1 2012-05-25 Michael Meissner <meissner@linux.vnet.ibm.com>
3 * config/rs6000/t-linux64: Delete the 32-bit multilib that uses
4 software floating point emulation. No longer build the multilibs
7 2012-05-25 Aldy Hernandez <aldyh@redhat.com>
10 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
12 (ipa_tm_create_version): Same.
14 2012-05-25 Uros Bizjak <ubizjak@gmail.com>
17 * config/i386/i386.c (ix86_print_operand) <case 'O'>: Print '.' here.
18 <case 'C', case 'c', case 'F', case 'f'>: Print '.' only for C and c.
20 2012-05-25 Alexander Ivchenko <alexander.ivchenko@intel.com>
23 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
24 (ix86_expand_vec_perm): Use int mode instead of float.
25 (expand_vec_perm_pshufb): Remove handling of useseless type
28 2012-05-25 Eric Botcazou <ebotcazou@adacore.com>
31 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
32 gnu_ld variables to yes.
33 * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
34 (HAVE_GNU_AS): Likewise.
35 * config.in: Regenerate.
36 * configure: Likewise.
38 2012-05-25 Tristan Gingold <gingold@adacore.com>
40 * config/i386/i386.c (struct ix86_frame): Remove unused frame field.
41 (ix86_compute_frame_layout): Fix type of stack_alignment_needed
42 and preferred_alignment.
44 2012-05-25 Tristan Gingold <gingold@adacore.com>
46 * common/config/ia64/ia64-common.c (ia64_except_unwind_info): Fix typo.
48 2012-05-25 Thomas Schwinge <thomas@codesourcery.com>
50 * fold-const.c (optimize_bit_field_compare): Abort early in the strict
51 volatile bitfields case.
53 2012-05-24 Pat Haugen <pthaugen@us.ibm.com>
55 * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
56 rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
57 (adjacent_mem_locations): Move some code to and call...
58 (get_memref_parts): ...new function.
59 (mem_locations_overlap): New function.
60 (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
61 (is_mem_ref): Rename to...
62 (find_mem_ref): ...this. Return MEM rtx.
63 (get_store_dest): Remove function.
64 (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
65 new parameter and adjust calls.
66 (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
67 mem refs overlap for true_store_to_load_dep_costly.
68 (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
69 passed to adjacent_mem_locations.
70 (is_costly_group): Walk resolved dependency list.
71 (force_new_group): Emit group ending nop for Power6/Power7.
72 * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
73 (group_ending_nop): New define_insn.
75 2012-05-24 Dodji Seketeli <dodji@redhat.com>
77 Make unwound macro expansion trace less redundant
78 * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Don't print
79 context of macro definition in the trace, when it's redundant.
82 2012-05-24 Richard Guenther <rguenther@suse.de>
85 * tree-profile.c (tree_profiling): Cleanup the CFG if
86 execute_fixup_cfg requests it.
88 2012-05-24 Richard Guenther <rguenther@suse.de>
90 * tree-flow.h (create_var_ann): Remove.
91 * tree-dfa.c (create_var_ann): Remove and inline into its
93 (add_referenced_var_1): ... here.
94 * varpool.c (add_new_static_var): Do not call add_referenced_var
96 * gimple-fold.c (canonicalize_constructor_val): Likewise.
97 * tree-switch-conversion.c (build_one_array): Likewise.
98 * tree-profile.c (gimple_gen_ic_profiler): Likewise.
99 * tree-flow-inline.h (gimple_referenced_vars): Guard against
101 * tree-inline.c (remap_gimple_op_r): Likewise. Check
102 gimple_referenced_vars instead of gimple_in_ssa_p.
103 (copy_tree_body_r): Likewise.
104 (setup_one_parameter): Likewise.
105 (declare_return_variable): Likewise.
106 (tree_function_versioning): Likewise.
108 2012-05-24 Jakub Jelinek <jakub@redhat.com>
110 PR tree-optimization/53465
111 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
112 vr0 into *vr, then vrp_meet that.
113 (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
114 have any equivalences.
115 (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
118 2012-05-24 Jim MacArthur <jim.macarthur@arm.com>
120 * recog.c (reg_fits_class_p): Check both regno and regno + offset are
122 * regs.h (in_hard_reg_set_p): Assert that regno is a hard register and
123 check end_regno - 1 is a hard register.
125 2012-05-24 Richard Guenther <rguenther@suse.de>
127 * varpool.c (add_new_static_var): Remove call to create_var_ann.
128 * tree-ssa-operands.c (create_vop_var): Likewise.
130 2012-05-24 Richard Guenther <rguenther@suse.de>
133 * tree-ssa-live.c (remove_unused_scope_block_p): Properly
135 (remove_unused_locals): Pass global_unused_vars to
136 remove_unused_scope_block_p. Restore code walking all
137 referenced vars and pruning them.
139 2012-05-23 Jan Hubicka <jh@suse.cz>
141 * tree.h (alias_diag_flags): Remove.
142 (alias_pair): Remove emitted_diags.
143 (finish_aliases_1, finish_aliases_2, remove_unreachable_alias_pairs,
144 symbol_alias_set_t, symbol_alias_set_destroy,
145 symbol_alias_set_contains, propagate_aliases_backward): Remove.
146 * toplev.c (compile_file): Do not call finish_aliases_2
147 * cgraphunit.c (cgraph_process_new_functions): Do not call
149 (handle_alias_pairs): Output diagnostics about aliases to externals.
150 (assemble_thunks_and_aliases): Use do_assemble_alias.
151 (output_weakrefs): Likewise.
152 (finalize_compilation_unit): Do not call finish_aliases_1.
153 * ipa.c (symtab_remove_unreachable_nodes): De not call
154 remove_unreachable_alias_pairs.
155 * varasm.c (do_assemble_alias): Export.
156 (symbol_alias_set_create, symbol_alias_set_destroy,
157 symbol_alias_set_contains, symbol_alias_set_insert,
158 propagate_aliases_forward, propagate_aliases_backward,
159 propagate_aliases_backward, trivially_visible_alias,
160 trivially_defined_alias, remove_unreachable_alias_pairs,
161 finish_aliases_1, finish_aliases_2, assemble_alias): Remove.
162 * output.h (do_assemble_alias): Declare.
163 * varpool.c (varpool_remove_unreferenced_decls): Do not call
166 2012-05-23 Martin Jambor <mjambor@suse.cz>
168 * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
170 2012-05-23 Eric Botcazou <ebotcazou@adacore.com>
172 * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
174 (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
175 (iterative_hash_gimple_type): Adjust comment.
176 (iterative_hash_canonical_type): Likewise. Hash the bounds of the
177 domain for an array type instead of the domain type itself.
179 2012-05-23 Richard Guenther <rguenther@suse.de>
181 PR tree-optimization/53438
182 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
184 2012-05-23 Georg-Johann Lay <avr@gjlay.de>
187 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
188 * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
191 2012-05-23 Richard Guenther <rguenther@suse.de>
193 * tree-dfa.c (add_referenced_var_1): Do not add global vars.
194 * tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
195 via the global_unused_vars bitmap.
196 (remove_unused_locals): Handle global vars in local-decls via
197 a global_unused_vars bitmap instead of the used flag in the
198 var annotation. Simplify global variable handling and removal.
200 2012-05-22 Jan Hubicka <jh@suse.cz>
203 * tree-ssa-structalias.c (create_variable_info_for): Skip constructors
204 from other partitions.
206 2012-05-22 Jan Hubicka <jh@suse.cz>
209 * symtab.c (symtab_register_node): Fix ordering issue.
211 2012-05-22 Steven Drake <sbd@NetBSD.org>
213 * gcc.c (do_spec_1): Add %M spec token to output multilib_os_dir.
215 2012-05-22 David Edelsohn <dje.gcc@gmail.com>
217 * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
218 Use strip_name_encoding target hook.
220 2012-05-22 Richard Guenther <rguenther@suse.de>
222 * tree.h (VAR_DECL_IS_VIRTUAL_OPERAND): New.
223 (init_function_for_compilation): Remove.
224 * tree-dfa.c (find_vars_r): Take struct function argument.
225 (find_referenced_vars_in): Adjust.
226 * tree-ssa-operands.c (clobber_stats): Remove.
227 (create_vop_var): Take struct function argument. Mark
228 virtual operand with VAR_DECL_IS_VIRTUAL_OPERAND.
229 (init_ssa_operands): Take struct function argument.
230 (fini_ssa_operands): Do not dump dead stats.
231 * tree-ssa-operands.h (init_ssa_operands): Take struct function
233 * cgraphunit.c (init_lowered_empty_function): Adjust.
234 * lto-streamer-in.c (input_cfg): Likewise.
235 * tree-inline.c (initialize_cfun): Likewise.
236 * tree-into-ssa.c (rewrite_into_ssa): Likewise.
237 * omp-low.c (expand_omp_taskreg): Likewise. Avoid switching cfun.
238 * gimple.c (is_gimple_reg): Optimize the SSA_NAME case,
239 virtual operands are not registers.
241 2012-05-22 Richard Guenther <rguenther@suse.de>
243 * tree-cfg.c (verify_gimple_assign_unary): Fix typo in previous commit.
245 2012-05-22 Richard Guenther <rguenther@suse.de>
248 * tree-inline.c (setup_one_parameter): Create a dummy init
249 statement for unused parameters when not optimizing.
251 2012-05-22 Richard Guenther <rguenther@suse.de>
253 * tree-flow.h (add_referenced_var_1): Declare.
254 (add_referenced_var): Define.
255 * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash lookup.
256 (add_referenced_var): Rename to ...
257 (add_referenced_var_1): ... this. Take struct function argument.
259 2012-05-22 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
262 * config/arm/arm-protos.h (arm_validize_comparison): Declare.
263 * config/arm/arm.c (arm_validize_comparison): Define.
264 * config/arm/arm.md ("cbranchsi4"): Cleanup expansion and use
265 arm_validize_comparison.
266 ("cbranchdi4"): Likewise.
267 ("cstoredi4"): Likewise.
268 ("movsicc"): Likewise.
269 ("movsfcc"): Likewise.
270 ("movdfcc"): Likewise.
272 2012-05-22 Dimitrios Apostolou <jimis@gmx.net>
274 * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
275 the mw_reg_pool size.
277 2012-05-22 Paolo Bonzini <bonzini@gnu.org>
279 PR tree-optimization/53336
280 * tree-cfg.c (verify_gimple_assign_unary): Allow conversion from
281 non-integer integral types to offset type and vice versa.
283 2012-05-22 Alan Modra <amodra@gmail.com>
285 * config/rs6000/aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
286 * config/rs6000/darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
287 * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE,
288 V_SAVE_INLINE): Delete.
289 * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete.
290 (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic.
291 For ELF targets, use out-of-line restores for -Os and any number
292 of regs if the restore exits, and out-of-line gp save for two or
293 more regs. Use save_reg_p to test for holes in reg restore set.
294 Replace "#if" with "if".
296 2012-05-22 Alan Modra <amodra@gmail.com>
298 * config/rs6000/rs6000.c (save_reg_p): New function.
299 (first_reg_to_save, first_fp_reg_to_save): Use it here.
300 (first_altivec_reg_to_save, restore_saved_cr): Likewise.
301 (emit_frame_save): Use gen_frame_store.
302 (gen_frame_mem_offset): Correct SPE condition requiring reg+reg.
303 (rs6000_emit_prologue): Use save_reg_p. Use gen_frame_store for
305 (rs6000_emit_epilogue): Use save_reg_p. Use gen_frame_load for
306 vrsave, toc, gp and fp restores.
308 2012-05-22 Alan Modra <amodra@gmail.com>
310 * config/rs6000/rs6000.c: Delete unnecessary forward declarations.
311 Move those with ATTRIBUTE_UNUSED to immediately before definitions.
312 Move function pointer variables after forward declarations.
313 (rs6000_builtin_support_vector_misalignment): Make static.
314 (rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
315 (rs6000_function_value, rs6000_can_eliminate): Likewise.
317 2012-05-21 Bernd Schmidt <bernds@codesourcery.com>
319 PR rtl-optimization/53373
320 * caller-save.c (save_call_clobbered_regs): Look into a possible
321 PARALLEL manually rather than using single_set on a call insn.
323 2012-05-21 Jakub Jelinek <jakub@redhat.com>
325 PR tree-optimization/53436
326 * omp-low.c (omp_build_component_ref): New function.
327 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
329 2012-05-21 Uros Bizjak <ubizjak@gmail.com>
331 * config/i386/i386.c (put_condition_code): Change "reverse" and "fp"
333 (ix86_print_operand) <case 'O'>: Look at mode size of the operand.
334 Do not print '.' here. Output operand lossage error for unhandled
339 <case 'z'>: Hardcode "code" argument into error strings.
341 <case 'D'>: Merge AVX and non-AVX codes.
342 <case 'C', case 'c', case 'F', case 'f'>: Merge. Fix error string.
343 Update call to put_condition_code.
345 2012-05-21 Andreas Schwab <schwab@linux-m68k.org>
347 * config/m68k/m68k.md (*clzsi2_cf): Renamed from clzsi2. Call
349 (clzsi2): New expander.
350 (*clzsi2_68k): New insn.
351 * config/m68k/m68k.h: Update comment about CLZ_DEFINED_VALUE_AT_ZERO.
353 2012-05-21 Aldy Hernandez <aldyh@redhat.com>
355 * gimple.h (gimple_set_in_transaction): Remove.
356 (gimple_in_transaction): Look in BB instead.
357 (gimple_statement_base): Remove in_transaction field.
358 * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
359 * trans-mem.c (compute_transaction_bits): Place transaction bit
360 information into basic blocks.
362 2012-05-21 Andreas Schwab <schwab@linux-m68k.org>
364 * expr.c (get_def_for_expr_class): Define only if
365 HAVE_conditional_move.
366 (convert_tree_comp_to_rtx): Likewise.
368 2012-05-21 Uros Bizjak <ubizjak@gmail.com>
371 * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
373 (ffssi2_no_cmove): Ditto.
374 (*ffs<mode>_1): Remove insn pattern.
375 (*tzcnt<mode>_1): New insn pattern.
376 (*bsf<mode>1): Ditto.
378 2012-05-21 Richard Guenther <rguenther@suse.de>
380 * tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
381 more referenced vars.
382 * tree-ssa-live.c (mark_all_vars_used_1): Only set the used
383 flag on variables that have a var-annotation.
385 2012-05-21 Joseph Myers <joseph@codesourcery.com>
388 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
389 from folded operands before wrapping another around the
390 conditional expression.
392 2012-05-21 Jakub Jelinek <jakub@redhat.com>
394 PR tree-optimization/53366
395 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
396 tests if complex_numbers == 2, but there are non-complex number loads
399 PR tree-optimization/53409
400 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
401 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
403 PR tree-optimization/53410
404 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
405 instead of build_int_cst (type, 0) where vector types might be
406 involved. Instead of build_int_cst (type, 1) convert the original
407 integer_onep argument to the desired type.
409 2012-05-21 Michael Matz <matz@suse.de>
411 * genattrtab.c (attr_rtx_cost): Move earlier, start with cost being 1.
412 (simplify_test_exp): Handle one more case of distributive law,
413 decrease cost threshold.
414 (tests_attr_p, get_attr_order): New functions.
415 (optimize_attrs): Use topological order, inline only cheap values.
416 (write_attr_set): Reset our_known_true after some time.
418 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
421 * config/i386/i386.c (type_natural_mode): Warn passing SSE
422 vector argument without SSE enabled changes the ABI.
424 2012-05-21 Richard Guenther <rguenther@suse.de>
426 PR tree-optimization/53408
427 * tree-vect-loop.c (vectorizable_induction): Properly check
428 the restriction that we cannot handle induction results from
429 the inner loop outside of the outer loop.
431 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
434 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
435 (UNSPECV_RDRAND): This.
436 (rdrand<mode>_1): Updated.
438 2012-05-21 Richard Guenther <rguenther@suse.de>
440 * tree-loop-distribution.c (can_generate_builtin): Reject
443 2012-05-21 Chung-Lin Tang <cltang@codesourcery.com>
445 * Makefile.in (options.c): Add options.h to included header
448 2012-05-21 Razya Ladelsky <razya@il.ibm.com>
450 * tree-parloops.c : Add myself to contributors, update
451 TODO list, add link to wiki.
453 2012-05-21 Alan Modra <amodra@gmail.com>
455 * config/rs6000/predicates.md (input_operand): Don't match
456 constant pool addresses. Remove label_ref, high and plus from
457 match_code list. Remove redundant CONSTANT_P test.
458 (splat_input_operand): Similarly update match_code list.
459 (small_toc_ref): New predicate.
460 * config/rs6000/rs6000-protos.h (toc_relative_expr_p): Update prototype.
461 * config/rs6000/rs6000.c (tocrel_base, tocrel_offset): Make const.
462 (legitimate_constant_pool_address_p): Move TARGET_TOC test and
464 (toc_relative_expr_p): ..here. Add "strict" param. Match new rtl
465 generated by create_TOC_reference.
466 (rs6000_legitimize_address): Update cerate_TOC_reference call.
467 (rs6000_delegitimize_address): Handle new rtl for toc refs.
468 (rs6000_cannot_force_const_mem, rs6000_find_base_term): Likewise.
469 (use_toc_relative_ref): New function, split out from..
470 (rs6000_emit_move): ..here. Remove redundant tests. Update
471 create_TOC_reference calls.
472 (rs6000_legitimize_reload_address): Formatting. Handle splitting
473 of medium/large model toc addresses. Use use_toc_relative_ref.
474 (print_operand): Formatting, style. Adjust for toc changes.
475 (print_operand_address): Likewise.
476 (rs6000_output_addr_const_extra): Likewise.
477 (create_TOC_reference): Put TOC_REGISTER in UNSPEC_TOCREL rather
478 than a PLUS. Use this formulation for both high and low part
479 of -mcmodel=medium/large toc reference too. Before reload,
480 always use the small model formulation.
481 * config/rs6000/rs6000.md (tls_gd, tls_gd_high): Similarly avoid
482 a PLUS in high part of addresses here.
483 (tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
484 (tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
485 (largetoc_high, largetoc_low): Move earlier. Cope when no
487 (largetoc_high_plus): New insn.
488 (movsi_internal1, movsi_internal1_single, movsf_softfloat,
489 movdi_mfpgpr, movdi_internal64): Don't handle 'R' constraint here..
490 (tocref): ..instead do so here, new insn and split.
492 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
494 * config/i386/driver-i386.c (host_detect_local_cpu): Support
495 RDRND, F16C and FSGSBASE.
497 2012-05-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
499 PR rtl-optimzation/53373
500 * config/pa/pa.md (call_symref_pic): Don't expose PIC register save in
501 call pattern. Update split patterns.
502 (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
503 call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
505 2012-05-20 Razya Ladelsky <razya@il.ibm.com>
507 * tree-parloops.c (gen_parallel_loop): Change many_iterations_cond
510 2012-05-18 Jan Hubicka <jh@suse.cz>
512 * cgraphunit.c (handle_alias_pairs): Declare; free alias_pairs
513 (cgraph_process_new_functions): Process also aliases.
514 * lto-streamer-out.c (struct sets): Remove.
515 (trivally_defined_alias): Remove.
516 (output_alias_pair_p): Remove.
517 (output_unreferenced_globals): Remove.
518 (produce_symtab); Do not handle alias pairs.
519 (produce_asm_for_decls): Likewise.
520 * lto-streamer-in.c (input_alias_pairs): Remove.
521 (lto_read_body): Do not input alias pairs.
522 (lto_input_constructors_and_inits): Remove.
524 2012-05-18 Jan Hubicka <jh@suse.cz>
526 * cgraphunit.c (handle_alias_pairs): Cleanup; handle all types of
529 2012-05-18 Jan Hubicka <jh@suse.cz>
531 * cgraphbuild.c (record_reference): Update.
532 * lto-cgraph.c (lto_output_varpool_node): External vars
533 are not in other partition even if they are not output
534 in current partition.
535 * gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
537 (canonicalize_constructor_val): Take FROM_DECL argument.
538 (fold_ctor_reference, fold_string_cst_ctor_reference,
539 fold_array_ctor_reference, fold_nonarray_ctor_reference,
540 fold_ctor_reference): Likewise.
541 (fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
542 * gimple.h (gimple_fold_builtin): Likewise.
544 2012-05-18 Olivier Hainque <hainque@adacore.com>
546 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
547 $(libsubdir) as libexecsubdir.
549 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
551 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
552 relied on signed overflow behavior.
554 2012-05-18 Richard Guenther <rguenther@suse.de>
556 PR tree-optimization/53346
557 * tree-loop-distribution.c (ldist_gen): Make sure to apply
558 builtin transform even when only a single partition with
559 all reads/writes exists.
561 2012-05-18 Richard Guenther <rguenther@suse.de>
563 PR tree-optimization/53390
564 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
567 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
569 * tree-ssa-reassoc.c (bip_map): Remove decl.
570 (completely_remove_stmt): Remove function.
571 (remove_def_if_absorbed_call): Remove function.
572 (remove_visited_stmt_chain): Remove __builtin_powi handling.
573 (possibly_move_powi): Remove function.
574 (rewrite_expr_tree): Remove calls to possibly_move_powi.
575 (rewrite_expr_tree_parallel): Likewise.
576 (attempt_builtin_powi): Build multiplies explicitly rather than
577 relying on the ops vector and rank system.
578 (transform_stmt_to_copy): New function.
579 (transform_stmt_to_multiply): Likewise.
580 (reassociate_bb): Handle leftover operations after __builtin_powi
581 optimization; build a final multiply if necessary.
583 2012-05-18 Jan Hubicka <jh@suse.cz>
585 * cgraphunit.c (varpool_finalize_decl): Allow external decls.
586 (mark_functions_to_output): Fix sanity check.
587 * ipa.c (function_and_variable_visibility): Remove TREE_STATIC check.
589 2012-05-18 Richard Guenther <rguenther@suse.de>
591 * tree-flow.h (mark_symbols_for_renaming): Remove.
592 * tree-dfa.c (mark_symbols_for_renaming): Likewise.
593 * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming.
594 (copy_debug_stmt): Likewise.
595 (expand_call_inline): Likewise.
596 (declare_return_variable): Mark the return variable for renaming
599 2012-05-18 Andrew Stubbs <ams@codesourcery.com>
601 * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
603 * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
604 * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
605 (ashrdi3,lshrdi3): Likewise.
606 (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
608 2012-05-18 Meador Inge <meadori@codesourcery.com>
610 PR rtl-optimization/53352
611 * cse.c (equiv_constant): Ignore paradoxical subregs.
613 2012-05-17 Steven Bosscher <steven@gcc.gnu.org>
615 PR rtl-optimization/53125
616 * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
617 argument. Simplify calculation of REG_LIVE_LENGTH for regnos that
618 die in the basic block. Correctly top off REG_FREQ and
619 REG_FREQ_CALLS_CROSSED.
621 (regstat_compute_ri): Allocate and free local_live_last_luid.
623 (regstat_bb_compute_calls_crossed): Correctly top off
624 REG_FREQ_CALLS_CROSSED.
626 2012-05-17 Jan Hubicka <jh@suse.cz>
628 * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with
629 constructor over decl without.
630 * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
631 * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
632 * cgraphunit.c (process_function_and_variable_attributes): Finalize
634 (mark_functions_to_output): Also accept bodies for functions with
636 (output_in_order): Skip external vars.
637 * lto-cgraph.c (lto_output_node): External functions are never in other
639 (lto_output_varpool_node): Likewise.
640 * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
641 forgotten initializers.
642 * ipa.c (process_references): Handle external vars.
643 (symtab_remove_unreachable_nodes): Update to handle external vars.
644 (varpool_externally_visible_p): External vars are externally visible.
645 * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
646 * varpool.c (varpool_remove_node): Remove constructor.
647 (decide_is_variable_needed): Handle externals.
648 (varpool_remove_unreferenced_decls): Likewise.
650 2012-05-17 Manuel López-Ibáñez <manu@gcc.gnu.org>
652 * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
653 (enable_warning_as_error): Do not special case Wuninitialized.
654 * optc-gen.awk: Add sanity checks.
656 2012-05-17 Jan Hubicka <jh@suse.cz>
658 * ipa-reference.c (is_proper_for_analysis): Do not check flags
659 that might change as result of global optimization.
660 (analyze_function): Do not check analyzed and externally_visible
661 flags; be happy about address dereferences.
662 (propagate): Prune all_module_statics so it really contains just
663 statics; prune all the local summaries.
664 (ipa_reference_write_optimization_summary): Simplify.
666 2012-05-17 Kwok Cheung Yeung <kcy@codesourcery.com>
668 * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm, 51qm.
669 * config/m68k/m68k-tables.opt: Regenerated.
670 * doc/invoke.texi (M680x0 Options): Document.
672 2012-05-16 Dave Boutcher <daveboutcher@gmail.com>
673 Patrick Marlier <patrick.marlier@gmail.com>
675 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
678 2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
680 * configure: Regenerated.
682 2012-05-16 Andrew Pinski <apinski@cavium.com>
684 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
687 2012-05-16 David S. Miller <davem@davemloft.net>
689 * jump.c (delete_related_insns): If we remove a CALL, make sure
690 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
692 2012-05-16 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
694 PR tree-optimization/53217
695 * tree-ssa-reassoc.c (bip_map): New static variable.
696 (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
697 (attempt_builtin_powi): Save feeding multiplies on a stack.
698 (reassociate_bb): Create and destroy bip_map.
700 2012-05-16 Olivier Hainque <hainque@adacore.com>
702 * Makefile.in (install-no-fixedincludes): New target, former toplevel
703 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
704 Add comments and improve stamp preservation across the whole sequence.
705 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
707 2012-05-16 Richard Guenther <rguenther@suse.de>
709 * tree-inline.c (insert_init_stmt): Do not call
710 mark_symbols_for_renaming.
711 (setup_one_parameter): Avoid initializing unused parameters.
712 (declare_return_variable): Properly handle DECL_BY_REFERENCE
713 return vars in SSA form.
715 2012-05-16 Richard Guenther <rguenther@suse.de>
717 * tree-flow.h (get_virtual_var): Remove.
718 * tree-dfa.c (get_virtual_var): Likewise.
720 2012-05-16 Richard Guenther <rguenther@suse.de>
722 * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
723 Remove set-only bitmap of new names.
724 (slpeel_tree_peel_loop_to_edge): Likewise. Do not set
726 * tree-flow.h (ssa_names_to_replace): Remove.
727 * tree-into-ssa.c (ssa_names_to_replace): Likewise.
729 2012-05-16 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/53364
732 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
733 detect a view-conversion of the decl.
735 2012-05-16 Dodji Seketeli <dodji@redhat.com>
738 * c-tree.h (enum c_declspec_word): Declare new enum.
739 (struct c_declspecs::locations): New member.
740 (declspecs_add_qual, declspecs_add_scspec)
741 (declspecs_add_addrspace, declspecs_add_alignas): Take a new
743 * c-decl.c (build_null_declspecs): Initialize the new struct
744 c_declspecs::locations member.
745 (declspecs_add_addrspace): Take a location parameter for the
746 address space. Store it onto declaration specifiers.
747 (declspecs_add_qual): Likewise, take a location parameter for the
749 (declspecs_add_type): Likewise, take a location parameter for the
751 (declspecs_add_scspec): Likewise, take a location parameter for
752 the storage class specifier.
753 (declspecs_add_attrs): Likewise, take a location parameter for the
755 (declspecs_add_alignas): Likewise, take a location parameter for
757 (finish_declspecs): For diagnostics, use the location of the
758 relevant declspec, instead of the global input_location.
759 * c-parser.c (c_parser_parameter_declaration): Pass the precise
760 virtual location of the declspec to the declspecs-setters.
761 (c_parser_declspecs): Likewise. Avoid calling c_parser_peek_token
764 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
766 * configure.ac: Stack protector enabling for Android targets.
767 * configure: Regenerate.
769 2012-05-16 Richard Sandiford <r.sandiford@uk.ibm.com>
771 * ira.c (pseudo_move_insn): Delete.
772 (find_moveable_pseudos): Don't set it.
773 (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
774 the definitions of the original pseudo. Delete all of them.
776 2012-05-16 Olivier Hainque <hainque@adacore.com>
778 * config/rs6000/rs6000-opts.h (enum processor_type): Add
780 * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
781 * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
782 * config/rs6000/8540.md: indicate that the units/patterns apply to
785 * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
786 default_cpu into implicit_cpu, conveying what --with-cpu was passed at
787 configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
788 related flags, check that what is queried is supported by the selected
789 configuration. Rework the single/double_float and MASK_STRING resets to
790 hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
791 costs for PROCESSOR_PPC8548 as well.
792 (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
793 (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
794 statement instead of a sequence of ifs.
796 * config/rs6000/rs6000.h (TARGET_E500): Remove.
797 (TARGET_NO_LWSYNC): Adjust accordingly.
798 * config/rs6000/e500.h (TARGET_E500): Remove.
799 (CHECK_E500_OPTIONS): Adjust accordingly.
800 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
801 (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
802 * config/rs6000/linuxspe.h: Likewise.
803 * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
804 superfluous comments.
805 * config/rs6000/e500-double.h: Remove.
807 * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
808 default to with_cpu=8548 if --enable-e500-double, and to 8540
810 (set misc flags section): For powerpc*|rs6000*, remove inclusion
811 of e500-double.h for --enable-e500-double.
813 2012-05-16 Olivier Hainque <hainque@adacore.com>
815 * Makefile.in (s-header-vars): Resort to -n instead of trailing
816 -e d in sed invocation.
818 2012-05-16 Hans-Peter Nilsson <hp@axis.com>
820 * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
822 * doc/tm.texi: Regenerate.
824 2012-05-15 Paolo Carlini <paolo.carlini@oracle.com>
826 * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
828 2012-05-15 Jakub Jelinek <jakub@redhat.com>
831 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
832 that operands[2] is either immediate, or q_regs_operand.
834 2012-05-15 Richard Guenther <rguenther@suse.de>
836 * cgraphunit.c (thunk_adjust): Use make_rename_temp.
837 (assemble_thunk): Likewise. Manually rename and register
840 2012-05-15 Richard Guenther <rguenther@suse.de>
842 PR tree-optimization/53355
843 * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
846 2012-05-15 Tristan Gingold <gingold@adacore.com>
848 * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
850 2012-05-15 Richard Guenther <rguenther@suse.de>
852 * gimple.c (gimple_set_modified): Move ...
853 * gimple.h (gimple_set_modified): ... here.
855 2012-05-15 Tristan Gingold <gingold@adacore.com>
857 * ira-color.c (move_spill_restore): Add a guard.
859 2012-05-15 Tristan Gingold <gingold@adacore.com>
861 * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
864 2012-05-15 Eric Botcazou <ebotcazou@adacore.com>
866 * gimplify.c (gimplify_init_constructor): Do a block move for very
867 small objects as well.
869 2012-05-15 Bernd Schmidt <bernds@codesourcery.com>
871 * ira.c (find_moveable_pseudos): Skip registers whose
872 DF_REG_EQ_USE_COUNT is nonzero.
874 2012-05-15 Kenneth Zadeck <zadeck@naturalbridge.com>
876 * doc/md.texi (fma): Define to only be applicable for single rounding.
878 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
881 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
882 generate target register for "load" class builtins.
885 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
888 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
889 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
890 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
891 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
892 (<sse>_movu<ssemodesuffix>): New expander.
893 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
894 (avx_movdqu<avxmodesuffix>): New expander.
895 (*sse2_movdqu): Rename from sse2_movdqu.
896 (sse2_movdqu): New expander.
898 2012-05-14 Marc Glisse <marc.glisse@inria.fr>
901 * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
902 (canonicalize_perm): ... new function.
903 (expand_vec_perm_2vperm2f128_vshuf): New function.
904 (ix86_expand_vec_perm_const_1): Call it.
906 2012-05-14 Andrew Pinski <apinski@cavium.com>
907 H.J. Lu <hongjiu.lu@intel.com>
908 Jakub Jelinek <jakub@redhat.com>
911 * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
914 2012-05-14 Jakub Jelinek <jakub@redhat.com>
916 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
917 lineno 1 the same as lineno 0 before first start file directive.
918 (optimize_macinfo_range): Likewise.
920 * dwarf2out.c (have_macinfo): Define.
921 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
922 attribute, don't force empty compilation unit and don't emit any
923 .debug_macinfo/.debug_macro section if macinfo_table is empty.
925 2012-05-14 Georg-Johann Lay <avr@gjlay.de>
928 * config/avr/avr.c (avr_const_address_lo16): Remove.
929 (avr_assemble_integer): Print ".byte lo8(x)",
930 ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
931 .warning if 3-byte address is assembled.
932 * doc/extend.texi (AVR Named Address Spaces): Document that
933 binutils 2.23 is needed to assemble 3-byte addresses.
935 2012-05-14 Richard Guenther <rguenther@suse.de>
937 * tree-vect-data-refs.c (vect_setup_realignment): Remove
938 call to mark_symbols_for_renaming.
939 (vect_permute_load_chain): Likewise.
940 * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
941 instead of calling mark_symbols_for_renaming.
942 * tree-vect-stmts.c (read_vector_array): Remove call to
943 mark_symbols_for_renaming.
944 (write_vector_array): Likewise.
945 (vectorizable_call): Likewise.
946 (vectorizable_store): Likewise.
947 (vectorizable_load): Likewise.
948 * matrix-reorg.c (transform_allocation_sites): Likewise.
949 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
950 (create_expression_by_pieces): Likewise.
952 2012-05-14 Richard Guenther <rguenther@suse.de>
954 * gimplify.c (gimple_regimplify_operands): Only mark the LHS
955 of statements for renaming.
956 (force_gimple_operand_1): Likewise, consistently for both
957 calls to force_gimple_operand and force_gimple_operand_gsi.
959 2012-05-14 Richard Guenther <rguenther@suse.de>
961 * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
962 * omp-low.c (expand_omp_taskreg): Properly conditionalize call
964 (expand_omp_for): Likewise.
965 (expand_omp_for_generic): Adjust conditional add to referenced vars.
966 Use make_rename_temp for temporaries that should be rewritten into
968 (expand_omp_for_static_nochunk): Likewise.
969 (expand_omp_atomic_pipeline): Likewise.
971 2012-05-14 Richard Guenther <rguenther@suse.de>
973 PR tree-optimization/53331
974 * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
976 * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
978 2012-05-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
981 * doc/options.texi: (LangEnabledBy): Document it.
982 * optc-gen.awk: Handle LangEnabledBy.
983 * opth-gen.awk: Generate declaration for lang-specific functions.
984 * opt-read.awk: Record lang numbers.
985 * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
986 (lang_sanitized_name): New.
988 2012-05-14 Bernd Schmidt <bernds@codesourcery.com>
990 * attribs.c (decl_attributes): Avoid emitting a warning if
992 * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
993 codes. Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
994 * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define. Use it to
996 (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
997 * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
998 BUILT_IN_STRCPY): Use it for these functions.
999 * postreload.c (reload_combine): Deal with SETs inside
1000 CALL_INSN_FUNCTION_USAGE.
1001 * caller-save.c (setup_save_areas, save_call_clobbered_regs):
1002 Look for REG_RETURNED notes and use a cheap restore if possible.
1003 * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
1004 (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
1005 * ira-build.c (ira_create_allocno, create_cap_allocno,
1006 propagate_allocno_info, propagate_some_info_from_allocno,
1007 copy_info_to_removed_store_destination, ira_flattening): Handle it.
1008 * ira-lives.c (pseudo_regno_single_word_and_live_p,
1009 find_call_crossed_cheap_reg): New static functions.
1010 (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
1011 and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible. Also make
1012 a REG_RETURNED note in that case.
1013 * ira.c (setup_reg_renumber): Change assert to allow cases where
1014 allocnos only cross calls for which they are cheap to restore.
1015 * ira-costs.c (ira_tune_allocno_costs): Compare
1016 ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
1018 * reg-notes.def (REG_RETURNED): New note.
1019 * cse.c (cse_insn): Likewise.
1020 * sched-deps.c (sched_analyze_insn): Likewise.
1021 * expr.c (init_block_move_fn): Set a "fn spec" attribute.
1022 * calls.c (decl_return_flags): New static function.
1023 (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
1024 functions that return one of their arguments.
1025 * regcprop.c (struct kill_set_value_data): New.
1026 (kill_set_value): Interpret data as a pointer to such a struct.
1027 Do nothing if the caller wants the register to be ignored.
1028 (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
1030 2012-05-14 Richard Guenther <rguenther@suse.de>
1032 PR tree-optimization/53340
1033 * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
1035 2012-05-14 Richard Guenther <rguenther@suse.de>
1037 * gimplify.c (gimplify_expr): Remove odd code.
1039 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
1041 * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
1042 into a PLUS_EXPR byte offset.
1044 * tree-ssa-pre.c (can_value_number_call): Delete.
1045 (compute_avail): Skip all statements with side effects.
1046 <GIMPLE_CALL>: Skip calls to internal functions.
1048 2012-05-13 Steven Bosscher <steven@gcc.gnu.org>
1050 * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
1052 2012-05-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1054 * common.opt (Wtype-limits): Use EnabledBy.
1056 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
1058 * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
1059 (pushtf splitter): Ditto.
1061 (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
1062 (<code>tf2): Enable for TARGET_SSE.
1063 (*absnegtf2_sse): Ditto.
1064 (copysign<mode>3): Enable TFmode for TARGET_SSE.
1065 (copysign<mode>3_const): Ditto.
1066 (copysign<mode>3_var): Ditto.
1067 * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
1068 (*andnottf3): Ditto. Use V4SFmode for !TARGET_SSE2.
1069 (*<code>tf3): Ditto.
1070 * config/i386/i386.c (struct builtin_description bdesc_args)
1071 <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
1072 <IX86_BUILTIN_COPYSIGNQ>: Ditto.
1073 (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
1074 Emit a normal call if SSE isn't available.
1076 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
1078 * config/i386/sse.md (<sse>_andnot<mode>3): Handle
1079 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1080 (<code><mode>3): Ditto.
1081 (*andnot<mode>3): Ditto.
1082 (*andnottf3): Ditto.
1083 (*<code><mode>3): Ditto.
1086 2012-05-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1088 * optc-gen.awk: Error instead of warning for conflicting help.
1090 2012-05-12 Jason Merrill <jason@redhat.com>
1093 * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
1096 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
1098 * function.c (requires_stack_frame_p): If the function can throw
1099 non-call exceptions, return true if the insn can throw internally.
1101 2012-05-12 Paolo Carlini <paolo.carlini@oracle.com>
1103 * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
1105 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
1107 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1108 ORDERED and UNORDERED conditions.
1110 2012-05-11 Richard Guenther <rguenther@suse.de>
1112 * tree-flow.h (referenced_var_check_and_insert): Remove.
1113 (find_new_referenced_vars): Likewise.
1114 * tree-dfa.c (referenced_var_check_and_insert): Make static.
1115 (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
1116 * tree-inline.c (copy_bb): Use find_referenced_vars_in
1117 instead of find_new_referenced_vars.
