1 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
3 * function.c (current_function_assembler_name): Remove.
4 * function.h: Remove the prototype for
5 current_function_assembler_name.
7 2009-04-16 Ian Lance Taylor <iant@google.com>
9 * rtlanal.c (alloc_reg_note): New function, broken out of
11 (add_reg_note): Call alloc_reg_note.
12 * rtl.h (alloc_reg_note): Declare.
13 * combine.c (try_combine): Use alloc_reg_note.
14 (recog_for_combine, move_deaths): Likewise.
15 (distribute_notes): Use alloc_reg_note and add_reg_note.
16 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
17 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
18 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
20 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
22 PR rtl-optimization/39762
23 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
24 ira_may_move_out_cost): Add comments about way of their usage.
25 (ira_get_register_move_cost, ira_get_may_move_cost): New
28 * ira-conflicts.c (process_regs_for_copy): Use function
29 ira_get_register_move_cost instead of global
30 ira_register_move_cost.
32 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
33 color_pass, move_spill_restore, update_curr_costs): Ditto.
35 * ira-lives.c (process_single_reg_class_operands): Ditto.
37 * ira-emit.c (emit_move_list): Ditto.
39 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
40 (record_reg_classes): Ditto. Use functions
41 ira_get_register_move_cost and ira_get_may_move_cost instead of
42 global vars ira_register_move_cost, ira_may_move_out_cost and
44 (record_address_regs): Don't call ira_init_register_move_cost.
45 Use function ira_get_may_move_cost instead of global
47 (process_bb_node_for_hard_reg_moves): Use function
48 ira_get_register_move_cost instead of global
49 ira_register_move_cost.
50 (ira_costs): Don't call ira_init_register_move_cost.
52 2009-04-16 Richard Guenther <rguenther@suse.de>
54 * tree-cfg.c (verify_gimple_assign_binary):
55 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
56 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
57 (create_general_new_stmt): Note that this function is broken.
59 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
61 * common.opt (fhelp): Add Var(help_flag).
62 * gcc-plugin.h (plugin_info): Add help.
63 * plugin.c (plugin_name_args): Add help.
64 (register_plugin_info): Set plugin->help.
65 (print_help_one_plugin): New.
66 (print_plugins_help): New.
67 * plugin.h (print_plugins_help): New.
68 * toplev.c (toplev_main): Call print_plugins_help if needed.
70 2009-04-16 Richard Guenther <rguenther@suse.de>
72 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
73 (gimple_ior_addresses_taken_1): New function.
74 (gimple_ior_addresses_taken): Likewise.
75 * gimple.h (struct gimple_statement_with_ops_base): Remove
76 addresses_taken member.
77 (gimple_ior_addresses_taken): Declare.
78 (gimple_addresses_taken, gimple_addresses_taken_ptr,
79 gimple_set_addresses_taken): Remove.
80 * ipa-reference.c (mark_address): New function.
81 (scan_stmt_for_static_refs): Use it for marking addresses taken.
82 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
83 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
84 (gimple_add_to_addresses_taken): Remove.
85 (get_tmr_operands): Call mark_address_taken.
86 (get_asm_expr_operands): Likewise.
87 (get_expr_operands): Likewise.
88 (build_ssa_operands): Do not clear the addresses_taken bitmap.
89 (free_stmt_operands): Do not free it.
90 * tree-ssa.c (delete_tree_ssa): Likewise.
91 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
93 2009-04-16 Richard Guenther <rguenther@suse.de>
95 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
96 (walk_stmt_load_store_ops): Likewise.
97 * gimple.c (get_base_loadstore): New function.
98 (walk_stmt_load_store_addr_ops): Likewise.
99 (walk_stmt_load_store_ops): Likewise.
100 * ipa-pure-const.c (check_op): Simplify.
101 (check_load, check_store): New functions.
102 (check_stmt): Use walk_stmt_load_store_ops.
103 * ipa-reference.c (mark_load): Adjust signature.
104 (mark_store): Likewise.
105 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
107 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
109 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
111 * opts.c (common_handle_option): Don't call print_version.
112 * plugin.c (plugin_name_args): Add version.
113 (register_plugin_info): New.
114 (register_callback): Handle PLUGIN_INFO.
115 (try_init_one_plugin): New.
116 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
118 (finalize_one_plugin): New.
119 (finalize_plugins): New.
120 (print_one_plugin): New.
121 (print_plugins_versions): New.
122 * plugin.h (print_plugins_versions): New.
123 (finalize_plugins): New.
124 * toplev.c (compile_file): Don't call initialize_plugins.
125 (print_version): Call print_plugins_versions.
126 (toplev_main): Call initialize_plugins. Print version if needed.
127 Call finalize_plugins.
129 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
131 * common.opt (fversion): New.
132 * gcc.c (print_version): New.
133 (process_command): Don't print the version. Just set print_version.
134 (main): Print version. Call subprocesses if print_version and
135 verbose_flag are set.
136 * opts.c (common_handle_option): Handle OPT_fversion.
138 2009-04-16 Richard Guenther <rguenther@suse.de>
139 Ira Rosen <irar@il.ibm.com>
141 PR tree-optimization/39698
142 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
143 type of the reduction variable. Only generate the def if
146 * omp-low.c (expand_omp_for_generic): When converting to a pointer
147 make sure to first convert to an integer of the same precision.
148 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
149 the type of the evolution correctly in computing the new
150 induction variable base.
152 2009-04-16 Richard Guenther <rguenther@suse.de>
155 * tree-cfg.c (make_blocks): Split statements with to-be
156 abnormal SSA names on the lhs.
158 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
160 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
161 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
162 * c-typeck.c (really_start_incremental_init): Likewise.
163 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
164 (TARGET_INITIALIZER): Remove it.
165 * target.h (struct target): Remove vector_opaque_p.
166 * tree.c (build_opaque_vector_type): New.
167 * tree.h (TYPE_VECTOR_OPAQUE): New.
168 (build_opaque_vector_type): Declare.
169 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
170 * config/rs6000/rs6000.c (build_opaque_vector_type,
171 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
172 (rs6000_init_builtins): Use build_opaque_vector_type for
173 opaque_V4SI_type_node.
175 2009-04-15 Catherine Moore <clm@codesourcery.com>
177 * debug.h (set_name): Declare.
178 * dwarf2out.c (dwarf2out_set_name): Declare.
179 (dwarf2_debug_hooks): Add set_name.
180 (find_AT_string): New.
181 (add_AT_string): Call find_AT_string.
182 (dwarf2out_set_name): New.
183 * cp/decl.c (grokdeclarator): Call set_name.
184 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
185 * debug.c (do_nothing_debug_hooks): Likewise.
186 * dbxout.c (dbx_debug_hooks): Likewise.
187 * sdbout.c (sdb_debug_hooks): Likewise.
189 2009-04-15 Michael Eager <eager@eagercon.com>
191 * config/rs6000/rs6000.c: rs6000_function_value: set function return
192 reg for single-precision FPU
193 * config/rs6000/rs6000.md: (movsi_internal1): only for !TARGET_SINGLE_FPU
194 (movsi_internal1_single): New: add pattern to move SI values to/from
195 single-precision FP regs.
197 2009-04-15 Richard Guenther <rguenther@suse.de>
199 * omp-low.c (lower_rec_input_clauses): Build correct address
201 (expand_omp_for_generic): Fix multiplication type.
202 * tree-loop-distribution.c (build_size_arg): Build a
204 (generate_memset_zero): Fix types.
205 * tree-profile.c (prepare_instrumented_value): Correctly
208 2009-04-15 Ian Lance Taylor <iant@google.com>
210 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
211 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
212 for -Wall and for -Wc++-compat.
213 (c_common_post_options): For C++, set warn_enum_compare if not
215 * c-tree.h (struct c_expr): Add field original_type.
216 (build_external_ref): Update declaration.
217 * c-parser.c (c_parser_braced_init): Set original_type.
218 (c_parser_initelt): Likewise.
219 (c_parser_expr_no_commas): Likewise.
220 (c_parser_conditional_expression): Likewise.
221 (c_parser_cast_expression): Likewise.
222 (c_parser_unary_expression): Likewise. Pull setting of
223 original_code to top of function.
224 (c_parser_sizeof_expression): Set original_type.
225 (c_parser_alignof_expression): Likewise.
226 (c_parser_postfix_expression): Likewise. Pull setting of
227 original_code to top of function.
228 (c_parser_postfix_expression_after_paren_type): Set
230 (c_parser_postfix_expression_after_primary): Likewise.
231 (c_parser_expression): Likewise.
232 * c-typeck.c (build_external_ref): Add type parameter. Change all
234 (c_expr_sizeof_expr): Set original_type field.
235 (parser_build_unary_op): Likewise.
236 (parser_build_binary_op): Likewise. Optionally warn about
237 comparisons of enums of different types.
238 (digest_init): Set original_type field.
239 (really_start_incremental_init): Likewise.
240 (push_init_level, pop_init_level): Likewise.
241 * doc/invoke.texi (Warning Options): -Wenum-compare now
244 2009-04-15 Richard Guenther <rguenther@suse.de>
246 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
247 out a necessary conversion.
248 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
249 names we didn't value number.
250 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
252 2009-04-15 Richard Guenther <rguenther@suse.de>
254 PR tree-optimization/39764
255 * tree-ssa-ccp.c (get_value): Canonicalize value with
256 canonicalize_float_value.
258 2009-04-15 Jan Hubicka <jh@suse.cz>
260 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
261 Wrong version of patch.
263 2009-04-15 Jan Hubicka <jh@suse.cz>
265 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
267 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
269 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
270 our distinct integral and vector types.
272 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
274 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
275 * init.c (build_vtbl_address): Remove call to assemble_external.
277 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
279 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
280 output for other floating point modes.
282 2009-04-14 Diego Novillo <dnovillo@google.com>
284 * diagnostic.c (diagnostic_report_diagnostic): Do not
285 warn about loaded plugins for DK_ERROR and DK_WARNING.
286 * c-decl.c (declspecs_add_type): Move call to
287 invoke_plugin_callbacks ...
288 * c-parser.c (c_parser_declspecs): ... here.
289 * plugin.c (dump_active_plugins): Tidy output.
291 2009-04-14 Diego Novillo <dnovillo@google.com>
292 Le-Chun Wu <lcwu@google.com>
294 * configure.ac: Add --enable-plugin support.
295 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
296 * Makefile.in (PLUGIN_H): Define.
297 Export ENABLE_PLUGIN and GMPINC to site.exp.
298 Add PLUGINLIBS to link command.
299 Add/modify dependencies for plugin.o and files including plugin.h.
301 * config.in: Regenerate.
303 * opts.c (common_handle_option): Handle OPT_fplugin_ and
306 2009-04-14 Le-Chun Wu <lcwu@google.com>
308 * tree-pass.h (register_one_dump_file): Add a prototype for
309 register_one_dump_file.
310 * toplev.c (compile_file): Call initialize_plugins.
311 (do_compile): Call invoke_plugin_callbacks.
312 (toplev_main): Call invoke_plugin_callbacks.
313 * common.opt: Add -fplugin= and -fplugin-arg-.
314 * gcc-plugin.h: New public header file for plugins to include.
315 * plugin.c: New source file.
316 * plugin.h: New internal header file.
317 * passes.c (register_one_dump_file): Make it external.
319 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
321 2009-04-14 Diego Novillo <dnovillo@google.com>
323 * doc/plugins.texi: New.
324 * doc/gccint.texi: Add reference to Plugins chapter.
325 * doc/invoke.texi: Document -fplugin and -fplugin-arg
326 * diagnostic.c (diagnostic_report_diagnostic): Warn about
327 loaded plugins, if any.
328 * timevar.def (TV_PLUGIN_INIT): Define.
329 (TV_PLUGIN_RUN): Define.
330 * plugin.c: Include timevar.h
331 (plugins_active_p): New.
332 (dump_active_plugins): New.
333 (debug_active_plugins): New.
335 2009-04-14 Joseph Myers <joseph@codesourcery.com>
337 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
339 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
341 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
343 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
344 the same as a minus without a shift.
346 2009-04-14 Nick Clifton <nickc@redhat.com>
348 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
349 comparisons with small integers will always produce a short
352 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
356 2008-12-19 Diego Novillo <dnovillo@google.com>
358 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
360 2000-04-14 Richard Guenther <rguenther@suse.de>
362 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
364 (verify_gimple_assign_binary): Likewise. Handle shifts and
366 (verify_gimple_phi): Print the mismatched argument position.
367 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
369 (vect_update_init_of_dr): Likewise.
370 * matrix-reorg.c (transform_access_sites): Do what the
372 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
374 2009-04-13 Michael Eager <eager@eagercon.com>
376 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
377 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
378 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
379 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
380 remove duplicate config
382 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
384 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
385 file_name:line_number type locator of the call site.
387 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
389 * genautomata.c: Put blank after comma.
390 (automaton_decls): New.
391 (struct unit_usage): Add comments to member next.
392 (store_alt_unit_usage): Keep the list ordered.
393 (unit_present_on_list_p, equal_alternatives_p): New.
394 (check_regexp_units_distribution): Check units distribution
395 correctness correctly.
396 (main): Don't write automata if error is found. Return correct
399 * config/m68k/cf.md (cfv4_ds): Remove.
400 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
401 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
403 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
404 power4-load-ext, power4-store, power4-store-update,
405 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
406 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
407 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
408 power4-sqrt, power4-isync): Modify reservation to make correct
409 unit distribution to automata.
411 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
412 power5-store-update, power5-two, power5-three, power5-lmul,
413 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
415 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
417 * except.c (pass_set_nothrow_function_flags): Set name and add
419 (set_nothrow_function_flags): Mention in the dump file when
420 changing a function to nothrow.
422 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
425 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
426 instead of unsigned long.
428 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
430 * config/arm/arm.c (return_used_this_function): Remove.
431 (arm_output_function_prologue): Remove use of
432 return_used_this_function.
433 (output_return_instruction): Replace use of
434 return_used_this_function
435 by cfun->machine->return_used_this_function.
436 (arm_output_epilogue): Likewise.
437 (arm_output_function_epilogue): Likewise.
438 (thumb_unexpanded_epilogue): Likewise.
439 * config/arm/arm.h (struct machine_function):
440 New member return_used_this_function.
442 2009-04-12 Mark Mitchell <mark@codesourcery.com>
444 * doc/install.texi: Correct description of default directory for
445 --with-gxx-include-dir.
447 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
449 * fold-const.c (build_range_check): Properly deal with enumeral and
452 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
454 * doc/invoke.texi (max_gcse_passes): Remove documentation.
455 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
456 * params.h (MAX_GCSE_PASSES): Remove.
457 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
458 in sequence. Remove ability to run multiple passes.
459 (bypass_jumps): Report run as third CPROP pass.
461 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
464 * except.c (can_throw_external): Look at each insn in a SEQUENCE
465 when deciding whether the whole SEQUENCE can throw.
467 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
470 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
471 offseted label references.
473 2009-04-11 Jan Hubicka <jh@suse.cz>
475 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
477 2009-04-11 Richard Guenther <rguenther@suse.de>
480 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
481 return variables as TREE_ADDRESSABLE.
483 2009-04-11 Richard Guenther <rguenther@suse.de>
485 PR tree-optimization/39713
486 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
487 reference trees have SSA_NAME operands.
489 2009-04-11 Richard Guenther <rguenther@suse.de>
492 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
495 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
497 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
498 match changes in Cygwin 1.7
499 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
500 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
502 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
504 PR tree-optimization/39701
505 * doc/invoke.texi (Optimization Options): Document change in
506 meaning and initialization of -fdelete-null-pointer-checks.
508 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
511 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
513 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
516 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
518 2009-04-10 Chao-ying Fu <fu@mips.com>
520 * doc/tm.texi (Instruction Output): Document
521 TARGET_ASM_FINAL_POSTSCAN_INSN.
522 * target.h (final_postscan_insn): New field in asm_out.
523 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
524 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
525 * final.c (final_scan_insn): Call
526 targetm.asm_out.final_postscan_insn after outputting
527 an asm macro and a normal instruction.
529 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
530 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
531 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
532 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
533 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
535 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
538 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
539 variables as non-NULL even with -fdelete-null-pointer-checks.
541 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
543 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
545 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
548 * config/i386/i386.c (classify_argument): Handle SCmode with
549 (bit_offset % 64) != 0.
551 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
553 * doc/invoke.texi (Optimize Options): Add cross-reference to
554 -Q --help=optimizers examples.
556 2009-04-10 Ben Elliston <bje@au.ibm.com>
559 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
560 regalign for the reg == fpr and TDmode case.
562 2009-04-09 David Ayers <ayers@fsfe.org>
565 * objc/objc-act.c (warn_with_method): Remove helper function.
566 (check_duplicates): Call warning and inform directly.
567 (really_start_method): Likewise.
569 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
571 * expmed.c (expand_divmod): Always use a comparison for a division
572 by a large unsigned integer.
574 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
575 for things others than variables or functions as nonzero.
577 2009-04-09 Nick Clifton <nickc@redhat.com>
579 * unwind-compat.c: Change copyright header to refer to version
580 3 of the GNU General Public License with version 3.1 of the
581 GCC Runtime Library Exception and to point readers at the
582 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
583 * config/alpha/crtfastmath.c: Likewise.
584 * config/alpha/linux-unwind.h: Likewise.
585 * config/alpha/qrnnd.asm: Likewise.
586 * config/alpha/vms-crt0-64.c: Likewise.
587 * config/alpha/vms-crt0.c: Likewise.
588 * config/alpha/vms-dwarf2.asm: Likewise.
589 * config/alpha/vms-dwarf2eh.asm: Likewise.
590 * config/alpha/vms-psxcrt0-64.c: Likewise.
591 * config/alpha/vms-psxcrt0.c: Likewise.
592 * config/alpha/vms_tramp.asm: Likewise.
593 * config/arc/initfini.c: Likewise.
594 * config/arc/lib1funcs.asm: Likewise.
595 * config/arm/bpabi-v6m.S: Likewise.
596 * config/arm/bpabi.S: Likewise.
597 * config/arm/bpabi.c: Likewise.
598 * config/arm/crti.asm: Likewise.
599 * config/arm/crtn.asm: Likewise.
600 * config/arm/ieee754-df.S: Likewise.
601 * config/arm/ieee754-sf.S: Likewise.
602 * config/arm/lib1funcs.asm: Likewise.
603 * config/arm/libunwind.S: Likewise.
604 * config/arm/linux-atomic.c: Likewise.
605 * config/arm/mmintrin.h: Likewise.
606 * config/arm/pr-support.c: Likewise.
607 * config/arm/unaligned-funcs.c: Likewise.
608 * config/arm/unwind-arm.c: Likewise.
609 * config/arm/unwind-arm.h: Likewise.
610 * config/avr/libgcc.S: Likewise.
611 * config/bfin/crti.s: Likewise.
612 * config/bfin/crtlibid.s: Likewise.
613 * config/bfin/crtn.s: Likewise.
614 * config/bfin/lib1funcs.asm: Likewise.
615 * config/bfin/linux-unwind.h: Likewise.
616 * config/cris/arit.c: Likewise.
617 * config/cris/cris_abi_symbol.c: Likewise.
618 * config/darwin-64.c: Likewise.
619 * config/darwin-crt2.c: Likewise.
620 * config/darwin-crt3.c: Likewise.
621 * config/darwin.h: Likewise.
622 * config/dbxelf.h: Likewise.
623 * config/dfp-bit.c: Likewise.
624 * config/dfp-bit.h: Likewise.
625 * config/elfos.h: Likewise.
626 * config/fixed-bit.c: Likewise.
627 * config/fixed-bit.h: Likewise.
628 * config/fp-bit.c: Likewise.
629 * config/fp-bit.h: Likewise.
630 * config/fr30/crti.asm: Likewise.
631 * config/fr30/crtn.asm: Likewise.
632 * config/fr30/lib1funcs.asm: Likewise.
633 * config/freebsd-spec.h: Likewise.
634 * config/frv/cmovd.c: Likewise.
635 * config/frv/cmovh.c: Likewise.
636 * config/frv/cmovw.c: Likewise.
637 * config/frv/frvbegin.c: Likewise.
638 * config/frv/frvend.c: Likewise.
639 * config/frv/lib1funcs.asm: Likewise.
640 * config/glibc-stdint.h: Likewise.
641 * config/h8300/clzhi2.c: Likewise.
642 * config/h8300/crti.asm: Likewise.
643 * config/h8300/crtn.asm: Likewise.
644 * config/h8300/ctzhi2.c: Likewise.
645 * config/h8300/fixunssfsi.c: Likewise.
646 * config/h8300/lib1funcs.asm: Likewise.
647 * config/h8300/parityhi2.c: Likewise.
648 * config/h8300/popcounthi2.c: Likewise.
649 * config/i386/ammintrin.h: Likewise.
650 * config/i386/att.h: Likewise.
651 * config/i386/avxintrin.h: Likewise.
652 * config/i386/biarch64.h: Likewise.
653 * config/i386/bmmintrin.h: Likewise.
654 * config/i386/cpuid.h: Likewise.
655 * config/i386/cross-stdarg.h: Likewise.
656 * config/i386/crtfastmath.c: Likewise.
657 * config/i386/crtprec.c: Likewise.
658 * config/i386/cygming-crtbegin.c: Likewise.
659 * config/i386/cygming-crtend.c: Likewise.
660 * config/i386/cygwin.asm: Likewise.
661 * config/i386/emmintrin.h: Likewise.
662 * config/i386/gmm_malloc.h: Likewise.
663 * config/i386/gthr-win32.c: Likewise.
664 * config/i386/i386.h: Likewise.
665 * config/i386/immintrin.h: Likewise.
666 * config/i386/linux-unwind.h: Likewise.
667 * config/i386/linux64.h: Likewise.
668 * config/i386/mm3dnow.h: Likewise.
669 * config/i386/mmintrin-common.h: Likewise.
670 * config/i386/mmintrin.h: Likewise.
671 * config/i386/nmmintrin.h: Likewise.
672 * config/i386/pmm_malloc.h: Likewise.
673 * config/i386/pmmintrin.h: Likewise.
674 * config/i386/smmintrin.h: Likewise.
675 * config/i386/sol2-c1.asm: Likewise.
676 * config/i386/sol2-ci.asm: Likewise.
677 * config/i386/sol2-cn.asm: Likewise.
678 * config/i386/sol2-gc1.asm: Likewise.
679 * config/i386/tmmintrin.h: Likewise.
680 * config/i386/unix.h: Likewise.
681 * config/i386/w32-unwind.h: Likewise.
682 * config/i386/wmmintrin.h: Likewise.
683 * config/i386/x86-64.h: Likewise.
684 * config/i386/x86intrin.h: Likewise.
685 * config/i386/xmmintrin.h: Likewise.
686 * config/ia64/crtbegin.asm: Likewise.
687 * config/ia64/crtend.asm: Likewise.
688 * config/ia64/crtfastmath.c: Likewise.
689 * config/ia64/crti.asm: Likewise.
690 * config/ia64/crtn.asm: Likewise.
691 * config/ia64/fde-glibc.c: Likewise.
692 * config/ia64/lib1funcs.asm: Likewise.
693 * config/ia64/linux-unwind.h: Likewise.
694 * config/ia64/quadlib.c: Likewise.
695 * config/ia64/unwind-ia64.c: Likewise.
696 * config/linux.h: Likewise.
697 * config/m32c/m32c-lib1.S: Likewise.
698 * config/m32c/m32c-lib2-trapv.c: Likewise.
699 * config/m32c/m32c-lib2.c: Likewise.
700 * config/m32r/initfini.c: Likewise.
701 * config/m68hc11/larith.asm: Likewise.
702 * config/m68hc11/m68hc11-crt0.S: Likewise.
703 * config/m68k/cf.md: Likewise.
704 * config/m68k/crti.s: Likewise.
705 * config/m68k/crtn.s: Likewise.
706 * config/m68k/lb1sf68.asm: Likewise.
707 * config/m68k/linux-unwind.h: Likewise.
708 * config/mcore/crti.asm: Likewise.
709 * config/mcore/crtn.asm: Likewise.
710 * config/mcore/lib1.asm: Likewise.
711 * config/mips/linux-unwind.h: Likewise.
712 * config/mips/loongson.h: Likewise.
713 * config/mips/mips16.S: Likewise.
714 * config/mmix/crti.asm: Likewise.
715 * config/mmix/crtn.asm: Likewise.
716 * config/pa/fptr.c: Likewise.
717 * config/pa/hpux-unwind.h: Likewise.
718 * config/pa/lib2funcs.asm: Likewise.
719 * config/pa/linux-atomic.c: Likewise.
720 * config/pa/linux-unwind.h: Likewise.
721 * config/pa/milli64.S: Likewise.
722 * config/pa/quadlib.c: Likewise.
723 * config/pa/stublib.c: Likewise.
724 * config/picochip/libgccExtras/adddi3.asm: Likewise.
725 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
726 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
727 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
728 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
729 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
730 * config/picochip/libgccExtras/divmod15.asm: Likewise.
731 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
732 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
733 * config/picochip/libgccExtras/longjmp.asm: Likewise.
734 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
735 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
736 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
737 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
738 * config/picochip/libgccExtras/setjmp.asm: Likewise.
739 * config/picochip/libgccExtras/subdi3.asm: Likewise.
740 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
741 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
742 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
743 * config/rs6000/750cl.h: Likewise.
744 * config/rs6000/altivec.h: Likewise.
745 * config/rs6000/biarch64.h: Likewise.
746 * config/rs6000/crtresfpr.asm: Likewise.
747 * config/rs6000/crtresgpr.asm: Likewise.
748 * config/rs6000/crtresxfpr.asm: Likewise.
749 * config/rs6000/crtresxgpr.asm: Likewise.
750 * config/rs6000/crtsavfpr.asm: Likewise.
751 * config/rs6000/crtsavgpr.asm: Likewise.
752 * config/rs6000/darwin-asm.h: Likewise.
753 * config/rs6000/darwin-fallback.c: Likewise.
