| blob | e34def9b1630274654861f5090b6974b7ebd977e |
1 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
3 PR rtl-optimization/39762
4 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5 ira_may_move_out_cost): Add comments about way of their usage.
6 (ira_get_register_move_cost, ira_get_may_move_cost): New
7 functions.
9 * ira-conflicts.c (process_regs_for_copy): Use function
10 ira_get_register_move_cost instead of global
11 ira_register_move_cost.
13 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
14 color_pass, move_spill_restore, update_curr_costs): Ditto.
16 * ira-lives.c (process_single_reg_class_operands): Ditto.
18 * ira-emit.c (emit_move_list): Ditto.
20 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
21 (record_reg_classes): Ditto. Use functions
22 ira_get_register_move_cost and ira_get_may_move_cost instead of
23 global vars ira_register_move_cost, ira_may_move_out_cost and
24 ira_may_move_in_cost.
25 (record_address_regs): Don't call ira_init_register_move_cost.
26 Use function ira_get_may_move_cost instead of global
27 ira_may_move_in_cost.
28 (process_bb_node_for_hard_reg_moves): Use function
29 ira_get_register_move_cost instead of global
30 ira_register_move_cost.
31 (ira_costs): Don't call ira_init_register_move_cost.
33 2009-04-16 Richard Guenther <rguenther@suse.de>
35 * tree-cfg.c (verify_gimple_assign_binary):
36 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
37 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
38 (create_general_new_stmt): Note that this function is broken.
40 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
42 * common.opt (fhelp): Add Var(help_flag).
43 * gcc-plugin.h (plugin_info): Add help.
44 * plugin.c (plugin_name_args): Add help.
45 (register_plugin_info): Set plugin->help.
46 (print_help_one_plugin): New.
47 (print_plugins_help): New.
48 * plugin.h (print_plugins_help): New.
49 * toplev.c (toplev_main): Call print_plugins_help if needed.
51 2009-04-16 Richard Guenther <rguenther@suse.de>
53 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
54 (gimple_ior_addresses_taken_1): New function.
55 (gimple_ior_addresses_taken): Likewise.
56 * gimple.h (struct gimple_statement_with_ops_base): Remove
57 addresses_taken member.
58 (gimple_ior_addresses_taken): Declare.
59 (gimple_addresses_taken, gimple_addresses_taken_ptr,
60 gimple_set_addresses_taken): Remove.
61 * ipa-reference.c (mark_address): New function.
62 (scan_stmt_for_static_refs): Use it for marking addresses taken.
63 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
64 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
65 (gimple_add_to_addresses_taken): Remove.
66 (get_tmr_operands): Call mark_address_taken.
67 (get_asm_expr_operands): Likewise.
68 (get_expr_operands): Likewise.
69 (build_ssa_operands): Do not clear the addresses_taken bitmap.
70 (free_stmt_operands): Do not free it.
71 * tree-ssa.c (delete_tree_ssa): Likewise.
72 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
74 2009-04-16 Richard Guenther <rguenther@suse.de>
76 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
77 (walk_stmt_load_store_ops): Likewise.
78 * gimple.c (get_base_loadstore): New function.
79 (walk_stmt_load_store_addr_ops): Likewise.
80 (walk_stmt_load_store_ops): Likewise.
81 * ipa-pure-const.c (check_op): Simplify.
82 (check_load, check_store): New functions.
83 (check_stmt): Use walk_stmt_load_store_ops.
84 * ipa-reference.c (mark_load): Adjust signature.
85 (mark_store): Likewise.
86 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
88 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
90 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
91 (plugin_info): New.
92 * opts.c (common_handle_option): Don't call print_version.
93 * plugin.c (plugin_name_args): Add version.
94 (register_plugin_info): New.
95 (register_callback): Handle PLUGIN_INFO.
96 (try_init_one_plugin): New.
97 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
98 if failed to init.
99 (finalize_one_plugin): New.
100 (finalize_plugins): New.
101 (print_one_plugin): New.
102 (print_plugins_versions): New.
103 * plugin.h (print_plugins_versions): New.
104 (finalize_plugins): New.
105 * toplev.c (compile_file): Don't call initialize_plugins.
106 (print_version): Call print_plugins_versions.
107 (toplev_main): Call initialize_plugins. Print version if needed.
108 Call finalize_plugins.
110 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
112 * common.opt (fversion): New.
113 * gcc.c (print_version): New.
114 (process_command): Don't print the version. Just set print_version.
115 (main): Print version. Call subprocesses if print_version and
116 verbose_flag are set.
117 * opts.c (common_handle_option): Handle OPT_fversion.
119 2009-04-16 Richard Guenther <rguenther@suse.de>
120 Ira Rosen <irar@il.ibm.com>
122 PR tree-optimization/39698
123 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
124 type of the reduction variable. Only generate the def if
125 it is needed.
127 * omp-low.c (expand_omp_for_generic): When converting to a pointer
128 make sure to first convert to an integer of the same precision.
129 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
130 the type of the evolution correctly in computing the new
131 induction variable base.
133 2009-04-16 Richard Guenther <rguenther@suse.de>
135 PR middle-end/39625
136 * tree-cfg.c (make_blocks): Split statements with to-be
137 abnormal SSA names on the lhs.
139 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
141 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
142 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
143 * c-typeck.c (really_start_incremental_init): Likewise.
144 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
145 (TARGET_INITIALIZER): Remove it.
146 * target.h (struct target): Remove vector_opaque_p.
147 * tree.c (build_opaque_vector_type): New.
148 * tree.h (TYPE_VECTOR_OPAQUE): New.
149 (build_opaque_vector_type): Declare.
150 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
151 * config/rs6000/rs6000.c (build_opaque_vector_type,
152 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
153 (rs6000_init_builtins): Use build_opaque_vector_type for
154 opaque_V4SI_type_node.
156 2009-04-15 Catherine Moore <clm@codesourcery.com>
158 * debug.h (set_name): Declare.
159 * dwarf2out.c (dwarf2out_set_name): Declare.
160 (dwarf2_debug_hooks): Add set_name.
161 (find_AT_string): New.
162 (add_AT_string): Call find_AT_string.
163 (dwarf2out_set_name): New.
164 * cp/decl.c (grokdeclarator): Call set_name.
165 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
166 * debug.c (do_nothing_debug_hooks): Likewise.
167 * dbxout.c (dbx_debug_hooks): Likewise.
168 * sdbout.c (sdb_debug_hooks): Likewise.
170 2009-04-15 Michael Eager <eager@eagercon.com>
172 * config/rs6000/rs6000.c: rs6000_function_value: set function return
173 reg for single-precision FPU
174 * config/rs6000/rs6000.md: (movsi_internal1): only for !TARGET_SINGLE_FPU
175 (movsi_internal1_single): New: add pattern to move SI values to/from
176 single-precision FP regs.
178 2009-04-15 Richard Guenther <rguenther@suse.de>
180 * omp-low.c (lower_rec_input_clauses): Build correct address
181 expressions.
182 (expand_omp_for_generic): Fix multiplication type.
183 * tree-loop-distribution.c (build_size_arg): Build a
184 size_t argument.
185 (generate_memset_zero): Fix types.
186 * tree-profile.c (prepare_instrumented_value): Correctly
187 widen a pointer.
189 2009-04-15 Ian Lance Taylor <iant@google.com>
191 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
192 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
193 for -Wall and for -Wc++-compat.
194 (c_common_post_options): For C++, set warn_enum_compare if not
195 already set.
196 * c-tree.h (struct c_expr): Add field original_type.
197 (build_external_ref): Update declaration.
198 * c-parser.c (c_parser_braced_init): Set original_type.
199 (c_parser_initelt): Likewise.
200 (c_parser_expr_no_commas): Likewise.
201 (c_parser_conditional_expression): Likewise.
202 (c_parser_cast_expression): Likewise.
203 (c_parser_unary_expression): Likewise. Pull setting of
204 original_code to top of function.
205 (c_parser_sizeof_expression): Set original_type.
206 (c_parser_alignof_expression): Likewise.
207 (c_parser_postfix_expression): Likewise. Pull setting of
208 original_code to top of function.
209 (c_parser_postfix_expression_after_paren_type): Set
210 original_type.
211 (c_parser_postfix_expression_after_primary): Likewise.
212 (c_parser_expression): Likewise.
213 * c-typeck.c (build_external_ref): Add type parameter. Change all
214 callers.
215 (c_expr_sizeof_expr): Set original_type field.
216 (parser_build_unary_op): Likewise.
217 (parser_build_binary_op): Likewise. Optionally warn about
218 comparisons of enums of different types.
219 (digest_init): Set original_type field.
220 (really_start_incremental_init): Likewise.
221 (push_init_level, pop_init_level): Likewise.
222 * doc/invoke.texi (Warning Options): -Wenum-compare now
223 supported in C.
225 2009-04-15 Richard Guenther <rguenther@suse.de>
227 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
228 out a necessary conversion.
229 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
230 names we didn't value number.
231 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
233 2009-04-15 Richard Guenther <rguenther@suse.de>
235 PR tree-optimization/39764
236 * tree-ssa-ccp.c (get_value): Canonicalize value with
237 canonicalize_float_value.
239 2009-04-15 Jan Hubicka <jh@suse.cz>
241 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
242 Wrong version of patch.
244 2009-04-15 Jan Hubicka <jh@suse.cz>
246 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
248 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
250 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
251 our distinct integral and vector types.
253 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
255 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
256 * init.c (build_vtbl_address): Remove call to assemble_external.
258 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
260 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
261 output for other floating point modes.
263 2009-04-14 Diego Novillo <dnovillo@google.com>
265 * diagnostic.c (diagnostic_report_diagnostic): Do not
266 warn about loaded plugins for DK_ERROR and DK_WARNING.
267 * c-decl.c (declspecs_add_type): Move call to
268 invoke_plugin_callbacks ...
269 * c-parser.c (c_parser_declspecs): ... here.
270 * plugin.c (dump_active_plugins): Tidy output.
272 2009-04-14 Diego Novillo <dnovillo@google.com>
273 Le-Chun Wu <lcwu@google.com>
275 * configure.ac: Add --enable-plugin support.
276 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
277 * Makefile.in (PLUGIN_H): Define.
278 Export ENABLE_PLUGIN and GMPINC to site.exp.
279 Add PLUGINLIBS to link command.
280 Add/modify dependencies for plugin.o and files including plugin.h.
281 (plugin.o): New.
282 * config.in: Regenerate.
284 * opts.c (common_handle_option): Handle OPT_fplugin_ and
285 OPT_fplugin_arg_.
287 2009-04-14 Le-Chun Wu <lcwu@google.com>
289 * tree-pass.h (register_one_dump_file): Add a prototype for
290 register_one_dump_file.
291 * toplev.c (compile_file): Call initialize_plugins.
292 (do_compile): Call invoke_plugin_callbacks.
293 (toplev_main): Call invoke_plugin_callbacks.
294 * common.opt: Add -fplugin= and -fplugin-arg-.
295 * gcc-plugin.h: New public header file for plugins to include.
296 * plugin.c: New source file.
297 * plugin.h: New internal header file.
298 * passes.c (register_one_dump_file): Make it external.
300 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
302 2009-04-14 Diego Novillo <dnovillo@google.com>
304 * doc/plugins.texi: New.
305 * doc/gccint.texi: Add reference to Plugins chapter.
306 * doc/invoke.texi: Document -fplugin and -fplugin-arg
307 * diagnostic.c (diagnostic_report_diagnostic): Warn about
308 loaded plugins, if any.
309 * timevar.def (TV_PLUGIN_INIT): Define.
310 (TV_PLUGIN_RUN): Define.
311 * plugin.c: Include timevar.h
312 (plugins_active_p): New.
313 (dump_active_plugins): New.
314 (debug_active_plugins): New.
316 2009-04-14 Joseph Myers <joseph@codesourcery.com>
318 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
319 library paths.
320 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
322 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
324 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
325 the same as a minus without a shift.
327 2009-04-14 Nick Clifton <nickc@redhat.com>
329 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
330 comparisons with small integers will always produce a short
331 branch.
333 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
335 Merge:
337 2008-12-19 Diego Novillo <dnovillo@google.com>
339 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
341 2000-04-14 Richard Guenther <rguenther@suse.de>
343 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
344 verification.
345 (verify_gimple_assign_binary): Likewise. Handle shifts and
346 rotates correctly.
347 (verify_gimple_phi): Print the mismatched argument position.
348 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
349 Fix types.
350 (vect_update_init_of_dr): Likewise.
351 * matrix-reorg.c (transform_access_sites): Do what the
352 comment suggests.
353 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
355 2009-04-13 Michael Eager <eager@eagercon.com>
357 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
358 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
359 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
360 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
361 remove duplicate config
363 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
365 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
366 file_name:line_number type locator of the call site.
368 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
370 * genautomata.c: Put blank after comma.
371 (automaton_decls): New.
372 (struct unit_usage): Add comments to member next.
373 (store_alt_unit_usage): Keep the list ordered.
374 (unit_present_on_list_p, equal_alternatives_p): New.
375 (check_regexp_units_distribution): Check units distribution
376 correctness correctly.
377 (main): Don't write automata if error is found. Return correct
378 exit code.
380 * config/m68k/cf.md (cfv4_ds): Remove.
381 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
382 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
384 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
385 power4-load-ext, power4-store, power4-store-update,
386 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
387 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
388 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
389 power4-sqrt, power4-isync): Modify reservation to make correct
390 unit distribution to automata.
392 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
393 power5-store-update, power5-two, power5-three, power5-lmul,
394 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
396 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
398 * except.c (pass_set_nothrow_function_flags): Set name and add
399 TODO_dump_func.
400 (set_nothrow_function_flags): Mention in the dump file when
401 changing a function to nothrow.
403 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
405 PR/39066
406 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
407 instead of unsigned long.
409 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
411 * config/arm/arm.c (return_used_this_function): Remove.
412 (arm_output_function_prologue): Remove use of
413 return_used_this_function.
414 (output_return_instruction): Replace use of
415 return_used_this_function
416 by cfun->machine->return_used_this_function.
417 (arm_output_epilogue): Likewise.
418 (arm_output_function_epilogue): Likewise.
419 (thumb_unexpanded_epilogue): Likewise.
420 * config/arm/arm.h (struct machine_function):
421 New member return_used_this_function.
423 2009-04-12 Mark Mitchell <mark@codesourcery.com>
425 * doc/install.texi: Correct description of default directory for
426 --with-gxx-include-dir.
428 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
430 * fold-const.c (build_range_check): Properly deal with enumeral and
431 boolean base types.
433 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
435 * doc/invoke.texi (max_gcse_passes): Remove documentation.
436 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
437 * params.h (MAX_GCSE_PASSES): Remove.
438 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
439 in sequence. Remove ability to run multiple passes.
440 (bypass_jumps): Report run as third CPROP pass.
442 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
444 PR middle-end/39651
445 * except.c (can_throw_external): Look at each insn in a SEQUENCE
446 when deciding whether the whole SEQUENCE can throw.
448 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
450 PR target/39740
451 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
452 offseted label references.
454 2009-04-11 Jan Hubicka <jh@suse.cz>
456 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
458 2009-04-11 Richard Guenther <rguenther@suse.de>
460 PR middle-end/39732
461 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
462 return variables as TREE_ADDRESSABLE.
464 2009-04-11 Richard Guenther <rguenther@suse.de>
466 PR tree-optimization/39713
467 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
468 reference trees have SSA_NAME operands.
470 2009-04-11 Richard Guenther <rguenther@suse.de>
472 PR c/39712
473 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
474 address expressions.
476 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
478 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
479 match changes in Cygwin 1.7
480 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
481 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
483 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
485 PR tree-optimization/39701
486 * doc/invoke.texi (Optimization Options): Document change in
487 meaning and initialization of -fdelete-null-pointer-checks.
489 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
491 PR middle-end/39701
492 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
494 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
495 here.
497 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
499 2009-04-10 Chao-ying Fu <fu@mips.com>
501 * doc/tm.texi (Instruction Output): Document
502 TARGET_ASM_FINAL_POSTSCAN_INSN.
503 * target.h (final_postscan_insn): New field in asm_out.
504 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
505 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
506 * final.c (final_scan_insn): Call
507 targetm.asm_out.final_postscan_insn after outputting
508 an asm macro and a normal instruction.
510 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
511 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
512 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
513 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
514 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
516 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
518 PR middle-end/39701
519 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
520 variables as non-NULL even with -fdelete-null-pointer-checks.
522 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
524 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
526 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
528 PR target/39678
529 * config/i386/i386.c (classify_argument): Handle SCmode with
530 (bit_offset % 64) != 0.
532 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
534 * doc/invoke.texi (Optimize Options): Add cross-reference to
535 -Q --help=optimizers examples.
537 2009-04-10 Ben Elliston <bje@au.ibm.com>
539 PR target/36800
540 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
541 regalign for the reg == fpr and TDmode case.
543 2009-04-09 David Ayers <ayers@fsfe.org>
545 PR objc/29200
546 * objc/objc-act.c (warn_with_method): Remove helper function.
547 (check_duplicates): Call warning and inform directly.
548 (really_start_method): Likewise.
550 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
552 * expmed.c (expand_divmod): Always use a comparison for a division
553 by a large unsigned integer.
555 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
556 for things others than variables or functions as nonzero.
558 2009-04-09 Nick Clifton <nickc@redhat.com>
560 * unwind-compat.c: Change copyright header to refer to version
561 3 of the GNU General Public License with version 3.1 of the
562 GCC Runtime Library Exception and to point readers at the
563 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
564 * config/alpha/crtfastmath.c: Likewise.
565 * config/alpha/linux-unwind.h: Likewise.
566 * config/alpha/qrnnd.asm: Likewise.
567 * config/alpha/vms-crt0-64.c: Likewise.
568 * config/alpha/vms-crt0.c: Likewise.
569 * config/alpha/vms-dwarf2.asm: Likewise.
570 * config/alpha/vms-dwarf2eh.asm: Likewise.
571 * config/alpha/vms-psxcrt0-64.c: Likewise.
572 * config/alpha/vms-psxcrt0.c: Likewise.
573 * config/alpha/vms_tramp.asm: Likewise.
574 * config/arc/initfini.c: Likewise.
575 * config/arc/lib1funcs.asm: Likewise.
576 * config/arm/bpabi-v6m.S: Likewise.
577 * config/arm/bpabi.S: Likewise.
578 * config/arm/bpabi.c: Likewise.
579 * config/arm/crti.asm: Likewise.
580 * config/arm/crtn.asm: Likewise.
581 * config/arm/ieee754-df.S: Likewise.
582 * config/arm/ieee754-sf.S: Likewise.
583 * config/arm/lib1funcs.asm: Likewise.
584 * config/arm/libunwind.S: Likewise.
585 * config/arm/linux-atomic.c: Likewise.
586 * config/arm/mmintrin.h: Likewise.
587 * config/arm/pr-support.c: Likewise.
588 * config/arm/unaligned-funcs.c: Likewise.
589 * config/arm/unwind-arm.c: Likewise.
590 * config/arm/unwind-arm.h: Likewise.
591 * config/avr/libgcc.S: Likewise.
592 * config/bfin/crti.s: Likewise.
593 * config/bfin/crtlibid.s: Likewise.
594 * config/bfin/crtn.s: Likewise.
595 * config/bfin/lib1funcs.asm: Likewise.
596 * config/bfin/linux-unwind.h: Likewise.
597 * config/cris/arit.c: Likewise.
598 * config/cris/cris_abi_symbol.c: Likewise.
599 * config/darwin-64.c: Likewise.
600 * config/darwin-crt2.c: Likewise.
601 * config/darwin-crt3.c: Likewise.
602 * config/darwin.h: Likewise.
603 * config/dbxelf.h: Likewise.
604 * config/dfp-bit.c: Likewise.
605 * config/dfp-bit.h: Likewise.
606 * config/elfos.h: Likewise.
607 * config/fixed-bit.c: Likewise.
608 * config/fixed-bit.h: Likewise.
609 * config/fp-bit.c: Likewise.
610 * config/fp-bit.h: Likewise.
611 * config/fr30/crti.asm: Likewise.
612 * config/fr30/crtn.asm: Likewise.
613 * config/fr30/lib1funcs.asm: Likewise.
614 * config/freebsd-spec.h: Likewise.
615 * config/frv/cmovd.c: Likewise.
616 * config/frv/cmovh.c: Likewise.
617 * config/frv/cmovw.c: Likewise.
618 * config/frv/frvbegin.c: Likewise.
619 * config/frv/frvend.c: Likewise.
620 * config/frv/lib1funcs.asm: Likewise.
621 * config/glibc-stdint.h: Likewise.
622 * config/h8300/clzhi2.c: Likewise.
623 * config/h8300/crti.asm: Likewise.
624 * config/h8300/crtn.asm: Likewise.
625 * config/h8300/ctzhi2.c: Likewise.
626 * config/h8300/fixunssfsi.c: Likewise.
627 * config/h8300/lib1funcs.asm: Likewise.
628 * config/h8300/parityhi2.c: Likewise.
629 * config/h8300/popcounthi2.c: Likewise.
630 * config/i386/ammintrin.h: Likewise.
631 * config/i386/att.h: Likewise.
632 * config/i386/avxintrin.h: Likewise.
633 * config/i386/biarch64.h: Likewise.
634 * config/i386/bmmintrin.h: Likewise.
635 * config/i386/cpuid.h: Likewise.
636 * config/i386/cross-stdarg.h: Likewise.
637 * config/i386/crtfastmath.c: Likewise.
638 * config/i386/crtprec.c: Likewise.
639 * config/i386/cygming-crtbegin.c: Likewise.
640 * config/i386/cygming-crtend.c: Likewise.
641 * config/i386/cygwin.asm: Likewise.
642 * config/i386/emmintrin.h: Likewise.
643 * config/i386/gmm_malloc.h: Likewise.
644 * config/i386/gthr-win32.c: Likewise.
645 * config/i386/i386.h: Likewise.
646 * config/i386/immintrin.h: Likewise.
647 * config/i386/linux-unwind.h: Likewise.
648 * config/i386/linux64.h: Likewise.
649 * config/i386/mm3dnow.h: Likewise.
650 * config/i386/mmintrin-common.h: Likewise.
651 * config/i386/mmintrin.h: Likewise.
652 * config/i386/nmmintrin.h: Likewise.
653 * config/i386/pmm_malloc.h: Likewise.
654 * config/i386/pmmintrin.h: Likewise.
655 * config/i386/smmintrin.h: Likewise.
656 * config/i386/sol2-c1.asm: Likewise.
657 * config/i386/sol2-ci.asm: Likewise.
658 * config/i386/sol2-cn.asm: Likewise.
659 * config/i386/sol2-gc1.asm: Likewise.
660 * config/i386/tmmintrin.h: Likewise.
661 * config/i386/unix.h: Likewise.
662 * config/i386/w32-unwind.h: Likewise.
663 * config/i386/wmmintrin.h: Likewise.
664 * config/i386/x86-64.h: Likewise.
665 * config/i386/x86intrin.h: Likewise.
666 * config/i386/xmmintrin.h: Likewise.
667 * config/ia64/crtbegin.asm: Likewise.
668 * config/ia64/crtend.asm: Likewise.
669 * config/ia64/crtfastmath.c: Likewise.
670 * config/ia64/crti.asm: Likewise.
671 * config/ia64/crtn.asm: Likewise.
672 * config/ia64/fde-glibc.c: Likewise.
673 * config/ia64/lib1funcs.asm: Likewise.
674 * config/ia64/linux-unwind.h: Likewise.
675 * config/ia64/quadlib.c: Likewise.
676 * config/ia64/unwind-ia64.c: Likewise.
677 * config/linux.h: Likewise.
678 * config/m32c/m32c-lib1.S: Likewise.
679 * config/m32c/m32c-lib2-trapv.c: Likewise.
680 * config/m32c/m32c-lib2.c: Likewise.
681 * config/m32r/initfini.c: Likewise.
682 * config/m68hc11/larith.asm: Likewise.
683 * config/m68hc11/m68hc11-crt0.S: Likewise.
684 * config/m68k/cf.md: Likewise.
685 * config/m68k/crti.s: Likewise.
686 * config/m68k/crtn.s: Likewise.
687 * config/m68k/lb1sf68.asm: Likewise.
688 * config/m68k/linux-unwind.h: Likewise.
689 * config/mcore/crti.asm: Likewise.
690 * config/mcore/crtn.asm: Likewise.
691 * config/mcore/lib1.asm: Likewise.
692 * config/mips/linux-unwind.h: Likewise.
693 * config/mips/loongson.h: Likewise.
694 * config/mips/mips16.S: Likewise.
695 * config/mmix/crti.asm: Likewise.
696 * config/mmix/crtn.asm: Likewise.
697 * config/pa/fptr.c: Likewise.
698 * config/pa/hpux-unwind.h: Likewise.
699 * config/pa/lib2funcs.asm: Likewise.
700 * config/pa/linux-atomic.c: Likewise.
701 * config/pa/linux-unwind.h: Likewise.
702 * config/pa/milli64.S: Likewise.
703 * config/pa/quadlib.c: Likewise.
704 * config/pa/stublib.c: Likewise.
705 * config/picochip/libgccExtras/adddi3.asm: Likewise.
706 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
707 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
708 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
709 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
710 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
711 * config/picochip/libgccExtras/divmod15.asm: Likewise.
712 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
713 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
714 * config/picochip/libgccExtras/longjmp.asm: Likewise.
715 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
716 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
717 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
718 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
719 * config/picochip/libgccExtras/setjmp.asm: Likewise.
720 * config/picochip/libgccExtras/subdi3.asm: Likewise.
721 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
722 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
723 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
724 * config/rs6000/750cl.h: Likewise.
725 * config/rs6000/altivec.h: Likewise.
726 * config/rs6000/biarch64.h: Likewise.
727 * config/rs6000/crtresfpr.asm: Likewise.
728 * config/rs6000/crtresgpr.asm: Likewise.
729 * config/rs6000/crtresxfpr.asm: Likewise.
730 * config/rs6000/crtresxgpr.asm: Likewise.
731 * config/rs6000/crtsavfpr.asm: Likewise.
732 * config/rs6000/crtsavgpr.asm: Likewise.
733 * config/rs6000/darwin-asm.h: Likewise.
734 * config/rs6000/darwin-fallback.c: Likewise.
735 * config/rs6000/darwin-fpsave.asm: Likewise.
736 * config/rs6000/darwin-ldouble.c: Likewise.
737 * config/rs6000/darwin-tramp.asm: Likewise.
738 * config/rs6000/darwin-unwind.h: Likewise.
739 * config/rs6000/darwin-vecsave.asm: Likewise.
740 * config/rs6000/darwin-world.asm: Likewise.
741 * config/rs6000/e500crtres32gpr.asm: Likewise.
742 * config/rs6000/e500crtres64gpr.asm: Likewise.
743 * config/rs6000/e500crtres64gprctr.asm: Likewise.
744 * config/rs6000/e500crtrest32gpr.asm: Likewise.
745 * config/rs6000/e500crtrest64gpr.asm: Likewise.
746 * config/rs6000/e500crtresx32gpr.asm: Likewise.
747 * config/rs6000/e500crtresx64gpr.asm: Likewise.
748 * config/rs6000/e500crtsav32gpr.asm: Likewise.
749 * config/rs6000/e500crtsav64gpr.asm: Likewise.
750 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
751 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
752 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
753 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
754 * config/rs6000/eabi-ci.asm: Likewise.
755 * config/rs6000/eabi-cn.asm: Likewise.
756 * config/rs6000/eabi.asm: Likewise.