1118 * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
1120 2012-05-11 Richard Guenther <rguenther@suse.de>
1122 * tree-pass.h (pass_rest_of_compilation,
1123 pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
1125 * passes.c (pass_all_optimizations, pass_postreload,
1126 pass_all_early_optimizations): Make static.
1127 (pass_rest_of_compilation): Likewise. Make it an RTL_PASS.
1128 * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
1129 * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
1130 (delete_tree_ssa): Do not call fini_phinodes.
1131 * tree-flow.h (init_phinodes, fini_phinodes): Remove.
1133 2012-05-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
1136 * doc/options.texi (EnabledBy): Document
1137 * opts.c: Include opts.h and options.h before tm.h.
1138 (finish_options): Do not handle some sub-options here...
1139 (common_handle_option): ... instead call common_handle_option_auto here.
1140 * optc-gen.awk: Handle EnabledBy.
1141 * opth-gen.awk: Declare common_handle_option_auto.
1142 * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
1143 (Wmaybe-uninitialized): Likewise.
1144 (Wunused-but-set-variable): Likewise.
1145 (Wunused-function): Likewise.
1146 (Wunused-label): Likewise.
1147 (Wunused-value): Likewise.
1148 (Wunused-variable): Likewise.
1149 * opt-read.awk: Create opt_numbers array.
1151 2012-05-11 Richard Guenther <rguenther@suse.de>
1153 PR tree-optimization/53295
1154 * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
1156 * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
1157 strides when analyzing data-references in a loop context.
1158 * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
1159 non-constant strides for now.
1160 (vect_enhance_data_refs_alignment): Ignore data references
1161 that are strided loads.
1162 (vect_analyze_data_ref_access): Handle non-constant strides.
1163 (vect_check_strided_load): Verify the data-reference is a load.
1164 (vect_analyze_data_refs): Restructure to make strided load
1165 support not dependent on gather support.
1166 * tree-vect-stmts.c (vectorizable_load): Avoid useless work
1167 when doing strided or gather loads.
1168 * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
1169 integer_zerop to compare stride with zero.
1171 2012-05-11 H.J. Lu <hongjiu.lu@intel.com>
1173 * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
1175 2012-05-11 Jan Hubicka <jh@suse.cz>
1178 * varpool.c (varpool_assemble_decl): Also output constat pool entries
1179 that output_constant_pool missed.
1181 2012-05-11 Mingjie Xing <mingjie.xing@gmail.com>
1183 * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
1184 MULTILIB_EXTRA_OPTS.
1186 2012-05-11 Uros Bizjak <ubizjak@gmail.com>
1189 * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
1191 2012-05-11 Uros Bizjak <ubizjak@gmail.com>
1193 * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
1194 optimization for TARGET_AVX.
1195 (*movti_internal_sse): Ditto.
1196 (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1197 (*movdi_internal): Ditto.
1198 (*movsi_internal): Ditto.
1199 (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
1200 (*movdf_internal_rex64): Ditto.
1201 (*movfd_internal): Ditto.
1202 (*movsf_internal): Ditto.
1203 * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
1205 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1207 * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
1208 reference as size attribute.
1210 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1211 Tristan Gingold <gingold@adacore.com>
1213 * doc/md.texi (Standard Names): Document probe_stack_address.
1214 * explow.c (emit_stack_probe): Handle probe_stack_address.
1215 * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
1216 (UNSPECV_PROBE_STACK_RANGE): Likewise.
1217 (probe_stack_address): New insn.
1218 (probe_stack_range): Likewise.
1219 * config/ia64/ia64.c: Include common/common-target.h.
1220 (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
1221 checking is enabled.
1222 (ia64_emit_probe_stack_range): New function.
1223 (output_probe_stack_range): Likewise.
1224 (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
1225 builtin stack checking is enabled.
1226 (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
1227 and UNSPECV_PROBE_STACK_ADDRESS.
1228 (unknown_for_bundling_p): New predicate.
1229 (group_barrier_needed): Use important_for_bundling_p.
1230 (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
1231 (issue_nops_and_insn): Likewise.
1232 (bundling): Likewise.
1233 (final_emit_insn_group_barriers): Likewise.
1234 * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
1235 * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
1236 (STACK_CHECK_PROTECT): Likewise.
1237 * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
1239 2012-05-10 Jan Hubicka <jh@suse.cz>
1241 * ipa-inline.c (update_all_callee_keys): Remove.
1242 (inline_small_functions): Simplify priority updating.
1244 2012-05-10 Jan Hubicka <jh@suse.cz>
1246 * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
1248 2012-05-10 Jan Hubicka <jh@suse.cz>
1250 * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
1251 (symtab_remove_unreachable_nodes): ... this one.
1252 * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
1253 * cgraphunit.c (ipa_passes): Update.
1254 * cgraphclones.c (cgraph_materialize_all_clones): Update.
1255 * cgraph.c (cgraph_release_function_body): Only turn initial
1256 into error mark when initial was previously set.
1257 * ipa-inline.c (ipa_inline): Update.
1258 * ipa.c: Include ipa-inline.h
1259 (enqueue_cgraph_node, enqueue_varpool_node): Remove.
1260 (enqueue_node): New function.
1261 (process_references): Update.
1262 (symtab_remove_unreachable_nodes): Cleanup.
1263 * passes.c (execute_todo, execute_one_pass): Update.
1265 2012-05-10 Vladimir Makarov <vmakarov@redhat.com>
1267 PR rtl-optimization/53125
1268 * ira.c (ira): Call find_moveable_pseudos and
1269 move_unallocated_pseudos if only ira_conflicts_p is true.
1271 2012-05-10 Uros Bizjak <ubizjak@gmail.com>
1273 * config/i386/i386.md (*movoi_internal_avx): Handle
1274 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
1275 (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1276 (*movti_internal_sse): Ditto.
1277 (*movtf_internal): Ditto.
1278 * config/i386/sse.md (ssePSmode): New mode attribute.
1279 (*move<mode>_internal): Use ssePSmode.
1280 (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
1281 (*<sse2>_movdqu<avxsizesuffix>): Ditto.
1282 * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
1283 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
1285 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
1287 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1288 DECL_ORIGINAL_TYPE if it is present.
1290 2012-05-10 Nick Clifton <nickc@redhat.com>
1293 * config/m32c/bitops.md (bset_qi): Change operand 2 from having
1294 a "0" constraint to being a (match_dup 0).
1296 2012-05-10 Richard Guenther <rguenther@suse.de>
1298 * stor-layout.c (byte_from_pos): Amend comment.
1300 2012-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1302 * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
1303 Document requirement to call in constructors.
1305 * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
1307 2012-05-10 Richard Guenther <rguenther@suse.de>
1309 * tree.h (TYPE_IS_SIZETYPE): Remove.
1310 * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
1311 (extract_muldiv_1): Likewise.
1312 * gimple.c (gtc_visit): Likewise.
1313 (gimple_types_compatible_p): Likewise.
1314 (iterative_hash_canonical_type): Likewise.
1315 (gimple_canonical_types_compatible_p): Likewise.
1316 * gimplify.c (gimplify_one_sizepos): Likewise.
1317 * print-tree.c (print_node): Likewise.
1318 * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
1320 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
1323 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1324 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1325 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1326 instead of xop_mulv2div2di3_low.
1327 (xop_p<macs>dql): Fix vec_select selector.
1328 (xop_p<macs>dqh): Ditto.
1329 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1330 (xop_mulv2div2di3_high): Ditto.
1332 2012-05-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1335 * diagnostic.h (diagnostic_context): Add last_location.
1336 * diagnostic.c (diagnostic_initialize): Initialize it.
1337 (diagnostic_show_locus): Use it.
1339 2012-05-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1341 * doc/extend.texi (Function Attributes): Point xref to section
1344 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
1346 * config/i386/i386.c (*movdf_internal_rex64): Remove
1347 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
1348 Calculate "mode" attribute according to
1349 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
1350 (*movdf_internal): Ditto.
1352 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
1355 * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
1356 128 bit vectors specially for TARGET_AVX. Emit sse2_movupd and
1357 sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
1358 or when optimizing for size.
1359 * config/i386/sse.md (*mov<mode>_internal): Remove
1360 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
1361 Calculate "mode" attribute according to optimize_function_for_size_p
1362 and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
1363 (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
1364 depending on the mode of the instruction. Calculate "mode" attribute
1365 according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
1366 and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
1367 (*<sse2>_movdqu<avxsizesuffix>): Ditto.
1369 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
1372 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1373 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1374 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1375 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1376 (expand_prologue): Move initialization of cfun->machine->is_naked,
1377 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1378 (avr_set_current_function): ...this new static function.
1379 (TARGET_SET_CURRENT_FUNCTION): New define.
1380 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1381 checking attributes of current_function_decl.
1382 (avr_regs_to_save): Ditto.
1383 (signal_function_p): Rename to avr_signal_function_p.
1384 (interrupt_function_p): Rename to avr_interrupt_function_p.
1386 * doc/extend.texi (Function Attributes): Better explanation of
1387 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1390 2012-05-09 Michael Matz <matz@suse.de>
1392 PR tree-optimization/53185
1393 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
1394 peeling when we see strided loads.
1396 2012-05-09 Matthias Klose <doko@ubuntu.com>
1398 * gcc-ar.c (main): Don't check for execute bits for the plugin.
1400 2012-05-09 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1402 * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
1403 Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
1404 USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
1405 * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
1406 (USE_LOAD_POST_INCREMENT): Define.
1407 (USE_LOAD_PRE_INCREMENT): Define.
1408 (USE_LOAD_POST_DECREMENT): Define.
1409 (USE_LOAD_PRE_DECREMENT): Define.
1410 (USE_STORE_PRE_DECREMENT): Define.
1411 (USE_STORE_PRE_INCREMENT): Define.
1412 (USE_STORE_POST_DECREMENT): Define.
1413 (USE_STORE_POST_INCREMENT): Define.
1414 (arm_auto_incmodes): Add enumeration.
1415 * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
1416 * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
1418 2012-05-09 Jakub Jelinek <jakub@redhat.com>
1420 PR tree-optimization/53226
1421 * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
1422 prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
1423 before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
1424 doesn't need to be revisited, look for earliest stmt with
1425 !gimple_plf (stmt, GF_PLF_1) if something changed.
1427 2012-05-09 Terry Guo <terry.guo@arm.com>
1429 * genmultilib: Update copyright dates.
1430 * doc/fragments.texi: Ditto.
1432 2012-05-09 Terry Guo <terry.guo@arm.com>
1434 * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
1435 * genmultilib (MULTILIB_REQUIRED): New.
1436 * doc/fragments.texi: Document the MULTILIB_REQUIRED.
1438 2012-05-09 Richard Guenther <rguenther@suse.de>
1440 * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
1441 (vect_do_peeling_for_loop_bound): Likewise.
1442 (vect_do_peeling_for_alignment): Likewise.
1443 * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
1444 (vect_do_peeling_for_loop_bound): Get check_profitability and
1445 threshold as parameters.
1446 (vect_do_peeling_for_alignment): Likewise.
1447 (vect_loop_versioning): Likewise.
1448 * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
1449 and threshold here. Control where to put the check here.
1451 2012-05-09 Richard Sandiford <rdsandiford@googlemail.com>
1454 * dwarf2out.h (get_address_mode): Move declaration to...
1456 * dwarf2out.c (get_address_mode): Move definition to...
1457 * rtlanal.c: ...here.
1458 * var-tracking.c (get_address_mode): Delete.
1459 * combine.c (find_split_point): Use get_address_mode instead of
1460 targetm.addr_space.address_mode.
1461 * cselib.c (cselib_record_sets): Likewise.
1462 * dse.c (canon_address, record_store): Likewise.
1463 * emit-rtl.c (adjust_address_1, offset_address): Likewise.
1464 * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
1465 (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
1466 (expand_expr_real_1): Likewise.
1467 * ifcvt.c (noce_try_cmove_arith): Likewise.
1468 * optabs.c (maybe_legitimize_operand_same_code): Likewise.
1469 * reload.c (find_reloads): Likewise.
1470 * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
1471 * sel-sched-dump.c (debug_mem_addr_value): Likewise.
1473 2012-05-09 Maciej W. Rozycki <macro@codesourcery.com>
1475 * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
1476 information from the instruction produced.
1478 2012-05-09 Richard Guenther <rguenther@suse.de>
1480 * stor-layout.c (bit_from_pos): Document.
1481 (byte_from_pos): Likewise. Optimize.
1482 (pos_from_bit): Likewise.
1483 (normalize_offset): Use pos_from_bit instead of replicating it.
1485 2012-05-09 Alan Modra <amodra@gmail.com>
1488 * config/rs6000/rs6000.c (gen_frame_set): New function.
1489 (gen_frame_load, gen_frame_store): New functions.
1490 (rs6000_savres_rtx): Use the above.
1491 (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
1492 Correct mode used for CR2 in save/restore_world patterns.
1493 Don't emit instructions for eh_return frame unwind reg info.
1495 2012-05-08 Jan Hubicka <jh@suse.cz>
1497 * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
1499 * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
1501 * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
1503 (compile_file): Do not output variables.
1504 * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
1506 * langhooks.c: Include timevar.h
1507 (write_global_declarations): Finalize compilation unit after wrapup;
1508 set timevars correctly.
1509 * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
1510 not to be added to varpool.
1511 * varpool.c (varpool_assemble_decl): Sanity check that we are called
1512 only on cases where it makes sense; skip constant pool and value expr
1515 2012-05-08 David S. Miller <davem@davemloft.net>
1517 * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
1518 * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
1519 * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
1521 2012-05-08 Richard Sandiford <rdsandiford@googlemail.com>
1523 PR rtl-optimization/53278
1524 * lower-subreg.c (decompose_multiword_subregs): Remove left-over
1525 speed_p code from earlier patch.
1527 2012-05-08 Oleg Endo <olegendo@gcc.gnu.org>
1530 * config/sh/sh.md (*branch_true, *branch_false): New insns.
1532 2012-05-08 Teresa Johnson <tejohnson@google.com>
1534 * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
1535 * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
1537 2012-05-08 Jan Hubicka <jh@suse.cz>
1539 * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
1540 (cgraph_create_node_1): Rename to ...
1541 (cgraph_create_empty_node): ... this one; export.
1542 (cgraph_create_node): Update.
1543 (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
1544 (cgraph_create_edge_including_clones): Likewise.
1545 (cgraph_find_replacement_node): Likewise.
1546 (cgraph_clone_edge): Likewise.
1547 (cgraph_clone_node): Likewise.
1548 (clone_function_name): Likewise.
1549 (cgraph_create_virtual_clone): Likewise.
1550 (cgraph_remove_node_and_inline_clones): Likewise.
1551 (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
1552 * cgraph.h: Reorder declarations so they match file of origin.
1553 (cgraph_create_empty_node): Declare.
1554 * cgraphunit.c (update_call_expr): Move to cgraphclones.c
1555 (cgraph_copy_node_for_versioning): Likewise.
1556 (cgraph_function_versioning): Likewise.
1557 (cgraph_materialize_clone): Likewise.
1558 (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
1559 (cgraph_materialize_all_clones): Likewise.
1560 * cgraphclones.c: New file.
1561 * Makefile.in: Update for cgraphclones.
1563 2012-05-08 Uros Bizjak <ubizjak@gmail.com>
1566 * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
1567 (ix86_rtx_costs): Handle SET.
1569 2012-05-08 Michael Matz <matz@suse.de>
1571 * basic-block.h (struct rtl_bb_info): Remove visited member and
1572 move head_ member to ...
1573 (struct basic_block_def.basic_block_il_dependent): ... the new
1574 member x, replacing but containing old member rtl.
1575 (enum bb_flags): New BB_VISITED flag.
1576 (BB_HEADER, BB_FOOTER): New macros.
1578 * jump.c (mark_all_labels): Adjust.
1579 * cfgcleanup.c (try_optimize_cfg): Adjust.
1580 * cfglayout.c (record_effective_endpoints): Adjust.
1581 (relink_block_chain): Ditto (and don't fiddle with visited).
1582 (fixup_reorder_chain): Adjust.
1583 (fixup_fallthru_exit_predecessor): Ditto.
1584 (cfg_layout_duplicate_bb): Ditto.
1585 * combine.c (update_cfg_for_uncondjump): Adjust.
1586 * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
1587 (bb_visited_trace): New accessor.
1588 (mark_bb_visited): Move in front.
1589 (rotate_loop): Use bb_visited_trace.
1590 (find_traces_1_round): Ditto.
1591 (emit_barrier_after): Ditto.
1592 (copy_bb): Ditto, and initialize visited on resize.
1593 (reorder_basic_blocks): Initize visited member.
1594 (duplicate_computed_gotos): Clear bb flags at start, use
1597 * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
1598 (rtl_verify_flow_info_1): Ditto.
1599 (cfg_layout_split_block): Ditto.
1600 (cfg_layout_delete_block): Ditto.
1601 (cfg_layout_merge_blocks): Ditto.
1602 (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
1604 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
1607 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1608 when a constant source operand matches an "I" constraint, the "no
1609 CC0 change" applies to a register-destination only, not a
1610 strict_low_part-destination.
1612 2012-05-08 Richard Guenther <rguenther@suse.de>
1614 * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
1615 to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
1617 2012-05-08 Georg-Johann Lay <avr@gjlay.de>
1619 * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
1621 * doc/avr-mmcu.texi: New auto-generated file.
1622 * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
1623 to document all valid -mmcu= arguments.
1625 * config/avr/avr.h (arch_info_s): New struct definition.
1626 * config/avr/avr-devices.c (avr_texinfo): New variable.
1627 * config/avr/gen-avr-mmcu-texi.c: New file.
1628 * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
1630 2012-05-08 Dehao Chen <dehao@google.com>
1632 * predict.c (find_qualified_ssa_name): New.
1633 (find_ssa_name_in_expr): New.
1634 (find_ssa_name_in_assign_stmt): New.
1635 (is_comparison_with_loop_invariant_p): New.
1636 (is_bound_expr_similar): New.
1637 (predict_iv_comparison): New.
1638 (predict_loops): Add heuristic for loop-nested branches that compare an
1639 induction variable to a loop bound variable.
1640 * predict.def (PRED_LOOP_IV_COMPARE): New macro.
1642 2012-05-08 Uros Bizjak <ubizjak@gmail.com>
1644 * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
1645 TARGET_BDVER2 defines where appropriate.
1647 2012-05-07 Eric Botcazou <ebotcazou@adacore.com>
1649 * configure.ac (PLUGIN_LD): Rename into...
1650 (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
1651 * config.in: Regenerate.
1652 * configure: Likewise.
1653 * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
1655 2012-05-07 Eric Botcazou <ebotcazou@adacore.com>
1657 * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
1658 computation using the precision of the index type.
1659 * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
1660 (fold_array_ctor_reference): Do index computations in the index type.
1662 2012-05-07 Georg-Johann Lay <avr@gjlay.de>
1664 * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
1665 down to plus_constant.
1666 (expand_epilogue): Ditto.
1668 2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
1670 * postreload.c (reload_cse_regs): Make static.
1671 * reload.h (reload_cse_regs): Remove prototype.
1673 2012-05-07 Richard Henderson <rth@redhat.com>
1675 * config/alpha/alpha.md (clear_cache): New pattern.
1677 2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
1680 * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
1681 is folded to a type boundary value, verify that the resulting case
1682 label is still a care range.
1684 2012-05-07 Uros Bizjak <ubizjak@gmail.com>
1686 * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
1687 only for TARGET_GENERIC, when not optimizing for size.
1688 (*ffs<mode>_1): Ditto.
1690 2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
1692 * tree-cfg.c (verify_gimple_switch): Tighten checks.
1694 2012-05-07 Jakub Jelinek <jakub@redhat.com>
1696 PR tree-optimization/53239
1697 * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
1698 of DECL_BY_REFERENCE RESULT_DECL to nonnull.
1700 2012-05-07 Richard Guenther <rguenther@suse.de>
1702 PR tree-optimization/53195
1703 * tree-inline.c (setup_one_parameter): Properly add referenced
1704 vars from the parameters new known value.
1706 2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
1708 * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
1709 (sched_branch_type): Remove.
1710 (m68k_sched_md_init_global): Don't allocate it.
1711 (m68k_sched_md_finish_global): Don't free it.
1712 * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
1713 * config/m68k/m68k.md: Set the type of insns using
1714 m68k_sched_branch_type to bcc directly.
1716 2012-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1718 * config/sol2.c (solaris_override_options): New function.
1719 * config/sol2-protos.h (solaris_override_options): Declare.
1720 * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1722 2012-05-07 Richard Guenther <rguenther@suse.de>
1724 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
1725 whether we failed to compute data dependences.
1726 (loop_prefetch_arrays): Fail if we failed.
1728 2012-05-07 Uros Bizjak <ubizjak@gmail.com>
1729 Paolo Bonzini <bonzini@gnu.org>
1731 * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
1732 Emit bsf when optimizing for size.
1733 (*ffs<mode>_1): Ditto.
1735 2012-05-07 Oleg Endo <olegendo@gcc.gnu.org>
1738 * config/sh/sh.c (sh_rtx_costs): Handle SET.
1740 2012-05-06 Uros Bizjak <ubizjak@gmail.com>
1743 * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
1744 (bswapdi2): Split from bswap<mode>2. Use nonnimediate_operand
1745 predicate for operand 1. Force operand 1 to register for TARGET_BSWAP.
1747 (*bswapdi2_doubleword): New insn pattern.
1748 (*bswap<mode>2): Rename from *bswap<mode>2_1.
1750 2012-05-06 Richard Sandiford <rdsandiford@googlemail.com>
1752 * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
1753 (mips_set_reg_reg_cost): Likewise.
1754 (mips_rtx_costs): Handle SET.
1756 2012-05-06 Richard Sandiford <rdsandiford@googlemail.com>
1758 * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
1759 (compute_costs): Likewise for the zero extension. Use set_rtx_cost
1760 to compute the cost of moves. Set the mode of the target register.
1762 2012-05-05 Richard Sandiford <rdsandiford@googlemail.com>
1764 * rtl.h (plus_constant, plus_constant_mode): Merge into a single
1765 plus_constant function.
1766 * explow.c (plus_constant, plus_constant_mode): Likewise. Assert
1767 that the mode is sensible.
1768 (use_anchored_address, round_push, allocate_dynamic_stack_space)
1769 (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
1772 * alias.c (canon_rtx): Likewise.
1773 (init_alias_analysis): Likewise.
1774 * builtins.c (expand_builtin_return_addr)
1775 (expand_builtin_setjmp_setup, expand_builtin_longjmp)
1776 (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
1777 (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
1778 (expand_builtin_stpcpy): Likewise.
1779 * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
1780 (compute_argument_addresses, internal_arg_pointer_based_exp)
1781 (expand_call, emit_library_call_value_1): Likewise.
1782 * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
1783 * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
1784 * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
1785 * cse.c (insert_const_anchor, find_reg_offset_for_const)
1786 (use_related_value, fold_rtx): Likewise.
1787 * cselib.c (cselib_subst_to_values): Likewise.
1788 * dse.c (record_store, check_mem_read_rtx): Likewise.
1789 * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
1790 * emit-rtl.c (adjust_address_1): Likewise.
1791 * except.c (sjlj_emit_function_enter)
1792 (expand_builtin_extract_return_addr)
1793 (expand_builtin_frob_return_addr): Likewise.
1794 * expmed.c (expand_divmod): Likewise.
1795 * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
1796 (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
1797 (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
1798 * function.c (assign_stack_local_1)
1799 (instantiate_virtual_regs_in_rtx): Likewise.
1800 * optabs.c (prepare_cmp_insn): Likewise.
1801 * recog.c (offsettable_address_addr_space_p): Likewise.
1802 * reload.c (find_reloads_address, form_sum)
1803 (find_reloads_subreg_address): Likewise.
1804 * reload1.c (init_reload, eliminate_regs_1)
1805 (eliminate_regs_in_insn): Likewise.
1806 * simplify-rtx.c (simplify_unary_operation_1)
1807 (simplify_binary_operation_1, simplify_plus_minus): Likewise.
1808 * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
1809 (vt_add_function_parameter): Likewise.
1811 * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
1812 * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
1813 * config/alpha/alpha.c (alpha_legitimize_address_1)
1814 (get_unaligned_address, alpha_expand_unaligned_load)
1815 (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
1816 (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
1817 (alpha_expand_builtin_establish_vms_condition_handler)
1818 (alpha_setup_incoming_varargs, emit_frame_store_1)
1819 (alpha_expand_prologue, alpha_expand_epilogue)
1820 (alpha_use_linkage): Likewise.
1821 * config/alpha/alpha.md: Likewise.
1823 * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
1824 (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
1825 (thumb_legitimize_address, arm_gen_load_multiple_1)
1826 (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
1827 (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
1828 (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
1829 (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
1830 (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
1831 (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
1832 (thumb_expand_movmemqi, arm_set_return_address)
1833 (thumb_set_return_address): Likewise.
1834 * config/arm/arm.md: Likewise.
1836 * config/avr/avr.c (avr_incoming_return_addr_rtx)
1837 (avr_prologue_setup_frame, expand_epilogue)
1838 (avr_const_address_lo16): Likewise.
1840 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
1841 * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
1842 (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
1843 (bfin_output_mi_thunk): Likewise.
1845 * config/c6x/c6x.c (c6x_initialize_trampoline)
1846 (c6x_output_mi_thunk): Likewise.
1848 * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
1849 * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
1851 * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
1852 (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
1853 (cris_emit_movem_store, cris_trampoline_init): Likewise.
1854 * config/cris/cris.md: Likewise.
1856 * config/darwin.c (machopic_indirect_data_reference)
1857 (machopic_legitimize_pic_address): Likewise.
1859 * config/epiphany/epiphany.c (epiphany_emit_save_restore)
1860 (epiphany_expand_prologue, epiphany_expand_epilogue)
1861 (epiphany_trampoline_init): Likewise.
1862 * config/epiphany/epiphany.md: Likewise.
1864 * config/fr30/fr30.c (fr30_move_double): Likewise.
1866 * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
1867 (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
1868 (frv_index_memory, unspec_got_name, frv_find_base_term)
1869 (frv_output_dwarf_dtprel): Likewise.
1871 * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
1872 (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
1874 * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
1875 * config/i386/i386.c (setup_incoming_varargs_64)
1876 (setup_incoming_varargs_ms_64, choose_baseaddr)
1877 (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
1878 (ix86_emit_probe_stack_range, ix86_expand_prologue)
1879 (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
1880 (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
1881 (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
1882 (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
1883 (x86_output_mi_thunk): Likewise.
1884 * config/i386/i386.md: Likewise.
1886 * config/ia64/ia64.c (ia64_expand_load_address)
1887 (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
1888 (do_spill, ia64_trampoline_init): Likewise.
1890 * config/iq2000/iq2000.c (iq2000_va_start)
1891 (iq2000_emit_frame_related_store, iq2000_expand_prologue)
1892 (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
1893 (iq2000_print_operand, iq2000_legitimize_address): Likewise.
1895 * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
1897 * config/m32c/m32c.c (m32c_return_addr_rtx)
1898 (m32c_expand_insv): Likewise.
1900 * config/m32r/m32r.c (m32r_setup_incoming_varargs)
1901 (m32r_legitimize_pic_address, m32r_print_operand)
1902 (m32r_print_operand_address): Likewise.
1904 * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
1905 * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
1906 (EH_RETURN_HANDLER_RTX): Likewise.
1907 * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
1908 (m68k_expand_epilogue, legitimize_pic_address)
1909 (m68k_output_mi_thunk): Likewise.
1910 * config/m68k/m68k.md: Likewise.
1912 * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
1913 (mcore_expand_epilog): Likewise.
1914 * config/mcore/mcore.md: Likewise.
1916 * config/mep/mep.c (mep_allocate_initial_value)
1917 (mep_expand_prologue, mep_expand_epilogue): Likewise.
1919 * config/microblaze/microblaze.c (double_memory_operand)
1920 (microblaze_block_move_loop): Likewise.
1922 * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
1923 (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
1924 (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
1925 (mips_expand_prologue, mips_epilogue_set_cfa)
1926 (mips_expand_epilogue): Likewise.
1927 * config/mips/mips.md: Likewise.
1929 * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
1930 (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
1932 * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
1933 (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
1935 * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
1936 (EH_RETURN_HANDLER_RTX): Likewise.
1937 * config/moxie/moxie.c (moxie_static_chain): Likewise.
1939 * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
1940 (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
1941 (pa_return_addr_rtx, hppa_builtin_saveregs)
1942 (pa_trampoline_init): Likewise.
1943 * config/pa/pa.md: Likewise.
1945 * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
1947 * config/picochip/picochip.c (picochip_static_chain): Likewise.
1949 * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
1950 * config/rs6000/rs6000.c (rs6000_legitimize_address)
1951 (setup_incoming_varargs, print_operand, rs6000_return_addr)
1952 (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
1953 (rs6000_emit_epilogue)
1954 (rs6000_machopic_legitimize_pic_address): Likewise.
1956 * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
1958 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
1959 (DYNAMIC_CHAIN_ADDRESS): Likewise.
1960 * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
1961 (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
1962 (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
1963 (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
1964 (s390_emit_epilogue, s390_function_profiler): Likewise.
1965 * config/s390/s390.md: Likewise.
1967 * config/score/score.c (score_add_offset, score_prologue): Likewise.
1969 * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
1970 (sh_output_mi_thunk): Likewise.
1971 * config/sh/sh.md: Likewise.
1973 * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
1974 (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
1975 * config/sparc/sparc.c (sparc_legitimize_pic_address)
1976 (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
1977 (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
1978 (emit_and_preserve): Likewise.
1979 * config/sparc/sparc.md: Likewise.
1981 * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1982 * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
1983 (spu_setup_incoming_varargs, ea_load_store_inline)
1984 (spu_expand_load): Likewise.
1986 * config/stormy16/stormy16.c (xstormy16_expand_prologue)
1987 (combine_bnp): Likewise.
1989 * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1990 * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
1991 (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
1993 * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1994 * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
1995 (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
1997 * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
1998 * config/v850/v850.md: Likewise.
2000 * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
2001 (EH_RETURN_HANDLER_RTX): Likewise.
2002 * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
2003 * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
2004 (print_operand_address, vax_trampoline_init): Likewise.
2006 * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
2007 (xtensa_function_value_regno_p): Likewise.
2009 2012-05-04 Andrew Pinski <apinski@cavium.com>
2011 * expr.c (get_def_for_expr_class): New function.
2012 (convert_tree_comp_to_rtx): New function.
2013 (expand_cond_expr_using_cmove): New function.
2014 (expand_expr_real_2 <case COND_EXPR>): Call
2015 expand_cond_expr_using_cmove first and return if it succeeds.
2016 Remove the check for HAVE_conditional_move since we should have
2017 already converted it to a conditional move.
2018 * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
2019 modes of DImode for 32bits and TImode.
2021 2012-05-04 Steven Bosscher <steven@gcc.gnu.org>
2024 * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
2025 (print_md_ptr_loc, print_c_condition): Use them.
2026 * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
2027 * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
2028 attr_file, dfa_file, latency_file): New global variables.
2029 (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
2030 write_upcase, write_indent, write_length_unit_log, write_test_expr,
2031 write_attr_get, write_insn_cases, write_eligible_delay,
2032 write_const_num_delay_slots): Accept FILE pointer and toss it around.
2034 (write_header, open_outfile, handle_arg): New funcions.
2035 (make_automaton_attrs): Write prototypes as extern to the output
2037 (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
2038 names from the command line. Open the output files and write out
2039 internal functions for DFA functions to dfa_file_name, insn latency
2040 functions to latency_file_name, and everything else to attr_file.
2041 * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
2042 (BACKEND): Build libbackend first.
2043 (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
2044 (.PRECIOUS): Likewise.
2045 (insn-dfatab.o): New rule.
2046 (insn-latencytab.o): New rule.
2047 (simple_rtl_generated_c): Do not include insn-attrtab.c.
2048 (s-attrtab): New rule.
2050 2012-05-04 Steven Bosscher <steven@gcc.gnu.org>
2052 * rtl.def (ATTR_FLAG): Remove probability indicating flags.
2053 * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
2054 ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
2055 * reorg.c (get_jump_flags): Do not set the removed flags.
2057 * doc/md.texi (attr_flag): Update for abovementioned changes.
2059 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2062 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
2063 (TARGET_CMOV): Rename from TARGET_CMOVE.
2064 (TARGET_CMOVE): New define.
2065 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
2066 Do not set TARGET_CMOVE here.
2068 2012-05-04 Dodji Seketeli <dodji@redhat.com>
2070 Enable -Wunused-local-typedefs when -Wall or -Wunused is on
2071 * opts.c (finish_options): Activate -Wunused-local-typedefs if
2072 -Wunused is activated.
2073 * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
2075 2012-05-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2077 * config/s390/s390.md (*movmem_short, *clrmem_short)
2078 (*cmpmem_short): Move the mode check from the insn condition to
2081 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2083 PR tree-optimization/52633
2084 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
2085 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
2086 (vect_recog_over_widening_pattern): Remove handling of code that was
2087 already detected as over-widening pattern. Remove special handling
2088 of "unsigned" cases. Instead, support general case of conversion
2089 of the shift result to another type.
2091 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2093 * tree-vect-patterns.c (vect_single_imm_use): New function.
2094 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
2095 (vect_recog_over_widening_pattern): Likewise.
2096 (vect_recog_widen_shift_pattern): Likewise.
2098 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
2100 * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
2101 (vect_handle_widen_op_by_const): Use it instead of open-coding test.
2102 (vect_recog_widen_mult_pattern): Likewise.
2103 (vect_operation_fits_smaller_type): Likewise.
2104 (vect_recog_over_widening_pattern): Likewise.
2105 (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
2107 2012-05-04 Richard Guenther <rguenther@suse.de>
2110 * lto-wrapper.c (merge_and_complain): Complain about mismatches
2111 of -freg-struct-return and -fpcc-struct-return.
2112 (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
2113 from the input file options and ignore those from the link
2116 2012-05-04 Richard Guenther <rguenther@suse.de>
2118 PR tree-optimization/53168
2119 * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
2120 memory reads when the result is a constant we can pun.
2122 2012-05-04 Richard Guenther <rguenther@suse.de>
2124 * common.opt (flto-report): Do not mark as Optimization.
2126 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
2129 * recog.c (constrain_operands): If extra constraints are present, also
2130 accept pseudo-registers with equivalent memory locations during reload.
2132 2012-05-04 Olivier Hainque <hainque@adacore.com>
2134 * collect2.c (may_unlink_output_file): New global.
2135 (maybe_unlink): Honor it.
2136 * collect2.h: Add extern for it.
2137 * tlink.c (do_tlink): Set it to true if the link succeeded.
2139 2012-05-04 Olivier Hainque <hainque@adacore.com>
2141 * gcc.c (eval_spec_function): Finalize/restore the current string
2142 obstack state as part of the context push/pop operations.
2144 2012-05-04 Bin Cheng <bin.cheng@arm.com>
2146 PR rtl-optimization/52804
2147 * reload1.c (reload_reg_reaches_end_p): Check whether successor
2148 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
2149 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
2150 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
2151 RELOAD_FOR_OUTADDR_ADDRESS.
2153 2012-05-04 Manuel López-Ibáñez <manu@gcc.gnu.org>
2156 * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
2157 for macro expansion.
2159 2012-05-03 Manuel López-Ibáñez <manu@gcc.gnu.org>
2161 * flags.h (flag_permissive): Do not declare.
2162 * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
2164 * toplev.c (flag_permissive): Do not define.
2165 * c-tree.h (system_header_p): Delete unused.
2167 2012-05-03 David S. Miller <davem@davemloft.net>
2170 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2171 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2172 (sparc_emit_float_lib_cmp): Likewise.
2174 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2177 * config/rs6000/rs6000.md (bswapdi splitters): If
2178 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2179 default) is used, generate an alternate sequence that does not
2180 depend on using indexed addressing.
2182 2012-05-03 Jason Merrill <jason@redhat.com>
2184 * gengtype.c (write_types): Fix warning message.
2185 (write_local): Likewise.
2187 2012-05-02 Jason Merrill <jason@redhat.com>
2189 * dwarf2out.c (struct external_ref, build_local_stub): New.
2190 (hash_external_ref, external_ref_eq, lookup_external_ref): New.
2191 (optimize_external_refs, optimize_external_refs_1): New.
2192 (change_AT_die_ref): New.
2193 (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
2194 (build_abbrev_table): Take the external refs hashtable.
2195 (output_comp_unit): Get it from optimize_external_refs and pass it in.
2197 2012-05-03 Jan Hubicka <jh@suse.cz>
2200 * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
2202 2012-05-03 Jan Hubicka <jh@suse.cz>
2205 * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
2207 2012-05-03 Jason Merrill <jason@redhat.com>
2209 * dwarf2out.c (die_struct): Add comdat_type_p flag. Use it instead of
2210 use_debug_types to discriminate the die_id union.
2211 (print_die, assign_symbol_names, copy_decls_walk): Likewise.
2212 (build_abbrev_table, output_die): Likewise.
2213 (prune_unused_types_walk_attribs): Likewise.
2214 (generate_type_signature, copy_declaration_context): Set it.
2215 (remove_child_or_replace_with_skeleton): Set it.
2216 (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
2217 check use_debug_types.
2218 (dwarf2out_finish): Do break_out_includes after .debug_types.
2220 2012-05-03 Jason Merrill <jason@redhat.com>
2222 * dwarf2out.c (modified_type_die): Use scope_die_for.
2223 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
2224 (uses_local_type_r, uses_local_type): New.
2225 (scope_die_for): Keep a type that uses a local type in local scope.
2226 Use get_context_die for namespace and type scope.
2228 2012-05-03 Jason Merrill <jason@redhat.com>
2230 * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
2232 * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
2233 (dwarf2out_finish): Likewise.
2235 2012-05-03 Martin Jambor <mjambor@suse.cz>
2237 * builtins.c (get_object_alignment_1): Return whether we can determine
2238 the alignment or conservatively assume byte alignment. Return the
2239 alignment by reference. Use get_pointer_alignment_1 for dereference
2241 (get_pointer_alignment_1): Return whether we can determine the
2242 alignment or conservatively assume byte alignment. Return the
2243 alignment by reference. Use get_ptr_info_alignment to get SSA name
2245 (get_object_alignment): Update call to get_object_alignment_1.
2246 (get_object_or_type_alignment): Likewise, fall back to type alignment
2247 only when it returned false.
2248 (get_pointer_alignment): Update call to get_pointer_alignment_1.
2249 * fold-const.c (get_pointer_modulus_and_residue): Update call to
2250 get_object_alignment_1.
2251 * ipa-prop.c (ipa_modify_call_arguments): Update call to
2252 get_pointer_alignment_1.
2253 * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
2254 of MEM_REF or TARGET_MEM_REF only when it returns false.
2255 * tree-ssa-ccp.c (get_value_from_alignment): Update call to
2256 get_object_alignment_1.