754 * config/rs6000/darwin-fpsave.asm: Likewise.
755 * config/rs6000/darwin-ldouble.c: Likewise.
756 * config/rs6000/darwin-tramp.asm: Likewise.
757 * config/rs6000/darwin-unwind.h: Likewise.
758 * config/rs6000/darwin-vecsave.asm: Likewise.
759 * config/rs6000/darwin-world.asm: Likewise.
760 * config/rs6000/e500crtres32gpr.asm: Likewise.
761 * config/rs6000/e500crtres64gpr.asm: Likewise.
762 * config/rs6000/e500crtres64gprctr.asm: Likewise.
763 * config/rs6000/e500crtrest32gpr.asm: Likewise.
764 * config/rs6000/e500crtrest64gpr.asm: Likewise.
765 * config/rs6000/e500crtresx32gpr.asm: Likewise.
766 * config/rs6000/e500crtresx64gpr.asm: Likewise.
767 * config/rs6000/e500crtsav32gpr.asm: Likewise.
768 * config/rs6000/e500crtsav64gpr.asm: Likewise.
769 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
770 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
771 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
772 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
773 * config/rs6000/eabi-ci.asm: Likewise.
774 * config/rs6000/eabi-cn.asm: Likewise.
775 * config/rs6000/eabi.asm: Likewise.
776 * config/rs6000/linux-unwind.h: Likewise.
777 * config/rs6000/linux64.h: Likewise.
778 * config/rs6000/paired.h: Likewise.
779 * config/rs6000/paired.md: Likewise.
780 * config/rs6000/ppc64-fp.c: Likewise.
781 * config/rs6000/ppu_intrinsics.h: Likewise.
782 * config/rs6000/rs6000.h: Likewise.
783 * config/rs6000/si2vmx.h: Likewise.
784 * config/rs6000/sol-ci.asm: Likewise.
785 * config/rs6000/sol-cn.asm: Likewise.
786 * config/rs6000/spe.h: Likewise.
787 * config/rs6000/spu2vmx.h: Likewise.
788 * config/rs6000/sysv4.h: Likewise.
789 * config/rs6000/tramp.asm: Likewise.
790 * config/rs6000/vec_types.h: Likewise.
791 * config/s390/linux-unwind.h: Likewise.
792 * config/s390/tpf-unwind.h: Likewise.
793 * config/score/crti.asm: Likewise.
794 * config/score/crtn.asm: Likewise.
795 * config/sh/crt1.asm: Likewise.
796 * config/sh/crti.asm: Likewise.
797 * config/sh/crtn.asm: Likewise.
798 * config/sh/divtab-sh4-300.c: Likewise.
799 * config/sh/divtab-sh4.c: Likewise.
800 * config/sh/divtab.c: Likewise.
801 * config/sh/lib1funcs-4-300.asm: Likewise.
802 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
803 * config/sh/lib1funcs.asm: Likewise.
804 * config/sh/lib1funcs.h: Likewise.
805 * config/sh/linux-atomic.asm: Likewise.
806 * config/sh/linux-unwind.h: Likewise.
807 * config/sh/shmedia.h: Likewise.
808 * config/sh/sshmedia.h: Likewise.
809 * config/sh/ushmedia.h: Likewise.
810 * config/sparc/crtfastmath.c: Likewise.
811 * config/sparc/linux-unwind.h: Likewise.
812 * config/sparc/sol2-c1.asm: Likewise.
813 * config/sparc/sol2-ci.asm: Likewise.
814 * config/sparc/sol2-cn.asm: Likewise.
815 * config/spu/divmodti4.c: Likewise.
816 * config/spu/divv2df3.c: Likewise.
817 * config/spu/float_disf.c: Likewise.
818 * config/spu/float_unsdidf.c: Likewise.
819 * config/spu/float_unsdisf.c: Likewise.
820 * config/spu/float_unssidf.c: Likewise.
821 * config/spu/mfc_multi_tag_release.c: Likewise.
822 * config/spu/mfc_multi_tag_reserve.c: Likewise.
823 * config/spu/mfc_tag_release.c: Likewise.
824 * config/spu/mfc_tag_reserve.c: Likewise.
825 * config/spu/mfc_tag_table.c: Likewise.
826 * config/spu/multi3.c: Likewise.
827 * config/spu/spu_internals.h: Likewise.
828 * config/spu/spu_intrinsics.h: Likewise.
829 * config/spu/spu_mfcio.h: Likewise.
830 * config/spu/vec_types.h: Likewise.
831 * config/spu/vmx2spu.h: Likewise.
832 * config/stormy16/stormy16-lib2.c: Likewise.
833 * config/svr4.h: Likewise.
834 * config/sync.c: Likewise.
835 * config/v850/lib1funcs.asm: Likewise.
836 * config/vxlib-tls.c: Likewise.
837 * config/vxlib.c: Likewise.
838 * config/vxworks-dummy.h: Likewise.
839 * config/xtensa/crti.asm: Likewise.
840 * config/xtensa/crtn.asm: Likewise.
841 * config/xtensa/ieee754-df.S: Likewise.
842 * config/xtensa/ieee754-sf.S: Likewise.
843 * config/xtensa/lib1funcs.asm: Likewise.
844 * config/xtensa/lib2funcs.S: Likewise.
845 * config/xtensa/linux-unwind.h: Likewise.
846 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
847 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
848 * coretypes.h: Likewise.
849 * crtstuff.c: Likewise.
850 * defaults.h: Likewise.
851 * dwarf2.h: Likewise.
852 * emutls.c: Likewise.
853 * gbl-ctors.h: Likewise.
854 * gcov-io.h: Likewise.
855 * ginclude/float.h: Likewise.
856 * ginclude/iso646.h: Likewise.
857 * ginclude/stdarg.h: Likewise.
858 * ginclude/stdbool.h: Likewise.
859 * ginclude/stddef.h: Likewise.
860 * ginclude/stdfix.h: Likewise.
861 * ginclude/stdint-gcc.h: Likewise.
862 * ginclude/tgmath.h: Likewise.
863 * gthr-aix.h: Likewise.
864 * gthr-dce.h: Likewise.
865 * gthr-gnat.c: Likewise.
866 * gthr-gnat.h: Likewise.
867 * gthr-lynx.h: Likewise.
868 * gthr-mipssde.h: Likewise.
869 * gthr-nks.h: Likewise.
870 * gthr-posix.c: Likewise.
871 * gthr-posix.h: Likewise.
872 * gthr-posix95.h: Likewise.
873 * gthr-rtems.h: Likewise.
874 * gthr-single.h: Likewise.
875 * gthr-solaris.h: Likewise.
876 * gthr-tpf.h: Likewise.
877 * gthr-vxworks.h: Likewise.
878 * gthr-win32.h: Likewise.
880 * libgcc2.c: Likewise.
881 * libgcc2.h: Likewise.
882 * libgcov.c: Likewise.
883 * tsystem.h: Likewise.
884 * typeclass.h: Likewise.
885 * unwind-c.c: Likewise.
886 * unwind-compat.h: Likewise.
887 * unwind-dw2-fde-compat.c: Likewise.
888 * unwind-dw2-fde-darwin.c: Likewise.
889 * unwind-dw2-fde-glibc.c: Likewise.
890 * unwind-dw2-fde.c: Likewise.
891 * unwind-dw2-fde.h: Likewise.
892 * unwind-dw2.c: Likewise.
893 * unwind-dw2.h: Likewise.
894 * unwind-generic.h: Likewise.
895 * unwind-pe.h: Likewise.
896 * unwind-sjlj.c: Likewise.
897 * unwind.inc: Likewise.
898 * config/arm/neon-gen.ml: Change generated copyright header to
899 refer to version 3 of the GNU General Public License with
900 version 3.1 of the GCC Runtime Library Exception and to point
901 readers at the COPYING3 and COPYING3.RUNTIME files and the
902 FSF's license web page.
903 * config/arm/arm_neon.h: Regenerate.
905 2009-04-09 Jakub Jelinek <jakub@redhat.com>
907 * config/cris/cris.md: Change copyright header to refer to version
908 3 of the GNU General Public License.
909 * doc/install.texi2html: Change copyright header to refer to version
910 3 of the GNU General Public License and to point readers at the
911 COPYING3 file and the FSF's license web page.
912 * config/vax/linux.h: Likewise.
914 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
916 * config/i386/i386.md (cmpcc): New.
917 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
918 (sync_compare_and_swap_cc*): Delete.
920 * config/s390/s390.c (s390_compare_emitted): Remove.
921 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
922 s390_compare_emitted used to be handled. Assert that modes match.
923 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
924 refer to sync_compare_and_swap_ccsi.
925 * config/s390/s390.h (s390_compare_emitted): Remove.
926 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
927 instead of s390_compare_emitted.
928 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
929 instead of s390_compare_emitted.
930 * config/s390/s390.md (cmpcc): New.
931 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
932 CC_REGNUM, do not pretend it's set.
933 (sync_compare_and_swap_cc*): Delete.
934 * config/s390/predicates.md (cc_reg_operand): New.
936 * expr.c (sync_compare_and_swap_cc): Delete.
937 * optabs.h (sync_compare_and_swap_cc): Delete.
938 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
939 is being used with can_compare_p.
940 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
942 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
943 look for a MODE_CC set instead. Use emit_store_flag.
944 (expand_compare_and_swap_loop): Likewise, with some additional
945 complication to avoid a force_reg when useless. Use
946 emit_cmp_and_jump_insns.
947 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
948 * doc/md.texi (sync_compare_and_swap_cc): Merge with
949 sync_compare_and_swap documentation.
951 2009-04-09 Jan Hubicka <jh@suse.cz>
953 * except.c (find_prev_try): Break out from ....
954 (duplicate_eh_regions): ... here; properly update prev_try pointers
955 when duplication part of tree.
956 (dump_eh_tree): Improve dumping.
957 (verify_eh_region): New.
958 (verify_eh_tree): Use it.
960 2009-04-06 Richard Guenther <rguenther@suse.de>
962 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
963 &ARRAY addresses by adjusting their types and prepending
965 * tree-cfg.c (verify_gimple_assign_single): Verify that
966 addresses are correct.
968 2009-04-09 Richard Guenther <rguenther@suse.de>
970 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
971 indices into an array reference if possible.
972 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
973 Fold POINTER_PLUS_EXPR statements with invariant address.
975 2009-04-09 Alan Modra <amodra@bigpond.net.au>
978 * config.gcc (powerpc64-*-linux*): Always build biarch.
980 2009-04-09 Joseph Myers <joseph@codesourcery.com>
983 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
984 it and pedwarn if this results in an INTEGER_CST.
986 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
988 * doc/install.texi: Update minimum GMP version. Remove obsolete
989 text in MPFR section.
991 2009-04-08 Jakub Jelinek <jakub@redhat.com>
993 * dwarf2out.c (class_scope_p): New static inline.
994 (class_or_namespace_scope_p): Use it.
995 (gen_variable_die): Use DW_TAG_member tag for static data member
996 declarations instead of DW_TAG_variable.
999 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1002 2009-04-08 Richard Guenther <rguenther@suse.de>
1004 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1005 valueize random data.
1007 2009-04-08 David Edelsohn <edelsohn@gnu.org>
1009 * config.gcc (aix tm_file): Add aix-stdint.h.
1010 (aix tm clause use_gcc_stdint): Set to wrap.
1011 * config/rs6000/aix-stdint.h: New file.
1013 2009-04-08 Richard Guenther <rguenther@suse.de>
1016 * tree-dfa.c (add_referenced_var): Do not recurse into
1017 global initializers.
1018 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1020 (fold_const_aggregate_ref): Likewise.
1022 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1024 * recog.c (ordered_comparison_operator): New.
1025 * gensupport.c (std_preds): Add it.
1026 * doc/md.texi (Machine-Independent Predicates): Document it.
1028 2009-04-08 Jan Hubicka <jh@suse.cz>
1030 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1031 * function.h (rtl_eh): Remove exception_handler_label_map.
1032 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1033 remove_exception_handler_label, for_each_eh_label_1): Remove.
1034 (rtl_remove_unreachable_regions): Remove.
1035 (convert_from_eh_region_ranges): Do not remove unreachable regions.
1036 (find_exception_handler_labels): Don't build the hashtable.
1037 (maybe_remove_eh_handler): Remove.
1038 (for_each_eh_label): Rewrite to walk the tree.
1039 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1040 * except.h (maybe_remove_eh_handler): Remove.
1041 * passes.c (init_optimization_passes): Schedule second EH cleanup
1043 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1044 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1046 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1048 * genoutput.c (validate_optab_operands): New.
1049 (gen_insn, gen_expand): Call it.
1051 * genflags.c (gen_insn): Detect misused iterators.
1052 (main): Pass line_no to gen_insn, exit with status 1 on error.
1054 * genextract.c (line_no): Make global.
1055 (VEC_safe_set_locstr): Change assertion to error message.
1056 (main): Exit with status 1 on error.
1058 2009-04-08 Joseph Myers <joseph@codesourcery.com>
1062 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1063 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1064 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1065 * c-convert.c (convert): Do not call fold on results of conversion
1066 functions when the result is a C_MAYBE_CONST_EXPR.
1067 * c-parser.c (c_parser_postfix_expression): Do not fold condition
1068 of __builtin_choose_expr.
1069 * c-typeck.c (remove_c_maybe_const_expr): New.
1070 (build_unary_op, build_conditional_expr, build_compound_expr,
1071 build_binary_op, c_objc_common_truthvalue_conversion): Call
1072 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1075 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1077 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
1078 CODE to produce a new one. Add a prototype to use fold_convert_const
1080 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
1083 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1084 mix declarations and code.
1086 2009-04-08 Ben Elliston <bje@au.ibm.com>
1088 * gcc.c: Replace `CC' with `GCC' throughout.
1090 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
1092 * doc/invoke.texi: Document Atom support.
1094 2009-04-07 Jason Merrill <jason@redhat.com>
1097 * c-common.h, c-common.c: Add flag_pretty_templates.
1098 * c-opts.c (c_common_handle_option): Set it.
1099 * c.opt: Add -fno-pretty-templates.
1100 * doc/invoke.texi (C++ Dialect Options): Likewise.
1102 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
1104 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1105 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1106 (ia64_expand_builtin): Likewise.
1108 2009-04-07 Martin Jambor <mjambor@suse.cz>
1110 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1111 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1112 ADDR_EXPRS are include too.
1114 2009-04-07 Richard Guenther <rguenther@suse.de>
1116 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1117 decls are only used if passes as parameters or if they are
1118 local statics and the call is not to a builtin.
1119 (call_may_clobber_ref_p_1): Likewise.
1121 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1123 * expr.c (do_store_flag): Remove last argument. Simplify code
1124 to avoid duplication of tests already done by can_compare_p.
1125 (expand_expr_real_1): Adjust caller.
1127 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1129 * optabs.c (can_compare_p): Test the predicate of a
1130 cbranch and cstore pattern.
1132 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1134 * expr.c (convert_move): Use emit_store_flag instead of
1137 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1139 * config/i386/i386.c (ix86_compare_emitted): Remove.
1140 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1141 ix86_compare_op0 like ix86_compare_emitted used to be handled.
1142 * config/i386/i386.h (ix86_compare_emitted): Remove.
1143 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1144 instead of ix86_compare_emitted.
1145 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1147 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
1149 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1150 Add t-sysroot-suffix to tmake_file.
1151 * config/print-sysroot-suffix.sh: New file.
1152 * config/t-sysroot-suffix: New file.
1154 2009-04-07 Ben Elliston <bje@au.ibm.com>
1156 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1157 as the latter produces a warning when the target does not support
1160 2009-04-07 Ben Elliston <bje@au.ibm.com>
1162 * dfp.c: Replace type punning assignments with memcpy throughout.
1163 * Makefile.in (dfp.o-warn): Remove.
1165 2009-04-07 Alan Modra <amodra@bigpond.net.au>
1168 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1169 Include soft-fp/t-softfp after rs6000/t-linux64.
1171 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
1173 * stor-layout.c (set_sizetype): Use the full precision of their
1174 machine mode for bitsize types.
1176 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
1178 * config/i386/i386.md: Revert 2 accidental checkins.
1180 2009-04-06 Joey Ye <joey.ye@intel.com>
1181 Xuepeng Guo <xuepeng.guo@intel.com>
1182 H.J. Lu <hongjiu.lu@intel.com>
1184 Atom pipeline model, tuning and insn selection.
1185 * config.gcc (atom): Add atom config options and target.
1187 * config/i386/atom.md: New.
1189 * config/i386/i386.c (atom_cost): New cost.
1190 (m_ATOM): New macro flag.
1191 (initial_ix86_tune_features): Set m_ATOM.
1192 (x86_accumulate_outgoing_args): Likewise.
1193 (x86_arch_always_fancy_math_387): Likewise.
1194 (processor_target): Add Atom cost.
1195 (cpu_names): Add Atom cpu name.
1196 (override_options): Set Atom ISA.
1197 (ix86_issue_rate): New case PROCESSOR_ATOM.
1198 (ix86_adjust_cost): Likewise.
1200 * config/i386/i386.h (TARGET_ATOM): New target macro.
1201 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1202 (TARGET_OPT_AGU): New target option.
1203 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1204 (processor_type): Add PROCESSOR_ATOM.
1206 * config/i386/i386.md (cpu): Add new value "atom".
1207 (use_carry, movu): New attr.
1208 (atom.md): Include atom.md.
1209 (adddi3_carry_rex64): Set attr "use_carry".
1210 (addqi3_carry): Likewise.
1211 (addhi3_carry): Likewise.
1212 (addsi3_carry): Likewise.
1213 (*addsi3_carry_zext): Likewise.
1214 (subdi3_carry_rex64): Likewise.
1215 (subqi3_carry): Likewise.
1216 (subhi3_carry): Likewise.
1217 (subsi3_carry): Likewise.
1218 (x86_movdicc_0_m1_rex64): Likewise.
1219 (*x86_movdicc_0_m1_se): Likewise.
1220 (x86_movsicc_0_m1): Likewise.
1221 (*x86_movsicc_0_m1_se): Likewise.
1222 (*adddi_1_rex64): Emit add insn as much as possible.
1223 (*addsi_1): Likewise.
1224 (return_internal): Set atom_unit.
1225 (return_internal_long): Likewise.
1226 (return_pop_internal): Likewise.
1227 (*rcpsf2_sse): Set atom_sse_attr attr.
1228 (*qrt<mode>2_sse): Likewise.
1229 (*prefetch_sse): Likewise.
1231 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1233 (ix86_target_macros_internal): Likewise.
1235 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1236 (*prefetch_sse_rex): Likewise.
1237 (sse_rcpv4sf2): Likewise.
1238 (sse_vmrcpv4sf2): Likewise.
1239 (sse_sqrtv4sf2): Likewise.
1240 (<sse>_vmsqrt<mode>2): Likewise.
1241 (sse_ldmxcsr): Likewise.
1242 (sse_stmxcsr): Likewise.
1243 (*sse_sfence): Likewise.
1244 (sse2_clflush): Likewise.
1245 (*sse2_mfence): Likewise.
1246 (*sse2_lfence): Likewise.
1247 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1248 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1249 (avx_movdqu<avxmodesuffix>): Likewise.
1250 (avx_lddqu<avxmodesuffix>): Likewise.
1251 (sse2_movntv2di): Change attr "type" to "ssemov".
1252 (sse2_movntsi): Likewise.
1253 (rsqrtv8sf2): Change attr "type" to "sseadd".
1254 (sse3_addsubv2df3): Set attr "atom_unit".
1255 (sse3_h<plusminus_insn>v4sf3): Likewise.
1256 (*sse2_pmaddwd): Likewise.
1257 (*vec_extractv2di_1_rex64): Likewise.
1258 (*vec_extractv2di_1_avx): Likewise.
1259 (sse2_psadbw): Likewise.
1260 (ssse3_phaddwv8hi3): Likewise.
1261 (ssse3_phaddwv4hi3): Likewise.
1262 (ssse3_phadddv4si3): Likewise.
1263 (ssse3_phadddv2si3): Likewise.
1264 (ssse3_phaddswv8hi3): Likewise.
1265 (ssse3_phaddswv4hi3): Likewise.
1266 (ssse3_phsubwv8hi3): Likewise.
1267 (ssse3_phsubwv4hi3): Likewise.
1268 (ssse3_phsubdv4si3): Likewise.
1269 (ssse3_phsubdv2si3): Likewise.
1270 (ssse3_phsubswv8hi3): Likewise.
1271 (ssse3_phsubswv4hi3): Likewise.
1272 (ssse3_pmaddubsw128): Likewise.
1273 (sse3_pmaddubsw: Likewise.
1274 (ssse3_palignrti): Likewise.
1275 (ssse3_palignrdi): Likewise.
1277 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1279 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1281 2009-04-06 Richard Guenther <rguenther@suse.de>
1283 PR tree-optimization/28868
1284 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1285 of which PHI results we inserted.
1286 (insert_into_preds_of_block): Record inserted PHIs.
1287 (eliminate): Eliminate redundant PHI nodes.
1288 (init_pre): Init inserted_phi_names.
1290 2009-04-06 Richard Guenther <rguenther@suse.de>
1292 PR tree-optimization/39643
1293 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1294 IMAGPART_EXPRs of complex constants.
1295 (execute_fold_all_builtins): If we folded a call queue
1296 TODO_update_address_taken.
1298 2009-04-06 Jan Hubicka <jh@suse.cz>
1301 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1304 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1306 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1308 (ic_invalidate_array): Likewise.
1310 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1312 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1313 alignment for library calls.
1315 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1317 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1318 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1319 * config/i386/mingw-stdint.h: New file.
1321 2009-04-05 Richard Guenther <rguenther@suse.de>
1323 PR tree-optimization/39648
1324 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1325 our &A vs. &A[0] IL deficiencies.
1327 2009-04-04 Jan Hubicka <jh@suse.cz>
1329 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1330 removed toplevel regions.
1331 (sjlj_mark_call_sites): Likewise.
1333 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1335 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1336 (cygwin tm clause use_gcc_stdint): Set to wrap.
1337 * config/i386/cygwin-stdint.h: New file.
1339 2009-04-04 Richard Guenther <rguenther@suse.de>
1341 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1342 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1343 single-argument PHIs if we are in loop-closed SSA form.
1344 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1345 for the pre-condition.
1346 (slpeel_tree_peel_loop_to_edge): Likewise.
1347 (vect_build_loop_niters): Take an optional sequence to append stmts.
1348 (vect_generate_tmps_on_preheader): Likewise.
1349 (vect_do_peeling_for_loop_bound): Take extra guards for the
1351 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1352 the cost model check.
1353 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1354 guards if we are going to peel. Do not apply versioning in that case.
1355 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1356 (vect_do_peeling_for_loop_bound): Likewise.
1357 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1358 loop bound only record extra pre-conditions, do not apply loop
1361 2009-04-04 Richard Guenther <rguenther@suse.de>
1363 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1366 2009-04-04 Jan Hubicka <jh@suse.cz>
1368 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1369 last_basic_block for size of bb->index indexed array.
1370 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1371 compute_out, link_btr_uses, build_btr_def_use_webs,
1372 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1374 2009-04-04 Jan Hubicka <jh@suse.cz>
1376 * except.c (remove_eh_handler_and_replace): Break out from ...
1377 (remove_eh_handler): ... here.
1378 (bring_to_root): New function.
1379 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1380 handled ones, bring others to root of tree.
1382 2009-04-04 Jan Hubicka <jh@suse.cz>
1384 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1385 (all_phis_safe_to_merge): New function.
1386 (update_info): New structure.
1387 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1388 (cleanup_empty_eh): Update SSA if possible.
1390 2009-04-04 Richard Guenther <rguenther@suse.de>
1392 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1393 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1394 (append_vuse): Likewise.
1396 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1398 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1399 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1400 instead of REG_UNSAVED for DW_CFA_undefined.
1401 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1402 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1405 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1408 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1409 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1410 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1412 2009-04-04 Richard Guenther <rguenther@suse.de>
1414 PR tree-optimization/8781
1415 PR tree-optimization/37892
1416 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1417 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1418 (valueize_refs): Call it for *& valueizations.
1419 (shared_reference_ops_from_ref): Rename to ...
1420 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1421 (shared_reference_ops_from_call): Rename to ...
1422 (valueize_shared_reference_ops_from_call): ... this and valueize.
1423 (vn_reference_lookup): Update.
1424 (visit_reference_op_call): Likewise.
1425 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1426 (eliminate): Value-replace the call address in call statements.
1428 2009-04-04 Richard Guenther <rguenther@suse.de>
1430 PR tree-optimization/39636
1431 * tree-ssa-forwprop.c
1432 (forward_propagate_addr_into_variable_array_index): Check for
1433 GIMPLE_ASSIGN before accessing the rhs code.
1435 2009-04-03 Jason Merrill <jason@redhat.com>
1437 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1439 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1441 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1442 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1443 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1444 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1445 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1446 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1447 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1448 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1449 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1450 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1451 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1452 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1453 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1454 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1455 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1456 Use fr_reg_or_fp01_operand instead of fr_register_operand
1458 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1459 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1460 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1462 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1464 PR rtl-optimization/39607
1465 PR rtl-optimization/39631
1469 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1470 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1471 instead of DF_LR_OUT.
1472 * ira-lives.c (process_bb_node_lives): Ditto.
1473 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1474 instead of DF_LR_{OUT,IN}.
1475 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1476 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1478 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1480 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1481 (execute_lower_omp): Always run but take the short way out if -fopenmp
1483 (gate_lower_omp): Remove, forcing the pass manager to always run the
1484 pass and always set PROP_gimple_lomp.
1485 (pass_lower_omp): Remove gate function.
1486 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1487 PROP_trees. Instead, require it.
1488 * ipa-cp.c (pass_ipa_cp): Likewise.
1489 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1490 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1491 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1492 and PROP_gimple_leh.