757 * config/rs6000/linux-unwind.h: Likewise.
758 * config/rs6000/linux64.h: Likewise.
759 * config/rs6000/paired.h: Likewise.
760 * config/rs6000/paired.md: Likewise.
761 * config/rs6000/ppc64-fp.c: Likewise.
762 * config/rs6000/ppu_intrinsics.h: Likewise.
763 * config/rs6000/rs6000.h: Likewise.
764 * config/rs6000/si2vmx.h: Likewise.
765 * config/rs6000/sol-ci.asm: Likewise.
766 * config/rs6000/sol-cn.asm: Likewise.
767 * config/rs6000/spe.h: Likewise.
768 * config/rs6000/spu2vmx.h: Likewise.
769 * config/rs6000/sysv4.h: Likewise.
770 * config/rs6000/tramp.asm: Likewise.
771 * config/rs6000/vec_types.h: Likewise.
772 * config/s390/linux-unwind.h: Likewise.
773 * config/s390/tpf-unwind.h: Likewise.
774 * config/score/crti.asm: Likewise.
775 * config/score/crtn.asm: Likewise.
776 * config/sh/crt1.asm: Likewise.
777 * config/sh/crti.asm: Likewise.
778 * config/sh/crtn.asm: Likewise.
779 * config/sh/divtab-sh4-300.c: Likewise.
780 * config/sh/divtab-sh4.c: Likewise.
781 * config/sh/divtab.c: Likewise.
782 * config/sh/lib1funcs-4-300.asm: Likewise.
783 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
784 * config/sh/lib1funcs.asm: Likewise.
785 * config/sh/lib1funcs.h: Likewise.
786 * config/sh/linux-atomic.asm: Likewise.
787 * config/sh/linux-unwind.h: Likewise.
788 * config/sh/shmedia.h: Likewise.
789 * config/sh/sshmedia.h: Likewise.
790 * config/sh/ushmedia.h: Likewise.
791 * config/sparc/crtfastmath.c: Likewise.
792 * config/sparc/linux-unwind.h: Likewise.
793 * config/sparc/sol2-c1.asm: Likewise.
794 * config/sparc/sol2-ci.asm: Likewise.
795 * config/sparc/sol2-cn.asm: Likewise.
796 * config/spu/divmodti4.c: Likewise.
797 * config/spu/divv2df3.c: Likewise.
798 * config/spu/float_disf.c: Likewise.
799 * config/spu/float_unsdidf.c: Likewise.
800 * config/spu/float_unsdisf.c: Likewise.
801 * config/spu/float_unssidf.c: Likewise.
802 * config/spu/mfc_multi_tag_release.c: Likewise.
803 * config/spu/mfc_multi_tag_reserve.c: Likewise.
804 * config/spu/mfc_tag_release.c: Likewise.
805 * config/spu/mfc_tag_reserve.c: Likewise.
806 * config/spu/mfc_tag_table.c: Likewise.
807 * config/spu/multi3.c: Likewise.
808 * config/spu/spu_internals.h: Likewise.
809 * config/spu/spu_intrinsics.h: Likewise.
810 * config/spu/spu_mfcio.h: Likewise.
811 * config/spu/vec_types.h: Likewise.
812 * config/spu/vmx2spu.h: Likewise.
813 * config/stormy16/stormy16-lib2.c: Likewise.
814 * config/svr4.h: Likewise.
815 * config/sync.c: Likewise.
816 * config/v850/lib1funcs.asm: Likewise.
817 * config/vxlib-tls.c: Likewise.
818 * config/vxlib.c: Likewise.
819 * config/vxworks-dummy.h: Likewise.
820 * config/xtensa/crti.asm: Likewise.
821 * config/xtensa/crtn.asm: Likewise.
822 * config/xtensa/ieee754-df.S: Likewise.
823 * config/xtensa/ieee754-sf.S: Likewise.
824 * config/xtensa/lib1funcs.asm: Likewise.
825 * config/xtensa/lib2funcs.S: Likewise.
826 * config/xtensa/linux-unwind.h: Likewise.
827 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
828 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
829 * coretypes.h: Likewise.
830 * crtstuff.c: Likewise.
831 * defaults.h: Likewise.
832 * dwarf2.h: Likewise.
833 * emutls.c: Likewise.
834 * gbl-ctors.h: Likewise.
835 * gcov-io.h: Likewise.
836 * ginclude/float.h: Likewise.
837 * ginclude/iso646.h: Likewise.
838 * ginclude/stdarg.h: Likewise.
839 * ginclude/stdbool.h: Likewise.
840 * ginclude/stddef.h: Likewise.
841 * ginclude/stdfix.h: Likewise.
842 * ginclude/stdint-gcc.h: Likewise.
843 * ginclude/tgmath.h: Likewise.
844 * gthr-aix.h: Likewise.
845 * gthr-dce.h: Likewise.
846 * gthr-gnat.c: Likewise.
847 * gthr-gnat.h: Likewise.
848 * gthr-lynx.h: Likewise.
849 * gthr-mipssde.h: Likewise.
850 * gthr-nks.h: Likewise.
851 * gthr-posix.c: Likewise.
852 * gthr-posix.h: Likewise.
853 * gthr-posix95.h: Likewise.
854 * gthr-rtems.h: Likewise.
855 * gthr-single.h: Likewise.
856 * gthr-solaris.h: Likewise.
857 * gthr-tpf.h: Likewise.
858 * gthr-vxworks.h: Likewise.
859 * gthr-win32.h: Likewise.
860 * gthr.h: Likewise.
861 * libgcc2.c: Likewise.
862 * libgcc2.h: Likewise.
863 * libgcov.c: Likewise.
864 * tsystem.h: Likewise.
865 * typeclass.h: Likewise.
866 * unwind-c.c: Likewise.
867 * unwind-compat.h: Likewise.
868 * unwind-dw2-fde-compat.c: Likewise.
869 * unwind-dw2-fde-darwin.c: Likewise.
870 * unwind-dw2-fde-glibc.c: Likewise.
871 * unwind-dw2-fde.c: Likewise.
872 * unwind-dw2-fde.h: Likewise.
873 * unwind-dw2.c: Likewise.
874 * unwind-dw2.h: Likewise.
875 * unwind-generic.h: Likewise.
876 * unwind-pe.h: Likewise.
877 * unwind-sjlj.c: Likewise.
878 * unwind.inc: Likewise.
879 * config/arm/neon-gen.ml: Change generated copyright header to
880 refer to version 3 of the GNU General Public License with
881 version 3.1 of the GCC Runtime Library Exception and to point
882 readers at the COPYING3 and COPYING3.RUNTIME files and the
883 FSF's license web page.
884 * config/arm/arm_neon.h: Regenerate.
886 2009-04-09 Jakub Jelinek <jakub@redhat.com>
888 * config/cris/cris.md: Change copyright header to refer to version
889 3 of the GNU General Public License.
890 * doc/install.texi2html: Change copyright header to refer to version
891 3 of the GNU General Public License and to point readers at the
892 COPYING3 file and the FSF's license web page.
893 * config/vax/linux.h: Likewise.
895 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
897 * config/i386/i386.md (cmpcc): New.
898 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
899 (sync_compare_and_swap_cc*): Delete.
901 * config/s390/s390.c (s390_compare_emitted): Remove.
902 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
903 s390_compare_emitted used to be handled. Assert that modes match.
904 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
905 refer to sync_compare_and_swap_ccsi.
906 * config/s390/s390.h (s390_compare_emitted): Remove.
907 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
908 instead of s390_compare_emitted.
909 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
910 instead of s390_compare_emitted.
911 * config/s390/s390.md (cmpcc): New.
912 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
913 CC_REGNUM, do not pretend it's set.
914 (sync_compare_and_swap_cc*): Delete.
915 * config/s390/predicates.md (cc_reg_operand): New.
917 * expr.c (sync_compare_and_swap_cc): Delete.
918 * optabs.h (sync_compare_and_swap_cc): Delete.
919 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
920 is being used with can_compare_p.
921 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
922 (find_cc_set): New.
923 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
924 look for a MODE_CC set instead. Use emit_store_flag.
925 (expand_compare_and_swap_loop): Likewise, with some additional
926 complication to avoid a force_reg when useless. Use
927 emit_cmp_and_jump_insns.
928 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
929 * doc/md.texi (sync_compare_and_swap_cc): Merge with
930 sync_compare_and_swap documentation.
932 2009-04-09 Jan Hubicka <jh@suse.cz>
934 * except.c (find_prev_try): Break out from ....
935 (duplicate_eh_regions): ... here; properly update prev_try pointers
936 when duplication part of tree.
937 (dump_eh_tree): Improve dumping.
938 (verify_eh_region): New.
939 (verify_eh_tree): Use it.
941 2009-04-06 Richard Guenther <rguenther@suse.de>
943 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
944 &ARRAY addresses by adjusting their types and prepending
945 a conversion.
946 * tree-cfg.c (verify_gimple_assign_single): Verify that
947 addresses are correct.
949 2009-04-09 Richard Guenther <rguenther@suse.de>
951 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
952 indices into an array reference if possible.
953 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
954 Fold POINTER_PLUS_EXPR statements with invariant address.
956 2009-04-09 Alan Modra <amodra@bigpond.net.au>
958 PR target/39634
959 * config.gcc (powerpc64-*-linux*): Always build biarch.
961 2009-04-09 Joseph Myers <joseph@codesourcery.com>
963 PR c/39613
964 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
965 it and pedwarn if this results in an INTEGER_CST.
967 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
969 * doc/install.texi: Update minimum GMP version. Remove obsolete
970 text in MPFR section.
972 2009-04-08 Jakub Jelinek <jakub@redhat.com>
974 * dwarf2out.c (class_scope_p): New static inline.
975 (class_or_namespace_scope_p): Use it.
976 (gen_variable_die): Use DW_TAG_member tag for static data member
977 declarations instead of DW_TAG_variable.
979 PR middle-end/39573
980 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
981 variables.
983 2009-04-08 Richard Guenther <rguenther@suse.de>
985 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
986 valueize random data.
988 2009-04-08 David Edelsohn <edelsohn@gnu.org>
990 * config.gcc (aix tm_file): Add aix-stdint.h.
991 (aix tm clause use_gcc_stdint): Set to wrap.
992 * config/rs6000/aix-stdint.h: New file.
994 2009-04-08 Richard Guenther <rguenther@suse.de>
996 PR middle-end/36291
997 * tree-dfa.c (add_referenced_var): Do not recurse into
998 global initializers.
999 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1000 exposed variables.
1001 (fold_const_aggregate_ref): Likewise.
1003 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1005 * recog.c (ordered_comparison_operator): New.
1006 * gensupport.c (std_preds): Add it.
1007 * doc/md.texi (Machine-Independent Predicates): Document it.
1009 2009-04-08 Jan Hubicka <jh@suse.cz>
1011 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1012 * function.h (rtl_eh): Remove exception_handler_label_map.
1013 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1014 remove_exception_handler_label, for_each_eh_label_1): Remove.
1015 (rtl_remove_unreachable_regions): Remove.
1016 (convert_from_eh_region_ranges): Do not remove unreachable regions.
1017 (find_exception_handler_labels): Don't build the hashtable.
1018 (maybe_remove_eh_handler): Remove.
1019 (for_each_eh_label): Rewrite to walk the tree.
1020 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1021 * except.h (maybe_remove_eh_handler): Remove.
1022 * passes.c (init_optimization_passes): Schedule second EH cleanup
1023 before out-of-ssa.
1024 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1025 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1027 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1029 * genoutput.c (validate_optab_operands): New.
1030 (gen_insn, gen_expand): Call it.
1032 * genflags.c (gen_insn): Detect misused iterators.
1033 (main): Pass line_no to gen_insn, exit with status 1 on error.
1035 * genextract.c (line_no): Make global.
1036 (VEC_safe_set_locstr): Change assertion to error message.
1037 (main): Exit with status 1 on error.
1039 2009-04-08 Joseph Myers <joseph@codesourcery.com>
1041 PR c/39614
1042 PR c/39673
1043 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1044 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1045 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1046 * c-convert.c (convert): Do not call fold on results of conversion
1047 functions when the result is a C_MAYBE_CONST_EXPR.
1048 * c-parser.c (c_parser_postfix_expression): Do not fold condition
1049 of __builtin_choose_expr.
1050 * c-typeck.c (remove_c_maybe_const_expr): New.
1051 (build_unary_op, build_conditional_expr, build_compound_expr,
1052 build_binary_op, c_objc_common_truthvalue_conversion): Call
1053 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1054 integer operands.
1056 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1058 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
1059 CODE to produce a new one. Add a prototype to use fold_convert_const
1061 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
1063 PR bootstrap/39660
1064 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1065 mix declarations and code.
1067 2009-04-08 Ben Elliston <bje@au.ibm.com>
1069 * gcc.c: Replace `CC' with `GCC' throughout.
1071 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
1073 * doc/invoke.texi: Document Atom support.
1075 2009-04-07 Jason Merrill <jason@redhat.com>
1077 PR c++/25185
1078 * c-common.h, c-common.c: Add flag_pretty_templates.
1079 * c-opts.c (c_common_handle_option): Set it.
1080 * c.opt: Add -fno-pretty-templates.
1081 * doc/invoke.texi (C++ Dialect Options): Likewise.
1083 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
1085 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1086 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1087 (ia64_expand_builtin): Likewise.
1089 2009-04-07 Martin Jambor <mjambor@suse.cz>
1091 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1092 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1093 ADDR_EXPRS are include too.
1095 2009-04-07 Richard Guenther <rguenther@suse.de>
1097 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1098 decls are only used if passes as parameters or if they are
1099 local statics and the call is not to a builtin.
1100 (call_may_clobber_ref_p_1): Likewise.
1102 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1104 * expr.c (do_store_flag): Remove last argument. Simplify code
1105 to avoid duplication of tests already done by can_compare_p.
1106 (expand_expr_real_1): Adjust caller.
1108 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1110 * optabs.c (can_compare_p): Test the predicate of a
1111 cbranch and cstore pattern.
1113 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1115 * expr.c (convert_move): Use emit_store_flag instead of
1116 "emulating" it.
1118 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1120 * config/i386/i386.c (ix86_compare_emitted): Remove.
1121 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1122 ix86_compare_op0 like ix86_compare_emitted used to be handled.
1123 * config/i386/i386.h (ix86_compare_emitted): Remove.
1124 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1125 instead of ix86_compare_emitted.
1126 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1128 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
1130 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1131 Add t-sysroot-suffix to tmake_file.
1132 * config/print-sysroot-suffix.sh: New file.
1133 * config/t-sysroot-suffix: New file.
1135 2009-04-07 Ben Elliston <bje@au.ibm.com>
1137 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1138 as the latter produces a warning when the target does not support
1139 infinity.
1141 2009-04-07 Ben Elliston <bje@au.ibm.com>
1143 * dfp.c: Replace type punning assignments with memcpy throughout.
1144 * Makefile.in (dfp.o-warn): Remove.
1146 2009-04-07 Alan Modra <amodra@bigpond.net.au>
1148 PR target/39634
1149 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1150 Include soft-fp/t-softfp after rs6000/t-linux64.
1152 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
1154 * stor-layout.c (set_sizetype): Use the full precision of their
1155 machine mode for bitsize types.
1157 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
1159 * config/i386/i386.md: Revert 2 accidental checkins.
1161 2009-04-06 Joey Ye <joey.ye@intel.com>
1162 Xuepeng Guo <xuepeng.guo@intel.com>
1163 H.J. Lu <hongjiu.lu@intel.com>
1165 Atom pipeline model, tuning and insn selection.
1166 * config.gcc (atom): Add atom config options and target.
1168 * config/i386/atom.md: New.
1170 * config/i386/i386.c (atom_cost): New cost.
1171 (m_ATOM): New macro flag.
1172 (initial_ix86_tune_features): Set m_ATOM.
1173 (x86_accumulate_outgoing_args): Likewise.
1174 (x86_arch_always_fancy_math_387): Likewise.
1175 (processor_target): Add Atom cost.
1176 (cpu_names): Add Atom cpu name.
1177 (override_options): Set Atom ISA.
1178 (ix86_issue_rate): New case PROCESSOR_ATOM.
1179 (ix86_adjust_cost): Likewise.
1181 * config/i386/i386.h (TARGET_ATOM): New target macro.
1182 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1183 (TARGET_OPT_AGU): New target option.
1184 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1185 (processor_type): Add PROCESSOR_ATOM.
1187 * config/i386/i386.md (cpu): Add new value "atom".
1188 (use_carry, movu): New attr.
1189 (atom.md): Include atom.md.
1190 (adddi3_carry_rex64): Set attr "use_carry".
1191 (addqi3_carry): Likewise.
1192 (addhi3_carry): Likewise.
1193 (addsi3_carry): Likewise.
1194 (*addsi3_carry_zext): Likewise.
1195 (subdi3_carry_rex64): Likewise.
1196 (subqi3_carry): Likewise.
1197 (subhi3_carry): Likewise.
1198 (subsi3_carry): Likewise.
1199 (x86_movdicc_0_m1_rex64): Likewise.
1200 (*x86_movdicc_0_m1_se): Likewise.
1201 (x86_movsicc_0_m1): Likewise.
1202 (*x86_movsicc_0_m1_se): Likewise.
1203 (*adddi_1_rex64): Emit add insn as much as possible.
1204 (*addsi_1): Likewise.
1205 (return_internal): Set atom_unit.
1206 (return_internal_long): Likewise.
1207 (return_pop_internal): Likewise.
1208 (*rcpsf2_sse): Set atom_sse_attr attr.
1209 (*qrt<mode>2_sse): Likewise.
1210 (*prefetch_sse): Likewise.
1212 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1213 PROCESSOR_ATOM.
1214 (ix86_target_macros_internal): Likewise.
1216 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1217 (*prefetch_sse_rex): Likewise.
1218 (sse_rcpv4sf2): Likewise.
1219 (sse_vmrcpv4sf2): Likewise.
1220 (sse_sqrtv4sf2): Likewise.
1221 (<sse>_vmsqrt<mode>2): Likewise.
1222 (sse_ldmxcsr): Likewise.
1223 (sse_stmxcsr): Likewise.
1224 (*sse_sfence): Likewise.
1225 (sse2_clflush): Likewise.
1226 (*sse2_mfence): Likewise.
1227 (*sse2_lfence): Likewise.
1228 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1229 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1230 (avx_movdqu<avxmodesuffix>): Likewise.
1231 (avx_lddqu<avxmodesuffix>): Likewise.
1232 (sse2_movntv2di): Change attr "type" to "ssemov".
1233 (sse2_movntsi): Likewise.
1234 (rsqrtv8sf2): Change attr "type" to "sseadd".
1235 (sse3_addsubv2df3): Set attr "atom_unit".
1236 (sse3_h<plusminus_insn>v4sf3): Likewise.
1237 (*sse2_pmaddwd): Likewise.
1238 (*vec_extractv2di_1_rex64): Likewise.
1239 (*vec_extractv2di_1_avx): Likewise.
1240 (sse2_psadbw): Likewise.
1241 (ssse3_phaddwv8hi3): Likewise.
1242 (ssse3_phaddwv4hi3): Likewise.
1243 (ssse3_phadddv4si3): Likewise.
1244 (ssse3_phadddv2si3): Likewise.
1245 (ssse3_phaddswv8hi3): Likewise.
1246 (ssse3_phaddswv4hi3): Likewise.
1247 (ssse3_phsubwv8hi3): Likewise.
1248 (ssse3_phsubwv4hi3): Likewise.
1249 (ssse3_phsubdv4si3): Likewise.
1250 (ssse3_phsubdv2si3): Likewise.
1251 (ssse3_phsubswv8hi3): Likewise.
1252 (ssse3_phsubswv4hi3): Likewise.
1253 (ssse3_pmaddubsw128): Likewise.
1254 (sse3_pmaddubsw: Likewise.
1255 (ssse3_palignrti): Likewise.
1256 (ssse3_palignrdi): Likewise.
1258 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1260 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1262 2009-04-06 Richard Guenther <rguenther@suse.de>
1264 PR tree-optimization/28868
1265 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1266 of which PHI results we inserted.
1267 (insert_into_preds_of_block): Record inserted PHIs.
1268 (eliminate): Eliminate redundant PHI nodes.
1269 (init_pre): Init inserted_phi_names.
1271 2009-04-06 Richard Guenther <rguenther@suse.de>
1273 PR tree-optimization/39643
1274 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1275 IMAGPART_EXPRs of complex constants.
1276 (execute_fold_all_builtins): If we folded a call queue
1277 TODO_update_address_taken.
1279 2009-04-06 Jan Hubicka <jh@suse.cz>
1281 PR middle-end/39659
1282 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1283 flag.
1285 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1287 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1288 delay slot.
1289 (ic_invalidate_array): Likewise.
1291 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1293 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1294 alignment for library calls.
1296 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1298 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1299 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1300 * config/i386/mingw-stdint.h: New file.
1302 2009-04-05 Richard Guenther <rguenther@suse.de>
1304 PR tree-optimization/39648
1305 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1306 our &A vs. &A[0] IL deficiencies.
1308 2009-04-04 Jan Hubicka <jh@suse.cz>
1310 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1311 removed toplevel regions.
1312 (sjlj_mark_call_sites): Likewise.
1314 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1316 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1317 (cygwin tm clause use_gcc_stdint): Set to wrap.
1318 * config/i386/cygwin-stdint.h: New file.
1320 2009-04-04 Richard Guenther <rguenther@suse.de>
1322 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1323 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1324 single-argument PHIs if we are in loop-closed SSA form.
1325 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1326 for the pre-condition.
1327 (slpeel_tree_peel_loop_to_edge): Likewise.
1328 (vect_build_loop_niters): Take an optional sequence to append stmts.
1329 (vect_generate_tmps_on_preheader): Likewise.
1330 (vect_do_peeling_for_loop_bound): Take extra guards for the
1331 pre-condition.
1332 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1333 the cost model check.
1334 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1335 guards if we are going to peel. Do not apply versioning in that case.
1336 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1337 (vect_do_peeling_for_loop_bound): Likewise.
1338 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1339 loop bound only record extra pre-conditions, do not apply loop
1340 versioning.
1342 2009-04-04 Richard Guenther <rguenther@suse.de>
1344 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1345 renaming code.
1347 2009-04-04 Jan Hubicka <jh@suse.cz>
1349 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1350 last_basic_block for size of bb->index indexed array.
1351 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1352 compute_out, link_btr_uses, build_btr_def_use_webs,
1353 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1355 2009-04-04 Jan Hubicka <jh@suse.cz>
1357 * except.c (remove_eh_handler_and_replace): Break out from ...
1358 (remove_eh_handler): ... here.
1359 (bring_to_root): New function.
1360 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1361 handled ones, bring others to root of tree.
1363 2009-04-04 Jan Hubicka <jh@suse.cz>
1365 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1366 (all_phis_safe_to_merge): New function.
1367 (update_info): New structure.
1368 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1369 (cleanup_empty_eh): Update SSA if possible.
1371 2009-04-04 Richard Guenther <rguenther@suse.de>
1373 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1374 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1375 (append_vuse): Likewise.
1377 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1379 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1380 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1381 instead of REG_UNSAVED for DW_CFA_undefined.
1382 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1383 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1384 outermost frame.
1386 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1388 PR target/39501
1389 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1390 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1391 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1393 2009-04-04 Richard Guenther <rguenther@suse.de>
1395 PR tree-optimization/8781
1396 PR tree-optimization/37892
1397 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1398 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1399 (valueize_refs): Call it for *& valueizations.
1400 (shared_reference_ops_from_ref): Rename to ...
1401 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1402 (shared_reference_ops_from_call): Rename to ...
1403 (valueize_shared_reference_ops_from_call): ... this and valueize.
1404 (vn_reference_lookup): Update.
1405 (visit_reference_op_call): Likewise.
1406 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1407 (eliminate): Value-replace the call address in call statements.
1409 2009-04-04 Richard Guenther <rguenther@suse.de>
1411 PR tree-optimization/39636
1412 * tree-ssa-forwprop.c
1413 (forward_propagate_addr_into_variable_array_index): Check for
1414 GIMPLE_ASSIGN before accessing the rhs code.
1416 2009-04-03 Jason Merrill <jason@redhat.com>
1418 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1420 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1422 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1423 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1424 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1425 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1426 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1427 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1428 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1429 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1430 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1431 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1432 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1433 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1434 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1435 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1436 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1437 Use fr_reg_or_fp01_operand instead of fr_register_operand
1439 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1440 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1441 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1443 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1445 PR rtl-optimization/39607
1446 PR rtl-optimization/39631
1448 Revert:
1450 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1451 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1452 instead of DF_LR_OUT.
1453 * ira-lives.c (process_bb_node_lives): Ditto.
1454 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1455 instead of DF_LR_{OUT,IN}.
1456 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1457 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1459 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1461 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1462 (execute_lower_omp): Always run but take the short way out if -fopenmp
1463 is not given.
1464 (gate_lower_omp): Remove, forcing the pass manager to always run the
1465 pass and always set PROP_gimple_lomp.
1466 (pass_lower_omp): Remove gate function.
1467 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1468 PROP_trees. Instead, require it.
1469 * ipa-cp.c (pass_ipa_cp): Likewise.
1470 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1471 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1472 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1473 and PROP_gimple_leh.
1475 2009-04-03 Richard Guenther <rguenther@suse.de>
1477 PR middle-end/13146
1478 PR tree-optimization/23940
1479 PR tree-optimization/33237
1480 PR middle-end/33974
1481 PR middle-end/34093
1482 PR tree-optimization/36201
1483 PR tree-optimization/36230
1484 PR tree-optimization/38049
1485 PR tree-optimization/38207
1486 PR tree-optimization/38230
1487 PR tree-optimization/38301
1488 PR tree-optimization/38585
1489 PR middle-end/38895
1490 PR tree-optimization/38985
1491 PR tree-optimization/39299
1492 * tree-ssa-structalias.h: Remove.
1493 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1494 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1495 (struct vuse_element_d): Remove.
1496 (struct vuse_vec_d): Likewise.
1497 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1498 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1499 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1500 VUSE_ELEMENT_VAR): Likewise.
1501 (struct voptype_d): Likewise.
1502 (NUM_VOP_FREE_BUCKETS): Likewise.
1503 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1504 (struct stmt_operands_d): Remove.
1505 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1506 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1507 VDEF_NUM, VDEF_VECT): Likewise.
1508 (copy_virtual_operands): Remove.
1509 (operand_build_cmp): Likewise.
1510 (create_ssa_artificial_load_stmt): Likewise.
1511 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1512 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1513 vuse_index and mayuse_index members. Pack and move done and iter_type
1514 members to the front.
1515 (SSA_OP_VMAYUSE): Remove.
1516 (SSA_OP_VIRTUAL_USES): Adjust.
1517 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1518 (unlink_stmt_vdef): Declare.
1519 (add_to_addressable_set): Remove.
1520 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1521 (vrp_visit_stmt): Likewise.
1522 * doc/tree-ssa.texi (Alias analysis): Update.
1523 * doc/invoke.texi (max-aliased-vops): Remove docs.
1524 (avg-aliased-vops): Likewise.
1525 * tree-into-ssa.c (syms_to_rename): Remove.
1526 (need_to_update_vops_p): Likewise.
1527 (need_to_initialize_update_ssa_p): Rename to ...
1528 (update_ssa_initialized_fn): ... this. Track function we are
1529 initialized for.
1530 (symbol_marked_for_renaming): Simplify.
1531 (add_new_name_mapping): Do not set need_to_update_vops_p.