2257 (ccp_finalize): Use set_ptr_info_alignment.
2258 * tree.h (get_object_alignment_1): Update declaration.
2259 (get_pointer_alignment_1): Likewise.
2260 * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
2261 (dump_gimple_stmt): Likewise.
2262 * tree-flow.h (ptr_info_def): Updated comments of fields align and
2264 (get_ptr_info_alignment): Declared.
2265 (mark_ptr_info_alignment_unknown): Likewise.
2266 (set_ptr_info_alignment): Likewise.
2267 (adjust_ptr_info_misalignment): Likewise.
2268 * tree-ssa-address.c (copy_ref_info): Use new access functions to get
2269 and set alignment of SSA names.
2270 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
2271 mark_ptr_info_alignment_unknown.
2272 * tree-ssanames.c (get_ptr_info_alignment): New function.
2273 (mark_ptr_info_alignment_unknown): Likewise.
2274 (set_ptr_info_alignment): Likewise.
2275 (adjust_ptr_info_misalignment): Likewise.
2276 (get_ptr_info): Call mark_ptr_info_alignment_unknown.
2277 * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
2279 (bump_vector_ptr): Likewise.
2280 * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
2281 (vectorizable_store): Likewise.
2282 (vectorizable_load): Likewise.
2284 2012-05-03 Michael Matz <matz@suse.de>
2286 * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
2287 in front of basic_block_def.
2288 (struct basic_block_def): Make il.gimple the full struct, not a
2290 (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
2292 * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
2293 * gimple-iterator.c (gimple_stmt_iterator): Don't special case
2294 NULL il.gimple, which can't happen anymore.
2295 * gimple.h (bb_seq): il.gimple can't be NULL.
2296 (bb_seq_add): Ditto.
2297 (set_bb_seq): Adjust.
2298 (gsi_start_bb, gsi_last_bb): Tidy.
2299 * lto-streamer-in.c (make_new_block): Don't zero members that
2300 are zeroed already, don't allocate a gimple_bb_info.
2301 * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
2302 (remove_bb): Clear all il.gimple members.
2303 (gimple_verify_flow_info): Adjust for flat il.gimple.
2304 * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
2306 * coretypes.h (const_gimple_seq): Remove typedef.
2307 * gimple.h (gimple_seq_first): Take gimple_seq.
2308 (gimple_seq_first_stmt): Ditto.
2309 (gimple_seq_last): Ditto.
2310 (gimple_seq_last_stmt): Ditto.
2311 (gimple_seq_empty_p): Ditto.
2313 2012-05-03 Richard Guenther <rguenther@suse.de>
2315 * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
2317 (prune_clobbered_mems): Do it here. Do not uselessly sort expressions.
2318 (compute_avail): Do not add possibly trapping operations to
2319 EXP_GEN if they might not be executed in the block.
2321 2012-05-03 Uros Bizjak <ubizjak@gmail.com>
2323 * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
2325 2012-05-03 Steven Bosscher <steven@gcc.gnu.org>
2327 * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
2328 information as early as possible. Update dominance info instead of
2331 2012-05-03 Richard Guenther <rguenther@suse.de>
2333 * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
2334 (union_contains_value): Remove.
2335 (vro_valid_in_sets): Likewise.
2336 (op_valid_in_sets): New function.
2337 (valid_in_sets): Use op_valid_in_sets.
2338 (insert_into_preds_of_block): Move dumping ...
2339 (do_regular_insertion): ... here.
2340 (do_partial_partial_insertion): ... and here. Dump that
2341 we've found a partial partial redundancy.
2342 (insert): Dump the current insert iteration.
2344 2012-05-03 Jakub Jelinek <jakub@redhat.com>
2347 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2348 append program name to it and pass that as first argument
2349 to make_relative_prefix. Always pass standard_libexec_prefix
2350 as last argument to make_relative_prefix. If
2351 make_relative_prefix returns NULL, fall back to
2352 standard_libexec_prefix.
2355 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2359 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2360 mode, return that mode.
2363 * config/i386/i386-c.c (ix86_target_macros_internal): Don't
2364 define __ATOMIC_HLE_* macros here.
2365 (ix86_target_macros): But here, using cpp_define_formatted.
2367 2012-05-03 Richard Guenther <rguenther@suse.de>
2369 PR tree-optimization/53144
2370 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2372 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
2373 with SSA name values.
2374 (vn_reference_lookup_3): Adjust callers.
2376 2012-05-03 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
2378 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
2379 has_fma4 for AMD processors with both fma3 and fma4 support.
2381 2012-05-03 Kirill Yukhin <kirill.yukhin@intel.com>
2384 * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
2387 2012-05-03 Michael Matz <matz@suse.de>
2390 * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
2391 (dse_enter_block): Properly iterate the whole sequence even
2392 if the last statement was removed.
2394 2012-05-02 Steven Bosscher <steven@gcc.gnu.org>
2396 * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
2397 unset flag_jump_tables.
2398 * stmt.c (expand_case): Remove special flag_pic case conditional
2399 on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
2401 2012-05-02 Ulrich Weigand <ulrich.weigand@linaro.org>
2403 * common/config/s390/s390-common.c (s390_option_optimization_table):
2404 Enable -fsched-pressure using -fsched-pressure-algorithm=model by
2405 default when optimizing.
2407 2012-05-02 Martin Jambor <mjambor@suse.cz>
2410 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2411 of a variable when the contect is a function.
2413 2012-05-02 Michael Matz <matz@suse.de>
2415 * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
2416 * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
2417 (const_gimple_seq_node): Remove.
2418 (gimple_seq_node): Typedef as gimple.
2419 (struct gimple_statement_base): Add next and prev members,
2420 adjust all WORD markers in using structs.
2421 (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
2422 (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
2423 gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
2424 gimple are the same.
2425 (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
2427 (gimple_init_singleton): New function.
2428 (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
2429 (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
2431 (gsi_stmt_ptr): Remove.
2432 (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
2434 * gimple-iterator.c (update_bb_for_stmts): Take last parameter
2435 again, adjust for above changes.
2436 (update_call_edge_frequencies): Adjust for above changes.
2437 (gsi_insert_seq_nodes_before): Rewrite for new data structure.
2438 (gsi_insert_seq_nodes_after): Ditto.
2439 (gsi_split_seq_after): Ditto.
2440 (gsi_set_stmt): Ditto.
2441 (gsi_split_seq_before): Ditto.
2442 (gsi_remove): Ditto.
2443 (gsi_insert_seq_before_without_update): Don't free sequence.
2444 (gsi_insert_seq_after_without_update): Ditto.
2445 (gsi_replace): Assert some more invariants.
2446 (gsi_insert_before_without_update, gsi_insert_after_without_update):
2448 (gsi_for_stmt): Don't search for stmt.
2449 (gsi_insert_on_edge_immediate): Tidy.
2451 * gimple.c (gimple_alloc_k): Remove "sequences".
2452 (gimple_seq_cache): Remove.
2453 (gimple_alloc_stat): Make stmt a singleton sequence.
2454 (gimple_seq_alloc, gimple_seq_free): Remove.
2455 (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
2456 (gimple_copy): Ditto.
2457 * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
2458 create iterator from correct sequence.
2459 * tree-phinodes.c (make_phi_node): Make stmt a singleton.
2461 2012-05-02 Michael Matz <matz@suse.de>
2463 * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
2465 (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
2466 sequence, lazily allocate it.
2467 (bb_seq_addr): New function.
2468 (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
2469 (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
2470 (gsi_none): New function.
2471 (gsi_start_bb): Adjust.
2472 (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
2473 (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
2474 (gsi_last_bb): Adjust.
2476 * tree-flow-inline.h (phi_nodes_ptr): New function.
2478 * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
2479 datastructure and interface change.
2480 (gsi_insert_seq_before_without_update): Ditto.
2481 (gsi_insert_seq_nodes_after): Ditto.
2482 (gsi_insert_seq_after_without_update): Ditto.
2483 (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
2484 (gsi_split_seq_before): Ditto.
2485 (gsi_start_phis): Adjust.
2486 * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
2487 (vect_transform_loop): Ditto.
2488 * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
2489 gimple_seq_copy): Don't use gimple_seq_alloc.
2490 * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
2491 (gimplify_seq_add_seq): Ditto.
2492 * lto-streamer-in.c (make_new_block): Ditto.
2493 * tree-cfg.c (create_bb): Ditto.
2494 * tree-sra.c (initialize_parameter_reductions): Ditto.
2496 2012-05-02 Michael Matz <matz@suse.de>
2498 * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
2499 gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
2500 gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
2501 set_bb_seq): Move down to after gimple_statement_d definition.
2503 2012-05-02 Michael Matz <matz@suse.de>
2505 * gimple-fold.c (gimplify_and_update_call_from_tree): Use
2506 gsi_replace_with_seq, instead of inserting itself.
2507 * gimple-iterator.c (gsi_replace_with_seq): New function.
2508 * tree-ssa-forwprop.c (forward_propagate_comparison): Take
2509 iterator instead of statement, advance it.
2510 (ssa_forward_propagate_and_combine): Adjust call to above.
2512 2012-05-02 Michael Matz <matz@suse.de>
2514 * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
2516 * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
2517 * tree-nested.c (walk_gimple_omp_for): Ditto.
2518 * trans-mem.c (lower_transaction): Ditto.
2519 * tree-eh.c (do_return_redirection): Ditto.
2520 (do_goto_redirection): Ditto.
2521 (lower_try_finally_switch): Ditto.
2522 * gimplify.c (gimplify_stmt): Ditto.
2523 (gimplify_scan_omp_clauses): Ditto.
2524 (gimplify_omp_for): Ditto.
2525 (gimplify_function_tree): Ditto.
2526 * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
2527 * tree-mudflap.c (mf_decl_cache_locals): Ditto.
2528 (mf_build_check_statement_for): Ditto.
2529 (mx_register_decls): Ditto.
2530 * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
2531 and don't use itertors to append.
2532 (insert_stmts): Ditto.
2533 (insert_out_of_ssa_copy): Ditto.
2534 (insert_out_of_ssa_copy_on_edge): Ditto.
2536 2012-05-02 Michael Matz <matz@suse.de>
2538 * gimple.h (gimple_bind_body_ptr): New function.
2539 (gimple_bind_body): Use it.
2540 (gimple_catch_handler): Use gimple_catch_handler_ptr.
2541 (gimple_eh_filter_failure_ptr): New function.
2542 (gimple_eh_filter_failure): Use it.
2543 (gimple_eh_else_n_body_ptr): New function.
2544 (gimple_eh_else_n_body): Use it.
2545 (gimple_eh_else_e_body_ptr): New function.
2546 (gimple_eh_else_e_body): Use it.
2547 (gimple_try_eval_ptr): New function.
2548 (gimple_try_eval): Use it.
2549 (gimple_try_cleanup_ptr): New function.
2550 (gimple_try_cleanup): Use it.
2551 (gimple_wce_cleanup_ptr): New function.
2552 (gimple_wce_cleanup): Use it.
2553 (gimple_omp_body_ptr): New function.
2554 (gimple_omp_body): Use it.
2555 (gimple_omp_for_pre_body_ptr): New function.
2556 (gimple_omp_for_pre_body): Use it.
2557 (gimple_transaction_body_ptr): New function.
2558 (gimple_transaction_body): Use it.
2559 (gsi_split_seq_before): Adjust to return nothing and take pointer
2561 (gsi_set_stmt): Declare.
2562 (gsi_replace_with_seq): Declare.
2563 (walk_gimple_seq_mod): Declare.
2564 * function.h (struct function <gimple_body>): Use typedef gimple_seq.
2566 * gimple-iterator.c (gsi_set_stmt): New function.
2567 (gsi_split_seq_before): Return new sequence via pointer argument.
2568 (gsi_replace): Use gsi_set_stmt.
2570 * tree-ssa-loop-im.c (move_computations_stmt): First remove
2572 * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
2573 * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
2575 (reserve_phi_args_for_new_edge): Change call to above,
2578 * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
2579 (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
2580 iterators. Adjust call to lower_omp.
2581 (lower_lastprivate_clauses): Adjust call to lower_omp.
2582 (lower_reduction_clauses): Ditto.
2583 (expand_omp_taskreg): Nullify non-cfg body of child_fn.
2584 (lower_omp_sections): Don't explicitely count sequence length,
2585 nullify lowered bodies earlier, ensure stmts are part of only
2586 one sequence, adjust call to lower_omp.
2587 (lower_omp_single): Ensure stmts are part of only one sequence,
2588 adjust call to lower_omp.
2589 (lower_omp_master): Ditto.
2590 (lower_omp_ordered): Ditto.
2591 (lower_omp_critical): Ditto.
2592 (lower_omp_for): Ditto.
2593 (lower_omp_taskreg): Ditto, tidy.
2594 (lower_omp_1): Adjust calls to lower_omp.
2595 (execute_lower_omp): Ditto.
2596 (lower_omp): Adjust to take pointer to sequence.
2597 (diagnose_sb_2): Use walk_gimple_seq_mod.
2598 (diagnose_omp_structured_block_errors): Ditto and set possibly
2599 changed function body.
2600 * gimple-low.c (lower_function_body): Set function body after
2602 (lower_sequence): Adjust to take pointer to sequence.
2603 (lower_omp_directive): Ensure stmt isn't put twice into the
2604 sequence, adjust call to lower_sequence.
2605 (lower_stmt): Adjust calls to lower_sequence.
2606 (lower_gimple_bind): Ditto.
2607 (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
2608 * tree-nested.c (walk_body): Take pointer to sequence, use
2609 walk_gimple_seq_mod.
2610 (walk_function): Adjust call to walk_body, set possibly changed body.
2611 (walk_gimple_omp_for): Adjust calls to walk_body.
2612 (convert_nonlocal_omp_clauses): Ditto.
2613 (convert_nonlocal_reference_stmt): Ditto.
2614 (convert_local_omp_clauses): Ditto.
2615 (convert_local_reference_stmt): Ditto.
2616 (convert_tramp_reference_stmt): Ditto.
2617 (convert_gimple_call): Ditto.
2618 (convert_nl_goto_reference): Use local iterator copy.
2619 * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
2620 but taking pointer to sequence, ensure gsi_start is called with
2622 (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
2623 asserting that the sequence head didn't change.
2624 (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
2625 walk_gimple_seq_mod.
2626 * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
2627 (execute_lower_tm): Ditto, and set possibly changed body.
2628 * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
2629 call gsi_start with that lvalue.
2630 (replace_goto_queue_stmt_list): Ditto.
2631 (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
2632 (replace_goto_queue): Ditto.
2633 (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
2634 (lower_try_finally_onedest): Ditto.
2635 (lower_try_finally_copy): Ditto.
2636 (lower_try_finally_switch): Ditto.
2637 (lower_try_finally): Ditto.
2638 (lower_eh_filter): Ditto.
2639 (lower_eh_must_not_throw): Ditto.
2640 (lower_cleanup): Ditto.
2641 (lower_eh_constructs_2): Ditto.
2642 (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
2643 (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
2644 set possibly changed body.
2645 (optimize_double_finally): Call gsi_start with lvalue.
2647 * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
2648 (gimple_split_block): Ditto.
2649 (gimple_merge_blocks): Use gsi_start_phis.
2650 (move_stmt_r): Use walk_gimple_seq_mod.
2651 * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
2652 * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
2653 (rebuild_cgraph_edges): Ditto.
2654 (cgraph_rebuild_references): Ditto.
2655 * ipa-prop.c (ipa_analyze_params_uses): Ditto.
2656 * tree-inline.c (copy_phis_for_bb): Ditto.
2657 * tree-ssa-dce.c: Ditto.
2659 * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
2661 2012-05-02 Kirill Yukhin <kirill.yukhin@intel.com>
2662 Andi Kleen <ak@linux.intel.com>
2664 * coretypes.h (MEMMODEL_MASK): New.
2665 * builtins.c (get_memmodel): Add val. Call target.memmodel_check
2666 and return new variable.
2667 (expand_builtin_atomic_exchange): Mask memmodel values.
2668 (expand_builtin_atomic_compare_exchange): Ditto.
2669 (expand_builtin_atomic_load): Ditto.
2670 (expand_builtin_atomic_store): Ditto.
2671 (expand_builtin_atomic_clear): Ditto.
2672 * doc/extend.texi: Mention port-dependent memory model flags.
2673 * config/i386/cpuid.h (bit_HLE): New.
2674 * config/i386/driver-i386.c (host_detect_local_cpu): Detect
2676 * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
2677 * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
2678 (ix86_target_string)<-mhle>: New.
2679 (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
2680 * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
2681 (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
2682 (ix86_option_override_internal) <PTA_HLE>: New switch, set it
2683 enabled for generic, generic64 and core-avx2.
2684 (ix86_print_operand): Generate HLE lock prefixes.
2685 (ix86_memmodel_check): New.
2686 (TARGET_MEMMODEL_CHECK): Ditto.
2687 * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
2688 (IX86_HLE_ACQUIRE): Ditto.
2689 (IX86_HLE_RELEASE): Ditto.
2690 * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
2691 * config/i386/i386.opt (mhle): Ditto.
2692 * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
2693 success model to instruction emitter.
2694 (atomic_fetch_add<mode>): Ditto.
2695 (atomic_exchange<mode>): Ditto.
2696 (atomic_add<mode>): Ditto.
2697 (atomic_sub<mode>): Ditto.
2698 (atomic_<code><mode>): Ditto.
2699 (*atomic_compare_and_swap_doubledi_pic): Ditto.
2700 (atomic_compare_and_swap_single<mode>): Define and use argument
2702 (atomic_compare_and_swap_double<mode>): Ditto.
2703 * configure.ac: Check if assembler support HLE prefixes.
2704 * configure: Regenerate.
2707 2012-05-02 Steven Bosscher <steven@gcc.gnu.org>
2710 * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
2712 (gimplify_switch_expr): ... here.
2713 * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
2714 * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
2715 to clean up case labels with values outside the index type range.
2716 (simplify_gimple_switch): Call it if something changed.
2717 Remove strange and unnecessary assert.
2719 2012-05-02 Richard Guenther <rguenther@suse.de>
2721 * fold-const.c (div_if_zero_remainder): sizetypes no longer
2723 (int_const_binop_1): New worker for int_const_binop with
2724 overflowable parameter. Pass it through to force_fit_type_double.
2725 (int_const_binop): Wrap around int_const_binop_1 with overflowable
2727 (size_binop_loc): Call int_const_binop_1 with overflowable equal
2728 to minus one, forcing overflow detection for even unsigned types.
2729 (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
2730 (fold_binary_loc): Call try_move_mult_to_index with signed offset.
2731 * stor-layout.c (initialize_sizetypes): sizetypes no longer
2733 (layout_type): For zero-sized arrays ignore overflow on the
2735 * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
2736 (bit_value_binop_1): Likewise.
2737 * tree.c (double_int_to_tree): Likewise.
2738 (double_int_fits_to_tree_p): Likewise.
2739 (force_fit_type_double): Likewise.
2740 (host_integerp): Likewise.
2741 (int_fits_type_p): Likewise.
2742 * varasm.c (output_constructor_regular_field): Sign-extend the
2743 field-offset to cater for negative offsets produced by the Ada
2745 * omp-low.c (extract_omp_for_data): Convert the loop step to
2746 signed for pointer adjustments.
2748 2012-05-02 Richard Guenther <rguenther@suse.de>
2750 * tree.c (valid_constant_size_p): New function.
2751 * tree.h (valid_constant_size_p): Declare.
2752 * cfgexpand.c (expand_one_var): Adjust check for too large
2753 variables by using valid_constant_size_p.
2754 * varasm.c (assemble_variable): Likewise.
2756 * c-decl.c (grokdeclarator): Properly check for sizes that
2757 cover more than half of the address-space.
2759 2012-05-02 Jakub Jelinek <jakub@redhat.com>
2761 PR tree-optimization/53163
2762 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2763 return value from compute_all_dependences.
2765 PR rtl-optimization/53160
2766 * ree.c (combine_reaching_defs): Handle the case where cand->insn
2767 has been modified by ree pass already.
2769 2012-05-01 Ian Lance Taylor <iant@google.com>
2772 * c-decl.c (build_compound_literal): Make the decl readonly if it
2773 an array of a readonly type.
2774 * gimplify.c (gimplify_compound_literal_expr): Add fallback
2775 parameter. Change all callers. If the decl is not addressable
2776 and is not an l-value, make it readonly.
2778 2012-05-01 Bernd Schmidt <bernds@codesourcery.com>
2780 * ira.c (allocated_reg_info_size): New static variable.
2781 (expand_reg_info): Manage it. Call
2782 setup_preferred_alternate_classes_for_new_pseudos.
2783 (ira): Don't do it here. Remove local allocated_reg_info_size,
2784 set the global before calling find_moveable_pseudos.
2785 (find_moveable_pseudos): Call expand_reg_info rather than
2788 2012-05-01 Richard Henderson <rth@redhat.com>
2790 * common.opt (fsync-libcalls): New.
2791 * doc/invoke.texi: Document it.
2792 * optabs.c (init_sync_libfuncs): Honor it.
2794 2012-05-01 Kenneth Zadeck <zadeck@naturalbridge.com>
2795 Richard Sandiford <r.sandiford@uk.ibm.com>
2797 PR rtl-optimization/52543
2798 * Makefile.in (lower-subreg.o, target-globals.o): Depend on
2800 * lower-subreg.h: New file.
2801 * target-globals.h (this_target_lower_subreg): Declare.
2802 (target_globals): Add lower_subreg;
2803 (restore_target_globals): Restore this_target_lower_subreg.
2804 * target-globals.c: Include it.
2805 (default_target_globals): Add default_target_lower_subreg.
2806 (save_target_globals): Initialize target_lower_subreg.
2807 * rtl.h (init_lower_subreg): Added declaration.
2808 * toplev.c (backend_init_target): Call initializer for lower-subreg
2810 * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
2811 (default_target_lower_subreg): New variable.
2812 (this_target_lower_subreg): Likewise.
2813 (twice_word_mode, choices): New macros.
2814 (shift_cost, compute_splitting_shift, compute_costs)
2815 (init_lower_subreg): New functions.
2816 (resolve_simple_move): Add speed_p argument. Check choices.
2817 (find_pseudo_copy): Don't check the mode size here.
2818 (resolve_simple_move): Assert the mode size.
2819 (find_decomposable_shift_zext): Add speed_p argument and return
2820 a bool. Check choices.
2821 (resolve_shift_zext): Add comment.
2822 (dump_shift_choices, dump_choices): New functions.
2823 (decompose_multiword_subregs): Dump list of profitable
2824 transformations. Add code to skip non profitable transformations.
2825 Update calls to simple_move and find_decomposable_shift_zext.
2827 2012-05-01 Ian Bolton <ian.bolton@arm.com>
2828 Sameera Deshpande <sameera.deshpande@arm.com>
2829 Greta Yorsh <greta.yorsh@arm.com>
2831 * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
2832 (thumb1_unexpanded_epilogue): ...this.
2833 * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
2834 (thumb1_unexpanded_epilogue): ...this.
2835 * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
2836 (thumb1_unexpanded_epilogue): ...this.
2838 2012-05-01 Richard Earnshaw <rearnsha@arm.com>
2840 * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
2841 comparing enumeration values. Update comments.
2843 2012-05-01 Alan Modra <amodra@gmail.com>
2846 * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
2847 load_cr_save, add_crlr_cfa_restore): New functions.
2848 (rs6000_restore_saved_cr): Rename to..
2849 (restore_saved_cr): ..this. Add cfa_restore notes for cr.
2850 (rs6000_emit_epilogue): Use new functions. Adjust condition
2851 for emitting lr and cr cfa_restore. Emit cfa_restores for fp
2852 regs when using out-of-line restore only when shrink wrapping.
2854 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2857 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2858 calls to cgraph_node_name in xstrdup.
2859 (ipa_make_edge_direct_to_target): Ditto.
2860 * cgraph.c (dump_cgraph_node): Ditto.
2861 * tree-sra.c (convert_callers_for_node): Ditto.
2862 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2863 * ipa-cp.c (perhaps_add_new_callers): Ditto.
2864 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2865 (cgraph_materialize_all_clones): Ditto.
2866 * ipa-inline.c (report_inline_failed_reason): Ditto.
2867 (want_early_inline_function_p): Ditto.
2868 (edge_badness): Ditto.
2869 (update_edge_key): Ditto.
2870 (flatten_function): Ditto.
2871 (ipa_inline): Ditto.
2872 (inline_always_inline_functions): Ditto.
2873 (early_inline_small_functions): Ditto.
2875 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2878 * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
2879 constraints 0 and 1.
2881 012-04-30 Jan Hubicka <jh@suse.cz>
2883 * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
2884 (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
2885 (cgraph_add_to_same_comdat_group): Remove.
2886 (cgraph_add_asm_node): Move to cgraphunit.c.
2887 (cgraph_make_decl_local): Move to symtab.c
2888 (cgraph_make_node_local_1): Update.
2889 (cgraph_can_remove_if_no_direct_calls_and): Update.
2890 (used_from_object_file_p): Update.
2891 (resolution_used_from_other_file_p): Move to symtab.c
2892 (cgraph_used_from_object_file_p): move to symtab.c
2893 (verify_cgraph_node): Verify same comdat groups.
2894 * cgraph.h (cgraph_asm_node): Rename to ...
2895 (asm_node): ... this one.
2896 (cgraph_asm_nodes): Rename to ...
2897 (asm_nodes): ... this one.
2898 (symtab_add_to_same_comdat_group): New function.
2899 (symtab_dissolve_same_comdat_group_list): New function.
2900 (symtab_used_from_object_file_p): Declare.
2901 (symtab_make_decl_local): Declare.
2902 (cgraph_add_to_same_comdat_group): Remove.
2903 (cgraph_add_asm_node): Remove.
2904 (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
2906 (cgraph_finalize_compilation_unit): Rename to ...
2907 (finalize_compilation_unit): ... this one.
2908 (cgraph_optimize): Rename to ....
2909 (compile): ... this one.
2910 (add_asm_node): Declare.
2911 (fixup_same_cpp_alias_visibility): Declare.
2912 (cgraph_make_decl_local): Remove.
2913 (varpool_assemble_pending_decls): Rename to ...
2914 (varpool_output_variables): ... this one.
2915 (varpool_remove_unreferenced_decls): Remove.
2916 * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
2917 (preserve_function_body_p): Make static.
2918 * toplev.c (compile_file): Update comments; update.
2919 * cgraphunit.c: Update comments.
2920 (cgraph_expand_all_functions): Rename to ...
2921 (expand_all_functions): ... this one; update.
2922 (cgraph_mark_functions_to_output): Rename to ...
2923 (mark_functions_to_output): ... this one; cleanup.
2924 (cgraph_output_pending_asms): Remove prototype.
2925 (asm_nodes, asm_last_node): New static vars.
2926 (cgraph_process_new_functions): Update.
2927 (cgraph_reset_node): Cleanup; add comment.
2928 (cgraph_add_new_function): Update.
2929 (cgraph_output_pending_asms): Rename to ...
2930 (output_asm_statements): ... this one.
2931 (add_asm_node): New function.
2932 (fixup_same_cpp_alias_visibility): New function based on code
2933 in cgraph_analyze_function.
2934 (cgraph_analyze_function): Use it.
2935 (cgraph_order_sort): Update.
2936 (cgraph_output_in_order): Update.
2937 (cgraph_function_versioning): Update.
2938 (cgraph_optimize): Rename to ...
2939 (compile): ... this one; initialize streamer hooks here.
2940 (cgraph_finalize_compilation_unit): Rename to ...
2941 (finalize_compilation_unit): ... this one; do not initialize streamer
2943 * lto-streamer-out.c (lto_output_toplevel_asms): Update.
2944 * dwarf2out.c: Update ocmment.
2945 * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
2946 * method.c (use_thunk): Likewise.
2947 * semantics.c (maybe_add_lambda_conv_op): Likewise.
2948 * decl2.c (maybe_emit_vtables): Likewise.
2949 (cp_write_global_declarations): Use finalize_compilation_unit.
2950 * parser.c (cp_parser_asm_definition): Use add_asm_node.
2951 * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
2952 * c-decl.c (c_write_global_declarations): Use
2953 finalize_compilation_unit.
2954 * langhooks.c (write_global_declarations): Update.
2955 * ipa.c (cgraph_externally_visible_p): Update.
2956 (dissolve_same_comdat_group_list): Remove.
2957 (function_and_variable_visibility): Update.
2958 * symtab.c: Inlcude lto-streamer.h and rtl.h
2959 (ld_plugin_symbol_resolution_names): New.
2960 (symtab_add_to_same_comdat_group): New.
2961 (symtab_dissolve_same_comdat_group_list): New.
2962 (resolution_used_from_other_file_p): Move here from cgraph.c
2963 (symtab_used_from_object_file_p): New.
2964 (symtab_make_decl_local): New.
2965 * passes.c (register_pass): Update comments.
2966 * c-parser.c (c_parser_asm_definition): Update.
2967 * varpool.c (varpool_analyze_node): Use
2968 fixup_same_cpp_alias_visibility.
2969 (varpool_remove_unreferenced_decls): Make static.
2970 (varpool_assemble_pending_decls): Rename to ...
2971 (varpool_output_variables): ... this one; call
2972 varpool_remove_unreferenced_decls.
2973 (varpool_used_from_object_file_p): Remove.
2975 2012-04-30 Marc Glisse <marc.glisse@inria.fr>
2978 * c-typeck.c (build_array_ref): Call
2979 convert_vector_to_pointer_for_subscript.
2980 * doc/extend.texi (Vector Extensions): Subscripting not just for C.
2982 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2984 * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
2985 to compile-time "mode == <MODE>mode" checks.
2986 (and splitter): Ditto.
2988 2012-04-30 Richard Henderson <rth@redhat.com>
2990 * config/arm/arm.md (UNSPEC_LL): New.
2991 * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
2992 (arm_load_exclusivedi): Use %H0.
2994 2012-04-30 Jason Merrill <jason@redhat.com>
2996 * dwarf2out.c (comdat_symbol_id): Add const.
2997 (union die_symbol_or_type_node): Add const to die_symbol.
2998 (output_die_symbol, output_die, output_comp_unit): Adjust.
3000 2012-04-30 Andrew Stubbs <ams@codesourcery.com>
3002 * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
3003 * config/arm/neon.md (negdi2_neon): New insn.
3004 Also add splitters for core and NEON registers.
3006 2012-04-30 Andrew Stubbs <ams@codesourcery.com>
3008 * config/arm/arm.c (neon_valid_immediate): Allow const_int.
3009 (arm_print_operand): Add 'x' format.
3010 * config/arm/constraints.md (Dn): Allow const_int.
3011 * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
3012 Use 'x' format to print constants.
3013 * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
3014 * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
3016 (movdi_vfp_cortexa8): Likewise.
3018 2012-04-30 Ian Bolton <ian.bolton@arm.com>
3019 Sameera Deshpande <sameera.deshpande@arm.com>
3020 Greta Yorsh <greta.yorsh@arm.com>
3022 * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
3023 * config/arm/arm.c (ldm_stm_operation_p): New function.
3024 * config/arm/predicates.md (load_multiple_operation): Update predicate.
3025 (store_multiple_operation): Likewise.
3027 * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
3028 * config/arm/arm.c (ldm_stm_operation_p): New parameters.
3029 * config/arm/predicates.md (load_multiple_operation): Add arguments.
3030 (store_multiple_operation): Likewise.
3032 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
3034 * config/i386/i386.md (and<mode>3): Expand masking operations with
3035 0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
3036 (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
3038 2012-04-30 Dodji Seketeli <dodji@redhat.com>
3040 Add -Wvarargs option
3041 * builtins.c (fold_builtin_next_arg): Use OPT_Wvarargs as an
3042 argument for the various warning_at calls.
3043 * docs/invoke.texi: Update the documentation.
3045 2012-04-30 Dodji Seketeli <dodji@redhat.com>
3047 Switch -ftrack-macro-expansion=2 on by default.
3048 * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
3051 Fix va_start related location
3052 * builtins.c (fold_builtin_next_arg): Unwinds to the first
3053 location in real source code.
3055 Make conversion warnings work on NULL with -ftrack-macro-expansion
3056 * input.h (expansion_point_location_if_in_system_header): Declare
3058 * input.c (expansion_point_location_if_in_system_header): Define it.
3060 Fix -Wuninitialized for -ftrack-macro-expansion
3061 * tree-ssa.c (warn_uninit): Use the spelling location of the variable
3062 declaration. Use linemap_location_before_p for source locations.
3064 Strip "<built-in>" loc from displayed expansion context
3065 * input.c (expand_location_1): When expanding to spelling location
3066 in a context of a macro expansion, skip reserved system header
3067 locations. Update comments. * tree-diagnostic.c
3068 (maybe_unwind_expanded_macro_loc): Likewise.
3070 Make expand_location resolve to locus in main source file
3071 * input.c (expand_location_1): New. Takes a parameter to choose
3072 whether to resolve the location to spelling or expansion point.
3073 Was factorized from ...
3074 (expand_location): ... here.
3075 (expand_location_to_spelling_point): New. Implemented in terms of
3077 * diagnostic.c (diagnostic_build_prefix): Use the new
3078 expand_location_to_spelling_point instead of expand_location.
3080 Fix PCH crash on GTYed pointer-to-scalar field of a struct
3081 * gengtype.c (write_types_process_field): Force second argument of
3082 the call to the PCH object hierarchy walker to be 'x'.
3084 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
3086 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
3087 predicate to discriminate types.
3089 2012-04-30 Manuel López-Ibáñez <manu@gcc.gnu.org>
3091 * doc/invoke.texi (Wmissing-format-attribute): Document as an
3092 alias of Wsuggest-attribute=format.
3093 * c-typeck.c (convert_for_assignment): Replace
3094 Wmissing-format-attribute with Wsuggest-attribute=format.
3095 (digest_init): Likewise.
3097 2012-04-29 Manuel López-Ibáñez <manu@gcc.gnu.org>
3099 * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
3100 * common.opt (Wmissing-noreturn): Alias of
3101 -Wsuggest-attribute=noreturn.
3103 2012-04-29 Hans-Peter Nilsson <hp@axis.com>
3106 * config/cris/cris.md (andqu): New peephole2.
3107 (andu): Tweak head comment.
3109 2012-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
3110 Steven Bosscher <steven@gcc.gnu.org>
3111 Maxim Kuvyrkov <maxim@codesourcery.com>
3113 PR tree-optimization/38785
3114 * common.opt (ftree-partial-pre): New option.
3115 * doc/invoke.texi: Document it.
3116 * opts.c (default_options_table): Initialize flag_tree_partial_pre.
3117 * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
3119 (execute_pre): Use flag_tree_partial_pre.
3121 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3124 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
3127 2012-04-27 Ollie Wild <aaw@google.com>
3129 * doc/invoke.texi (Wliteral-suffix): Document new option.
3131 2012-04-27 Tom Tromey <tromey@redhat.com>
3133 * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
3134 (dwarf_tag_name): Use get_DW_TAG_name.
3135 (dwarf_attr_name): Use get_DW_AT_name.
3136 (dwarf_form_name): Use get_DW_FORM_name.
3137 * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
3139 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
3141 * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
3142 arguments are -1 and 0, by negating the result of the conditional.
3144 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
3147 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
3149 2012-04-27 Richard Guenther <rguenther@suse.de>
3151 * tree-flow.h (is_hidden_global_store): Remove.
3152 * tree-ssa-sink.c (is_hidden_global_store): Likewise.
3153 * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
3154 (stmt_may_clobber_global_p): Likewise.
3155 * tree-ssa-alias.c (ref_may_alias_global_p): New function.
3156 (stmt_may_clobber_global_p): Likewise.
3157 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
3158 stmt_may_clobber_global_p.
3159 * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
3161 2012-04-27 Steven Bosscher <steven@gcc.gnu.org>
3163 * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
3166 * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
3167 reorganize some fields and update comments. Rename bit_test_uniq
3168 and bit_test_count to uniq resp. count. Remove bit_test_bb.
3169 (collect_switch_conv_info): New function, collects info about a
3170 GIMPLE_SWITCH into a struct switch_conv_info.
3171 (check_range): Simplify to use pre-recorded info. Fix think-o in
3172 range-branch ratio check.
3173 (check_process_case): Remove function.
3174 (check_all_empty_except_final): New function, verifies that all
3175 non-final basic blocks are empty.
3176 (process_switch): Simplify to use pre-recorded info. Call
3177 collect_switch_conv_info to do that. Assert that degenerate switch
3178 statements have been cleaned up.
3180 2012-04-27 Marc Glisse <marc.glisse@inria.fr>
3183 * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
3185 2012-04-25 Manuel López-Ibáñez <manu@gcc.gnu.org>
3188 * c-typeck.c (pop_init_level): Use %qD instead of %qT.
3190 2012-04-27 Tom de Vries <tom@codesourcery.com>
3192 PR tree-optimization/51879
3193 * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
3194 * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
3196 (defs_to_varying): ... here. Don't set use_processed.
3197 (visit_reference_op_call): Handle gimple_vdef.
3198 Handle case that lhs is NULL_TREE.
3199 (visit_use): Use mark_use_processed. Handle calls with side-effect
3200 using visit_reference_op_call.
3202 2012-04-26 Richard Sandiford <richard.sandiford@linaro.org>
3204 * sched-deps.c (fixup_sched_groups): Rename to...
3205 (chain_to_prev_insn): ...this.
3206 (chain_to_prev_insn_p): New function.
3207 (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
3209 2012-04-26 Richard Sandiford <richard.sandiford@linaro.org>
3211 * sched-int.h (_haifa_insn_data): Move priority_status.
3213 (INSN_MODEL_INDEX): New macro.
3214 * haifa-sched.c (insn_delay): New function.
3215 (sched_regno_pressure_class): Update commentary.
3216 (mark_regno_birth_or_death): Pass the liveness bitmap and
3217 pressure array as arguments, instead of using curr_reg_live and
3218 curr_reg_pressure. Only update the pressure if the bit in the
3219 liveness set has changed.
3220 (initiate_reg_pressure_info): Always trust the live-in set for
3221 SCHED_PRESSURE_MODEL.
3222 (initiate_bb_reg_pressure_info): Update call to
3223 mark_regno_birth_or_death.
3224 (dep_list_size): Take the list as argument.
3225 (calculate_reg_deaths): New function, extracted from...
3226 (setup_insn_reg_pressure_info): ...here.
3227 (MODEL_BAR): New macro.
3228 (model_pressure_data, model_insn_info, model_pressure_limit)
3229 (model_pressure_group): New structures.
3230 (model_schedule, model_worklist, model_insns, model_num_insns)
3231 (model_curr_point, model_before_pressure, model_next_priority):
3233 (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
3234 (MODEL_INSN_INFO, MODEL_INSN): New macros.
3235 (model_index, model_update_limit_points_in_group): New functions.
3236 (model_update_limit_points, model_last_use_except): Likewise.
3237 (model_start_update_pressure, model_update_pressure): Likewise.