1494 2009-04-03 Richard Guenther <rguenther@suse.de>
1497 PR tree-optimization/23940
1498 PR tree-optimization/33237
1501 PR tree-optimization/36201
1502 PR tree-optimization/36230
1503 PR tree-optimization/38049
1504 PR tree-optimization/38207
1505 PR tree-optimization/38230
1506 PR tree-optimization/38301
1507 PR tree-optimization/38585
1509 PR tree-optimization/38985
1510 PR tree-optimization/39299
1511 * tree-ssa-structalias.h: Remove.
1512 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1513 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1514 (struct vuse_element_d): Remove.
1515 (struct vuse_vec_d): Likewise.
1516 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1517 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1518 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1519 VUSE_ELEMENT_VAR): Likewise.
1520 (struct voptype_d): Likewise.
1521 (NUM_VOP_FREE_BUCKETS): Likewise.
1522 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1523 (struct stmt_operands_d): Remove.
1524 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1525 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1526 VDEF_NUM, VDEF_VECT): Likewise.
1527 (copy_virtual_operands): Remove.
1528 (operand_build_cmp): Likewise.
1529 (create_ssa_artificial_load_stmt): Likewise.
1530 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1531 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1532 vuse_index and mayuse_index members. Pack and move done and iter_type
1533 members to the front.
1534 (SSA_OP_VMAYUSE): Remove.
1535 (SSA_OP_VIRTUAL_USES): Adjust.
1536 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1537 (unlink_stmt_vdef): Declare.
1538 (add_to_addressable_set): Remove.
1539 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1540 (vrp_visit_stmt): Likewise.
1541 * doc/tree-ssa.texi (Alias analysis): Update.
1542 * doc/invoke.texi (max-aliased-vops): Remove docs.
1543 (avg-aliased-vops): Likewise.
1544 * tree-into-ssa.c (syms_to_rename): Remove.
1545 (need_to_update_vops_p): Likewise.
1546 (need_to_initialize_update_ssa_p): Rename to ...
1547 (update_ssa_initialized_fn): ... this. Track function we are
1549 (symbol_marked_for_renaming): Simplify.
1550 (add_new_name_mapping): Do not set need_to_update_vops_p.
1551 (dump_currdefs): Use SYMS_TO_RENAME.
1552 (rewrite_update_stmt): Always walk all uses/defs.
1553 (dump_update_ssa): Adjust.
1554 (init_update_ssa): Take function argument. Track what we are
1556 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1557 (create_new_def_for): Initialize for cfun, assert we are initialized
1559 (mark_sym_for_renaming): Simplify.
1560 (mark_set_for_renaming): Do not initialize update-ssa.
1561 (need_ssa_update_p): Simplify. Take function argument.
1562 (name_mappings_registered_p): Assert we ask for the correct function.
1563 (name_registered_for_update_p): Likewise.
1564 (ssa_names_to_replace): Likewise.
1565 (release_ssa_name_after_update_ssa): Likewise.
1566 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1567 (dump_decl_set): Do not print a newline.
1568 (debug_decl_set): Do it here.
1569 (dump_update_ssa): And here.
1570 * tree-ssa-loop-im.c (move_computations): Adjust.
1571 (movement_possibility): Likewise.
1572 (determine_max_movement): Likewise.
1573 (gather_mem_refs_stmt): Likewise.
1574 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1576 * tree-complex.c (update_all_vops): Remove.
1577 (expand_complex_move): Adjust.
1578 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1579 Simplify test for memory referencing statement. Exclude
1580 non-invariant ADDR_EXPRs.
1581 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1582 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1583 (rdg_flag_uses): Likewise.
1584 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1586 (tree_optimize_tail_calls_1): Also split the
1587 edge from the entry block if we have degenerate PHI nodes in
1588 the first basic block.
1589 * tree.c (init_ttree): Remove memory-tag related code.
1590 (tree_code_size): Likewise.
1591 (tree_node_structure): Likewise.
1592 (build7_stat): Re-write to be build6_stat.
1593 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1594 (SSA_VAR_P): Adjust.
1595 (struct tree_memory_tag): Remove.
1596 (struct tree_memory_partition_tag): Likewise.
1597 (union tree_node): Adjust.
1598 (build7): Re-write to be build6.
1599 * tree-pass.h (pass_reset_cc_flags): Remove.
1600 (TODO_update_address_taken): New flag.
1601 (pass_simple_dse): Remove.
1602 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1603 * params.h (MAX_ALIASED_VOPS): Remove.
1604 (AVG_ALIASED_VOPS): Likewise.
1605 * omp-low.c (expand_omp_taskreg): Update SSA form.
1606 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1607 aliases the lhs in a copy stmt.
1608 * tree-ssa-dse.c (struct address_walk_data): Remove.
1609 (memory_ssa_name_same): Likewise.
1610 (memory_address_same): Likewise.
1611 (get_kill_of_stmt_lhs): Likewise.
1612 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1613 unused stores. Look through PHI nodes into post-dominated regions.
1614 (dse_optimize_stmt): Simplify. Properly remove stores.
1615 (tree_ssa_dse): Compute dominators.
1616 (execute_simple_dse): Remove.
1617 (pass_simple_dse): Likewise.
1618 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1619 gimple_loaded_syms and gimple_stored_syms computation.
1620 * toplev.c (dump_memory_report): Dump alias and pta stats.
1621 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1622 (vn_reference_eq): Likewise.
1623 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1624 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1625 valueize_vuses): Remove.
1626 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1627 (get_def_ref_stmt_vuse): ... this.
1628 (vn_reference_lookup_2): New function.
1629 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1630 walking equivalent vuses. Simplify.
1631 (vn_reference_lookup): Likewise.
1632 (vn_reference_insert): Likewise.
1633 (vn_reference_insert_pieces): Likewise.
1634 (visit_reference_op_call): Simplify.
1635 (visit_reference_op_load): Likewise.
1636 (visit_reference_op_store): Likewise.
1637 (init_scc_vn): Remove shared_lookup_vuses initialization.
1638 (free_scc_vn): Remove shared_lookup_vuses freeing.
1639 (sort_vuses, sort_vuses_heap): Remove.
1640 (get_ref_from_reference_ops): Export.
1641 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1642 vector with single vuse pointer.
1643 (vn_reference_lookup_pieces, vn_reference_lookup,
1644 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1645 (shared_vuses_from_stmt): Remove.
1646 (get_ref_from_reference_ops): Declare.
1647 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1648 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1649 memory-tag related code.
1650 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1651 (likely_value): Add comment, skip static-chain of call statements.
1652 (surely_varying_stmt_p): Adjust.
1653 (gimplify_and_update_call_from_tree): Likewise.
1654 (execute_fold_all_builtins): Do not rebuild alias info.
1655 (gimplify_and_update_call_from_tree): Properly update VOPs.
1656 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1657 (copy_ref_info): Remove memory-tag related code.
1658 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1659 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1660 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1662 * tree-ssa-dom.c (gimple_p): Remove typedef.
1663 (eliminate_redundant_computations): Adjust.
1664 (record_equivalences_from_stmt): Likewise.
1665 (avail_expr_hash): Likewise.
1666 (avail_expr_eq): Likewise.
1667 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1668 (stmt_makes_single_load): Likewise.
1669 (stmt_makes_single_store): Likewise.
1670 * tree-ssa-alias.c: Rewrite completely.
1671 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1672 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1673 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1674 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1675 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1676 Remove public functions.
1677 (pass_reset_cc_flags): Remove.
1678 (pass_build_alias): Move ...
1679 * tree-ssa-structalias.c (pass_build_alias): ... here.
1680 * tree-ssa-alias.c (may_be_aliased): Move ...
1681 * tree-flow-inline.h (may_be_aliased): ... here.
1682 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1683 count_uses_and_derefs): Move ...
1684 * gimple.c: ... here.
1685 * gimple.h (count_uses_and_derefs): Declare.
1686 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1687 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1688 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1689 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1690 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1691 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1692 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1694 * tree-dfa.c (refs_may_alias_p): Move ...
1695 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1696 * tree-ssa-alias.h: New file.
1697 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1698 (statement_sink_location): Likewise.
1699 * opts.c (decode_options): Do not adjust max-aliased-vops or
1700 avg-aliased-vops values.
1701 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1702 (TV_CALL_CLOBBER): Likewise.
1703 (TV_FLOW_SENSITIVE): Likewise.
1704 (TV_FLOW_INSENSITIVE): Likewise.
1705 (TV_MEMORY_PARTITIONING): Likewise.
1706 (TV_ALIAS_STMT_WALK): New timevar.
1707 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1708 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1709 (get_address_description): Remove memory-tag related code.
1710 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1711 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1712 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1713 and immediate uses in statements. Document.
1714 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1715 (dump_symbols): Remove.
1716 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1717 * alias.c (get_deref_alias_set): New function split out from ...
1718 (get_alias_set): ... here.
1719 * alias.h (get_deref_alias_set): Declare.
1720 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1721 type parameter. Remove restrict pointer handling. Create a
1722 ref-all pointer in case type-based alias sets do not conflict.
1723 (vect_analyze_data_refs): Remove SMT related code.
1724 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1725 (vectorizable_load): Likewise.
1726 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1727 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1728 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1729 Ignore vops and SMTs.
1730 (dr_analyze_alias): Likewise..
1731 (free_data_ref): Likewise.
1732 (create_data_ref): Likewise.
1733 (analyze_all_data_dependences): Likewise.
1734 (get_references_in_stmt): Adjust.
1735 * tree-flow-inline.h (gimple_aliases_computed_p,
1736 gimple_addressable_vars, gimple_call_clobbered_vars,
1737 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1738 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1739 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1740 gimple_mem_ref_stats): Remove.
1741 (gimple_vop): New function.
1742 (op_iter_next_use): Remove vuses and mayuses cases.
1743 (op_iter_next_def): Remove vdefs case.
1744 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1745 (clear_and_done_ssa_iter): Do not set removed fields.
1746 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1747 Assert we are not iterating over vuses or vdefs if not also
1748 iterating over uses or defs.
1749 (op_iter_init_use): Likewise.
1750 (op_iter_init_def): Likewise.
1751 (op_iter_next_vdef): Remove.
1752 (op_iter_next_mustdef): Likewise.
1753 (op_iter_init_vdef): Likewise.
1754 (compare_ssa_operands_equal): Likewise.
1755 (link_use_stmts_after): Handle vuse operand.
1756 (is_call_used): Use is_call_clobbered.
1757 (is_call_clobbered): Global variables are always call clobbered,
1758 query the call-clobbers bitmap.
1759 (mark_call_clobbered): Ignore global variables.
1760 (clear_call_clobbered): Likewise.
1761 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1762 virtual operands sanity check.
1763 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1765 (TARGET_MEM_REF): Remove TMR_TAG operand.
1766 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1767 Remove call-clobber related code.
1768 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1769 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1770 partitions or escape reason.
1771 (get_single_def_stmt, get_single_def_stmt_from_phi,
1772 get_single_def_stmt_with_phi): Remove.
1773 (dump_referenced_vars): Tidy.
1774 (get_ref_base_and_extent): Allow bare decls.
1775 (collect_dfa_stats): Adjust.
1776 * graphite.c (rename_variables_in_stmt): Adjust.
1777 (graphite_copy_stmts_from_block): Likewise.
1778 (translate_clast): Likewise.
1779 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1781 (translate_vuse_through_block): Use the oracle.
1782 (phi_translate_1): Adjust.
1783 (value_dies_in_block_x): Use the oracle. Cache the outcome
1785 (valid_in_sets): Check if the VUSE for
1786 a REFERENCE is available.
1787 (eliminate): Do not remove stmts during elimination,
1788 instead queue and remove them afterwards.
1789 (do_pre): Do not rebuild alias info.
1790 (pass_pre): Run TODO_rebuild_alias before PRE.
1791 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1792 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1793 (mark_all_v_defs_stmt): Remove.
1794 (mark_all_v_defs_seq): Adjust.
1795 (sra_replace): Likewise.
1796 (scalarize_use): Likewise.
1797 (scalarize_copy): Likewise.
1798 (scalarize_init): Likewise.
1799 (scalarize_ldst): Likewise.
1800 (todoflags): Remove.
1801 (tree_sra): Do not rebuild alias info.
1802 (tree_sra_early): Adjust.
1803 (pass_sra): Run TODO_update_address_taken before SRA.
1804 * tree-predcom.c (set_alias_info): Remove.
1805 (prepare_initializers_chain): Do not call it.
1806 (mark_virtual_ops_for_renaming): Adjust.
1807 (mark_virtual_ops_for_renaming_list): Remove.
1808 (initialize_root_vars): Adjust.
1809 (initialize_root_vars_lm): Likewise.
1810 (prepare_initializers_chain): Likewise.
1811 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1812 (may_propagate_copy_into_stmt): Likewise.
1813 (merge_alias_info): Do nothing for now.
1814 (propagate_tree_value_into_stmt): Adjust.
1815 (stmt_may_generate_copy): Likewise.
1816 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1817 not mark symbols for renaming.
1818 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1819 with the same statement, make sure to update the new pointed-to one.
1820 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1821 call statements, do not mark symbols for renaming.
1822 (mark_operand_necessary): Dump something.
1823 (ref_may_be_aliased): New function.
1824 (mark_aliased_reaching_defs_necessary_1): New helper function.
1825 (mark_aliased_reaching_defs_necessary): Likewise.
1826 (mark_all_reaching_defs_necessary_1): Likewise.
1827 (mark_all_reaching_defs_necessary): Likewise.
1828 (propagate_necessity): Do not process virtual PHIs. For
1829 non-aliased loads mark all reaching definitions as necessary.
1830 For aliased loads and stores mark the immediate dominating
1831 aliased clobbers as necessary.
1832 (visited): New global static.
1833 (perform_tree_ssa_dce): Free visited bitmap after propagating
1835 (remove_dead_phis): Perform simple dead virtual PHI removal.
1836 (remove_dead_stmt): Properly unlink virtual operands when
1838 (eliminate_unnecessary_stmts): Schedule PHI removal after
1840 * tree-ssa-ter.c (is_replaceable_p): Adjust.
1841 (process_replaceable): Likewise.
1842 (find_replaceable_in_bb): Likewise.
1843 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1844 based on the single gimple vop.
1845 (verify_flow_insensitive_alias_info): Remove.
1846 (verify_flow_sensitive_alias_info): Likewise.
1847 (verify_call_clobbering): Likewise.
1848 (verify_memory_partitions): Likewise.
1849 (verify_alias_info): Likewise.
1850 (verify_ssa): Adjust..
1851 (execute_update_addresses_taken): Export. Update SSA
1852 manually. Optimize only when optimizing. Use a local bitmap.
1853 (pass_update_address_taken): Remove TODO_update_ssa, add
1855 (pass_update_address_taken): Just use TODO_update_address_taken.
1856 (init_tree_ssa): Do not initialize addressable_vars.
1857 (verify_ssa): Verify new VUSE / VDEF properties.
1858 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1859 Do not call verify_alias_info.
1860 (delete_tree_ssa): Clear the VUSE, VDEF operands.
1861 Do not free the loaded and stored syms bitmaps. Reset the escaped
1862 and callused solutions. Do not free addressable_vars.
1863 Remove memory-tag related code.
1864 (warn_uninitialized_var): Aliases are always available.
1865 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1866 * lambda-code.c (can_put_in_inner_loop): Adjust.
1867 (can_put_after_inner_loop): Likewise.
1868 (perfect_nestify): Likewise.
1869 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1870 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1871 (vectorizable_conversion): Do not mark symbols for renaming.
1872 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1873 (expand_call_inline): Unlink the calls virtual operands before
1875 (tree_function_versioning): Do not call update_ssa if we are not
1876 updating clones. Simplify.
1877 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1878 (propagate_with_phi): Likewise..
1879 * tree-outof-ssa.c (create_temp): Remove memory tag and call
1880 clobber code. Assert we are not aliased or global.
1881 * tree-flow.h: Include tree-ssa-alias.h
1882 (enum escape_type): Remove.
1883 (struct mem_sym_stats_d): Likewise.
1884 (struct mem_ref_stats_d): Likewise.
1885 (struct gimple_df): Add vop member. Remove global_var,
1886 call_clobbered_vars, call_used_vars, addressable_vars,
1887 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
1888 escaped and callused members.
1889 (struct ptr_info_def): Remove all members, add points-to solution
1891 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1892 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1893 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1894 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1895 (tree-ssa-alias.o): Likewise.
1896 (toplev.o): Add tree-ssa-alias.h
1897 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1898 * gimple.c (gimple_set_bb): Fix off-by-one error.
1899 (is_gimple_reg): Do not handle memory tags.
1900 (gimple_copy): Also copy virtual operands.
1901 Delay updating the statement. Do not reset loaded and stored syms.
1902 (gimple_set_stored_syms): Remove.
1903 (gimple_set_loaded_syms): Likewise.
1904 (gimple_call_copy_skip_args): Copy the virtual operands
1905 and mark the new statement modified.
1906 * tree-ssa-structalias.c (may_alias_p): Remove.
1907 (set_uids_in_ptset): Take the alias set to prune with as
1908 parameter. Fold in the alias test of may_alias_p.
1909 (compute_points_to_sets): Compute whether a ptr is dereferenced
1911 (process_constraint): Deal with &ANYTHING on the lhs, reject all
1912 other ADDRESSOF constraints on the lhs.
1913 (get_constraint_for_component_ref): Assert that we don't get
1914 ADDRESSOF constraints from the base of the reference.
1915 Properly generate UNKNOWN_OFFSET for DEREF if needed.
1916 (struct variable_info): Remove collapsed_to member.
1917 (get_varinfo_fc): Remove.
1918 (new_var_info): Do not set collapsed_to.
1919 (dump_constraint): Do not follow cycles.
1920 (dump_constraint_graph): Likewise.
1921 (build_pred_graph): Likewise.
1922 (build_succ_graph): Likewise.
1923 (rewrite_constraints): Likewise.
1924 (do_simple_structure_copy): Remove.
1925 (do_rhs_deref_structure_copy): Remove.
1926 (do_lhs_deref_structure_copy): Remove.
1927 (collapse_rest_of_var): Remove.
1928 (do_structure_copy): Re-implement.
1929 (pta_stats): New global variable.
1930 (dump_pta_stats): New function.
1931 (struct constraint_expr): Make offset signed.
1932 (UNKNOWN_OFFSET): Define special value.
1933 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1934 (solution_set_expand): New helper function split out from ...
1935 (do_sd_constraint): ... here.
1936 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
1937 (do_ds_constraint): Likewise.
1938 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
1939 and CALLUSED = *CALLUSED.
1940 (set_union_with_increment): Make inc argument signed.
1941 (type_safe): Remove.
1942 (get_constraint_for_ptr_offset): Handle unknown and negative
1944 (first_vi_for_offset): Handle offsets before start. Bail
1945 out early for offsets beyond the variable extent.
1946 (first_or_preceding_vi_for_offset): New function.
1947 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1948 Together with ESCAPED = *ESCAPED this properly computes reachability.
1949 (find_what_var_points_to): New function.
1950 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1951 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1952 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1953 pt_solutions_intersect): New functions.
1954 (compute_call_used_vars): Remove.
1955 (compute_may_aliases): New main entry into PTA computation.
1956 * gimple.h (gimple_p): New typedef.
1957 (struct gimple_statement_base): Remove references_memory_p.
1958 (struct gimple_statement_with_memory_ops_base): Remove
1959 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
1961 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1962 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1963 gimple_set_references_memory): Remove.
1964 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1965 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1967 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1968 (verify_expr): Allow RESULT_DECL.
1969 (gimple_duplicate_bb): Do not copy virtual operands.
1970 (gimple_duplicate_sese_region): Adjust.
1971 (gimple_duplicate_sese_tail): Likewise.
1972 (mark_virtual_ops_in_region): Remove.
1973 (move_sese_region_to_fn): Do not call it.
1974 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1975 and pass_simple_dse.
1976 (execute_function_todo): Handle TODO_update_address_taken,
1977 call execute_update_addresses_taken for TODO_rebuild_alias.
1978 (execute_todo): Adjust.
1979 (execute_one_pass): Init dump files early.
1980 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1982 (create_general_new_stmt): Clear vops.
1983 * tree-ssa-reassoc.c (get_rank): Adjust.
1984 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1985 symbols for renaming.
1986 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1987 (PARAM_AVG_ALIASED_VOPS): Likewise.
1988 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1989 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1990 * tree-ssa-operands.c: Simplify for new virtual operand representation.
1991 (operand_build_cmp, copy_virtual_operands,
1992 create_ssa_artificial_load_stmt, add_to_addressable_set,
1993 gimple_add_to_addresses_taken): Remove public functions.
1994 (unlink_stmt_vdef): New function.
1996 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1998 * config.gcc (powerpc-*-linux*): Merge variants.
2000 2009-04-02 Chao-ying Fu <fu@mips.com>
2001 James Grosbach <james.grosbach@microchip.com>
2003 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2004 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2006 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2007 keep_interrupts_masked_p, use_debug_exception_return_p.
2008 (mips_attribute_table): Add interrupt, use_shadow_register_set,
2009 keep_interrupts_masked, use_debug_exception_return.
2010 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2011 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2013 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2014 (mips_print_operand): Process COP0 registers to print $0 .. $31
2015 correctly for GAS to process.
2016 (mips_interrupt_extra_call_saved_reg_p): New function.
2017 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2019 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2020 (mips_compute_frame_info): Add supports for interrupt context that
2021 includes doubleword accumulators and COP0 registers.
2022 (mips_for_each_saved_acc): New function.
2023 (mips_for_each_saved_gpr_and_fpr): Change the function name from
2024 mips_for_each_saved_reg.
2025 (mips_save_reg): Save accumulators.
2026 (mips_kernel_reg_p): A new for_each_rtx callback.
2027 (mips_expand_prologue): Support interrupt handlers.
2028 (mips_restore_reg): Restore accumulators.
2029 (mips_expand_epilogue): Support interrupt handlers.
2030 (mips_can_use_return_insn): Return false for interrupt handlers.
2031 (mips_epilogue_uses): New function.
2032 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2033 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2034 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2035 cop0_move): New instructions.
2036 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2037 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2039 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2041 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2042 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2043 interrupt handlers, we use K0 as the temporary register.
2044 (EPILOGUE_USES): Change to a function call.
2045 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2046 handlers, we use K0 as the temporary register.
2048 * doc/extend.texi (Function Attributes): Document interrupt,
2049 use_shadow_register_set, keep_interrupts_masked,
2050 use_debug_exception_return for MIPS attributes.
2052 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2054 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2055 Remove a number of t-files from tmake_file.
2056 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2057 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2058 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2059 target_prototype, not TARGET_PROTOTYPE.
2060 (LINK_OS_GNU_SPEC): Define.
2061 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2062 and darwin-ldoubdle.c.
2064 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
2067 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2068 (cpp_options): Ditto.
2069 (default_compilers): Ditto.
2070 (display_help): Ditto.
2071 (process_command): Ditto.
2073 (set_input): Use lbasename instead of duplicate code.
2074 (save_temps_prefix): New static for -save-temps=obj.
2075 (save_temps_length): Ditto.
2077 * doc/invoke.texi (-save-temps=obj): Document new variant to
2080 2009-04-02 Jeff Law <law@redhat.com>
2082 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2085 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2087 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2088 * configure: Regenerated.
2090 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2092 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2093 share the argument list.
2095 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2099 2009-02-12 Diego Novillo <dnovillo@google.com>
2101 * varpool.c (debug_varpool): New.
2102 * cgraph.h (debug_varpool): Declare.
2104 2009-04-02 Jan Hubicka <jh@suse.cz>
2106 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2109 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2111 * config/i386/i386.c (ix86_abi): Move initialization to ...
2112 (override_options): Here.
2114 2009-04-02 Christian Bruel <christian.bruel@st.com>
2116 * config/sh/sh.c (sh_dwarf_register_span): New function.
2117 (TARGET_DWARF_REGISTER_SPAN): Define.
2118 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2120 2009-04-02 Ira Rosen <irar@il.ibm.com>
2122 PR tree-optimization/39595
2123 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
2124 interleaved loads group is not greater than the SLP group size.
2126 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2128 * builtins.c (is_builtin_name): New.
2129 (called_as_built_in): Use is_builtin_name.
2130 * tree.h (is_builtin_name): New.
2131 * varasm.c (incorporeal_function_p): Use is_builtin_name
2133 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
2135 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2137 2009-04-02 Dodji Seketeli <dodji@redhat.com>
2140 * c-decl.c: (clone_underlying_type): Move this ...
2141 * c-common.c (set_underlying_type): ... here.
2142 Also, make sure the function properly sets TYPE_STUB_DECL() on
2143 the newly created typedef variant type.
2144 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2145 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2148 2009-04-02 Richard Guenther <rguenther@suse.de>
2150 PR tree-optimization/37221
2151 * tree-flow.h (degenerate_phi_result): Declare.
2152 * tree-ssa-dom.c (degenerate_phi_result): Export.
2153 * tree-scalar-evolution.c (analyze_initial_condition): If
2154 the initial condition is defined by a degenerate PHI node
2155 use the degenerate value.
2157 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
2159 PR rtl-optimization/39588
2160 * combine.c (merge_outer_ops): Do not set the constant when this
2162 (simplify_shift_const_1): Do not modify it either in this case.
2164 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
2166 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2167 tuning is deprecated if -mtune value is set to an Itanium1 variant.
2169 2009-04-01 Janis Johnson <janis187@us.ibm.com>
2172 * c-lex.c (interpret_float): Default (no suffix) is double.
2174 2009-04-1 Xinliang David Li <davidxl@google.com>
2176 * config/i386/i386.c (legitimate_constant_p): Recognize
2177 all one vector constant.
2179 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2181 * gcc/config/vax/vax.c: Add #includes to silence warnings.
2182 Change #include order to silence two warnings.
2184 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2186 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2187 (ASM_SPEC): Pass -k to the assembler for PIC code.
2189 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2191 * gcc/config.gcc: Add vax-*-linux* to the switch.
2192 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2193 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2195 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2197 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2198 Use predicate macros instead of GET_CODE() == foo.
2199 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2200 ashlsi3, rotrsi3, <unnamed>): Likewise.