1532 (dump_currdefs): Use SYMS_TO_RENAME.
1533 (rewrite_update_stmt): Always walk all uses/defs.
1534 (dump_update_ssa): Adjust.
1535 (init_update_ssa): Take function argument. Track what we are
1536 initialized for.
1537 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1538 (create_new_def_for): Initialize for cfun, assert we are initialized
1539 for cfun.
1540 (mark_sym_for_renaming): Simplify.
1541 (mark_set_for_renaming): Do not initialize update-ssa.
1542 (need_ssa_update_p): Simplify. Take function argument.
1543 (name_mappings_registered_p): Assert we ask for the correct function.
1544 (name_registered_for_update_p): Likewise.
1545 (ssa_names_to_replace): Likewise.
1546 (release_ssa_name_after_update_ssa): Likewise.
1547 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1548 (dump_decl_set): Do not print a newline.
1549 (debug_decl_set): Do it here.
1550 (dump_update_ssa): And here.
1551 * tree-ssa-loop-im.c (move_computations): Adjust.
1552 (movement_possibility): Likewise.
1553 (determine_max_movement): Likewise.
1554 (gather_mem_refs_stmt): Likewise.
1555 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1556 or NAME_MEMORY_TAG.
1557 * tree-complex.c (update_all_vops): Remove.
1558 (expand_complex_move): Adjust.
1559 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1560 Simplify test for memory referencing statement. Exclude
1561 non-invariant ADDR_EXPRs.
1562 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1563 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1564 (rdg_flag_uses): Likewise.
1565 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1566 related code.
1567 (tree_optimize_tail_calls_1): Also split the
1568 edge from the entry block if we have degenerate PHI nodes in
1569 the first basic block.
1570 * tree.c (init_ttree): Remove memory-tag related code.
1571 (tree_code_size): Likewise.
1572 (tree_node_structure): Likewise.
1573 (build7_stat): Re-write to be build6_stat.
1574 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1575 (SSA_VAR_P): Adjust.
1576 (struct tree_memory_tag): Remove.
1577 (struct tree_memory_partition_tag): Likewise.
1578 (union tree_node): Adjust.
1579 (build7): Re-write to be build6.
1580 * tree-pass.h (pass_reset_cc_flags): Remove.
1581 (TODO_update_address_taken): New flag.
1582 (pass_simple_dse): Remove.
1583 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1584 * params.h (MAX_ALIASED_VOPS): Remove.
1585 (AVG_ALIASED_VOPS): Likewise.
1586 * omp-low.c (expand_omp_taskreg): Update SSA form.
1587 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1588 aliases the lhs in a copy stmt.
1589 * tree-ssa-dse.c (struct address_walk_data): Remove.
1590 (memory_ssa_name_same): Likewise.
1591 (memory_address_same): Likewise.
1592 (get_kill_of_stmt_lhs): Likewise.
1593 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1594 unused stores. Look through PHI nodes into post-dominated regions.
1595 (dse_optimize_stmt): Simplify. Properly remove stores.
1596 (tree_ssa_dse): Compute dominators.
1597 (execute_simple_dse): Remove.
1598 (pass_simple_dse): Likewise.
1599 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1600 gimple_loaded_syms and gimple_stored_syms computation.
1601 * toplev.c (dump_memory_report): Dump alias and pta stats.
1602 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1603 (vn_reference_eq): Likewise.
1604 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1605 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1606 valueize_vuses): Remove.
1607 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1608 (get_def_ref_stmt_vuse): ... this.
1609 (vn_reference_lookup_2): New function.
1610 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1611 walking equivalent vuses. Simplify.
1612 (vn_reference_lookup): Likewise.
1613 (vn_reference_insert): Likewise.
1614 (vn_reference_insert_pieces): Likewise.
1615 (visit_reference_op_call): Simplify.
1616 (visit_reference_op_load): Likewise.
1617 (visit_reference_op_store): Likewise.
1618 (init_scc_vn): Remove shared_lookup_vuses initialization.
1619 (free_scc_vn): Remove shared_lookup_vuses freeing.
1620 (sort_vuses, sort_vuses_heap): Remove.
1621 (get_ref_from_reference_ops): Export.
1622 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1623 vector with single vuse pointer.
1624 (vn_reference_lookup_pieces, vn_reference_lookup,
1625 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1626 (shared_vuses_from_stmt): Remove.
1627 (get_ref_from_reference_ops): Declare.
1628 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1629 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1630 memory-tag related code.
1631 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1632 (likely_value): Add comment, skip static-chain of call statements.
1633 (surely_varying_stmt_p): Adjust.
1634 (gimplify_and_update_call_from_tree): Likewise.
1635 (execute_fold_all_builtins): Do not rebuild alias info.
1636 (gimplify_and_update_call_from_tree): Properly update VOPs.
1637 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1638 (copy_ref_info): Remove memory-tag related code.
1639 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1640 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1641 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1642 computation.
1643 * tree-ssa-dom.c (gimple_p): Remove typedef.
1644 (eliminate_redundant_computations): Adjust.
1645 (record_equivalences_from_stmt): Likewise.
1646 (avail_expr_hash): Likewise.
1647 (avail_expr_eq): Likewise.
1648 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1649 (stmt_makes_single_load): Likewise.
1650 (stmt_makes_single_store): Likewise.
1651 * tree-ssa-alias.c: Rewrite completely.
1652 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1653 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1654 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1655 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1656 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1657 Remove public functions.
1658 (pass_reset_cc_flags): Remove.
1659 (pass_build_alias): Move ...
1660 * tree-ssa-structalias.c (pass_build_alias): ... here.
1661 * tree-ssa-alias.c (may_be_aliased): Move ...
1662 * tree-flow-inline.h (may_be_aliased): ... here.
1663 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1664 count_uses_and_derefs): Move ...
1665 * gimple.c: ... here.
1666 * gimple.h (count_uses_and_derefs): Declare.
1667 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1668 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1669 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1670 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1671 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1672 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1673 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1674 New functions.
1675 * tree-dfa.c (refs_may_alias_p): Move ...
1676 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1677 * tree-ssa-alias.h: New file.
1678 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1679 (statement_sink_location): Likewise.
1680 * opts.c (decode_options): Do not adjust max-aliased-vops or
1681 avg-aliased-vops values.
1682 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1683 (TV_CALL_CLOBBER): Likewise.
1684 (TV_FLOW_SENSITIVE): Likewise.
1685 (TV_FLOW_INSENSITIVE): Likewise.
1686 (TV_MEMORY_PARTITIONING): Likewise.
1687 (TV_ALIAS_STMT_WALK): New timevar.
1688 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1689 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1690 (get_address_description): Remove memory-tag related code.
1691 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1692 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1693 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1694 and immediate uses in statements. Document.
1695 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1696 (dump_symbols): Remove.
1697 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1698 * alias.c (get_deref_alias_set): New function split out from ...
1699 (get_alias_set): ... here.
1700 * alias.h (get_deref_alias_set): Declare.
1701 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1702 type parameter. Remove restrict pointer handling. Create a
1703 ref-all pointer in case type-based alias sets do not conflict.
1704 (vect_analyze_data_refs): Remove SMT related code.
1705 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1706 (vectorizable_load): Likewise.
1707 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1708 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1709 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1710 Ignore vops and SMTs.
1711 (dr_analyze_alias): Likewise..
1712 (free_data_ref): Likewise.
1713 (create_data_ref): Likewise.
1714 (analyze_all_data_dependences): Likewise.
1715 (get_references_in_stmt): Adjust.
1716 * tree-flow-inline.h (gimple_aliases_computed_p,
1717 gimple_addressable_vars, gimple_call_clobbered_vars,
1718 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1719 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1720 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1721 gimple_mem_ref_stats): Remove.
1722 (gimple_vop): New function.
1723 (op_iter_next_use): Remove vuses and mayuses cases.
1724 (op_iter_next_def): Remove vdefs case.
1725 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1726 (clear_and_done_ssa_iter): Do not set removed fields.
1727 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1728 Assert we are not iterating over vuses or vdefs if not also
1729 iterating over uses or defs.
1730 (op_iter_init_use): Likewise.
1731 (op_iter_init_def): Likewise.
1732 (op_iter_next_vdef): Remove.
1733 (op_iter_next_mustdef): Likewise.
1734 (op_iter_init_vdef): Likewise.
1735 (compare_ssa_operands_equal): Likewise.
1736 (link_use_stmts_after): Handle vuse operand.
1737 (is_call_used): Use is_call_clobbered.
1738 (is_call_clobbered): Global variables are always call clobbered,
1739 query the call-clobbers bitmap.
1740 (mark_call_clobbered): Ignore global variables.
1741 (clear_call_clobbered): Likewise.
1742 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1743 virtual operands sanity check.
1744 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1745 Remove.
1746 (TARGET_MEM_REF): Remove TMR_TAG operand.
1747 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1748 Remove call-clobber related code.
1749 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1750 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1751 partitions or escape reason.
1752 (get_single_def_stmt, get_single_def_stmt_from_phi,
1753 get_single_def_stmt_with_phi): Remove.
1754 (dump_referenced_vars): Tidy.
1755 (get_ref_base_and_extent): Allow bare decls.
1756 (collect_dfa_stats): Adjust.
1757 * graphite.c (rename_variables_in_stmt): Adjust.
1758 (graphite_copy_stmts_from_block): Likewise.
1759 (translate_clast): Likewise.
1760 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1761 (EXPR_DIES): New.
1762 (translate_vuse_through_block): Use the oracle.
1763 (phi_translate_1): Adjust.
1764 (value_dies_in_block_x): Use the oracle. Cache the outcome
1765 in EXPR_DIES.
1766 (valid_in_sets): Check if the VUSE for
1767 a REFERENCE is available.
1768 (eliminate): Do not remove stmts during elimination,
1769 instead queue and remove them afterwards.
1770 (do_pre): Do not rebuild alias info.
1771 (pass_pre): Run TODO_rebuild_alias before PRE.
1772 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1773 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1774 (mark_all_v_defs_stmt): Remove.
1775 (mark_all_v_defs_seq): Adjust.
1776 (sra_replace): Likewise.
1777 (scalarize_use): Likewise.
1778 (scalarize_copy): Likewise.
1779 (scalarize_init): Likewise.
1780 (scalarize_ldst): Likewise.
1781 (todoflags): Remove.
1782 (tree_sra): Do not rebuild alias info.
1783 (tree_sra_early): Adjust.
1784 (pass_sra): Run TODO_update_address_taken before SRA.
1785 * tree-predcom.c (set_alias_info): Remove.
1786 (prepare_initializers_chain): Do not call it.
1787 (mark_virtual_ops_for_renaming): Adjust.
1788 (mark_virtual_ops_for_renaming_list): Remove.
1789 (initialize_root_vars): Adjust.
1790 (initialize_root_vars_lm): Likewise.
1791 (prepare_initializers_chain): Likewise.
1792 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1793 (may_propagate_copy_into_stmt): Likewise.
1794 (merge_alias_info): Do nothing for now.
1795 (propagate_tree_value_into_stmt): Adjust.
1796 (stmt_may_generate_copy): Likewise.
1797 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1798 not mark symbols for renaming.
1799 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1800 with the same statement, make sure to update the new pointed-to one.
1801 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1802 call statements, do not mark symbols for renaming.
1803 (mark_operand_necessary): Dump something.
1804 (ref_may_be_aliased): New function.
1805 (mark_aliased_reaching_defs_necessary_1): New helper function.
1806 (mark_aliased_reaching_defs_necessary): Likewise.
1807 (mark_all_reaching_defs_necessary_1): Likewise.
1808 (mark_all_reaching_defs_necessary): Likewise.
1809 (propagate_necessity): Do not process virtual PHIs. For
1810 non-aliased loads mark all reaching definitions as necessary.
1811 For aliased loads and stores mark the immediate dominating
1812 aliased clobbers as necessary.
1813 (visited): New global static.
1814 (perform_tree_ssa_dce): Free visited bitmap after propagating
1815 necessity.
1816 (remove_dead_phis): Perform simple dead virtual PHI removal.
1817 (remove_dead_stmt): Properly unlink virtual operands when
1818 removing stores.
1819 (eliminate_unnecessary_stmts): Schedule PHI removal after
1820 stmt removal.
1821 * tree-ssa-ter.c (is_replaceable_p): Adjust.
1822 (process_replaceable): Likewise.
1823 (find_replaceable_in_bb): Likewise.
1824 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1825 based on the single gimple vop.
1826 (verify_flow_insensitive_alias_info): Remove.
1827 (verify_flow_sensitive_alias_info): Likewise.
1828 (verify_call_clobbering): Likewise.
1829 (verify_memory_partitions): Likewise.
1830 (verify_alias_info): Likewise.
1831 (verify_ssa): Adjust..
1832 (execute_update_addresses_taken): Export. Update SSA
1833 manually. Optimize only when optimizing. Use a local bitmap.
1834 (pass_update_address_taken): Remove TODO_update_ssa, add
1835 TODO_dump_func.
1836 (pass_update_address_taken): Just use TODO_update_address_taken.
1837 (init_tree_ssa): Do not initialize addressable_vars.
1838 (verify_ssa): Verify new VUSE / VDEF properties.
1839 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1840 Do not call verify_alias_info.
1841 (delete_tree_ssa): Clear the VUSE, VDEF operands.
1842 Do not free the loaded and stored syms bitmaps. Reset the escaped
1843 and callused solutions. Do not free addressable_vars.
1844 Remove memory-tag related code.
1845 (warn_uninitialized_var): Aliases are always available.
1846 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1847 * lambda-code.c (can_put_in_inner_loop): Adjust.
1848 (can_put_after_inner_loop): Likewise.
1849 (perfect_nestify): Likewise.
1850 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1851 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1852 (vectorizable_conversion): Do not mark symbols for renaming.
1853 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1854 (expand_call_inline): Unlink the calls virtual operands before
1855 replacing it.
1856 (tree_function_versioning): Do not call update_ssa if we are not
1857 updating clones. Simplify.
1858 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1859 (propagate_with_phi): Likewise..
1860 * tree-outof-ssa.c (create_temp): Remove memory tag and call
1861 clobber code. Assert we are not aliased or global.
1862 * tree-flow.h: Include tree-ssa-alias.h
1863 (enum escape_type): Remove.
1864 (struct mem_sym_stats_d): Likewise.
1865 (struct mem_ref_stats_d): Likewise.
1866 (struct gimple_df): Add vop member. Remove global_var,
1867 call_clobbered_vars, call_used_vars, addressable_vars,
1868 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
1869 escaped and callused members.
1870 (struct ptr_info_def): Remove all members, add points-to solution
1871 member pt.
1872 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1873 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1874 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1875 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1876 (tree-ssa-alias.o): Likewise.
1877 (toplev.o): Add tree-ssa-alias.h
1878 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1879 * gimple.c (gimple_set_bb): Fix off-by-one error.
1880 (is_gimple_reg): Do not handle memory tags.
1881 (gimple_copy): Also copy virtual operands.
1882 Delay updating the statement. Do not reset loaded and stored syms.
1883 (gimple_set_stored_syms): Remove.
1884 (gimple_set_loaded_syms): Likewise.
1885 (gimple_call_copy_skip_args): Copy the virtual operands
1886 and mark the new statement modified.
1887 * tree-ssa-structalias.c (may_alias_p): Remove.
1888 (set_uids_in_ptset): Take the alias set to prune with as
1889 parameter. Fold in the alias test of may_alias_p.
1890 (compute_points_to_sets): Compute whether a ptr is dereferenced
1891 in a local sbitmap.
1892 (process_constraint): Deal with &ANYTHING on the lhs, reject all
1893 other ADDRESSOF constraints on the lhs.
1894 (get_constraint_for_component_ref): Assert that we don't get
1895 ADDRESSOF constraints from the base of the reference.
1896 Properly generate UNKNOWN_OFFSET for DEREF if needed.
1897 (struct variable_info): Remove collapsed_to member.
1898 (get_varinfo_fc): Remove.
1899 (new_var_info): Do not set collapsed_to.
1900 (dump_constraint): Do not follow cycles.
1901 (dump_constraint_graph): Likewise.
1902 (build_pred_graph): Likewise.
1903 (build_succ_graph): Likewise.
1904 (rewrite_constraints): Likewise.
1905 (do_simple_structure_copy): Remove.
1906 (do_rhs_deref_structure_copy): Remove.
1907 (do_lhs_deref_structure_copy): Remove.
1908 (collapse_rest_of_var): Remove.
1909 (do_structure_copy): Re-implement.
1910 (pta_stats): New global variable.
1911 (dump_pta_stats): New function.
1912 (struct constraint_expr): Make offset signed.
1913 (UNKNOWN_OFFSET): Define special value.
1914 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1915 (solution_set_expand): New helper function split out from ...
1916 (do_sd_constraint): ... here.
1917 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
1918 (do_ds_constraint): Likewise.
1919 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
1920 and CALLUSED = *CALLUSED.
1921 (set_union_with_increment): Make inc argument signed.
1922 (type_safe): Remove.
1923 (get_constraint_for_ptr_offset): Handle unknown and negative
1924 constant offsets.
1925 (first_vi_for_offset): Handle offsets before start. Bail
1926 out early for offsets beyond the variable extent.
1927 (first_or_preceding_vi_for_offset): New function.
1928 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1929 Together with ESCAPED = *ESCAPED this properly computes reachability.
1930 (find_what_var_points_to): New function.
1931 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1932 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1933 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1934 pt_solutions_intersect): New functions.
1935 (compute_call_used_vars): Remove.
1936 (compute_may_aliases): New main entry into PTA computation.
1937 * gimple.h (gimple_p): New typedef.
1938 (struct gimple_statement_base): Remove references_memory_p.
1939 (struct gimple_statement_with_memory_ops_base): Remove
1940 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
1941 members.
1942 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1943 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1944 gimple_set_references_memory): Remove.
1945 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1946 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1947 New functions.
1948 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1949 (verify_expr): Allow RESULT_DECL.
1950 (gimple_duplicate_bb): Do not copy virtual operands.
1951 (gimple_duplicate_sese_region): Adjust.
1952 (gimple_duplicate_sese_tail): Likewise.
1953 (mark_virtual_ops_in_region): Remove.
1954 (move_sese_region_to_fn): Do not call it.
1955 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1956 and pass_simple_dse.
1957 (execute_function_todo): Handle TODO_update_address_taken,
1958 call execute_update_addresses_taken for TODO_rebuild_alias.
1959 (execute_todo): Adjust.
1960 (execute_one_pass): Init dump files early.
1961 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1962 call-clobbered.
1963 (create_general_new_stmt): Clear vops.
1964 * tree-ssa-reassoc.c (get_rank): Adjust.
1965 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1966 symbols for renaming.
1967 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1968 (PARAM_AVG_ALIASED_VOPS): Likewise.
1969 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1970 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1971 * tree-ssa-operands.c: Simplify for new virtual operand representation.
1972 (operand_build_cmp, copy_virtual_operands,
1973 create_ssa_artificial_load_stmt, add_to_addressable_set,
1974 gimple_add_to_addresses_taken): Remove public functions.
1975 (unlink_stmt_vdef): New function.
1977 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1979 * config.gcc (powerpc-*-linux*): Merge variants.
1981 2009-04-02 Chao-ying Fu <fu@mips.com>
1982 James Grosbach <james.grosbach@microchip.com>
1984 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1985 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1986 cop0_sp_offset.
1987 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1988 keep_interrupts_masked_p, use_debug_exception_return_p.
1989 (mips_attribute_table): Add interrupt, use_shadow_register_set,
1990 keep_interrupts_masked, use_debug_exception_return.
1991 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1992 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1993 New functions.
1994 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1995 (mips_print_operand): Process COP0 registers to print $0 .. $31
1996 correctly for GAS to process.
1997 (mips_interrupt_extra_call_saved_reg_p): New function.
1998 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1999 extra registers.
2000 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2001 (mips_compute_frame_info): Add supports for interrupt context that
2002 includes doubleword accumulators and COP0 registers.
2003 (mips_for_each_saved_acc): New function.
2004 (mips_for_each_saved_gpr_and_fpr): Change the function name from
2005 mips_for_each_saved_reg.
2006 (mips_save_reg): Save accumulators.
2007 (mips_kernel_reg_p): A new for_each_rtx callback.
2008 (mips_expand_prologue): Support interrupt handlers.
2009 (mips_restore_reg): Restore accumulators.
2010 (mips_expand_epilogue): Support interrupt handlers.
2011 (mips_can_use_return_insn): Return false for interrupt handlers.
2012 (mips_epilogue_uses): New function.
2013 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2014 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2015 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2016 cop0_move): New instructions.
2017 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2018 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2019 defines.
2020 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2021 New defines.
2022 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2023 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2024 interrupt handlers, we use K0 as the temporary register.
2025 (EPILOGUE_USES): Change to a function call.
2026 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2027 handlers, we use K0 as the temporary register.
2029 * doc/extend.texi (Function Attributes): Document interrupt,
2030 use_shadow_register_set, keep_interrupts_masked,
2031 use_debug_exception_return for MIPS attributes.
2033 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2035 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2036 Remove a number of t-files from tmake_file.
2037 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2038 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2039 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2040 target_prototype, not TARGET_PROTOTYPE.
2041 (LINK_OS_GNU_SPEC): Define.
2042 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2043 and darwin-ldoubdle.c.
2045 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
2047 PR driver/39293
2048 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2049 (cpp_options): Ditto.
2050 (default_compilers): Ditto.
2051 (display_help): Ditto.
2052 (process_command): Ditto.
2053 (do_spec_1): Ditto.
2054 (set_input): Use lbasename instead of duplicate code.
2055 (save_temps_prefix): New static for -save-temps=obj.
2056 (save_temps_length): Ditto.
2058 * doc/invoke.texi (-save-temps=obj): Document new variant to
2059 -save-temps switch.
2061 2009-04-02 Jeff Law <law@redhat.com>
2063 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2064 variable.
2066 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2068 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2069 * configure: Regenerated.
2071 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2073 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2074 share the argument list.
2076 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2078 Merge
2080 2009-02-12 Diego Novillo <dnovillo@google.com>
2082 * varpool.c (debug_varpool): New.
2083 * cgraph.h (debug_varpool): Declare.
2085 2009-04-02 Jan Hubicka <jh@suse.cz>
2087 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2088 pass.
2090 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2092 * config/i386/i386.c (ix86_abi): Move initialization to ...
2093 (override_options): Here.
2095 2009-04-02 Christian Bruel <christian.bruel@st.com>
2097 * config/sh/sh.c (sh_dwarf_register_span): New function.
2098 (TARGET_DWARF_REGISTER_SPAN): Define.
2099 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2101 2009-04-02 Ira Rosen <irar@il.ibm.com>
2103 PR tree-optimization/39595
2104 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
2105 interleaved loads group is not greater than the SLP group size.
2107 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2109 * builtins.c (is_builtin_name): New.
2110 (called_as_built_in): Use is_builtin_name.
2111 * tree.h (is_builtin_name): New.
2112 * varasm.c (incorporeal_function_p): Use is_builtin_name
2114 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
2116 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2118 2009-04-02 Dodji Seketeli <dodji@redhat.com>
2120 PR c++/26693
2121 * c-decl.c: (clone_underlying_type): Move this ...
2122 * c-common.c (set_underlying_type): ... here.
2123 Also, make sure the function properly sets TYPE_STUB_DECL() on
2124 the newly created typedef variant type.
2125 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2126 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2127 points.
2129 2009-04-02 Richard Guenther <rguenther@suse.de>
2131 PR tree-optimization/37221
2132 * tree-flow.h (degenerate_phi_result): Declare.
2133 * tree-ssa-dom.c (degenerate_phi_result): Export.
2134 * tree-scalar-evolution.c (analyze_initial_condition): If
2135 the initial condition is defined by a degenerate PHI node
2136 use the degenerate value.
2138 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
2140 PR rtl-optimization/39588
2141 * combine.c (merge_outer_ops): Do not set the constant when this
2142 is not necessary.
2143 (simplify_shift_const_1): Do not modify it either in this case.
2145 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
2147 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2148 tuning is deprecated if -mtune value is set to an Itanium1 variant.
2150 2009-04-01 Janis Johnson <janis187@us.ibm.com>
2152 PR c/29027
2153 * c-lex.c (interpret_float): Default (no suffix) is double.
2155 2009-04-1 Xinliang David Li <davidxl@google.com>
2157 * config/i386/i386.c (legitimate_constant_p): Recognize
2158 all one vector constant.
2160 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2162 * gcc/config/vax/vax.c: Add #includes to silence warnings.
2163 Change #include order to silence two warnings.
2165 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2167 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2168 (ASM_SPEC): Pass -k to the assembler for PIC code.
2170 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2172 * gcc/config.gcc: Add vax-*-linux* to the switch.
2173 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2174 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2176 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2178 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2179 Use predicate macros instead of GET_CODE() == foo.
2180 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2181 ashlsi3, rotrsi3, <unnamed>): Likewise.
2183 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2185 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2186 jbbccihi, jbbccisi): Remova trailing whitespace.
2187 * gcc/config/vax/constraints.md: Likewise.
2188 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2189 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2190 * gcc/config/vax/predicates.md: Likewise.
2191 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2192 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2193 * gcc/config/vax/vax.h: Likewise.
2194 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2196 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2198 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2199 (indirectable_address_p, adjacent_operands_p): Add spaces around
2200 braces.
2201 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2203 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2205 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2206 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2207 index_term_p, reg_plus_index_p, legitimate_address_p,
2208 vax_mode_dependent_address_p): Update comments to match functions
2209 modified by the recent int->bool conversion.
2211 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2213 * gcc/config/vax/builtins.md: Update copyright message.
2214 * gcc/config/vax/constraints.md: Likewise.
2215 * gcc/config/vax/netbsd-elf.h: Likewise.
2216 * gcc/config/vax/predicates.md: Likewise.
2217 * gcc/config/vax/vax-protos.h: Likewise.
2218 * gcc/config/vax/vax.c: Likewise.
2219 * gcc/config/vax/vax.h: Likewise.
2220 * gcc/config/vax/vax.md: Likewise.
2221 * gcc/config/vax/vax.opt: Likewise.
2223 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2225 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2226 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2227 * gcc/config/vax/constraints.md (B, R): Likewise.
2228 * gcc/config/vax/predicates.md (external_memory_operand,
2229 nonimmediate_addsub_di_operand): Likewise.
2230 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2231 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2232 untyped_call): Likewise.
2234 2009-04-01 Matt Thomas <matt@3am-software.com>
2236 * config/vax/predicates.md: New file.
2237 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2238 external_const_operand, nonsymbolic_operand, external_memory_operand,
2239 indirect_memory_operand, indexed_memory_operand,
2240 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2241 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2242 predicate.
2243 * config/vax/constraints.md: New file.
2244 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2245 New constraint.
2246 * config/vax/builtins.md: New file.
2247 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2248 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2249 jbbccisi): Define.
2250 * config/vax/vax.opt (mqmath): Add option.
2251 * config/vax/vax.md (isfx): Extend with DI.
2252 (VAXintQH, VAXintQHSD): Define.
2253 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2254 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2255 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2256 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2257 (movdi): Update constraints and use vax_output_int_move().
2258 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2259 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2260 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2261 nonlocal_goto): New.
2262 (mov<mode>): Extend accepted operand types.
2263 (subdi3_old): Rename from subdi3, change update constraints and use
2264 a new implementation.
2265 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2266 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2267 MOVE_RATIO, CLEAR_RATIO): Define.
2268 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2269 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2270 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2271 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2272 (split_quadword_operands): Make static and really allow variable
2273 splitting.