3238 (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
3239 (model_excess_cost, model_dump_pressure_points): Likewise.
3240 (model_set_excess_costs): Likewise.
3241 (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
3242 SCHED_PRIORITY_MODEL. Use insn_delay. Use the order in the model
3243 schedule as an alternative tie-breaker. Update the call to
3245 (ready_sort): Call model_set_excess_costs.
3246 (update_register_pressure): Update call to mark_regno_birth_or_death.
3247 Rely on that function to check liveness rather than doing it here.
3248 (model_classify_pressure, model_order_p, model_add_to_worklist_at)
3249 (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
3250 (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
3251 (model_record_pressure, model_record_pressures): New functions.
3252 (model_record_final_pressures, model_add_successors_to_worklist)
3253 (model_promote_predecessors, model_choose_insn): Likewise.
3254 (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
3255 (model_start_schedule, model_finalize_pressure_group): Likewise.
3256 (model_end_schedule): Likewise.
3257 (schedule_insn): Say when we're scheduling the next instruction
3258 in the model schedule.
3259 (schedule_insn): Handle SCHED_PRESSURE_MODEL.
3260 (queue_to_ready): Do not add instructions that are
3261 MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
3262 Always allow the next instruction in the model schedule to be added.
3263 (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
3264 and delay for SCHED_PRESSURE_MODEL too.
3265 (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
3266 SCHED_PRIORITY_MODEL, but also take the DFA into account.
3267 (schedule_block): Call model_start_schedule and model_end_schedule.
3268 Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
3269 (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3270 to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
3272 (sched_finish): Update accordingly.
3273 (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3274 to SCHED_PRESSURE_MODEL.
3275 (add_jump_dependencies): Update call to dep_list_size.
3276 (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
3277 (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3278 to SCHED_PRESSURE_MODEL.
3279 * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
3280 allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
3281 (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
3282 handling to SCHED_PRESSURE_MODEL.
3284 2012-04-26 Richard Sandiford <richard.sandiford@linaro.org>
3286 * common.opt (fsched-pressure-algorithm=): New option.
3287 * flag-types.h (sched_pressure_algorithm): New enum.
3288 * sched-int.h (sched_pressure_p): Replace with...
3289 (sched_pressure): ...this new variable.
3290 * haifa-sched.c (sched_pressure_p): Replace with...
3291 (sched_pressure): ...this new variable.
3292 (sched_regno_pressure_class, rank_for_schedule, ready_sort)
3293 (update_reg_and_insn_max_reg_pressure, schedule_insn)
3294 (debug_ready_list, prune_ready_list, schedule_block, sched_init)
3295 (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
3296 * sched-deps.c (init_insn_reg_pressure_info): Likewise.
3297 (sched_analyze_insn): Likewise.
3298 * sched-rgn.c (schedule_region): Likewise.
3299 * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
3301 2012-04-26 Bernd Schmidt <bernds@codesourcery.com>
3303 * PR middle-end/52997
3304 * ira.c (find_moveable_pseudos): Call resize_reg_info.
3307 * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
3308 * expr.c (convert_move): Honor unsignedp when extending partial int
3310 * genmodes.c (complete_mode): Don't clear component field of partial
3312 (emit_mode_inner): Don't emit it however.
3313 (calc_wider_mode): Partial int modes widen to their component.
3315 2012-04-26 David S. Miller <davem@davemloft.net>
3317 * config/sparc/niagara4.md: New file.
3318 * config/sparc/sparc.md: Include it.
3319 * config/sparc/sparc.c (niagara4_costs): New processor costs.
3320 (sparc_option_override): Use it.
3321 (sparc_use_sched_lookahead): Return 2 for niagara4.
3322 (sparc_issue_rate): Likewise.
3324 * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
3325 (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
3326 (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
3327 fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
3328 (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
3329 alignaddrldi_vis): Set type to gsr.
3330 (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
3331 (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
3332 cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
3333 v<vis3_shift_patname><mode>3, fmean16_vis,
3334 fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
3335 fucmp<code>8<P:mode>_vis): Set type to fga.
3336 * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
3337 * config/sparc/niagara.md: Likewise.
3338 * config/sparc/niagara2.md: Likewise.
3339 * config/sparc/ultra3.md: Likewise, and fix type matching for
3340 us3_ialuX reservation.
3342 2012-04-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3344 * reload.c (find_reloads): Change the loop nesting when trying an
3345 alternative with swapped operands.
3347 2012-04-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3349 * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
3350 comment. Delete unused parameter first_exp_point_map.
3351 (virt_loc_aware_diagnostic_finalizer): Update call.
3353 2012-04-26 Michael Hope <michael.hope@linaro.org>
3354 Richard Earnshaw <rearnsha@arm.com>
3356 * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
3357 (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
3358 (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
3359 (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
3361 2012-04-25 Sriraman Tallam <tmsriram@google.com>
3363 * doc/extend.texi: Document avx2 support.
3364 * config/i386/i386.c (fold_builtin_cpu): Add avx2.
3366 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
3369 * config/cris/cris.md ("*andhi_lowpart_v32")
3370 ("*andqi_lowpart_v32"): Change first input-only operand from
3371 a (match_operand ...) to (match_dup 0). Drop alternatives with
3372 const_int-matching constraints for redundancy.
3373 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
3374 three-operand alternative.
3376 2012-04-25 Jakub Jelinek <jakub@redhat.com>
3379 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
3380 instead expand it as zero extension.
3382 2012-04-25 H.J. Lu <hongjiu.lu@intel.com>
3385 * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
3387 2012-04-25 Jakub Jelinek <jakub@redhat.com>
3389 * common.opt (flag_debug_types_section): Default to 0.
3390 (dwarf_version): Default to 4.
3391 (dwarf_record_gcc_switches): Default to 1.
3392 (dwarf_strict): Default to 0.
3393 * toplev.c (process_options): Don't handle dwarf_strict
3394 or dwarf_version here.
3395 * config/vxworks.c (vxworks_override_options): Don't
3396 test whether dwarf_strict or dwarf_version are negative,
3397 instead test !global_options_set.x_dwarf_*.
3398 * config/darwin.c (darwin_override_options): Default to
3400 * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
3401 and -fno-debug-types-section are now the default.
3403 2012-04-25 Jan Hubicka <jh@suse.cz>
3405 * cgraphunit.c: Update toplevel comment.
3406 (tree_rest_of_compilation): Merge into cgraph_expand_function.
3407 (cgraph_analyze_function): Make static.
3408 (cgraph_decide_is_function_needed): Make static.
3409 (cgraph_add_new_function): Use expand_function instead of
3410 rest_of_compilation.
3411 (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
3412 verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
3414 (cgraph_inline_p): Remove.
3415 (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
3416 (init_cgraph): Add comment.
3417 * cgraphbuild.c (record_reference, mark_address, mark_load,
3418 mark_store): Do not call analyze_expr hook.
3419 * cgraph.c: Update toplevel comment.
3420 (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
3421 verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
3422 Move fere from cgraphunit.c
3423 (cgraph_mark_force_output_node): Move to cgraph.h
3424 * cgraph.h: Reorder so the comments match the function placement.
3425 (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
3426 (cgraph_mark_force_output_node): Move here from cgraph.c
3427 * tree.c (free_lang_data): Do not clear analyze_expr hook.
3428 * ipa-inline-transform.c (preserve_function_body_p): New function.
3429 (inline_transform): Update.
3430 * langhooks.c (lhd_callgraph_analyze_expr): Remove.
3431 * langhooks.h (lang_hooks_for_callgraph): Remove.
3432 (lang_hooks): Remove callgraph.
3433 * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
3434 * varpool.c: Remove out of date comment.
3435 * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
3436 (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
3438 2012-04-25 Jan Hubicka <jh@suse.cz>
3441 * cgraphunit.c (referred_to_p): Move ahead in file to avoid
3442 forward declaration.
3443 (cgraph_finalize_function): Finalize them here.
3444 * symtab.c (dump_symtab): Dump ctors and dtors.
3446 2012-04-25 Jakub Jelinek <jakub@redhat.com>
3449 * stor-layout.c (get_best_mode): Don't return mode with bitsize
3450 larger than maxbits. Don't compute maxbits modulo align.
3451 Also check that unit bytes long store at bitpos / unit * unit
3452 doesn't affect bits beyond bitregion_end.
3453 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
3454 would not fit into bitregion_start ... bitregion_end + 1 bit region.
3455 (store_split_bit_field): Decrease unit close to end of bitregion_end
3456 if access is restricted in order to avoid mutual recursion.
3458 PR tree-optimization/53058
3459 * double-int.h (double_int_max_value, double_int_min_value): New
3461 * double-int.c (double_int_max_value, double_int_min_value): New
3463 * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
3464 or GT_EXPR with double_int_max_value instead of double_int_mask.
3466 2012-04-25 Richard Guenther <rguenther@suse.de>
3468 * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
3469 * tree-vect-loop.c (vect_transform_loop): Adjust.
3470 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
3471 the maximum number of iterations for the epilogue loop.
3472 (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
3474 2012-04-25 Jakub Jelinek <jakub@redhat.com>
3477 * c-typeck.c (set_nonincremental_init,
3478 set_nonincremental_init_from_string): Pass true instead of false
3479 as IMPLICIT to add_pending_init.
3481 2012-04-25 Manuel López-Ibáñez <manu@gcc.gnu.org>
3483 * c-typeck.c (pop_init_level): Improve diagnostics.
3485 2012-04-25 Uros Bizjak <ubizjak@gmail.com>
3487 * compare-elim.c (try_eliminate_compare): Also handle operands with
3488 implicit extensions.
3490 2012-04-25 Alan Modra <amodra@gmail.com>
3492 * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
3493 V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
3494 SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
3495 (no_global_regs_above): Delete.
3496 (no_global_regs): New function.
3497 (rs6000_savres_strategy): Handle vector regs. Use proper lr_save_p
3498 value for load multiple test.
3499 (savres_routine_syms): Increase size.
3500 (rs6000_savres_routine_name, rs6000_savres_routine_sym,
3501 ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
3502 rather than a number of boolean flags. Update all callers.
3503 (rs6000_savres_routine_name): Generate vector save/restore names.
3504 (rs6000_savres_routine_sym): Handle vector regs. Delete forward decl.
3505 (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
3506 (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
3507 and using_store_multiple. Expand uses. Don't always use r11 as
3508 frame reg when needed for out-of-line saves. Set up initial offset
3509 for out-of-line vector saves when buying stack frame. Handle pointer
3510 reg setup for out-of-line fp save. Emit call to out-of-line vector
3511 save function. Choose r11 or r12 for vrsave reg when available for
3513 (rs6000_output_function_prologue): Don't emit .extern for ELF.
3514 (rs6000_emit_epilogue): Choose a better frame reg when restoring
3515 from back-chain to suit out-of-line vector restore functions. Emit
3516 call to out-of-line vector restore function. Adjust register used
3517 for cr restore. Tweak pointer register setup for gpr restore.
3518 * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
3520 * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
3521 (V_SAVE_INLINE): Define.
3522 * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
3524 2012-04-25 Alan Modra <amodra@gmail.com>
3526 * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
3527 out-of-line save/restore for large frames. Don't disable
3528 out-of-line saves on ABI_AIX when using static chain reg.
3529 (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
3530 clobber static chain reg, and tweak for out-of-line gpr saves
3533 2012-04-25 Alan Modra <amodra@gmail.com>
3535 * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
3536 (rs6000_emit_prologue): Use the above to catch register overlap.
3538 2012-04-25 Alan Modra <amodra@gmail.com>
3540 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
3541 decl. Move logic selecting update reg to callers. Update all callers.
3542 (rs6000_emit_allocate_stack): Add copy_off param.
3543 (emit_frame_save): Don't handle reg+reg addressing.
3544 (ptr_regno_for_savres): New function, extracted from..
3545 (rs6000_emit_savres_rtx): ..here. Add lr_offset param.
3546 (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
3547 Set frame_reg_rtx to r11 whenever r11 is needed, and merge
3548 frame offset adjustment for out-of-line save with copy from sp.
3549 Simplify condition controlling whether cr is saved early or
3550 late. Use ptr_regno_for_savres to verify correct reg is set
3551 up for out-of-line saves. Pass the actual pointer reg used to
3552 rs6000_emit_savres_rtx so rtl matches insns in out-of-line
3553 function. Rearrange spe vars so code is similar to that
3554 elsewhere in this function. Don't update frame_off when spe
3555 save code will restore r11. Use emit_frame_save for spe and
3556 gpr saves. Consolidate darwin out-of-line gpr setup with that
3557 for other abis. Don't assume frame_offset is zero and frame
3558 reg is sp when setting up altivec reg saves, and calculate
3559 exact offset requirement.
3560 (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off. Tidy
3561 spe restore code. Consolidate darwin out-of-line gpr setup
3562 with that for other abis.
3564 2012-04-25 Alan Modra <amodra@gmail.com>
3566 * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
3567 REG_FRAME_RELATED_EXPR note when the instruction exactly matches
3569 (emit_frame_save): Delete frame_ptr param. Rename total_size to
3571 (rs6000_emit_prologue): Add sp_off. Update rs6000_frame_related
3572 and emit_frame_save calls. Cope with possibly missing note.
3574 2012-04-24 Sriraman Tallam <tmsriram@google.com>
3576 * config/i386/i386.c (build_processor_model_struct): New function.
3577 (make_var_decl): New function.
3578 (fold_builtin_cpu): New function.
3579 (ix86_fold_builtin): New function.
3580 (make_cpu_type_builtin): New function.
3581 (ix86_init_platform_type_builtins): New function.
3582 (ix86_expand_builtin): Expand new builtins by folding them.
3583 (ix86_init_builtins): Make new builtins to detect CPU type.
3584 (TARGET_FOLD_BUILTIN): New macro.
3585 (IX86_BUILTIN_CPU_INIT): New enum value.
3586 (IX86_BUILTIN_CPU_IS): New enum value.
3587 (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
3588 * config/i386/i386-builtin-types.def: New function type.
3589 * testsuite/gcc.target/builtin_target.c: New testcase.
3590 * doc/extend.texi: Document builtins.
3592 2012-04-24 Olivier Hainque <hainque@adacore.com>
3594 * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
3595 * toplev.c (process_options): Default to dwarf_version 2.
3596 * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
3597 and dwarf_version 2.
3599 2012-04-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3601 * tree-pretty-print.h (default_tree_printer): Do not declare.
3602 * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
3604 (default_tree_diagnostic_starter): Make static.
3605 (default_tree_printer): Move to here. Make static.
3606 (tree_diagnostics_defaults): New.
3607 * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
3608 * tree.c (free_lang_data): Use tree_diagnostics_defaults.
3609 * toplev.c: Do not include tree-pass.h.
3610 (default_tree_printer): Move from here.
3611 (general_init): Use tree_diagnostics_defaults.
3613 2012-04-24 Chao-ying Fu <fu@mips.com>
3615 * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
3616 (mips*-*-linux*): Append mips/linux-common.h to tm_file.
3617 * config/mips/gnu-user.h
3618 (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
3619 (GNU_USER_TARGET_LINK_SPEC): New define.
3620 (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
3621 (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
3622 (GNU_USER_TARGET_MATHFILE_SPEC): New define.
3623 (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
3624 GNU_USER_TARGET_ENDFILE_SPEC.
3625 * config/mips/gnu-user64.h (LIB_SPEC): Remove.
3626 (GNU_USER_TARGET_LINK_SPEC): New define.
3627 (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
3628 * config/mips/linux-common.h: New file.
3630 2012-04-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3633 * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
3634 (altivec_build_resolved_builtin): Call fully_fold_convert.
3636 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
3639 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
3641 2012-04-24 Richard Guenther <rguenther@suse.de>
3643 PR tree-optimization/53085
3644 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
3647 2012-04-24 Richard Guenther <rguenther@suse.de>
3649 * tree-if-conv.c (main_tree_if_conversion): Move bb under
3652 2012-04-24 Jim Meyering <meyering@redhat.com>
3654 * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
3655 absence of an define_enum call.
3657 2012-04-24 Richard Guenther <rguenther@suse.de>
3659 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
3660 the epilogue loop is not re-used as unvectorized version
3661 record the its maximum number of iterations.
3663 2012-04-24 Andrew Pinski <apinski@cavium.com>
3665 * tree-ssa-forwprop.c (simplify_bitwise_binary):
3666 Don't directly use def1/def2.
3668 2012-04-24 Richard Guenther <rguenther@suse.de>
3670 PR tree-optimization/53098
3671 * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
3674 2012-04-24 Andrew Pinski <apinski@cavium.com>
3677 * tree-ssa-forwprop.c (defcodefor_name): New function.
3678 (simplify_bitwise_binary): Use defcodefor_name instead of manually
3679 Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
3680 Simplify "(~X | Y) & X" to "X & Y" and
3681 "(~X & Y) | X" to "X | Y".
3683 2012-04-24 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3685 * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
3686 validate_change to add clobbers if IN_GROUP is nonzero.
3687 (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
3688 * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
3690 * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
3692 * config/s390/s390.c (insn_invalid_p): Likewise.
3694 2012-04-24 Jakub Jelinek <jakub@redhat.com>
3697 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
3698 (output_addressed_constants): Likewise.
3701 * varasm.c (get_section): Don't ICE for section conflicts with
3702 built-in section kinds.
3704 2012-04-23 DJ Delorie <dj@redhat.com>
3706 * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
3707 (LIBSTDCXX): Change to CPP2.
3709 2012-04-23 H.J. Lu <hongjiu.lu@intel.com>
3712 * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
3715 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
3717 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
3718 (*addsi_2_zext): Ditto.
3719 (*add<mode>_3): Ditto.
3720 (*addsi_3_zext): Ditto.
3721 (*add<mode>_5): Ditto.
3723 2012-04-23 Andrew Pinski <apinski@cavium.com>
3725 * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
3726 (C & B) to (A OP0) & B.
3728 2012-04-23 Martin Jambor <mjambor@suse.cz>
3730 * expr.c (expand_expr_real_1): Remove setting parent's alias set for
3731 temporaries created for a bitfield (reverting revision 122014).
3733 2012-04-23 Richard Guenther <rguenther@suse.de>
3735 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
3736 the condition using is_gimple_condexpr and avoid the not necessary
3738 (set_prologue_iterations): Likewise.
3739 (vect_loop_versioning): Likewise.
3741 2012-04-23 Richard Guenther <rguenther@suse.de>
3743 PR tree-optimization/53070
3744 * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
3745 (main_tree_if_conversion): Verify we succeeded in that.
3747 2012-04-23 Jan Hubicka <jh@suse.cz>
3749 * lto-symtab.c (lto_cgraph_replace_node): Do not call
3750 mark_reahcable_node.
3751 * cgraph.c (cgraph_remove_node): Do not clear reachable.
3752 (cgraph_mark_reachable_node): Remove.
3753 (cgraph_mark_force_output_node): Do not set reachable.
3754 (dump_cgraph_node): Do not dump reachable.
3755 (cgraph_create_virtual_clone): Do not set reachable.
3756 * cgraph.h (cgraph_node): Remove reachable flag.
3757 (varpool_node): Remove reachable flag.
3758 (cgraph_mark_if_needed): Remove.
3759 (cgraph_mark_reachable_node): Remove.
3760 * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
3761 * cgraphunit.c (cgraph_finalize_function): Do not mark node as
3763 (cgraph_add_new_function): Likewise.
3764 (cgraph_mark_if_needed): Remove.
3765 (cgraph_analyze_function): Do not set target as reachable.
3766 (process_function_and_variable_attributes): Do not care about
3768 (cgraph_analyze_functions): Do not set reachable flags.
3769 (cgraph_mark_functions_to_output): Do not check reachability.
3770 (cgraph_copy_node_for_versioning): Do not set reachable flag.
3771 (dbxout_expand_expr): Update.
3772 * c-decl.c (merge_decls): Do not track changed externs.
3773 * ipa.c: Include pointer-set.h
3774 (enqueue_cgraph_node): Use reachable pointer set.
3775 (process_references): Likewise.
3776 (cgraph_remove_unreachable_nodes): Likewise.
3777 (whole_program_function_and_variable_visibility): Do not recompute
3779 * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
3781 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
3783 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
3785 2012-04-23 Richard Guenther <rguenther@suse.de>
3788 * c-typeck.c (build_binary_op): Fix typo.
3790 2012-04-23 Jakub Jelinek <jakub@redhat.com>
3792 PR tree-optimizations/52891
3793 * tree-vect-patterns.c (adjust_bool_pattern): Use
3794 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
3795 but with non-standard precision.
3797 2012-04-22 Jan Hubicka <jh@suse.cz>
3799 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
3802 2012-04-22 Jan Hubicka <jh@suse.cz>
3804 * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
3805 * cgraphbuild.c (record_reference, record_type_list, mark_address,
3806 mark_load, mark_store): Do not mark varpool nodes as needed.
3807 * cgraph.c (cgraph_new_nodes): Remove.
3808 (cgraph_create_function_alias): Do not mark nodes as reachable.
3809 (cgraph_add_thunk): Likewise.
3810 (cgraph_mark_reachable_node): Do not manage the queue.
3811 * cgraph.h (cgraph_node): Remove next_needed.
3812 (varpool_nodes_queue): Remove next_needed and prev_needed.
3813 (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
3814 (cgraph_new_nodes): Declare.
3815 (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
3816 (varpool_analyze_pending_decls): Remove.
3817 (varpool_analyze_node): New.
3818 (varpool_mark_needed_node): Remove.
3819 (varpool_first_variable, varpool_next_variable): New inlines.
3820 (varpool_first_static_initializer, varpool_next_static_initializer):
3822 (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
3823 (varpool_first_defined_variable): New inline.
3824 (varpool_next_defined_variable): New inline
3825 (FOR_EACH_VARIABLE): Reimplement.
3826 (FOR_EACH_DEFINED_VARIABLE): Reimplement.
3827 * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
3829 * cgraphunit.c (cgraph_new_nodes): Declare here.
3830 (enqueue_node): New function.
3831 (cgraph_process_new_functions): update for new
3832 node set; when constructing cgraph enqueue node for processing.
3833 (cgraph_add_new_function): Use new node set.
3834 (process_function_and_variable_attributes): Do not set varpool needed
3836 (referred_to_p): New function.
3837 (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
3838 when varpool is in construction.
3839 (cgraph_analyze_functions): Rewrite.
3840 (cgraph_expand_all_functions): Update.
3841 (cgraph_output_in_order): Do not analyze pending decls; do not set
3843 (cgraph_optimize): Do not analyze pending decls.
3844 * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
3845 in other partition; do not mark node as needed.
3846 * dwarf2out.c (reference_to_unused): Use analyzed flag.
3847 (premark_types_used_by_global_vars_helper): Likewise.
3848 * ipa.c (process_references): Do not call varpool_mark_needed_node.
3849 (cgraph_remove_unreachable_nodes): Do not rely on varpool and
3851 (function_and_variable_visibility): Do not mark node as needed.
3852 (whole_program_function_and_variable_visibility): Likewise.
3853 * Makefile.in (gt-varpool.h): No longer needed.
3854 * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
3855 (ipa_write_summaries): Do not use needed flag.
3856 * varpool.c: Do not include gt-varpool.h
3857 (x_varpool_nodes_queue, x_varpool_last_needed_node,
3858 x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
3859 x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
3861 (varpool_remove_node): Do not update the lists.
3862 (dump_varpool_node): Do not dump needed flag.
3863 (varpool_enqueue_needed_node): Remove.
3864 (varpool_mark_needed_node): Remove.
3865 (varpool_reset_queue): Remove.
3866 (varpool_finalize_decl): Move to cgraphunit.c
3867 (varpool_analyze_node): New functions based on former
3868 varpool_analyze_pending_decls.
3869 (varpool_analyze_pending_decls): Remove.
3870 (varpool_assemble_decl): Do not update the lists.
3871 (enqueue_node): New function.
3872 (varpool_remove_unreferenced_decls): Rewrite.
3873 (varpool_empty_needed_queue): Remove.
3874 (add_new_static_var): Do not mark node as needed.
3875 (varpool_create_variable_alias): Handle expansion state
3877 * except.c (output_ttype): Do not mark node as needed.
3878 * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
3879 * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
3881 * tree-switch-conversion.c (build_one_array): Likewise.
3883 2012-04-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
3886 * doc/invoke.texi (pedantic): Rename to Wpedantic.
3887 * common.opt (Wpedantic): New.
3888 (pedantic): Alias Wpedantic.
3889 * diagnostic.c (warning_at): Likewise.
3890 * c-decl.c (diagnose_mismatched_decls): Likewise.
3891 (build_array_declarator): Likewise.
3892 (mark_forward_parm_decls):
3893 (check_bitfield_type_and_width): Likewise.
3894 (grokdeclarator): Likewise.
3895 (grokfield): Likewise.
3896 (finish_struct): Likewise.
3897 (build_enumerator): Likewise.
3898 (store_parm_decls_oldstyle): Likewise.
3899 (declspecs_add_qual): Likewise.
3900 (declspecs_add_type): Likewise.
3901 (finish_declspecs): Likewise.
3902 * c-typeck.c (composite_type): Likewise.
3903 (comp_target_types): Likewise.
3904 (build_array_ref): Likewise.
3905 (pointer_diff): Likewise.
3906 (build_unary_op): Likewise.
3907 (build_conditional_expr): Likewise.
3908 (build_c_cast): Likewise.
3909 (convert_for_assignment): Likewise.
3910 (maybe_warn_string_init): Likewise.
3911 (digest_init): Likewise.
3912 (pop_init_level): Likewise.
3913 (set_init_index): Likewise.
3914 (c_finish_goto_label): Likewise.
3915 (c_finish_return): Likewise.
3916 (do_case): Likewise.
3917 (build_binary_op): Likewise.
3918 * c-parser.c (static): Likewise.
3919 (c_parser_external_declaration): Likewise.
3920 (c_parser_declaration_or_fndef): Likewise.
3921 (c_parser_static_assert_declaration_no_se): Likewise.
3922 (c_parser_enum_specifier): Likewise.
3923 (c_parser_struct_or_union_specifier): Likewise.
3924 (c_parser_struct_declaration): Likewise.
3925 (c_parser_alignas_specifier): Likewise.
3926 (c_parser_braced_init): Likewise.
3927 (c_parser_initelt): Likewise.
3928 (c_parser_compound_statement_nostart): Likewise.
3929 (c_parser_conditional_expression): Likewise.
3930 (c_parser_alignof_expression): Likewise.
3931 (c_parser_postfix_expression): Likewise.
3932 (c_parser_postfix_expression_after_paren_): Likewise.
3933 (c_parser_objc_class_instance_variables): Likewise.
3934 (c_parser_objc_method_definition): Likewise.
3935 (c_parser_objc_methodprotolist): Likewise.
3937 2012-04-22 Ian Lance Taylor <iant@google.com>
3939 * godump.c (go_output_typedef): Dump size of structs.
3941 2012-04-22 Razya Ladelsky <razya@il.ibm.com>
3943 Correcting transform_to_exit_first_loop + fix to PR46886
3944 * tree-parloops.c (transform_to_exit_first_loop): Remove
3945 setting of number of iterations according to the loop pattern.
3946 Duplicate from entry to exit->src instead of loop->latch.
3947 (pallelize_loops): Remove the condition preventing do-while loops.
3948 * tree-cfg.c (bool bb_in_region_p): New.
3949 (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
3950 Adjust redirection of the duplicated iteration.
3952 2012-04-21 Richard Sandiford <rdsandiford@googlemail.com>
3955 * rtl.def (ADDRESS): Use "i" rather than "w".
3956 * rtl.h (find_base_term): Delete.
3957 (may_be_sp_based_p): Declare.
3958 * rtl.c (rtx_code_size): Remove ADDRESS special case.
3959 * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
3960 (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
3962 (find_base_term): Make static.
3963 (may_be_sp_based_p): New function.
3964 * dse.c (record_store): Use it.
3965 * store-motion.c (store_killed_in_insn): Likewise.
3967 2012-04-21 Richard Sandiford <rdsandiford@googlemail.com>
3969 * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
3971 2012-04-21 Manuel López-Ibáñez <manu@gcc.gnu.org>
3974 * c-typeck.c (inform_declaration): New.
3975 (build_function_call_vec): Do not pretty-print
3976 expressions when caret is enabled.
3977 (convert_arguments): Use inform_declaration.
3979 2012-04-20 Jim Meyering <meyering@redhat.com>
3981 * genmodes.c (make_complex_modes): Don't truncate a mode name of
3982 length 7 or more when prepending a "C". Suggested by Richard Guenther.
3984 2012-04-20 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3986 PR rtl-optimization/44214
3987 * fold-const.c (exact_inverse): New function.
3988 (fold_binary_loc): Fold vector and complex division by constant into
3989 multiply by recripocal with flag_reciprocal_math; fold vector division
3990 by constant into multiply by reciprocal with exact inverse.
3992 2012-04-20 Jan Hubicka <jh@suse.cz>
3994 * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
3996 * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
3997 (cgraph_remove_node): Update.
3998 (cgraph_mark_needed_node): Remove.
3999 (cgraph_mark_force_output_node): New.
4000 (dump_cgraph_node): Do not dump needed flag.
4001 (cgraph_node_cannot_be_local_p_1): Update.
4002 (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
4003 * cgraph.h (symtab_node_base): Add force_output flag.
4004 (cgraph_node): Remove needed flag.
4005 (varpool_node): Remove force_output flag.
4006 (cgraph_mark_needed_node): Remove.
4007 (cgraph_mark_force_output_node): New.
4008 (cgraph_only_called_directly_or_aliased_p,
4009 varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
4010 * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
4011 * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
4012 (cgraph_add_new_function): Update.
4013 (cgraph_mark_if_needed): Update.
4014 (verify_cgraph_node): Update.
4015 (cgraph_analyze_function): Alias target is reachable.
4016 (process_function_and_variable_attributes): Update: externally_visible
4017 flag makes function reachable.
4018 (cgraph_analyze_functions): Update dumping.
4019 * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
4020 input_overwrite_node, input_varpool_node): Update streaming.
4021 * lto-streamer-out.c (produce_symtab): Use force_output.
4022 * ipa.c (process_references): Weakrefs must be processed.
4023 (cgraph_remove_unreachable_nodes): Likewise; update for new
4025 (varpool_externally_visible_p): Weakrefs are externally visible
4026 even if they are not.
4027 (function_and_variable_visibility): Update; when processing alias
4028 pair force the targets to be output.
4029 (whole_program_function_and_variable_visility): Use
4030 mark_reachable_node.
4031 * trans-mem.c (ipa_tm_mark_needed_node): Remove
4032 (ipa_tm_mark_force_output_node): New function.
4033 (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
4034 * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
4036 * varasm.c (mark_decl_referenced): Update.
4037 (find_decl_and_mark_needed): Remove.
4038 (find_decl): New function.
4039 (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
4040 alias targets as needed.
4041 (dump_tm_clone_pairs): Update.
4042 * tree-inline.c (copy_bb): Update check.
4043 * symtab.c (dump_symtab_base): Dump force_output.
4044 * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
4045 * passes.c (execute_todo): Fix dumping.
4046 * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
4047 (varpool_analyze_pending_decls): Alias target is reachable.
4048 (varpool_create_variable_alias): Finalize weakrefs.
4050 2012-04-20 Jakub Jelinek <jakub@redhat.com>
4053 * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
4054 UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
4055 * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
4056 macros instead of constants.
4057 * dse.c (record_store): Check for SP ADDRESS by comparing
4058 XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
4059 XEXP to be stack_pointer_rtx.
4061 2012-04-20 Richard Guenther <rguenther@suse.de>
4063 * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
4064 update_call_from_tree when propagating into a call.
4066 2012-04-20 Alan Modra <amodra@gmail.com>
4068 * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
4069 (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise. Rename
4070 sp_offset to frame_off. Move world save code earlier.
4072 2012-04-20 Richard Guenther <rguenther@suse.de>
4074 PR tree-optimization/53050
4075 * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
4076 Do only one transform on COND_EXPRs at the same time.
4078 2012-04-19 Jan Hubicka <jh@suse.cz>
4080 * symtab.c (dump_symtab_base): Revert accidental checkin.
4082 2012-04-20 Alan Modra <amodra@gmail.com>
4085 * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
4086 static chain, set REST_INLINE_FPRS too.
4088 2012-04-20 Thomas Schwinge <thomas@codesourcery.com>
4090 * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
4093 2012-04-20 Richard Guenther <rguenther@suse.de>
4095 * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
4096 loops that can never run more often than the vectorization factor.
4098 2012-04-19 Jan Hubicka <jh@suse.cz>
4100 * symtab.c (dump_symtab_base): Fix dumping of asm lists.
4102 2012-04-19 David Edelsohn <dje.gcc@gmail.com>
4104 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
4106 2012-04-19 Jim Meyering <meyering@redhat.com>
4108 * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
4109 We verified above that the string(including trailing NUL) fits in buf,
4112 2012-04-19 Richard Guenther <rguenther@suse.de>
4114 * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
4115 for dumping DECL_SECTION_NAME.
4117 2012-04-19 Michael Matz <matz@suse.de>
4120 * tree.h (VECTOR_CST_NELTS): Use part number of types again.
4121 (struct tree_vector): Adjust GTY length.
4122 * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
4124 * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
4126 (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
4127 caller emitted the length calulation already.
4128 (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
4129 before handling any of the fields for structs.
4131 2012-04-19 Richard Guenther <rguenther@suse.de>
4133 PR tree-optimization/53031
4134 * tree-vrp.c (adjust_range_with_scev): Revert back to
4135 using max_loop_iterations.
4137 2012-04-19 Michael Matz <matz@suse.de>
4139 * diagnostic.c (emit_diagnostic): Move va_end call after user
4141 (warning, warning_at, pedwarn, permerror): Ditto.
4143 2012-04-19 Richard Guenther <rguenther@suse.de>
4145 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
4148 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
4151 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
4152 the case *(X+const).
4154 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
4156 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
4158 2012-04-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4161 * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
4162 * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
4164 2012-04-19 Richard Guenther <rguenther@suse.de>
4166 PR rtl-optimization/44688
4167 * loop-iv.c (determine_max_iter): Only return max_iter.
4168 (iv_number_of_iterations): Also use the recorded loop bound
4169 on the maximum number of iterations.
4170 * loop-unroll.c (decide_unroll_runtime_iterations): Use
4171 max_iter to avoid unrolling loops that do not roll.
4172 (decide_unroll_stupid): Likewise.
4174 2012-04-18 Steven Bosscher <steven@gcc.gnu.org>
4176 * targhooks.c (default_case_values_threshold): Fix code style nit.
4178 * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
4179 case range and type folding from here...
4180 * gimplify.c (gimplify_switch_expr): ... to here. Expect NULL_TREE
4181 type, as documented in tree.def.
4183 2012-04-18 Jan Hubicka <jh@suse.cz>
4185 * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
4187 * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
4188 cgraph hash and same comdat groups.
4189 (cgraph_optimize): Verify symbol table.
4190 * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
4191 (dissolve_same_comdat_group_list): Work on symtab nodes.
4192 (function_and_variable_visibility): Dissolve variable same comdat group
4194 * symtab.c: Include timevar.h
4195 (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
4197 2012-04-18 Steven Bosscher <steven@gcc.gnu.org>
4199 * tree-switch-conversion.c (info): Remove global pass info.
4200 (check_range, check_process_case, check_final_bb, create_temp_arrays,
4201 free_temp_arrays, gather_default_values, build_constructors,
4202 array_value_type, build_one_array, build_arrays, gen_def_assigns,
4203 fix_phi_nodes, gen_inbound_check): Pass info around from ...
4204 (process_switch): ... here. Unify message format. Return a const
4205 char pointer to the failure reason message.
4206 (do_switchconv): Unify message format. Update process_switch usage.
4208 * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
4209 * tree-cfg.c (edge_to_cases): Fix documentation.
4211 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
4213 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
4215 2012-04-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4217 PR tree-optimization/52976
4218 * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
4219 (possibly_move_powi): New function.
4220 (rewrite_expr_tree): Call possibly_move_powi.
4221 (rewrite_expr_tree_parallel): Likewise.
4222 (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
4223 call add_to_ops_vec instead.
4225 2012-04-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4227 PR tree-optimization/52976
4228 * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
4229 (decrement_power): Likewise.
4230 (propagate_op_to_single_use): Likewise.
4231 (zero_one_operation): Handle __builtin_pow* calls in linearized
4232 expression trees; factor logic into propagate_op_to_single_use.
4233 (undistribute_ops_list): Allow operands with repeat counts > 1.
4235 2012-04-18 Richard Guenther <rguenther@suse.de>
4237 PR tree-optimization/44688
4238 * cfgloop.h (record_niter_bound): Declare.
4239 * tree-ssa-loop-niter.c (record_niter_bound): Export.
4240 Update the estimation with the upper bound here...
4241 (estimate_numbers_of_iterations_loop): ... instead of here.
4242 Do not forcefully reset a recorded upper bound.
4243 * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
4244 Record the maximum number of loop iterations of the prologue loop.
4246 2012-04-18 Jan Hubicka <jh@suse.cz>
4248 * lto-symtab.c (lto_cgraph_replace_node): Update.
4249 * cgraphbuild.c (record_reference, record_type_list,
4250 record_eh_tables, mark_address, mark_load, mark_store): Update.
4251 * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
4252 cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
4254 * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
4255 (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
4256 * reload.c: Fix typo in comment.
4257 * rtlanal.c: Likewise.
4258 * tree-emultls.c (gen_emutls_addr): Update.
4259 * ipa-reference.c (analyze_function): Update.
4260 * cgraphunit.c (cgraph_analyze_function,
4261 cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
4263 * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
4264 (ipa_remove_reference): Likewise.
4265 (ipa_remove_all_refering): Rename to ...
4266 (ipa_remove_all_referring): ... this one; update.
4267 (ipa_dump_references): Update.
4268 (ipa_dump_referring): Update.
4269 (ipa_clone_references): Update.
4270 (ipa_clone_refering): Rename to ...
4271 (ipa_clone_referring): ... this one; update.
4272 (ipa_ref_cannot_lead_to_return): Update.
4273 (ipa_ref_has_aliases_p): Update.
4274 * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
4276 (ipa_ref_type): Remove.
4277 (ipa_ref_ptr_u): Remove.
4278 (ipa_ref): Remove referencing, refered, refered_index, refering_type
4279 and refered_type; add referring, referred and referred_index.
4280 (ipa_ref_list): Rename refering to referring.
4281 (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
4282 ipa_clone_references, ipa_clone_referring): Update prototypes.
4283 * lto-cgraph.c (referenced_from_other_partition_p): Update.
4284 (lto_output_ref): Update.
4285 (add_references): Update.
4286 (input_varpool_node): Update.
4287 (input_refs): Update.
4288 * ipa-ref-inline.h (ipa_ref_node): Update.
4289 (ipa_ref_varpool_node): Update.
4290 (ipa_ref_referring_node): Update.
4291 (ipa_ref_referring_varpool_node): Update.
4292 (ipa_ref_referring_ref_list): Update.