2202 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2204 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2205 jbbccihi, jbbccisi): Remova trailing whitespace.
2206 * gcc/config/vax/constraints.md: Likewise.
2207 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2208 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2209 * gcc/config/vax/predicates.md: Likewise.
2210 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2211 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2212 * gcc/config/vax/vax.h: Likewise.
2213 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2215 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2217 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2218 (indirectable_address_p, adjacent_operands_p): Add spaces around
2220 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2222 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2224 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2225 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2226 index_term_p, reg_plus_index_p, legitimate_address_p,
2227 vax_mode_dependent_address_p): Update comments to match functions
2228 modified by the recent int->bool conversion.
2230 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2232 * gcc/config/vax/builtins.md: Update copyright message.
2233 * gcc/config/vax/constraints.md: Likewise.
2234 * gcc/config/vax/netbsd-elf.h: Likewise.
2235 * gcc/config/vax/predicates.md: Likewise.
2236 * gcc/config/vax/vax-protos.h: Likewise.
2237 * gcc/config/vax/vax.c: Likewise.
2238 * gcc/config/vax/vax.h: Likewise.
2239 * gcc/config/vax/vax.md: Likewise.
2240 * gcc/config/vax/vax.opt: Likewise.
2242 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2244 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2245 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2246 * gcc/config/vax/constraints.md (B, R): Likewise.
2247 * gcc/config/vax/predicates.md (external_memory_operand,
2248 nonimmediate_addsub_di_operand): Likewise.
2249 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2250 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2251 untyped_call): Likewise.
2253 2009-04-01 Matt Thomas <matt@3am-software.com>
2255 * config/vax/predicates.md: New file.
2256 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2257 external_const_operand, nonsymbolic_operand, external_memory_operand,
2258 indirect_memory_operand, indexed_memory_operand,
2259 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2260 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2262 * config/vax/constraints.md: New file.
2263 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2265 * config/vax/builtins.md: New file.
2266 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2267 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2269 * config/vax/vax.opt (mqmath): Add option.
2270 * config/vax/vax.md (isfx): Extend with DI.
2271 (VAXintQH, VAXintQHSD): Define.
2272 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2273 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2274 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2275 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2276 (movdi): Update constraints and use vax_output_int_move().
2277 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2278 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2279 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2280 nonlocal_goto): New.
2281 (mov<mode>): Extend accepted operand types.
2282 (subdi3_old): Rename from subdi3, change update constraints and use
2283 a new implementation.
2284 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2285 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2286 MOVE_RATIO, CLEAR_RATIO): Define.
2287 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2288 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2289 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2290 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2291 (split_quadword_operands): Make static and really allow variable
2293 (print_operand_address): Update for PIC generation.
2294 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2295 indexable_address_p, fixup_mathdi_operand,
2296 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2297 (vax_float_literal, legitimate_constant_p,
2298 indirectable_constant_address_p, index_term_p,
2299 reg_plus_index_p): Return bool instead of int.
2300 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2302 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2304 (vax_output_conditional_branch): Indent.
2305 (legitimate_constant_address_p, indirectable_constant_address_p,
2306 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2307 vax_mode_dependent_address_p): Return bool instead of int, update for
2309 * config/vax/vax-protos.h (legitimate_constant_address_p,
2310 legitimate_constant_p, legitimate_address_p,
2311 vax_mode_dependent_address_p): Change declaration to bool.
2312 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2313 vax_expand_addsub_di_operands, vax_output_int_subtract,
2314 vax_output_movmemsi): Declare.
2315 (split_quadword_operands, vax_float_literal): Delete declaration.
2316 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2317 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2318 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2319 ASM_OUTPUT_DWARF_PCREL): Define.
2320 (ASM_SPEC): Change definition to allow PIC generation.
2322 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2324 * doc/sourcebuild.texi: Update front-end requirements.
2326 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2329 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2330 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2331 (booldi3_internal3): Use boolean_or_operator instead of
2334 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2337 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2338 declarator whose size is not an integer constant expression but
2339 folds to an integer constant, then treat it as a constant
2342 2009-04-01 Richard Guenther <rguenther@suse.de>
2344 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2345 i * 4 + 2 to (i * 2 + 1) * 2.
2347 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2350 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2351 return if c_parser_asm_string_literal returned NULL.
2353 2009-04-01 Nick Clifton <nickc@redhat.com>
2355 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2357 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2358 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2359 other typedefs to avoid conflicts with libgcc2.c. Define labels
2360 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2362 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2363 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2366 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2368 * varasm.c (default_function_rodata_section): Declare DOT as
2371 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2372 Andrey Galkin <agalkin@hypercom.com>
2375 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2376 Make object_name unique for each process.
2378 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2381 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2382 addressable variables in the parallel that could go out of scope while
2383 running queued tasks.
2385 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2387 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2388 (CASE_VALUES_THRESHOLD): Redefine.
2389 * config/avr/avr.c (avr_override_options): Remove initialization of
2390 avr_case_values_threshold variable.
2391 (avr_case_values_threshold): Remove variable. Add new function.
2392 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2393 * config/avr/avr.opt (mno-tablejump): Remove option.
2394 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2396 2009-04-01 DJ Delorie <dj@redhat.com>
2398 * varasm.c (default_function_rodata_section): Don't assume
2399 anything about where the first '.' in the section name is.
2401 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2403 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2404 rs6000_emit_stack_tie.
2406 2009-03-31 Ian Lance Taylor <iant@google.com>
2408 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2409 gimple_code with GIMPLE_RESX, not RESX.
2411 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2413 * c-common.c (c_get_ident): New.
2414 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2416 2009-04-01 Ben Elliston <bje@au.ibm.com>
2418 * config/rs6000/sysv4.opt (msdata): Improve option description.
2420 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2422 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2423 (divdf3_internal_lat): Remove.
2424 (divxf3_internal_lat): Remove.
2425 (divxf3_internal_thr): Remove.
2426 (divxf): Use divxf3_internal.
2427 * config/ia64/div.md (divsf3_internal_lat): New.
2428 (divdf3_internal_lat): New.
2429 (divxf3_internal): New.
2431 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2434 * Makefile.in (USE_GCC_STDINT): Define.
2435 (stmp-int-hdrs): Install stdint.h if applicable.
2436 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2438 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2439 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2440 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2441 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2442 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2443 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2444 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2445 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2446 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2447 (c_common_nodes_and_builtins): Initialize
2448 underlying_wchar_type_node. Do not initialize
2449 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2450 nodes for new types.
2451 (c_stddef_cpp_builtins): Define macros for new types.
2452 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2454 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2455 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2456 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2457 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2458 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2459 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2460 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2461 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2462 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2463 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2464 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2465 int16_type_node, int32_type_node, int64_type_node,
2466 uint8_type_node, uint16_type_node, c_uint32_type_node,
2467 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2468 int_least32_type_node, int_least64_type_node,
2469 uint_least8_type_node, uint_least16_type_node,
2470 uint_least32_type_node, uint_least64_type_node,
2471 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2472 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2473 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2474 uintptr_type_node): Define.
2475 * c-cppbuiltin.c (builtin_define_constants,
2476 builtin_define_type_minmax): New.
2477 (builtin_define_stdint_macros): Define more macros.
2478 (c_cpp_builtins): Define more limit macros.
2480 (builtin_define_type_max): Define in terms of
2481 builtin_define_type_minmax. Remove is_long parameter. All
2483 * config.gcc (use_gcc_stdint): Define.
2484 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2485 Add newlib-stdint.h for generic targets.
2486 * config/glibc-stdint.h, config/newlib-stdint.h,
2487 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2488 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2489 * config/score/score.h (UINTPTR_TYPE): Define.
2490 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2491 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2492 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2493 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2494 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2495 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2496 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2497 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2498 * config/spu/spu.h (STDINT_LONG32): Define.
2499 * configure.ac (use_gcc_stdint): Substitute.
2500 * configure: Regenerate.
2501 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2502 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2503 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2504 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2505 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2506 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2507 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2508 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2509 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2510 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2511 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2512 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2513 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2514 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2515 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2516 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2517 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2518 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2519 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2520 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2521 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2522 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2523 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2524 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2525 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2526 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2527 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2528 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2529 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2531 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2533 * loop-iv.c (suitable_set_for_replacement): Renamed from
2534 simplify_using_assignment; changed to return bool and to accept new
2535 args DEST and SRC. Return true iff we find a source/destination pair
2536 that can be used to make a replacement, and fill SRC and DEST if so.
2537 Remove arg ALTERED. Don't deal with altered regs here. All callers
2539 (simplify_using_initial_values): Deal with altered regs here and track
2540 more precisely the effect they have on the validity of our expression.
2542 * loop-iv.c (simplify_using_condition): A condition of the form
2543 (EQ REG CONST) can be used to simply make a substitution.
2544 (simplify_using_initial_values): Keep track of conditions we have seen
2545 and keep using them to simplify new expressions, while applying the
2546 same substitutions to them as to the expression.
2548 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2549 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2552 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2553 changed. Use this when trying to improve the upper bound.
2554 Generate the comparison by using simplify_gen_relational.
2556 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2558 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2560 (simplify_using_assignment, simplify_using_initial_values): Call
2561 replace_in_expr to make replacements. Call replace_single_def_regs
2562 once on the initial version of the expression.
2564 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2567 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2569 2009-03-31 Richard Guenther <rguenther@suse.de>
2572 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2573 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2575 2009-03-31 Richard Guenther <rguenther@suse.de>
2577 * tree.h (div_if_zero_remainder): Declare.
2578 * fold-const.c (div_if_zero_remainder): Export.
2579 * tree-ssa-forwprop.c
2580 (forward_propagate_addr_into_variable_array_index): Handle
2581 constant array index addition outside of the variable index.
2583 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2586 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2587 define_splits, floatunssi<mode>2): Require x87 conversions from
2588 DImode to be permitted.
2590 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2592 PR preprocessor/15638
2593 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2595 2009-03-31 Richard Guenther <rguenther@suse.de>
2599 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2600 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2601 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2602 a separate statement.
2603 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2604 (lookup_tmp_var): Likewise.
2605 (is_gimple_formal_tmp_or_call_rhs): Remove.
2606 (is_gimple_reg_or_call_rhs): Rename to ...
2607 (is_gimple_reg_rhs_or_call): ... this.
2608 (is_gimple_mem_or_call_rhs): Rename to ...
2609 (is_gimple_mem_rhs_or_call): ... this.
2610 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2611 DECL_GIMPLE_REG_P only if is_formal is true.
2612 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2613 for non-proper post-modify expression gimplification.
2614 (gimplify_self_mod_expr): For post-modify expressions gimplify
2615 the lvalue to a minimal lvalue.
2616 (rhs_predicate_for): Remove formal temp case.
2617 (gimplify_modify_expr_rhs): Likewise.
2618 (gimplify_addr_expr): Use is_gimple_reg.
2619 (gimplify_expr): Remove formal temp cases.
2620 (gimple_regimplify_operands): Likewise.
2621 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2622 and FILTER_EXPR like constants.
2623 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2625 (is_gimple_formal_tmp_rhs): Remove.
2626 (is_gimple_reg_rhs): Remove special casing.
2627 (is_gimple_mem_rhs): Fix.
2628 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2629 (is_gimple_formal_tmp_var): Remove.
2630 (is_gimple_formal_tmp_reg): Likewise.
2631 (is_gimple_min_lval): Allow invariant component ref parts.
2632 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2633 is_gimple_formal_tmp_reg): Remove declarations.
2634 * tree-cfg.c (verify_expr): Verify that variables with address
2635 taken do not have DECL_GIMPLE_REG_P set.
2636 * tree-mudflap.c (mf_build_check_statement_for): Use
2637 force_gimple_operand instead of gimplify_expr.
2639 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2641 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2642 schedulable rows to compute_split_row.
2644 2009-03-31 Ben Elliston <bje@au.ibm.com>
2647 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2650 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2652 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2653 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2654 * configure: Regenerate.
2655 * config.in: Regenerate.
2656 * config/rs6000/rs6000.opt (mtls-markers): Add.
2657 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2658 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2659 (tls_ld_aix, tls_ld_sysv): Likewise.
2660 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2661 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2663 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2665 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2667 2009-03-30 Jan Hubicka <jh@suse.cz>
2669 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2671 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2672 detection and label handling.
2674 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2676 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2677 left_conflicts_size.
2678 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2679 ALLOCNO_LEFT_CONFLICTS_SIZE.
2681 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2682 remove_allocno_from_bucket_and_push,
2683 allocno_spill_priority_compare, push_allocnos_to_stack,
2684 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2685 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2686 (setup_allocno_left_conflicts_num): Ditto. Rename to
2687 setup_allocno_left_conflicts_size.
2688 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2689 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2690 setup_allocno_left_conflicts_size instead of
2691 setup_allocno_left_conflicts_num.
2693 * ira-build.c (ira_create_allocno): Use
2694 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2695 ALLOCNO_LEFT_CONFLICTS_NUM.
2697 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2699 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2700 instead of DF_LR_OUT.
2702 * ira-lives.c (process_bb_node_lives): Ditto.
2704 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2705 instead of DF_LR_{OUT,IN}.
2707 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2709 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2711 2009-03-30 Jan Hubicka <jh@suse.cz>
2713 * except.c (label_to_region_map): Fix thinko.
2715 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2718 * tree.h (tree_find_value): New declaration.
2719 * tree.c (tree_find_value): New function.
2720 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2722 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2725 * c-decl.c (struct c_binding): Add locus field.
2726 (bind): Add locus argument, set locus field from it.
2727 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2728 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2729 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2730 implicitly_declare, undeclared_variable, lookup_label,
2731 declare_label, c_make_fname_decl, c_builtin_function,
2732 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2735 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2738 * config/i386/i386.c (classify_argument): Check total size of
2741 2009-03-30 Martin Jambor <mjambor@suse.cz>
2743 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2744 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2745 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2748 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2749 seen_variable_array_ref while also traversing a union.
2751 * tree-inline.c (optimize_inline_calls): Do not call
2752 cgraph_node_remove_callees.
2753 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2754 (pass_remove_cgraph_callee_edges): New variable.
2755 * passes.c (init_optimization_passes): Add
2756 pass_remove_cgraph_callee_edges after early inlining and before all
2757 late intraprocedural passes.
2759 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2761 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2763 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2766 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2768 * combine.c (simplify_comparison): Use have_insn_for.
2769 * dojump.c (do_jump): Likewise.
2771 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2773 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2774 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2775 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2776 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2777 instead of sparc_compare_emitted.
2778 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2779 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2780 instead of sparc_compare_emitted.
2782 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2784 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2785 enter/exit cfglayout mode.
2786 (pass_partition_block): Require it.
2787 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2788 (combine_instructions): Track basic blocks instead of labels.
2789 (update_cfg_for_uncondjump): New.
2790 (try_combine): Use it. Update jumps after rescanning.
2791 (pass_combine): Require PROP_cfglayout.
2792 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2794 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2796 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2797 Provide/destroy PROP_cfglayout respectively.
2798 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2799 * tree-pass.h (PROP_cfglayout): New.
2801 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2803 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2804 fold_convert_const_fixed_from_fixed,
2805 fold_convert_const_fixed_from_int,
2806 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2807 set TREE_CONSTANT_OVERFLOW.
2808 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2809 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2811 2009-03-30 Ira Rosen <irar@il.ibm.com>
2813 * tree-vect-loop-manip.c: New file.
2814 * tree-vectorizer.c: Update documentation and included files.
2815 (vect_loop_location): Make extern.
2816 (rename_use_op): Move to tree-vect-loop-manip.c
2817 (rename_variables_in_bb, rename_variables_in_loop,
2818 slpeel_update_phis_for_duplicate_loop,
2819 slpeel_update_phi_nodes_for_guard1,
2820 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2821 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2822 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2823 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2824 find_loop_location): Likewise.
2825 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2826 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2827 get_vectype_for_scalar_type, vect_is_simple_use,
2828 supportable_widening_operation, supportable_narrowing_operation):
2830 (bb_in_loop_p): Move to tree-vect-loop.c.
2831 (new_loop_vec_info, destroy_loop_vec_info,
2832 reduction_code_for_scalar_code, report_vect_op,
2833 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2834 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2835 (vect_supportable_dr_alignment): Likewise.
2836 * tree-vectorizer.h (tree-data-ref.h): Include.
2837 (vect_loop_location): Declare.
2838 Reorganize function declarations according to the new file structure.
2839 * tree-vect-loop.c: New file.
2840 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2841 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2842 * tree-vect-data-refs.c: New file.
2843 * tree-vect-patterns.c (timevar.h): Don't include.
2844 * tree-vect-stmts.c: New file.
2845 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2846 tree-vect-slp.c, tree-vect-loop.c.
2847 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2848 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
2849 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2850 (tree-vect-analyze.o): Remove.
2851 (tree-vect-transform.o): Likewise.
2852 (tree-vect-data-refs.o): Add rule.
2853 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
2854 tree-vect-slp.o): Likewise.
2855 (tree-vect-patterns.o): Remove redundant dependencies.
2856 (tree-vectorizer.o): Likewise.
2857 * tree-vect-slp.c: New file.
2859 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2861 * optc-gen.awk: Warn if an option flag has multiple different
2864 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
2866 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2867 -floop-block): Document dependences on PPL, CLooG and Graphite.
2869 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2871 PR rtl-optimization/323
2872 * c-common.c (c_fully_fold, convert_and_check,
2873 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2874 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2875 * c-common.def (EXCESS_PRECISION_EXPR): New.
2876 * c-cppbuiltin.c (builtin_define_float_constants): Define
2877 constants with enough digits for long double.
2878 * c-lex.c (interpret_float): Interpret constant with excess
2879 precision where appropriate.
2880 * c-opts.c (c_common_post_options): Set
2881 flag_excess_precision_cmdline. Give an error for
2882 -fexcess-precision=standard for C++ for processors where the
2883 option is significant.
2884 * c-parser.c (c_parser_conditional_expression): Handle excess
2885 precision in condition.
2886 * c-typeck.c (convert_arguments): Handle arguments with excess
2888 (build_unary_op): Move excess precision outside operation.
2889 (build_conditional_expr): Likewise.
2890 (build_compound_expr): Likewise.
2891 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2892 (build_modify_expr): Handle excess precision in RHS.
2893 (convert_for_assignment): Handle excess precision in converted
2895 (digest_init, output_init_element, process_init_element): Handle
2896 excess precision in initializer.
2897 (c_finish_return): Handle excess precision in return value.
2898 (build_binary_op): Handle excess precision in operands and add
2899 excess precision as needed for operation.
2900 * common.opt (-fexcess-precision=): New option.
2901 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2902 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2903 For standard excess precision, output explicit conversion to and
2904 truncation from XFmode.
2905 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2906 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2907 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2908 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2909 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2910 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2911 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2912 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2913 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2914 define_splits, sqrt<mode>2): Disable where appropriate for
2915 standard excess precision.
2916 * convert.c (convert_to_real): Do not shorten arithmetic to type
2917 for which excess precision would be used.
2918 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2919 * doc/invoke.texi (-fexcess-precision=): Document option.
2920 (-mfpmath=): Correct index entry.
2921 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2922 flag_excess_precision): New.
2923 * langhooks.c (lhd_post_options): Set
2924 flag_excess_precision_cmdline.
2925 * opts.c (common_handle_option): Handle -fexcess-precision=.
2926 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2927 init_excess_precision): New.
2928 (lang_dependent_init_target): Call init_excess_precision.
2929 * tree.c (excess_precision_type): New.
2930 * tree.h (excess_precision_type): Declare.
2932 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2935 * c-typeck.c (build_component_ref): Do not copy qualifiers from
2936 non-lvalue to component.
2938 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2940 PR preprocessor/34695
2941 * Makefile.in (c-opts.o): Depend on c-tree.h.
2942 * c-common.c: Move down include of diagnostic.h.
2943 (done_lexing, c_cpp_error): New.
2944 * c-common.h (done_lexing): Declare.
2945 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2947 * c-opts.c: Include c-tree.h.
2948 (c_common_init_options): Set preprocessor error callback.
2949 (c_common_handle_option): Do not set preprocessor
2950 inhibit_warnings, warnings_are_errors, warn_system_headers,
2951 pedantic_errors or inhibit_warnings flags.
2952 (c_common_post_options): Do not check cpp_errors (parse_in).
2953 (c_common_finish): Do not output dependencies if there were
2954 errors. Do not check return value of cpp_finish.
2955 * c-ppoutput.c (pp_file_change): Set input_location.
2956 * c-tree.h (c_cpp_error): Declare.
2957 * diagnostic.c (diagnostic_set_info_translated): Also initialize
2959 (diagnostic_build_prefix): Check override_column.
2960 * diagnostic.h (diagnostic_info): Add override_column field.
2961 (diagnostic_override_column): Define.
2963 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
2965 * c-common.c (c_expand_expr, c_staticp): Remove.
2966 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2967 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2968 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2969 * c-gimplify.c (gimplify_compound_literal_expr,
2970 optimize_compound_literals_in_ctor): Remove.
2971 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2972 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2973 * c-semantics.c (emit_local_var): Remove.
2975 * langhooks-def.h (lhd_expand_expr): Remove.
2976 * langhooks.c (lhd_expand_expr): Remove.
2977 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2979 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2980 handling from c-semantics.c; don't call into langhook.
2981 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2982 * gimplify.c (gimplify_compound_literal_expr,
2983 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2984 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2985 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2986 as was done in c-gimplify.c.
2987 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2988 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2989 Move from c-common.h.
2990 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2992 * tree.c (staticp): Do not call langhook.
2993 * langhooks.c (lhd_staticp): Delete.
2994 * langhooks-def.h (lhd_staticp): Delete prototype.
2995 (LANG_HOOKS_STATICP): Delete.
2996 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2998 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2999 instead of DECL_STMTs.
3001 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3009 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3011 (fold_call_expr): Return a NOP_EXPR from folding rather than the
3012 contained expression.
3013 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3014 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
3015 conditional expressions for C.
3016 (decl_constant_value_for_optimization): Move from
3017 decl_constant_value_for_broken_optimization in c-typeck.c. Check
3018 whether optimizing and that the expression is a VAR_DECL not of
3019 array type instead of doing such checks in the caller. Do not
3020 check pedantic. Call gcc_unreachable for C++.
3021 * c-common.def (C_MAYBE_CONST_EXPR): New.
3022 * c-common.h (c_fully_fold, c_save_expr,
3023 decl_constant_value_for_optimization): New prototypes.
3024 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3025 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3026 EXPR_INT_CONST_OPERANDS): Define.
3027 * c-convert.c (convert): Strip nops from expression.
3028 * c-decl.c (groktypename): Take extra parameters expr and
3029 expr_const_operands. Update call to grokdeclarator.
3030 (start_decl): Update call to grokdeclarator. Add statement for
3031 expressions used in type of decl.
3032 (grokparm): Update call to grokdeclarator.
3033 (push_parm_decl): Update call to grokdeclarator.
3034 (build_compound_literal): Add parameter non_const and build a
3035 C_MAYBE_COSNT_EXPR if applicable.
3036 (grokdeclarator): Take extra parameters expr and
3037 expr_const_operands. Track expressions used in declaration
3038 specifiers and declarators. Fold array sizes and track whether
3039 they are constant expressions and whether they are integer
3040 constant expressions.
3041 (parser_xref_tag): Set expr and expr_const_operands fields in
3043 (grokfield): Update call to grokdeclarator.
3044 (start_function): Update call to grokdeclarator.
3045 (build_null_declspecs): Set expr and expr_const_operands fields in
3047 (declspecs_add_type): Handle expressions in typeof specifiers.
3048 * c-parser.c (c_parser_declspecs): Set expr and
3049 expr_const_operands fields for declaration specifiers.
3050 (c_parser_enum_specifier): Likewise.
3051 (c_parser_struct_or_union_specifier): Likewise.
3052 (c_parser_typeof_specifier): Likewise. Update call to
3053 groktypename. Fold expression as needed. Return expressions with
3054 type instead of adding statements.
3055 (c_parser_attributes): Update calls to c_parser_expr_list.
3056 (c_parser_statement_after_labels): Fold expression before passing
3057 to objc_build_throw_stmt.
3058 (c_parser_condition): Fold expression.
3059 (c_parser_asm_operands): Fold expression.
3060 (c_parser_conditional_expression): Use c_save_expr. Update call
3061 to build_conditional_expr.
3062 (c_parser_alignof_expression): Update call to groktypename.
3063 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3064 original_code. Fold expression argument of va_arg. Create
3065 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3066 argument to va_arg. Update calls to groktypename. Fold array
3067 index for offsetof. Verify that first argument to
3068 __builtin_choose_expr has integer type.
3069 (c_parser_postfix_expression_after_paren_type): Update calls to
3070 groktypename and build_compound_literal. Handle expressions with
3071 side effects in type name.
3072 (c_parser_postfix_expression_after_primary): Update call to
3073 c_parser_expr_list. Set original_code for calls to
3074 __builtin_constant_p.
3075 (c_parser_expr_list): Take extra parameter fold_p. Fold
3076 expressions if requested.
3077 (c_parser_objc_type_name): Update call to groktypename.
3078 (c_parser_objc_synchronized_statement): Fold expression.
3079 (c_parser_objc_receiver): Fold expression.
3080 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3081 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3082 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3083 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3084 (struct c_typespec): Add elements expr and expr_const_operands.
3085 (struct c_declspecs): Add elements expr and expr_const_operands.
3086 (groktypename, build_conditional_expr, build_compound_literal):
3088 (in_late_binary_op): Declare.
3089 * c-typeck.c (note_integer_operands): New function.
3090 (in_late_binary_op): New variable.
3091 (decl_constant_value_for_broken_optimization): Move to c-common.c
3092 and rename to decl_constant_value_for_optimization.
3093 (default_function_array_conversion): Do not strip nops.
3094 (default_conversion): Do not call
3095 decl_constant_value_for_broken_optimization.
3096 (build_array_ref): Do not fold result.
3097 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
3098 result when operand is a VLA.