2274 (print_operand_address): Update for PIC generation.
2275 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2276 indexable_address_p, fixup_mathdi_operand,
2277 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2278 (vax_float_literal, legitimate_constant_p,
2279 indirectable_constant_address_p, index_term_p,
2280 reg_plus_index_p): Return bool instead of int.
2281 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2282 where needed.
2283 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2284 generation.
2285 (vax_output_conditional_branch): Indent.
2286 (legitimate_constant_address_p, indirectable_constant_address_p,
2287 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2288 vax_mode_dependent_address_p): Return bool instead of int, update for
2289 PIC generation.
2290 * config/vax/vax-protos.h (legitimate_constant_address_p,
2291 legitimate_constant_p, legitimate_address_p,
2292 vax_mode_dependent_address_p): Change declaration to bool.
2293 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2294 vax_expand_addsub_di_operands, vax_output_int_subtract,
2295 vax_output_movmemsi): Declare.
2296 (split_quadword_operands, vax_float_literal): Delete declaration.
2297 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2298 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2299 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2300 ASM_OUTPUT_DWARF_PCREL): Define.
2301 (ASM_SPEC): Change definition to allow PIC generation.
2303 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2305 * doc/sourcebuild.texi: Update front-end requirements.
2307 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2309 PR target/39226
2310 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2311 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2312 (booldi3_internal3): Use boolean_or_operator instead of
2313 boolean_operator.
2315 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2317 PR c/39605
2318 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2319 declarator whose size is not an integer constant expression but
2320 folds to an integer constant, then treat it as a constant
2321 subsequently.
2323 2009-04-01 Richard Guenther <rguenther@suse.de>
2325 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2326 i * 4 + 2 to (i * 2 + 1) * 2.
2328 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2330 PR c/37772
2331 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2332 return if c_parser_asm_string_literal returned NULL.
2334 2009-04-01 Nick Clifton <nickc@redhat.com>
2336 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2337 already defined.
2338 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2339 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2340 other typedefs to avoid conflicts with libgcc2.c. Define labels
2341 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2342 include it.
2343 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2344 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2345 then include it.
2347 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2349 * varasm.c (default_function_rodata_section): Declare DOT as
2350 const char*.
2352 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2353 Andrey Galkin <agalkin@hypercom.com>
2355 PR/39492
2356 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2357 Make object_name unique for each process.
2359 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2361 PR other/39591
2362 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2363 addressable variables in the parallel that could go out of scope while
2364 running queued tasks.
2366 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2368 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2369 (CASE_VALUES_THRESHOLD): Redefine.
2370 * config/avr/avr.c (avr_override_options): Remove initialization of
2371 avr_case_values_threshold variable.
2372 (avr_case_values_threshold): Remove variable. Add new function.
2373 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2374 * config/avr/avr.opt (mno-tablejump): Remove option.
2375 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2377 2009-04-01 DJ Delorie <dj@redhat.com>
2379 * varasm.c (default_function_rodata_section): Don't assume
2380 anything about where the first '.' in the section name is.
2382 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2384 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2385 rs6000_emit_stack_tie.
2387 2009-03-31 Ian Lance Taylor <iant@google.com>
2389 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2390 gimple_code with GIMPLE_RESX, not RESX.
2392 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2394 * c-common.c (c_get_ident): New.
2395 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2397 2009-04-01 Ben Elliston <bje@au.ibm.com>
2399 * config/rs6000/sysv4.opt (msdata): Improve option description.
2401 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2403 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2404 (divdf3_internal_lat): Remove.
2405 (divxf3_internal_lat): Remove.
2406 (divxf3_internal_thr): Remove.
2407 (divxf): Use divxf3_internal.
2408 * config/ia64/div.md (divsf3_internal_lat): New.
2409 (divdf3_internal_lat): New.
2410 (divxf3_internal): New.
2412 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2414 PR c/448
2415 * Makefile.in (USE_GCC_STDINT): Define.
2416 (stmp-int-hdrs): Install stdint.h if applicable.
2417 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2418 if known.
2419 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2420 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2421 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2422 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2423 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2424 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2425 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2426 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2427 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2428 (c_common_nodes_and_builtins): Initialize
2429 underlying_wchar_type_node. Do not initialize
2430 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2431 nodes for new types.
2432 (c_stddef_cpp_builtins): Define macros for new types.
2433 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2434 Remove.
2435 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2436 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2437 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2438 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2439 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2440 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2441 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2442 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2443 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2444 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2445 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2446 int16_type_node, int32_type_node, int64_type_node,
2447 uint8_type_node, uint16_type_node, c_uint32_type_node,
2448 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2449 int_least32_type_node, int_least64_type_node,
2450 uint_least8_type_node, uint_least16_type_node,
2451 uint_least32_type_node, uint_least64_type_node,
2452 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2453 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2454 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2455 uintptr_type_node): Define.
2456 * c-cppbuiltin.c (builtin_define_constants,
2457 builtin_define_type_minmax): New.
2458 (builtin_define_stdint_macros): Define more macros.
2459 (c_cpp_builtins): Define more limit macros.
2460 (type_suffix): New.
2461 (builtin_define_type_max): Define in terms of
2462 builtin_define_type_minmax. Remove is_long parameter. All
2463 callers changed.
2464 * config.gcc (use_gcc_stdint): Define.
2465 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2466 Add newlib-stdint.h for generic targets.
2467 * config/glibc-stdint.h, config/newlib-stdint.h,
2468 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2469 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2470 * config/score/score.h (UINTPTR_TYPE): Define.
2471 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2472 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2473 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2474 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2475 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2476 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2477 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2478 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2479 * config/spu/spu.h (STDINT_LONG32): Define.
2480 * configure.ac (use_gcc_stdint): Substitute.
2481 * configure: Regenerate.
2482 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2483 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2484 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2485 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2486 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2487 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2488 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2489 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2490 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2491 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2492 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2493 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2494 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2495 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2496 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2497 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2498 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2499 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2500 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2501 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2502 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2503 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2504 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2505 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2506 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2507 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2508 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2509 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2510 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2512 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2514 * loop-iv.c (suitable_set_for_replacement): Renamed from
2515 simplify_using_assignment; changed to return bool and to accept new
2516 args DEST and SRC. Return true iff we find a source/destination pair
2517 that can be used to make a replacement, and fill SRC and DEST if so.
2518 Remove arg ALTERED. Don't deal with altered regs here. All callers
2519 changed.
2520 (simplify_using_initial_values): Deal with altered regs here and track
2521 more precisely the effect they have on the validity of our expression.
2523 * loop-iv.c (simplify_using_condition): A condition of the form
2524 (EQ REG CONST) can be used to simply make a substitution.
2525 (simplify_using_initial_values): Keep track of conditions we have seen
2526 and keep using them to simplify new expressions, while applying the
2527 same substitutions to them as to the expression.
2529 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2530 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2531 GEU/LTU reversed.
2533 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2534 changed. Use this when trying to improve the upper bound.
2535 Generate the comparison by using simplify_gen_relational.
2537 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2539 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2540 functions.
2541 (simplify_using_assignment, simplify_using_initial_values): Call
2542 replace_in_expr to make replacements. Call replace_single_def_regs
2543 once on the initial version of the expression.
2545 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2547 PR target/27237
2548 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2550 2009-03-31 Richard Guenther <rguenther@suse.de>
2552 PR middle-end/31029
2553 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2554 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2556 2009-03-31 Richard Guenther <rguenther@suse.de>
2558 * tree.h (div_if_zero_remainder): Declare.
2559 * fold-const.c (div_if_zero_remainder): Export.
2560 * tree-ssa-forwprop.c
2561 (forward_propagate_addr_into_variable_array_index): Handle
2562 constant array index addition outside of the variable index.
2564 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2566 PR target/39592
2567 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2568 define_splits, floatunssi<mode>2): Require x87 conversions from
2569 DImode to be permitted.
2571 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2573 PR preprocessor/15638
2574 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2576 2009-03-31 Richard Guenther <rguenther@suse.de>
2578 PR middle-end/23401
2579 PR middle-end/27810
2580 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2581 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2582 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2583 a separate statement.
2584 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2585 (lookup_tmp_var): Likewise.
2586 (is_gimple_formal_tmp_or_call_rhs): Remove.
2587 (is_gimple_reg_or_call_rhs): Rename to ...
2588 (is_gimple_reg_rhs_or_call): ... this.
2589 (is_gimple_mem_or_call_rhs): Rename to ...
2590 (is_gimple_mem_rhs_or_call): ... this.
2591 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2592 DECL_GIMPLE_REG_P only if is_formal is true.
2593 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2594 for non-proper post-modify expression gimplification.
2595 (gimplify_self_mod_expr): For post-modify expressions gimplify
2596 the lvalue to a minimal lvalue.
2597 (rhs_predicate_for): Remove formal temp case.
2598 (gimplify_modify_expr_rhs): Likewise.
2599 (gimplify_addr_expr): Use is_gimple_reg.
2600 (gimplify_expr): Remove formal temp cases.
2601 (gimple_regimplify_operands): Likewise.
2602 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2603 and FILTER_EXPR like constants.
2604 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2605 is_gimple_reg.
2606 (is_gimple_formal_tmp_rhs): Remove.
2607 (is_gimple_reg_rhs): Remove special casing.
2608 (is_gimple_mem_rhs): Fix.
2609 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2610 (is_gimple_formal_tmp_var): Remove.
2611 (is_gimple_formal_tmp_reg): Likewise.
2612 (is_gimple_min_lval): Allow invariant component ref parts.
2613 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2614 is_gimple_formal_tmp_reg): Remove declarations.
2615 * tree-cfg.c (verify_expr): Verify that variables with address
2616 taken do not have DECL_GIMPLE_REG_P set.
2617 * tree-mudflap.c (mf_build_check_statement_for): Use
2618 force_gimple_operand instead of gimplify_expr.
2620 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2622 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2623 schedulable rows to compute_split_row.
2625 2009-03-31 Ben Elliston <bje@au.ibm.com>
2627 PR target/31635
2628 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2629 OPT_mvrsave.
2631 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2633 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2634 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2635 * configure: Regenerate.
2636 * config.in: Regenerate.
2637 * config/rs6000/rs6000.opt (mtls-markers): Add.
2638 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2639 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2640 (tls_ld_aix, tls_ld_sysv): Likewise.
2641 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2642 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2644 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2646 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2648 2009-03-30 Jan Hubicka <jh@suse.cz>
2650 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2651 out of RESX.
2652 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2653 detection and label handling.
2655 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2657 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2658 left_conflicts_size.
2659 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2660 ALLOCNO_LEFT_CONFLICTS_SIZE.
2662 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2663 remove_allocno_from_bucket_and_push,
2664 allocno_spill_priority_compare, push_allocnos_to_stack,
2665 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2666 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2667 (setup_allocno_left_conflicts_num): Ditto. Rename to
2668 setup_allocno_left_conflicts_size.
2669 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2670 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2671 setup_allocno_left_conflicts_size instead of
2672 setup_allocno_left_conflicts_num.
2674 * ira-build.c (ira_create_allocno): Use
2675 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2676 ALLOCNO_LEFT_CONFLICTS_NUM.
2678 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2680 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2681 instead of DF_LR_OUT.
2683 * ira-lives.c (process_bb_node_lives): Ditto.
2685 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2686 instead of DF_LR_{OUT,IN}.
2688 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2690 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2692 2009-03-30 Jan Hubicka <jh@suse.cz>
2694 * except.c (label_to_region_map): Fix thinko.
2696 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2698 PR middle-end/38237
2699 * tree.h (tree_find_value): New declaration.
2700 * tree.c (tree_find_value): New function.
2701 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2703 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2705 PR debug/39563
2706 * c-decl.c (struct c_binding): Add locus field.
2707 (bind): Add locus argument, set locus field from it.
2708 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2709 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2710 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2711 implicitly_declare, undeclared_variable, lookup_label,
2712 declare_label, c_make_fname_decl, c_builtin_function,
2713 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2714 bind callers.
2716 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2718 PR target/38781
2719 * config/i386/i386.c (classify_argument): Check total size of
2720 structure.
2722 2009-03-30 Martin Jambor <mjambor@suse.cz>
2724 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2725 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2726 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2727 respectively.
2729 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2730 seen_variable_array_ref while also traversing a union.
2732 * tree-inline.c (optimize_inline_calls): Do not call
2733 cgraph_node_remove_callees.
2734 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2735 (pass_remove_cgraph_callee_edges): New variable.
2736 * passes.c (init_optimization_passes): Add
2737 pass_remove_cgraph_callee_edges after early inlining and before all
2738 late intraprocedural passes.
2740 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2742 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2744 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2745 Fix typos in names.
2747 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2749 * combine.c (simplify_comparison): Use have_insn_for.
2750 * dojump.c (do_jump): Likewise.
2752 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2754 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2755 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2756 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2757 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2758 instead of sparc_compare_emitted.
2759 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2760 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2761 instead of sparc_compare_emitted.
2763 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2765 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2766 enter/exit cfglayout mode.
2767 (pass_partition_block): Require it.
2768 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2769 (combine_instructions): Track basic blocks instead of labels.
2770 (update_cfg_for_uncondjump): New.
2771 (try_combine): Use it. Update jumps after rescanning.
2772 (pass_combine): Require PROP_cfglayout.
2773 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2775 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2777 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2778 Provide/destroy PROP_cfglayout respectively.
2779 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2780 * tree-pass.h (PROP_cfglayout): New.
2782 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2784 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2785 fold_convert_const_fixed_from_fixed,
2786 fold_convert_const_fixed_from_int,
2787 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2788 set TREE_CONSTANT_OVERFLOW.
2789 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2790 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2792 2009-03-30 Ira Rosen <irar@il.ibm.com>
2794 * tree-vect-loop-manip.c: New file.
2795 * tree-vectorizer.c: Update documentation and included files.
2796 (vect_loop_location): Make extern.
2797 (rename_use_op): Move to tree-vect-loop-manip.c
2798 (rename_variables_in_bb, rename_variables_in_loop,
2799 slpeel_update_phis_for_duplicate_loop,
2800 slpeel_update_phi_nodes_for_guard1,
2801 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2802 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2803 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2804 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2805 find_loop_location): Likewise.
2806 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2807 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2808 get_vectype_for_scalar_type, vect_is_simple_use,
2809 supportable_widening_operation, supportable_narrowing_operation):
2810 Likewise.
2811 (bb_in_loop_p): Move to tree-vect-loop.c.
2812 (new_loop_vec_info, destroy_loop_vec_info,
2813 reduction_code_for_scalar_code, report_vect_op,
2814 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2815 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2816 (vect_supportable_dr_alignment): Likewise.
2817 * tree-vectorizer.h (tree-data-ref.h): Include.
2818 (vect_loop_location): Declare.
2819 Reorganize function declarations according to the new file structure.
2820 * tree-vect-loop.c: New file.
2821 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2822 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2823 * tree-vect-data-refs.c: New file.
2824 * tree-vect-patterns.c (timevar.h): Don't include.
2825 * tree-vect-stmts.c: New file.
2826 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2827 tree-vect-slp.c, tree-vect-loop.c.
2828 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2829 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
2830 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2831 (tree-vect-analyze.o): Remove.
2832 (tree-vect-transform.o): Likewise.
2833 (tree-vect-data-refs.o): Add rule.
2834 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
2835 tree-vect-slp.o): Likewise.
2836 (tree-vect-patterns.o): Remove redundant dependencies.
2837 (tree-vectorizer.o): Likewise.
2838 * tree-vect-slp.c: New file.
2840 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2842 * optc-gen.awk: Warn if an option flag has multiple different
2843 help strings.
2845 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
2847 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2848 -floop-block): Document dependences on PPL, CLooG and Graphite.
2850 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2852 PR rtl-optimization/323
2853 * c-common.c (c_fully_fold, convert_and_check,
2854 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2855 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2856 * c-common.def (EXCESS_PRECISION_EXPR): New.
2857 * c-cppbuiltin.c (builtin_define_float_constants): Define
2858 constants with enough digits for long double.
2859 * c-lex.c (interpret_float): Interpret constant with excess
2860 precision where appropriate.
2861 * c-opts.c (c_common_post_options): Set
2862 flag_excess_precision_cmdline. Give an error for
2863 -fexcess-precision=standard for C++ for processors where the
2864 option is significant.
2865 * c-parser.c (c_parser_conditional_expression): Handle excess
2866 precision in condition.
2867 * c-typeck.c (convert_arguments): Handle arguments with excess
2868 precision.
2869 (build_unary_op): Move excess precision outside operation.
2870 (build_conditional_expr): Likewise.
2871 (build_compound_expr): Likewise.
2872 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2873 (build_modify_expr): Handle excess precision in RHS.
2874 (convert_for_assignment): Handle excess precision in converted
2875 value.
2876 (digest_init, output_init_element, process_init_element): Handle
2877 excess precision in initializer.
2878 (c_finish_return): Handle excess precision in return value.
2879 (build_binary_op): Handle excess precision in operands and add
2880 excess precision as needed for operation.
2881 * common.opt (-fexcess-precision=): New option.
2882 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2883 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2884 For standard excess precision, output explicit conversion to and
2885 truncation from XFmode.
2886 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2887 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2888 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2889 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2890 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2891 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2892 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2893 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2894 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2895 define_splits, sqrt<mode>2): Disable where appropriate for
2896 standard excess precision.
2897 * convert.c (convert_to_real): Do not shorten arithmetic to type
2898 for which excess precision would be used.
2899 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2900 * doc/invoke.texi (-fexcess-precision=): Document option.
2901 (-mfpmath=): Correct index entry.
2902 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2903 flag_excess_precision): New.
2904 * langhooks.c (lhd_post_options): Set
2905 flag_excess_precision_cmdline.
2906 * opts.c (common_handle_option): Handle -fexcess-precision=.
2907 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2908 init_excess_precision): New.
2909 (lang_dependent_init_target): Call init_excess_precision.
2910 * tree.c (excess_precision_type): New.
2911 * tree.h (excess_precision_type): Declare.
2913 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2915 PR c/35235
2916 * c-typeck.c (build_component_ref): Do not copy qualifiers from
2917 non-lvalue to component.
2919 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2921 PR preprocessor/34695
2922 * Makefile.in (c-opts.o): Depend on c-tree.h.
2923 * c-common.c: Move down include of diagnostic.h.
2924 (done_lexing, c_cpp_error): New.
2925 * c-common.h (done_lexing): Declare.
2926 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2927 (parse_in).
2928 * c-opts.c: Include c-tree.h.
2929 (c_common_init_options): Set preprocessor error callback.
2930 (c_common_handle_option): Do not set preprocessor
2931 inhibit_warnings, warnings_are_errors, warn_system_headers,
2932 pedantic_errors or inhibit_warnings flags.
2933 (c_common_post_options): Do not check cpp_errors (parse_in).
2934 (c_common_finish): Do not output dependencies if there were
2935 errors. Do not check return value of cpp_finish.
2936 * c-ppoutput.c (pp_file_change): Set input_location.
2937 * c-tree.h (c_cpp_error): Declare.
2938 * diagnostic.c (diagnostic_set_info_translated): Also initialize
2939 override_column.
2940 (diagnostic_build_prefix): Check override_column.
2941 * diagnostic.h (diagnostic_info): Add override_column field.
2942 (diagnostic_override_column): Define.
2944 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
2946 * c-common.c (c_expand_expr, c_staticp): Remove.
2947 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2948 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2949 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2950 * c-gimplify.c (gimplify_compound_literal_expr,
2951 optimize_compound_literals_in_ctor): Remove.
2952 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2953 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2954 * c-semantics.c (emit_local_var): Remove.
2956 * langhooks-def.h (lhd_expand_expr): Remove.
2957 * langhooks.c (lhd_expand_expr): Remove.
2958 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2960 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2961 handling from c-semantics.c; don't call into langhook.
2962 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2963 * gimplify.c (gimplify_compound_literal_expr,
2964 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2965 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2966 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2967 as was done in c-gimplify.c.
2968 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2969 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2970 Move from c-common.h.
2971 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2973 * tree.c (staticp): Do not call langhook.
2974 * langhooks.c (lhd_staticp): Delete.
2975 * langhooks-def.h (lhd_staticp): Delete prototype.
2976 (LANG_HOOKS_STATICP): Delete.
2977 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2979 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2980 instead of DECL_STMTs.
2982 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2984 PR c/456
2985 PR c/5675
2986 PR c/19976
2987 PR c/29116
2988 PR c/31871
2989 PR c/35198
2990 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2991 void_type_node.
2992 (fold_call_expr): Return a NOP_EXPR from folding rather than the
2993 contained expression.
2994 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2995 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
2996 conditional expressions for C.
2997 (decl_constant_value_for_optimization): Move from
2998 decl_constant_value_for_broken_optimization in c-typeck.c. Check
2999 whether optimizing and that the expression is a VAR_DECL not of
3000 array type instead of doing such checks in the caller. Do not
3001 check pedantic. Call gcc_unreachable for C++.
3002 * c-common.def (C_MAYBE_CONST_EXPR): New.
3003 * c-common.h (c_fully_fold, c_save_expr,
3004 decl_constant_value_for_optimization): New prototypes.
3005 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3006 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3007 EXPR_INT_CONST_OPERANDS): Define.
3008 * c-convert.c (convert): Strip nops from expression.
3009 * c-decl.c (groktypename): Take extra parameters expr and
3010 expr_const_operands. Update call to grokdeclarator.
3011 (start_decl): Update call to grokdeclarator. Add statement for
3012 expressions used in type of decl.
3013 (grokparm): Update call to grokdeclarator.
3014 (push_parm_decl): Update call to grokdeclarator.
3015 (build_compound_literal): Add parameter non_const and build a
3016 C_MAYBE_COSNT_EXPR if applicable.
3017 (grokdeclarator): Take extra parameters expr and
3018 expr_const_operands. Track expressions used in declaration
3019 specifiers and declarators. Fold array sizes and track whether
3020 they are constant expressions and whether they are integer
3021 constant expressions.
3022 (parser_xref_tag): Set expr and expr_const_operands fields in
3023 return value.
3024 (grokfield): Update call to grokdeclarator.
3025 (start_function): Update call to grokdeclarator.
3026 (build_null_declspecs): Set expr and expr_const_operands fields in
3027 return value.
3028 (declspecs_add_type): Handle expressions in typeof specifiers.
3029 * c-parser.c (c_parser_declspecs): Set expr and
3030 expr_const_operands fields for declaration specifiers.
3031 (c_parser_enum_specifier): Likewise.
3032 (c_parser_struct_or_union_specifier): Likewise.
3033 (c_parser_typeof_specifier): Likewise. Update call to
3034 groktypename. Fold expression as needed. Return expressions with
3035 type instead of adding statements.
3036 (c_parser_attributes): Update calls to c_parser_expr_list.
3037 (c_parser_statement_after_labels): Fold expression before passing
3038 to objc_build_throw_stmt.
3039 (c_parser_condition): Fold expression.
3040 (c_parser_asm_operands): Fold expression.
3041 (c_parser_conditional_expression): Use c_save_expr. Update call
3042 to build_conditional_expr.
3043 (c_parser_alignof_expression): Update call to groktypename.
3044 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3045 original_code. Fold expression argument of va_arg. Create
3046 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3047 argument to va_arg. Update calls to groktypename. Fold array
3048 index for offsetof. Verify that first argument to
3049 __builtin_choose_expr has integer type.
3050 (c_parser_postfix_expression_after_paren_type): Update calls to
3051 groktypename and build_compound_literal. Handle expressions with
3052 side effects in type name.
3053 (c_parser_postfix_expression_after_primary): Update call to
3054 c_parser_expr_list. Set original_code for calls to
3055 __builtin_constant_p.
3056 (c_parser_expr_list): Take extra parameter fold_p. Fold
3057 expressions if requested.
3058 (c_parser_objc_type_name): Update call to groktypename.
3059 (c_parser_objc_synchronized_statement): Fold expression.
3060 (c_parser_objc_receiver): Fold expression.
3061 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3062 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3063 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3064 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3065 (struct c_typespec): Add elements expr and expr_const_operands.
3066 (struct c_declspecs): Add elements expr and expr_const_operands.
3067 (groktypename, build_conditional_expr, build_compound_literal):
3068 Update prototypes.
3069 (in_late_binary_op): Declare.
3070 * c-typeck.c (note_integer_operands): New function.
3071 (in_late_binary_op): New variable.
3072 (decl_constant_value_for_broken_optimization): Move to c-common.c
3073 and rename to decl_constant_value_for_optimization.
3074 (default_function_array_conversion): Do not strip nops.
3075 (default_conversion): Do not call
3076 decl_constant_value_for_broken_optimization.
3077 (build_array_ref): Do not fold result.
3078 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
3079 result when operand is a VLA.
3080 (c_expr_sizeof_type): Update call to groktypename. Handle
3081 expressions included in type name. Use C_MAYBE_CONST_EXPR for
3082 result when operand names a VLA type.
3083 (build_function_call): Update call to build_compound_literal.
3084 Only fold result for calls to __builtin_* functions. Strip
3085 NOP_EXPR from INTEGER_CST returned from such functions. Fold
3086 the function designator.
3087 (convert_arguments): Fold arguments. Update call to
3088 convert_for_assignment.
3089 (build_unary_op): Handle increment and decrement of
3090 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
3091 decrement earlier. Fold operand of increment and decrement.
3092 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
3093 built for integer operand. Wrap returns that are INTEGER_CSTs
3094 without being integer constant expressions or that have integer
3095 constant operands without being INTEGER_CSTs.
3096 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3097 (build_conditional_expr): Add operand ifexp_bcp. Track whether
3098 result is an integer constant expression or can be used in
3099 unevaluated parts of one and avoid folding and wrap as
3100 appropriate. Fold operands before possibly doing -Wsign-compare
3101 warnings.
3102 (build_compound_expr): Wrap result for C99 if operands can be used
3103 in integer constant expressions.
3104 (build_c_cast): Update call to digest_init. Do not ignore
3105 overflow from casting floating-point constants to integers. Wrap
3106 results that could be confused with integer constant expressions,
3107 null pointer constants or floating-point constants.
3108 (c_cast_expr): Update call to groktypename. Handle expressions
3109 included in type name.
3110 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
3111 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
3112 Update calls to convert_for_assignment.
3113 (convert_for_assignment): Take new parameter
3114 null_pointer_constant. Do not strip nops or call
3115 decl_constant_value_for_broken_optimization. Set
3116 in_late_binary_op for conversions to boolean.
3117 (store_init_value): Update call to digest_init.
3118 (digest_init): Take new parameter null_pointer_constant. Do not
3119 call decl_constant_value_for_broken_optimization. pedwarn for
3120 initializers not constant expressions. Update calls to
3121 convert_for_assignment.
3122 (constructor_nonconst): New.
3123 (struct constructor_stack): Add nonconst element.
3124 (really_start_incremental_init, push_init_level, pop_init_level):
3125 Handle constructor_nonconst and nonconst element.
3126 (set_init_index): Call constant_expression_warning for array
3127 designators.
3128 (output_init_element): Fold value. Set constructor_nonconst as
3129 applicable. pedwarn for initializers not constant expressions.
3130 Update call to digest_init. Call constant_expression_warning
3131 where constant initializers are required.
3132 (process_init_element): Use c_save_expr.
3133 (c_finish_goto_ptr): Fold expression.
3134 (c_finish_return): Fold return value. Update call to
3135 convert_for_assignment.
3136 (c_start_case): Fold switch expression.
3137 (c_process_expr_stmt): Fold expression.
