * doc/extend.texi (Function Attributes): Move @cindex after @item
7015 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7016 and put in alphabetical order. Fix 'target' name and put in order.
7017 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7020 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
7022 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7023 (memory_barrier): Expand as unspec instead of unspec_volatile.
7024 Remove mem:BLK from insn operands. Use Pmode scratch register.
7025 (*memory_barrier): Define as unspec instead of unspec_volatile.
7026 Use (match_dup 0) as input operand.
7028 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7029 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7030 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
7031 scratch register. Remove operand 1.
7032 (*stbar): Define as unspec instead of unspec_volatile.
7033 Use (match_dup 0) as input operand, remove (const_int 8).
7034 (*membar): Define as unspec instead of unspec_volatile.
7035 Use (match_dup 0) as input operand, remove input operand 2.
7037 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7038 (memory_barrier): Expand as unspec instead of unspec_volatile.
7039 Remove mem:BLK from insn operands. Use Pmode scratch register.
7040 (*memory_barrier): Define as unspec instead of unspec_volatile.
7041 Use (match_dup 0) as input operand.
7043 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7044 Remove mem:BLK from insn operands. Use Pmode scratch register.
7045 Set volatile flag on operand 0.
7046 (*memory_barrier): New insn pattern.
7048 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7050 (*memory_barrier): Use (match_dup 0) as input operand.
7052 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7053 Remove mem:BLK from insn operands. Use Pmode scratch register.
7054 Set volatile flag on operand 0.
7055 (*mb_internal): New insn pattern.
7057 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7059 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7062 * function.c (struct temp_slot): Move to the section of the file
7063 that deals with temp slots. Remove field 'address'.
7064 (temp_slot_address_table): New hash table of address -> temp slot.
7065 (struct temp_slot_address_entry): New struct, items for the table.
7066 (temp_slot_address_compute_hash, temp_slot_address_hash,
7067 temp_slot_address_eq, insert_temp_slot_address): Support functions
7069 (find_temp_slot_from_address): Rewrite to use the new hash table.
7070 (remove_unused_temp_slot_addresses): Remove addresses of temp
7071 slots that have been made available.
7072 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7073 worker function for remove_unused_temp_slot_addresses.
7074 (assign_stack_temp_for_type): Don't clear the temp slot address list.
7075 Add the temp slot address to the address -> temp slot map.
7076 (update_temp_slot_address): Update via insert_temp_slot_address.
7077 (free_temp_slots): Call remove_unused_temp_slot_addresses.
7078 (pop_temp_slots): Likewise.
7079 (init_temp_slots): Allocate the address -> temp slot map, or empty
7080 the map if it is already allocated.
7081 (prepare_function_start): Initialize temp slot processing.
7083 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7086 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7087 Calculate the size of all stack vars assuming no packing of stack
7088 vars will happen, replacing a quadratic algorithm with a linear one.
7090 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7093 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7096 2009-01-03 Diego Novillo <dnovillo@google.com>
7098 * doc/contrib.texi: Update contributions.
7100 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7103 * builtins.c (fold_builtin_memory_op): Give up if either operand
7104 is volatile. Set srctype or desttype to non-qualified version
7108 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7111 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
7113 PR rtl-optimization/35805
7114 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7115 problem if fast dce is able to remove any instructions.
7116 * dce.c (dce_process_block): Fix dump message.
7118 2009-01-02 Mark Mitchell <mark@codesourcery.com>
7121 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7123 2009-01-02 Jakub Jelinek <jakub@redhat.com>
7126 * tree-flow.h (op_code_prio, op_prio): New prototypes.
7127 * tree-pretty-print.c (op_code_prio): New function.
7128 (op_prio): No longer static. Use op_code_prio.
7129 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7130 Use op_prio and op_code_prio to determine if () should be
7131 printed around operand(s) or not.
7133 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7134 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7135 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7136 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7137 pp_character instead of pp_string for single letter printing.
7139 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7141 * doc/extend.texi: Fix '#pragma GCC option' typo.
7143 2009-01-02 Richard Guenther <rguenther@suse.de>
7145 * doc/install.texi (--enable-checking): Mention different
7147 (--enable-stage1-checking): Document.
7149 2009-01-01 Andrew Pinski <pinskia@gmail.com>
7152 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
7153 case to be an error.
7155 2009-01-02 Ben Elliston <bje@au.ibm.com>
7157 * config/fp-bit.h (pack_d): Constify argument.
7158 * config/fp-bit.c (makenan): Constify return type. Remove casts.
7159 (isnan): Constify argument.
7163 (_fpadd_parts): Constify return type.
7164 (_fpmul_parts): Likewise.
7165 (_fpdiv_parts): Likewise.
7167 2009-01-01 Jakub Jelinek <jakub@redhat.com>
7170 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
7171 warn about overwriting initializer with side-effects or
7172 -Woverride-init if !IMPLICIT.
7173 (output_init_element): Likewise. Pass IMPLICIT down to
7175 (process_init_element): Add IMPLICIT argument. Pass it down
7176 to output_init_element.
7177 (push_init_element, pop_init_level, set_designator): Adjust
7178 process_init_element callers.
7179 (set_nonincremental_init, set_nonincremental_init_from_string):
7180 Adjust add_pending_init callers.
7181 (output_pending_init_elements): Adjust output_init_element callers.
7182 * c-tree.h (process_init_element): Adjust prototype.
7183 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7184 process_init_element callers.
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