3099 (c_expr_sizeof_type): Update call to groktypename. Handle
3100 expressions included in type name. Use C_MAYBE_CONST_EXPR for
3101 result when operand names a VLA type.
3102 (build_function_call): Update call to build_compound_literal.
3103 Only fold result for calls to __builtin_* functions. Strip
3104 NOP_EXPR from INTEGER_CST returned from such functions. Fold
3105 the function designator.
3106 (convert_arguments): Fold arguments. Update call to
3107 convert_for_assignment.
3108 (build_unary_op): Handle increment and decrement of
3109 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
3110 decrement earlier. Fold operand of increment and decrement.
3111 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
3112 built for integer operand. Wrap returns that are INTEGER_CSTs
3113 without being integer constant expressions or that have integer
3114 constant operands without being INTEGER_CSTs.
3115 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3116 (build_conditional_expr): Add operand ifexp_bcp. Track whether
3117 result is an integer constant expression or can be used in
3118 unevaluated parts of one and avoid folding and wrap as
3119 appropriate. Fold operands before possibly doing -Wsign-compare
3121 (build_compound_expr): Wrap result for C99 if operands can be used
3122 in integer constant expressions.
3123 (build_c_cast): Update call to digest_init. Do not ignore
3124 overflow from casting floating-point constants to integers. Wrap
3125 results that could be confused with integer constant expressions,
3126 null pointer constants or floating-point constants.
3127 (c_cast_expr): Update call to groktypename. Handle expressions
3128 included in type name.
3129 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
3130 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
3131 Update calls to convert_for_assignment.
3132 (convert_for_assignment): Take new parameter
3133 null_pointer_constant. Do not strip nops or call
3134 decl_constant_value_for_broken_optimization. Set
3135 in_late_binary_op for conversions to boolean.
3136 (store_init_value): Update call to digest_init.
3137 (digest_init): Take new parameter null_pointer_constant. Do not
3138 call decl_constant_value_for_broken_optimization. pedwarn for
3139 initializers not constant expressions. Update calls to
3140 convert_for_assignment.
3141 (constructor_nonconst): New.
3142 (struct constructor_stack): Add nonconst element.
3143 (really_start_incremental_init, push_init_level, pop_init_level):
3144 Handle constructor_nonconst and nonconst element.
3145 (set_init_index): Call constant_expression_warning for array
3147 (output_init_element): Fold value. Set constructor_nonconst as
3148 applicable. pedwarn for initializers not constant expressions.
3149 Update call to digest_init. Call constant_expression_warning
3150 where constant initializers are required.
3151 (process_init_element): Use c_save_expr.
3152 (c_finish_goto_ptr): Fold expression.
3153 (c_finish_return): Fold return value. Update call to
3154 convert_for_assignment.
3155 (c_start_case): Fold switch expression.
3156 (c_process_expr_stmt): Fold expression.
3157 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3158 ensure statement expression is not evaluated in constant expression.
3159 (build_binary_op): Track whether results are integer constant
3160 expressions or may occur in such, disable folding and wrap results
3161 as applicable. Fold operands for -Wsign-compare warnings unless
3163 (c_objc_common_truthvalue_conversion): Handle results folded to
3164 integer constants that are not integer constant expressions.
3165 * doc/extend.texi: Document when typeof operands are evaluated,
3166 that condition of __builtin_choose_expr is an integer constant
3167 expression, and more about use of __builtin_constant_p in
3170 2009-03-29 Richard Guenther <rguenther@suse.de>
3172 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3173 propagate addresses of array references.
3175 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
3177 * regmove.c (perhaps_ends_bb_p): Remove.
3178 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
3179 from INSN and check that the main loop stays within that basic block.
3180 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3181 (regmove_forward_pass): Split out from regmove_optimize. Use
3182 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3183 (regmove_backward_pass): Split out from regmove_optimize. Use
3184 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3185 (regmove_optimize): Simplify.
3187 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3190 * config/i386/i386.c (classify_argument): Ignore flexible array
3191 member in struct and warn ABI change.
3193 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3195 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3197 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3198 (ix86_adjust_cost): Updated.
3200 2009-03-29 Jan Hubicka <jh@suse.cz>
3203 * tree-pass.h (pass_cleanup_eh): New function.
3204 (remove_unreachable_regions): Break code handling RTL
3205 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3206 that can not be reached by runtime.
3207 (can_be_reached_by_runtime): New function.
3208 (label_to_region_map): New function.
3209 (num_eh_regions): New function.
3210 (rtl_remove_unreachable_regions): New function.
3211 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3212 (remove_eh_region): New function.
3213 * except.h: Include sbitmap and vecprim.
3214 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3215 num_eh_regions): Declare.
3216 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3217 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3218 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3219 (tree_empty_eh_handler_p): New function.
3220 (cleanup_empty_eh): New function.
3221 (cleanup_eh): New function.
3222 (pass_cleanup_eh): New function.
3224 2009-03-29 Jan Hubicka <jh@suse.cz>
3226 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3227 for removed regions.
3229 2009-03-29 Jan Hubicka <jh@suse.cz>
3231 * except.c (dump_eh_tree): Dump all datastructures.
3233 2009-03-29 Jan Hubicka <jh@suse.cz>
3235 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3236 (duplicate_eh_regions_1): Likewise.
3237 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3238 vector; call EH verification.
3239 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3240 Be ready for region being removed.
3242 2009-03-29 Jan Hubicka <jh@suse.cz>
3244 * bitmap.c (bitmap_last_set_bit): New function.
3245 * bitmap.h (bitmap_last_set_bit): Declare.
3247 2009-03-29 David Ayers <ayers@fsfe.org>
3250 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3251 by calling objc_compare_types and surpress warnings about
3252 incompatible C pointers that are compatible ObjC pointers.
3254 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3256 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3257 call initialize_inline_failed.
3258 (initialize_inline_failed): Move it from here ...
3259 * cgraph.c (initialize_inline_failed): ... to here.
3260 (cgraph_create_edge): Call initialize_inline_failed rather than
3261 setting inline_failed directly.
3263 2009-03-29 Ben Elliston <bje@au.ibm.com>
3266 * sysv4.opt (msdata): Improve comment.
3267 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3268 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3270 2009-03-29 Ben Elliston <bje@au.ibm.com>
3273 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3274 load and store attributes.
3276 2009-03-29 Ben Elliston <bje@au.ibm.com>
3278 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3279 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3280 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3281 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3282 __builtin_infq and __builtin_huge_valq.
3284 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3286 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3288 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3289 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3291 2009-03-28 Xinliang David Li <davidxl@google.com>
3293 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3294 (do_dbg_cnt): New function.
3296 2009-03-28 Jan Hubicka <jh@suse.cz>
3298 Merge from pretty-ipa:
3300 2009-03-27 Jan Hubicka <jh@suse.cz>
3302 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3303 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3304 * passes.c (function_called_by_processed_nodes_p): New.
3305 * ipa-pure-const.c (check_call): Fix handling of operands.
3306 (analyze_function): Dump debug output for skipped bodies.
3307 (local_pure_const): Use function_called_by_processed_nodes_p.
3308 * dwarf2out.c (reference_to_unused): Use output.
3309 * passes.c (do_per_function_toporder): Likewise.
3311 2008-11-12 Jan Hubicka <jh@suse.cz>
3313 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3314 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3315 state_set_in_source enum
3316 (check_decl): Ignore memory tags; do not set fake looping flags;
3318 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3319 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3320 (check_call, analyze_function): Rewrite.
3322 (add_new_function): Update call of analyze_function.
3323 (generate_summary): Add call of analyze_function.
3324 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3325 (local_pure_const): New function.
3326 (pass_local_pure_const): New pass.
3327 * ipa-inline.c (inline_transform): Set after_inlining.
3328 * tree-eh.c (stmt_can_throw_external): New.
3329 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3330 work with aliasing built.
3331 * tree-flow.h (stmt_can_throw_external): New.
3332 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3333 and local pure/const pass in early and late optimization queue.
3335 2009-03-28 Martin Jambor <mjambor@suse.cz>
3337 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3339 (fold_binary): Allow function decl aligment consideration is the
3340 second argument is integer constant one.
3341 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3342 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3343 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3345 2009-03-28 Jan Hubicka <jh@suse.cz>
3347 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3348 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3349 * function.h (rtl_data): Add nothrow flag.
3350 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3351 set DECL_NOTHROW for AVAILABLE functions.
3353 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3355 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3356 following vector keyword has expansion starting with pixel or bool
3357 keyword, expand vector to __vector and pixel or bool to __pixel or
3361 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3362 warn_if_disallowed_function_p): Removed.
3363 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3364 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3365 warning_if_disallowed_function_p.
3366 * flags.h (warn_if_disallowed_function_p,
3367 warn_disallowed_functions): Removed.
3368 * common.opt (Wdisallowed-function-list=): Removed.
3369 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3371 2009-03-28 Richard Guenther <rguenther@suse.de>
3373 PR tree-optimization/38723
3374 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3377 2009-03-28 Jan Hubicka <jh@suse.cz>
3379 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3380 test introduced by my previous patch.
3382 2009-03-28 Richard Guenther <rguenther@suse.de>
3384 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3385 the PHIs value undefined.
3387 2009-03-28 Jan Hubicka <jh@suse.cz>
3389 * tree-pass.h (pass_fixup_cfg): New pass.
3390 * ipa-inline.c (inline_transform): Set
3391 always_inline_functions_inlined/after_inlining.
3392 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3393 (pass_fixup_cfg): New pass.
3394 * passes.c (init_optimization_passes): Add fixup_cfg.
3396 2009-03-28 Richard Guenther <rguenther@suse.de>
3398 PR tree-optimization/38458
3399 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3400 argument use the arguments copy-of value.
3402 2009-03-28 Richard Guenther <rguenther@suse.de>
3404 PR tree-optimization/38180
3405 * tree-ssa-ccp.c (get_default_value): Simplify.
3406 (likely_value): Likewise.
3407 (surely_varying_stmt_p): Properly handle VOP case.
3408 (ccp_initialize): Likewise.
3409 (ccp_fold): Handle propagating through *&.
3410 (fold_const_aggregate_ref): Also handle decls.
3412 2009-03-28 Jan Hubicka <jh@suse.cz>
3414 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3415 * cgraph.h (cgraph_node): Likewise.
3416 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3417 (cgraph_reset_node): Use process flag.
3418 (cgraph_mark_functions_to_output): Likewise.
3419 (cgraph_expand_function): Likewise.
3420 (cgraph_expand_all_functions): Likewise.
3421 (cgraph_output_in_order): Likewise.
3422 * dwarf2out.c (reference_to_unused): Likewise.
3423 * passes.c do_per_function_toporder): Likewise.
3425 2009-03-28 Jan Hubicka <jh@suse.cz>
3427 Bring from lto-branch:
3429 2008-09-03 Doug Kwan <dougkwan@google.com>
3431 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3432 enums instead of reason strings.
3433 * cgraph.c (cgraph_create_edge): Same.
3434 (cgraph_inline_failed_string): New function.
3435 * cgraph.h (cgraph_inline_failed_t): New enum type.
3436 (cgraph_inline_failed_string): New prototype.
3437 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3438 char pointer to cgraph_inline_failed_t.
3439 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3440 (cgraph_default_inline_p): Ditto.
3441 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3442 to cgraph_inline_failed_t pointer.
3443 * cif-code.def: New file.
3444 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3446 (cgraph_check_inline_limits): Change type of REASON to pointer to
3447 cgraph_inline_failed_t. Replace reason strings with enums.
3448 (cgraph_default_inline_p): Ditto.
3449 (cgraph_recursive_inlining_p): Ditto.
3450 (update_caller_keys): Change type of FAILED_REASON to
3451 cgraph_inline_failed_t.
3452 (cgraph_set_inline_failed): Change type of REASON to pointer to
3453 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3454 convert enums to strings for text output.
3455 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3456 to be of type cgraph_inline_failed_t. Replace reason strings with
3457 enums. Call cgraph_inline_failed_string to covert enums
3458 to strings for text output.
3459 (cgraph_decide_inlining): Replace reason strings with enums.
3460 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3461 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3463 * tree-inline.c (expand_call_inline): Change type of REASON
3464 to cgraph_inline_failed_t. Replace reason strings with enums.
3465 Call cgraph_inline_failed_string for text output.
3466 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3469 2009-03-28 Jan Hubicka <jh@suse.cz>
3471 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3472 cgraph_clone_node): Remove master clone handling.
3473 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3474 * cgraph.h (master_clone): Remove.
3475 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3476 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3477 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3479 2009-03-28 Jan Hubicka <jh@suse.cz>
3481 * cgraph.c (cgraph_function_body_availability): Functions declared
3482 inline are always safe to assume that it is not going to be replaced.
3484 2009-03-28 Richard Guenther <rguenther@suse.de>
3486 PR tree-optimization/38513
3487 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3488 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3489 EXC_PTR_EXPR and FILTER_EXPR.
3490 (get_ref_from_reference_ops): Likewise.
3492 2009-03-28 Richard Guenther <rguenther@suse.de>
3494 PR tree-optimization/38968
3495 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3496 Use FLOOR_MOD_EXPR to compute misalignment.
3498 2009-03-28 Richard Guenther <rguenther@suse.de>
3500 PR tree-optimization/37795
3501 * tree.h (combine_comparisons): Declare.
3502 * fold-const.c (combine_comparisons): Export.
3503 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3505 (ifcombine_iforif): Use combine_comparisons.
3507 2009-03-28 Jan Hubicka <jh@suse.cz>
3509 * tree-eh.c (inlinable_call_p): New function.
3510 (make_eh_edges): Use it.
3511 (verify_eh_edges): Use it.
3512 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3513 * except.c (reachable_next_level): Add inlinable_function argument
3514 (sjlj_find_directly_reachable_regions): Update.
3515 (add_reachable_handler): Do not set saw_any_handlers.
3516 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3517 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3518 Add new inlinable call parameter.
3519 (can_throw_internal, can_throw_external): Update.
3520 * except.h (can_throw_internal_1, can_throw_external_1,
3521 foreach_reachable_handler): Update declaration.
3523 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3525 * config/arm/t-arm-coff, config/h8300/coff.h,
3526 config/i386/i386-aout.h, config/i386/i386-coff.h,
3527 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3528 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3529 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3530 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3531 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3532 sys-types.h: Remove.
3533 * Makefile.in: Remove protoize and fixproto support and references
3535 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3536 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3538 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3539 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3540 unprotoize$(exeext).
3541 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3542 (.PHONY): Don't depend on proto.
3543 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3544 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3545 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3546 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3547 build/gen-protos.o, build/scan.o, xsys-protos.h,
3548 build/fix-header$(build_exeext), build/fix-header.o,
3549 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3550 stmp-install-fixproto): Remove.
3551 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3552 SYSCALLS.c or fixproto files.
3553 (install-common): Don't install protoize.
3554 (install-headers-tar, install-headers-cpio, install-headers-cp):
3555 Don't depend on $(STMP_FIXPROTO).
3556 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3557 install fixproto files or write out fixproto settings.
3558 (uninstall): Don't uninstall protoize.
3559 * config.gcc (use_fixproto): Remove.
3560 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3561 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3562 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3563 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3564 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3565 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3566 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3567 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3568 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3569 * config/t-vxworks (STMP_FIXPROTO): Remove.
3570 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3571 STMP_FIXPROTO): Remove.
3572 * config.in, configure: Regenerate.
3573 * crtstuff.c (gid_t, uid_t): Don't undefine.
3574 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3575 (arm-*-coff, arm-*-aout: Remove target entries.
3576 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3577 Remove mention of AIX 4.1.
3578 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3579 * doc/invoke.texi (Running Protoize): Remove.
3580 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3581 (Protoize Caveats): Remove.
3582 * tsystem.h: Update comments on headers assumed to exist.
3584 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3586 * genautomata.c: Add a new year to the copyright. Add a new
3588 (struct insn_reserv_decl): Add comments for member bypass_list.
3589 (find_bypass): Remove.
3590 (insert_bypass): New.
3591 (process_decls): Use insert_bypass.
3592 (output_internal_insn_latency_func): Output all bypasses with the
3593 same input insn in one switch case.
3595 * rtl.def (define_bypass): Describe bypass choice.
3596 * doc/md.texi (define_bypass): Ditto.
3598 2009-03-27 Richard Guenther <rguenther@suse.de>
3600 * gimplify.c (mark_addressable): Export.
3601 * tree-flow.h (mark_addressable): Declare.
3602 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3603 * tree-ssa.c (verify_phi_args): Verify that address taken
3604 variables have TREE_ADDRESSABLE set.
3606 2009-03-27 Richard Guenther <rguenther@suse.de>
3608 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3609 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3610 Do not mark decls TREE_ADDRESSABLE.
3611 (build_fold_addr_expr): Adjust.
3612 (fold_addr_expr): Remove.
3613 (fold_unary): Use build_fold_addr_expr.
3614 (fold_comparison): Likewise.
3615 (split_address_to_core_and_offset): Likewise.
3616 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3618 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3619 (gimplify_modify_expr_to_memcpy): Mark source and destination
3621 * omp-low.c (create_omp_child_function): Mark the object decl
3623 (lower_rec_input_clauses): Mark the var we take the address of
3625 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3627 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3630 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3631 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3633 2009-03-27 Richard Guenther <rguenther@suse.de>
3635 PR tree-optimization/39120
3636 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3638 (handle_lhs_call): Process return constraints. Add escape
3639 constraints if necessary.
3640 (handle_const_call): Fill out return constraints. Make nested
3641 case more precise. Avoid consttmp if possible.
3642 (handle_pure_call): Fill out return constraints. Avoid
3643 callused if possible.
3644 (find_func_aliases): Simplify call handling.
3646 2009-03-27 Richard Guenther <rguenther@suse.de>
3648 PR tree-optimization/39120
3649 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3650 as a representative.
3651 (solve_graph): Do propagate CALLUSED.
3652 (handle_pure_call): Use a scalar constraint from CALLUSED for
3654 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3657 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3660 * c-common.c (handle_aligned_attribute): Properly check alignment
3661 overflow. Use (1U << i) instead of (1 << i).
3663 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3665 * expr.h (get_mem_align_offset): Updated.
3667 * tree.h (tree_decl_common): Change align to "unsigned int" and
3668 move it before pointer_alias_set.
3670 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3671 Jakub Jelinek <jakub@redhat.com>
3674 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3675 gr_register_operand with gr_reg_or_0_operand.
3676 (cmpxchg_rel_di): Likewise.
3677 (sync_lock_test_and_set<mode>): Likewise.
3679 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3681 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3682 (true_regnum): Likewise.
3684 * rtlanal.c (subreg_info): Moved to ...
3685 * rtl.h (subreg_info): Here. New.
3686 (subreg_get_info): New.
3688 * rtlanal.c (subreg_get_info): Make it extern.
3690 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3693 * config/i386/i386.c (ix86_abi): New.
3694 (override_options): Handle -mabi=.
3695 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3696 (ix86_call_abi_override): Likewise.
3697 (init_cumulative_args): Likewise.
3698 (function_arg_advance): Likewise.
3699 (function_arg_64): Likewise.
3700 (function_arg): Likewise.
3701 (ix86_pass_by_reference): Likewise.
3702 (ix86_function_value_regno_p): Likewise.
3703 (ix86_build_builtin_va_list_abi): Likewise.
3704 (setup_incoming_varargs_64): Likewise.
3705 (is_va_list_char_pointer): Likewise.
3706 (ix86_init_machine_status): Likewise.
3707 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3708 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3709 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3710 (ix86_function_abi): Make it static and return enum calling_abi.
3711 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3713 (ix86_fn_abi_va_list): Updated.
3715 * config/i386/i386.h (ix86_abi): New.
3716 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3717 (CONDITIONAL_REGISTER_USAGE): Likewise.
3718 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3719 (machine_function): Likewise.
3721 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3723 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3724 (STACK_BOUNDARY): Likewise.
3725 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3727 * config/i386/i386.opt (mabi=): New.
3729 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3730 return enum calling_abi.
3731 (ix86_function_type_abi): Likewise.
3732 (ix86_function_abi): Removed.
3734 * doc/invoke.texi: Document -mabi= option for x86.
3736 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3738 * builtins.c (real_dconstp): Delete.
3739 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3741 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3742 Jakub Jelinek <jakub@redhat.com>
3745 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3746 (gen_subprogram_die): When a function is explicit, generate the
3747 DW_AT_explicit attribute.
3748 * langhooks.h (struct lang_hooks_for_decls): Add
3749 function_decl_explicit_p langhook.
3750 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3751 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3753 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3755 * builtins.c (fold_builtin_memory_op): Optimize memmove
3756 into memcpy if we can prove source and destination don't overlap.
3758 * tree-inline.c: Include gt-tree-inline.h.
3759 (clone_fn_id_num): New variable.
3760 (clone_function_name): New function.
3761 (tree_function_versioning): Use it.
3762 * Makefile.in (GTFILES): Add tree-inline.c.
3764 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3766 * BASE-VER: Change to 4.5.0.
3768 2009-03-27 Xinliang David Li <davidxl@google.com>
3770 PR tree-optimization/39557
3771 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3773 2009-03-27 Xinliang David Li <davidxl@google.com>
3775 PR tree-optimization/39548
3776 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3779 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3781 * c-common.c (pointer_int_sum): Use %wd on return from
3784 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3786 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3787 on return from tree_low_cst.
3789 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3792 * ginclude/stdarg.h (va_copy): Define also for
3793 __GXX_EXPERIMENTAL_CXX0X__.
3795 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3798 * builtins.h (c_strlen): Do not warn here.
3799 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3800 * c-common.c (pointer_int_sum): Take an explicit location.
3801 Warn about offsets out of bounds.
3802 * c-common.h (pointer_int_sum): Adjust declaration.
3804 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3806 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3809 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3812 * opts.c (warn_if_disallowed_function_p): Don't assume
3813 get_callee_fndecl must return non-NULL.
3815 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3817 PR rtl-optimization/39522
3818 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3819 when reg_reloaded_valid is set.
3821 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3823 * config/spu/divv2df3.c: New file.
3824 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3825 (DPBIT_FUNCS): Filter out _div_df.
3827 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3829 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3830 a jump insn, count that jump in the distance to the loop start.
3832 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
3835 * config/sh/sh.c (calc_live_regs): Fix condition for global
3836 registers except PIC_OFFSET_TABLE_REGNUM.
3838 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
3841 * doc/invoke.texi (-mconsole): New.
3845 (-mnop-fun-dllimport): New.
3849 (sub section "i386 and x86-64 Windows Options"): New.
3851 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
3853 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3854 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3856 2009-03-25 Richard Guenther <rguenther@suse.de>
3859 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3862 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
3864 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3865 neither of haifa/selective schedulers are working.
3867 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3869 * doc/invoke.texi (Debugging Options): Fix description of
3870 -fno-merge-debug-strings.
3872 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
3874 * config/cris/libgcc.ver: New version-script.
3875 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3877 * configure.ac <GAS features, nop mnemonic>: Add pattern
3878 crisv32-*-* for "nop".
3879 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3880 * configure: Regenerate.
3882 2009-03-24 Ira Rosen <irar@il.ibm.com>
3884 PR tree-optimization/39529
3885 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3886 mark_sym_for_renaming for the tag copied to the new vector
3889 2009-03-24 Arthur Loiret <aloiret@debian.org>
3891 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3892 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3893 EXTRA_SPEC_FUNCTIONS.
3894 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3895 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3896 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3897 -march and -mtune options.
3899 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
3901 * config/m68k/t-rtems: Add m5329 multilib.
3903 2009-03-24 Dodji Seketeli <dodji@redhat.com>
3904 Jakub Jelinek <jakub@redhat.com>
3907 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3910 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3913 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3914 instead of c_parser_expression_conv, if original_code isn't one of the
3915 4 allowed comparison codes, fail.
3917 2009-03-23 Richard Guenther <rguenther@suse.de>
3919 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3920 * tree.h (struct tree_type): Likewise.
3921 * reload.h (struct insn_chain): Likewise.
3922 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3923 * function.h (struct function): Likewise.
3924 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3926 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3928 PR tree-optimization/39516
3929 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3931 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
3933 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3934 should be set true if BITS_PER_WORD of target is bigger than 32
3936 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
3938 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3939 Translate -B-options to -rpath-link. Correct existing
3940 rpath-link and conditionalize on !nostdlib.
3942 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3944 * doc/extend.texi (Function Attributes, Variable Attributes):
3946 * doc/invoke.texi (Debugging Options, Optimize Options)
3947 (i386 and x86-64 Options, MCore Options): Likewise.
3949 2009-03-20 Jakub Jelinek <jakub@redhat.com>
3952 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3953 it for block local namespace aliases.
3954 (gen_decl_die): Pass context_die to gen_namespace_die.
3956 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3959 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3960 minimum or maximum value.
3962 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
3964 * reginfo.c (globalize_reg): Recompute derived reg sets.
3966 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
3969 * libgcc2.c (mprotect): Do not use signed arguments for
3970 VirtualProtect, use DWORD arguments. Also fix the 'may
3971 be used uninitialized' warning for the np variable.
3973 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3976 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3977 functions using regparm calling conventions when not optimizing.
3978 (ix86_function_sseregparm): Similarly for sseregparm calling
3981 2009-03-19 Li Feng <nemokingdom@gmail.com>
3984 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3985 dependence if the first conflict is after niter iterations.
3987 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
3990 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3991 functions with dynamic stack-pointer adjustments.
3993 2009-03-19 Ben Elliston <bje@au.ibm.com>
3995 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3996 option; change to -msdata=data.
3998 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4000 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4003 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
4006 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4008 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
4010 * doc/invoke.texi (Code Gen Options): Expand discussion of
4013 2009-03-18 Jakub Jelinek <jakub@redhat.com>
4015 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4016 * matrix-reorg.c (struct matrix_info): Likewise.
4017 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4018 * rtl.h (struct mem_attrs): Likewise.
4019 * df.h (struct df): Likewise.
4020 * tree-data-ref.h (struct data_dependence_relation): Likewise.