3138 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3139 ensure statement expression is not evaluated in constant expression.
3140 (build_binary_op): Track whether results are integer constant
3141 expressions or may occur in such, disable folding and wrap results
3142 as applicable. Fold operands for -Wsign-compare warnings unless
3143 in_late_binary_op.
3144 (c_objc_common_truthvalue_conversion): Handle results folded to
3145 integer constants that are not integer constant expressions.
3146 * doc/extend.texi: Document when typeof operands are evaluated,
3147 that condition of __builtin_choose_expr is an integer constant
3148 expression, and more about use of __builtin_constant_p in
3149 initializers.
3151 2009-03-29 Richard Guenther <rguenther@suse.de>
3153 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3154 propagate addresses of array references.
3156 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
3158 * regmove.c (perhaps_ends_bb_p): Remove.
3159 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
3160 from INSN and check that the main loop stays within that basic block.
3161 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3162 (regmove_forward_pass): Split out from regmove_optimize. Use
3163 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3164 (regmove_backward_pass): Split out from regmove_optimize. Use
3165 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3166 (regmove_optimize): Simplify.
3168 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3170 PR target/39545
3171 * config/i386/i386.c (classify_argument): Ignore flexible array
3172 member in struct and warn ABI change.
3174 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3176 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3178 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3179 (ix86_adjust_cost): Updated.
3181 2009-03-29 Jan Hubicka <jh@suse.cz>
3183 PR middle-end/28850
3184 * tree-pass.h (pass_cleanup_eh): New function.
3185 (remove_unreachable_regions): Break code handling RTL
3186 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3187 that can not be reached by runtime.
3188 (can_be_reached_by_runtime): New function.
3189 (label_to_region_map): New function.
3190 (num_eh_regions): New function.
3191 (rtl_remove_unreachable_regions): New function.
3192 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3193 (remove_eh_region): New function.
3194 * except.h: Include sbitmap and vecprim.
3195 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3196 num_eh_regions): Declare.
3197 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3198 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3199 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3200 (tree_empty_eh_handler_p): New function.
3201 (cleanup_empty_eh): New function.
3202 (cleanup_eh): New function.
3203 (pass_cleanup_eh): New function.
3205 2009-03-29 Jan Hubicka <jh@suse.cz>
3207 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3208 for removed regions.
3210 2009-03-29 Jan Hubicka <jh@suse.cz>
3212 * except.c (dump_eh_tree): Dump all datastructures.
3214 2009-03-29 Jan Hubicka <jh@suse.cz>
3216 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3217 (duplicate_eh_regions_1): Likewise.
3218 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3219 vector; call EH verification.
3220 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3221 Be ready for region being removed.
3223 2009-03-29 Jan Hubicka <jh@suse.cz>
3225 * bitmap.c (bitmap_last_set_bit): New function.
3226 * bitmap.h (bitmap_last_set_bit): Declare.
3228 2009-03-29 David Ayers <ayers@fsfe.org>
3230 PR objc/27377
3231 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3232 by calling objc_compare_types and surpress warnings about
3233 incompatible C pointers that are compatible ObjC pointers.
3235 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3237 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3238 call initialize_inline_failed.
3239 (initialize_inline_failed): Move it from here ...
3240 * cgraph.c (initialize_inline_failed): ... to here.
3241 (cgraph_create_edge): Call initialize_inline_failed rather than
3242 setting inline_failed directly.
3244 2009-03-29 Ben Elliston <bje@au.ibm.com>
3246 PR target/32542
3247 * sysv4.opt (msdata): Improve comment.
3248 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3249 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3251 2009-03-29 Ben Elliston <bje@au.ibm.com>
3253 PR target/30451
3254 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3255 load and store attributes.
3257 2009-03-29 Ben Elliston <bje@au.ibm.com>
3259 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3260 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3261 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3262 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3263 __builtin_infq and __builtin_huge_valq.
3265 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3267 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3268 atmega8m1 devices.
3269 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3270 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3272 2009-03-28 Xinliang David Li <davidxl@google.com>
3274 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3275 (do_dbg_cnt): New function.
3277 2009-03-28 Jan Hubicka <jh@suse.cz>
3279 Merge from pretty-ipa:
3281 2009-03-27 Jan Hubicka <jh@suse.cz>
3283 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3284 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3285 * passes.c (function_called_by_processed_nodes_p): New.
3286 * ipa-pure-const.c (check_call): Fix handling of operands.
3287 (analyze_function): Dump debug output for skipped bodies.
3288 (local_pure_const): Use function_called_by_processed_nodes_p.
3289 * dwarf2out.c (reference_to_unused): Use output.
3290 * passes.c (do_per_function_toporder): Likewise.
3292 2008-11-12 Jan Hubicka <jh@suse.cz>
3294 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3295 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3296 state_set_in_source enum
3297 (check_decl): Ignore memory tags; do not set fake looping flags;
3298 dump diagnostics.
3299 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3300 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3301 (check_call, analyze_function): Rewrite.
3302 (check_stmt): New.
3303 (add_new_function): Update call of analyze_function.
3304 (generate_summary): Add call of analyze_function.
3305 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3306 (local_pure_const): New function.
3307 (pass_local_pure_const): New pass.
3308 * ipa-inline.c (inline_transform): Set after_inlining.
3309 * tree-eh.c (stmt_can_throw_external): New.
3310 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3311 work with aliasing built.
3312 * tree-flow.h (stmt_can_throw_external): New.
3313 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3314 and local pure/const pass in early and late optimization queue.
3316 2009-03-28 Martin Jambor <mjambor@suse.cz>
3318 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3319 allow_func_align.
3320 (fold_binary): Allow function decl aligment consideration is the
3321 second argument is integer constant one.
3322 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3323 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3324 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3326 2009-03-28 Jan Hubicka <jh@suse.cz>
3328 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3329 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3330 * function.h (rtl_data): Add nothrow flag.
3331 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3332 set DECL_NOTHROW for AVAILABLE functions.
3334 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3336 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3337 following vector keyword has expansion starting with pixel or bool
3338 keyword, expand vector to __vector and pixel or bool to __pixel or
3339 __bool.
3341 PR c++/39554
3342 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3343 warn_if_disallowed_function_p): Removed.
3344 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3345 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3346 warning_if_disallowed_function_p.
3347 * flags.h (warn_if_disallowed_function_p,
3348 warn_disallowed_functions): Removed.
3349 * common.opt (Wdisallowed-function-list=): Removed.
3350 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3352 2009-03-28 Richard Guenther <rguenther@suse.de>
3354 PR tree-optimization/38723
3355 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3356 the entry block.
3358 2009-03-28 Jan Hubicka <jh@suse.cz>
3360 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3361 test introduced by my previous patch.
3363 2009-03-28 Richard Guenther <rguenther@suse.de>
3365 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3366 the PHIs value undefined.
3368 2009-03-28 Jan Hubicka <jh@suse.cz>
3370 * tree-pass.h (pass_fixup_cfg): New pass.
3371 * ipa-inline.c (inline_transform): Set
3372 always_inline_functions_inlined/after_inlining.
3373 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3374 (pass_fixup_cfg): New pass.
3375 * passes.c (init_optimization_passes): Add fixup_cfg.
3377 2009-03-28 Richard Guenther <rguenther@suse.de>
3379 PR tree-optimization/38458
3380 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3381 argument use the arguments copy-of value.
3383 2009-03-28 Richard Guenther <rguenther@suse.de>
3385 PR tree-optimization/38180
3386 * tree-ssa-ccp.c (get_default_value): Simplify.
3387 (likely_value): Likewise.
3388 (surely_varying_stmt_p): Properly handle VOP case.
3389 (ccp_initialize): Likewise.
3390 (ccp_fold): Handle propagating through *&.
3391 (fold_const_aggregate_ref): Also handle decls.
3393 2009-03-28 Jan Hubicka <jh@suse.cz>
3395 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3396 * cgraph.h (cgraph_node): Likewise.
3397 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3398 (cgraph_reset_node): Use process flag.
3399 (cgraph_mark_functions_to_output): Likewise.
3400 (cgraph_expand_function): Likewise.
3401 (cgraph_expand_all_functions): Likewise.
3402 (cgraph_output_in_order): Likewise.
3403 * dwarf2out.c (reference_to_unused): Likewise.
3404 * passes.c do_per_function_toporder): Likewise.
3406 2009-03-28 Jan Hubicka <jh@suse.cz>
3408 Bring from lto-branch:
3410 2008-09-03 Doug Kwan <dougkwan@google.com>
3412 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3413 enums instead of reason strings.
3414 * cgraph.c (cgraph_create_edge): Same.
3415 (cgraph_inline_failed_string): New function.
3416 * cgraph.h (cgraph_inline_failed_t): New enum type.
3417 (cgraph_inline_failed_string): New prototype.
3418 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3419 char pointer to cgraph_inline_failed_t.
3420 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3421 (cgraph_default_inline_p): Ditto.
3422 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3423 to cgraph_inline_failed_t pointer.
3424 * cif-code.def: New file.
3425 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3426 reason string.
3427 (cgraph_check_inline_limits): Change type of REASON to pointer to
3428 cgraph_inline_failed_t. Replace reason strings with enums.
3429 (cgraph_default_inline_p): Ditto.
3430 (cgraph_recursive_inlining_p): Ditto.
3431 (update_caller_keys): Change type of FAILED_REASON to
3432 cgraph_inline_failed_t.
3433 (cgraph_set_inline_failed): Change type of REASON to pointer to
3434 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3435 convert enums to strings for text output.
3436 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3437 to be of type cgraph_inline_failed_t. Replace reason strings with
3438 enums. Call cgraph_inline_failed_string to covert enums
3439 to strings for text output.
3440 (cgraph_decide_inlining): Replace reason strings with enums.
3441 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3442 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3443 for text output.
3444 * tree-inline.c (expand_call_inline): Change type of REASON
3445 to cgraph_inline_failed_t. Replace reason strings with enums.
3446 Call cgraph_inline_failed_string for text output.
3447 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3448 (cgraph.o): Ditto.
3450 2009-03-28 Jan Hubicka <jh@suse.cz>
3452 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3453 cgraph_clone_node): Remove master clone handling.
3454 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3455 * cgraph.h (master_clone): Remove.
3456 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3457 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3458 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3460 2009-03-28 Jan Hubicka <jh@suse.cz>
3462 * cgraph.c (cgraph_function_body_availability): Functions declared
3463 inline are always safe to assume that it is not going to be replaced.
3465 2009-03-28 Richard Guenther <rguenther@suse.de>
3467 PR tree-optimization/38513
3468 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3469 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3470 EXC_PTR_EXPR and FILTER_EXPR.
3471 (get_ref_from_reference_ops): Likewise.
3473 2009-03-28 Richard Guenther <rguenther@suse.de>
3475 PR tree-optimization/38968
3476 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3477 Use FLOOR_MOD_EXPR to compute misalignment.
3479 2009-03-28 Richard Guenther <rguenther@suse.de>
3481 PR tree-optimization/37795
3482 * tree.h (combine_comparisons): Declare.
3483 * fold-const.c (combine_comparisons): Export.
3484 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3485 comparisons.
3486 (ifcombine_iforif): Use combine_comparisons.
3488 2009-03-28 Jan Hubicka <jh@suse.cz>
3490 * tree-eh.c (inlinable_call_p): New function.
3491 (make_eh_edges): Use it.
3492 (verify_eh_edges): Use it.
3493 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3494 * except.c (reachable_next_level): Add inlinable_function argument
3495 (sjlj_find_directly_reachable_regions): Update.
3496 (add_reachable_handler): Do not set saw_any_handlers.
3497 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3498 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3499 Add new inlinable call parameter.
3500 (can_throw_internal, can_throw_external): Update.
3501 * except.h (can_throw_internal_1, can_throw_external_1,
3502 foreach_reachable_handler): Update declaration.
3504 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3506 * config/arm/t-arm-coff, config/h8300/coff.h,
3507 config/i386/i386-aout.h, config/i386/i386-coff.h,
3508 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3509 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3510 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3511 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3512 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3513 sys-types.h: Remove.
3514 * Makefile.in: Remove protoize and fixproto support and references
3515 in comments.
3516 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3517 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3518 Remove.
3519 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3520 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3521 unprotoize$(exeext).
3522 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3523 (.PHONY): Don't depend on proto.
3524 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3525 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3526 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3527 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3528 build/gen-protos.o, build/scan.o, xsys-protos.h,
3529 build/fix-header$(build_exeext), build/fix-header.o,
3530 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3531 stmp-install-fixproto): Remove.
3532 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3533 SYSCALLS.c or fixproto files.
3534 (install-common): Don't install protoize.
3535 (install-headers-tar, install-headers-cpio, install-headers-cp):
3536 Don't depend on $(STMP_FIXPROTO).
3537 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3538 install fixproto files or write out fixproto settings.
3539 (uninstall): Don't uninstall protoize.
3540 * config.gcc (use_fixproto): Remove.
3541 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3542 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3543 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3544 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3545 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3546 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3547 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3548 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3549 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3550 * config/t-vxworks (STMP_FIXPROTO): Remove.
3551 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3552 STMP_FIXPROTO): Remove.
3553 * config.in, configure: Regenerate.
3554 * crtstuff.c (gid_t, uid_t): Don't undefine.
3555 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3556 (arm-*-coff, arm-*-aout: Remove target entries.
3557 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3558 Remove mention of AIX 4.1.
3559 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3560 * doc/invoke.texi (Running Protoize): Remove.
3561 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3562 (Protoize Caveats): Remove.
3563 * tsystem.h: Update comments on headers assumed to exist.
3565 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3567 * genautomata.c: Add a new year to the copyright. Add a new
3568 reference.
3569 (struct insn_reserv_decl): Add comments for member bypass_list.
3570 (find_bypass): Remove.
3571 (insert_bypass): New.
3572 (process_decls): Use insert_bypass.
3573 (output_internal_insn_latency_func): Output all bypasses with the
3574 same input insn in one switch case.
3576 * rtl.def (define_bypass): Describe bypass choice.
3577 * doc/md.texi (define_bypass): Ditto.
3579 2009-03-27 Richard Guenther <rguenther@suse.de>
3581 * gimplify.c (mark_addressable): Export.
3582 * tree-flow.h (mark_addressable): Declare.
3583 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3584 * tree-ssa.c (verify_phi_args): Verify that address taken
3585 variables have TREE_ADDRESSABLE set.
3587 2009-03-27 Richard Guenther <rguenther@suse.de>
3589 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3590 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3591 Do not mark decls TREE_ADDRESSABLE.
3592 (build_fold_addr_expr): Adjust.
3593 (fold_addr_expr): Remove.
3594 (fold_unary): Use build_fold_addr_expr.
3595 (fold_comparison): Likewise.
3596 (split_address_to_core_and_offset): Likewise.
3597 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3598 TREE_ADDRESSABLE.
3599 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3600 (gimplify_modify_expr_to_memcpy): Mark source and destination
3601 addressable.
3602 * omp-low.c (create_omp_child_function): Mark the object decl
3603 TREE_ADDRESSABLE.
3604 (lower_rec_input_clauses): Mark the var we take the address of
3605 TREE_ADDRESSABLE.
3606 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3608 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3610 PR middle-end/39315
3611 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3612 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3614 2009-03-27 Richard Guenther <rguenther@suse.de>
3616 PR tree-optimization/39120
3617 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3618 constraints.
3619 (handle_lhs_call): Process return constraints. Add escape
3620 constraints if necessary.
3621 (handle_const_call): Fill out return constraints. Make nested
3622 case more precise. Avoid consttmp if possible.
3623 (handle_pure_call): Fill out return constraints. Avoid
3624 callused if possible.
3625 (find_func_aliases): Simplify call handling.
3627 2009-03-27 Richard Guenther <rguenther@suse.de>
3629 PR tree-optimization/39120
3630 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3631 as a representative.
3632 (solve_graph): Do propagate CALLUSED.
3633 (handle_pure_call): Use a scalar constraint from CALLUSED for
3634 the return value.
3635 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3636 solutions.
3638 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3640 PR c/39323
3641 * c-common.c (handle_aligned_attribute): Properly check alignment
3642 overflow. Use (1U << i) instead of (1 << i).
3644 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3646 * expr.h (get_mem_align_offset): Updated.
3648 * tree.h (tree_decl_common): Change align to "unsigned int" and
3649 move it before pointer_alias_set.
3651 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3652 Jakub Jelinek <jakub@redhat.com>
3654 PR target/38034
3655 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3656 gr_register_operand with gr_reg_or_0_operand.
3657 (cmpxchg_rel_di): Likewise.
3658 (sync_lock_test_and_set<mode>): Likewise.
3660 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3662 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3663 (true_regnum): Likewise.
3665 * rtlanal.c (subreg_info): Moved to ...
3666 * rtl.h (subreg_info): Here. New.
3667 (subreg_get_info): New.
3669 * rtlanal.c (subreg_get_info): Make it extern.
3671 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3673 PR target/39472
3674 * config/i386/i386.c (ix86_abi): New.
3675 (override_options): Handle -mabi=.
3676 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3677 (ix86_call_abi_override): Likewise.
3678 (init_cumulative_args): Likewise.
3679 (function_arg_advance): Likewise.
3680 (function_arg_64): Likewise.
3681 (function_arg): Likewise.
3682 (ix86_pass_by_reference): Likewise.
3683 (ix86_function_value_regno_p): Likewise.
3684 (ix86_build_builtin_va_list_abi): Likewise.
3685 (setup_incoming_varargs_64): Likewise.
3686 (is_va_list_char_pointer): Likewise.
3687 (ix86_init_machine_status): Likewise.
3688 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3689 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3690 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3691 (ix86_function_abi): Make it static and return enum calling_abi.
3692 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3693 with ix86_abi.
3694 (ix86_fn_abi_va_list): Updated.
3696 * config/i386/i386.h (ix86_abi): New.
3697 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3698 (CONDITIONAL_REGISTER_USAGE): Likewise.
3699 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3700 (machine_function): Likewise.
3702 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3703 with ix86_abi.
3704 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3705 (STACK_BOUNDARY): Likewise.
3706 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3708 * config/i386/i386.opt (mabi=): New.
3710 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3711 return enum calling_abi.
3712 (ix86_function_type_abi): Likewise.
3713 (ix86_function_abi): Removed.
3715 * doc/invoke.texi: Document -mabi= option for x86.
3717 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3719 * builtins.c (real_dconstp): Delete.
3720 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3722 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3723 Jakub Jelinek <jakub@redhat.com>
3725 PR debug/37959
3726 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3727 (gen_subprogram_die): When a function is explicit, generate the
3728 DW_AT_explicit attribute.
3729 * langhooks.h (struct lang_hooks_for_decls): Add
3730 function_decl_explicit_p langhook.
3731 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3732 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3734 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3736 * builtins.c (fold_builtin_memory_op): Optimize memmove
3737 into memcpy if we can prove source and destination don't overlap.
3739 * tree-inline.c: Include gt-tree-inline.h.
3740 (clone_fn_id_num): New variable.
3741 (clone_function_name): New function.
3742 (tree_function_versioning): Use it.
3743 * Makefile.in (GTFILES): Add tree-inline.c.
3745 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3747 * BASE-VER: Change to 4.5.0.
3749 2009-03-27 Xinliang David Li <davidxl@google.com>
3751 PR tree-optimization/39557
3752 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3754 2009-03-27 Xinliang David Li <davidxl@google.com>
3756 PR tree-optimization/39548
3757 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3758 candidate check.
3760 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3762 * c-common.c (pointer_int_sum): Use %wd on return from
3763 tree_low_cst.
3765 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3767 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3768 on return from tree_low_cst.
3770 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3772 PR c++/36799
3773 * ginclude/stdarg.h (va_copy): Define also for
3774 __GXX_EXPERIMENTAL_CXX0X__.
3776 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3778 PR c++/35652
3779 * builtins.h (c_strlen): Do not warn here.
3780 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3781 * c-common.c (pointer_int_sum): Take an explicit location.
3782 Warn about offsets out of bounds.
3783 * c-common.h (pointer_int_sum): Adjust declaration.
3785 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3787 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3788 markup glitch.
3790 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3792 PR c++/39554
3793 * opts.c (warn_if_disallowed_function_p): Don't assume
3794 get_callee_fndecl must return non-NULL.
3796 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3798 PR rtl-optimization/39522
3799 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3800 when reg_reloaded_valid is set.
3802 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3804 * config/spu/divv2df3.c: New file.
3805 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3806 (DPBIT_FUNCS): Filter out _div_df.
3808 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3810 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3811 a jump insn, count that jump in the distance to the loop start.
3813 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
3815 PR target/39523
3816 * config/sh/sh.c (calc_live_regs): Fix condition for global
3817 registers except PIC_OFFSET_TABLE_REGNUM.
3819 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
3821 PR/39518
3822 * doc/invoke.texi (-mconsole): New.
3823 (-mcygwin): New.
3824 (-mno-cygwin): New.
3825 (-mdll): New.
3826 (-mnop-fun-dllimport): New.
3827 (-mthread): New.
3828 (-mwin32): New.
3829 (-mwindows): New.
3830 (sub section "i386 and x86-64 Windows Options"): New.
3832 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
3834 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3835 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3837 2009-03-25 Richard Guenther <rguenther@suse.de>
3839 PR middle-end/39497
3840 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3841 of -Wno-error.
3843 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
3845 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3846 neither of haifa/selective schedulers are working.
3848 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3850 * doc/invoke.texi (Debugging Options): Fix description of
3851 -fno-merge-debug-strings.
3853 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
3855 * config/cris/libgcc.ver: New version-script.
3856 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3858 * configure.ac <GAS features, nop mnemonic>: Add pattern
3859 crisv32-*-* for "nop".
3860 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3861 * configure: Regenerate.
3863 2009-03-24 Ira Rosen <irar@il.ibm.com>
3865 PR tree-optimization/39529
3866 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3867 mark_sym_for_renaming for the tag copied to the new vector
3868 pointer.
3870 2009-03-24 Arthur Loiret <aloiret@debian.org>
3872 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3873 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3874 EXTRA_SPEC_FUNCTIONS.
3875 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3876 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3877 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3878 -march and -mtune options.
3880 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
3882 * config/m68k/t-rtems: Add m5329 multilib.
3884 2009-03-24 Dodji Seketeli <dodji@redhat.com>
3885 Jakub Jelinek <jakub@redhat.com>
3887 PR debug/39524
3888 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3889 nodes.
3891 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3893 PR c/39495
3894 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3895 instead of c_parser_expression_conv, if original_code isn't one of the
3896 4 allowed comparison codes, fail.
3898 2009-03-23 Richard Guenther <rguenther@suse.de>
3900 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3901 * tree.h (struct tree_type): Likewise.
3902 * reload.h (struct insn_chain): Likewise.
3903 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3904 * function.h (struct function): Likewise.
3905 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3907 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3909 PR tree-optimization/39516
3910 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3912 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
3914 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3915 should be set true if BITS_PER_WORD of target is bigger than 32
3917 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
3919 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3920 Translate -B-options to -rpath-link. Correct existing
3921 rpath-link and conditionalize on !nostdlib.
3923 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3925 * doc/extend.texi (Function Attributes, Variable Attributes):
3926 Fix typos.
3927 * doc/invoke.texi (Debugging Options, Optimize Options)
3928 (i386 and x86-64 Options, MCore Options): Likewise.
3930 2009-03-20 Jakub Jelinek <jakub@redhat.com>
3932 PR debug/37890
3933 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3934 it for block local namespace aliases.
3935 (gen_decl_die): Pass context_die to gen_namespace_die.
3937 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3939 PR c/39495
3940 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3941 minimum or maximum value.
3943 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
3945 * reginfo.c (globalize_reg): Recompute derived reg sets.
3947 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
3949 PR target/39063
3950 * libgcc2.c (mprotect): Do not use signed arguments for
3951 VirtualProtect, use DWORD arguments. Also fix the 'may
3952 be used uninitialized' warning for the np variable.
3954 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3956 PR target/39496
3957 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3958 functions using regparm calling conventions when not optimizing.
3959 (ix86_function_sseregparm): Similarly for sseregparm calling
3960 conventions.
3962 2009-03-19 Li Feng <nemokingdom@gmail.com>
3964 PR middle-end/39500
3965 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3966 dependence if the first conflict is after niter iterations.
3968 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
3970 PR middle-end/38609
3971 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3972 functions with dynamic stack-pointer adjustments.
3974 2009-03-19 Ben Elliston <bje@au.ibm.com>
3976 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3977 option; change to -msdata=data.
3979 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3981 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3982 and -fopenmp.
3984 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
3986 PR target/35180
3987 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3989 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
3991 * doc/invoke.texi (Code Gen Options): Expand discussion of
3992 -fno-common.
3994 2009-03-18 Jakub Jelinek <jakub@redhat.com>
3996 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3997 * matrix-reorg.c (struct matrix_info): Likewise.
3998 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3999 * rtl.h (struct mem_attrs): Likewise.
4000 * df.h (struct df): Likewise.
4001 * tree-data-ref.h (struct data_dependence_relation): Likewise.
4002 * ira-int.h (struct ira_allocno): Likewise.
4003 * df-scan.c (struct df_collection_rec): Likewise.
4004 * ira.c (struct equivalence): Likewise.
4005 * function.c (struct temp_slot): Likewise.
4006 * cfgloop.h (struct loop): Likewise.
4008 PR debug/39485
4009 * function.c (use_register_for_decl): When not optimizing, disregard
4010 register keyword for variables with types containing methods.
4012 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
4014 PR middle-end/39447
4015 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4016 (is_simple_operand): Call contains_component_ref_p before calling data
4017 reference analysis that would fail on COMPONENT_REFs.
4019 * tree-vrp.c (search_for_addr_array): Fix formatting.
4021 2009-03-18 Richard Guenther <rguenther@suse.de>
4023 * tree-vect-transform.c (vect_loop_versioning): Fold the
4024 generated comparisons.
4025 * tree-vectorizer.c (set_prologue_iterations): Likewise.
4026 (slpeel_tree_peel_loop_to_edge): Likewise.
4028 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4030 PR middle-end/37805
4031 * opts.c (print_specific_help): In addition to `undocumented',
4032 accept `separate' and `joined' flags if passed alone. Describe
4033 output by the first matched one of those.
4034 (common_handle_option): Skip over empty strings.
4035 * gcc.c (display_help): Fix help string for `--help='.
4036 * doc/invoke.texi (Option Summary, Overall Options): With
4037 `--help=', classes and qualifiers can both be repeated, but
4038 only the latter can be negated. One should not pass only
4039 negated qualifiers. Fix markup and examples.
4041 Revert
4042 2008-10-14 Jakub Jelinek <jakub@redhat.com>
4043 PR middle-end/37805
4044 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4045 and -fhelp=separate.
4047 2009-03-17 Jing Yu <jingyu@google.com>
4049 PR middle-end/39378
4050 * function.h (struct rtl_data): Move is_thunk from here...
4051 (struct function): ...to here.
4052 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4053 * varasm.c (assemble_start_function): Change is_thunk from crtl to
4054 cfun.
4055 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4056 cfun.
4057 (alpha_does_function_need_gp, alpha_start_function): Likewise.
4058 (alpha_output_function_end_prologue): Likewise.
4059 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4060 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4061 (rs6000_output_function_epilogue): Likewise.
4062 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4064 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
4066 PR target/39482
4067 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4068 from different units in a single alternative.
4069 (*truncdfsf_i387): Ditto.
4070 (*truncxfsf2_mixed): Ditto.
4071 (*truncxfdf2_mixed): Ditto.