4293 (ipa_ref_referred_ref_list): Update.
4294 (ipa_ref_list_first_referring): Update.
4295 (ipa_empty_ref_list): Update.
4296 (ipa_ref_list_refering_iterate): Rename to ...
4297 (ipa_ref_list_referring_iterate): ... this one.
4298 * cse.c: Update comment.
4299 * ipa-utils.c (ipa_reverse_postorder): Update.
4300 * tree-ssa-alias.c: Update.
4301 * ipa-inline.c (reset_edge_caches): Update.
4302 (update_caller_keys): Update.
4303 * ipa-inline.h: Update comments.
4304 * jump.c: Update comment.
4305 * alias.c: Likewise.
4306 * ipa.c (process_references): Update.
4307 (cgraph_remove_unreachable_nodes): Likewise.
4308 (ipa_discover_readonly_nonaddressable_var): Likewise.
4309 (cgraph_address_taken_from_non_vtable_p): Likewise.
4310 * trans-mem.c (ipa_tm_execute): Update.
4311 * simplify-rtx.c: Fix comment.
4312 * rtl.c: Fix comment.
4313 * symtab.c (symtab_unregister_node): Update.
4314 * varpool.c (dump_varpool_node): Update.
4315 (varpool_analyze_pending_decls): Update.
4316 (assemble_aliases): Update.
4317 (varpool_for_node_and_aliases): Update.
4319 2012-04-18 Richard Guenther <rguenther@suse.de>
4321 * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
4322 use_undefined_p parameter.
4323 * tree-flow.h (estimate_numbers_of_iterations): Likewise.
4324 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
4326 (estimate_numbers_of_iterations): Likewise.
4327 (estimated_loop_iterations): Adjust.
4328 (max_loop_iterations): Likewise.
4329 (scev_probably_wraps_p): Likewise.
4330 * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
4331 * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
4332 not max_loop_iterations.
4333 (execute_vrp): Remove explicit number of iterations estimation.
4335 2012-04-18 Enkovich Ilya <ilya.enkovich@intel.com>
4337 * config/i386/linux-common.h: New.
4339 * config.gcc: Add i386/linux-common.h before
4340 all i386/linux.h and i386/linux64.h usages.
4342 * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
4343 (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
4344 * config/i386/gnu-user64.h: Likewise.
4346 * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
4347 (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
4348 (GNU_USER_TARGET_MATHFILE_SPEC): New.
4349 (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
4351 2012-04-18 Jan Hubicka <jh@suse.cz>
4353 * cgraph.c (cgraph_node_name): Remove.
4354 (dump_cgraph_node): Use dump_symtab_base; reformat.
4355 * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
4356 debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
4358 (cgraph_node_name, varpool_node_name): Remove.
4359 (cgraph_node_asm_name, varpool_node_asm_name,
4360 cgraph_node_name, varpool_node_name): New.
4361 * tree-pass.h (TODO_dump_cgraph): Rename to ...
4362 (TODO_dump_symtab): ... this one.
4363 * ipa-cp (pass_ipa_cp): Update.
4364 * ia-reference.c (generate_summary, read_write_all_from_decl,
4365 propagate, ipa_reference_read_optimization_summary): Update.
4366 * cgraphunit.c (cgraph_analyze_functions): Update.
4367 (cgraph_optimize): Update.
4368 * ipa-ref.c (ipa_dump_references): Update.
4369 (ipa_dump_refering): Update.
4370 * ipa-inline.c (pass_ipa_inline): Update.
4371 * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
4372 * ipa.c (pass_ipa_function_visibility,
4373 pass_ipa_whole_program_visibility): Update.
4374 * tree-sra.c (pass_early_ipa_sra): Update.
4375 * symtab.c: Include langhooks.h
4376 (symtab_node_asm_name): New.
4377 (symtab_node_name): New.
4378 (symtab_type_names): New static var.
4379 (dump_symtab_base): New.
4380 (dump_symtab_node, dump_symtab): New.
4381 (debug_symtab_node, debug_symtab): New.
4382 * tree-ssa-structalias.c: Dump symbol table.
4383 * pases.c (execute_todo): Handle TODO_dump_symtab instead
4384 of TODO_dump_cgraph.
4385 * varpoo.c (varpool_node_name): Remove.
4386 (dump_varpool_node): Use dump_symtab_base; reformat.
4388 2012-04-18 Manuel López-Ibáñez <manu@gcc.gnu.org>
4390 * doc/invoke.texi (Language Independent Options): @item should be
4393 2012-04-17 Richard Sandiford <rdsandiford@googlemail.com>
4396 * rtl.c (rtx_code_size): Handle ADDRESS.
4398 2012-04-17 Tom de Vries <tom@codesourcery.com>
4400 * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
4403 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
4406 * config/i386/sync.md (atomic_<code><mode>): Rename to
4407 atomic_<logic><mode>.
4409 2012-04-17 Richard Sandiford <rdsandiford@googlemail.com>
4411 * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
4412 * alias.c (reg_base_value): Expand and update comment.
4413 (arg_base_value): New variable.
4414 (unique_id): Move up file.
4415 (unique_base_value, unique_base_value_p, known_base_value_p): New.
4416 (find_base_value): Use arg_base_value and known_base_value_p.
4417 (record_set): Document REG_NOALIAS handling. Use unique_base_value.
4418 (find_base_term): Use known_base_value_p.
4419 (base_alias_check): Use unique_base_value_p.
4420 (init_alias_target): Initialize arg_base_value. Use unique_base_value.
4421 (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
4423 2012-04-17 Pat Haugen <pthaugen@us.ibm.com>
4425 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
4427 2012-04-17 Michael Matz <matz@suse.de>
4429 PR tree-optimization/18437
4430 * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
4431 (STMT_VINFO_STRIDE_LOAD_P): New accessor.
4432 (vect_check_strided_load): Declare.
4433 * tree-vect-data-refs.c (vect_check_strided_load): New function.
4434 (vect_analyze_data_refs): Use it to accept strided loads.
4435 * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
4437 2012-04-17 Richard Guenther <rguenther@suse.de>
4440 * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
4441 loops when redirecting an entry or latch edge.
4443 2012-04-17 Bernd Schmidt <bernds@codesourcery.com>
4445 * sel-sched.c (sel_global_init): Revert previous change.
4447 2012-04-17 Richard Guenther <rguenther@suse.de>
4449 * tree-flow.h (array_at_struct_end_p): Move declaration ...
4450 * tree.h (array_at_struct_end_p): ... here.
4451 * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
4452 * expr.c (array_at_struct_end_p): ... here. Rewrite.
4454 2012-04-17 Steven Bosscher <steven@gcc.gnu.org>
4456 * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
4457 COST_TABLE): Remove.
4458 (estimate_case_costs): Remove.
4459 (expand_case): Do not call estimate_case_costs
4460 to set use_cost_table.
4461 (balance_case_nodes): Do not use use_cost_table.
4463 2012-04-16 Jan Hubicka <jh@suse.cz>
4465 * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
4466 (hash_node, eq_node): Remove.
4467 (cgraph_create_node): Do not handle hashtable.
4468 (cgraph_get_node): Remove.
4469 (cgraph_insert_node_to_hashtable): Remove.
4470 (hash_node_by_assembler_name): Remove.
4471 (eq_assembler_name): Remove.
4472 (cgraph_node_for_asm): Rewrite.
4473 (cgraph_find_replacement_node): Break out from ...
4474 (cgraph_remove_node): ... here; do not maintain hashtables.
4475 (change_decl_assembler_name): Remove.
4476 (cgraph_clone_node): Do not maintain hashtables.
4477 * cgraph.h (const_symtab_node): New typedef.
4478 (cgraph_insert_node_to_hashtable): Remove.
4479 (symtab_get_node, symtab_node_for_asm,
4480 symtab_insert_node_to_hashtable): Declare.
4481 (cgraph_find_replacement_node): Declare.
4482 (cgraph_get_node, varpool_get_node): Turn into inlines.
4483 (cgraph, varpool): Work sanely on NULL pointers.
4484 (FOR_EACH_SYMBOL): New walker.
4485 * ipa-inline-transform.c (save_inline_function_body): Use
4486 symtab_insert_node_to_hashtable.
4487 * symtab.c: Include ggc.h and diagnostics.h
4488 (symtab_hash, assembler_name_hash): New static vars;
4489 (hash_node, eq_node, hash_node_by_assembler_name,
4490 eq_assembler_name, insert_to_assembler_name_hash,
4491 unlink_from_assembler_name_hash): New.
4492 (symtab_register_node): Update hashtables.
4493 (symtab_insert_node_to_hashtable): New.
4494 (symtab_unregister_node): Update hashtables.
4495 (symtab_get_node): New.
4496 (symtab_node_for_asm): New.
4497 (change_decl_assembler_name): New.
4498 * Makefile.in (symtab.o): Needs GTY.
4499 * varpool.c (varpool_hash): Remove.
4500 (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
4501 (varpool_node): Rewrite using varpool_get_node.
4502 (varpool_remove_node): DO not maintain hashtables.
4503 (varpool_node_for_asm): Rewrite.
4505 2012-04-16 Sandra Loosemore <sandra@codesourcery.com>
4507 * doc/invoke.texi: Copy-edit to put verbs in the present tense
4508 when describing the current behavior of GCC.
4510 2012-04-16 Richard Sandiford <rdsandiford@googlemail.com>
4512 * genemit.c (gen_exp): Remove ADDRESS handling.
4513 * genoutput.c (scan_operands): Likewise.
4514 * genpeep.c (match_rtx): Likewise.
4515 * genrecog.c (add_to_sequence): Likewise.
4517 2012-04-16 David Edelsohn <dje.gcc@gmail.com>
4519 * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
4521 2012-04-16 Martin Jambor <mjambor@suse.cz>
4523 * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
4526 2012-04-16 Ulrich Weigand <ulrich.weigand@linaro.org>
4529 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
4530 hints for 'A' operand types.
4532 2012-04-16 Jan Hubicka <jh@suse.cz>
4534 * cgraph.h (symtab_node_base): Add next and previous pointers.
4535 (cgraph_node): Remove next and preivous pointers.
4536 (varpool_node): Likewise; remove next/previous GTY marker;
4537 it is not type safe.
4538 (symtab_node_def): Update GTY marker
4539 (x_cgraph_nodes, cgraph_nodes): Remove.
4540 (symtab_nodes): New function.
4541 (cgraph_order): Rename to ...
4542 (symtab_order): ... this one.
4543 (symtab_register_node, symtab_unregister_node, symtab_remove_node):
4545 (x_varpool_nodes, varpool_nodes): Remove.
4546 (FOR_EACH_STATIC_VARIABLE): Update.
4547 (symtab_function_p, symtab_variable_p): New function.
4548 (FOR_EACH_VARIABLE): Update.
4549 (varpool_first_variable, varpool_next_variable): New functions.
4550 (FOR_EACH_VARIABLE): Update.
4551 (cgraph_first_defined_function): Update.
4552 (cgraph_next_defined_function, cgraph_next_defined_function): Update.
4553 (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
4554 (cgraph_first_function, cgraph_next_function): New.
4555 (FOR_EACH_FUNCTION): Update.
4556 (cgraph_first_function_with_gimple_body,
4557 cgraph_next_function_with_gimple_body): Update.
4558 * symtab.c: New file.
4559 * cgraph.c: Update copyright dates.
4560 (x_cgraph_nodes, cgraph_order): Remove.
4561 (NEXT_FREE_NODE): Update.
4562 (SET_NEXT_FREE_NODE): New.
4563 (cgraph_create_node_1): Remove common code.
4564 (cgraph_create_node): Remove common code; call symtab_register_node.
4565 (cgraph_remove_node): Remove common code; call symtab_unregister-node.
4566 (cgraph_add_asm_node): Update.
4567 (cgraph_clone_node): Register new node.
4568 * cgraphunit.c (process_function_and_variable_attributes): Update.
4569 (cgraph_analyze_functions): Update.
4570 (cgraph_analyze_functions): Update.
4571 (cgraph_output_in_order): Update.
4572 * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
4574 * ipa-inline.c (recursive_inlining): Update.
4575 * lto-streamer-in.c (lto_input_toplevel_asms): Update.
4576 * ipa.c (cgraph_remove_unreachable_nodes): Update.
4577 * Makefile.in: Add symtab.o
4578 * varpool.c (x_varpool_nodes): Remove
4579 (varpool_node): Remove common code; call symtab_register_node.
4580 (varpool_remove_node): Remove common code; call symtab_unregister_node.
4582 2012-04-16 Richard Guenther <rguenther@suse.de>
4585 * tree.h (VECTOR_CST_NELTS): Adjust.
4586 (struct tree_vector): Add explicit length field.
4587 (make_vector_stat): Declare.
4588 (make_vector): Define.
4589 * tree.c (make_vector_stat): New function.
4590 (build_vector_stat): Use it.
4591 * tree-streamer-in.c (streamer_alloc_tree): Likewise.
4593 2012-04-16 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4595 PR tree-optimization/52976
4596 * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
4597 (undistribute_ops_list): Ops with repeat counts aren't eligible for
4599 (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
4601 2012-04-16 Jan Hubicka <jh@suse.cz>
4603 * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
4605 * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
4606 walkers to walk cgraph and varpool.
4607 * cgraph.c (cgraph_node_for_asm): Likewise.
4608 (dump_cgraph): Likewise.
4609 * value-prof.c (init_node_map): Likewise.
4610 * tree.c (free_lang_data_in_cgraph): Likewise.
4611 * tree-emutls.c: (ipa_lower_emutls): Likewise.
4612 * ipa-reference.c (generate_summary, propagate): Likewise.
4613 * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
4614 cgraph_mark_functions_to_output, cgraph_output_in_order,
4615 output_weakrefs, cgraph_materialize_all_clones,
4616 cgraph_optimize): Likewise.
4617 * lto-cgraph.c (merge_profile_summaries): Likewise.
4618 (input_cgraph): Likewise.
4619 * ipa-pure-const.c (generate_summary): Likewise.
4620 (propagate): Likwise.
4621 * ipa-utils.c (ipa_reduced_postorder): Likewise.
4622 (ipa_free_postorder_info): Likewise.
4623 (ipa_reverse_postorder): Likewise.
4624 * ipa-inline.c (ipa_inline): Likewise.
4625 * matrix-reorg.c (find_matrices_decl): Likewise.
4626 (matrix_reorg): Likewise.
4627 * tree-vectorizer.c (increase_alignment): Likewise.
4628 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4629 (function_and_variable_visibility): Likewise.
4630 (whole_program_function_and_variable_visibility): Likewise.
4631 (ipa_cdtor_merge): Likewise.
4632 * trans-mem.c (ipa_tm_execute): Likewise.
4633 * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
4634 * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
4635 (ipa_print_all_params): Likewise.
4636 (ipa_update_after_lto_read): Likewise.
4637 * tree-profie.c (tree_profiling): Likewise.
4638 * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
4639 * passes.c (dump_passes): Likewise.
4640 (do_per_function): Likewise.
4641 (ipa_write_summaries): Likewise.
4642 * varpool.c (dump_varpool): Likewise.
4643 (varpool_node_for_asm): Likewise.
4644 (varpool_assemble_pending_decls): Likewise.
4646 2012-04-16 Richard Guenther <rguenther@suse.de>
4648 PR tree-optimization/52975
4649 * tree-if-conv.c (predicate_bbs): Do not simplify inverted
4650 condition but always mark it with TRUTH_NOT_EXPR.
4652 2012-04-16 Richard Guenther <rguenther@suse.de>
4654 PR tree-optimization/52975
4655 * tree-ssa-forwprop.c (combine_cond_exprs): New function.
4656 (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
4657 and VEC_COND_EXPRs. Also combine into VEC_COND_EXPRs condition.
4658 * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
4660 2012-04-14 Uros Bizjak <ubizjak@gmail.com>
4662 * config/i386/sse.md (ssse3_plusminus): New code iterator.
4663 (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
4664 avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
4665 (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
4666 ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
4667 (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
4668 ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
4670 (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
4671 avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
4672 (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
4673 ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
4674 (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
4675 ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
4677 (xop_plus): New code iterator.
4678 (macs): New code attribute.
4680 (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
4681 xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
4683 (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
4684 xop_plus code iterator.
4685 (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
4686 xop_plus code iterator.
4687 (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
4688 xop_plus code iterator.
4689 (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
4690 xop_plus code iterator.
4692 (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
4693 any_extend code iterator.
4694 (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
4695 any_extend code iterator.
4696 (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
4697 any_extend code iterator.
4698 (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
4699 any_extend code iterator.
4700 (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
4701 any_extend code iterator.
4702 (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
4703 any_extend code iterator.
4705 2012-04-14 Tom de Vries <tom@codesourcery.com>
4707 * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
4708 call to delete_insn. Remove code to reorder BASIC_BLOCK note and
4709 DELETED_LABEL note, and move it to ...
4710 * cfgrtl.c (delete_insn): ... here. Change return type to void.
4711 (delete_insn_and_edges): Likewise.
4712 (delete_insn_chain): Handle new return type of delete_insn. Delete
4713 chain backwards rather than forwards.
4714 * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
4716 * cfglayout.c (fixup_reorder_chain): Delete unused label.
4718 2012-04-14 Jan Hubicka <jh@suse.cz>
4720 * cgraph.h: Update copyrights;
4721 (symtab_node): Turn to union typedef.
4722 (symtab_node_base): New structure.
4723 (symtab_type): Add SYMTAB_SYMBOL tag.
4724 (cgraph_node): Annotate some pinters with nested_ptr.
4725 (varpool_node): Likewise.
4726 (cgraph_local_info): Remove lto_file_data
4727 and externally_visible.
4728 (cgraph_node): Remove decl; same_comdat_group list;
4729 aux; ref_list; order; address_taken; reachable_from_other_parittion,
4730 in_other_partition; resolution.
4731 (varpool_node): Remove decl; same_comdat_group;
4732 ref_list; lto_file_data; aux; order; resolution; externally_visible;
4733 used_from_other_partition; in_other_partition.
4734 (symtab_node_def): New union.
4735 (cgraph, varpool): Update.
4736 (varpool_first_static_initializer, varpool_next_static_initializer,
4737 cgraph_only_called_directly_or_aliased_p,
4738 varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
4739 varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
4740 varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
4742 * cgraph.c: Likewise.
4743 (cgraph_hash, assembler_name_hash): Turn into symtab_node.
4744 * cgraphbuild.c: Likewise.
4745 * lto-symtab.c: Likewise.
4746 * c-gimplify.c: Likewise.
4747 * value-prof.c: Likewise.
4749 * ipa-cp.c: Likewise.
4750 * tree-emutls.c: Likewise.
4751 * ipa-inline-transform.c: Likwise.
4752 * ipa-reference.c: Likewise.
4753 * cgraphunit.c: Likewise.
4754 * ipa-ref.c: Likewise.
4755 * lto-cgraph.c: Likewise.
4756 * ipa-ref-inline.h: Likewise.
4757 * ipa-pure-const.c: Likewise.
4758 * lto-streamer-out.c: Likewise.
4759 * ipa-utils.c: Likewise.
4760 * ipa-inline.c: Likewise.
4761 * matrix-reorg.c: Likewise.
4762 * tree-eh.c: Likewise.
4763 * tree-vectorizer.c: Likewise.
4764 * ipa-split.c: Likewise.
4766 * trans-mem.c: Likewise.
4767 * ipa-inline-analysis.c: Likewise.
4768 * gimplify.c: Likewise.
4769 * cfgexpand.c: Likewise.
4770 * tree-sra.c: Likewise.
4771 * ipa-prop.c: Likewise.
4772 * varasm.c: Likewise.
4773 * tree-nested.c: Likewise.
4774 * tree-inline.c: Likewise.
4775 * tree-profile.c: Likewise.
4776 * tree-ssa-structalias.c: Likewise.
4777 * passes.c: Likewise.
4778 * varpool.c: Likewise.
4780 2012-04-14 Tom de Vries <tom@codesourcery.com>
4782 * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
4783 same_succ_hash, with local_def inlined. Use SINGLE_SSA_DEF_OPERAND.
4784 Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT. Remove use
4786 (gsi_advance_fw_nondebug_nonlocal): New function.
4787 (local_def): Removed function.
4788 (same_succ_hash): Use stmt_local_def.
4789 (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
4790 (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
4792 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
4794 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
4795 and __ILP32__ for x32.
4797 2012-04-13 Martin Jambor <mjambor@suse.cz>
4800 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
4801 fold_ctor_reference returns a zero constant.
4803 2012-04-13 Enkovich Ilya <ilya.enkovich@intel.com>
4805 * config.gcc: Add i386/gnu-user-common.h before all
4806 i386/gnu-user.h and i386/gnu-user64.h usages.
4808 * config/i386/gnu-user-common.h: New.
4810 * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
4811 (CC1_SPEC): Likewise.
4812 (ENDFILE_SPEC): Likewise.
4813 (DEFAULT_PCC_STRUCT_RETURN): Likewise.
4814 (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
4815 (TARGET_OS_CPP_BUILTINS): Likewise.
4816 (LIBGCC2_HAS_TF_MODE): Likewise.
4817 (LIBGCC2_TF_CEXT): Likewise.
4818 (TF_SIZE): Likewise.
4819 (TARGET_ASM_FILE_END): Likewise.
4820 (STACK_CHECK_MOVING_SP): Likewise.
4821 (STACK_CHECK_STATIC_BUILTIN): Likewise.
4822 * config/i386/gnu-user64.h: Likewise.
4824 2012-04-13 Martin Jambor <mjambor@suse.cz>
4826 * expr.c (expand_expr_real_1): Pass type, not the expression, to
4827 set_mem_attributes for a memory temporary. Do not call the function
4828 for the memory temporary created for a bitfield.
4830 2012-04-13 Alexandre Oliva <aoliva@redhat.com>
4833 * df.h (enum debug_temp_where): New.
4834 (dead_debug_init, dead_debug_finish) Declare.
4835 (dead_debug_add, dead_debug_insert_temp): Declare.
4836 (struct dead_debug_use, struct dead_debug): Moved from...
4837 * df-problems.c: ... here.
4838 (df_set_unused_notes_for_mw): Bind debug uses of unused regno
4840 (df_create_unused_note): Likewise.
4841 (df_set_dead_notes_for_mw): Move comment where it belongs.
4842 (dead_debug_init): Export.
4843 (dead_debug_reset_uses): New, factored out of...
4844 (dead_debug_finish): ...this. Export.
4845 (dead_debug_reset): Remove.
4846 (dead_debug_add): Export.
4847 (dead_debug_insert_before): Rename to...
4848 (dead_debug_insert_temp): ... this. Add where argument. Export.
4849 Locate stored value for BEFORE_WITH_VALUE. Avoid repeat inserts.
4850 Return insertion count.
4851 (df_note_bb_compute): Adjust.
4852 * dce.c (word_dce_process_block): Adjust dead debug uses.
4853 (dce_process_block): Likewise.
4855 2012-04-13 Alexandre Oliva <aoliva@redhat.com>
4857 * df-problems.c (df_note_bb_compute): Do not take note of
4858 debug uses for whose REGs we won't emit DEAD or UNUSED notes.
4860 2012-04-13 Alexandre Oliva <aoliva@redhat.com>
4863 * var-tracking.c (expand_depth): New type.
4864 (onepart_aux, expand_loc_callback_data): Change depth type to it.
4865 (loc_exp_dep_alloc): Adjust initializer.
4866 (update_depth): Use new type. Add entryvals.
4867 (vt_expand_var_loc_chain): Take note of expansions with
4868 ENTRY_VALUEs, but don't accept them right away. Run an optional
4869 second pass accepting the minimum ENTRY_VALUE count found in the
4871 (vt_expand_loc_callback, INIT_ELCD): Adjust.
4873 2012-04-13 Tom de Vries <tom@codesourcery.com>
4875 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
4876 parameters vuse and vuse_escaped.
4877 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
4878 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
4881 2012-04-13 Richard Guenther <rguenther@suse.de>
4883 PR tree-optimization/52969
4884 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
4885 the condition for the COND_EXPR and handle predicate negation
4886 by swapping the COND_EXPR arms.
4888 2012-04-13 Nick Clifton <nickc@redhat.com>
4890 * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
4891 TODO_dump_func flag.
4893 2012-04-13 Andrey Belevantsev <abel@ispras.ru>
4895 PR rtl-optimization/52203
4896 PR rtl-optimization/52715
4898 Revert the 2012-03-07 fix for PR 52203.
4899 * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
4900 the insn does not modify DFA right before issuing, adjust
4901 issue_rate accordingly.
4903 2012-04-13 Richard Guenther <rguenther@suse.de>
4906 * c-typeck.c (pointer_diff): Remove bogus assert.
4908 2012-04-13 Richard Guenther <rguenther@suse.de>
4911 * convert.c (convert_to_pointer): Remove special-casing of zero.
4913 2012-04-13 Joey Ye <joey.ye@arm.com>
4915 * config/arm/constraints.md (Pe): New constraint.
4916 * config/arm/arm.md: New split for imm 256-510.
4918 2012-04-13 Terry Guo <terry.guo@arm.com>
4920 * config/arm/arm-cores.def: Added core cortex-m0plus.
4921 * config/arm/arm-tune.md: Regenerated.
4922 * config/arm/arm-tables.opt: Regenerated.
4923 * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
4925 2012-04-13 Alan Modra <amodra@gmail.com>
4928 * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
4929 tie regs on destination of sets. Delete forward declaration.
4930 (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
4931 (rs6000_emit_prologue): Likewise.
4932 (rs6000_emit_epilogue): Likewise. Use in place of gen_frame_tie
4934 (is_mem_ref): Use tie_operand to recognise stack ties.
4935 * config/rs6000/predicates.md (tie_operand): New.
4936 * config/rs6000/rs6000.md (restore_stack_block): Generate new
4938 (restore_stack_nonlocal): Likewise.
4939 (stack_tie): Update.
4940 (frame_tie): Delete.
4942 2012-04-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4944 * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
4945 HOST_WIDE_INT_PRINT_DEC in format strings.
4947 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
4950 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
4951 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
4952 * config/i386/sse.md (UNSPEC_VPERMVAR): New.
4953 (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
4954 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
4955 (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
4956 avx2_permvarv8si using VI4F_256 mode iterator.
4957 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
4958 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
4959 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
4960 gen_avx2_permvarv8sf.
4961 (expand_vec_perm_pshufb): Ditto.
4963 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4966 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
4967 the list of options to enable the FCFID instruction.
4968 (TARGET_EXTRA_BUILTINS): Adjust comment.
4970 2012-04-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4972 PR tree-optimization/18589
4973 * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
4974 (operand_entry): Add count field.
4975 (add_repeat_to_ops_vec): New function.
4976 (completely_remove_stmt): Likewise.
4977 (remove_def_if_absorbed_call): Likewise.
4978 (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
4979 (acceptable_pow_call): New function.
4980 (linearize_expr_tree): Look for builtin pow/powi calls and add operand
4981 entries with repeat counts when found.
4982 (repeat_factor_d): New struct and associated typedefs.
4983 (repeat_factor_vec): New static vector variable.
4984 (compare_repeat_factors): New function.
4985 (get_reassoc_pow_ssa_name): Likewise.
4986 (attempt_builtin_powi): Likewise.
4987 (reassociate_bb): Call attempt_builtin_powi.
4988 (fini_reassoc): Two new calls to statistics_counter_event.
4990 2012-04-12 Richard Guenther <rguenther@suse.de>
4992 * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
4993 * cgraph.h (tree_rest_of_compilation): Remove.
4994 * cgraph.c (cgraph_add_new_function): Move ...
4995 * cgraphunit.c (cgraph_add_new_function): ... here.
4996 (tree_rest_of_compilation): Make static.
4997 (cgraph_expand_function): Do not set cgraph_function_flags_ready.
4998 * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
4999 gate_all_early_local_passes, execute_all_early_local_passes,
5000 pass_early_local_passes, gate_all_early_optimizations,
5001 pass_all_early_optimizations): Move ...
5002 * passes.c (gate_all_optimizations, pass_all_optimizations,
5003 gate_all_early_local_passes, execute_all_early_local_passes,
5004 pass_early_local_passes, gate_all_early_optimizations,
5005 pass_all_early_optimizations): ... here.
5006 * tree-optimize.c (execute_free_datastructures): Remove.
5007 * tree-flow.h (execute_free_datastructures): Remove.
5008 * tree-optimize.c (execute_init_datastructures,
5009 pass_init_datastructures): Move ...
5010 * tree-ssa.c (execute_init_datastructures,
5011 pass_init_datastructures): ... here.
5012 * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
5013 execute_free_datastructures.
5015 2012-04-12 Bernd Schmidt <bernds@codesourcery.com>
5017 * dbgcnt.def (ira_move): New counter.
5018 * ira-int.h (ira_create_new_reg): Declare function.
5019 (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
5020 * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
5021 no longer static. All callers changed.
5022 * ira.c: Include "dbgcnt.h".
5023 (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
5024 move_unallocated_pseudos): New static functions.
5025 (first_moveable_pseudo, last_moveable_pseudo): New global variables.
5026 (pseudo_replaced_reg, pseudo_move_insn): New static variables.
5027 (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
5028 * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
5029 to the pseudos generated in find_moveable_pseudos.
5030 * Makefile.in (ira.o): Add $(DBGCNT_H).
5032 2012-04-12 Richard Guenther <rguenther@suse.de>
5034 PR tree-optimization/52943
5035 * tree-chrec.h (chrec_is_positive): Remove.
5036 * tree-scalar-evolution.c (chrec_is_positive): Move ...
5037 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
5038 Return false for a constant zero instead of negative.
5039 (analyze_siv_subscript_cst_affine): Handle zero difference
5040 in the initial condition explicitely.
5042 2012-04-12 Richard Guenther <rguenther@suse.de>
5044 * tree-parloops.c (parallelize_loops): Also consult the upper
5045 bound for the number of iterations.
5046 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
5047 (loop_prefetch_arrays): Likewise.
5049 2012-04-12 Richard Guenther <rguenther@suse.de>
5051 * cfgloop.h (estimated_loop_iterations_int): Ditch
5052 'conservative' parameter.
5053 (max_stmt_executions_int): Likewise.
5054 (estimated_loop_iterations): Likewise.
5055 (max_stmt_executions): Likewise.
5056 (max_loop_iterations): Declare.
5057 (max_loop_iterations_int): Likewise.
5058 (estimated_stmt_executions): Likewise.
5059 (estimated_stmt_executions_int): Likewise.
5060 * tree-ssa-loop-niter.c (estimated_loop_iterations):
5062 (max_loop_iterations): ... this.
5063 (estimated_loop_iterations_int): Split parts to ...
5064 (max_loop_iterations_int): ... this.
5065 (max_stmt_executions_int): Split parts to ...
5066 (estimated_stmt_executions_int): ... this.
5067 (max_stmt_executions): Split parts to ...
5068 (estimated_stmt_executions): ... this.
5069 * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
5070 * predict.c (predict_loops): Likewise.
5071 * tree-data-ref.c (max_stmt_executions_tree): Likewise.
5072 (analyze_siv_subscript_cst_affine): Likewise.
5073 (compute_overlap_steps_for_affine_1_2): Likewise.
5074 (analyze_subscript_affine_affine): Likewise.
5075 (init_omega_for_ddr_1): Likewise.
5076 * tree-parloops.c (parallelize_loops): Likewise.
5077 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
5078 (may_eliminate_iv): Likewise.
5079 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
5080 (loop_prefetch_arrays): Likewise.
5081 * tree-vrp.c (adjust_range_with_scev): Likewise.
5083 2012-04-12 Oleg Endo <olegendo@gcc.gnu.org>
5085 * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
5086 * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
5088 (dump_table): Use bool type for need_align and have_df variables.
5089 (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
5090 (regs_used): Remove register modifier.
5091 (barrier_align): Move variables slot, credit, jump_to_next
5092 into if block above for loop. Use bool type for jump_to_next.
5093 (sh_function_arg): Use NULL_RTX instead of 0.
5095 2012-04-11 Andreas Schwab <schwab@linux-m68k.org>
5097 * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
5098 (bswapsi2): New expander.
5100 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
5102 * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
5103 0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
5105 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
5107 PR rtl-optimization/52876
5108 * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
5109 Don't call mark_reg_pointer for incompatible pointer sign extension.
5111 * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
5114 2012-04-11 Bernd Schmidt <bernds@codesourcery.com>
5116 * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
5117 comparisons against TYPE_PRECISION.
5118 * tree-ssa-forwprop.c (combine_conversions): Likewise.
5120 2012-04-11 Xinliang David Li <davidxl@google.com>
5122 * tree-passes.h: Remove TODO_dump_func.
5123 * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
5124 * trans-mem.c: Remove TODO_dump_func.
5125 * ira.c: Remove TODO_dump_func.
5127 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
5129 * config/i386/i386.c (ix86_option_override_internal): Check
5130 SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
5131 after TARGET_64BIT is updated.
5133 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
5135 * config/sh/sh.h: Remove old secondary reload code.
5137 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
5139 * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
5140 (ready_reorder): ... this function.
5142 2012-04-11 Bernd Schmidt <bernds@codesourcery.com>
5144 * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
5147 * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
5148 insns so that no other insn is queued for a time before them.
5150 * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
5153 2012-04-11 Richard Guenther <rguenther@suse.de>
5156 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
5157 consider loop nesting.
5158 (evolution_function_is_univariate_p): Properly check the remainder
5161 2012-04-11 Richard Guenther <rguenther@suse.de>
5164 * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
5166 2012-04-11 Nick Clifton <nickc@redhat.com>
5168 * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
5169 information, if requested.
5171 * config/rx/rx.c (rx_expand_prologue): Likewise.
5173 2012-04-11 Peter Bergner <bergner@vnet.ibm.com>
5174 Michael Matz <matz@suse.de>
5177 * rtlanal.c (unsigned_reg_p): New function.
5178 Update copyright notice dates.
5179 * rtl.h (unsigned_reg_p): Prototype it.
5180 Update copyright notice dates.
5181 * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
5183 * expr.c (expand_expr_real_1): Set register attributes.
5184 * stmt.c (expand_case): Likewise.
5186 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
5189 * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
5190 consider_sh2a and allow_zero.
5191 * config/sh/sh.c (sh_legitimate_index_p): Likewise.
5192 (disp_addr_displacement): New function.
5193 (sh_address_cost): Use disp_addr_displacement function instead
5194 of DISP_ADDR_OFFSET.
5195 (sh_legitimate_address_p): Adapt to changed
5196 sh_legitimate_index_p declaration.
5197 (sh_find_mov_disp_adjust): Remove HImode check.
5198 (sh_secondary_reload): Add HImode case. Use satisfies_constraint_Sdd,
5199 disp_addr_displacement and max_mov_insn_displacement.
5200 (max_mov_insn_displacement): Remove HImode check.
5201 * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
5202 DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
5203 * config/sh/constraints.md (K05, K13): New constraints.
5204 (K12): Correct comment.
5205 (Sdd): Do not use DISP_ADDR_P macro.
5206 (Snd, Sbw): Use satisfies_constraint_Sdd.
5207 * config/sh/sh.md (extendhisi2): Remove constraints from expander.
5208 (*extendhisi2_compact, movhi_i): Remove.
5209 (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
5210 *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
5211 *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
5212 *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
5213 (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
5214 *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
5215 *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
5217 Add new peepholes for HImode displacement addressing.
5219 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
5221 * config/sh/sh.h (SIDI_OFF): Remove.
5222 * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
5223 DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
5226 2012-04-11 Eric Botcazou <ebotcazou@adacore.com>
5229 * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
5230 (PowerPC AltiVec/VSX Built-in Functions): Remove it.
5231 * doc/md.texi (Standard Names): Add bswap.
5232 * builtin-types.def (BT_UINT16): New primitive type.
5233 (BT_FN_UINT16_UINT16): New function type.
5234 * builtins.def (BUILT_IN_BSWAP16): New.
5235 * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
5236 (expand_builtin) <BUILT_IN_BSWAP16>: New case. Pass TARGET_MODE to
5237 expand_builtin_bswap.
5238 (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
5239 (fold_builtin_1): Likewise.
5240 (is_inexpensive_builtin): Likewise.
5241 * optabs.c (expand_unop): Deal with bswap in HImode specially. Add
5242 missing bits for bswap to libcall code.
5243 * tree.c (build_common_tree_nodes): Build uint16_type_node.
5244 * tree.h (enum tree_index): Add TI_UINT16_TYPE.
5245 (uint16_type_node): New define.
5246 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
5247 * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
5249 (rs6000_init_builtins): Likewise.
5250 * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
5252 2012-04-11 Tristan Gingold <gingold@adacore.com>
5254 * doc/extend.texi (Type Attributes): Move paragraph.
5256 2012-04-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
5259 * diagnostic.h (show_caret): Declare.
5260 (caret_max_width): Declare.
5261 (diagnostic_show_locus): Declare.
5262 * diagnostic.c (diagnostic_initialize): Initialize to false.
5263 (diagnostic_show_locus): New.
5264 (diagnostic_report_diagnostic): Call it.
5265 (getenv_columns): New.
5267 (diagnostic_set_caret_max_width): New.
5268 * input.c (read_line): New.
5269 (location_get_source_line): New.
5270 * input.h (location_get_source_line): Declare.
5271 * toplev.c (general_init): Initialize show_caret from options.
5272 * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
5273 * opts.c (common_handle_option): Likewise.
5274 * pretty-print.h (pp_get_prefix): New.
5275 (pp_base_get_prefix): New.
5276 * common.opt (fdiagnostics-show-caret): New option.
5277 * doc/invoke.texi (fdiagnostics-show-caret): Document it.
5279 2012-04-11 Richard Guenther <rguenther@suse.de>
5281 PR rtl-optimization/52881
5282 * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
5284 2012-04-11 Richard Guenther <rguenther@suse.de>
5286 PR tree-optimization/52912
5287 * tree-ssa-threadupdate.c (thread_block): Tell the cfg
5288 manipulation code we are threading through a loop header
5289 to an exit destination.
5291 2012-04-10 Manuel López-Ibáñez <manu@gcc.gnu.org>
5293 * tree.h (warn_if_unused_value): Move declaration from here.
5294 * stmt.c (warn_if_unused_value): Move definition from here.
5296 2010-04-10 Michael Matz <matz@suse.de>
5298 * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
5300 (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
5301 (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
5302 (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
5303 (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
5304 (vect_strided_store_supported): Rename to vect_grouped_store_supported.
5305 (vect_strided_load_supported): Rename to vect_grouped_load_supported.
5306 (vect_transform_strided_load): Rename to vect_transform_grouped_load.
5307 (vect_record_strided_load_vectors): Rename to
5308 vect_record_grouped_load_vectors.
5309 * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
5310 Rename use of above macros.
5311 (vect_verify_datarefs_alignment): Ditto.
5312 (vector_alignment_reachable_p): Ditto.
5313 (vect_peeling_hash_get_lowest_cost): Ditto.
5314 (vect_enhance_data_refs_alignment): Ditto.