4021 * ira-int.h (struct ira_allocno): Likewise.
4022 * df-scan.c (struct df_collection_rec): Likewise.
4023 * ira.c (struct equivalence): Likewise.
4024 * function.c (struct temp_slot): Likewise.
4025 * cfgloop.h (struct loop): Likewise.
4028 * function.c (use_register_for_decl): When not optimizing, disregard
4029 register keyword for variables with types containing methods.
4031 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
4034 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4035 (is_simple_operand): Call contains_component_ref_p before calling data
4036 reference analysis that would fail on COMPONENT_REFs.
4038 * tree-vrp.c (search_for_addr_array): Fix formatting.
4040 2009-03-18 Richard Guenther <rguenther@suse.de>
4042 * tree-vect-transform.c (vect_loop_versioning): Fold the
4043 generated comparisons.
4044 * tree-vectorizer.c (set_prologue_iterations): Likewise.
4045 (slpeel_tree_peel_loop_to_edge): Likewise.
4047 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4050 * opts.c (print_specific_help): In addition to `undocumented',
4051 accept `separate' and `joined' flags if passed alone. Describe
4052 output by the first matched one of those.
4053 (common_handle_option): Skip over empty strings.
4054 * gcc.c (display_help): Fix help string for `--help='.
4055 * doc/invoke.texi (Option Summary, Overall Options): With
4056 `--help=', classes and qualifiers can both be repeated, but
4057 only the latter can be negated. One should not pass only
4058 negated qualifiers. Fix markup and examples.
4061 2008-10-14 Jakub Jelinek <jakub@redhat.com>
4063 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4064 and -fhelp=separate.
4066 2009-03-17 Jing Yu <jingyu@google.com>
4069 * function.h (struct rtl_data): Move is_thunk from here...
4070 (struct function): ...to here.
4071 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4072 * varasm.c (assemble_start_function): Change is_thunk from crtl to
4074 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4076 (alpha_does_function_need_gp, alpha_start_function): Likewise.
4077 (alpha_output_function_end_prologue): Likewise.
4078 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4079 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4080 (rs6000_output_function_epilogue): Likewise.
4081 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4083 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
4086 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4087 from different units in a single alternative.
4088 (*truncdfsf_i387): Ditto.
4089 (*truncxfsf2_mixed): Ditto.
4090 (*truncxfdf2_mixed): Ditto.
4092 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4094 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4095 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4098 * tree-ssa-live.c (remove_unused_locals): Don't remove local
4099 unused non-artificial variables when not optimizing.
4102 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4103 DW_TAG_imported_module even if decl is IMPORTED_DECL with
4104 NAMESPACE_DECL in its DECL_INITIAL.
4107 * optabs.c (set_user_assembler_libfunc): New function.
4108 * expr.h (set_user_assembler_libfunc): New prototype.
4109 * c-common.c: Include libfuncs.h.
4110 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4111 for memcmp, memset, memcpy, memmove and abort.
4112 * Makefile.in (c-common.o): Depend on libfuncs.h.
4115 * dwarf2out.c (gen_inlined_enumeration_type_die,
4116 gen_inlined_structure_type_die, gen_inlined_union_type_die,
4117 gen_tagged_type_instantiation_die): Removed.
4118 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4121 2009-03-17 Janis Johnson <janis187@us.ibm.com>
4124 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4126 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4127 (check-parallel-%): Ditto.
4128 (check-consistency): Ditto.
4130 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
4132 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4133 local variable rhs by NULL_TREE.
4135 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4138 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4140 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4143 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4145 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4148 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4149 for ms->sysv ABI calls only in 64bit mode.
4151 * config/i386/i386.md (untyped_call): Support 32bit.
4153 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
4155 * doc/extend.texi: Replace x86_65 with x86_64.
4157 2009-03-16 Jakub Jelinek <jakub@redhat.com>
4159 PR tree-optimization/39455
4160 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4161 mismatches for POINTER_TYPE_P (type).
4162 (number_of_iterations_le): Likewise.
4164 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4166 * config/picochip/picochip.c: Removed profiling support.
4167 * config/picochip/picochip.md: Removed profiling instruction.
4168 * config/picochip/picochip.h: Removed profiling builtin.
4170 2009-03-16 Joseph Myers <joseph@codesourcery.com>
4172 * doc/install.texi (--with-host-libstdcxx): Document.
4174 2009-03-14 Anatoly Sokolov <aesok@post.ru>
4177 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4178 generate a warning if the function name does not begin with
4179 "__vector" and the function has either the 'signal' or 'interrupt'
4180 attribute, from here to ...
4181 (avr_declare_function_name): ...here. New function.
4182 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4183 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4185 2009-03-14 Jakub Jelinek <jakub@redhat.com>
4188 * cse.c (fold_rtx): Don't modify original const_arg1 when
4189 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4190 separate variable instead.
4191 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4192 from out of range shift counts.
4193 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4195 2008-03-13 Catherine Moore <clm@codesourcery.com>
4197 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4198 diagnostic.h with $(DIAGNOSTIC_H).
4200 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4203 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4205 * config/i386/sync.md (sync_compare_and_swap<mode>,
4206 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4207 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4209 (sync_double_compare_and_swapdi_pic,
4210 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4211 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4213 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4216 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4218 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4221 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4222 (avx_addsubv4df3): Likewise.
4223 (*avx_addsubv4sf3): Likewise.
4224 (sse3_addsubv4sf3): Likewise.
4226 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4229 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4231 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4234 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4235 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4236 registers for allocnos created from user-defined variables.
4238 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4241 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4242 of non-integer mode as well.
4244 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4246 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4247 for functions for which the parameter types are unknown.
4249 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4252 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4253 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4254 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4255 * config/i386/i386.c (ix86_local_alignment): For
4256 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4257 long long variables on the stack to avoid dynamic realignment.
4258 Allow the first argument to be a decl rather than type.
4259 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4261 2009-03-11 Nick Clifton <nickc@redhat.com>
4264 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4266 Add description to mno-lsim option.
4267 * config/mcore/mcore.h: Remove comment about deprecated m4align
4269 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4270 * doc/invoke.texi: Add description of mno-lsim and
4271 mstack-increment options.
4273 * config/fr30/fr30.opt: Document the -mno-lsim option.
4274 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4275 and -mno-lsim options.
4277 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4279 * fold-const.c (fold_comparison): Only call fold_inf_compare
4280 if the mode supports infinities.
4282 2009-03-11 Jason Merrill <jason@redhat.com>
4285 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4286 end already did. Notice GIMPLE_CALL modifications of the result.
4287 Don't copy debug information from an ignored decl or a decl from
4290 2009-03-10 Richard Guenther <rguenther@suse.de>
4291 Nathan Froyd <froydnj@codesourcery.com>
4294 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4295 (__divMODE3): Likewise.
4297 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4299 PR tree-optimization/39394
4300 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4301 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4303 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4305 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4306 inline asms for register asm ("") declarations.
4308 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4310 * fold-const.c (fold_unary): Fix comment.
4312 2009-03-07 Jan Hubicka <jh@suse.cz>
4315 * tree-inline.c (setup_one_parameter): Do replacement of const
4316 argument by constant in SSA form.
4318 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4321 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4322 determine alignment passed to assign_stack_local.
4323 (assign_parms_unsplit_complex): Likewise.
4324 * except.c (sjlj_build_landing_pads): Likewise.
4326 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4329 * tree-flow.h (add_referenced_var): Return bool instead of void.
4330 * tree-dfa.c (add_referenced_var): Return result of
4331 referenced_var_check_and_insert call.
4332 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4333 of referenced_var_check_and_insert.
4336 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4337 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4338 DIE, don't emit it if abstract origin already has it.
4339 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4340 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4342 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4344 * genpreds.c (needs_variable): Fix parentheses at variable name
4346 (write_tm_constrs_h): Indent generated code.
4348 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4350 * doc/extend.texi (Function Attributes): Add documentation
4353 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4356 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4357 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4359 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4361 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4364 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4367 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4368 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4370 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4372 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4373 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4374 constants instead of magic numbers.
4375 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4377 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4378 (x86_64_ms_abi_int_parameter_registers): Ditto.
4379 (x86_64_int_return_registers): Ditto.
4380 (ix86_maybe_switch_abi): Ditto.
4381 (ix86_expand_call): Ditto for clobbered_registers array.
4382 (ix86_hard_regno_mode_ok): Ditto.
4383 (x86_extended_QIreg_mentioned_p): Ditto.
4385 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4387 PR tree-optimization/39349
4388 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4390 * combine.c (gen_lowpart_for_combine): Use omode when generating
4393 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4395 PR rtl-optimization/39235
4396 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4398 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4400 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4402 2009-03-04 Richard Guenther <rguenther@suse.de>
4404 PR tree-optimization/39362
4405 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4406 that occur in abnormal PHIs should be varying.
4408 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4410 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4412 (simple_iv): Take loop as an argument instead of statement.
4413 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4414 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4416 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4418 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4419 * matrix-reorg.c (analyze_transpose): Ditto.
4420 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4421 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4422 * tree-predcom.c (ref_at_iteration): Ditto.
4423 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4425 2009-03-04 Richard Guenther <rguenther@suse.de>
4427 PR tree-optimization/39358
4428 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4429 escaped_id and callused_id.
4430 (solve_graph): Likewise.
4432 2009-03-04 Richard Guenther <rguenther@suse.de>
4434 PR tree-optimization/39339
4435 * tree-sra.c (try_instantiate_multiple_fields): Make it
4436 no longer ICE on the above.
4438 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4440 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4441 that fits within Pmode.
4443 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4446 * tm.texi (LIBCALL_VALUE): Update description.
4448 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4451 * doc/extend.texi (section): Update description.
4453 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4456 * tree-inline.c (remapped_type): New.
4457 (can_be_nonlocal): Call remapped_type instead of remap_type.
4459 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4462 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4463 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4465 2009-03-03 Richard Guenther <rguenther@suse.de>
4468 * tree.c (tree_nonartificial_location): New function.
4469 * tree.h (tree_nonartificial_location): Declare.
4470 * builtins.c (expand_builtin_memory_chk): Provide location
4471 of the call location for artificial function pieces.
4472 (maybe_emit_chk_warning): Likewise.
4473 (maybe_emit_sprintf_chk_warning): Likewise.
4474 (maybe_emit_free_warning): Likewise.
4475 * expr.c (expand_expr_real_1): Likewise.
4477 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4479 PR tree-optimization/39343
4480 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4481 COMPONENT_REF t has ARRAY_TYPE.
4483 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4486 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4487 when the type precision of the induction variable should be
4488 larger than the type precision of nit.
4489 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4490 * graphite.c (graphite_loop_normal_form): Same.
4491 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4493 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4495 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4496 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4497 numbers to describe clobbered registers.
4498 (*call_value_0_rex64_ms_sysv): Ditto.
4499 * config/i386/mmx.md (mmx_emms): Ditto.
4502 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4504 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4507 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4509 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4510 (spu_section_type_flags): New function.
4512 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4514 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4515 reg_class_contents of FLOAT_REGS into a temporary.
4517 2009-03-02 Richard Guenther <rguenther@suse.de>
4518 Ira Rosen <irar@il.ibm.com>
4520 PR tree-optimization/39318
4521 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4522 information to the vectorized statement.
4524 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4526 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4527 variable. Use defined names instead of magic constants for REX SSE
4530 2009-03-01 Richard Guenther <rguenther@suse.de>
4532 PR tree-optimization/39331
4533 * omp-low.c (lower_send_shared_vars): Do not receive new
4534 values for the reference of DECL_BY_REFERENCE parms or results.
4536 2009-03-01 Jan Hubicka <jh@suse.cz>
4539 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4540 BLOCK_NONLOCALIZED_VAR): New macros.
4541 (tree_block): Add nonlocalized_vars.
4542 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4543 gen_decl_die): Add origin argument. Allow generation of die with
4544 origin at hand only.
4545 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4546 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4548 (gen_block_die): Fix checking for unused blocks.
4549 (process_scope_var): Break out from .... ; work with origins only.
4550 (decls_for_scope) ... here; process nonlocalized list.
4551 (dwarf2out_ignore_block): Look for nonlocalized vars.
4552 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4554 (dump_scope_block): Dump them.
4555 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4556 (remap_block): Likewise.
4557 (can_be_nonlocal): New predicate.
4558 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4560 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4562 * configure: Regenerate.
4564 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4566 * optc-gen.awk: No need to duplicate option flags twice.
4567 Reuse help texts for duplicate options which do not have any.
4569 * gcc.c (display_help): Document --version.
4571 * gcc.c (main): If print_help_list and verbose_flag, ensure
4572 driver output comes before subprocess output.
4574 * optc-gen.awk: Assign all remaining fields to help string,
4575 space-separated, for multi-line help in *.opt.
4577 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4578 -Wno-pedantic-ms-format is for MinGW targets only.
4580 * doc/options.texi (Option file format): Fix bad indentation,
4581 restoring dropped sentence.
4583 2009-02-28 Jan Hubicka <jh@suse.cz>
4585 * tree-inline.c (tree_function_versioning): Output debug info.
4587 2009-02-28 Jan Hubicka <jh@suse.cz>
4590 * tree-inline.c (setup_one_parameter): Do not copy propagate
4591 arguments when not optimizing.
4593 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4596 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4597 (avx_addsubv4df3): Likewise.
4598 (*avx_addsubv4sf3): Likewise.
4599 (sse3_addsubv4sf3): Likewise.
4600 (*avx_addsubv2df3): Likewise.
4601 (sse3_addsubv2df3): Likewise.
4602 (avx_unpckhps256): Correct item selectors.
4603 (avx_unpcklps256): Likewise.
4604 (avx_unpckhpd256): Likewise.
4605 (avx_unpcklpd256): Likewise.
4607 2009-02-28 Jan Hubicka <jh@suse.cz>
4609 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4611 (copy_arguments_for_versioning): If var is declared don't declare it.
4612 (tree_function_versioning): First setup substitutions and then copy
4615 2009-02-27 Jan Hubicka <jh@suse.cz>
4618 * cgraph.h (varpool_output_debug_info): Remove.
4619 * cgraphunit.c (varpool_output_debug_info): Remove.
4620 * dwarf2out.c (deferred_locations_struct): New struct
4621 (deferred_locations): New type.
4622 (deferred_locations_list): New static var.
4623 (deffer_location): New function.
4624 (gen_variable_die): Use it.
4625 (decls_for_scope): Output info on local static vars.
4626 (dwarf2out_finish): Process deferred locations.
4627 * varpool.c (varpool_output_debug_info): Remove.
4629 2009-02-27 Jan Hubicka <jh@suse.cz>
4632 * tree.h (TREE_PROTECTED): Fix comment.
4633 (BLOCK_HANDLER_BLOCK): Remove.
4634 (struct tree_block): Remove handler_block add body_block.
4635 (inlined_function_outer_scope_p): New.
4636 (is_body_block): Remove.
4637 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4638 * dwarf2out.c (is_inlined_entry_point): Remove.
4639 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4640 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4642 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4643 * gimplify.c (gimplify_expr): Gimplify body blocks.
4644 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4645 block with multiple subblocks.
4646 (dump_scope_block): Prettier output; dump more flags and info.
4647 (dump_scope_blocks): New.
4648 (remove_unused_locals): Use dump_scope_blocks.
4649 * tree-flow.h (dump_scope_blocks): Declare.
4650 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4651 * stmt.c (is_body_block): Remove.
4652 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4653 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4655 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4658 * graphite.c (graphite_loop_normal_form): Do not call
4659 number_of_iterations_exit from a gcc_assert.
4661 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4663 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4664 jumps if COND is NULL.
4665 (find_cond_jump): New function.
4666 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4667 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4669 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4671 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4672 force_const_mem returns NULL_RTX.
4674 2009-02-26 Jan Hubicka <jh@suse.cz>
4677 * cgraph.h (varpool_output_debug_info): Remove.
4678 * cgraphunit.c (varpool_output_debug_info): Remove.
4679 * dwarf2out.c (deferred_locations_struct): New struct
4680 (deferred_locations): New type.
4681 (deferred_locations_list): New static var.
4682 (deffer_location): New function.
4683 (gen_variable_die): Use it.
4684 (decls_for_scope): Output info on local static vars.
4685 (dwarf2out_finish): Process deferred locations.
4686 * varpool.c (varpool_output_debug_info): Remove.
4688 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4690 PR rtl-optimization/39241
4691 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4692 to subreg_offset_representable_p.
4694 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4696 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4697 execute function prototype. Get f and nregs from max_reg_num
4698 and get_insns. Remove the first backward pass as it's dead,
4699 guard the forward pass by flag_expensive_optimizations.
4700 (rest_of_handle_regmove): Delete.
4701 (pass_regmove): Replace it with regmove_optimize.
4703 2009-02-25 Martin Jambor <mjambor@suse.cz>
4705 PR tree-optimization/39259
4706 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4707 calls_alloca function flags.
4708 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4711 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4713 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4714 flags_set_1_rtx, flags_set_1_set): Delete.
4715 (regmove_optimize): Do not call mark_flags_life_zones.
4717 2009-02-24 Julian Brown <julian@codesourcery.com>
4720 * config/arm/arm.c (require_pic_register): Only set
4721 cfun->machine->pic_reg once per function.
4723 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4725 * doc/invoke.texi (Link Options): Document an easier way to pass
4726 options that take arguments to the GNU linker using -Xlinker and -Wl.
4728 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4731 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4733 2009-02-24 Richard Guenther <rguenther@suse.de>
4736 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4738 2009-02-24 Richard Guenther <rguenther@suse.de>
4739 Zdenek Dvorak <ook@ucw.cz>
4741 PR tree-optimization/39233
4742 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4743 from converting them to a generic type.
4745 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4747 PR tree-optimization/39260
4748 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4749 contains a condition with a real type.
4750 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4752 2009-02-23 Jason Merrill <jason@redhat.com>
4755 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4756 narrowing_initializer_constant_valid_p.
4757 (narrowing_initializer_constant_valid_p): Don't return
4758 null_pointer_node for adding a pointer to itself.
4760 2009-02-23 Jan Hubicka <jh@suse.cz>
4763 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4766 2009-02-23 Jan Hubicka <jh@suse.cz>
4768 PR tree-optimization/37709
4769 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4770 * tree.h (block_ultimate_origin): Declare.
4771 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4772 * tree-ssa-live.c (remove_unused_scope_block_p):
4773 Eliminate blocks containig no instructions nor live variables nor
4775 (dump_scope_block): New function.
4776 (remove_unused_locals): Enable removal of dead blocks by default;
4777 enable dumping at TDF_DETAILS.
4779 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4781 * config/i386/i386.c (classify_argument): Don't allow COImode
4783 (function_arg_advance_32): Don't allow OImode.
4784 (function_arg_32): Likewise.
4785 (function_value_32): Likewise.
4786 (return_in_memory_32): Likewise.
4787 (function_arg_64): Remove OImode comment.
4789 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4792 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4793 ix86_expand_vector_set for V4DImode in 64bit mode only.
4794 (ix86_expand_vector_init_one_var): Likewise.
4796 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4798 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4800 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4803 * loop-iv.c: Revert last change.
4804 * emit-rtl.c: Likewise.
4806 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4809 * config/i386/i386.c (type_natural_mode): Remove an extra
4810 space in the warning message.
4811 (function_value_32): Handle 32-byte vector modes.
4812 (return_in_memory_32): Likewise.
4814 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4816 * loop-iv.c (truncate_value): New function.
4817 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4819 (lowpart_subreg): Move to...
4820 * emit-rtl.c: ...here.
4822 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
4824 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4825 accidental and undocumented change at revision 140860.
4827 2009-02-21 Joseph Myers <joseph@codesourcery.com>
4829 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4830 take gimple_seq * arguments.
4831 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4832 types_compatible_p langhook.
4834 2009-02-20 Mark Mitchell <mark@codesourcery.com>
4835 Joseph Myers <joseph@codesourcery.com>
4837 * config/arm/arm.c (arm_builtin_va_list): New function.
4838 (arm_expand_builtin_va_start): Likewise.
4839 (arm_gimplify_va_arg_expr): Likewise.
4840 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4841 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4842 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4843 (va_list_type): New variable.
4844 (arm_mangle_type): Mangle va_list_type appropriately.
4846 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4849 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4850 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4851 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4852 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4853 parameter to 1000 for -O1 by default.
4854 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4856 * loop-invariant.c: Include params.h.
4857 (move_loop_invariants): Don't call move_single_loop_invariants on
4860 2009-02-20 Jaka Mocnik <jaka@xlab.si>
4862 * calls.c (emit_library_call_value_1): Use slot_offset instead of
4863 offset when calculating bounds for indexing stack_usage_map. Fixes
4864 a buffer overflow with certain target setups.
4866 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4869 * calls.c (expand_call): Clear try_tail_call if caller and callee
4870 disagree in promotion of function return value.
4872 2009-02-19 Jakub Jelinek <jakub@redhat.com>
4875 * c-common.c (c_determine_visibility): If visibility changed and
4876 DECL_RTL has been already set, call make_decl_rtl to update symbol
4879 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
4882 * varasm.c (assemble_variable): Don't check DECL_NAME when
4883 globalizing a variable.
4885 2009-02-19 Joseph Myers <joseph@codesourcery.com>
4888 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4889 expression before any __builtin_trap call.
4890 * c-typeck.c (build_function_call): Convert and check function
4891 arguments before generating a call to a trap. Evaluate the
4892 function arguments before the trap.
4894 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
4897 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4898 (UNSPEC_FXAM_MEM): New unspec.
4899 (fxam<mode>2_i387_with_temp): New insn and split pattern.
4900 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
4901 memory using fxam<mode>2_i387_with_temp to remove excess precision.
4903 2009-02-19 Richard Guenther <rguenther@suse.de>
4905 PR tree-optimization/39207
4906 PR tree-optimization/39074
4907 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4908 storedanything_tree): New.
4909 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
4910 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4911 (build_succ_graph): Add edges from STOREDANYTHING to all
4913 (init_base_vars): Initialize STOREDANYTHING.
4914 (compute_points_to_sets): Free substitution info after
4915 building the succ graph.
4916 (ipa_pta_execute): Likewise.
4918 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4920 (do_ds_constraint): Do not add to special var or non-pointer
4922 (type_could_have_pointers): Split out from ...
4923 (could_have_pointers): ... here. For arrays use the element type.
4924 (create_variable_info_for): Initialize may_have_pointers.
4925 (new_var_info): Likewise.
4926 (handle_lhs_call): Make the HEAP variable unknown-sized.
4927 (intra_create_variable_infos): Use a type with pointers for
4928 PARM_NOALIAS, make it unknown-sized.
4930 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
4933 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4935 2009-02-18 Jason Merrill <jason@redhat.com>
4938 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4939 value if DECL_EXTERNAL.
4940 * tree-sra.c (sra_walk_gimple_assign): Likewise.
4941 * target.h (gcc_target::binds_local_p): Clarify "module".
4942 * tree.h (TREE_PUBLIC): Clarify "module".
4944 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
4947 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4948 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4950 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
4953 * c.opt (Wabi): Support C and ObjC.
4956 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4958 * config/i386/i386.c (classify_argument): Warn once about the ABI
4959 change when passing union with long double.
4961 * doc/invoke.texi: Update -Wabi for warning psABI changes.
4963 2009-02-18 Joseph Myers <joseph@codesourcery.com>
4966 * c-parser.c (c_parser_compound_statement): Always enter and leave
4969 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4972 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4974 2009-02-18 Jakub Jelinek <jakub@redhat.com>
4976 PR tree-optimization/36922
4977 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4978 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4981 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4983 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4986 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4988 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4990 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4992 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4995 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4996 Richard Sandiford <rdsandiford@googlemail.com>
4998 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4999 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5000 (loongson_biadd): ...this.
5002 2009-02-17 Richard Guenther <rguenther@suse.de>
5004 PR tree-optimization/39202
5005 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5006 a var make sure to follow existing collapses.
5008 2009-02-17 Richard Guenther <rguenther@suse.de>
5011 * langhooks.c (lhd_print_error_function): Check for NULL block.
5013 2009-02-17 Richard Guenther <rguenther@suse.de>
5015 PR tree-optimization/39204
5016 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5019 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
5021 * config/soft-fp/double.h: Update from glibc CVS.
5023 2009-02-17 Richard Guenther <rguenther@suse.de>
5025 PR tree-optimization/39207
5026 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5027 strict-aliasing warnings for pointers pointing to NULL.
5029 2009-02-16 Joseph Myers <joseph@codesourcery.com>
5032 * c-parser.c (c_parser_braced_init): Call pop_init_level when
5033 skipping until next close brace.
5035 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
5038 * config/i386/i386.c (ix86_expand_push): Set memory alignment
5039 to function argument boundary.
5041 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5043 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5044 in the lea_add. Reload eventually constraints it properly.
5045 * config/picochip/constraints.md : Remove the target constraint
5046 "b", since it is not needed anymore.
5048 2009-02-16 Jakub Jelinek <jakub@redhat.com>
5050 * gthr-dce.h: Uglify function parameter and local variable names.
5051 * gthr-gnat.h: Likewise.
5052 * gthr-mipssde.h: Likewise.
5053 * gthr-nks.h: Likewise.
5054 * gthr-posix95.h: Likewise.
5055 * gthr-posix.h: Likewise.
5056 * gthr-rtems.h: Likewise.
5057 * gthr-single.h: Likewise.
5058 * gthr-solaris.h: Likewise.
5059 * gthr-tpf.h: Likewise.
5060 * gthr-vxworks.h: Likewise.
5061 * gthr-win32.h: Likewise.
5063 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
5066 * config/i386/i386.md: Restrict the new peephole2 to move
5067 between MMX/SSE registers.
5069 2009-02-15 Richard Guenther <rguenther@suse.de>
5072 2009-02-13 Richard Guenther <rguenther@suse.de>
5074 * configure.ac: Enable LFS.
5075 * configure: Re-generate.
5076 * config.in: Likewise.