4073 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4075 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4076 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4078 PR debug/39474
4079 * tree-ssa-live.c (remove_unused_locals): Don't remove local
4080 unused non-artificial variables when not optimizing.
4082 PR debug/39471
4083 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4084 DW_TAG_imported_module even if decl is IMPORTED_DECL with
4085 NAMESPACE_DECL in its DECL_INITIAL.
4087 PR middle-end/39443
4088 * optabs.c (set_user_assembler_libfunc): New function.
4089 * expr.h (set_user_assembler_libfunc): New prototype.
4090 * c-common.c: Include libfuncs.h.
4091 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4092 for memcmp, memset, memcpy, memmove and abort.
4093 * Makefile.in (c-common.o): Depend on libfuncs.h.
4095 PR debug/39412
4096 * dwarf2out.c (gen_inlined_enumeration_type_die,
4097 gen_inlined_structure_type_die, gen_inlined_union_type_die,
4098 gen_tagged_type_instantiation_die): Removed.
4099 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4100 do nothing.
4102 2009-03-17 Janis Johnson <janis187@us.ibm.com>
4104 PR testsuite/38526
4105 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4106 its use.
4107 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4108 (check-parallel-%): Ditto.
4109 (check-consistency): Ditto.
4111 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
4113 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4114 local variable rhs by NULL_TREE.
4116 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4118 PR target/39477
4119 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4121 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4123 PR target/39476
4124 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4126 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4128 PR target/39473
4129 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4130 for ms->sysv ABI calls only in 64bit mode.
4132 * config/i386/i386.md (untyped_call): Support 32bit.
4134 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
4136 * doc/extend.texi: Replace x86_65 with x86_64.
4138 2009-03-16 Jakub Jelinek <jakub@redhat.com>
4140 PR tree-optimization/39455
4141 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4142 mismatches for POINTER_TYPE_P (type).
4143 (number_of_iterations_le): Likewise.
4145 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4147 * config/picochip/picochip.c: Removed profiling support.
4148 * config/picochip/picochip.md: Removed profiling instruction.
4149 * config/picochip/picochip.h: Removed profiling builtin.
4151 2009-03-16 Joseph Myers <joseph@codesourcery.com>
4153 * doc/install.texi (--with-host-libstdcxx): Document.
4155 2009-03-14 Anatoly Sokolov <aesok@post.ru>
4157 PR target/34299
4158 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4159 generate a warning if the function name does not begin with
4160 "__vector" and the function has either the 'signal' or 'interrupt'
4161 attribute, from here to ...
4162 (avr_declare_function_name): ...here. New function.
4163 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4164 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4166 2009-03-14 Jakub Jelinek <jakub@redhat.com>
4168 PR bootstrap/39454
4169 * cse.c (fold_rtx): Don't modify original const_arg1 when
4170 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4171 separate variable instead.
4172 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4173 from out of range shift counts.
4174 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4176 2008-03-13 Catherine Moore <clm@codesourcery.com>
4178 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4179 diagnostic.h with $(DIAGNOSTIC_H).
4181 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4183 PR target/39431
4184 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4185 predicate.
4186 * config/i386/sync.md (sync_compare_and_swap<mode>,
4187 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4188 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4189 into a register.
4190 (sync_double_compare_and_swapdi_pic,
4191 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4192 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4194 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4196 PR target/39445
4197 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4199 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4201 PR target/39327
4202 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4203 (avx_addsubv4df3): Likewise.
4204 (*avx_addsubv4sf3): Likewise.
4205 (sse3_addsubv4sf3): Likewise.
4207 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4209 PR target/38824
4210 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4212 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4214 PR debug/39432
4215 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4216 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4217 registers for allocnos created from user-defined variables.
4219 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4221 PR target/39181
4222 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4223 of non-integer mode as well.
4225 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4227 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4228 for functions for which the parameter types are unknown.
4230 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4232 PR target/39137
4233 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4234 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4235 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4236 * config/i386/i386.c (ix86_local_alignment): For
4237 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4238 long long variables on the stack to avoid dynamic realignment.
4239 Allow the first argument to be a decl rather than type.
4240 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4242 2009-03-11 Nick Clifton <nickc@redhat.com>
4244 PR target/5362
4245 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4246 options.
4247 Add description to mno-lsim option.
4248 * config/mcore/mcore.h: Remove comment about deprecated m4align
4249 option.
4250 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4251 * doc/invoke.texi: Add description of mno-lsim and
4252 mstack-increment options.
4254 * config/fr30/fr30.opt: Document the -mno-lsim option.
4255 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4256 and -mno-lsim options.
4258 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4260 * fold-const.c (fold_comparison): Only call fold_inf_compare
4261 if the mode supports infinities.
4263 2009-03-11 Jason Merrill <jason@redhat.com>
4265 PR debug/39086
4266 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4267 end already did. Notice GIMPLE_CALL modifications of the result.
4268 Don't copy debug information from an ignored decl or a decl from
4269 another function.
4271 2009-03-10 Richard Guenther <rguenther@suse.de>
4272 Nathan Froyd <froydnj@codesourcery.com>
4274 PR middle-end/37850
4275 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4276 (__divMODE3): Likewise.
4278 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4280 PR tree-optimization/39394
4281 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4282 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4284 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4286 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4287 inline asms for register asm ("") declarations.
4289 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4291 * fold-const.c (fold_unary): Fix comment.
4293 2009-03-07 Jan Hubicka <jh@suse.cz>
4295 PR target/39361
4296 * tree-inline.c (setup_one_parameter): Do replacement of const
4297 argument by constant in SSA form.
4299 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4301 PR middle-end/38028
4302 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4303 determine alignment passed to assign_stack_local.
4304 (assign_parms_unsplit_complex): Likewise.
4305 * except.c (sjlj_build_landing_pads): Likewise.
4307 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4309 PR middle-end/39360
4310 * tree-flow.h (add_referenced_var): Return bool instead of void.
4311 * tree-dfa.c (add_referenced_var): Return result of
4312 referenced_var_check_and_insert call.
4313 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4314 of referenced_var_check_and_insert.
4316 PR debug/39372
4317 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4318 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4319 DIE, don't emit it if abstract origin already has it.
4320 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4321 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4323 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4325 * genpreds.c (needs_variable): Fix parentheses at variable name
4326 detection.
4327 (write_tm_constrs_h): Indent generated code.
4329 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4331 * doc/extend.texi (Function Attributes): Add documentation
4332 for isr attributes.
4334 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4336 PR debug/39387
4337 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4338 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4340 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4342 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4343 the loop as bad.
4345 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4347 PR debug/39379
4348 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4349 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4351 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4353 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4354 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4355 constants instead of magic numbers.
4356 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4357 (QI_REG_P): Ditto.
4358 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4359 (x86_64_ms_abi_int_parameter_registers): Ditto.
4360 (x86_64_int_return_registers): Ditto.
4361 (ix86_maybe_switch_abi): Ditto.
4362 (ix86_expand_call): Ditto for clobbered_registers array.
4363 (ix86_hard_regno_mode_ok): Ditto.
4364 (x86_extended_QIreg_mentioned_p): Ditto.
4366 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4368 PR tree-optimization/39349
4369 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4371 * combine.c (gen_lowpart_for_combine): Use omode when generating
4372 clobber.
4374 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4376 PR rtl-optimization/39235
4377 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4379 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4381 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4383 2009-03-04 Richard Guenther <rguenther@suse.de>
4385 PR tree-optimization/39362
4386 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4387 that occur in abnormal PHIs should be varying.
4389 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4391 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4392 Extend comments.
4393 (simple_iv): Take loop as an argument instead of statement.
4394 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4395 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4396 to simple_iv.
4397 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4398 Ditto.
4399 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4400 * matrix-reorg.c (analyze_transpose): Ditto.
4401 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4402 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4403 * tree-predcom.c (ref_at_iteration): Ditto.
4404 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4406 2009-03-04 Richard Guenther <rguenther@suse.de>
4408 PR tree-optimization/39358
4409 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4410 escaped_id and callused_id.
4411 (solve_graph): Likewise.
4413 2009-03-04 Richard Guenther <rguenther@suse.de>
4415 PR tree-optimization/39339
4416 * tree-sra.c (try_instantiate_multiple_fields): Make it
4417 no longer ICE on the above.
4419 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4421 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4422 that fits within Pmode.
4424 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4426 PR middle-end/10109
4427 * tm.texi (LIBCALL_VALUE): Update description.
4429 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4431 PR middle-end/34443
4432 * doc/extend.texi (section): Update description.
4434 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4436 PR middle-end/39345
4437 * tree-inline.c (remapped_type): New.
4438 (can_be_nonlocal): Call remapped_type instead of remap_type.
4440 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4442 PR fortran/39354
4443 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4444 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4446 2009-03-03 Richard Guenther <rguenther@suse.de>
4448 PR middle-end/39272
4449 * tree.c (tree_nonartificial_location): New function.
4450 * tree.h (tree_nonartificial_location): Declare.
4451 * builtins.c (expand_builtin_memory_chk): Provide location
4452 of the call location for artificial function pieces.
4453 (maybe_emit_chk_warning): Likewise.
4454 (maybe_emit_sprintf_chk_warning): Likewise.
4455 (maybe_emit_free_warning): Likewise.
4456 * expr.c (expand_expr_real_1): Likewise.
4458 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4460 PR tree-optimization/39343
4461 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4462 COMPONENT_REF t has ARRAY_TYPE.
4464 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4466 PR middle-end/39335
4467 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4468 when the type precision of the induction variable should be
4469 larger than the type precision of nit.
4470 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4471 * graphite.c (graphite_loop_normal_form): Same.
4472 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4474 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4476 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4477 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4478 numbers to describe clobbered registers.
4479 (*call_value_0_rex64_ms_sysv): Ditto.
4480 * config/i386/mmx.md (mmx_emms): Ditto.
4481 (mmx_femms): Ditto.
4483 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4485 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4486 of ABI_64.
4488 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4490 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4491 (spu_section_type_flags): New function.
4493 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4495 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4496 reg_class_contents of FLOAT_REGS into a temporary.
4498 2009-03-02 Richard Guenther <rguenther@suse.de>
4499 Ira Rosen <irar@il.ibm.com>
4501 PR tree-optimization/39318
4502 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4503 information to the vectorized statement.
4505 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4507 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4508 variable. Use defined names instead of magic constants for REX SSE
4509 registers.
4511 2009-03-01 Richard Guenther <rguenther@suse.de>
4513 PR tree-optimization/39331
4514 * omp-low.c (lower_send_shared_vars): Do not receive new
4515 values for the reference of DECL_BY_REFERENCE parms or results.
4517 2009-03-01 Jan Hubicka <jh@suse.cz>
4519 PR debug/39267
4520 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4521 BLOCK_NONLOCALIZED_VAR): New macros.
4522 (tree_block): Add nonlocalized_vars.
4523 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4524 gen_decl_die): Add origin argument. Allow generation of die with
4525 origin at hand only.
4526 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4527 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4528 of gen_*.
4529 (gen_block_die): Fix checking for unused blocks.
4530 (process_scope_var): Break out from .... ; work with origins only.
4531 (decls_for_scope) ... here; process nonlocalized list.
4532 (dwarf2out_ignore_block): Look for nonlocalized vars.
4533 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4534 vars.
4535 (dump_scope_block): Dump them.
4536 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4537 (remap_block): Likewise.
4538 (can_be_nonlocal): New predicate.
4539 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4541 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4543 * configure: Regenerate.
4545 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4547 * optc-gen.awk: No need to duplicate option flags twice.
4548 Reuse help texts for duplicate options which do not have any.
4550 * gcc.c (display_help): Document --version.
4552 * gcc.c (main): If print_help_list and verbose_flag, ensure
4553 driver output comes before subprocess output.
4555 * optc-gen.awk: Assign all remaining fields to help string,
4556 space-separated, for multi-line help in *.opt.
4558 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4559 -Wno-pedantic-ms-format is for MinGW targets only.
4561 * doc/options.texi (Option file format): Fix bad indentation,
4562 restoring dropped sentence.
4564 2009-02-28 Jan Hubicka <jh@suse.cz>
4566 * tree-inline.c (tree_function_versioning): Output debug info.
4568 2009-02-28 Jan Hubicka <jh@suse.cz>
4570 PR debug/39267
4571 * tree-inline.c (setup_one_parameter): Do not copy propagate
4572 arguments when not optimizing.
4574 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4576 PR target/39327
4577 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4578 (avx_addsubv4df3): Likewise.
4579 (*avx_addsubv4sf3): Likewise.
4580 (sse3_addsubv4sf3): Likewise.
4581 (*avx_addsubv2df3): Likewise.
4582 (sse3_addsubv2df3): Likewise.
4583 (avx_unpckhps256): Correct item selectors.
4584 (avx_unpcklps256): Likewise.
4585 (avx_unpckhpd256): Likewise.
4586 (avx_unpcklpd256): Likewise.
4588 2009-02-28 Jan Hubicka <jh@suse.cz>
4590 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4591 static vars.
4592 (copy_arguments_for_versioning): If var is declared don't declare it.
4593 (tree_function_versioning): First setup substitutions and then copy
4594 args.
4596 2009-02-27 Jan Hubicka <jh@suse.cz>
4598 PR debug/39267
4599 * cgraph.h (varpool_output_debug_info): Remove.
4600 * cgraphunit.c (varpool_output_debug_info): Remove.
4601 * dwarf2out.c (deferred_locations_struct): New struct
4602 (deferred_locations): New type.
4603 (deferred_locations_list): New static var.
4604 (deffer_location): New function.
4605 (gen_variable_die): Use it.
4606 (decls_for_scope): Output info on local static vars.
4607 (dwarf2out_finish): Process deferred locations.
4608 * varpool.c (varpool_output_debug_info): Remove.
4610 2009-02-27 Jan Hubicka <jh@suse.cz>
4612 PR debug/39267
4613 * tree.h (TREE_PROTECTED): Fix comment.
4614 (BLOCK_HANDLER_BLOCK): Remove.
4615 (struct tree_block): Remove handler_block add body_block.
4616 (inlined_function_outer_scope_p): New.
4617 (is_body_block): Remove.
4618 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4619 * dwarf2out.c (is_inlined_entry_point): Remove.
4620 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4621 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4622 code.
4623 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4624 * gimplify.c (gimplify_expr): Gimplify body blocks.
4625 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4626 block with multiple subblocks.
4627 (dump_scope_block): Prettier output; dump more flags and info.
4628 (dump_scope_blocks): New.
4629 (remove_unused_locals): Use dump_scope_blocks.
4630 * tree-flow.h (dump_scope_blocks): Declare.
4631 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4632 * stmt.c (is_body_block): Remove.
4633 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4634 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4636 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4638 PR middle-end/39308
4639 * graphite.c (graphite_loop_normal_form): Do not call
4640 number_of_iterations_exit from a gcc_assert.
4642 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4644 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4645 jumps if COND is NULL.
4646 (find_cond_jump): New function.
4647 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4648 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4650 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4652 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4653 force_const_mem returns NULL_RTX.
4655 2009-02-26 Jan Hubicka <jh@suse.cz>
4657 PR debug/39267
4658 * cgraph.h (varpool_output_debug_info): Remove.
4659 * cgraphunit.c (varpool_output_debug_info): Remove.
4660 * dwarf2out.c (deferred_locations_struct): New struct
4661 (deferred_locations): New type.
4662 (deferred_locations_list): New static var.
4663 (deffer_location): New function.
4664 (gen_variable_die): Use it.
4665 (decls_for_scope): Output info on local static vars.
4666 (dwarf2out_finish): Process deferred locations.
4667 * varpool.c (varpool_output_debug_info): Remove.
4669 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4671 PR rtl-optimization/39241
4672 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4673 to subreg_offset_representable_p.
4675 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4677 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4678 execute function prototype. Get f and nregs from max_reg_num
4679 and get_insns. Remove the first backward pass as it's dead,
4680 guard the forward pass by flag_expensive_optimizations.
4681 (rest_of_handle_regmove): Delete.
4682 (pass_regmove): Replace it with regmove_optimize.
4684 2009-02-25 Martin Jambor <mjambor@suse.cz>
4686 PR tree-optimization/39259
4687 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4688 calls_alloca function flags.
4689 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4690 calls are detected.
4692 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4694 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4695 flags_set_1_rtx, flags_set_1_set): Delete.
4696 (regmove_optimize): Do not call mark_flags_life_zones.
4698 2009-02-24 Julian Brown <julian@codesourcery.com>
4700 PR target/35965
4701 * config/arm/arm.c (require_pic_register): Only set
4702 cfun->machine->pic_reg once per function.
4704 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4706 * doc/invoke.texi (Link Options): Document an easier way to pass
4707 options that take arguments to the GNU linker using -Xlinker and -Wl.
4709 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4711 PR target/33785
4712 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4714 2009-02-24 Richard Guenther <rguenther@suse.de>
4716 PR debug/39285
4717 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4719 2009-02-24 Richard Guenther <rguenther@suse.de>
4720 Zdenek Dvorak <ook@ucw.cz>
4722 PR tree-optimization/39233
4723 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4724 from converting them to a generic type.
4726 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4728 PR tree-optimization/39260
4729 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4730 contains a condition with a real type.
4731 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4733 2009-02-23 Jason Merrill <jason@redhat.com>
4735 PR c++/38880
4736 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4737 narrowing_initializer_constant_valid_p.
4738 (narrowing_initializer_constant_valid_p): Don't return
4739 null_pointer_node for adding a pointer to itself.
4741 2009-02-23 Jan Hubicka <jh@suse.cz>
4743 PR c/12245
4744 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4745 resizing.
4747 2009-02-23 Jan Hubicka <jh@suse.cz>
4749 PR tree-optimization/37709
4750 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4751 * tree.h (block_ultimate_origin): Declare.
4752 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4753 * tree-ssa-live.c (remove_unused_scope_block_p):
4754 Eliminate blocks containig no instructions nor live variables nor
4755 nested blocks.
4756 (dump_scope_block): New function.
4757 (remove_unused_locals): Enable removal of dead blocks by default;
4758 enable dumping at TDF_DETAILS.
4760 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4762 * config/i386/i386.c (classify_argument): Don't allow COImode
4763 and OImode.
4764 (function_arg_advance_32): Don't allow OImode.
4765 (function_arg_32): Likewise.
4766 (function_value_32): Likewise.
4767 (return_in_memory_32): Likewise.
4768 (function_arg_64): Remove OImode comment.
4770 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4772 PR target/39261
4773 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4774 ix86_expand_vector_set for V4DImode in 64bit mode only.
4775 (ix86_expand_vector_init_one_var): Likewise.
4777 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4779 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4781 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4783 PR bootstrap/39257
4784 * loop-iv.c: Revert last change.
4785 * emit-rtl.c: Likewise.
4787 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4789 PR target/39256
4790 * config/i386/i386.c (type_natural_mode): Remove an extra
4791 space in the warning message.
4792 (function_value_32): Handle 32-byte vector modes.
4793 (return_in_memory_32): Likewise.
4795 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4797 * loop-iv.c (truncate_value): New function.
4798 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4799 of lowpart_subreg.
4800 (lowpart_subreg): Move to...
4801 * emit-rtl.c: ...here.
4803 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
4805 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4806 accidental and undocumented change at revision 140860.
4808 2009-02-21 Joseph Myers <joseph@codesourcery.com>
4810 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4811 take gimple_seq * arguments.
4812 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4813 types_compatible_p langhook.
4815 2009-02-20 Mark Mitchell <mark@codesourcery.com>
4816 Joseph Myers <joseph@codesourcery.com>
4818 * config/arm/arm.c (arm_builtin_va_list): New function.
4819 (arm_expand_builtin_va_start): Likewise.
4820 (arm_gimplify_va_arg_expr): Likewise.
4821 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4822 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4823 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4824 (va_list_type): New variable.
4825 (arm_mangle_type): Mangle va_list_type appropriately.
4827 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4829 PR middle-end/39157
4830 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4831 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4832 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4833 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4834 parameter to 1000 for -O1 by default.
4835 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4836 parameter.
4837 * loop-invariant.c: Include params.h.
4838 (move_loop_invariants): Don't call move_single_loop_invariants on
4839 very large loops.
4841 2009-02-20 Jaka Mocnik <jaka@xlab.si>
4843 * calls.c (emit_library_call_value_1): Use slot_offset instead of
4844 offset when calculating bounds for indexing stack_usage_map. Fixes
4845 a buffer overflow with certain target setups.
4847 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4849 PR target/39240
4850 * calls.c (expand_call): Clear try_tail_call if caller and callee
4851 disagree in promotion of function return value.
4853 2009-02-19 Jakub Jelinek <jakub@redhat.com>
4855 PR target/39175
4856 * c-common.c (c_determine_visibility): If visibility changed and
4857 DECL_RTL has been already set, call make_decl_rtl to update symbol
4858 flags.
4860 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
4862 PR c++/39188
4863 * varasm.c (assemble_variable): Don't check DECL_NAME when
4864 globalizing a variable.
4866 2009-02-19 Joseph Myers <joseph@codesourcery.com>
4868 PR c/38483
4869 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4870 expression before any __builtin_trap call.
4871 * c-typeck.c (build_function_call): Convert and check function
4872 arguments before generating a call to a trap. Evaluate the
4873 function arguments before the trap.
4875 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
4877 PR target/39228
4878 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4879 (UNSPEC_FXAM_MEM): New unspec.
4880 (fxam<mode>2_i387_with_temp): New insn and split pattern.
4881 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
4882 memory using fxam<mode>2_i387_with_temp to remove excess precision.
4884 2009-02-19 Richard Guenther <rguenther@suse.de>
4886 PR tree-optimization/39207
4887 PR tree-optimization/39074
4888 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4889 storedanything_tree): New.
4890 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
4891 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4892 (build_succ_graph): Add edges from STOREDANYTHING to all
4893 non-direct nodes.
4894 (init_base_vars): Initialize STOREDANYTHING.
4895 (compute_points_to_sets): Free substitution info after
4896 building the succ graph.
4897 (ipa_pta_execute): Likewise.
4899 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4900 field.
4901 (do_ds_constraint): Do not add to special var or non-pointer
4902 field solutions.
4903 (type_could_have_pointers): Split out from ...
4904 (could_have_pointers): ... here. For arrays use the element type.
4905 (create_variable_info_for): Initialize may_have_pointers.
4906 (new_var_info): Likewise.
4907 (handle_lhs_call): Make the HEAP variable unknown-sized.
4908 (intra_create_variable_infos): Use a type with pointers for
4909 PARM_NOALIAS, make it unknown-sized.
4911 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
4913 PR target/39224
4914 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4916 2009-02-18 Jason Merrill <jason@redhat.com>
4918 PR target/39179
4919 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4920 value if DECL_EXTERNAL.
4921 * tree-sra.c (sra_walk_gimple_assign): Likewise.
4922 * target.h (gcc_target::binds_local_p): Clarify "module".
4923 * tree.h (TREE_PUBLIC): Clarify "module".
4925 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
4927 PR target/38891
4928 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4929 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4931 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
4933 PR target/39082
4934 * c.opt (Wabi): Support C and ObjC.
4935 (Wpsabi): New.
4937 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4939 * config/i386/i386.c (classify_argument): Warn once about the ABI
4940 change when passing union with long double.
4942 * doc/invoke.texi: Update -Wabi for warning psABI changes.
4944 2009-02-18 Joseph Myers <joseph@codesourcery.com>
4946 PR c/35447
4947 * c-parser.c (c_parser_compound_statement): Always enter and leave
4948 a scope.
4950 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4952 PR target/34587
4953 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4955 2009-02-18 Jakub Jelinek <jakub@redhat.com>
4957 PR tree-optimization/36922
4958 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4959 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4960 Likewise.
4962 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4964 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4965 to 0 for EABI64.
4967 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4969 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4971 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4973 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4974 tree sharing.
4976 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4977 Richard Sandiford <rdsandiford@googlemail.com>
4979 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4980 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4981 (loongson_biadd): ...this.
4983 2009-02-17 Richard Guenther <rguenther@suse.de>
4985 PR tree-optimization/39202
4986 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4987 a var make sure to follow existing collapses.
4989 2009-02-17 Richard Guenther <rguenther@suse.de>
4991 PR middle-end/39214
4992 * langhooks.c (lhd_print_error_function): Check for NULL block.
4994 2009-02-17 Richard Guenther <rguenther@suse.de>
4996 PR tree-optimization/39204
4997 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4998 of the PHI arg.
5000 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
5002 * config/soft-fp/double.h: Update from glibc CVS.
5004 2009-02-17 Richard Guenther <rguenther@suse.de>
5006 PR tree-optimization/39207
5007 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5008 strict-aliasing warnings for pointers pointing to NULL.
5010 2009-02-16 Joseph Myers <joseph@codesourcery.com>
5012 PR c/35446
5013 * c-parser.c (c_parser_braced_init): Call pop_init_level when
5014 skipping until next close brace.
5016 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
5018 PR target/37049
5019 * config/i386/i386.c (ix86_expand_push): Set memory alignment
5020 to function argument boundary.
5022 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5024 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5025 in the lea_add. Reload eventually constraints it properly.
5026 * config/picochip/constraints.md : Remove the target constraint
5027 "b", since it is not needed anymore.
5029 2009-02-16 Jakub Jelinek <jakub@redhat.com>
5031 * gthr-dce.h: Uglify function parameter and local variable names.
5032 * gthr-gnat.h: Likewise.
5033 * gthr-mipssde.h: Likewise.
5034 * gthr-nks.h: Likewise.
5035 * gthr-posix95.h: Likewise.
5036 * gthr-posix.h: Likewise.
5037 * gthr-rtems.h: Likewise.
5038 * gthr-single.h: Likewise.
5039 * gthr-solaris.h: Likewise.
5040 * gthr-tpf.h: Likewise.
5041 * gthr-vxworks.h: Likewise.
5042 * gthr-win32.h: Likewise.
5044 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
5046 PR target/39196
5047 * config/i386/i386.md: Restrict the new peephole2 to move
5048 between MMX/SSE registers.
5050 2009-02-15 Richard Guenther <rguenther@suse.de>
5052 Revert
5053 2009-02-13 Richard Guenther <rguenther@suse.de>
5055 * configure.ac: Enable LFS.
5056 * configure: Re-generate.
5057 * config.in: Likewise.
5059 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5061 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5062 spu_srqwbyte, spu_srqwbytebc): Define.
5063 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5064 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5065 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5066 "shrqby_<mode>"): New insn-and-split patterns.
5067 * config/spu/spu.c (expand_builtin_args): Determine and return
5068 number of operands using spu_builtin_description data.
5069 (spu_expand_builtin_1): Use it.
5071 2009-02-13 Steve Ellcey <sje@cup.hp.com>
5073 PR target/38056
5074 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5075 TARGET_CONST_GP.
5077 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5079 PR target/39149
5080 * config/i386/i386.c (override_options): Correct warning
5081 messages for -malign-loops, -malign-jumps and -malign-functions.
5083 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5085 PR target/39152
5086 * config/i386/i386.md: Restrict the new peephole2 to move
5087 between the general purpose registers.
5089 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5091 PR target/39162
5092 * config/i386/i386.c (type_natural_mode): Add a new argument.
5093 Return the original mode and warn ABI change if vector size is 32byte.
5094 (function_arg_advance): Updated.
5095 (function_arg): Likewise.
5096 (ix86_function_value): Likewise.
5097 (ix86_return_in_memory): Likewise.
5098 (ix86_sol10_return_in_memory): Likewise.
5099 (ix86_gimplify_va_arg): Likewise.
5100 (function_arg_32): Don't warn ABX ABI change here.