5315 (vect_analyze_group_access): Ditto and rename stride to groupsize.
5316 (vect_analyze_data_ref_access): Rename "strided" to "grouped".
5317 (vect_strided_store_supported): Rename to vect_grouped_store_supported.
5318 (vect_strided_load_supported): Rename to vect_grouped_load_supported.
5319 (vect_transform_strided_load): Rename to vect_transform_grouped_load.
5320 (vect_record_strided_load_vectors): Rename to
5321 vect_record_grouped_load_vectors.
5322 * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
5323 (destroy_loop_vec_info): Ditto.
5324 (vect_transform_loop): Ditto and rename strided_store to grouped_store.
5325 * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
5326 (vect_analyze_slp): Ditto.
5327 (new_bb_vec_info): Ditto.
5328 (destroy_bb_vec_info): Ditto.
5329 (vect_schedule_slp_instance): Ditto and rename strided_store to
5331 * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
5332 vect_cost_group_size.
5333 (vect_model_store_cost): Rename use of above macros and call
5334 to vect_cost_strided_group_size.
5335 (vect_model_load_cost): Ditto.
5336 (vectorizable_store): Ditto, rename strided_store to grouped_store
5337 and calls to renamed tree-vectorizer.h functions.
5338 (vectorizable_load): Ditto.
5339 (vect_transform_stmt): Rename use of above macros and strided_store
5342 2012-04-10 Jan Hubicka <jh@suse.cz>
5344 * cgraph.h: Remove misledaing comment on ipa-ref.h.
5345 (symtab_type): New enum.
5346 (symtab_node): New structure.
5347 (cgraph_node, varpool_node): Add symbol base type.
5348 (cgraph, varpool): New accestor functions.
5349 * cgraph.c (cgraph_create_node_1): Set symbol type.
5350 * varpool.c (varpool_node): Set symbol type.
5352 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
5353 Richard Sandiford <rdsandiford@googlemail.com>
5355 * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
5357 2012-04-10 Richard Guenther <rguenther@suse.de>
5360 * gimple-low.c (gimple_check_call_args): Properly account for
5361 compatible aggregate types.
5363 2012-04-10 Richard Guenther <rguenther@suse.de>
5365 * toplev.h (tree_rest_of_compilation): Remove.
5366 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5367 * cgraph.h (tree_rest_of_compilation): Declare.
5368 * tree-optimize.c (tree_rest_of_compilation): Move ...
5369 * cgraphunit.c (tree_rest_of_compilation): ... here.
5370 * cgraph.c (cgraph_add_new_function): Adjust.
5371 * Makefile.in (tree-optimize.o): Adjust.
5372 (cgraphunit.o): Likewise.
5374 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
5376 PR tree-optimization/52870
5377 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
5378 presumed pattern statement is within the same loop or basic block.
5380 2012-04-10 Tristan Gingold <gingold@adacore.com>
5382 * gengtype.c (main): Make uintptr_t a known type.
5384 2012-04-10 Richard Guenther <rguenther@suse.de>
5386 * tree-pass.h (tree_lowering_passes): Remove.
5387 * tree-optimize.c (tree_lowering_passes): Remove.
5388 * cgraph.c (cgraph_add_new_function): Inline relevant parts
5389 of tree_lowering_passes, avoid redundant call of early local passes.
5390 * cgraphunit.c (cgraph_lower_function): Fold into ...
5391 (cgraph_analyze_function): ... its single caller. Inline
5392 relevant parts of tree_lowering_passes.
5394 2012-04-09 H.J. Lu <hongjiu.lu@intel.com>
5397 * config/pa/pa.opt: Remove SIO and GNU_LD.
5399 2012-04-09 Jan Hubicka <jh@suse.cz>
5404 * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
5405 boundary, add its target too.
5406 * lto.c (add_references_to_partition): Add also aliased nodes.
5407 (add_cgraph_node_to_partition,
5408 add_varpool_node_to_partition): Work on nodes, not functions/variables;
5409 when adding alias, add also the aliased object.
5411 2012-04-09 Uros Bizjak <ubizjak@gmail.com>
5414 * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
5415 VOIDmode immediate operands.
5416 * config/i386/constraints.md (Wz): New constraint.
5417 * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
5419 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
5422 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
5423 the DECL generated for the special GOT helper.
5425 2012-04-09 Oleg Endo <olegendo@gcc.gnu.org>
5427 * config/sh/constraints.md: Update list of constraints in
5429 (Sr0): Remove unused memory constraint.
5431 2012-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
5433 * tree-pretty-print.h: Update comment.
5435 2012-04-08 Oleg Endo <olegendo@gcc.gnu.org>
5437 * config/sh/sh.md: Use braced string notation where applicable.
5438 (*prefetch_i4, prefetch_m2a): Merge into ...
5439 (*prefetch): ... this new insn.
5441 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
5443 * config/sh/sh.h (high_life_started): Remove
5444 * config/sh/predicates.md (general_movdst_operand): Use
5445 'reload_in_progress' instead of 'high_life_started'.
5446 * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
5447 divsi_inv_fp): Likewise.
5449 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
5451 * config/sh/sh-protos.h (prepare_move_operands): Return void
5453 * config/sh/sh.c (prepare_move_operands): Likewise.
5454 * config/sh/sh.md: Remove return value checks of prepare_move_operands.
5456 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
5458 * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
5459 general_movsrc_operand, general_movdst_operand, arith_reg_operand,
5460 fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
5461 logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
5462 commutative_float_operator, noncommutative_float_operator,
5463 sh_handle_pragma): Remove.
5465 2012-04-06 Sandra Loosemore <sandra@codesourcery.com>
5467 * doc/invoke.texi: Clean up Texinfo markup throughout the file.
5468 Use @option markup on command-line options. Use @samp markup on
5469 literal keywords to options. Use @code markup on code fragments.
5470 Use other markup in preference to quotation marks in the text.
5471 Add markup to some passages without any.
5473 2012-04-06 Mike Stump <mikestump@comcast.net>
5475 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
5477 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
5479 * config/sh/sh.c (hi_const): Remove.
5480 (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
5483 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
5485 * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
5487 * config/sh/sh.c (sh_expand_t_scc): Likewise.
5488 * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
5489 calling sh_expand_t_scc.
5491 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
5493 * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
5494 nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
5495 sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
5496 reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
5497 sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
5498 sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
5499 check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
5500 sh2a_is_function_vector_call): Use bool as return type.
5501 (sh_pass_in_reg_p): Remove.
5502 * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
5503 flow_dependent_p, sh2a_function_vector_p, expand_block_move,
5504 expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
5505 sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
5506 sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
5507 sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
5508 fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
5509 sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
5510 sh_loads_bankedreg_p): Use bool as return type.
5511 (nonpic_symbol_mentioned_p): Use bool as return type. Remove
5512 'register' modifier.
5514 2012-04-06 Matt Turner <mattst88@gmail.com>
5516 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
5518 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
5520 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
5521 of the destination isn't also a FP_REGS register.
5523 2012-04-05 Teresa Johnson <tejohnson@google.com>
5524 H.J. Lu <hongjiu.lu@intel.com>
5526 * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
5527 * config/i386/i386.md (move immediate to memory peephole2):
5528 Add cases for HImode move when LCP stall avoidance is needed.
5529 * config/i386/i386.c (initial_ix86_tune_features): Initialize
5530 X86_TUNE_LCP_STALL entry.
5532 2012-04-05 Uros Bizjak <ubizjak@gmail.com>
5535 * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
5536 CONST_INT operands, zero-extended with AND.
5538 2012-04-05 Oleg Endo <olegendo@gcc.gnu.org>
5541 * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
5542 first argument instead of mode size. Move displacement calculations
5544 (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
5545 ... these new functions.
5546 (disp_adjust): Remove max_mov_disp field.
5547 (sh_legitimate_index_p): Use max_mov_insn_displacement and
5548 mov_insn_alignment_mask.
5549 (sh_address_cost): Use max_mov_insn_displacement.
5551 2012-04-05 Andrew Stubbs <ams@codesourcery.com>
5553 * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
5554 (arch_enabled): Handle new arch types.
5555 (one_cmpldi2): Add NEON support.
5557 2012-04-05 Richard Guenther <rguenther@suse.de>
5559 * gimple.c (walk_gimple_op): Compute val_only for the LHS
5560 of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
5561 (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
5562 * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
5563 ... here and make static.
5564 * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
5567 2012-04-05 Richard Guenther <rguenther@suse.de>
5569 * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
5570 basic-block before removing it.
5572 2012-04-05 Richard Guenther <rguenther@suse.de>
5574 * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
5575 version namespace as we release the freelist.
5577 2012-04-05 Richard Guenther <rguenther@suse.de>
5579 * tree-nrv.c (tree_nrv): Release VDEFs.
5580 * tree-sra.c (sra_modify_constructor_assign): Likewise.
5581 (sra_modify_assign): Likewise.
5582 * tree-vect-stmts.c (vect_remove_stores): Likewise.
5583 * tree-vect-loop.c (vect_transform_loop): Likewise.
5584 * tree-ssa-dom.c (optimize_stmt): Likewise.
5585 * tree-vect-slp.c (vect_schedule_slp): Likewise.
5586 * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
5588 2012-04-05 Richard Guenther <rguenther@suse.de>
5590 * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
5592 * gimple.h (gsi_remove): Adjust.
5593 * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
5594 * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
5595 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5596 * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
5597 * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
5598 * tree-ssa-pre.c (eliminate): Likewise.
5600 2012-04-04 Mike Stump <mikestump@comcast.net>
5602 * doc/rtl.texi (const_double): Document as sign-extending.
5603 * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
5604 * emit-rtl.c (immed_double_int_const): Refine to state the
5606 * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
5607 CONST_DOUBLE integers.
5608 (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
5609 negative values are converted. Fix conversions bigger than
5610 HOST_BITS_PER_WIDE_INT.
5611 (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
5612 (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
5613 * explow.c (plus_constant_mode): Add.
5614 (plus_constant): Implement with plus_constant_mode.
5615 * rtl.h (plus_constant_mode): Add.
5617 2012-04-04 Richard Guenther <rguenther@suse.de>
5619 PR tree-optimization/52808
5620 * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
5621 * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
5623 2012-04-04 Tristan Gingold <gingold@adacore.com>
5625 * expr.c (expand_expr_real_2): Handle larger sizetype in
5628 2012-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
5630 * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
5631 to m2a-single instead of m2e.
5633 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
5635 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
5636 Change type of BITOFFSET to signed. Make sure the lower bound of
5637 the computed range is non-negative by adjusting OFFSET and BITPOS.
5638 (expand_assignment): Adjust call to get_bit_range.
5640 2012-04-03 Sandeep Kumar Singh <Sandeep.Singh2@kpitcummins.com>
5642 * h8300/h8300.c (h8300_current_function_monitor_function_p):
5643 New function. Added to check monitor functions.
5644 (h8300_option_override): Modified to generate error/warning
5645 messages for invalid combinations of different command line
5647 * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
5648 save EXR on stack for monitor function in case of H8S target
5649 when "-mno-exr" is passed.
5650 * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
5652 * doc/invoke.texi: Document H8S options.
5654 2012-04-03 Tristan Gingold <gingold@adacore.com>
5656 * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
5657 of gcc_AC_FUNC_MMAP_BLACKLIST.
5658 * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
5659 * Makefile.in (aclocal_deps): Add mmap.m4.
5660 * configure: Regenerate.
5661 * aclocal.m4: Regenerate.
5663 2012-04-03 Richard Guenther <rguenther@suse.de>
5665 PR tree-optimization/52808
5666 * tracer.c (tail_duplicate): Return whether we have duplicated
5668 (tracer): If we have duplicated any block, cleanup the CFG.
5669 * cfghooks.c (duplicate_block): If we duplicated a loop
5670 header but not its loop, destroy the loop because it now has
5672 * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
5673 the cfg manipulation routines we are not creating a multiple
5676 2012-04-03 Tristan Gingold <gingold@adacore.com>
5678 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
5680 (vms_c_common_override_options): Allow parameterless variadic
5683 2012-04-03 Jakub Jelinek <jakub@redhat.com>
5685 PR tree-optimization/52835
5686 * tree-data-ref.c (build_rdg): Return NULL if
5687 compute_data_dependences_for_loop failed.
5689 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
5691 * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
5692 for REAL_CST as well.
5693 (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
5694 In the bitfield case, if the value is a REAL_CST, convert it first to
5697 2012-04-02 H.J. Lu <hongjiu.lu@intel.com>
5699 * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
5700 for --with-abi={x32|mx32} or --with-multilib-list=mx32.
5701 (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
5703 * config/i386/biarchx32.h: New.
5705 2012-04-02 Anatoly Sokolov <aesok@post.ru>
5707 * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
5708 * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
5709 (arm_preferred_reload_class): New function.
5711 2012-04-02 Richard Guenther <rguenther@suse.de>
5713 PR tree-optimization/52756
5714 * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
5715 (thread_through_loop_header): After threading through the loop latch
5716 remove the split part from the loop and clear further threading
5717 opportunities that would create a multiple entry loop.
5719 2012-04-02 Richard Guenther <rguenther@suse.de>
5721 PR rtl-optimization/52800
5722 * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
5723 CLEANUP_CFG_CHANGED.
5725 2012-04-02 Richard Guenther <rguenther@suse.de>
5728 * loop-init.c (gate_handle_loop2): Destroy loops here if
5729 we don't enter RTL loop optimizers.
5731 2012-04-02 Uros Bizjak <ubizjak@gmail.com>
5734 2012-03-29 Richard Guenther <rguenther@suse.de>
5736 * rtl.h (extended_count): Remove.
5737 * combine.c (extended_count): Remove.
5739 2012-04-02 Dodji Seketeli <dodji@redhat.com>
5742 * pt.c (more_specialized_fn): Don't apply decay conversion to
5743 types of function parameters.
5745 2012-04-02 Tristan Gingold <gingold@adacore.com>
5747 * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
5748 (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
5749 (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
5750 (ggc_pch_this_base): Use uintptr_t instead of size_t.
5752 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
5755 * config/i386/i386.c (ix86_option_override_internal): Don't
5756 check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
5758 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
5760 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
5761 (stmt_can_make_abnormal_goto): Use it.
5762 (is_ctrl_altering_stmt): Likewise.
5764 2012-03-30 Naveen H.S <naveen.S@kpitcummins.com>
5765 Kaz Kojima <kkojima@gcc.gnu.org>
5767 * config/sh/sh.c (push_regs): Skip banked registers when
5768 resbank attribute is specified.
5769 (sh_expand_epilogue): Likewise.
5771 2012-03-30 Richard Henderson <rth@redhat.com>
5774 * combine-stack-adj.c (prev_active_insn_bb): New.
5775 (next_active_insn_bb): New.
5776 (force_move_args_size_note): New.
5777 (combine_stack_adjustments_for_block): Use it.
5779 2012-03-30 Richard Henderson <rth@redhat.com>
5781 * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
5782 (ix86_expand_vector_init_duplicate): Initialize it.
5783 (expand_vec_perm_palignr): Likewise.
5784 (ix86_expand_vec_perm_const): Likewise.
5785 (ix86_vectorize_vec_perm_const_ok): Likewise.
5786 (expand_vec_perm_blend): Use it.
5787 (expand_vec_perm_vpermil): Likewise.
5788 (expand_vec_perm_pshufb): Likewise.
5789 (expand_vec_perm_1): Likewise.
5790 (expand_vec_perm_pshuflw_pshufhw): Likewise.
5791 (expand_vec_perm_interleave2): Likewise.
5792 (expand_vec_perm_vpermq_perm_1): Likewise.
5793 (expand_vec_perm_vperm2f128): Likewise.
5794 (expand_vec_perm_interleave3): Likewise.
5795 (expand_vec_perm_vperm2f128_vblend): Likewise.
5796 (expand_vec_perm_vpshufb2_vpermq): Likewise.
5797 (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
5798 (expand_vec_perm_broadcast): Likewise.
5799 (expand_vec_perm_vpshufb4_vpermq2): Likewise.
5801 2012-03-30 Richard Henderson <rth@redhat.com>
5803 * dwarf2out.c (gen_variable_die): Initialize off.
5805 2012-03-30 Tristan Gingold <gingold@adacore.com>
5807 * config/vms/vms-f.c: New file.
5808 * config/vms/t-vms (vms-f.o): New rule.
5809 * config.gcc (*-*-*vms*): Define fortran_target_objs.
5811 2012-03-30 Richard Guenther <rguenther@suse.de>
5813 PR tree-optimization/52754
5814 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
5815 propagate arbitrary addresses into really plain dereferences.
5817 2012-03-30 Richard Guenther <rguenther@suse.de>
5820 * except.c (emit_to_new_bb_before): Move loop updating ...
5821 (dw2_build_landing_pads): ... here. Use a proper block for
5822 querying the loop father.
5824 2012-03-30 Tristan Gingold <gingold@adacore.com>
5826 * config/ia64/ia64.c (ia64_section_type_flags): Remove
5827 common_object attribute handling.
5828 (SECTION_VMS_OVERLAY): Remove
5829 (ia64_vms_common_object_attribute): Replace abort with an assert.
5830 Do not set DECL_SECTION_NAME.
5831 (ia64_vms_output_aligned_decl_common): Handle common_object
5833 (ia64_vms_elf_asm_named_section): Remove.
5834 * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
5836 2012-03-30 Richard Guenther <rguenther@suse.de>
5839 * double-int.c (rshift_double): Remove not needed cast.
5841 2012-03-30 Richard Guenther <rguenther@suse.de>
5843 * tree-affine.h (print_aff): Remove.
5844 * tree-affine.c (print_aff): Make static.
5845 * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
5846 (get_references_in_stmt): Likewise.
5847 (print_direction_vector): Likewise.
5848 (print_dir_vectors): Likewise.
5849 (print_dist_vectors): Likewise.
5850 (dump_subscript): Likewise.
5851 (dump_ddrs): Likewise.
5852 (dump_dist_dir_vectors): Likewise.
5853 (dump_data_references): Likewise.
5854 (dump_data_dependence_relation): Likewise.
5855 (dump_data_dependence_direction): Likewise.
5856 (dump_rdg_vertex): Likewise.
5857 (dump_rdg_component): Likewise.
5858 (debug_ddrs): Declare.
5859 (struct data_ref_loc_d): Move ...
5860 * tree-data-ref.c (struct data_ref_loc_d): ... here.
5861 (get_references_in_stmt): Make static.
5862 (dump_data_references): Likewise.
5863 (dump_subscript): Likewise.
5864 (print_direction_vector): Likewise.
5865 (print_dir_vectors): Likewise.
5866 (print_dist_vectors): Likewise.
5867 (dump_data_dependence_relation): Likewise.
5868 (dump_dist_dir_vectors): Likewise.
5869 (dump_ddrs): Likewise.
5870 (dump_rdg_vertex): Likewise.
5871 (dump_rdg_component): Likewise.
5872 (debug_ddrs): New function.
5873 (access_matrix_get_index_for_parameter): Remove.
5875 2012-03-30 Tristan Gingold <gingold@adacore.com>
5877 * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
5878 (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
5879 (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
5880 (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
5881 (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
5882 (vms_patch_builtins): Handle new flags
5883 * config/vms/vms-crtlmap.map: Completed using nm on
5884 c and math system libraries.
5885 * config/vms/make-crtlmap.awk: Handle any number of flags.
5887 2012-03-30 Martin Jambor <mjambor@suse.cz>
5889 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
5890 is a builtin_stack_save in a dominating BB.
5892 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
5894 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
5895 crossing 128bit lane boundary.
5897 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
5899 * ira-color.c (setup_left_conflict_sizes_p): Process all
5900 conflicting objects.
5902 2012-03-29 Jakub Jelinek <jakub@redhat.com>
5904 PR tree-optimization/52760
5905 * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
5906 shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
5908 2012-03-29 Richard Guenther <rguenther@suse.de>
5910 * cgraph.h (cgraph_materialize_all_clones): Remove.
5911 (reset_inline_failed): Likewise.
5912 * cgraphunit.c (cgraph_materialize_all_clones): Make static.
5913 * cgraphbuild.c (reset_inline_failed): Remove.
5914 * rtl.h (cse_main): Remove.
5915 (extended_count): Likewise.
5916 * cse.c (dump_class): Mark as DEBUG_FUNCTION.
5917 (cse_main): Make static.
5918 * combine.c (extended_count): Remove.
5919 (dump_combine_stats): Mark as DEBUG_FUNCTION.
5920 * basic-block.h (reorder_basic_blocks): Remove.
5921 * bb-reorder.c (reorder_basic_blocks): Make static.
5922 * Makefile.in (dse.o): Remove dse.h dependency.
5924 * dse.c (gate_dse): Remove.
5925 (clear_alias_mode_eq): Likewise.
5926 (clear_alias_mode_hash): Likewise.
5927 (dse_record_singleton_alias_set): Likewise.
5928 (dse_invalidate_singleton_alias_set): Likewise.
5930 2012-03-29 H.J. Lu <hongjiu.lu@intel.com>
5932 * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
5933 crtbegin_so%O%s for -shared.
5934 (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
5936 2012-03-29 Richard Guenther <rguenther@suse.de>
5938 * tree-flow.h (struct pre_expr_d): Remove forward declaration.
5939 (add_to_value): Remove.
5940 (print_value_expressions): Likewise.
5941 * tree-ssa-pre.c (add_to_value): Make static.
5942 (print_value_expressions): Likewise.
5943 * gimple.h (gimple_adjust_this_by_delta): Remove.
5944 * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
5946 2012-03-29 Richard Guenther <rguenther@suse.de>
5949 * double-int.h (rshift_double): Remove.
5950 * double-int.c (lshift_double): Use absu_hwi to make count positive.
5951 (rshift_double): Make static, take unsigned count argument,
5952 remove handling of negative count argument.
5953 (double_int_rshift): Dispatch to lshift_double.
5955 2012-03-28 H.J. Lu <hongjiu.lu@intel.com>
5957 * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
5960 * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
5961 (SPEC_X32): Likewise.
5962 (MULTILIB_DEFAULTS): Likewise.
5964 * config/i386/i386.c (isa_opts): Remove -m64.
5965 (ix86_target_string): Properly handle -m32/-m64/-mx32.
5966 (ix86_option_override_internal): Properly
5967 set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
5968 handle -m32, -m64 and -mx32.
5970 * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
5971 with OPTION_ABI_X32. Moved after TARGET_LP64.
5972 (TARGET_LP64): Changed to OPTION_ABI_64.
5974 * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
5975 (mx32): Replace ISA_X32 with ABI_X32.
5977 2012-03-28 Eric Botcazou <ebotcazou@adacore.com>
5979 * tree.c (tree_size) <VECTOR_CST>: New case.
5981 2012-03-28 Uros Bizjak <ubizjak@gmail.com>
5983 * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
5984 (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
5986 2012-03-28 Jakub Jelinek <jakub@redhat.com>
5989 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
5990 __builtin_va_start to __builtin_next_arg if the latter is
5991 builtin_decl_explicit_p rather than when it is not.
5994 * tree-vect-generic.c (vector_element): Perform multiplication
5995 for pos in bitsizetype type instead of idx type.
5997 2012-03-28 Richard Guenther <rguenther@suse.de>
5999 * loop-init.c (loop_optimizer_init): If loops are preserved
6000 perform incremental initialization of required loop features.
6001 (loop_optimizer_finalize): If loops are to be preserved only
6002 clean up optional loop features.
6003 (rtl_loop_done): Forcefully free loops here.
6004 * cgraph.c (cgraph_release_function_body): Forcefully free loops.
6005 * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
6007 (construct_init_block): Likewise.
6008 (construct_exit_block): Likewise.
6009 (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state. Cleanup
6010 the CFG after expanding.
6011 * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
6012 If we needed to calculate them, free them afterwards.
6013 * tree-pass.h (PROP_loops): New define.
6014 * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
6015 * basic-block.h (CLEANUP_CFG_CHANGED): New.
6016 * cfgcleanup.c (merge_blocks_move): Protect loop latches.
6017 (cleanup_cfg): If we did something and have loops around, fix them up.
6018 * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
6019 with CLEANUP_CFG_CHANGED.
6020 * cfghooks.c (merge_blocks): If we merge a loop header into
6021 its predecessor, update the loop structure.
6022 (duplicate_block): If we copy a loop latch, adjust loop state
6023 to note we may have multiple latches.
6024 (delete_basic_block): Mark loops for fixup if we remove a loop.
6025 * cfganal.c (forwarder_block_p): Protect loop latches, headers
6027 * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
6028 (cfg_layout_can_merge_blocks_p): Likewise.
6029 * cprop.c (bypass_block): If we create a loop with multiple
6030 entries, mark it for removal.
6031 * except.c (emit_to_new_bb_before): Add the new basic-block
6033 * tree-eh.c (lower_resx): Likewise.
6034 * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
6035 (expand_omp_taskreg): Likewise.
6036 * tree-inline.c (initialize_cfun): Likewise.
6037 * tree-mudflap.c (add_bb_to_loop): Prototype.
6038 (mf_build_check_statement_for): Properly add new basic-blocks
6040 * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
6041 if we remove a loop.
6042 (thread_through_loop_header): Likewise.
6043 * trans-mem.c (tm_log_emit_save_or_restores): Properly add
6044 new basic-blocks to existing loops.
6045 (expand_transaction): Likewise.
6046 * Makefile.in (except.o): Add $(CFGLOOP_H).
6048 (cgraph.o): Likewise.
6049 (cprop.o): Likewise.
6050 (cfgexpand.o): Likewise.
6051 (cfganal.o): Likewise.
6052 (trans-mem.o): Likewise.
6053 (tree-eh.o): Likewise.
6055 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
6058 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
6059 (avr_builtin_decl): New static function.
6060 (struct avr_builtin_description, avr_bdesc): Move up.
6061 Add GTY marker. Add field fndecl. Remove redundant field id.
6062 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
6063 (avr_expand_builtin): Code cleanup because .id is removed.
6065 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
6068 * config.gcc (tm_file): Remove avr/multilib.h.
6070 * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
6072 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
6073 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
6074 * config/avr/t-avr: Remove generation of multilib.h.
6075 * config/avr/t-multilib: Regenerate.
6076 * config/avr/multilib.h: Remove.
6077 * config/avr/avr.opt (-msp8): New option.
6078 (avr_sp8): New variable.
6079 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
6080 * config/avr/avr.h (AVR_HAVE_SPH): New define.
6081 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
6082 (avr_device_to_sp8): New prototype.
6083 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
6084 (DRIVER_SELF_SPECS): New define.
6085 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
6086 __AVR_SP8__, __AVR_HAVE_SPH__.
6087 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
6088 AVR_HAVE_8BIT_SP to decide if SP_H is present.
6089 (avr_file_start): Ditto.
6091 2012-03-28 Jakub Jelinek <jakub@redhat.com>
6094 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
6095 instead of 8 in adjust_address.
6097 2012-03-27 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
6100 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
6103 2012-03-27 Oleg Endo <olegendo@gcc.gnu.org>
6106 * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
6107 Rearrange conditional logic. Move displacement address calculations
6109 (sh_find_mov_disp_adjust): ... this new function.
6111 2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
6113 * config/arm/arm.opt (mapcs): Remove MaskExists.
6114 * config/cris/linux.opt (mno-gotplt): Likewise.
6115 * config/i386/i386.opt (mhard-float): Likewise.
6117 (mno-sse4): Likewise.
6118 * config/m68k/m68k.opt (mhard-float): Likewise.
6119 * config/mep/mep.op (mcop32): Likewise.
6120 * config/pa/pa-hpux.opt (msio): Likewise.
6121 * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
6122 * config/picochip/picochip.opt (mlittle): Likewise.
6123 * config/sh/sh.opt (mrenesas): Likewise.
6124 * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
6125 * config/sparc/sparc.opt (mhard-float): Likewise.
6126 * config/v850/v850.opt (mv850es): Likewise.
6127 * config/vax/vax.opt (mg-float): Likewise.
6129 2012-03-27 Martin Jambor <mjambor@suse.cz>
6132 * tree-sra.c (sra_modify_assign): Do not call
6133 load_assign_lhs_subreplacements when working with an unscalarizable
6136 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
6139 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
6141 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
6142 * config/i386/i386.c: Include reload.h.
6143 (ix86_legitimize_reload_address): New function.
6145 2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
6147 * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
6148 hasn't been allocated. Define a target macro for Mask and
6149 InverseMask if it hasn't been defined. Remove MaskExists handling.
6151 * doc/options.texi: Remove MaskExists.
6153 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
6156 * config/sh/sh.c (find_barrier): Add equality check of last_got
6157 to avoid going above orig insn. Update comments.
6159 2012-03-27 Richard Guenther <rguenther@suse.de>
6162 * fold-const.c (try_move_mult_to_index): Handle &x.array more
6165 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
6167 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
6168 of a unit before computing the offset in units.
6169 * expr.c (get_bit_range): Return the null range if the enclosing record
6170 is part of a larger bit field.
6172 2012-03-27 Tristan Gingold <gingold@adacore.com>
6174 * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
6175 * config/ia64/ia64.md: Remove mode in template.
6176 Sign extend operand in expand_simple_binop.
6177 * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
6178 CASE_VECTOR_MODE instead of TARGET_ILP32.
6179 (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
6181 2012-03-26 Steven Bosscher <steven@gcc.gnu.org>
6183 * varasm.c (assemble_external): #if 0 out the new assert from the
6184 previous commit, it breaks the Java and Go front ends.
6186 2012-03-26 Steven Bosscher <steven@gcc.gnu.org>
6188 * toplev.c (check_global_declaration_1): Do not call assemble_external.
6189 * expr.c (emit_block_move_libcall_fn): Likewise.
6190 (clear_storage_libcall_fn): Likewise.
6191 (expand_expr_addr_expr_1): Likewise.
6192 (expand_expr_real_1): Likewise.
6193 * calls.c (rtx_for_function_call): Likewise.
6195 * varasm.c (assemble_external): Assert this function is only called
6196 during or after expanding to RTL.
6198 2012-03-26 Martin Jambor <mjambor@suse.cz>
6200 PR tree-optimization/50052
6201 * tree-sra.c (tree_non_aligned_mem_p): Removed.
6202 (tree_non_aligned_mem_for_access_p): Likewise.
6203 (build_accesses_from_assign): Removed strict alignment requirements
6205 (access_precludes_ipa_sra_p): Likewise.
6207 2012-03-26 Richard Guenther <rguenther@suse.de>
6209 PR tree-optimization/52701
6210 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
6211 compute and set the evolution part of PHI nodes.
6213 2012-03-26 Richard Guenther <rguenther@suse.de>
6215 PR tree-optimization/52721
6216 * tree-vect-stmts.c (vect_init_vector): Handle scalars.
6218 2012-03-26 Ulrich Weigand <ulrich.weigand@linaro.org>
6220 PR tree-optimization/52686
6221 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
6224 2012-03-26 Tristan Gingold <gingold@adacore.com>
6226 * config/alpha/vms.h (LINK_SPEC): Simplify.
6227 (STARTFILE_SPEC): Remove -mvms-return-codes handling.
6228 (NAME__MAIN, SYMBOL__MAIN): Remove.
6229 (VMS_DEBUG_MAIN_POINTER): Remove.
6230 * config/ia64/vms.h: Likewise.
6231 * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
6232 code to vms.c. Call vms_start_function.
6233 * config/ia64/ia64.c (ia64_start_function): Likewise.
6234 * config/vms/vms-protos.h (vms_start_function): Declare.
6235 * config/vms/vms.c (vms_start_function): New function.
6236 * config/vms/vms.h (MATH_LIBRARY): Define.
6237 (VMS_DEBUG_MAIN_POINTER): Define.
6239 2012-03-26 Eric Botcazou <ebotcazou@adacore.com>
6241 PR rtl-optimization/52629
6242 * reload1.c (count_pseudo): Short-circuit common case.
6243 (count_spilled_pseudo): Return early for pseudos without hard regs.
6244 Assert that the pseudo has got a hard reg before manipulating it.
6246 2012-03-24 Jan Hubicka <jh@suse.cz>
6249 * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
6250 (decide_is_variable_needed): Do not handle toplevel reorder here.
6251 * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
6252 * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
6255 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
6257 * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
6258 and str_bitsize instead of more convoluted expressions.
6260 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
6263 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
6265 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
6268 * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
6270 2012-03-23 Martin Jambor <mjambor@suse.cz>
6272 * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
6274 2012-03-23 Richard Guenther <rguenther@suse.de>
6276 PR tree-optimization/52678
6277 * tree-vectorizer.h (struct _stmt_vec_info): Add
6278 loop_phi_evolution_part member.
6279 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
6280 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
6281 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
6282 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6283 Use the cached evolution part and the PHI nodes value from
6284 the loop preheader edge instead of re-analyzing the evolution.
6286 2012-03-22 Maxim Kuvyrkov <maxim@codesourcery.com>
6288 * config/mips/mips-tables.opt: Update.
6289 * config/mips/mips.md (processor): Add xlp.
6290 * config/mips/mips-cpus.def: Add xlp.
6291 * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
6293 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
6294 * doc/invoke.texi: Mention XLP.
6296 2012-03-22 Jakub Jelinek <jakub@redhat.com>
6299 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
6300 on any new_local_var_chain vars declared during recursing on
6301 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
6303 2012-03-22 Uros Bizjak <ubizjak@gmail.com>
6305 * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
6306 (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
6307 (ASM_OUTPUT_LOCAL): Ditto.
6308 (ASM_OUTPUT_COMMON): Remove.
6309 * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
6310 * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
6312 2012-03-22 Jan Hubicka <jh@suse.cz>
6315 * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
6317 * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
6318 * ipa-inline-transform.c (save_inline_function_body): Remove
6319 copied clone if needed.
6320 * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
6322 2012-03-22 Richard Guenther <rguenther@suse.de>
6325 * fold-const.c (fold_ternary_loc): Fix typo.
6327 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
6330 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
6331 (unspecv): Add UNSPECV_MEMORY_BARRIER.
6332 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
6333 (delay_cycles_1, delay_cycles_2): Ditto.
6334 (delay_cycles_3, delay_cycles_4): Ditto.
6335 (nopv, *nopv): Ditto.
6336 (sleep, *sleep): Ditto.
6339 2012-03-22 Richard Guenther <rguenther@suse.de>
6341 PR tree-optimization/52548
6342 * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
6343 because of clobbers.
6344 (prune_clobbered_mems): New function.
6345 (compute_antic_aux): Use it to prune ANTIC_OUT.
6346 (compute_partial_antic_aux): Use it to prune PA_IN.
6347 (compute_avail): Only insert expressions into EXP_GEN that are not
6348 invalidated when translated up to the beginning of the block.
6350 2012-03-22 Richard Guenther <rguenther@suse.de>
6352 PR tree-optimization/52638
6353 * tree-vect-stmts.c (vect_init_vector_1): New function, split
6355 (vect_init_vector): ... here. Handle scalar vector inits.
6356 (vect_get_vec_def_for_operand): Adjust.
6357 (vectorizable_load): Likewise.
6359 2012-03-22 Uros Bizjak <ubizjak@gmail.com>
6361 * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
6362 (alpha*-*-freebsd*): Ditto.
6363 (alpha*-*-netbsd*): Ditto.
6364 (alpha*-*-openbsd*): Ditto.
6365 * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
6366 (DWARF2_DEBUGGING_INFO): Remove.
6367 (PREFERRED_DEBUGGING_TYPE): Remove.
6368 (ASM_FINAL_SPEC): Remove.
6369 (IDENT_ASM_OP): Remove.
6370 (ASM_OUTPUT_IDENT): Remove.
6371 (SKIP_ASM_OP): Remove.
6372 (ASM_OUTPUT_SKIP): Remove.
6373 (ALIGN_ASM_OP): Remove.
6374 (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
6375 (ASM_OUTPUT_CASE_LABEL): Remove.
6376 (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
6377 (COMMON_ASM_OP): Remove.
6378 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
6379 (ASCII_DATA_ASM_OP): Remove.
6380 (READONLY_DATA_SECTION_ASM_OP): Remove.
6381 (INIT_SECTION_ASM_OP): Remove.
6382 (FINI_SECTION_ASM_OP): Remove.
6383 (ASM_SECTION_START_OP): Remove.
6384 (ASM_OUTPUT_SECTION_START_FILE): Remove.
6385 (TARGET_ASM_NAMED_SECTION): Remove.
6386 (TARGET_ASM_SELECT_SECTION): Remove.
6387 (MAKE_DECL_ONE_ONLY): Remove.
6388 (TYPE_ASM_OP): Remove.
6389 (SIZE_ASM_OP): Remove.
6390 (ASM_WEAKEN_LABEL): Remove.
6391 (TYPE_OPERAND_FMT): Remove.
6392 (ASM_DECLARE_RESULT): Remove.
6393 (ASM_DECLARE_OBJECT_NAME): Remove.
6394 (ASM_FINISH_DECLARE_OBJECT): Remove.
6395 (ELF_ASCII_ESCAPES): Remove.
6396 (ELF_STRING_LIMIT): Remove.
6397 (STRING_ASM_OP): Remove.
6398 (ASM_OUTPUT_EXTERNAL): Remove.
6399 (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
6400 * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
6402 (ASM_DECLARE_FUNCTION_NAME): Ditto.
6403 (ASM_DECLARE_FUNCTION_SIZE): Ditto.
6404 (ASM_GENERATE_INTERNAL_LABEL): Ditto.
6405 (ASM_OUTPUT_SKIP): Ditto.
6406 (READONLY_DATA_SECTION_ASM_OP): Remove.
6407 (USER_LABEL_PREFIX): Remove.
6408 (ASM_OUTPUT_ASCII): Remove.
6409 (ASM_OUTPUT_CASE_LABEL): Remove.
6410 (NO_DOLLAR_IN_LABEL): Undefine.
6412 2012-03-22 Richard Guenther <rguenther@suse.de>
6414 PR tree-optimization/52459
6415 * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
6416 PHI insertion for calls.
6418 2012-03-21 Steven Bosscher <steven@gcc.gnu.org>
6420 * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
6421 find_sets_in_insn, canonicalize_insn): Split out from ...
6422 (cse_insn): ... here.
6423 (invalidate_from_clobbers): Take an insn instead of the pattern.
6425 2012-03-21 Oleg Endo <olegendo@gcc.gnu.org>
6428 * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
6429 * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
6430 * config/sh/sh.md (sindf2, cosdf2): Remove.
6432 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
6435 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
6436 prologue for unwinder and profiler.
6438 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
6440 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
6441 Introduce emul_name to select the right linker emulation for
6442 powerpc64-*-freebsd*.
6443 * configure: Regenerate.
6444 * config.gcc: Add bits to support powerpc64-*-freebsd*.
6445 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
6446 * config/rs6000/freebsd64.h: New file.
6447 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
6449 (rs6000_savres_strategy): Likewise.
6450 (rs6000_savres_routine_name): Likewise.
6451 (rs6000_elf_file_end): Likewise.
6452 * config/rs6000/t-freebsd64: New file.