5078 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5080 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5081 spu_srqwbyte, spu_srqwbytebc): Define.
5082 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5083 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5084 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5085 "shrqby_<mode>"): New insn-and-split patterns.
5086 * config/spu/spu.c (expand_builtin_args): Determine and return
5087 number of operands using spu_builtin_description data.
5088 (spu_expand_builtin_1): Use it.
5090 2009-02-13 Steve Ellcey <sje@cup.hp.com>
5093 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5096 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5099 * config/i386/i386.c (override_options): Correct warning
5100 messages for -malign-loops, -malign-jumps and -malign-functions.
5102 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5105 * config/i386/i386.md: Restrict the new peephole2 to move
5106 between the general purpose registers.
5108 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5111 * config/i386/i386.c (type_natural_mode): Add a new argument.
5112 Return the original mode and warn ABI change if vector size is 32byte.
5113 (function_arg_advance): Updated.
5114 (function_arg): Likewise.
5115 (ix86_function_value): Likewise.
5116 (ix86_return_in_memory): Likewise.
5117 (ix86_sol10_return_in_memory): Likewise.
5118 (ix86_gimplify_va_arg): Likewise.
5119 (function_arg_32): Don't warn ABX ABI change here.
5120 (function_arg_64): Likewise.
5122 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
5124 * loop-iv.c (implies_p): In the final case, test that operands 0
5125 of the two comparisons match.
5127 * config/bfin/bfin.c (find_prev_insn_start): New function.
5128 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5129 (find_next_insn_start): Move.
5131 2009-02-13 Richard Guenther <rguenther@suse.de>
5133 * configure.ac: Enable LFS.
5134 * configure: Re-generate.
5135 * config.in: Likewise.
5137 2009-02-13 Joseph Myers <joseph@codesourcery.com>
5140 * c-parser.c (c_parser_parms_list_declarator): Discard pending
5141 sizes on syntax error after some arguments have been parsed.
5143 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5145 * doc/invoke.texi (-fira): Remove.
5147 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5149 * caller-save.c: Replace regclass.c with reginfo.c in comments.
5150 * recog.c: Likewise.
5153 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
5155 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5156 (umul_ppmm): Likewise.
5157 (count_leading_zeros): Likewise.
5158 (count_trailing_zeros): Likewise.
5159 (UMUL_TIME): Likewise.
5161 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5163 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5164 soft-fp/t-softfp to tmake_file.
5166 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5167 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5168 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5169 IA64_BUILTIN_INFQ]: New.
5170 (ia64_init_builtins): Initialize __builtin_infq,
5171 __builtin_fabsq and __builtin_copysignq if not HPUX.
5172 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5173 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5175 * config/ia64/lib1funcs.asm (__divtf3): Define only if
5177 (__fixtfti): Likewise.
5178 (__fixunstfti): Likewise.
5179 (__floattitf): Likewise.
5181 * config/ia64/libgcc-glibc.ver: New.
5182 * config/ia64/t-fprules-softfp: Likewise.
5183 * config/ia64/sfp-machine.h: Likewise.
5185 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5186 (LIBGCC2_TF_CEXT): Likewise.
5187 (TF_SIZE): Likewise.
5188 (TARGET_INIT_LIBFUNCS): Likewise.
5190 * config/ia64/t-glibc (SHLINB_MAPFILES):
5191 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5193 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5195 * config/i386/i386.c (construct_container): Rewrite processing
5196 BLKmode with X86_64_SSE_CLASS.
5198 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5201 * config/i386/i386.md: Replace simplify_replace_rtx with
5202 replace_rtx in the new peephole2.
5204 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5206 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5207 loop unrolling do not happen at -O2.
5209 2009-02-12 Michael Matz <matz@suse.de>
5211 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5213 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5215 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5218 2009-02-12 Ben Elliston <bje@au.ibm.com>
5220 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5221 patterns when updating the back chain. Missed in the 2009-02-10
5224 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5226 * doc/extend.texi (Decimal Floating Types): Update identifier of
5227 draft TR and list of missing support.
5229 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5232 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5233 bit to variable length decl's flags, add it also to its
5234 pointer replacement variable.
5236 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5237 Jakub Jelinek <jakub@redhat.com>
5240 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5241 (memory_blockage): New expander.
5242 (*memory_blockage): New insn pattern.
5243 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5244 instead of general blockage at the end of function prologue when
5245 frame pointer is used to access red zone area. Do not emit blockage
5246 when profiling, it is emitted in generic code.
5247 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5248 function epilogue when frame pointer is used to access red zone area.
5250 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5253 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5254 by arithmetic with memory operands.
5255 * config/i386/predicates.md (commutative_operator): New.
5257 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5259 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5262 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5264 * alias.h (record_alias_subset): Declare.
5265 * alias.c (record_alias_subset): Make global.
5267 2009-02-10 Nick Clifton <nickc@redhat.com>
5269 * tree-parloops.c: Change license to GPLv3.
5270 * ipa-struct-reorg.c: Change license to GPLv3.
5271 * ipa-struct-reorg.h: Change license to GPLv3.
5273 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5276 * c-decl.c (start_struct): Return NULL on error.
5278 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5281 * cfgloopmanip.c (remove_path): Call remove_bbs after
5282 cancel_loop_tree, not before it.
5285 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5286 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5287 VAR_DECLs were seen.
5288 * tree-ssa-live.c (remove_unused_locals): Recompute
5289 cfun->has_local_explicit_reg_vars.
5290 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5291 copies or clearings if cfun->has_local_explicit_reg_vars.
5293 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5296 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5297 of function prologue when frame pointer is used to access
5300 2009-02-10 Richard Guenther <rguenther@suse.de>
5303 * gimplify.c (gimple_regimplify_operands): Always look if
5304 we need to create a temporary.
5306 2009-02-10 Richard Guenther <rguenther@suse.de>
5308 PR tree-optimization/39132
5309 * tree-loop-distribution.c (todo): New global var.
5310 (generate_memset_zero): Trigger TODO_rebuild_alias.
5311 (tree_loop_distribution): Return todo.
5313 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5316 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5317 (x86_64_reg_class_name): Removed.
5318 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5319 first one isn't X86_64_SSE_CLASS or any other ones aren't
5320 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5321 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5322 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5323 and 3 X86_64_SSEUP_CLASS.
5324 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5325 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5327 2009-02-10 Ben Elliston <bje@au.ibm.com>
5329 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5330 form instruction to update the stack back chain word, even if the
5331 user has disabled the generation of update instructions.
5332 (movdi_<mode>_update_stack): New.
5333 (movsi_update_stack): Likewise.
5334 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5335 always use an update form instruction to update the stack back
5338 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5341 * graphite.c (if_region_set_false_region): After moving a region in
5342 the false branch of a condition, remove the empty dummy basic block.
5343 (gloog): Remove wrong fix for PR38953.
5345 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5347 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5348 generation due to implicit sign extension.
5350 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5353 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5354 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5356 2009-02-09 Richard Guenther <rguenther@suse.de>
5359 * convert.c (convert_to_real): Disable (float)fn((double)x)
5360 to fnf(x) conversion if errno differences may occur and
5361 -fmath-errno is set.
5363 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5365 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5366 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5367 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5369 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5372 * c-common.c (handle_alias_attribute): Disallow attribute for
5373 anything not a FUNCTION_DECL or VAR_DECL.
5375 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5378 * real.c (do_compare): Special-case compare of zero against
5379 decimal float value.
5381 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5384 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5385 as indicating flexible array members unless the field itself is
5386 being declarared as the incomplete array.
5388 2009-02-06 Jan Hubicka <jh@suse.cz>
5390 PR tree-optimization/38844
5391 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5394 2009-02-06 Richard Guenther <rguenther@suse.de>
5397 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5398 fork because we may expand it as __gcov_fork.
5400 2009-02-06 Nick Clifton <nickc@redhat.com>
5402 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5404 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5406 PR tree-optimization/35659
5407 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5408 vn_phi_eq): Shortcut if hashcode does not match.
5409 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5411 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5412 and avoid iterative_hash_expr.
5413 (FOR_EACH_VALUE_ID_IN_SET): New.
5414 (value_id_compare): Remove.
5415 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5416 sort expressions by value id.
5418 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5421 * config/sh/predicates.md (general_movsrc_operand): Don't check
5422 the subreg of system registers here.
5424 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5427 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5430 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5432 PR rtl-optimization/39110
5433 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5434 addresses, not aligned ones.
5436 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5437 Richard Guenther <rguenther@suse.de>
5439 PR tree-optimization/39100
5440 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5441 comment says and add edges.
5443 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5446 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5447 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5449 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5451 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5452 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5453 register_bb_in_sese, new_sese, free_sese): Moved.
5454 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5455 outermost_loop_in_scop, build_scop_iteration_domain,
5456 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5457 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5458 Use loop_in_sese_p instead of loop_in_scop_p.
5459 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5460 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5461 (scopdet_basic_block_info): Fix bug in scop detection.
5462 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5463 eq_loop_to_cloog_loop): Remove.
5464 (nb_loops_around_loop_in_scop, nb_loop
5465 ref_nb_loops): Moved here...
5466 * graphite.h (ref_nb_loops): ... from here.
5467 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5468 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5469 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5470 * testsuite/gcc.dg/graphite/scop-19.c: New
5472 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5473 Hans-Peter Nilsson <hp@axis.com>
5475 PR rtl-optimization/37889
5476 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5477 Move offset handling from PLUS to before the switch. Use new
5478 arguments when considering SYMBOL_REFs too.
5479 (rtx_addr_can_trap_p): Pass dummy offset and size.
5480 (enum may_trap_p_flags): Remove.
5481 (may_trap_p_1): Pass size from MEM_SIZE.
5483 PR rtl-optimization/38921
5484 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5485 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5486 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5487 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5489 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5491 AVX Programming Reference (January, 2009)
5492 * config/i386/sse.md (*vpclmulqdq): New.
5494 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5496 PR tree-optimization/38977
5497 PR gcov-profile/38292
5498 * calls.c (special_function_p): Disregard __builtin_ prefix.
5500 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5502 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5503 non-indexable addresses even before reload.
5505 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5508 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5509 as having variable size. Do not give an error for unnamed
5510 parameters with [*] declarators. Give a warning for type names
5511 with [*] declarators and mark them as variable size.
5512 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5513 for sizeof applied to [*] type names.
5515 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5518 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5520 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5522 * gcc.c (process_command): Update copyright notice dates.
5523 * gcov.c (print_version): Likewise.
5524 * gcov-dump.c (print_version): Likewise.
5525 * mips-tfile.c (main): Likewise.
5526 * mips-tdump.c (main): Likewise.
5528 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5531 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5532 for composite type involving a zero-length array type.
5534 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5537 * function.c (match_asm_constraints_1): Skip over
5538 initial optional % in the constraint.
5541 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5542 supported, don't accept FIXED_CSTs.
5543 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5544 and _Sat is used without _Fract/_Accum. Set specs->type to
5545 integer_type_node for cts_fract/cts_accum if fixed point is not
5548 2009-02-02 Catherine Moore <clm@codesourcery.com>
5550 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5552 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5554 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5555 (ABI_HAS_64BIT_SYMBOLS): Use it.
5556 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5558 2009-02-02 Paul Brook <paul@codesourcery.com>
5560 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5562 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5565 * recog.h (asm_operand_ok): Add constraints argument.
5566 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5567 recurse on matching constraint.
5568 (check_asm_operands): Pass constraints as 3rd argument to
5569 asm_operand_ok. Don't look up matching constraint here.
5570 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5573 2009-02-02 Ben Elliston <bje@au.ibm.com>
5575 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5576 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5578 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5580 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5581 information. Remove some obsolete information. Reorganize.
5583 * config/pa/fptr.c: Revert license to GPL 2.
5584 * config/pa/milli64.S: Likewise.
5586 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5589 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5590 LIBRARY name in, instead of hard-coding it.
5591 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5592 extra target make frag to tmake_files according to EH model.
5593 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5594 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5595 frags that define makefile variable EH_MODEL appropriately.
5596 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5597 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5598 to "-sjlj" according to type of EH configured.
5599 (LIBGCC_SONAME): Concatenate it to shared library base name.
5600 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5601 to "_sjlj" according to type of EH configured.
5602 (LIBGCC_SONAME): Concatenate it to shared library base name.
5603 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5604 (SHLIB_LINK): Add missing semicolon to if-else construct.
5605 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5606 string value of "pe_dll" command-line option.
5607 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5608 (SHLIB_SONAME): Use it when overriding t-cygming default.
5609 (SHLIB_IMPLIB): Override t-cygming default.
5610 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5611 string value of "pe_dll" command-line option.
5613 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5616 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5617 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5619 2009-01-31 Richard Guenther <rguenther@suse.de>
5621 PR tree-optimization/38937
5622 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5623 computing the transitive closure.
5625 2009-01-30 Richard Guenther <rguenther@suse.de>
5627 PR tree-optimization/39041
5628 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5629 Propagate variable indices only if the types match for this stmt.
5631 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5634 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5635 inline but never defined.
5637 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5639 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5640 (*insv_h_di_reg_extimm): New insn.
5641 (*insv_l<mode>_reg_extimm): New insn.
5643 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5645 * config/picochip/picochip.c (flag_conserve_stack): set
5646 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5647 fconserve-stack. Reduce call-overhead used by inliner.
5649 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5652 * common.opt (flag_conserve_stack): Initialised to zero.
5654 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5657 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5658 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5661 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5663 * ira-color.c (allocno_reload_assign): Update comments.
5664 * regmove.c (regmove_optimize): Likewise.
5668 2009-01-29 Robert Millan <rmh@aybabtu.com>
5670 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5671 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5672 `MD_UNWIND_SUPPORT'.
5673 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5675 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5677 PR tree-optimization/39007
5678 * tree-loop-distribution.c (generate_builtin): Use
5679 recompute_dominator to compute the immediate dominator of the
5680 basic block just after the loop.
5682 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5684 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5685 (ASM_OUTPUT_DWARF_PCREL): Define.
5687 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5689 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5690 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5691 global. Modify entries about regmove and IRA.
5693 * ra-conflict.c: Remove the file.
5695 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5697 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5698 (pass_regclass_init): Rename to pass_reginfo_init.
5700 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5702 * toplev.h (flag_ira): Remove.
5704 * caller-save.c (setup_save_areas): Remove flag_ira.
5706 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5708 * global.c: Remove the file.
5710 * opts.c (decode_options): Remove flag_ira.
5712 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5714 * regmove.c: Modify file description.
5715 (find_use_as_address, try_auto_increment): Define them only if
5716 AUTO_INC_DEC is defined.
5717 (replacement_quality, replace_in_call_usage, fixup_match_1,
5718 stable_and_no_regs_but_for_p): Remove.
5719 (reg_set_in_bb): Make it static.
5720 (regmove_optimize): Remove flag_ira and code which worked for
5723 * local-alloc.c: Remove the file.
5725 * common.opt (fira): Remove.
5727 * ira.c: Include except.h.
5728 (eliminable_regset): Move from global.c.
5729 (mark_elimination): Ditto. Remove flag_ira.
5730 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5731 equiv_mem_modified, validate_equiv_mem_from_store,
5732 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5733 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5734 no_equiv, recorded_label_ref): Move from local-alloc.c.
5735 (update_equiv_regs): Ditto. Make it static.
5736 (print_insn_chain, print_insn_chains): Move it from global.c.
5737 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5738 (build_insn_chain): Ditto. Make it static.
5739 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5740 Rename to init_live_subregs.
5741 (gate_ira): Remove flag_ira.
5743 * regclass.c: Rename reginfo.c. Change file description.
5744 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5745 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5746 (init_reg_sets_1): Remove code for evaluation of
5747 reg_class_superclasses and losing_caller_save_reg_set.
5748 (init_regs): Remove init_reg_autoinc.
5749 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5750 ok_for_base_p_nonstrict): Remove.
5751 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5752 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5753 corresponding entries.
5754 (dump_regclass, record_operand_costs, scan_one_insn,
5755 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5756 record_address_regs, auto_inc_dec_reg_p): Remove.
5757 (gt-regclass.h): Rename to gt-reginfo.h.
5759 * rtl.h (dump_global_regs, retry_global_alloc,
5760 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5762 * Makefile.in (RA_H): Remove.
5763 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5764 Rename regclass.o to reginfo.o.
5765 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5767 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5768 (GTFILES): Rename regclass.c to reginfo.c.
5770 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5771 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5773 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5774 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5776 (finish_spills): Ditto. Remove code for !flag_ira.
5778 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5781 * doc/invoke.texi (rtl debug options): Complete rewrite.
5782 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5784 * mode-switching.c (pass_mode_switching): Rename pass from
5785 "mode-sw" to "mode_sw".
5786 * except.c (pass_convert_to_eh_ranges): Rename pass from
5787 "eh-ranges" to "eh_ranges".
5788 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5792 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5793 Alexander Monakov <amonakov@ispras.ru>
5796 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5798 (move_exprs_to_boundary): Change return type and pass through
5799 should_move from move_op. Relax assert. Update usage ...
5800 (schedule_expr_on_boundary): ... here. Use should_move instead of
5802 (move_op_orig_expr_found): Indicate that insn was disconnected from
5804 (code_motion_process_successors): Do not call after_merge_succs
5805 callback if original expression was not found when traversing any of
5807 (code_motion_path_driver): Change return type. Update prototype.
5808 (move_op): Update comment. Add a new parameter (should_move). Update
5809 prototype. Set *should_move based on indication provided by
5810 move_op_orig_expr_found.
5812 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5814 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5815 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5816 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5817 * config/rs6000/rs6000.c (rs6000_override_options): Default
5818 avoid-indexed-addresses on for Power6, off for everything else.
5819 (avoiding_indexed_address_p): New function.
5820 (rs6000_legitimize_address): Use it.
5821 (rs6000_legitimate_address): Likewise.
5822 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5824 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
5826 PR tree-optimization/38997
5827 * tree-loop-distribution.c (generate_memset_zero): Use
5828 POINTER_PLUS_EXPR for a pointer addition.
5830 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
5832 * config/s390/s390.md (bswap<mode>2): New pattern added.
5834 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5836 * config/s390/s390.md (*tls_load_31): Added type attribute.
5838 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5840 * config/s390/s390.md: Fix a few comments.
5842 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5844 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5845 (*tm<mode>_full): Fixed z10prop attribute.
5846 (*tst<mode>_extimm): Fixed z10prop attribute.
5847 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5848 (*tstqiCCT_cconly): Fixed z10prop attribute.
5849 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5850 (*movsi_larl): Fixed z10prop attribute.
5851 (*movsi_zarch): Fixed z10prop attribute.
5852 (*movsi_eas): Fixed z10prop attribute.
5853 (*movhi): Fixed z10prop attribute.
5854 (*movqi): Fixed z10prop attribute.
5855 (*movstrictqi): Fixed z10prop attribute.
5856 (*mov<mode>): Fixed z10prop attribute.
5857 (*movcc): Fixed z10prop attribute.
5858 (*sethighpartdi_64): Fixed z10prop attribute.
5859 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5860 (*negdi2_sign_cc): Fixed z10prop attribute.
5861 (*negdi2_sign): Fixed z10prop attribute.
5862 (*absdi2_sign_cc): Fixed z10prop attribute.
5863 (*absdi2_sign): Fixed z10prop attribute.
5864 (*negabsdi2_sign_cc): Fixed z10prop attribute.
5865 (*negabsdi2_sign): Fixed z10prop attribute.
5866 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5867 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5868 (doloop_si64): Fixed z10prop attribute.
5869 (doloop_si31): Fixed z10prop attribute.
5870 (doloop_long): Fixed z10prop attribute.
5871 (indirect_jump): Fixed z10prop attribute.
5872 (nop): Fixed z10prop attribute.
5873 (main_base_64): Fixed z10prop attribute.
5874 (reload_base_64): Fixed z10prop attribute.
5876 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5878 PR rtl-optimization/38740
5879 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5881 * config/mips/mips.c (mips_reorg): Likewise.
5883 2009-01-28 Richard Guenther <rguenther@suse.de>
5885 PR tree-optimization/38926
5886 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5887 with the correct value id to a value.
5888 (do_regular_insertion): Use the value number of edoubleprime
5889 for the value number of the expr.
5892 2008-08-21 Richard Guenther <rguenther@suse.de>
5894 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5895 a PHI ask VN if it is already available.
5896 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5897 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5899 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5902 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5903 set to varying whenever max has TREE_OVERFLOW set, similarly
5904 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5906 2009-01-28 Richard Guenther <rguenther@suse.de>
5909 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5910 uninitialized aggregate uses in call arguments.
5912 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
5914 PR tree-optimization/38984
5915 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5916 the nothing_id variable if -fno-delete-null-pointer-checks.
5918 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
5921 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5922 (set_got_offset_rex64): Ditto.
5924 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
5927 * doc/extend.texi: Improve local variable with asm reg.
5929 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
5931 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5932 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5933 was not supplied then set warn_packed_bitfield_compat to the
5935 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5938 2009-01-27 Richard Guenther <rguenther@suse.de>
5940 PR tree-optimization/38503
5941 * cfgexpand.c (expand_gimple_basic_block): Ignore
5942 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5943 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5944 variables that cannot have TBAA applied.
5945 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5948 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
5951 * calls.c (initialize_argument_information): Do not wrap complex
5952 arguments in SAVE_EXPR.
5954 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
5956 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5957 (INSTALL_LIBGCC): Revert typo commit.
5959 2009-01-26 Richard Guenther <rguenther@suse.de>
5961 PR tree-optimization/38745
5962 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5963 from special handling.
5965 2009-01-26 Richard Guenther <rguenther@suse.de>
5967 PR tree-optimization/38745
5968 * tree-ssa.c (execute_update_addresses_taken): Do not include
5969 variables that cannot possibly be a register in not_reg_needs.
5970 Do not clear TREE_ADDRESSABLE on vars that may not become
5972 * tree-ssa.c (update_alias_info_1): Include those in the set
5973 of addressable vars.
5975 2009-01-26 Richard Guenther <rguenther@suse.de>
5978 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5979 * tree-ssa-dse.c: Include langhooks.h
5980 (execute_simple_dse): Remove stores with zero size.
5982 2009-01-24 Jakub Jelinek <jakub@redhat.com>
5985 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5988 2009-01-24 Julian Brown <julian@codesourcery.com>
5990 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5991 config/arm/linux-atomic.c.
5992 * config/arm/linux-atomic.c: New.
5994 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5996 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5997 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5998 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6000 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
6003 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6006 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
6008 PR tree-optimization/38953
6009 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6010 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6011 (gloog): Split the exit of the scop when the scop exit is a loop exit.
6012 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6015 2009-01-24 Paul Brook <paul@codesourcery.com>
6017 * config/arm/neon.md (neon_type): Move to arm.md.
6018 (neon_mov<VSTRUCT>): Add neon_type attribute.
6019 * config/arm/arm.md (neon_type): Move to here.
6020 (conds): Add "unconditioal" and use as default for NEON insns.
6022 2009-01-24 Ben Elliston <bje@au.ibm.com>
6024 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6025 void *' warning from -Wc++-compat.
6026 * Makefile.in (dominance.o-warn): Remove.
6028 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
6030 PR tree-optimization/38932
6031 * fold-const.c (fold_unary_ignore_overflow): New.
6032 * tree.h (fold_unary_ignore_overflow): Declare.
6033 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6034 * tree-ssa-sccvn.c (visit_reference_op_load,
6035 simplify_unary_expression): Likewise.
6037 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
6039 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6040 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
6041 regardless of their type.
6042 * c-common.c (handle_packed_attribute): Don't ignore packed on
6044 * c.opt (Wpacked-bitfield-compat): New warning option.
6045 * stor-layout.c (place_field): Warn if offset of a field changed.
6046 * doc/extend.texi (packed): Mention the ABI change.
6047 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6048 (Warning Options): Add it to the list.
6050 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
6052 * c-opts.c (c_common_post_options): Fix a typo in comments.
6054 2009-01-22 Steve Ellcey <sje@cup.hp.com>
6057 * gimplify.c (gimplify_init_constructor): Fix promotion of const
6058 variables to static.
6059 * doc/invoke.texi (-fmerge-all-constants): Update description.
6061 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
6064 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6065 (*movdi_1_rex64): Use type "mmx" for alternative 5.
6067 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
6069 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6071 (LOCAL_ALIGNMENT): Similarly.
6073 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6074 Joseph Myers <joseph@codesourcery.com>
6076 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6077 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6078 * config/arm/arm-tune.md: Regenerate.
6079 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6082 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6084 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6085 version number to five.
6087 2009-01-22 Dodji Seketeli <dodji@redhat.com>
6090 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6091 * c-common.c (set_underlying_type): Likewise.
6092 (is_typedef_decl ): Likewise
6094 (set_underlying_type): Likewise.
6095 (is_typedef_type): Likewise.
6097 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
6100 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6103 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6106 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
6107 (LIBGCC_SPEC): Don't define.
6108 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
6110 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
6112 PR rtl-optimization/38879
6113 * alias.c (base_alias_check): Unaligned access via AND address can
6114 alias all surrounding object types except those with sizes equal
6115 or wider than the size of unaligned access.
6117 2009-01-21 Dodji Seketeli <dodji@redhat.com>
6120 * c-decl.c (clone_underlying_type): Move this ...
6121 * c-common.c (set_underlying_type): ... here.
6122 Also, make sure the function properly sets TYPE_STUB_DECL() on
6123 the newly created typedef variant type.
6124 (is_typedef_decl ): New entry point.
6125 * tree.h: Added a new member member_types_needing_access_check to
6126 struct tree_decl_non_common.
6127 (set_underlying_type): New entry point.
6128 (is_typedef_type): Likewise.
6130 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
6132 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6133 Check whether two instructions have memory references that
6134 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
6135 are helper functions for traversing.
6136 * alias.h (insn_alias_sets_confilict_p): New prototypes.
6137 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6138 not to draw dependency edge for instructions with non-conflicting
6141 2009-01-20 Joseph Myers <joseph@codesourcery.com>
6144 * longlong.h: Update copyright years. Use soft-fp license notice.