5101 (function_arg_64): Likewise.
5103 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
5105 * loop-iv.c (implies_p): In the final case, test that operands 0
5106 of the two comparisons match.
5108 * config/bfin/bfin.c (find_prev_insn_start): New function.
5109 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5110 (find_next_insn_start): Move.
5112 2009-02-13 Richard Guenther <rguenther@suse.de>
5114 * configure.ac: Enable LFS.
5115 * configure: Re-generate.
5116 * config.in: Likewise.
5118 2009-02-13 Joseph Myers <joseph@codesourcery.com>
5120 PR c/35444
5121 * c-parser.c (c_parser_parms_list_declarator): Discard pending
5122 sizes on syntax error after some arguments have been parsed.
5124 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5126 * doc/invoke.texi (-fira): Remove.
5128 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5130 * caller-save.c: Replace regclass.c with reginfo.c in comments.
5131 * recog.c: Likewise.
5132 * rtl.h: Likewise.
5134 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
5136 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5137 (umul_ppmm): Likewise.
5138 (count_leading_zeros): Likewise.
5139 (count_trailing_zeros): Likewise.
5140 (UMUL_TIME): Likewise.
5142 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5144 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5145 soft-fp/t-softfp to tmake_file.
5147 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5148 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5149 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5150 IA64_BUILTIN_INFQ]: New.
5151 (ia64_init_builtins): Initialize __builtin_infq,
5152 __builtin_fabsq and __builtin_copysignq if not HPUX.
5153 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5154 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5156 * config/ia64/lib1funcs.asm (__divtf3): Define only if
5157 SHARED is defined.
5158 (__fixtfti): Likewise.
5159 (__fixunstfti): Likewise.
5160 (__floattitf): Likewise.
5162 * config/ia64/libgcc-glibc.ver: New.
5163 * config/ia64/t-fprules-softfp: Likewise.
5164 * config/ia64/sfp-machine.h: Likewise.
5166 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5167 (LIBGCC2_TF_CEXT): Likewise.
5168 (TF_SIZE): Likewise.
5169 (TARGET_INIT_LIBFUNCS): Likewise.
5171 * config/ia64/t-glibc (SHLINB_MAPFILES):
5172 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5174 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5176 * config/i386/i386.c (construct_container): Rewrite processing
5177 BLKmode with X86_64_SSE_CLASS.
5179 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5181 PR target/39152
5182 * config/i386/i386.md: Replace simplify_replace_rtx with
5183 replace_rtx in the new peephole2.
5185 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5187 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5188 loop unrolling do not happen at -O2.
5190 2009-02-12 Michael Matz <matz@suse.de>
5192 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5194 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5196 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5197 for -g3.
5199 2009-02-12 Ben Elliston <bje@au.ibm.com>
5201 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5202 patterns when updating the back chain. Missed in the 2009-02-10
5203 change.
5205 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5207 * doc/extend.texi (Decimal Floating Types): Update identifier of
5208 draft TR and list of missing support.
5210 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5212 PR middle-end/39154
5213 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5214 bit to variable length decl's flags, add it also to its
5215 pointer replacement variable.
5217 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5218 Jakub Jelinek <jakub@redhat.com>
5220 PR target/39118
5221 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5222 (memory_blockage): New expander.
5223 (*memory_blockage): New insn pattern.
5224 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5225 instead of general blockage at the end of function prologue when
5226 frame pointer is used to access red zone area. Do not emit blockage
5227 when profiling, it is emitted in generic code.
5228 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5229 function epilogue when frame pointer is used to access red zone area.
5231 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5233 PR target/38824
5234 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5235 by arithmetic with memory operands.
5236 * config/i386/predicates.md (commutative_operator): New.
5238 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5240 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5241 bulleted lists.
5243 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5245 * alias.h (record_alias_subset): Declare.
5246 * alias.c (record_alias_subset): Make global.
5248 2009-02-10 Nick Clifton <nickc@redhat.com>
5250 * tree-parloops.c: Change license to GPLv3.
5251 * ipa-struct-reorg.c: Change license to GPLv3.
5252 * ipa-struct-reorg.h: Change license to GPLv3.
5254 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5256 PR c/39084
5257 * c-decl.c (start_struct): Return NULL on error.
5259 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5261 PR middle-end/39124
5262 * cfgloopmanip.c (remove_path): Call remove_bbs after
5263 cancel_loop_tree, not before it.
5265 PR target/39139
5266 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5267 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5268 VAR_DECLs were seen.
5269 * tree-ssa-live.c (remove_unused_locals): Recompute
5270 cfun->has_local_explicit_reg_vars.
5271 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5272 copies or clearings if cfun->has_local_explicit_reg_vars.
5274 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5276 PR target/39118
5277 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5278 of function prologue when frame pointer is used to access
5279 red zone area.
5281 2009-02-10 Richard Guenther <rguenther@suse.de>
5283 PR middle-end/39127
5284 * gimplify.c (gimple_regimplify_operands): Always look if
5285 we need to create a temporary.
5287 2009-02-10 Richard Guenther <rguenther@suse.de>
5289 PR tree-optimization/39132
5290 * tree-loop-distribution.c (todo): New global var.
5291 (generate_memset_zero): Trigger TODO_rebuild_alias.
5292 (tree_loop_distribution): Return todo.
5294 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5296 PR target/39119
5297 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5298 (x86_64_reg_class_name): Removed.
5299 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5300 first one isn't X86_64_SSE_CLASS or any other ones aren't
5301 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5302 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5303 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5304 and 3 X86_64_SSEUP_CLASS.
5305 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5306 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5308 2009-02-10 Ben Elliston <bje@au.ibm.com>
5310 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5311 form instruction to update the stack back chain word, even if the
5312 user has disabled the generation of update instructions.
5313 (movdi_<mode>_update_stack): New.
5314 (movsi_update_stack): Likewise.
5315 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5316 always use an update form instruction to update the stack back
5317 chain word.
5319 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5321 PR middle-end/38953
5322 * graphite.c (if_region_set_false_region): After moving a region in
5323 the false branch of a condition, remove the empty dummy basic block.
5324 (gloog): Remove wrong fix for PR38953.
5326 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5328 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5329 generation due to implicit sign extension.
5331 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5333 PR middle-end/38981
5334 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5335 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5337 2009-02-09 Richard Guenther <rguenther@suse.de>
5339 PR middle-end/35202
5340 * convert.c (convert_to_real): Disable (float)fn((double)x)
5341 to fnf(x) conversion if errno differences may occur and
5342 -fmath-errno is set.
5344 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5346 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5347 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5348 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5350 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5352 PR c/35434
5353 * c-common.c (handle_alias_attribute): Disallow attribute for
5354 anything not a FUNCTION_DECL or VAR_DECL.
5356 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5358 PR c/39035
5359 * real.c (do_compare): Special-case compare of zero against
5360 decimal float value.
5362 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5364 PR c/36432
5365 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5366 as indicating flexible array members unless the field itself is
5367 being declarared as the incomplete array.
5369 2009-02-06 Jan Hubicka <jh@suse.cz>
5371 PR tree-optimization/38844
5372 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5373 is already inlined.
5375 2009-02-06 Richard Guenther <rguenther@suse.de>
5377 PR middle-end/38977
5378 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5379 fork because we may expand it as __gcov_fork.
5381 2009-02-06 Nick Clifton <nickc@redhat.com>
5383 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5385 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5387 PR tree-optimization/35659
5388 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5389 vn_phi_eq): Shortcut if hashcode does not match.
5390 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5391 NULL operands.
5392 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5393 and avoid iterative_hash_expr.
5394 (FOR_EACH_VALUE_ID_IN_SET): New.
5395 (value_id_compare): Remove.
5396 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5397 sort expressions by value id.
5399 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5401 PR target/38991
5402 * config/sh/predicates.md (general_movsrc_operand): Don't check
5403 the subreg of system registers here.
5405 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5407 PR c++/39106
5408 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5409 on the copied decl.
5411 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5413 PR rtl-optimization/39110
5414 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5415 addresses, not aligned ones.
5417 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5418 Richard Guenther <rguenther@suse.de>
5420 PR tree-optimization/39100
5421 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5422 comment says and add edges.
5424 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5426 PR c/35435
5427 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5428 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5430 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5432 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5433 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5434 register_bb_in_sese, new_sese, free_sese): Moved.
5435 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5436 outermost_loop_in_scop, build_scop_iteration_domain,
5437 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5438 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5439 Use loop_in_sese_p instead of loop_in_scop_p.
5440 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5441 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5442 (scopdet_basic_block_info): Fix bug in scop detection.
5443 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5444 eq_loop_to_cloog_loop): Remove.
5445 (nb_loops_around_loop_in_scop, nb_loop
5446 ref_nb_loops): Moved here...
5447 * graphite.h (ref_nb_loops): ... from here.
5448 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5449 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5450 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5451 * testsuite/gcc.dg/graphite/scop-19.c: New
5453 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5454 Hans-Peter Nilsson <hp@axis.com>
5456 PR rtl-optimization/37889
5457 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5458 Move offset handling from PLUS to before the switch. Use new
5459 arguments when considering SYMBOL_REFs too.
5460 (rtx_addr_can_trap_p): Pass dummy offset and size.
5461 (enum may_trap_p_flags): Remove.
5462 (may_trap_p_1): Pass size from MEM_SIZE.
5464 PR rtl-optimization/38921
5465 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5466 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5467 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5468 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5470 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5472 AVX Programming Reference (January, 2009)
5473 * config/i386/sse.md (*vpclmulqdq): New.
5475 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5477 PR tree-optimization/38977
5478 PR gcov-profile/38292
5479 * calls.c (special_function_p): Disregard __builtin_ prefix.
5481 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5483 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5484 non-indexable addresses even before reload.
5486 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5488 PR c/29129
5489 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5490 as having variable size. Do not give an error for unnamed
5491 parameters with [*] declarators. Give a warning for type names
5492 with [*] declarators and mark them as variable size.
5493 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5494 for sizeof applied to [*] type names.
5496 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5498 PR C++/36607
5499 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5501 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5503 * gcc.c (process_command): Update copyright notice dates.
5504 * gcov.c (print_version): Likewise.
5505 * gcov-dump.c (print_version): Likewise.
5506 * mips-tfile.c (main): Likewise.
5507 * mips-tdump.c (main): Likewise.
5509 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5511 PR c/35433
5512 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5513 for composite type involving a zero-length array type.
5515 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5517 PR target/35318
5518 * function.c (match_asm_constraints_1): Skip over
5519 initial optional % in the constraint.
5521 PR inline-asm/39059
5522 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5523 supported, don't accept FIXED_CSTs.
5524 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5525 and _Sat is used without _Fract/_Accum. Set specs->type to
5526 integer_type_node for cts_fract/cts_accum if fixed point is not
5527 supported.
5529 2009-02-02 Catherine Moore <clm@codesourcery.com>
5531 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5533 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5535 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5536 (ABI_HAS_64BIT_SYMBOLS): Use it.
5537 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5539 2009-02-02 Paul Brook <paul@codesourcery.com>
5541 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5543 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5545 PR inline-asm/39058
5546 * recog.h (asm_operand_ok): Add constraints argument.
5547 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5548 recurse on matching constraint.
5549 (check_asm_operands): Pass constraints as 3rd argument to
5550 asm_operand_ok. Don't look up matching constraint here.
5551 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5552 to asm_operand_ok.
5554 2009-02-02 Ben Elliston <bje@au.ibm.com>
5556 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5557 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5559 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5561 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5562 information. Remove some obsolete information. Reorganize.
5564 * config/pa/fptr.c: Revert license to GPL 2.
5565 * config/pa/milli64.S: Likewise.
5567 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5569 PR target/38904
5570 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5571 LIBRARY name in, instead of hard-coding it.
5572 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5573 extra target make frag to tmake_files according to EH model.
5574 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5575 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5576 frags that define makefile variable EH_MODEL appropriately.
5577 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5578 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5579 to "-sjlj" according to type of EH configured.
5580 (LIBGCC_SONAME): Concatenate it to shared library base name.
5581 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5582 to "_sjlj" according to type of EH configured.
5583 (LIBGCC_SONAME): Concatenate it to shared library base name.
5584 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5585 (SHLIB_LINK): Add missing semicolon to if-else construct.
5586 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5587 string value of "pe_dll" command-line option.
5588 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5589 (SHLIB_SONAME): Use it when overriding t-cygming default.
5590 (SHLIB_IMPLIB): Override t-cygming default.
5591 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5592 string value of "pe_dll" command-line option.
5594 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5596 PR target/38952
5597 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5598 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5600 2009-01-31 Richard Guenther <rguenther@suse.de>
5602 PR tree-optimization/38937
5603 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5604 computing the transitive closure.
5606 2009-01-30 Richard Guenther <rguenther@suse.de>
5608 PR tree-optimization/39041
5609 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5610 Propagate variable indices only if the types match for this stmt.
5612 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5614 PR target/39013
5615 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5616 inline but never defined.
5618 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5620 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5621 (*insv_h_di_reg_extimm): New insn.
5622 (*insv_l<mode>_reg_extimm): New insn.
5624 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5626 * config/picochip/picochip.c (flag_conserve_stack): set
5627 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5628 fconserve-stack. Reduce call-overhead used by inliner.
5630 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5632 PR/38157
5633 * common.opt (flag_conserve_stack): Initialised to zero.
5635 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5637 PR/39002
5638 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5639 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5640 method.
5642 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5644 * ira-color.c (allocno_reload_assign): Update comments.
5645 * regmove.c (regmove_optimize): Likewise.
5647 * ra.h: Removed.
5649 2009-01-29 Robert Millan <rmh@aybabtu.com>
5651 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5652 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5653 `MD_UNWIND_SUPPORT'.
5654 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5656 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5658 PR tree-optimization/39007
5659 * tree-loop-distribution.c (generate_builtin): Use
5660 recompute_dominator to compute the immediate dominator of the
5661 basic block just after the loop.
5663 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5665 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5666 (ASM_OUTPUT_DWARF_PCREL): Define.
5668 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5670 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5671 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5672 global. Modify entries about regmove and IRA.
5674 * ra-conflict.c: Remove the file.
5676 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5678 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5679 (pass_regclass_init): Rename to pass_reginfo_init.
5681 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5683 * toplev.h (flag_ira): Remove.
5685 * caller-save.c (setup_save_areas): Remove flag_ira.
5687 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5689 * global.c: Remove the file.
5691 * opts.c (decode_options): Remove flag_ira.
5693 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5695 * regmove.c: Modify file description.
5696 (find_use_as_address, try_auto_increment): Define them only if
5697 AUTO_INC_DEC is defined.
5698 (replacement_quality, replace_in_call_usage, fixup_match_1,
5699 stable_and_no_regs_but_for_p): Remove.
5700 (reg_set_in_bb): Make it static.
5701 (regmove_optimize): Remove flag_ira and code which worked for
5702 !flag_ira.
5704 * local-alloc.c: Remove the file.
5706 * common.opt (fira): Remove.
5708 * ira.c: Include except.h.
5709 (eliminable_regset): Move from global.c.
5710 (mark_elimination): Ditto. Remove flag_ira.
5711 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5712 equiv_mem_modified, validate_equiv_mem_from_store,
5713 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5714 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5715 no_equiv, recorded_label_ref): Move from local-alloc.c.
5716 (update_equiv_regs): Ditto. Make it static.
5717 (print_insn_chain, print_insn_chains): Move it from global.c.
5718 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5719 (build_insn_chain): Ditto. Make it static.
5720 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5721 Rename to init_live_subregs.
5722 (gate_ira): Remove flag_ira.
5724 * regclass.c: Rename reginfo.c. Change file description.
5725 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5726 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5727 (init_reg_sets_1): Remove code for evaluation of
5728 reg_class_superclasses and losing_caller_save_reg_set.
5729 (init_regs): Remove init_reg_autoinc.
5730 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5731 ok_for_base_p_nonstrict): Remove.
5732 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5733 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5734 corresponding entries.
5735 (dump_regclass, record_operand_costs, scan_one_insn,
5736 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5737 record_address_regs, auto_inc_dec_reg_p): Remove.
5738 (gt-regclass.h): Rename to gt-reginfo.h.
5740 * rtl.h (dump_global_regs, retry_global_alloc,
5741 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5743 * Makefile.in (RA_H): Remove.
5744 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5745 Rename regclass.o to reginfo.o.
5746 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5747 gt-reginfo.h.
5748 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5749 (GTFILES): Rename regclass.c to reginfo.c.
5751 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5752 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5754 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5755 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5756 Remove flag_ira.
5757 (finish_spills): Ditto. Remove code for !flag_ira.
5759 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5761 PR middle-end/35854
5762 * doc/invoke.texi (rtl debug options): Complete rewrite.
5763 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5764 to auto_inc_dec".
5765 * mode-switching.c (pass_mode_switching): Rename pass from
5766 "mode-sw" to "mode_sw".
5767 * except.c (pass_convert_to_eh_ranges): Rename pass from
5768 "eh-ranges" to "eh_ranges".
5769 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5770 to "subreg1".
5773 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5774 Alexander Monakov <amonakov@ispras.ru>
5776 PR middle-end/38857
5777 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5778 register.
5779 (move_exprs_to_boundary): Change return type and pass through
5780 should_move from move_op. Relax assert. Update usage ...
5781 (schedule_expr_on_boundary): ... here. Use should_move instead of
5782 cant_move.
5783 (move_op_orig_expr_found): Indicate that insn was disconnected from
5784 stream.
5785 (code_motion_process_successors): Do not call after_merge_succs
5786 callback if original expression was not found when traversing any of
5787 the branches.
5788 (code_motion_path_driver): Change return type. Update prototype.
5789 (move_op): Update comment. Add a new parameter (should_move). Update
5790 prototype. Set *should_move based on indication provided by
5791 move_op_orig_expr_found.
5793 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5795 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5796 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5797 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5798 * config/rs6000/rs6000.c (rs6000_override_options): Default
5799 avoid-indexed-addresses on for Power6, off for everything else.
5800 (avoiding_indexed_address_p): New function.
5801 (rs6000_legitimize_address): Use it.
5802 (rs6000_legitimate_address): Likewise.
5803 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5805 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
5807 PR tree-optimization/38997
5808 * tree-loop-distribution.c (generate_memset_zero): Use
5809 POINTER_PLUS_EXPR for a pointer addition.
5811 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
5813 * config/s390/s390.md (bswap<mode>2): New pattern added.
5815 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5817 * config/s390/s390.md (*tls_load_31): Added type attribute.
5819 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5821 * config/s390/s390.md: Fix a few comments.
5823 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5825 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5826 (*tm<mode>_full): Fixed z10prop attribute.
5827 (*tst<mode>_extimm): Fixed z10prop attribute.
5828 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5829 (*tstqiCCT_cconly): Fixed z10prop attribute.
5830 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5831 (*movsi_larl): Fixed z10prop attribute.
5832 (*movsi_zarch): Fixed z10prop attribute.
5833 (*movsi_eas): Fixed z10prop attribute.
5834 (*movhi): Fixed z10prop attribute.
5835 (*movqi): Fixed z10prop attribute.
5836 (*movstrictqi): Fixed z10prop attribute.
5837 (*mov<mode>): Fixed z10prop attribute.
5838 (*movcc): Fixed z10prop attribute.
5839 (*sethighpartdi_64): Fixed z10prop attribute.
5840 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5841 (*negdi2_sign_cc): Fixed z10prop attribute.
5842 (*negdi2_sign): Fixed z10prop attribute.
5843 (*absdi2_sign_cc): Fixed z10prop attribute.
5844 (*absdi2_sign): Fixed z10prop attribute.
5845 (*negabsdi2_sign_cc): Fixed z10prop attribute.
5846 (*negabsdi2_sign): Fixed z10prop attribute.
5847 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5848 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5849 (doloop_si64): Fixed z10prop attribute.
5850 (doloop_si31): Fixed z10prop attribute.
5851 (doloop_long): Fixed z10prop attribute.
5852 (indirect_jump): Fixed z10prop attribute.
5853 (nop): Fixed z10prop attribute.
5854 (main_base_64): Fixed z10prop attribute.
5855 (reload_base_64): Fixed z10prop attribute.
5857 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5859 PR rtl-optimization/38740
5860 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5861 if !optimize.
5862 * config/mips/mips.c (mips_reorg): Likewise.
5864 2009-01-28 Richard Guenther <rguenther@suse.de>
5866 PR tree-optimization/38926
5867 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5868 with the correct value id to a value.
5869 (do_regular_insertion): Use the value number of edoubleprime
5870 for the value number of the expr.
5872 Revert
5873 2008-08-21 Richard Guenther <rguenther@suse.de>
5875 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5876 a PHI ask VN if it is already available.
5877 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5878 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5880 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5882 PR middle-end/38934
5883 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5884 set to varying whenever max has TREE_OVERFLOW set, similarly
5885 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5887 2009-01-28 Richard Guenther <rguenther@suse.de>
5889 PR middle-end/38908
5890 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5891 uninitialized aggregate uses in call arguments.
5893 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
5895 PR tree-optimization/38984
5896 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5897 the nothing_id variable if -fno-delete-null-pointer-checks.
5899 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
5901 PR target/38988
5902 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5903 (set_got_offset_rex64): Ditto.
5905 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
5907 PR target/38941
5908 * doc/extend.texi: Improve local variable with asm reg.
5910 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
5912 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5913 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5914 was not supplied then set warn_packed_bitfield_compat to the
5915 default value of 1.
5916 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5917 against 1.
5919 2009-01-27 Richard Guenther <rguenther@suse.de>
5921 PR tree-optimization/38503
5922 * cfgexpand.c (expand_gimple_basic_block): Ignore
5923 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5924 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5925 variables that cannot have TBAA applied.
5926 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5927 statements.
5929 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
5931 PR middle-end/38969
5932 * calls.c (initialize_argument_information): Do not wrap complex
5933 arguments in SAVE_EXPR.
5935 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
5937 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5938 (INSTALL_LIBGCC): Revert typo commit.
5940 2009-01-26 Richard Guenther <rguenther@suse.de>
5942 PR tree-optimization/38745
5943 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5944 from special handling.
5946 2009-01-26 Richard Guenther <rguenther@suse.de>
5948 PR tree-optimization/38745
5949 * tree-ssa.c (execute_update_addresses_taken): Do not include
5950 variables that cannot possibly be a register in not_reg_needs.
5951 Do not clear TREE_ADDRESSABLE on vars that may not become
5952 registers.
5953 * tree-ssa.c (update_alias_info_1): Include those in the set
5954 of addressable vars.
5956 2009-01-26 Richard Guenther <rguenther@suse.de>
5958 PR middle-end/38851
5959 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5960 * tree-ssa-dse.c: Include langhooks.h
5961 (execute_simple_dse): Remove stores with zero size.
5963 2009-01-24 Jakub Jelinek <jakub@redhat.com>
5965 PR c/38957
5966 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5967 as PLUS_EXPR.
5969 2009-01-24 Julian Brown <julian@codesourcery.com>
5971 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5972 config/arm/linux-atomic.c.
5973 * config/arm/linux-atomic.c: New.
5975 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5977 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5978 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5979 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5981 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
5983 PR c/38938
5984 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5985 properly.
5987 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
5989 PR tree-optimization/38953
5990 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5991 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5992 (gloog): Split the exit of the scop when the scop exit is a loop exit.
5993 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5994 changed the CFG.
5996 2009-01-24 Paul Brook <paul@codesourcery.com>
5998 * config/arm/neon.md (neon_type): Move to arm.md.
5999 (neon_mov<VSTRUCT>): Add neon_type attribute.
6000 * config/arm/arm.md (neon_type): Move to here.
6001 (conds): Add "unconditioal" and use as default for NEON insns.
6003 2009-01-24 Ben Elliston <bje@au.ibm.com>
6005 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6006 void *' warning from -Wc++-compat.
6007 * Makefile.in (dominance.o-warn): Remove.
6009 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
6011 PR tree-optimization/38932
6012 * fold-const.c (fold_unary_ignore_overflow): New.
6013 * tree.h (fold_unary_ignore_overflow): Declare.
6014 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6015 * tree-ssa-sccvn.c (visit_reference_op_load,
6016 simplify_unary_expression): Likewise.
6018 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
6020 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6021 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
6022 regardless of their type.
6023 * c-common.c (handle_packed_attribute): Don't ignore packed on
6024 bitfields.
6025 * c.opt (Wpacked-bitfield-compat): New warning option.
6026 * stor-layout.c (place_field): Warn if offset of a field changed.
6027 * doc/extend.texi (packed): Mention the ABI change.
6028 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6029 (Warning Options): Add it to the list.
6031 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
6033 * c-opts.c (c_common_post_options): Fix a typo in comments.
6035 2009-01-22 Steve Ellcey <sje@cup.hp.com>
6037 PR middle-end/38615
6038 * gimplify.c (gimplify_init_constructor): Fix promotion of const
6039 variables to static.
6040 * doc/invoke.texi (-fmerge-all-constants): Update description.
6042 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
6044 PR target/38931
6045 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6046 (*movdi_1_rex64): Use type "mmx" for alternative 5.
6048 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
6050 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6051 a word boundary.
6052 (LOCAL_ALIGNMENT): Similarly.
6054 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6055 Joseph Myers <joseph@codesourcery.com>
6057 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6058 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6059 * config/arm/arm-tune.md: Regenerate.
6060 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6061 -march=iwmmxt2.
6063 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6065 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6066 version number to five.
6068 2009-01-22 Dodji Seketeli <dodji@redhat.com>
6070 PR c++/38930
6071 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6072 * c-common.c (set_underlying_type): Likewise.
6073 (is_typedef_decl ): Likewise
6074 * tree.h: Likewise
6075 (set_underlying_type): Likewise.
6076 (is_typedef_type): Likewise.
6078 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
6080 PR middle-end/38587
6081 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6082 crossing setjmps.
6084 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6086 PR bootstrap/37660
6087 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
6088 (LIBGCC_SPEC): Don't define.
6089 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
6091 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
6093 PR rtl-optimization/38879
6094 * alias.c (base_alias_check): Unaligned access via AND address can
6095 alias all surrounding object types except those with sizes equal
6096 or wider than the size of unaligned access.
6098 2009-01-21 Dodji Seketeli <dodji@redhat.com>
6100 PR c++/26693
6101 * c-decl.c (clone_underlying_type): Move this ...
6102 * c-common.c (set_underlying_type): ... here.
6103 Also, make sure the function properly sets TYPE_STUB_DECL() on
6104 the newly created typedef variant type.
6105 (is_typedef_decl ): New entry point.
6106 * tree.h: Added a new member member_types_needing_access_check to
6107 struct tree_decl_non_common.
6108 (set_underlying_type): New entry point.
6109 (is_typedef_type): Likewise.
6111 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
6113 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6114 Check whether two instructions have memory references that
6115 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
6116 are helper functions for traversing.
6117 * alias.h (insn_alias_sets_confilict_p): New prototypes.
6118 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6119 not to draw dependency edge for instructions with non-conflicting
6120 alias sets.
6122 2009-01-20 Joseph Myers <joseph@codesourcery.com>
6124 PR other/38758
6125 * longlong.h: Update copyright years. Use soft-fp license notice.
6126 Sync __clz_tab declaration with glibc.
6128 2009-01-20 Steve Ellcey <sje@cup.hp.com>
6130 PR target/30687
6131 * doc/extend.texi (syscall_linkage): New.
6132 (version_id): Modify.
6134 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
6135 Richard Guenther <rguenther@suse.de>
6137 PR tree-optimization/38747
6138 PR tree-optimization/38748
6139 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6140 conversion if the base address is an indirect reference and the
6141 aliasing sets could cause issues.