6453 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
6454 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
6456 * config/rs6000/freebsd64.h: Remove duplicated entries from last
6458 * config/rs6000/t-freebsd64: Likewise.
6460 2012-03-21 Georg-Johann Lay <avr@gjlay.de>
6462 PR rtl-optimization/52543
6464 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
6465 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
6466 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
6467 (avr_load_libgcc_p): Restrict to __flash loads.
6468 (avr_out_lpm): Only handle 1-byte loads from __flash.
6469 (avr_load_lpm): New function.
6470 (avr_find_unused_d_reg): Remove.
6471 (avr_out_lpm_no_lpmx): Remove.
6472 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
6473 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
6474 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
6475 (load_<mode>, load_<mode>_clobber): New insns.
6476 (mov<mode>): For multi-byte move from non-generic
6477 16-bit address spaces: Expand to load_<mode> resp.
6478 load_<mode>_clobber.
6479 (load<mode>_libgcc): Remove expander.
6480 (split-lpmx): Remove split.
6482 2012-03-21 Richard Earnshaw <rearnsha@arm.com>
6484 * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
6485 * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
6486 All callers changed.
6487 (Fixed_core_reg): New feature.
6488 (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg. Allow fmrrd in
6490 * neon-testgen.ml: Handle Fixed_core_reg.
6492 2012-03-21 Andrew Stubbs <ams@codesourcery.com>
6494 * config/arm/arm.c (thumb2_reorg): Add complete support
6495 for 16-bit instructions.
6496 * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
6498 2012-03-21 Richard Guenther <rguenther@suse.de>
6500 PR tree-optimizer/52636
6501 * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
6502 to the appropriate type.
6504 2012-03-21 Richard Guenther <rguenther@suse.de>
6506 * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
6508 * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
6509 pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
6510 * passes.c (init_optimization_passes): Remove pass_init_function,
6511 pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
6512 * tree-pass.h (pass_init_function): Remove.
6513 (pass_jump): Remove.
6514 (pass_initial_value_sets): Remove.
6515 (pass_unshare_all_rtl): Remove.
6516 * integrate.c (pass_initial_value_sets): Remove.
6517 * emit-rtl.c (pass_unshare_all_rtl): Remove.
6518 * tree.h (init_function_for_compilation): Remove.
6519 * function.c (init_function_for_compilation): Remove.
6520 (pass_init_function): Remove.
6521 * cfgcleanup.c (rest_of_handle_jump): Remove.
6522 (pass_jump): Remove.
6524 2012-03-20 Jason Merrill <jason@redhat.com>
6526 * tree-streamer-in.c (streamer_alloc_tree): Call
6527 ggc_alloc_zone_cleared_tree_node instead of
6528 ggc_alloc_zone_cleared_tree_node_stat.
6530 2012-03-20 Jonathan Wakely <jwakely.gcc@gmail.com>
6532 * doc/extend.texi (Template Instantiation): Remove anachronisms.
6534 2012-03-20 Jakub Jelinek <jakub@redhat.com>
6537 * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
6538 (ix86_expand_vec_perm_const_1): Call it.
6540 * config/i386/i386.c (vselect_insn): New variable.
6541 (init_vselect_insn): New function.
6542 (expand_vselect, expand_vselect_insn): Add testing_p argument.
6543 Call init_vselect_insn if vselect_insn is NULL. Adjust
6544 PATTERN (vselect_insn), instead of creating a new insn each time,
6545 only emit a copy of it if not testing and recog has been successful.
6546 (expand_vec_perm_pshufb, expand_vec_perm_1,
6547 expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
6551 * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
6552 ("enabled" attribute): Handle avx2 and noavx2 isas.
6553 * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
6555 (vec_dup<mode>): Add avx2 =x,x alternative.
6556 (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
6557 (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
6558 For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
6559 * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
6561 (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
6562 if possible, handle also V8SFmode.
6564 2012-03-20 Richard Earnshaw <rearnsha@arm.com>
6566 * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
6567 * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
6568 reg_or_zero_operand predicate.
6569 (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
6571 2012-03-20 Jakub Jelinek <jakub@redhat.com>
6573 * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
6574 If operand isn't UNSPEC, return 0.
6576 2012-03-20 Richard Guenther <rguenther@suse.de>
6578 * tree-pass.h (pass_rtl_eh): Remove.
6579 * except.c (gate_handle_eh): Likewise.
6580 (rest_of_handle_eh): Likewise.
6581 (pass_rtl_eh): Likewise.
6582 (finish_eh_generation): Export.
6583 * except.h (finish_eh_generation): Declare.
6584 * passes.c (init_optimization_passes): Remove pass_rtl_eh.
6585 * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
6586 after expanding stack alignment. Instead of compacting blocks
6589 2012-03-20 Richard Guenther <rguenther@suse.de>
6591 * stor-layout.c (finish_bitfield_representative): Fallback
6592 to conservative maximum size if the padding up to the next
6593 field cannot be computed as a constant.
6594 (finish_bitfield_layout): If we cannot compute the distance
6595 between the start of the bitfield representative and the
6596 bitfield member start a new representative.
6597 * expr.c (get_bit_range): The distance between the start of
6598 the bitfield representative and the bitfield member is zero
6599 if the field offsets are not constants.
6601 2012-03-20 Tristan Gingold <gingold@adacore.com>
6603 * tree.h (enum size_type_kind): Add stk_ prefix to constants,
6604 convert in lowercase.
6605 (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
6606 (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
6607 * stor-layout.c (sizetype_tab): Adjust.
6608 (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
6609 * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
6610 instead of type_kind_last.
6611 * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
6612 instead of size_int_kind.
6613 * doc/tm.texi.in (Type Layout): Document SIZETYPE.
6614 * doc/tm.texi: Regenerate.
6615 * defaults.h (SIZETYPE): Provide a default value.
6616 * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
6619 2012-03-20 Oleg Endo <olegendo@gcc.gnu.org>
6621 * config/sh/sh.md: Use braced string notation where applicable.
6623 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
6625 * config/i386/i386.md (allocate_stack): Simplify.
6627 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
6629 * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
6630 copy_to_mode_reg (Pmode, ...).
6631 (expand_builtin_frame_address): Ditto.
6632 * expr.c (emit_block_move_via_libcall): Ditto.
6633 (set_storage_via_libcall): Ditto.
6635 * config/i386/i386.c (ix86_expand_movmem): Ditto.
6636 (ix86_expand_setmem): Ditto.
6637 (ix86_trampoline_init): DItto.
6638 * config/i386/i386.md (cmpstrnsi): Ditto.
6640 2012-03-19 Sandra Loosemore <sandra@codesourcery.com>
6642 * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
6643 * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
6644 * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
6645 (SH Options): Likewise.
6647 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
6649 * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
6650 Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
6651 (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
6652 DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
6653 (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
6656 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
6658 * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
6659 * config/i386/i386.c (ix86_decompose_address): Use
6660 TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
6661 (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
6662 thread pointer to a register.
6665 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
6667 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
6668 if Pmode != word_mode.
6669 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
6670 Pmode == SImode for TARGET_X32.
6672 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
6673 (tls_initial_exec_x32): Likewise.
6675 2012-03-19 Oleg Endo <olegendo@gcc.gnu.org>
6678 * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
6679 DISP_ADDR_OFFSET): New macros.
6680 * config/sh/sh.c (sh_address_cost): Add SH2A special case.
6681 (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
6682 (sh_legitimize_address): Add QImode displacement handling.
6683 (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
6685 (sh_secondary_reload): Add QImode displacement handling.
6686 * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
6687 * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
6688 * config/sh/sh.md (extendqisi2): Remove constraints from expander.
6689 (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
6690 to register operands only.
6691 (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
6692 (extendqihi2): Change insn to expander.
6693 (*extendqihi2_compact_reg): New insn.
6694 (movqi_i, movqi): Replace with ...
6695 (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
6696 *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
6697 Add new peepholes for QImode displacement addressing.
6699 2012-03-19 Paolo Carlini <paolo.carlini@oracle.com>
6702 * doc/invoke.texi: Document -Wuseless-cast.
6704 2012-03-19 Eric Botcazou <ebotcazou@adacore.com>
6706 * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
6707 * tree.h (handled_component_p): Reorder cases.
6708 * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
6709 not initialize unsignedp.
6710 (loc_list_from_tree): Likewise.
6711 (fortran_common): Likewise.
6712 * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
6714 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
6716 * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
6717 mode consistently. Use ix86_gen_add3. Assert that Pmode == DImode.
6718 (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
6719 (ix86_split_long_move): Ditto.
6720 (legitimize_tls_address): Use ix86_gen_sub3.
6721 (construct_plt_address): Assert that Pmode == DImode.
6723 2012-03-18 Uros Bizjak <ubizjak@gmail.com>
6725 * config/i386/i386.md: Remove empty predicates and/or constraints.
6726 * config/i386/sync.md: Ditto.
6727 * config/i386/sse.md: Ditto.
6728 * config/i386/mmx.md: Ditto.
6729 * config/i386/pentium.md: Ditto.
6730 * config/i386/athlon.md: Ditto.
6732 2012-03-16 Richard Guenther <rguenther@suse.de>
6734 PR tree-optimization/52603
6735 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
6739 2012-03-14 Richard Guenther <rguenther@suse.de>
6741 PR tree-optimization/52571
6742 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
6743 flag_section_anchors check ...
6744 (vect_can_force_dr_alignment_p): ... here.
6746 2012-03-16 Martin Jambor <mjambor@suse.cz>
6748 * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
6749 memory through MEM_REFs by calling extract_bit_field.
6751 2012-03-16 Richard Guenther <rguenther@suse.de>
6753 * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
6754 and REFERENCE_TYPE interpretations.
6755 (can_native_interpret_type_p): New function.
6756 (fold_ternary_loc): Use native encode/interpret to fold
6757 BIT_FIELD_REFs of constants.
6759 2012-03-16 Richard Guenther <rguenther@suse.de>
6762 * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
6763 of vector constants and constructors.
6765 2012-03-16 Richard Guenther <rguenther@suse.de>
6767 * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
6768 VIEW_CONVERT_EXPR to convert constants.
6769 (vect_is_simple_use): Treat all constants as vec_constant_def.
6771 2012-03-16 Richard Guenther <rguenther@suse.de>
6772 Kai Tietz <ktietz@redhat.com>
6775 * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
6776 side-effects completely in the pre-queue and use a temporary
6779 2012-03-16 Richard Guenther <rguenther@suse.de>
6781 * stor-layout.c (finish_bitfield_representative): Fall back
6782 to the conservative maximum size if we cannot compute the
6783 size of the tail padding.
6785 2012-03-16 Tristan Gingold <gingold@adacore.com>
6787 * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
6788 __CRTL_VER and __VMS_VER.
6789 * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
6790 and vms_c_get_vms_ver.
6791 * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
6793 * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
6794 (VMS_DEFAULT_VMS_VER): Define.
6795 * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
6796 (VMS_DEFAULT_VMS_VER): Define.
6798 2012-03-16 Richard Guenther <rguenther@suse.de>
6800 * tree-vect-loop.c (get_initial_def_for_induction): Use
6801 build_constructor directly.
6802 * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
6803 build_vector_from_val.
6804 * tree.c (build_vector_from_val): Avoid creating a constructor
6805 first when we want a constant vector.
6807 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6809 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
6811 2012-03-16 Richard Guenther <rguenther@suse.de>
6813 * tree.h (TREE_VECTOR_CST_ELTS): Remove.
6814 (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
6815 (struct tree_vector): Remove elements member, add variable size
6817 (build_vector_stat): Declare.
6818 (build_vector): Define in terms of build_vector_stat.
6819 * tree.c (build_vector): Rename to ...
6820 (build_vector_stat): ... this. Take array of trees as parameter.
6821 (build_vector_from_ctor): Adjust.
6822 (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
6823 initializer_zerop): Adjust.
6824 * cfgexpand.c (expand_debug_expr): Likewise.
6825 * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
6826 const_vector_from_tree): Likewise.
6827 * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
6828 native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
6829 fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
6830 * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
6831 (lto_input_ts_vector_tree_pointers): Adjust.
6832 * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
6833 (write_ts_vector_tree_pointers): Adjust.
6834 * varasm.c (const_hash_1, compare_constant, copy_constant,
6835 output_constant): Adjust.
6836 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
6837 * print-tree.c (print_node): Adjust.
6838 * tree-pretty-print.c (dump_generic_node): Adjust.
6839 * tree-vect-generic.c (uniform_vector_p, vector_element,
6840 lower_vec_perm): Adjust.
6841 * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
6842 * tree-vect-slp.c (vect_get_constant_vectors,
6843 vect_transform_slp_perm_load): Adjust.
6844 * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
6845 * expmed.c (make_tree): Adjust.
6846 * config/i386/i386.c (ix86_expand_builtin): Adjust.
6847 * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
6849 (sparc_fold_builtin): Adjust.
6851 2012-03-16 Tristan Gingold <gingold@adacore.com>
6853 * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
6854 * config/vms/vms-stdint.h: New file.
6856 2012-03-16 Tristan Gingold <gingold@adacore.com>
6858 * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
6859 (ia64-hp-*vms*): Replaced by ...
6860 (*-*-*vms*): ... This new entry.
6862 2012-03-15 Jakub Jelinek <jakub@redhat.com>
6865 * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
6866 (ix86_expand_vec_perm_const_1): Use it.
6869 * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
6870 (avx2_permv4df): Remove.
6871 (avx2_permv4di): Macroize into...
6872 (avx2_perm<mode>): ... this using VI8F_256 iterator.
6873 (avx2_permv4di_1): Macroize into...
6874 (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
6876 2012-03-15 Ulrich Weigand <ulrich.weigand@linaro.org>
6878 * combine.c (apply_distributive_law): Do not distribute SUBREG.
6880 2012-03-15 Ira Rosen <irar@il.ibm.com>
6881 Ulrich Weigand <ulrich.weigand@linaro.org>
6883 * tree-vect-patterns.c (widened_name_p): Rename to ...
6884 (type_conversion_p): ... this. Add new argument to determine
6885 if it's a promotion or demotion operation. Check for
6886 CONVERT_EXPR_CODE_P instead of NOP_EXPR.
6887 (vect_recog_dot_prod_pattern): Call type_conversion_p instead
6889 (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
6890 vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
6892 (vect_recog_mixed_size_cond_pattern): Likewise and allow
6893 non-constant then and else clauses.
6895 2012-03-15 Ira Rosen <irar@il.ibm.com>
6896 Ulrich Weigand <ulrich.weigand@linaro.org>
6898 * tree-vectorizer.h (vect_pattern_recog): Add new argument.
6899 * tree-vect-loop.c (vect_analyze_loop_2): Update call to
6901 * tree-vect-patterns.c (widened_name_p): Pass basic block
6902 info to vect_is_simple_use.
6903 (vect_recog_dot_prod_pattern): Fail for basic blocks.
6904 (vect_recog_widen_sum_pattern): Likewise.
6905 (vect_handle_widen_op_by_const): Support basic blocks.
6906 (vect_operation_fits_smaller_type,
6907 vect_recog_over_widening_pattern): Likewise.
6908 (vect_recog_vector_vector_shift_pattern): Support basic blocks.
6909 Update call to vect_is_simple_use.
6910 (vect_recog_mixed_size_cond_pattern): Support basic blocks.
6912 (check_bool_pattern): Add an argument, update call to
6913 vect_is_simple_use and the recursive calls.
6914 (vect_recog_bool_pattern): Update relevant function calls.
6916 (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
6917 (vect_pattern_recog_1): Check for reduction only in loops.
6918 (vect_pattern_recog): Add new argument. Support basic blocks.
6919 * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
6920 info to vect_is_simple_use_1.
6921 * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
6922 (vect_slp_analyze_bb_1): Call vect_pattern_recog.
6924 2012-03-15 Jakub Jelinek <jakub@redhat.com>
6925 Andrew Pinski <apinski@cavium.com>
6928 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
6929 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
6930 calls instead of __builtin_ir{int,ound}*.
6932 2012-03-15 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
6934 * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
6937 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
6939 * config.gcc (target_type_format_char): New. Document it. Set it for
6941 * configure.ac (gnu_unique_option): Use target_type_format_char
6942 in test. Comment rationale.
6943 * configure: Regenerate .
6945 2012-03-15 Jakub Jelinek <jakub@redhat.com>
6947 PR tree-optimization/52267
6948 * tree-vrp.c (masked_increment): New function.
6949 (register_edge_assert_for_2): Derive ASSERT_EXPRs
6950 from (X & CST1) cmp CST2 tests.
6952 2012-03-15 Richard Guenther <rguenther@suse.de>
6955 * tree-data-ref.c (subscript_dependence_tester_1): Check
6956 all dimensions for non-conflicting access functions.
6958 2012-03-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
6961 * doc/invoke.texi [C++ Language Options]: Document
6962 -ftemplate-backtrace-limit.
6964 2012-03-15 Tristan Gingold <gingold@adacore.com>
6966 * c-parser.c (c_parser_parameter_declaration): Handle #pragma
6969 2012-03-15 Tristan Gingold <gingold@adacore.com>
6971 * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
6972 use DW_OP_call_frame_cfa.
6974 2012-03-14 H.J. Lu <hongjiu.lu@intel.com>
6977 * config/i386/i386-opts.h (pmode): New.
6979 * config/i386/i386.c (ix86_option_override_internal): Properly
6980 check and set ix86_pmode.
6982 * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
6984 * config/i386/i386.opt (maddress-mode=): New.
6986 * doc/invoke.texi: Document -maddress-mode=short|long for x86.
6988 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6990 * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
6991 (dwarf2out_do_cfi_asm): Likewise.
6992 * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
6994 (add_data_member_location_attribute): Likewise.
6995 (gen_array_type_die): Likewise.
6996 (gen_subprogram_die): Likewise.
6997 (gen_producer_string): Likewise.
6998 * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
6999 Remove MIPS_DEBUGGING_INFO handling.
7000 (sdb_debug_hooks): Likewise.
7001 (sdbout_begin_block): Likewise.
7002 (sdbout_end_block): Likewise.
7003 (sdbout_begin_prologue): Likewise.
7004 (sdbout_start_source_file): Likewise.
7005 (sdbout_end_source_file): Likewise.
7006 (sdbout_init): Likewise.
7007 * system.h (MIPS_DEBUGGING_INFO): Poison.
7009 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7011 * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
7012 (alpha_file_start) [MS_STAMP]: Remove.
7014 * config/alpha/elf.h (TARGET_GAS): Remove.
7015 * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
7016 * config/alpha/linux.h (TARGET_DEFAULT): Remove.
7017 * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
7018 * config/alpha/vms.h (TARGET_DEFAULT): Remove.
7019 * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
7020 (alpha*-*-freebsd*): Likewise.
7021 (alpha*-*-netbsd*): Likewise.
7022 (alpha*-*-openbsd*): Likewise.
7023 (alpha*-*-*): Remove target_cpu_default2.
7024 * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
7026 * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
7027 (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
7028 * config/alpha/alpha.c (print_operand): Always assume
7029 TARGET_AS_SLASH_BEFORE_SUFFIX.
7030 * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
7031 Remove TARGET_AS_CAN_SUBTRACT_LABELS.
7032 ("*builtin_setjmp_receiver_er_1"): Remove.
7033 * config/alpha/alpha.opt (malpha-as): Remove.
7035 * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
7037 Remove DEC Unix reference.
7039 * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
7040 (EXTENDED_COFF): Remove.
7041 * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
7042 (EXTENDED_COFF): Don't undef.
7043 * config/alpha/alpha.c (alpha_file_start): Always assume
7045 Don't set targetm.asm_file_start_file_directive.
7046 [!OBJECT_FORMAT_ELF]: Remove.
7047 (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
7049 * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
7050 (DBX_DEBUGGING_INFO): Remove.
7051 (MIPS_DEBUGGING_INFO): Remove.
7052 (PREFERRED_DEBUGGING_TYPE): Remove.
7053 (DBX_OUTPUT_SOURCE_LINE): Remove.
7054 (SDB_OUTPUT_SOURCE_LINE): Remove.
7055 (DBX_CONTIN_LENGTH): Remove.
7056 (NO_DBX_FUNCTION_END): Remove.
7057 (ASM_STABS_OP): Remove.
7058 (ASM_STABN_OP): Remove.
7059 (ASM_STABD_OP): Remove.
7060 (SDB_ALLOW_FORWARD_REFERENCES): Remove.
7061 (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
7062 (PUT_SDB_DEF): Remove.
7063 (PUT_SDB_PLAIN_DEF): Remove.
7064 (PUT_SDB_TYPE): Remove.
7065 (sdb_label_count): Remove.
7066 (PUT_SDB_BLOCK_START): Remove.
7067 (PUT_SDB_BLOCK_END): Remove.
7068 (PUT_SDB_FUNCTION_START): Remove.
7069 (PUT_SDB_FUNCTION_END): Remove.
7070 (PUT_SDB_EPILOGUE_END): Remove.
7071 * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
7072 (MIPS_DEBUGGING_INFO): Don't undef.
7073 (DBX_DEBUGGING_INFO): Don't undef.
7074 * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
7075 (MIPS_DEBUGGING_INFO): Don't undef.
7076 (DBX_DEBUGGING_INFO): Don't undef.
7077 * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
7078 * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
7080 (alpha_start_function): Likewise.
7081 (sdb_label_count): Remove.
7082 (alpha_output_filename): Remove DBX_DEBUG handling.
7083 (alpha_file_start): Likewise.
7085 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7087 * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
7088 (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
7089 (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
7091 * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
7092 (ld_tls_support): Remove Solaris 8 references.
7093 (lwp_dir, lwp_spec): Remove support for alternate thread library.
7094 * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
7095 * configure: Regenerate.
7096 * config.in: Regenerate.
7098 * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
7099 * config/i386/sol2.h: Remove Solaris 8 references.
7101 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
7102 (i?86-*-solaris2.9): ... this.
7103 Remove Solaris 8 references.
7104 (Specific, *-*-solaris2*): Document Solaris 8 removal.
7105 Remove Solaris 8 references.
7107 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7109 * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
7110 (mips-sgi-irix6.5*): Remove.
7111 * config.host (mips-sgi-irix*): Remove.
7112 * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
7113 (set_have_as_tls): Remove *-*-irix6*.
7114 (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
7115 * configure: Regenerate.
7117 * config/mips/iris6.h: Remove.
7118 * config/mips/iris6.opt: Remove.
7119 * config/mips/t-irix6: Remove.
7121 * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
7122 (TARGET_IRIX6): Remove.
7123 (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
7124 Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
7125 * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
7127 (mips_file_start): Likewise.
7128 * config/mips/mips-protos.h (irix_asm_output_align): Remove.
7130 * config/mips/driver-native.c [__sgi__]: Remove.
7131 (host_detect_local_cpu) [__sgi__]: Remove.
7133 * config/mips/gnu-user.h: Remove iris5.h reference.
7135 * config/mips/mips-modes.def: Remove IRIX 6 reference.
7136 * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
7137 * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
7140 * gcc.c (main): Move asm_debug initialization ...
7141 (asm_debug): ... here.
7143 * ginclude/stddef.h (__STDDEF_H__): Don't define.
7145 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
7146 * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
7147 * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
7148 (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
7149 [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
7150 * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
7152 * doc/tm.texi: Regenerate.
7154 * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
7156 (MIPS Options, -march): Remove IRIX reference.
7157 * doc/install.texi (Binaries, SGI IRIX): Remove.
7158 (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
7160 * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
7162 2012-03-14 Martin Jambor <mjambor@suse.cz>
7164 * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
7165 when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
7166 (expand_expr_real_1): Do not handle misalignment if modifier is
7169 2012-03-14 Richard Guenther <rguenther@suse.de>
7172 * tree-vect-generic.c (type_for_widest_vector_mode): Take
7173 element type instead of mode, use build_vector_type_for_mode
7174 instead of the langhook, build a vector of proper signedness.
7175 (expand_vector_operations_1): Adjust.
7177 2012-03-14 Richard Guenther <rguenther@suse.de>
7180 * gimple-fold.c (canonicalize_constructor_val): Make sure we have
7181 a cgraph node for a FUNCTION_DECL that comes from a constructor.
7182 (gimple_get_virt_method_for_binfo): Likewise.
7184 2012-03-14 Richard Guenther <rguenther@suse.de>
7186 PR tree-optimization/52571
7187 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
7188 flag_section_anchors check ...
7189 (vect_can_force_dr_alignment_p): ... here. Do not re-align
7190 DECL_COMMON variables.
7192 2012-03-14 Richard Guenther <rguenther@suse.de>
7194 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
7195 * stor-layout.c (start_bitfield_representative): New function.
7196 (finish_bitfield_representative): Likewise.
7197 (finish_bitfield_layout): Likewise.
7198 (finish_record_layout): Call finish_bitfield_layout.
7199 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
7200 for QUAL_UNION_TYPE fields.
7201 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
7202 Stream DECL_BIT_FIELD_REPRESENTATIVE.
7203 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
7208 * expr.c (get_bit_range): Unconditionally extract bitrange
7209 from DECL_BIT_FIELD_REPRESENTATIVE.
7210 (expand_assignment): Adjust call to get_bit_range.
7212 2012-03-14 Richard Guenther <rguenther@suse.de>
7215 * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
7216 the outermost conversion is a sign-change only.
7217 (fold_binary_loc): Disregard widening and sign-changing
7218 conversions when we determine if two variables are equal
7220 * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
7221 (T1)x if the outermost conversion is a sign-change only.
7223 2012-03-14 Uros Bizjak <ubizjak@gmail.com>
7226 2012-03-14 Uros Bizjak <ubizjak@gmail.com>
7228 * config/i386/predicates.md (constant_call_address_operand): Declare
7229 as special predicate. Update all uses.
7231 2012-03-13 Jakub Jelinek <jakub@redhat.com>
7234 * c-parser.c (c_parser_postfix_expression)
7235 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
7237 * config/i386/smmintrin.h: Avoid /* within a comment.
7238 * config/i386/nmmintrin.h: Likewise.
7240 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
7242 * config/i386/i386.md (xbegin): Remove constraint from expander.
7244 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
7246 * config/i386/predicates.md (constant_call_address_operand): Declare
7247 as special predicate. Update all uses.
7248 * config/i386/i386.md: Remove mode from constant_call_address_operand
7250 * config/i386/i386.c (ix86_output_call_insn): Call
7251 constant_call_address_operand with VOIDmode.
7253 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
7255 * config/i386/i386.c (ix86_decompose_address): Handle subregs of
7256 AND zero extended address correctly.
7258 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
7260 * config/i386/predicates.md (tls_symbolic_operand): Declare as
7262 (tls_modbase_operand): Ditto.
7263 * config/i386/i386.md: Remove mode from tls_symbolic_operand and
7264 tls_modbase_operand predicates.
7266 2012-03-13 Martin Jambor <mjambor@suse.cz>
7268 * expr.c (expand_assignment): Handle misaligned scalar writes to
7269 memory through top-level MEM_REFs by calling store_bit_field.
7271 2012-03-13 Richard Guenther <rguenther@suse.de>
7274 * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
7275 if Y is a constant multiple of 1 << CST.
7277 2012-03-13 Georg-Johann Lay <avr@gjlay.de>
7280 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
7281 offset (size) to a value the insns can deal with.
7282 (expand_epilogue): Ditto.
7284 2012-03-13 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
7286 * config/arm/neon.ml (ops): Fixup expected instructions for
7287 unsigned vector compares.
7289 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
7291 * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
7292 addresses only when %reg is not in word mode.
7294 2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7296 * config/microblaze/microblaze.md: Fix typo.
7297 * tree-if-conv.c: Likewise.
7298 * tree-vect-patterns.c: Likewise.
7300 2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7302 * config.gcc (extra_passes): Remove.
7303 * configure.ac (extra_passes): Don't substitute.
7304 * configure: Regenerate.
7305 * Makefile.in (EXTRA_PASSES): Remove.
7306 (GCC_PASSES): Remove $(EXTRA_PASSES).
7307 (MOSTLYCLEANFILES): Likewise.
7309 (install-common): Likewise.
7311 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
7313 * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
7314 * config/i386/i386.c (ix86_decompose_address): Use
7315 TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
7316 (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
7317 thread pointer to a register.
7319 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
7321 * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
7322 on tls_symbolic_operand.
7323 (tls_global_dynamic_64_<mode>): Likewise.
7325 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
7328 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
7329 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
7331 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
7334 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
7335 type from reg_class_t to enum reg_class.
7336 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
7338 2012-03-12 Andrew Pinski <apinski@cavium.com>
7340 * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
7341 (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
7342 (value_replacement): Likewise.
7343 (empty_block_p): Check also if the PHIs for the block are empty.
7345 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
7348 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
7349 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
7350 r184615 from 2012-02-28.
7352 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
7354 * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
7355 (ix86_gen_tls_local_dynamic_base_64): Likewise.
7356 (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
7357 and ix86_gen_tls_local_dynamic_base_64.
7358 (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
7359 ix86_gen_tls_local_dynamic_base_64.
7361 * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
7362 (*tls_global_dynamic_64_<mode>): This.
7363 (tls_global_dynamic_64): Renamed to ...
7364 (tls_global_dynamic_64_<mode>): This.
7365 (*tls_local_dynamic_base_64): Renamed to ...
7366 (*tls_local_dynamic_base_64_<mode>): This.
7367 (tls_local_dynamic_base_64): Renamed to ...
7368 (tls_local_dynamic_base_64_<mode>): This.
7370 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
7372 * config/i386/i386.c (ix86_option_override_internal): Properly
7373 set ix86_gen_leave and ix86_gen_monitor. Check Pmode == DImode,
7374 instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
7375 ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
7376 ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
7378 * config/i386/sse.md (sse3_monitor64): Renamed to ...
7379 (sse3_monitor64_<mode>): This.
7381 2012-03-12 Tristan Gingold <gingold@adacore.com>
7383 * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
7384 (ia64_function_arg_advance): Ditto.
7386 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7388 * config.gcc (mips*-*-openbsd*): Remove.
7389 * config/mips/openbsd.h: Remove.
7390 * config/mips/sdb.h: Remove.
7392 * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
7393 * config/mips/mips.c (sdb_label_count): Remove.
7394 (mips_debugger_offset): Remove #if 0 code.
7395 (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
7396 * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
7398 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7400 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
7402 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
7403 Update binutils references.
7404 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
7405 Update binutils reference.
7406 Update Sun as/GNU ld caveat.
7407 Document binutils largefile requirement for LTO plugin.
7408 Remove reference to alternate libpthread.
7410 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7412 * config.gcc (alpha*-dec-osf5.1*): Remove.
7413 * config.host (alpha*-dec-osf*): Remove.
7414 * configure.ac (*-*-osf*): Remove.
7415 (alpha*-dec-osf*): Remove.
7416 * configure: Regenerate.
7418 * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
7419 config/alpha/va_list.h, config/alpha/x-osf: Remove.
7421 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
7422 * config/alpha/alpha.c (struct machine_function): Update comment.
7423 (alpha_start_function): Remove Tru64 UNIX as handling for
7425 * config/alpha/alpha.md ("exception_receiver"): Remove
7426 TARGET_LD_BUGGY_LDGP.
7427 ("*exception_receiver_2"): Likewise.
7428 * except.c (finish_eh_generation): Remove Tru64 reference.
7429 * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
7430 * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
7431 * target.def (handle_pragma_extern_prefix): Remove.
7433 * Makefile.in (mips-tfile.o-warn): Remove.
7434 (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
7435 (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
7436 * mips-tdump.c, mips-tfile.c: Remove.
7438 * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
7440 * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
7441 (Specific, alpha*-dec-osf5.1): Note removal.
7442 * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
7444 * doc/tm.texi: Regenerate.
7445 * doc/trouble.texi (Cross-Compiler Problems): Remove.
7447 2012-03-12 Richard Guenther <rguenther@suse.de>
7449 * config/arm/arm.c (neon_dereference_pointer): Do not call
7450 covert during RTL expansion.
7452 2012-03-12 Tristan Gingold <gingold@adacore.com>
7454 * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
7455 Options. Mention -mpointer-size.
7457 2012-03-12 Richard Guenther <rguenther@suse.de>
7459 * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
7460 build_nonstandard_integer_type.
7462 2012-03-12 Richard Guenther <rguenther@suse.de>
7464 * tree.c (signed_or_unsigned_type_for): Use
7465 build_nonstandard_integer_type.
7466 (signed_type_for): Adjust documentation.
7467 (unsigned_type_for): Likewise.
7468 * tree-pretty-print.c (dump_generic_node): Use standard names
7469 for non-standard integer types if available.
7471 2012-03-12 Tristan Gingold <gingold@adacore.com>
7473 * config/vms/vms.opt: Add vms-opts.h header.
7474 (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
7476 (-mvms-return-codes): Document.
7477 (-mpointer-size): New option.
7478 (vms_pointer_size): Add enumeration.
7479 * config/vms/vms-opts.h: New file.
7480 * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
7481 __INITIAL_POINTER_SIZE.
7482 (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
7483 (C_COMMON_OVERRIDE_OPTIONS): Define.
7484 (DWARF2_ADDR_SIZE): Define.
7485 * config/vms/vms.c (vms_patch_builtins): Adjust condition.
7486 * config/vms/vms-protos.h (vms_c_common_override_options):
7488 * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
7489 if -mno-pointer-size.
7490 (vms_c_common_override_options): New function.
7491 * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
7492 * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
7493 (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
7494 and flag_vms_pointer_size.
7495 (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
7496 * config.gcc (*-*-*vms*): Define xm_file.
7497 (alpha*-dec-*vms*): Do not define xm_file.
7498 (alpha64-dec-*vms*): Remove.
7499 (ia64-hp-*vms*): Do not define xm_file. Simplify tm_file
7502 2012-03-12 Jakub Jelinek <jakub@redhat.com>
7504 PR tree-optimization/51721
7505 * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
7506 if (int) unsvar cmp CST.
7508 2012-03-12 Richard Guenther <rguenther@suse.de>
7510 * tree-sra.c (create_access_replacement): Only rename the replacement
7511 if we can rewrite it into SSA form. Properly mark register typed
7512 replacements that we cannot rewrite with TREE_ADDRESSABLE.
7513 * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
7514 for aggregate or BLKmode results.
7516 2012-03-12 Jakub Jelinek <jakub@redhat.com>
7518 PR tree-optimization/52533
7519 * tree-vrp.c (register_edge_assert_for_2): Use double_int
7520 type for mask, only handle shifts by non-zero in-range
7521 shift count, for LE_EXPR and GT_EXPR if new_val is
7522 maximum, don't add the assertion.
7524 2012-02-12 Kirill Yukhin <kirill.yukhin@intel.com>
7526 * doc/invoke.texi: Document -mrtm option.
7527 * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
7528 (OPTION_MASK_ISA_RTM_UNSET): Ditto.
7529 (ix86_handle_option): Handle OPT_mrtm.
7530 * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
7532 (x86_64-*-*): Ditto.
7533 * i386-builtin-types.def (INT_FTYPE_VOID): New.
7534 * config/i386/i386-c.c (ix86_target_macros_internal): Define
7536 (ix86_target_string): Define -mrtm option.
7538 (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
7540 (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
7541 (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
7543 (bdesc_special_args): Ditto.
7544 (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
7545 (ix86_expand_special_args_builtin): Handle new built-in type.
7546 (ix86_expand_builtin): Handle XABORT instruction.
7547 * config/i386/i386.h (TARGET_RTM): New.
7548 * config/i386/i386.md (UNSPECV_XBEGIN): New.
7549 (UNSPECV_XEND): Ditto.
7550 (UNSPECV_XABORT): Ditto.
7551 (UNSPECV_XTEST): Ditto.
7558 * config/i386/i386.opt (mrtm): New.
7559 * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
7560 * config/i386/rtmintrin.h: New header.
7561 * config/i386/xtestintrin.h: Ditto.
7563 2012-03-12 Tristan Gingold <gingold@adacore.com>
7565 * ginclude/stddef.h: Adjust previous patch.
7566 Use __VMS__ instead of VMS.
7568 2012-03-12 Uros Bizjak <ubizjak@gmail.com>
7570 * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
7571 Also convert sequences with CC setting arithmetic instruction.
7573 2012-03-11 Sandra Loosemore <sandra@codesourcery.com>
7575 * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
7576 from C Language Options to Preprocessor Options.
7577 (C Dialect Options): Move -no-integrated-cpp documentation
7579 (Preprocessor Options): ...to here. Rewrite the description
7580 so it makes more sense, and remove discussion of merging front ends.
7582 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
7584 * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
7586 (ix86_expand_setmem): Likewise.
7588 2012-03-11 Uros Bizjak <ubizjak@gmail.com>
7590 * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
7593 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
7595 * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
7596 ptr_mode == SImode. Replace DImode with Pmode or ptr_mode.
7598 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
7600 * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
7602 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
7604 * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
7607 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
7608 Uros Bizjak <ubizjak@gmail.com>
7610 * config/i386/predicates.md (call_insn_operand): Allow
7611 constant_call_address_operand in Pmode only.
7612 (sibcall_insn_operand): Ditto.
7613 * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
7614 (*call_vzeroupper): Ditto.
7616 (*sibcall_vzeroupper): Ditto.
7617 (*call_value): Ditto.
7618 (*call_value_vzeroupper): Ditto.
7619 (*sibcall_value): Ditto.
7620 (*sibcall_value_vzeroupper): Ditto.
7621 (*indirect_jump): Ditto.
7622 (*tablejump_1): Ditto.
7623 (indirect_jump): Convert memory address to word mode for TARGET_X32.
7625 * config/i386/i386.c (ix86_expand_call): Convert indirect operands
7628 2012-03-11 Oleg Endo <olegendo@gcc.gnu.org>
7631 * config/sh/sh.md (movnegt): Expand into respective insns immediately.
7632 Use movrt_negc instead of negc pattern for non-SH2A.
7634 (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
7636 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
7638 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
7639 if Pmode != word_mode.
7640 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
7641 Pmode == SImode for TARGET_X32.
7643 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
7644 (tls_initial_exec_x32): Likewise.
7646 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
7648 PR rtl-optimization/52528
7649 * combine.c (can_combine_p): Add setting of subst_low_luid
7650 before call to expand_field_assignment().
7652 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
7654 * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
7655 and related program names.
7657 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
7659 * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
7661 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
7664 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
7665 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
7667 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
7668 (*movdi_internal_rex64): Use %E operand modifier for lea.
7669 (*movsi_internal): Ditto.
7671 (*lea<mode>_2): Ditto.
7672 (*lea_{3,4,5,6}_zext): Ditto.
7673 (*tls_global_dynamic_32_gnu): Ditto.
7674 (*tls_global_dynamic_64): Ditto.
7675 (*tls_dynamic_gnu2_lea_32): Ditto.
7676 (*tls_dynamic_gnu2_lea_64): Ditto.
7677 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
7679 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
7681 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
7682 redefine to be NULL if the current bit-size is different from the
7683 configured bit-size.
7685 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
7686 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
7687 set the default tuning. Add asserts to make sure the cpu and tune
7688 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
7689 test whether the index is set, instead of > 0.