6145 Sync __clz_tab declaration with glibc.
6147 2009-01-20 Steve Ellcey <sje@cup.hp.com>
6150 * doc/extend.texi (syscall_linkage): New.
6151 (version_id): Modify.
6153 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
6154 Richard Guenther <rguenther@suse.de>
6156 PR tree-optimization/38747
6157 PR tree-optimization/38748
6158 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6159 conversion if the base address is an indirect reference and the
6160 aliasing sets could cause issues.
6162 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6164 * common.opt (fgraphite, fgraphite-identity): Add comment for
6165 explaining why these options are not documented.
6167 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6169 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6170 gimple_call_lhs is NULL.
6172 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
6175 * emit-rtl.c (adjust_address_1): Make sure memref is never
6178 2009-01-20 Ben Elliston <bje@au.ibm.com>
6180 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6181 const qualifier from arg parameter. Remove unnecessary cast to char *.
6182 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6183 const qualifier from arg 2.
6185 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6187 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6189 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
6192 * rtl.h (reinit_regs): New prototype.
6193 * regclass.c: Include ira.h.
6195 * Makefile.in (regclass.o): Add ira.h.
6196 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6198 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6201 * c-common.c (handle_aligned_attribute): Use
6202 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6203 default alignment value.
6205 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6207 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6208 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6210 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6211 __BIGGEST_ALIGNMENT__.
6213 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6215 2009-01-18 Richard Guenther <rguenther@suse.de>
6217 PR tree-optimization/38819
6218 * tree-flow.h (operation_could_trap_helper_p): Declare.
6219 * tree-eh.c (operation_could_trap_helper_p): Export.
6220 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6221 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6222 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6223 are about to insert a possibly trapping instruction and fail
6226 2009-01-18 Andreas Schwab <schwab@suse.de>
6228 * doc/install.texi (Configuration): Remove obsolete paragraph
6229 about use of --with-gnu-ld with --with-gnu-as.
6231 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6233 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6234 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6235 Follow spelling conventions.
6237 2009-01-18 Ben Elliston <bje@au.ibm.com>
6239 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6240 C++ warning about implicit conversion from void * to struct
6242 (bitmap_obstack_free): Likewise for bitmap_element *.
6243 * Makefile.in (bitmap.o-warn): Remove.
6245 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6247 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6249 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6250 Tobias Grosser <tobi.grosser@amd.com>
6252 * graphite.c (graphite_trans_scop_block): Do not block single
6255 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6257 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6258 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6259 test with assertion.
6261 2009-01-16 Richard Guenther <rguenther@suse.de>
6263 PR tree-optimization/38835
6265 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6266 and INT + PTR -> (INT)(PTR p+ INT) folding.
6267 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6269 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6272 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6273 the subreg from a lowpart subreg if it is also casting the value.
6275 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6276 Tobias Grosser <tobi.grosser@amd.com>
6278 * graphite.c (compare_prefix_loops): New.
6279 (build_scop_canonical_schedules): Rewritten.
6280 (graphite_transform_loops): Move build_scop_canonical_schedules
6281 after build_scop_iteration_domain.
6283 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6284 Tobias Grosser <tobi.grosser@amd.com>
6286 * graphite.c (add_conditions_to_domain): Add the loops to
6287 the dimension of the iteration domain. Do copy the domain
6288 only when it exists.
6289 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6290 (add_conditions_to_constraints): New.
6291 (can_generate_code_stmt, can_generate_code): Removed.
6292 (gloog): Do not call can_generate_code.
6293 (graphite_transform_loops): Call add_conditions_to_constraints
6294 after building the iteration domain.
6296 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6298 PR tree-optimization/38789
6299 * tree-ssa-threadedge.c
6300 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6301 __builtin_constant_p.
6303 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6305 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6306 examined before deleting them.
6308 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6310 * function.c (aggregate_value_p): Correctly extract the function
6311 type from CALL_EXPR_FN lookup.
6313 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6315 * config/picochip/picochip.c (picochip_override_options): Revert
6316 CFI asm flag disable commited previously.
6318 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6319 Tobias Grosser <tobi.grosser@amd.com>
6320 Jan Sjodin <jan.sjodin@amd.com>
6322 * graphite.c (scan_tree_for_params): On substractions negate
6323 all the coefficients of the term.
6324 (clast_to_gcc_expression_red): New. Handle reduction expressions
6325 of more than two operands.
6326 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6327 (get_vdef_before_scop): Handle also the case of default definitions.
6329 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6331 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6332 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6333 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6335 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6336 Joey Ye <joey.ye@intel.com>
6339 * cfgexpand.c (expand_stack_alignment): Don't update stack
6340 boundary nor check incoming stack boundary here.
6341 (gimple_expand_cfg): Update stack boundary and check incoming
6342 stack boundary here.
6344 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6346 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6348 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6350 PR rtl-optimization/38245
6351 * calls.c (expand_call): Add stack arguments to
6352 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6353 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6354 in regs and partially in memory or BLKmode arguments.
6355 (emit_library_call_value_1): Add stack arguments to
6356 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6357 ACCUMULATE_OUTGOING_ARGS).
6358 * dce.c: Include tm_p.h.
6359 (find_call_stack_args): New function.
6360 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6362 (mark_insn): Call find_call_stack_args for CALL_Ps.
6363 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6364 forwards. Allocate and free arg_stores bitmap if needed, pass it
6365 down to deletable_insn_p, don't mark stores set in arg_stores
6366 bitmap, clear the bitmap at the beginning of each bb.
6367 * Makefile.in (dce.o): Depend on $(TM_P_H).
6369 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6372 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6373 to make sure the insn is a conditional test (bug 22599). Reformat a
6376 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6379 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6380 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6381 (gloog): Do not call cleanup_tree_cfg.
6382 (graphite_transform_loops): Call cleanup_tree_cfg after all
6383 scops have been code generated.
6385 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6386 * doc/gty.texi (Invoking the garbage collector): Added new node
6387 and section documenting ggc_collect.
6389 2009-01-14 Richard Guenther <rguenther@suse.de>
6391 PR tree-optimization/38826
6393 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6394 initialization notes only if we actually emitted a warning.
6395 (intra_create_variable_infos): Add constraints for a result decl
6396 that is passed by hidden reference.
6397 (build_pred_graph): Mark all related variables non-direct on
6400 2009-01-14 Nick Clifton <nickc@redhat.com>
6402 * ira-conflicts.c: Include addresses.h for the definition of
6404 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6405 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6407 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6410 * Makefile.in (ira-lives.o): Add except.h.
6412 * ira-lives.c: Include except.h.
6413 (process_bb_node_lives): Process can_throw_internal.
6415 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6417 PR rtl-optimization/38774
6418 * combine.c (simplify_set): When undoing cc_use change, don't do
6419 PUT_CODE on the newly created comparison, but instead put back the
6422 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6424 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6425 values. Remove duplicate arm8 entry.
6427 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6429 PR tree-optimization/38786
6430 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6431 the SSA_NAME case of expand_scalar_variables_expr.
6432 Set the type of an expression to the type of its assign statement.
6433 (expand_scalar_variables_expr): Also gather the scalar computation
6434 used to index the memory access. Do not pass loop_p.
6435 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6436 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6437 the gimple_stmt_iterator where it inserts new code.
6439 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6440 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6442 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6444 * graphite.h (debug_value): Removed.
6445 * graphite.c (debug_value): Removed.
6447 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6449 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6450 ldrd/strd with two 32-bit instructions.
6452 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6454 * config/arm/arm.c (struct processors): Pass for speed down into
6455 cost helper functions.
6456 (const_ok_for_op): Handle COMPARE and inequality nodes.
6457 (arm_rtx_costs_1): Rewrite.
6458 (arm_size_rtx_costs): Update prototype.
6459 (arm_rtx_costs): Pass speed down to helper functions.
6460 (arm_slowmul_rtx_costs): Rework cost calculations.
6461 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6462 (arm_9e_rtx_costs): Likewise.
6464 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6466 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6467 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6468 (alpha_legitimize_address): Do not split local symbols wider than
6469 UNITS_PER_WORD into HIGH/LO_SUM parts.
6471 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6474 * gcc.c (process_command): Replace call to execvp with calls
6475 to pex_one and exit.
6477 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6480 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6481 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6482 variant for devices with 3-byte PC.
6483 (__tablejump_elpm__): New.
6485 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6488 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6489 offsetof member-designator, handle it as `[0].'.
6491 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6493 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6494 function when not using named sections on targets with named sections
6495 if branch distance is less than 262132.
6497 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6499 * combine.c (combine_instructions): Recompute
6500 optimize_this_for_speed_p for each BB in the main combine loop.
6502 2009-01-12 Tomas Bily <tbily@suse.cz>
6505 * tree-loop-distribution.c (prop_phis): New function.
6506 (generate_builtin): Call prop_phis.
6507 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6509 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6511 PR tree-optimization/38807
6512 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6513 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6515 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6517 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6518 subreg of op0 to the original op0.
6520 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6522 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6524 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6527 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6528 starting with digits.
6530 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6533 * config/arm/arm.c (arm_is_long_call_p): Don't call
6534 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6536 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6538 * regrename.c (regrename_optimize): Fix dumping.
6539 (find_oldest_value_reg): Preserve REG_POINTER.
6540 (copy_hardreg_forward_1): Likewise.
6542 2009-01-09 Diego Novillo <dnovillo@google.com>
6544 * gimple.h (struct gimple_statement_base) <uid>: Document
6545 the restrictions on its use.
6547 (gimple_set_uid): Tidy.
6549 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6551 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6552 zero guard even if align_bytes != 0 and count is smaller than
6555 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6557 PR rtl-optimization/38495
6558 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6559 (add_range_and_copies_from_move_list): Print all added ranges.
6560 Add ranges to memory optimized destination.
6562 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6566 * config/i386/i386.c (override_options): Reject
6567 -mstringop-strategy=rep_8byte with -m32.
6568 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6569 to 1. Do count comparison against epilogue_size_needed at compile
6570 time even when count_exp was constant forced into register. For
6571 size_needed don't jump to epilogue, instead just avoid aligning
6572 and invoke the body algorithm. If need_zero_guard, add zero guard
6573 even if count is non-zero, but smaller than size_needed + number of
6574 bytes that could be stored for alignment.
6575 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6576 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6577 but smaller than size_needed + number of bytes that could be stored
6578 for alignment. Compare size_needed with epilogue_size_needed instead
6579 of desired_align - align, don't adjust size_needed, pass
6580 epilogue_size_needed to the epilogue expanders.
6583 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6585 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6587 * pa.c (last_address): Change to unsigned.
6588 (update_total_code_bytes): Change argument to unsigned. Don't
6589 check if insn addresses are set.
6590 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6591 addresses are not set.
6592 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6594 2009-01-09 Nick Clifton <nickc@redhat.com>
6596 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6597 DECL_DECLARED_INLINE_P.
6599 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6602 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6603 GET_MODE (op0) in operand_subword_force calls.
6606 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6607 fold_convert arg0 operands to TREE_TYPE (op0) first.
6609 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6611 * params.def (ira-max-conflict-table-size): Decrease default value
6614 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6616 PR tree-optimization/37031
6617 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6619 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6620 allocate it using gc instead of heap, use VEC_quick_push instead of
6622 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6623 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6624 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6625 allocated vector from heap allocated.
6626 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6627 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6628 vector only after perfect_loop_nest_depth call.
6630 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6631 Jan Sjodin <jan.sjodin@amd.com>
6633 PR tree-optimization/38559
6634 * graphite.c (debug_value, copy_constraint,
6635 swap_constraint_variables, scale_constraint_variable, ): New.
6636 (get_lower_bound, get_upper_bound): Removed.
6637 (graphite_trans_bb_strip_mine): Clean up this code that works
6638 only for constant number of iterations. Fully copy upper and
6639 lower bound constraints, not only the constant part of them.
6640 * graphite.h (debug_value): Declared.
6642 2009-01-08 Ira Rosen <irar@il.ibm.com>
6644 PR tree-optimization/37194
6645 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6646 Don't add the cost of cost model guard in prologue to scalar
6647 outside cost in case of known number of iterations.
6649 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6650 Alan Modra <amodra@bigpond.net.au>
6652 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6653 non-word-aligned REG+CONST addressing.
6655 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6658 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6659 free_after_compilation when outputting a thunk.
6660 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6661 Do not call free_after_compilation here.
6663 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6665 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6666 (ix86_valid_target_attribute_inner_p): Ditto.
6668 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6670 PR tree-optimization/38492
6671 PR tree-optimization/38498
6672 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6673 * tree-chrec.h (scev_is_linear_expression): Declared.
6674 * graphite.c (graphite_cannot_represent_loop_niter): New.
6675 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6676 (graphite_loop_normal_form): Use gcc_assert.
6677 (scan_tree_for_params): Use CASE_CONVERT.
6678 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6679 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6680 Use gcc_assert. Discard scops that contain unhandled cases.
6681 (build_scop_conditions): Return a boolean status for unhandled cases.
6682 (strip_mine_profitable_p): Print the loop number, not its depth.
6683 (is_interchange_valid): Pass the depth of the loop nest, don't
6684 recompute it wrongly.
6685 (graphite_trans_bb_block): Same.
6686 (graphite_trans_bb_block): Print tentative of loop blocking.
6687 (graphite_trans_scop_block): Do not print that the loop has been
6689 (graphite_transform_loops): Do not handle scops that contain condition
6692 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6694 AVX Programming Reference (December, 2008)
6695 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6696 (_mm256_stream_pd): Likewise.
6697 (_mm256_stream_ps): Likewise.
6699 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6700 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6701 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6702 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6703 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6704 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6705 (ix86_expand_special_args_builtin): Likewise.
6707 * config/i386/sse.md (AVXMODEDI): New.
6708 (avx_movnt<mode>): Likewise.
6709 (avx_movnt<mode>): Likewise.
6710 (<sse>_movnt<mode>): Remove AVX support.
6711 (sse2_movntv2di): Likewise.
6713 2009-01-07 Richard Guenther <rguenther@suse.de>
6716 * fold-const.c (extract_muldiv): Remove obsolete comment.
6717 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6718 to PLUS_EXPR canonicalization for the canonicalization.
6720 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6722 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6723 hosted cross-compilers generating less efficient code.
6725 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6727 * function.h (rtl_data): Add a dbr_scheduled_p field.
6728 * reorg.c (dbr_schedule): Set it.
6729 (gate_handle_delay_slots): Check it.
6730 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6731 (mips_reorg): Check flag_delayed_branch instead of
6732 mips_base_delayed_branch.
6733 (mips_override_options): Don't set mips_base_delayed_branch
6734 or flag_delayed_branch.
6736 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6738 PR rtl-optimization/38426.
6739 * ira.c (ira): Set current_function_is_leaf earlier.
6741 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6743 PR rtl-optimization/38722
6744 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6745 too early, only set a flag and modify after last possible
6748 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6751 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6752 * real.c (decimal_single_format): Correct values of emin and emax.
6753 (decimal_double_format): Ditto.
6754 (decimal_quad_format): Ditto.
6755 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6756 computation of DECnn_MIN and DECnn_MAX for corrected values of
6757 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6758 __DECnn_MIN__, and adjust its computation for the corrected value
6761 2009-01-06 Jan Hubicka <jh@suse.cz>
6764 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6766 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6768 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6769 Add Robert Clark to the list of testers.
6771 2009-01-06 Jan Hubicka <jh@suse.cz>
6772 Kai Tietz <kai.tietz@onevision.com>
6774 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6775 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6777 2009-01-06 Jan Hubicka <jh@suse.cz>
6778 Kai Tietz <kai.tietz@onevision.com>
6780 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6782 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6783 (ix86_nsaved_regs): Count only general purpose regs.
6784 (ix86_nsaved_sseregs): New.
6785 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6786 to 16 for w64; compute padding and size of sse reg save area.
6787 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6788 general purpose regs.
6789 (ix86_emit_save_sse_regs_using_mov): New.
6790 (ix86_expand_prologue): Save SSE regs if needed.
6791 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6792 (ix86_emit_restore_sse_regs_using_mov): New.
6793 (ix86_expand_epilogue): Save SSE regs if needed.
6795 2009-01-06 Jan Hubicka <jh@suse.cz>
6796 Kai Tietz <kai.tietz@onevision.com>
6798 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6799 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6800 functions when accumulate outgoing args is off.
6802 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6805 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6806 before using pseudos_have_intersected_live_ranges_p.
6808 * ira-int.h (ira_assert): Always define.
6810 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6812 AVX Programming Reference (December, 2008)
6813 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6814 (_mm256_permute2_pd): Likewise.
6815 (_mm_permute2_ps): Likewise.
6816 (_mm256_permute2_ps): Likewise.
6817 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6818 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6820 * config/i386/i386.c (ix86_builtins): Remove
6821 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6822 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6823 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6824 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6825 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6826 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6827 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6828 __builtin_ia32_vpermil2ps256.
6829 (ix86_init_mmx_sse_builtins): Updated.
6830 (ix86_expand_args_builtin): Likewise.
6832 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6834 * pa.c (output_call): Relocate non-jump insns in the delay slot of
6835 long absolute calls when generating PA 2.0 code.
6837 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
6839 PR rtl-optimization/38583
6840 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6842 * params.def (ira-max-conflict-table-size): New.
6844 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6846 * ira.h (ira_conflicts_p): New external definition.
6848 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6849 table. Report this. Return result of building.
6850 (ira_build_conflicts): Use ira_conflicts_p. Check result of
6851 building conflict table.
6853 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6854 (ira_color): Use ira_conflicts_p.
6856 * global.c: Include ira.h.
6857 (pseudo_for_reload_consideration_p, build_insn_chain): Use
6860 * Makefile.in (global.o): Add ira.h.
6862 * ira-build.c (mark_all_loops_for_removal,
6863 propagate_some_info_from_allocno): New.
6864 (remove_unnecessary_allocnos): Call
6865 propagate_some_info_from_allocno.
6866 (remove_low_level_allocnos): New.
6867 (remove_unnecessary_regions): Add parameter. Call
6868 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
6869 parameter to remove_unnecessary_regions.
6870 (ira_build): Remove all regions but root if the conflict table was
6871 not built. Update conflict hard regs for allocnos crossing calls.
6873 * ira.c (ira_conflicts_p): New global.
6874 (ira): Define and use ira_conflicts_p.
6876 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6877 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6878 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6880 2009-01-06 Ben Elliston <bje@au.ibm.com>
6882 * gengtype-lex.l (YY_NO_INPUT): Define.
6884 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
6887 * c-common.c (handle_vector_size_attribute): Also reject
6890 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
6892 PR tree-optimization/38492
6893 * graphite.c (rename_map_elt, debug_rename_elt,
6894 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6895 rename_map_elt_info, eq_rename_map_elts,
6896 get_new_name_from_old_name, bb_in_sese_p): Moved around.
6897 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6898 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6899 (sese_build_livein_liveouts): New.
6900 (new_sese, free_sese): New.
6901 (new_scop): Call new_sese.
6902 (free_scop): Call free_sese.
6903 (rename_variables_from_edge, rename_phis_end_scop): Removed.
6904 (register_old_new_names): Renamed register_old_and_new_names.
6905 (register_scop_liveout_renames, add_loop_exit_phis,
6906 insert_loop_close_phis, struct igp,
6907 default_liveout_before_guard, add_guard_exit_phis,
6908 insert_guard_phis, copy_renames): New.
6909 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6910 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6911 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6912 (scop_adjust_phis_for_liveouts): New.
6913 (gloog): Call scop_adjust_phis_for_liveouts.
6915 * graphite.h (struct sese): Documented. Added fields liveout,
6917 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6918 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6919 (struct scop): Added field liveout_renames.
6920 (SCOP_LIVEOUT_RENAMES): New.
6922 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6924 PR tree-optimization/38510
6925 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6926 (translate_clast): Call recompute_all_dominators before
6928 (gloog): Call recompute_all_dominators before graphite_verify.
6930 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6931 Jan Sjodin <jan.sjodin@amd.com>
6933 PR tree-optimization/38500
6934 * graphite.c (create_sese_edges): Call fix_loop_structure after
6937 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
6939 * config.gcc: Add m32r*-*-rtems*.
6940 * config/m32r/rtems.h: New file.
6942 2009-01-05 Ben Elliston <bje@au.ibm.com>
6944 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6945 (.po.pox): Likewise.
6946 (po/gcc.pot): Likewise.
6948 2009-01-04 David S. Miller <davem@davemloft.net>
6950 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6951 (STARTING_FRAME_OFFSET): Always set to zero.
6953 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6955 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6956 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6957 fixed-point types, and vectors of the same.
6959 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6961 * config/mips/sync.md (*mb_barrier): Rename to...
6962 (*memory_barrier): ...this.
6964 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
6966 * doc/extend.texi (Function Attributes): Move @cindex after @item
6967 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6968 and put in alphabetical order. Fix 'target' name and put in order.
6969 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6972 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
6974 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6975 (memory_barrier): Expand as unspec instead of unspec_volatile.
6976 Remove mem:BLK from insn operands. Use Pmode scratch register.
6977 (*memory_barrier): Define as unspec instead of unspec_volatile.
6978 Use (match_dup 0) as input operand.
6980 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6981 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6982 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
6983 scratch register. Remove operand 1.
6984 (*stbar): Define as unspec instead of unspec_volatile.
6985 Use (match_dup 0) as input operand, remove (const_int 8).
6986 (*membar): Define as unspec instead of unspec_volatile.
6987 Use (match_dup 0) as input operand, remove input operand 2.
6989 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6990 (memory_barrier): Expand as unspec instead of unspec_volatile.
6991 Remove mem:BLK from insn operands. Use Pmode scratch register.
6992 (*memory_barrier): Define as unspec instead of unspec_volatile.
6993 Use (match_dup 0) as input operand.
6995 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6996 Remove mem:BLK from insn operands. Use Pmode scratch register.
6997 Set volatile flag on operand 0.
6998 (*memory_barrier): New insn pattern.
7000 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7002 (*memory_barrier): Use (match_dup 0) as input operand.
7004 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7005 Remove mem:BLK from insn operands. Use Pmode scratch register.
7006 Set volatile flag on operand 0.
7007 (*mb_internal): New insn pattern.
7009 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7011 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7014 * function.c (struct temp_slot): Move to the section of the file
7015 that deals with temp slots. Remove field 'address'.
7016 (temp_slot_address_table): New hash table of address -> temp slot.
7017 (struct temp_slot_address_entry): New struct, items for the table.
7018 (temp_slot_address_compute_hash, temp_slot_address_hash,
7019 temp_slot_address_eq, insert_temp_slot_address): Support functions
7021 (find_temp_slot_from_address): Rewrite to use the new hash table.
7022 (remove_unused_temp_slot_addresses): Remove addresses of temp
7023 slots that have been made available.
7024 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7025 worker function for remove_unused_temp_slot_addresses.
7026 (assign_stack_temp_for_type): Don't clear the temp slot address list.
7027 Add the temp slot address to the address -> temp slot map.
7028 (update_temp_slot_address): Update via insert_temp_slot_address.
7029 (free_temp_slots): Call remove_unused_temp_slot_addresses.
7030 (pop_temp_slots): Likewise.
7031 (init_temp_slots): Allocate the address -> temp slot map, or empty
7032 the map if it is already allocated.
7033 (prepare_function_start): Initialize temp slot processing.
7035 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7038 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7039 Calculate the size of all stack vars assuming no packing of stack
7040 vars will happen, replacing a quadratic algorithm with a linear one.
7042 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7045 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7048 2009-01-03 Diego Novillo <dnovillo@google.com>
7050 * doc/contrib.texi: Update contributions.
7052 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7055 * builtins.c (fold_builtin_memory_op): Give up if either operand
7056 is volatile. Set srctype or desttype to non-qualified version
7060 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7063 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
7065 PR rtl-optimization/35805
7066 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7067 problem if fast dce is able to remove any instructions.
7068 * dce.c (dce_process_block): Fix dump message.
7070 2009-01-02 Mark Mitchell <mark@codesourcery.com>
7073 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7075 2009-01-02 Jakub Jelinek <jakub@redhat.com>
7078 * tree-flow.h (op_code_prio, op_prio): New prototypes.
7079 * tree-pretty-print.c (op_code_prio): New function.
7080 (op_prio): No longer static. Use op_code_prio.
7081 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7082 Use op_prio and op_code_prio to determine if () should be
7083 printed around operand(s) or not.
7085 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7086 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7087 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7088 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7089 pp_character instead of pp_string for single letter printing.
7091 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7093 * doc/extend.texi: Fix '#pragma GCC option' typo.
7095 2009-01-02 Richard Guenther <rguenther@suse.de>
7097 * doc/install.texi (--enable-checking): Mention different
7099 (--enable-stage1-checking): Document.
7101 2009-01-01 Andrew Pinski <pinskia@gmail.com>
7104 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
7105 case to be an error.
7107 2009-01-02 Ben Elliston <bje@au.ibm.com>
7109 * config/fp-bit.h (pack_d): Constify argument.
7110 * config/fp-bit.c (makenan): Constify return type. Remove casts.
7111 (isnan): Constify argument.
7115 (_fpadd_parts): Constify return type.
7116 (_fpmul_parts): Likewise.
7117 (_fpdiv_parts): Likewise.
7119 2009-01-01 Jakub Jelinek <jakub@redhat.com>
7122 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
7123 warn about overwriting initializer with side-effects or
7124 -Woverride-init if !IMPLICIT.
7125 (output_init_element): Likewise. Pass IMPLICIT down to
7127 (process_init_element): Add IMPLICIT argument. Pass it down
7128 to output_init_element.
7129 (push_init_element, pop_init_level, set_designator): Adjust
7130 process_init_element callers.
7131 (set_nonincremental_init, set_nonincremental_init_from_string):
7132 Adjust add_pending_init callers.
7133 (output_pending_init_elements): Adjust output_init_element callers.
7134 * c-tree.h (process_init_element): Adjust prototype.
7135 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7136 process_init_element callers.