6143 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6145 * common.opt (fgraphite, fgraphite-identity): Add comment for
6146 explaining why these options are not documented.
6148 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6150 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6151 gimple_call_lhs is NULL.
6153 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
6155 PR target/38868
6156 * emit-rtl.c (adjust_address_1): Make sure memref is never
6157 overwritten.
6159 2009-01-20 Ben Elliston <bje@au.ibm.com>
6161 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6162 const qualifier from arg parameter. Remove unnecessary cast to char *.
6163 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6164 const qualifier from arg 2.
6166 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6168 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6170 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
6172 PR c/38869
6173 * rtl.h (reinit_regs): New prototype.
6174 * regclass.c: Include ira.h.
6175 (reinit_regs): New.
6176 * Makefile.in (regclass.o): Add ira.h.
6177 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6179 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6181 PR target/38736
6182 * c-common.c (handle_aligned_attribute): Use
6183 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6184 default alignment value.
6186 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6188 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6189 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6191 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6192 __BIGGEST_ALIGNMENT__.
6194 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6196 2009-01-18 Richard Guenther <rguenther@suse.de>
6198 PR tree-optimization/38819
6199 * tree-flow.h (operation_could_trap_helper_p): Declare.
6200 * tree-eh.c (operation_could_trap_helper_p): Export.
6201 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6202 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6203 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6204 are about to insert a possibly trapping instruction and fail
6205 in this case.
6207 2009-01-18 Andreas Schwab <schwab@suse.de>
6209 * doc/install.texi (Configuration): Remove obsolete paragraph
6210 about use of --with-gnu-ld with --with-gnu-as.
6212 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6214 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6215 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6216 Follow spelling conventions.
6218 2009-01-18 Ben Elliston <bje@au.ibm.com>
6220 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6221 C++ warning about implicit conversion from void * to struct
6222 bitmap_head_def *.
6223 (bitmap_obstack_free): Likewise for bitmap_element *.
6224 * Makefile.in (bitmap.o-warn): Remove.
6226 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6228 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6230 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6231 Tobias Grosser <tobi.grosser@amd.com>
6233 * graphite.c (graphite_trans_scop_block): Do not block single
6234 nested loops.
6236 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6238 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6239 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6240 test with assertion.
6242 2009-01-16 Richard Guenther <rguenther@suse.de>
6244 PR tree-optimization/38835
6245 PR middle-end/36227
6246 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6247 and INT + PTR -> (INT)(PTR p+ INT) folding.
6248 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6250 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6252 PR target/38554
6253 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6254 the subreg from a lowpart subreg if it is also casting the value.
6256 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6257 Tobias Grosser <tobi.grosser@amd.com>
6259 * graphite.c (compare_prefix_loops): New.
6260 (build_scop_canonical_schedules): Rewritten.
6261 (graphite_transform_loops): Move build_scop_canonical_schedules
6262 after build_scop_iteration_domain.
6264 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6265 Tobias Grosser <tobi.grosser@amd.com>
6267 * graphite.c (add_conditions_to_domain): Add the loops to
6268 the dimension of the iteration domain. Do copy the domain
6269 only when it exists.
6270 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6271 (add_conditions_to_constraints): New.
6272 (can_generate_code_stmt, can_generate_code): Removed.
6273 (gloog): Do not call can_generate_code.
6274 (graphite_transform_loops): Call add_conditions_to_constraints
6275 after building the iteration domain.
6277 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6279 PR tree-optimization/38789
6280 * tree-ssa-threadedge.c
6281 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6282 __builtin_constant_p.
6284 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6286 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6287 examined before deleting them.
6289 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6291 * function.c (aggregate_value_p): Correctly extract the function
6292 type from CALL_EXPR_FN lookup.
6294 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6296 * config/picochip/picochip.c (picochip_override_options): Revert
6297 CFI asm flag disable commited previously.
6299 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6300 Tobias Grosser <tobi.grosser@amd.com>
6301 Jan Sjodin <jan.sjodin@amd.com>
6303 * graphite.c (scan_tree_for_params): On substractions negate
6304 all the coefficients of the term.
6305 (clast_to_gcc_expression_red): New. Handle reduction expressions
6306 of more than two operands.
6307 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6308 (get_vdef_before_scop): Handle also the case of default definitions.
6310 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6312 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6313 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6314 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6316 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6317 Joey Ye <joey.ye@intel.com>
6319 PR middle-end/37843
6320 * cfgexpand.c (expand_stack_alignment): Don't update stack
6321 boundary nor check incoming stack boundary here.
6322 (gimple_expand_cfg): Update stack boundary and check incoming
6323 stack boundary here.
6325 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6327 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6329 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6331 PR rtl-optimization/38245
6332 * calls.c (expand_call): Add stack arguments to
6333 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6334 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6335 in regs and partially in memory or BLKmode arguments.
6336 (emit_library_call_value_1): Add stack arguments to
6337 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6338 ACCUMULATE_OUTGOING_ARGS).
6339 * dce.c: Include tm_p.h.
6340 (find_call_stack_args): New function.
6341 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6342 argument.
6343 (mark_insn): Call find_call_stack_args for CALL_Ps.
6344 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6345 forwards. Allocate and free arg_stores bitmap if needed, pass it
6346 down to deletable_insn_p, don't mark stores set in arg_stores
6347 bitmap, clear the bitmap at the beginning of each bb.
6348 * Makefile.in (dce.o): Depend on $(TM_P_H).
6350 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6352 PR target/22599
6353 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6354 to make sure the insn is a conditional test (bug 22599). Reformat a
6355 few long lines.
6357 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6359 PR middle-end/38431
6360 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6361 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6362 (gloog): Do not call cleanup_tree_cfg.
6363 (graphite_transform_loops): Call cleanup_tree_cfg after all
6364 scops have been code generated.
6366 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6367 * doc/gty.texi (Invoking the garbage collector): Added new node
6368 and section documenting ggc_collect.
6370 2009-01-14 Richard Guenther <rguenther@suse.de>
6372 PR tree-optimization/38826
6373 PR middle-end/38477
6374 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6375 initialization notes only if we actually emitted a warning.
6376 (intra_create_variable_infos): Add constraints for a result decl
6377 that is passed by hidden reference.
6378 (build_pred_graph): Mark all related variables non-direct on
6379 address-taking.
6381 2009-01-14 Nick Clifton <nickc@redhat.com>
6383 * ira-conflicts.c: Include addresses.h for the definition of
6384 base_reg_class.
6385 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6386 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6388 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6390 PR target/38811
6391 * Makefile.in (ira-lives.o): Add except.h.
6393 * ira-lives.c: Include except.h.
6394 (process_bb_node_lives): Process can_throw_internal.
6396 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6398 PR rtl-optimization/38774
6399 * combine.c (simplify_set): When undoing cc_use change, don't do
6400 PUT_CODE on the newly created comparison, but instead put back the
6401 old comparison.
6403 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6405 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6406 values. Remove duplicate arm8 entry.
6408 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6410 PR tree-optimization/38786
6411 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6412 the SSA_NAME case of expand_scalar_variables_expr.
6413 Set the type of an expression to the type of its assign statement.
6414 (expand_scalar_variables_expr): Also gather the scalar computation
6415 used to index the memory access. Do not pass loop_p.
6416 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6417 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6418 the gimple_stmt_iterator where it inserts new code.
6419 Do not pass loop_p.
6420 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6421 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6423 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6425 * graphite.h (debug_value): Removed.
6426 * graphite.c (debug_value): Removed.
6428 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6430 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6431 ldrd/strd with two 32-bit instructions.
6433 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6435 * config/arm/arm.c (struct processors): Pass for speed down into
6436 cost helper functions.
6437 (const_ok_for_op): Handle COMPARE and inequality nodes.
6438 (arm_rtx_costs_1): Rewrite.
6439 (arm_size_rtx_costs): Update prototype.
6440 (arm_rtx_costs): Pass speed down to helper functions.
6441 (arm_slowmul_rtx_costs): Rework cost calculations.
6442 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6443 (arm_9e_rtx_costs): Likewise.
6445 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6447 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6448 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6449 (alpha_legitimize_address): Do not split local symbols wider than
6450 UNITS_PER_WORD into HIGH/LO_SUM parts.
6452 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6454 PR bootstrap/38580
6455 * gcc.c (process_command): Replace call to execvp with calls
6456 to pex_one and exit.
6458 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6460 PR target/29141
6461 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6462 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6463 variant for devices with 3-byte PC.
6464 (__tablejump_elpm__): New.
6466 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6468 PR c/32041
6469 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6470 offsetof member-designator, handle it as `[0].'.
6472 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6474 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6475 function when not using named sections on targets with named sections
6476 if branch distance is less than 262132.
6478 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6480 * combine.c (combine_instructions): Recompute
6481 optimize_this_for_speed_p for each BB in the main combine loop.
6483 2009-01-12 Tomas Bily <tbily@suse.cz>
6485 PR middlend/38385
6486 * tree-loop-distribution.c (prop_phis): New function.
6487 (generate_builtin): Call prop_phis.
6488 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6490 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6492 PR tree-optimization/38807
6493 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6494 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6496 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6498 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6499 subreg of op0 to the original op0.
6501 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6503 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6505 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6507 PR debug/7055
6508 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6509 starting with digits.
6511 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6513 PR target/38695
6514 * config/arm/arm.c (arm_is_long_call_p): Don't call
6515 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6517 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6519 * regrename.c (regrename_optimize): Fix dumping.
6520 (find_oldest_value_reg): Preserve REG_POINTER.
6521 (copy_hardreg_forward_1): Likewise.
6523 2009-01-09 Diego Novillo <dnovillo@google.com>
6525 * gimple.h (struct gimple_statement_base) <uid>: Document
6526 the restrictions on its use.
6527 (gimple_uid): Tidy.
6528 (gimple_set_uid): Tidy.
6530 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6532 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6533 zero guard even if align_bytes != 0 and count is smaller than
6534 size_needed.
6536 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6538 PR rtl-optimization/38495
6539 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6540 (add_range_and_copies_from_move_list): Print all added ranges.
6541 Add ranges to memory optimized destination.
6543 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6545 PR target/38686
6546 PR target/38708
6547 * config/i386/i386.c (override_options): Reject
6548 -mstringop-strategy=rep_8byte with -m32.
6549 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6550 to 1. Do count comparison against epilogue_size_needed at compile
6551 time even when count_exp was constant forced into register. For
6552 size_needed don't jump to epilogue, instead just avoid aligning
6553 and invoke the body algorithm. If need_zero_guard, add zero guard
6554 even if count is non-zero, but smaller than size_needed + number of
6555 bytes that could be stored for alignment.
6556 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6557 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6558 but smaller than size_needed + number of bytes that could be stored
6559 for alignment. Compare size_needed with epilogue_size_needed instead
6560 of desired_align - align, don't adjust size_needed, pass
6561 epilogue_size_needed to the epilogue expanders.
6563 PR c/35742
6564 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6566 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6568 * pa.c (last_address): Change to unsigned.
6569 (update_total_code_bytes): Change argument to unsigned. Don't
6570 check if insn addresses are set.
6571 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6572 addresses are not set.
6573 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6575 2009-01-09 Nick Clifton <nickc@redhat.com>
6577 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6578 DECL_DECLARED_INLINE_P.
6580 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6582 PR middle-end/38347
6583 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6584 GET_MODE (op0) in operand_subword_force calls.
6586 PR middle-end/38771
6587 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6588 fold_convert arg0 operands to TREE_TYPE (op0) first.
6590 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6592 * params.def (ira-max-conflict-table-size): Decrease default value
6593 to 1000.
6595 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6597 PR tree-optimization/37031
6598 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6599 on parameter_set.
6600 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6601 allocate it using gc instead of heap, use VEC_quick_push instead of
6602 VEC_safe_push.
6603 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6604 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6605 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6606 allocated vector from heap allocated.
6607 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6608 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6609 vector only after perfect_loop_nest_depth call.
6611 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6612 Jan Sjodin <jan.sjodin@amd.com>
6614 PR tree-optimization/38559
6615 * graphite.c (debug_value, copy_constraint,
6616 swap_constraint_variables, scale_constraint_variable, ): New.
6617 (get_lower_bound, get_upper_bound): Removed.
6618 (graphite_trans_bb_strip_mine): Clean up this code that works
6619 only for constant number of iterations. Fully copy upper and
6620 lower bound constraints, not only the constant part of them.
6621 * graphite.h (debug_value): Declared.
6623 2009-01-08 Ira Rosen <irar@il.ibm.com>
6625 PR tree-optimization/37194
6626 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6627 Don't add the cost of cost model guard in prologue to scalar
6628 outside cost in case of known number of iterations.
6630 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6631 Alan Modra <amodra@bigpond.net.au>
6633 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6634 non-word-aligned REG+CONST addressing.
6636 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6638 PR target/38706
6639 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6640 free_after_compilation when outputting a thunk.
6641 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6642 Do not call free_after_compilation here.
6644 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6646 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6647 (ix86_valid_target_attribute_inner_p): Ditto.
6649 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6651 PR tree-optimization/38492
6652 PR tree-optimization/38498
6653 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6654 * tree-chrec.h (scev_is_linear_expression): Declared.
6655 * graphite.c (graphite_cannot_represent_loop_niter): New.
6656 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6657 (graphite_loop_normal_form): Use gcc_assert.
6658 (scan_tree_for_params): Use CASE_CONVERT.
6659 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6660 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6661 Use gcc_assert. Discard scops that contain unhandled cases.
6662 (build_scop_conditions): Return a boolean status for unhandled cases.
6663 (strip_mine_profitable_p): Print the loop number, not its depth.
6664 (is_interchange_valid): Pass the depth of the loop nest, don't
6665 recompute it wrongly.
6666 (graphite_trans_bb_block): Same.
6667 (graphite_trans_bb_block): Print tentative of loop blocking.
6668 (graphite_trans_scop_block): Do not print that the loop has been
6669 blocked.
6670 (graphite_transform_loops): Do not handle scops that contain condition
6671 scalar phi nodes.
6673 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6675 AVX Programming Reference (December, 2008)
6676 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6677 (_mm256_stream_pd): Likewise.
6678 (_mm256_stream_ps): Likewise.
6680 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6681 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6682 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6683 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6684 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6685 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6686 (ix86_expand_special_args_builtin): Likewise.
6688 * config/i386/sse.md (AVXMODEDI): New.
6689 (avx_movnt<mode>): Likewise.
6690 (avx_movnt<mode>): Likewise.
6691 (<sse>_movnt<mode>): Remove AVX support.
6692 (sse2_movntv2di): Likewise.
6694 2009-01-07 Richard Guenther <rguenther@suse.de>
6696 PR middle-end/38751
6697 * fold-const.c (extract_muldiv): Remove obsolete comment.
6698 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6699 to PLUS_EXPR canonicalization for the canonicalization.
6701 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6703 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6704 hosted cross-compilers generating less efficient code.
6706 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6708 * function.h (rtl_data): Add a dbr_scheduled_p field.
6709 * reorg.c (dbr_schedule): Set it.
6710 (gate_handle_delay_slots): Check it.
6711 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6712 (mips_reorg): Check flag_delayed_branch instead of
6713 mips_base_delayed_branch.
6714 (mips_override_options): Don't set mips_base_delayed_branch
6715 or flag_delayed_branch.
6717 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6719 PR rtl-optimization/38426.
6720 * ira.c (ira): Set current_function_is_leaf earlier.
6722 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6724 PR rtl-optimization/38722
6725 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6726 too early, only set a flag and modify after last possible
6727 undo_all point.
6729 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6731 PR c/34252
6732 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6733 * real.c (decimal_single_format): Correct values of emin and emax.
6734 (decimal_double_format): Ditto.
6735 (decimal_quad_format): Ditto.
6736 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6737 computation of DECnn_MIN and DECnn_MAX for corrected values of
6738 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6739 __DECnn_MIN__, and adjust its computation for the corrected value
6740 of emin.
6742 2009-01-06 Jan Hubicka <jh@suse.cz>
6744 PR target/38744
6745 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6747 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6749 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6750 Add Robert Clark to the list of testers.
6752 2009-01-06 Jan Hubicka <jh@suse.cz>
6753 Kai Tietz <kai.tietz@onevision.com>
6755 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6756 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6758 2009-01-06 Jan Hubicka <jh@suse.cz>
6759 Kai Tietz <kai.tietz@onevision.com>
6761 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6762 for w64 ABI.
6763 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6764 (ix86_nsaved_regs): Count only general purpose regs.
6765 (ix86_nsaved_sseregs): New.
6766 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6767 to 16 for w64; compute padding and size of sse reg save area.
6768 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6769 general purpose regs.
6770 (ix86_emit_save_sse_regs_using_mov): New.
6771 (ix86_expand_prologue): Save SSE regs if needed.
6772 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6773 (ix86_emit_restore_sse_regs_using_mov): New.
6774 (ix86_expand_epilogue): Save SSE regs if needed.
6776 2009-01-06 Jan Hubicka <jh@suse.cz>
6777 Kai Tietz <kai.tietz@onevision.com>
6779 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6780 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6781 functions when accumulate outgoing args is off.
6783 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6785 PR bootstrap/38742
6786 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6787 before using pseudos_have_intersected_live_ranges_p.
6789 * ira-int.h (ira_assert): Always define.
6791 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6793 AVX Programming Reference (December, 2008)
6794 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6795 (_mm256_permute2_pd): Likewise.
6796 (_mm_permute2_ps): Likewise.
6797 (_mm256_permute2_ps): Likewise.
6798 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6799 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6801 * config/i386/i386.c (ix86_builtins): Remove
6802 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6803 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6804 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6805 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6806 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6807 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6808 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6809 __builtin_ia32_vpermil2ps256.
6810 (ix86_init_mmx_sse_builtins): Updated.
6811 (ix86_expand_args_builtin): Likewise.
6813 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6815 * pa.c (output_call): Relocate non-jump insns in the delay slot of
6816 long absolute calls when generating PA 2.0 code.
6818 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
6820 PR rtl-optimization/38583
6821 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6823 * params.def (ira-max-conflict-table-size): New.
6825 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6827 * ira.h (ira_conflicts_p): New external definition.
6829 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6830 table. Report this. Return result of building.
6831 (ira_build_conflicts): Use ira_conflicts_p. Check result of
6832 building conflict table.
6834 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6835 (ira_color): Use ira_conflicts_p.
6837 * global.c: Include ira.h.
6838 (pseudo_for_reload_consideration_p, build_insn_chain): Use
6839 ira_conflicts_p.
6841 * Makefile.in (global.o): Add ira.h.
6843 * ira-build.c (mark_all_loops_for_removal,
6844 propagate_some_info_from_allocno): New.
6845 (remove_unnecessary_allocnos): Call
6846 propagate_some_info_from_allocno.
6847 (remove_low_level_allocnos): New.
6848 (remove_unnecessary_regions): Add parameter. Call
6849 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
6850 parameter to remove_unnecessary_regions.
6851 (ira_build): Remove all regions but root if the conflict table was
6852 not built. Update conflict hard regs for allocnos crossing calls.
6854 * ira.c (ira_conflicts_p): New global.
6855 (ira): Define and use ira_conflicts_p.
6857 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6858 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6859 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6861 2009-01-06 Ben Elliston <bje@au.ibm.com>
6863 * gengtype-lex.l (YY_NO_INPUT): Define.
6865 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
6867 PR c/34911
6868 * c-common.c (handle_vector_size_attribute): Also reject
6869 BOOLEAN_TYPE types.
6871 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
6873 PR tree-optimization/38492
6874 * graphite.c (rename_map_elt, debug_rename_elt,
6875 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6876 rename_map_elt_info, eq_rename_map_elts,
6877 get_new_name_from_old_name, bb_in_sese_p): Moved around.
6878 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6879 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6880 (sese_build_livein_liveouts): New.
6881 (new_sese, free_sese): New.
6882 (new_scop): Call new_sese.
6883 (free_scop): Call free_sese.
6884 (rename_variables_from_edge, rename_phis_end_scop): Removed.
6885 (register_old_new_names): Renamed register_old_and_new_names.
6886 (register_scop_liveout_renames, add_loop_exit_phis,
6887 insert_loop_close_phis, struct igp,
6888 default_liveout_before_guard, add_guard_exit_phis,
6889 insert_guard_phis, copy_renames): New.
6890 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6891 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6892 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6893 (scop_adjust_phis_for_liveouts): New.
6894 (gloog): Call scop_adjust_phis_for_liveouts.
6896 * graphite.h (struct sese): Documented. Added fields liveout,
6897 num_ver and livein.
6898 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6899 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6900 (struct scop): Added field liveout_renames.
6901 (SCOP_LIVEOUT_RENAMES): New.
6903 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6905 PR tree-optimization/38510
6906 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6907 (translate_clast): Call recompute_all_dominators before
6908 graphite_verify.
6909 (gloog): Call recompute_all_dominators before graphite_verify.
6911 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6912 Jan Sjodin <jan.sjodin@amd.com>
6914 PR tree-optimization/38500
6915 * graphite.c (create_sese_edges): Call fix_loop_structure after
6916 splitting blocks.
6918 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
6920 * config.gcc: Add m32r*-*-rtems*.
6921 * config/m32r/rtems.h: New file.
6923 2009-01-05 Ben Elliston <bje@au.ibm.com>
6925 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6926 (.po.pox): Likewise.
6927 (po/gcc.pot): Likewise.
6929 2009-01-04 David S. Miller <davem@davemloft.net>
6931 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6932 (STARTING_FRAME_OFFSET): Always set to zero.
6934 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6936 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6937 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6938 fixed-point types, and vectors of the same.
6940 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6942 * config/mips/sync.md (*mb_barrier): Rename to...
6943 (*memory_barrier): ...this.
6945 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
6947 * doc/extend.texi (Function Attributes): Move @cindex after @item
6948 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6949 and put in alphabetical order. Fix 'target' name and put in order.
6950 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6951 typos.
6953 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
6955 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6956 (memory_barrier): Expand as unspec instead of unspec_volatile.
6957 Remove mem:BLK from insn operands. Use Pmode scratch register.
6958 (*memory_barrier): Define as unspec instead of unspec_volatile.
6959 Use (match_dup 0) as input operand.
6961 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6962 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6963 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
6964 scratch register. Remove operand 1.
6965 (*stbar): Define as unspec instead of unspec_volatile.
6966 Use (match_dup 0) as input operand, remove (const_int 8).
6967 (*membar): Define as unspec instead of unspec_volatile.
6968 Use (match_dup 0) as input operand, remove input operand 2.
6970 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6971 (memory_barrier): Expand as unspec instead of unspec_volatile.
6972 Remove mem:BLK from insn operands. Use Pmode scratch register.
6973 (*memory_barrier): Define as unspec instead of unspec_volatile.
6974 Use (match_dup 0) as input operand.
6976 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6977 Remove mem:BLK from insn operands. Use Pmode scratch register.
6978 Set volatile flag on operand 0.
6979 (*memory_barrier): New insn pattern.
6981 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6982 insn operands.
6983 (*memory_barrier): Use (match_dup 0) as input operand.
6985 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6986 Remove mem:BLK from insn operands. Use Pmode scratch register.
6987 Set volatile flag on operand 0.
6988 (*mb_internal): New insn pattern.
6990 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6992 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6994 PR middle-end/38586
6995 * function.c (struct temp_slot): Move to the section of the file
6996 that deals with temp slots. Remove field 'address'.
6997 (temp_slot_address_table): New hash table of address -> temp slot.
6998 (struct temp_slot_address_entry): New struct, items for the table.
6999 (temp_slot_address_compute_hash, temp_slot_address_hash,
7000 temp_slot_address_eq, insert_temp_slot_address): Support functions
7001 for the new table.
7002 (find_temp_slot_from_address): Rewrite to use the new hash table.
7003 (remove_unused_temp_slot_addresses): Remove addresses of temp
7004 slots that have been made available.
7005 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7006 worker function for remove_unused_temp_slot_addresses.
7007 (assign_stack_temp_for_type): Don't clear the temp slot address list.
7008 Add the temp slot address to the address -> temp slot map.
7009 (update_temp_slot_address): Update via insert_temp_slot_address.
7010 (free_temp_slots): Call remove_unused_temp_slot_addresses.
7011 (pop_temp_slots): Likewise.
7012 (init_temp_slots): Allocate the address -> temp slot map, or empty
7013 the map if it is already allocated.
7014 (prepare_function_start): Initialize temp slot processing.
7016 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7018 PR middle-end/38584
7019 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7020 Calculate the size of all stack vars assuming no packing of stack
7021 vars will happen, replacing a quadratic algorithm with a linear one.
7023 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7025 PR target/38707
7026 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7027 can't be used.
7029 2009-01-03 Diego Novillo <dnovillo@google.com>
7031 * doc/contrib.texi: Update contributions.
7033 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7035 PR c++/38705
7036 * builtins.c (fold_builtin_memory_op): Give up if either operand
7037 is volatile. Set srctype or desttype to non-qualified version
7038 of the other type.
7040 PR c/38700
7041 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7042 and FUNCTION_DECLs.
7044 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
7046 PR rtl-optimization/35805
7047 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7048 problem if fast dce is able to remove any instructions.
7049 * dce.c (dce_process_block): Fix dump message.
7051 2009-01-02 Mark Mitchell <mark@codesourcery.com>
7053 PR 33649
7054 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7056 2009-01-02 Jakub Jelinek <jakub@redhat.com>
7058 PR middle-end/38690
7059 * tree-flow.h (op_code_prio, op_prio): New prototypes.
7060 * tree-pretty-print.c (op_code_prio): New function.
7061 (op_prio): No longer static. Use op_code_prio.
7062 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7063 Use op_prio and op_code_prio to determine if () should be
7064 printed around operand(s) or not.
7066 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7067 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7068 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7069 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7070 pp_character instead of pp_string for single letter printing.
7072 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7074 * doc/extend.texi: Fix '#pragma GCC option' typo.
7076 2009-01-02 Richard Guenther <rguenther@suse.de>
7078 * doc/install.texi (--enable-checking): Mention different
7079 default for stage1.
7080 (--enable-stage1-checking): Document.
7082 2009-01-01 Andrew Pinski <pinskia@gmail.com>
7084 PR middle-end/30142
7085 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
7086 case to be an error.
7088 2009-01-02 Ben Elliston <bje@au.ibm.com>
7090 * config/fp-bit.h (pack_d): Constify argument.
7091 * config/fp-bit.c (makenan): Constify return type. Remove casts.
7092 (isnan): Constify argument.
7093 (isinf): Likewise.
7094 (iszero): Likewise.
7095 (pack_d): Likewise.
7096 (_fpadd_parts): Constify return type.
7097 (_fpmul_parts): Likewise.
7098 (_fpdiv_parts): Likewise.
7100 2009-01-01 Jakub Jelinek <jakub@redhat.com>
7102 PR c/36489
7103 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
7104 warn about overwriting initializer with side-effects or
7105 -Woverride-init if !IMPLICIT.
7106 (output_init_element): Likewise. Pass IMPLICIT down to
7107 add_pending_init.
7108 (process_init_element): Add IMPLICIT argument. Pass it down
7109 to output_init_element.
7110 (push_init_element, pop_init_level, set_designator): Adjust
7111 process_init_element callers.
7112 (set_nonincremental_init, set_nonincremental_init_from_string):
7113 Adjust add_pending_init callers.
7114 (output_pending_init_elements): Adjust output_init_element callers.
7115 * c-tree.h (process_init_element): Adjust prototype.
7116 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7117 process_init_element callers.