7690 (rs6000_file_start): Do not reset the default cpu if the current
7691 bit-size is different from the configured bit-size.
7693 2012-03-09 Tristan Gingold <gingold@adacore.com>
7695 * config/vms/vms-crtlmap.map: Add comments.
7696 Add entries needed to build Ada RTS.
7698 2012-03-09 Tristan Gingold <gingold@adacore.com>
7700 * ginclude/stddef.h: Do not define __size_t on VMS.
7702 2012-03-09 Tristan Gingold <gingold@adacore.com>
7704 * c-tree.h (c_default_pointer_mode): New variable.
7705 * c-decl.c (c_default_pointer_mode): New variable.
7706 (c_build_pointer_type): New function.
7707 (grokdeclarator): Call c_build_pointer_type instead
7708 of build_pointer_type.
7710 * config/vms/vms-c.c: Include c-tree.h
7711 (saved_pointer_mode): New variable.
7712 (handle_pragma_pointer_size): New function.
7713 (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
7714 (vms_c_register_pragma): Register __pointer_size and
7715 __required_pointer_size pragmas.
7717 2012-03-09 Tristan Gingold <gingold@adacore.com>
7719 * config/vms/vms-c.c (vms_construct_include_filename): New function.
7720 (vms_c_register_includes): Reference it.
7722 2012-03-09 Andrew Pinski <apinski@cavium.com>
7725 * tree-ssa-phiopt.c: Include tree-pretty-print.h for
7727 (tree_ssa_phiopt_worker): Go through all the PHIs for
7728 value_replacement instead of just the singleton one.
7729 (value_replacement): Change return type to int. Return 0 instead of
7731 Allow the middle basic block to contain more than just the defining
7733 Handle non empty middle basic blocks.
7734 * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
7736 2012-03-09 Jiangning Liu <jiangning.liu@arm.com>
7738 * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
7739 array reference and component reference.
7740 (analyze_scalar_evolution_for_address_of): New.
7742 2012-03-08 Jie Zhang <jzhang918@gmail.com>
7745 * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
7746 (hwloop_pattern_reg): Fix set but not used warning.
7747 (bfin_reorg_loops): Remove unused parameter.
7748 (bfin_reorg): Update use of bfin_reorg_loops.
7750 2012-03-08 H.J. Lu <hongjiu.lu@intel.com>
7752 * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
7753 with integer parameters in registers.
7754 (gen_push): Push register in word_mode instead of Pmode.
7755 (ix86_emit_save_regs): Likewise.
7756 (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
7757 (gen_pop): Pop register in word_mode instead of Pmode.
7758 (ix86_emit_restore_regs_using_pop): Likewise.
7759 (ix86_expand_prologue): Replace Pmode with word_mode for push
7760 immediate. Use ix86_gen_pro_epilogue_adjust_stack. Save and
7761 restore RAX and R10 in word_mode.
7762 (ix86_emit_restore_regs_using_mov): Restore integer registers
7764 (ix86_expand_split_stack_prologue): Save R10_REG and restore in
7766 (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
7767 (ix86_split_long_move): Likewise.
7769 * config/i386/i386.md (W): New.
7770 (*push<mode>2_prologue): Replace :P with :W.
7771 (*pop<mode>1): Likewise.
7772 (*pop<mode>1_epilogue): Likewise.
7773 (push/pop peephole2): Use word_mode scratch registers.
7775 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
7777 * config/i386/predicates.md (indirect_branch_operand): Simplify.
7779 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
7781 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
7782 for constants in [-63,63].
7784 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
7788 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
7790 * config/i386/i386.c (ix86_print_operand_address): Only handle
7791 zero-extended DImode addresses.
7793 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7795 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
7796 * configure: Regenerate.
7798 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
7801 * config/avr/avr.c (avr_mem_clobber): New static function.
7802 (avr_expand_delay_cycles): Add memory clobber operand to
7803 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
7804 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
7805 (enable_interrupt, disable_interrupt): New expander.
7806 (nopv, sleep, wdr): New expanders.
7807 (delay_cycles_1): Add memory clobber.
7808 (delay_cycles_2): Add memory clobber.
7809 (delay_cycles_3): Add memory clobber.
7810 (delay_cycles_4): Add memory clobber.
7811 (cli_sei): New insn from former "enable_interrupt",
7812 "disable_interrupt" with memory clobber.
7813 (*wdt): New insn from former "wdt" with memory clobber.
7814 (*nopv): Similar, but for "nopv".
7815 (*sleep): Similar, but for "sleep".
7817 2012-03-07 Oleg Endo <olegendo@gcc.gnu.org>
7818 Kaz Kojima <kkojima@gcc.gnu.org>
7821 * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
7822 * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
7823 (SUBTARGET_OVERRIDE_OPTIONS): Define.
7825 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
7827 * config/i386/predicates.md (x86_64_zext_general_operand): New.
7828 * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
7829 predicate to x86_64_zext_general_operand. Accept "Z" constraint.
7831 2012-03-07 Walter Lee <walt@tilera.com>
7833 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
7834 REG_CFA_* notes for the stack pointer.
7835 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
7836 EH_RETURN_STACKADJ_RTX.
7837 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
7838 generate REG_CFA_* notes for the stack pointer.
7839 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
7840 by EH_RETURN_STACKADJ_RTX.
7842 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
7844 * doc/invoke.texi (AVR Built-in Macros): Correct condition for
7845 when __AVR_3_BYTE_PC__ is defined.
7847 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
7849 * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
7850 (ix86_print_operand): Handle '^'.
7851 * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
7852 using P mode iterator. Add %^ to asm template to conditionally emit
7854 (*rep_movdi_rex64): Ditto.
7855 (*strsetdi_rex_1): Ditto.
7856 (*rep_stosdi_rex64): Ditto.
7857 (*strmov{si,hi,qi}_1): Add %^ to asm template to
7858 conditionally emit addr32 prefix.
7859 (*rep_mov{si,qi}): Ditto.
7860 (*strset{si,hi,qi}): Ditto.
7861 (*rep_stos{si,qi}): Ditto.
7862 (*cmpstrnqi_nz_1): Ditto.
7863 (*cmpstrnqi_1): Ditto.
7864 (*strlenqi_1): Ditto.
7866 2012-03-07 H.J. Lu <hongjiu.lu@intel.com>
7868 * config/i386/i386.c (function_value_64): Return pointers in
7869 word_mode instead of Pmode.
7870 (ix86_promote_function_mode): Likewise.
7872 2012-03-07 Richard Guenther <rguenther@suse.de>
7874 * coverage.c (get_gcov_type): Use type_for_mode.
7875 (get_gcov_unsigned_t): Likewise.
7876 * expr.c (store_constructor): Use type_for_mode.
7877 (try_casesi): Likewise.
7878 * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
7879 (add_standard_iv_candidates): Use standard type trees.
7880 * dojump.c (do_jump): Remove dead code.
7882 2012-03-07 Richard Guenther <rguenther@suse.de>
7884 * c-typeck.c (pointer_diff): Use c_common_type_for_size.
7886 2012-03-07 Richard Guenther <rguenther@suse.de>
7888 * convert.c (strip_float_extensions): Move ...
7889 * tree.c (strip_float_extensions): ... here.
7891 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
7894 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
7896 2012-03-07 Richard Guenther <rguenther@suse.de>
7898 * omp-low.c (extract_omp_for_data): Use signed_type_for.
7899 (expand_omp_for_generic): Likewise.
7900 (expand_omp_for_static_nochunk): Likewise.
7901 (expand_omp_for_static_chunk): Likewise.
7902 * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
7903 * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
7904 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
7905 Use unsigned_type_for.
7906 (vect_create_cond_for_align_checks): Use signed_type_for.
7908 2012-03-07 Andrey Belevantsev <abel@ispras.ru>
7910 PR rtl-optimization/52203
7911 * sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
7912 all callers to pass NULL except ...
7913 (reset_sched_cycles_in_current_ebb): ... here, save the value
7914 in new variable 'empty'. Increase issue_rate only for
7917 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
7920 * Makefile.in: Let install-gcc-ar depend on installdirs,
7921 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
7922 Don't double canonicalize if cross-compiling.
7924 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
7927 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
7928 to: RAMPZ, RAMPY, RAMPX, RAMPD.
7929 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
7931 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
7934 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
7936 * config/avr/avr.md (xload_8): Adjust insn length.
7938 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
7941 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
7942 if RAMPZ affects reading from RAM.
7944 2012-03-07 Richard Guenther <rguenther@suse.de>
7948 * doc/invoke.texi (Precompiled Headers): Remove sentence that
7949 suggests you can include PCHs from inside another header.
7951 2012-03-07 Richard Sandiford <rdsandiford@googlemail.com>
7954 * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
7956 2012-03-07 Kai Tietz <ktietz@redhat.com>
7958 * doc/invoke.texi (fwritable-relocated-rdata): Document
7959 new Cygwin/MinGW target option.
7960 * config/i386/winnt.c (i386_pe_unique_section): Ignore
7961 reloc if flag -fwritable-relocated-rdata is not set.
7962 (i386_pe_section_type_flags): Likewise.
7963 * config/i386/cygming.opt (fwritable-relocated-rdata):
7964 Add new flag variable flag_writable_rel_rdata.
7966 2012-03-07 Richard Guenther <rguenther@suse.de>
7968 * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
7969 precision against gimple constraints.
7971 2012-03-06 Richard Sandiford <rdsandiford@googlemail.com>
7974 * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
7976 (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
7977 * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
7979 (init_emit_regs): Move associated initialization to...
7980 (init_emit_once): ...here.
7982 2012-03-06 Richard Henderson <rth@redhat.com>
7984 * config/m68k/m68k.h (ISA_HAS_TAS): New.
7985 * config/m68k/sync.md (atomic_test_and_set): Use it.
7986 (atomic_test_and_set_1): Likewise.
7988 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
7991 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
7992 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
7993 (vector_ltgt<mode>): Likewise.
7994 (vector_ordered<mode>): Likewise.
7995 (vector_unordered<mode>): Likewise.
7996 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
7998 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
8000 * trans-mem.c: New typedef for tm_region_p.
8001 Define vector types for tm_region_p.
8002 (tm_region_init): Replace region_worklist to a vector called
8005 2012-03-06 Richard Guenther <rguenther@suse.de>
8007 * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
8008 MEM_REF with constant pointer operand.
8010 2012-03-06 Richard Guenther <rguenther@suse.de>
8013 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
8015 2012-03-06 Tristan Gingold <gingold@adacore.com>
8017 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
8018 (external_model_kind): Improve documentation.
8019 (vms_pragma_extern_model): Handle relaxed_redef.
8020 (vms_c_register_pragma): Allow expansion for nomember_alignment.
8022 2012-03-06 Georg-Johann Lay <avr@gjlay.de>
8024 * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
8025 Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
8026 Some more notes on EIND usage and reorder EIND subsection.
8028 2012-03-06 Tristan Gingold <gingold@adacore.com>
8030 * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
8031 * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
8033 2012-03-06 Tristan Gingold <gingold@adacore.com>
8035 * config/vms/t-vmsnative (version): Define.
8036 * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
8038 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
8040 PR rtl-optimization/52250
8041 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
8042 to put note list into. Unconditionally call move_bb_info.
8043 (move_bb_info): Do not assert the blocks being in the same region,
8044 just drop the note list if they are not.
8046 2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
8049 * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
8050 and use unified expansion logic.
8051 * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
8052 closer to the existing movt insn.
8053 (negc): Rename insn to *negc. Add new expander.
8054 (movnegt): Use xor pattern for T bit negation. Reserve helper
8055 constant for negc pattern.
8056 (*movnegt): New insn and splitter.
8058 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
8060 * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
8063 2012-03-05 Richard Henderson <rth@redhat.com>
8065 * genemit.c (main): Include "target.h" in insn-emit.c.
8066 * Makefile.in (insn-emit.o): Depend on TARGET_H.
8067 * config/sh/sync.md (atomic_test_and_set): Reference
8068 targetm.atomic_test_and_set_trueval instead of
8069 TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
8071 2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
8073 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
8076 2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
8078 * langhooks.c (add_builtin_type): New function.
8079 * langhooks.h (add_builtin_type): Export it.
8080 * config/mep/mep.c (mep_init_builtins): Use it.
8081 * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
8083 2012-03-05 Jakub Jelinek <jakub@redhat.com>
8086 * tree.h (BLOCK_SAME_RANGE): Define.
8087 * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
8088 if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
8089 Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
8090 isn't equal to supercontext fragment's fragment chain.
8091 Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
8093 (blocks_nreverse_all): Likewise.
8094 (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
8095 BLOCK_SUPERCONTEXT to supercontext fragment instead of
8096 supercontext fragment's fragment origin.
8097 * dwarf2out.c (add_high_low_attributes): If stmt has the same
8098 range as its parent (or parents thereof etc.), use the parent's
8099 DW_AT_ranges value instead of creating a new .debug_ranges range.
8101 2012-03-05 Richard Henderson <rth@redhat.com>
8104 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
8105 * omp-low.c (expand_omp_atomic): Assume anything aligned to
8106 BIGGEST_ALIGNMENT is aligned.
8108 2012-03-05 Richard Henderson <rth@redhat.com>
8110 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
8111 * config/sh/sh.c: ... here.
8113 2012-03-05 Richard Henderson <rth@redhat.com>
8116 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
8117 instead of calling negqi2 directly.
8119 2012-03-05 Aldy Hernandez <aldyh@redhat.com>
8122 * trans-mem.c (tm_region_init): Use last_basic_block.
8124 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
8126 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
8127 * config/sh/sync.md (atomic_test_and_set): New expander.
8128 (tasb, atomic_test_and_set_soft): New insns.
8129 * config/sh/sh.opt (menable-tas): New option.
8130 * doc/invoke.texi (SH Options): Document it.
8132 2012-03-05 Richard Guenther <rguenther@suse.de>
8134 * cfgloop.c (verify_loop_structure): Verify dominators before
8136 * graphite-clast-to-gimple.c (graphite_verify): Do not verify
8137 dominators from here.
8138 * graphite-scop-detection.c (create_sese_edges): Likewise.
8139 * loop-doloop.c (doloop_optimize_loops): Likewise.
8140 * loop-init.c (loop_optimizer_init): Likewise.
8141 * loop-unroll.c (unroll_and_peel_loops): Likewise.
8142 * loop-unswitch.c (unswitch_loops): Likewise.
8143 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
8144 * tree-parloops.c (parallelize_loops): Likewise. Verify
8145 only when checking is enabled.
8146 * tree-loop-distribution.c (tree_loop_distribution): Likewise.
8148 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
8150 * genautomata.c (parse_automata_opt): New static function.
8151 (initiate_automaton_gen): Remove all option handling code. Remove
8152 argc argument. All callers changed.
8153 (main): Call init_rtx_reader_args_cb with the new function as argument.
8155 2012-03-05 Richard Guenther <rguenther@suse.de>
8157 * cfgexpand.c (gimple_expand_cfg): Free dominator info.
8158 * tree-if-conv.c (combine_blocks): Free post-dominator info
8160 * tree-parloops.c (create_parallel_loop): Free and re-compute
8161 dominator info after breaking it.
8163 2012-03-05 Richard Guenther <rguenther@suse.de>
8166 * optabs.h (trapv_unoptab_p): New function.
8167 (trapv_binoptab_p): Likewise.
8168 * optabs.c (expand_binop): Use emit_libcall_block_1 with
8169 a proper equiv_may_trap argument.
8170 (expand_unop): Likewise.
8171 (emit_libcall_block_1): Take extra argument whether the
8172 instruction may trap. Renamed from ...
8173 (emit_libcall_block): ... this. New wrapper.
8175 2012-03-05 Jakub Jelinek <jakub@redhat.com>
8177 PR tree-optimization/51721
8178 * tree-vrp.c (register_edge_assert_for_2): If comparing
8179 lhs of right shift by constant with an integer constant,
8180 add ASSERT_EXPRs for the rhs1 of the right shift.
8182 * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
8184 2012-03-05 Richard Guenther <rguenther@suse.de>
8186 * tree.c (integer_zerop): Handle VECTOR_CSTs.
8187 (integer_onep): Likewise.
8188 (integer_all_onesp): Likewise.
8190 2012-03-05 Georg-Johann Lay <avr@gjlay.de>
8192 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
8194 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
8196 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
8197 instead of TARGET_64BIT.
8199 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
8201 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
8204 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
8206 * config/i386/i386.c (ix86_print_operand_address): Only handle
8207 zero-extended DImode addresses.
8209 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
8211 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
8212 taken and cputaken as bool.
8214 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
8216 * config/i386/constraints.md (Ya): New internal constraint.
8217 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
8218 (*zero_extendsidi2_rex64): Add x,x alternative.
8219 (*zero_extendsidi2): Ditto. Add o,0 alternative.
8220 Remove flags reg clobber. Adjust corresponding splits.
8221 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
8222 zero_extendqisi2 expanders using SWI12 mode iterator.
8223 (zero_extend<mode>si2_and): Macroize insn from
8224 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
8226 (*zero_extend<mode>si2): Macroize insn from
8227 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
8228 (*zero_extend*2_movzbl_and): Remove insn patterns.
8229 (zero_extendqihi2_and): Merge corresponding splitter.
8230 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
8231 (*zero_extend*2_movzbl_and): Remove insn patterns.
8232 (*anddi_1): Split TYPE_IMOVX instructions.
8233 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
8235 (and->zext splitter): Add splitter pattern.
8236 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
8238 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
8240 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
8242 (Debugging Options): Likewise.
8243 (Optimize Options): Likewise.
8244 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
8245 with other architectures. Use official processor names with correct
8246 spelling/capitalization. Fix formatting and grammar issues.
8247 (i386 and x86-64 Windows Options): Similar cleanup here.
8249 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
8251 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
8253 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
8255 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
8256 DBX_REGISTER_NUMBER.
8258 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
8260 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
8261 operand is CONST_INT. Take COSTS_N_INSNS into account.
8262 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
8265 2012-03-02 Richard Henderson <rth@redhat.com>
8267 * optabs.c (expand_atomic_test_and_set): Honor
8268 atomic_test_and_set_trueval even when atomic_test_and_set
8269 optab is not in use.
8271 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
8275 * config/sh/sh.c (sh_register_move_cost): Increase cost between
8276 GENERAL_REGS and FP_REGS for SImode.
8278 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
8281 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
8282 (absdi2): New expander.
8283 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
8285 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
8287 * config/sh/sync.md (atomic_exchange<mode>): New expander.
8288 (atomic_exchange<mode>_soft): New insn.
8290 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
8292 * config/sh/sync.md: Update copyright notice dates.
8293 (atomic_compare_and_swap<mode>): Use SImode for return value instead
8295 (atomic_compare_and_swap<mode>_soft): Likewise.
8297 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
8300 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
8301 * config/sh/sh.c: Update copyright notice dates.
8302 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
8303 alignment for TARGET_HARD_SH4.
8304 (sh_option_override): Reduce default function alignment. Set
8305 loop alignment to 4 bytes when not optimizing for size.
8307 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
8310 * doc/invoke.texi (floop-flatten): Remove.
8311 * toplev.c (process_options): Remove references to flag_loop_flatten.
8312 * tree-ssa-loop.c (gate_graphite_transform): Same.
8313 * common.opt (floop-flatten): Obsolete.
8314 * graphite-poly.c (apply_poly_transforms): Remove reference to
8316 * Makefile.in (graphite-flattening.o): Remove.
8317 * graphite-flattening.c: Remove.
8319 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
8321 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
8322 having mode compatible with the mode of previous compare. Substitute
8323 compare mode of previous compare with the mode, compatible
8324 with eliminated and previous compare.
8326 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
8328 * config/rs6000/dfp.md (floatdidd2): New define_insn.
8330 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
8332 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
8333 compatible with CCGOCmode and CCGCmode.
8335 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
8337 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
8339 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
8341 * config/arm/arm.c (arm_sat_operator_match): New function.
8342 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
8343 * config/arm/arm.md ("insn" attribute): Add "sat" value.
8344 ("SAT", "SATrev"): New code iterators.
8345 ("SATlo", "SAThi"): New code iterator attributes.
8346 ("*satsi_<SAT:code>"): New pattern.
8347 ("*satsi_<SAT:code>_shift"): Likewise.
8348 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
8349 and "shift" attributes.
8350 ("arm_usatsihi"): Add "insn" attribute.
8351 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
8352 by powers of two. Do not allow shift by 32.
8354 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
8357 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
8358 to pass the argument in the register of "natural" mode.
8360 2012-03-02 Richard Guenther <rguenther@suse.de>
8362 PR tree-optimization/52406
8363 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
8364 (struct indices): Add unconstrained_base member.
8365 (struct dr_alias): Remove unused vops member.
8366 (DR_UNCONSTRAINED_BASE): New define.
8367 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
8368 add indices to allow their disambiguation. Make DR_BASE_OBJECT
8369 be an artificial access that covers the whole indexed object,
8370 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
8371 plain decl base-objects to their MEM_REF variant.
8372 (dr_may_alias_p): When the base-object of either data reference
8373 has unknown size use only points-to information.
8374 (compute_affine_dependence): Make dumps easier to read and
8376 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
8377 DR_REF when looking for packed references.
8378 (vect_supportable_dr_alignment): Likewise.
8380 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
8382 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
8383 Improve conditions for peepholes of loads followed by commutative
8385 * config/arm/ldmstm.md: Regenerated.
8387 2012-03-02 Richard Guenther <rguenther@suse.de>
8389 * BASE-VER: Set to 4.8.0.
8391 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
8393 * config.gcc (obsolete): Add all ARM targets using the FPA.
8394 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
8395 * doc/install.texi: Avoid references to obsolete ARM ports.
8397 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
8399 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
8401 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
8402 Joern Rennecke <joern.rennecke@embecosm.com>
8404 * doc/extend.texi: Expand and update information on interrupt
8405 attribute for Epiphany.
8407 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
8409 * config/sh/sh-protos.h: Update copyright notice dates.
8410 * config/sh/sh.h: Likewise.
8411 * config/sh/sh.md: Likewise.
8412 * config/sh/constraints.md: Likewise.
8413 * config/sh/predicates.md: Likewise.
8415 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
8417 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
8418 * config/sh/sh.c (tertiary_reload_operand): Likewise.
8420 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
8422 * config/sh/constraints.md: Fix comment typo.
8424 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8427 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
8428 unsigned HOST_WIDE_INT.
8429 (zvdep_imm64): Likewise.
8430 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
8431 (vdepi_and): Likewise.
8432 Likewise for unamed 64-bit patterns.
8433 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
8435 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
8438 PR rtl-optimization/52417
8439 * cselib.c (cselib_any_perm_equivs): New variable.
8440 (cselib_reset_table): Check that it's not set when not
8441 preserving constants.
8442 (cselib_add_permanent_equiv): Set it.
8443 (cselib_have_permanent_equivalences): New.
8444 (cselib_init, cselib_finish): Reset it.
8445 * cselib.h (cselib_have_permanent_equivalences): Declare.
8446 * alias.c (get_addr): Restore earlier behavior when there
8447 aren't permanent equivalences.
8449 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
8451 * config/mn10300/mn10300-modes.def: Fix copyright notice.
8452 * config/v850/v850-modes.def: Fix copyright notice.
8454 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
8456 * doc/extend.texi (AVR Built-in Functions): Document
8457 __builtin_avr_flash_segment.
8459 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
8460 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
8461 (*split.flash_segment): New insn-and-split.
8462 * config/avr/avr.c (avr_init_builtins): Add local variables:
8463 const_memx_void_node, const_memx_ptr_type_node,
8464 char_ftype_const_memx_ptr.
8466 2012-03-01 Jakub Jelinek <jakub@redhat.com>
8468 PR tree-optimization/52445
8469 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
8470 add ssa_name_ver, offset and size fields and change store field
8472 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
8473 (add_or_mark_expr): Likewise. Only consider previous stores
8474 with the same size and offset.
8475 (nt_init_block): Only look at gimple_assign_single_p stmts,
8476 doesn't look at rhs2.
8478 2012-03-01 Richard Guenther <rguenther@suse.de>
8481 * tree-cfg.c (verify_gimple_assign_unary): Allow any
8482 conversions from integral types to pointer types.
8484 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
8486 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
8487 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
8488 unintentionally removed in r184616.
8490 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
8492 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
8495 2012-02-29 Jakub Jelinek <jakub@redhat.com>
8496 Uros Bizjak <ubizjak@gmail.com>
8499 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
8500 alternatives, add "e" constraint to the new last alternative
8501 and ! to last 3 alternatives.
8503 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
8505 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
8506 DW_AT_artificial attributes at the end of the processing.
8507 (gen_array_type_die): Likewise.
8508 (gen_enumeration_type_die): Likewise.
8509 (gen_struct_or_union_type_die): Likewise.
8510 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
8513 2012-02-29 Jakub Jelinek <jakub@redhat.com>
8516 * expr.c (expand_assignment): If doing misaligned store that doesn't
8517 cover all mode bits, perform a RMW cycle.
8519 PR tree-optimization/52429
8520 * tree-parloops.c (separate_decls_in_region_debug): Return early
8521 if var is LABEL_DECL.
8523 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8525 PR tree-optimization/52424
8526 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
8527 calling dom_thread_across_edge.
8529 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
8531 * config/avr/avr.c: Move definition of TARGET macros to end of file.
8533 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
8535 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
8536 * config/avr/avr.c (avr_output_bld): Remove unused function.
8537 (avr_out_sbxx_branch): Use "%T" to print bit position.
8539 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
8541 * config/avr/avr.md: Untabify.
8543 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
8545 * config/avr/avr.md (eqne): New code iterator.
8546 (*dec-and-branchsi): Use it in text peephole's condition.
8547 (*dec-and-branchhi): Ditto.
8548 (*dec-and-branchqi): Ditto.
8550 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
8553 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
8554 the device does not have the skip-bug.
8556 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
8558 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
8559 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
8560 -mpretend-cmove): New.
8562 2012-02-29 Jakub Jelinek <jakub@redhat.com>
8565 * df.h (struct df_d): Adjust comment that hard_regs_live_count
8566 doesn't count DEBUG_INSN refs.
8567 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
8568 for DEBUG_INSN refs.
8570 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8574 2012-02-20 Richard Guenther <rguenther@suse.de>
8575 PR tree-optimization/52298
8576 * tree-vect-stmts.c (vectorizable_load): Properly use
8577 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
8579 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
8582 * gimple.h (gimple_in_transaction): New.
8583 (gimple_set_in_transaction): New.
8584 (struct gimple_statement_base): Add in_transaction field.
8585 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
8587 (tree_ssa_lim_initialize): Compute transaction bits.
8588 * tree.h (compute_transaction_bits): Protoize.
8589 * trans-mem.c (tm_region_init): Use the heap to store BB
8591 (compute_transaction_bits): New.
8593 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8595 * gcc.c (display_help): Document --help=common and sort entries
8598 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8600 * doc/install.texi: Document check-$LANG specific shortcuts
8602 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
8605 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
8607 * config/arm/arm_neon.h: Regenerate.
8608 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
8609 (neon_vcgeu): New insn.
8610 (neon_vcgtu): Likewise.
8611 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
8612 (ops): Unsigned comparison intrinsics call a different builtin.
8614 2012-02-28 Richard Guenther <rguenther@suse.de>
8617 * config/i386/i386.c (ix86_expand_vector_set): Fix element
8618 ordering for the VEC_CONCAT for two element vectors for
8619 V2SFmode, V2SImode and V2DImode.
8621 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
8624 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
8625 detecting big-endian triplets.
8627 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
8629 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
8630 mode if there is no type information available.
8632 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
8634 PR tree-optimization/53207
8635 * doc/invoke.texi: Document as experimental and relying on graphite.
8637 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
8639 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
8640 of initializer to changes from r184614.
8642 2012-02-28 Richard Guenther <rguenther@suse.de>
8644 PR tree-optimization/52395
8645 * tree-sra.c (build_ref_for_offset): Also look at the base
8646 TYPE_ALIGN when figuring out the alignment of the replacement.
8648 2012-02-28 Richard Guenther <rguenther@suse.de>
8650 PR tree-optimization/52402
8651 * ipa-prop.c (ipa_modify_call_arguments): Properly use
8652 mis-aligned types when creating the accesses at the call site.
8654 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
8656 * config/avr/builtins.def: New file.
8657 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
8658 * config/avr/avr.c (enum avr_builtin_id): Use it.
8659 (avr_init_builtins): Use it. And use avr_bdesc.
8660 (bdesc_1arg): Remove.
8661 (bdesc_2arg): Remove.
8662 (bdesc_3arg): Remove.
8663 (struct avr_builtin_description): Add field n_args.
8664 (avr_bdesc): New static variable using builtins.def.
8665 (avr_expand_builtin): Use it.
8666 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
8667 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
8668 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
8670 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
8673 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
8674 match only one single hard register with respective hard reg rtx.
8675 (movmemx_<mode>): Ditto.
8676 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
8677 insn anatomy of movmem[x]_<mode>.
8678 (avr_out_movmem): Same for printing assembler and operand usage.
8680 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
8684 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
8685 address spaces located outside of device flash.
8687 * config/avr/avr.h (base_arch_s): Remove field n_segments.
8688 (mcu_type_s): Add field n_flash.
8689 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
8690 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
8691 (AVR_MCU): Add N_FLASH argument.
8692 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
8693 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
8694 macro __FLASH<n> if that address space makes sense for the device.
8695 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
8696 outside of target flash.
8697 (avr_asm_named_section): Ditto.
8698 (avr_asm_select_section): Ditto.
8699 (avr_addr_space_convert): Ditto.
8700 (avr_emit_movmemhi): Ditto.
8701 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
8702 address space is outside of device flash.
8703 (avr_insert_attributes): Ditto.
8704 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
8705 avr_current_arch->n_segments.
8707 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
8710 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
8711 (*movabs<mode>_2): Likewise.
8713 2012-02-27 Jakub Jelinek <jakub@redhat.com>
8716 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
8717 s_register_operand in the test instead of REG_P. Don't call
8718 gen_reg_rtx if it won't be used.
8720 PR tree-optimization/52376
8721 * ipa-split.c (split_function): Ignore CLOBBER stmts.
8723 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
8725 * ifcvt.c (noce_get_condition): Check condition variable is not
8726 small_register_classes_for_mode_p before accepting.
8728 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
8730 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
8732 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
8735 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
8736 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
8738 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
8740 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
8742 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
8744 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
8746 * config/sh/predicates.md: Remove blank lines.
8747 * config/sh/sh.c: Fix typos in comments.
8748 * config/sh/constraints.md: Likewise.
8749 * config/sh/sh.md: Remove blank lines.
8750 Fix typos in comments. Use ;; as comment characters.
8752 2012-02-26 Walter Lee <walt@tilera.com>
8754 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
8755 (replace_mov_pcrel_step2): Ditto.
8757 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
8760 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
8761 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
8762 and locs that reference values newer than the non-canonical value
8763 at hand. Return the canonical value as a worst case.
8764 (memrefs_conflict_p): Walk canonical value's locs.
8767 * cselib.c (preserve_only_constants): Rename to...
8768 (preserve_constants_and_equivs): ... this. Split out...
8769 (invariant_or_equiv_p): ... this. Preserve plus expressions
8770 of other preserved expressions too.
8771 (cselib_reset_table): Adjust.
8772 * var-tracking.c (reverse_op): Use canonical value to build
8775 2012-02-23 Kai Tietz <ktietz@redhat.com>
8777 * config/i386/i386.c (ix86_delegitimize_address): Handle
8778 UNSPEC_PCREL plus displacement.
8780 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
8783 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
8784 to test for unusedness in st X addressing.
8786 2012-02-24 Richard Guenther <rguenther@suse.de>
8789 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
8790 (is_gimple_reg_type): Move inline ...
8791 * gimple.h (is_gimple_reg_type): ... here.
8793 2012-02-24 Richard Guenther <rguenther@suse.de>
8796 * passes.c (execute_function_todo): When verifying SSA form
8797 verify gimple form first.
8798 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
8800 2012-02-24 Richard Guenther <rguenther@suse.de>
8803 * fold-const.c (fold_addr_of_array_ref_difference): New function.
8804 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
8806 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8808 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
8810 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8812 * tree-phinodes.c (make_phi_node): Mark static.
8813 * tree-flow.h (make_phi_node): Remove extern decl.
8814 * doc/gimple.texi (make_phi_node): Remove documentation.
8816 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8818 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
8819 * tree-ssa-sccvn.c (print_scc): Ditto.
8821 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8823 * doc/passes.texi (Full redundancy elimination): Fix typo.
8825 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8827 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
8829 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
8832 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
8834 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
8837 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
8839 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
8841 * config/avr/avr.md (code_stdname): Add ior, xor.
8842 (xior): New code iterator.
8843 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
8844 (*<code_stdname><mode>qi.byte1-3): Ditto.
8846 2012-02-23 Jakub Jelinek <jakub@redhat.com>
8848 PR tree-optimization/52019
8849 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
8852 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8854 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
8855 HAVE_INITFINI_ARRAY to work around namespace pollution in
8856 certain versions of newlib system headers.
8857 * config.in: Regenerate.
8858 * configure: Regenerate.
8859 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
8860 instead of HAVE_INITFINI_ARRAY.
8862 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
8865 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
8866 is not offsettable memory reference.
8868 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
8871 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
8872 setting avr_need_clear_bss_p for __gnu_lto* symbols.
8874 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
8876 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
8877 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
8879 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8881 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
8882 library on Solaris 8 even without TLS support.
8883 * configure: Regenerate.
8885 2012-02-22 Richard Guenther <rguenther@suse.de>
8888 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
8889 for GIMPLE_DEBUG stmts.
8891 2012-02-22 Martin Jambor <mjambor@suse.cz>
8894 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
8895 according to the base object.
8897 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
8899 PR rtl-optimization/50063
8900 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
8901 and 2 (8-bit SP) in operand 2.
8902 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
8903 setup to use movhi_sp_r instead of vanilla move to write SP.
8904 Adjust REG_CFA notes to superseed unspec.
8905 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
8907 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
8908 known to be off) only with TARGET_NO_INTERRUPTS. Never use
8909 irq_state 1 (IRQ known to be on) here.
8911 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
8913 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
8915 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
8916 assign_hard_reg): Likewise.
8918 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
8920 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
8922 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
8925 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
8926 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
8928 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
8930 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
8931 prototype from here to...
8932 * config/avr/avr.h: ...here.
8934 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
8937 * thumb2.md (thumb2_shiftsi3_short): Split register and
8938 immediate shifts. For register shifts tie operands 0 and 1.
8939 (peephole2 for above): Check that register-controlled shifts
8940 have suitably tied operands.
8942 2012-02-21 Quentin Neill <quentin.neill@amd.com>
8945 * config/i386/bdver1.md (bdver1_call, bdver1_push,
8946 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
8947 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
8948 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
8949 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
8950 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
8951 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
8952 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
8953 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
8954 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
8955 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
8956 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
8957 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
8958 bdver1_ssevector_avx256_unaligned_load,
8959 bdver1_ssevector_sse128_unaligned_load,
8960 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
8961 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
8962 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
8963 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
8964 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
8965 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
8966 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
8967 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
8968 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
8969 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
8970 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
8971 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
8972 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
8973 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
8974 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
8975 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
8976 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
8977 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
8978 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
8979 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
8980 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
8981 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
8982 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
8983 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
8984 bdver1_ssediv_double_load, bdver1_ssediv_double,
8985 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
8986 Add "bdver2" attribute.
8988 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
8990 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
8991 default if possible and not specified otherwise.
8993 2012-02-21 Richard Guenther <rguenther@suse.de>
8996 * gimplify.c (create_tmp_from_val): Use the main variant type
8997 for the type of the temporary we create.
8999 2012-02-21 Richard Guenther <rguenther@suse.de>
9001 PR tree-optimization/52324
9002 * gimplify.c (gimplify_expr): When re-gimplifying expressions
9003 do not gimplify a MEM_REF address operand if it is already
9006 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
9008 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
9009 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
9011 2012-02-21 Richard Guenther <rguenther@suse.de>
9013 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
9014 nested_in_vect_loop.
9016 2012-02-21 Jakub Jelinek <jakub@redhat.com>
9018 PR tree-optimization/52318
9019 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
9020 vdef also to non-pure/const call stmts in the sequence.
9022 2012-02-21 Tristan Gingold <gingold@adacore.com>
9024 * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
9026 2012-02-20 David S. Miller <davem@davemloft.net>
9028 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
9029 don't use the "rd %pc" instruction on v9 for PIC register loads.
9031 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
9034 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
9035 in a transaction safe function.
9037 2012-02-20 Kai Tietz <ktietz@redhat.com>
9040 * stor-layout.c (place_field): Handle desired_align for
9043 2012-02-20 Richard Guenther <rguenther@suse.de>
9045 PR tree-optimization/52298
9046 * tree-vect-stmts.c (vectorizable_store): Properly use
9047 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
9049 (vectorizable_load): Likewise.
9050 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
9051 Access DR_STEP after ensuring it is not NULL.
9053 2012-02-20 Jakub Jelinek <jakub@redhat.com>
9055 PR tree-optimization/52286
9056 * fold-const.c (fold_binary_loc): For (X & C1) | C2
9057 optimization use double_int_to_tree instead of build_int_cst_wide,
9058 rewrite to use double_int vars.
9060 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9063 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
9065 Remove -e 0 from $gcc_cv_ld invocation.
9066 Only use __GLIBC_PREREQ if defined.
9067 Enable on Solaris since Solaris 8 patch.
9068 (gcc_SUN_LD_VERSION): New macro.
9069 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
9070 gcc_SUN_LD_VERSION for version number format.
9071 * configure: Regenerate.
9072 * varasm.c (get_elf_initfini_array_priority_section): Set
9073 SECTION_NOTYPE for non-default priority.
9074 Use get_section instead of get_unnamed_section to emit
9075 .init_array/.fini_array with default priority.
9077 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
9079 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
9080 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
9081 (mips_start_unique_function, mips_output_mips16_rdhwr)
9082 (mips_code_end): New functions.
9083 (TARGET_ASM_CODE_END): Define.
9085 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
9087 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
9088 to stubs with non-sibling calls.
9090 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
9092 * doc/invoke.texi (-fira-* options): Copy-edit.
9093 (ira-* parameters): Copy-edit.
9095 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
9097 * doc/invoke.texi: Minor copy-edits to bring into conformance with
9098 GCC coding conventions.
9100 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
9102 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
9103 when used as adjectives.
9105 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
9107 * doc/invoke.texi: Clean up "that"/"which" confusion.
9109 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
9111 * system.h: Poison SMALL_REGISTER_CLASSES
9112 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
9113 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
9115 2012-02-16 Jakub Jelinek <jakub@redhat.com>
9117 PR tree-optimization/52285
9118 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
9119 when deciding if a call is a tail call or tail recursion.
9121 2012-02-16 Kai Tietz <ktietz@redhat.com>
9123 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
9124 interger-constant displacement for UNSPEC_PCREL.
9126 2012-02-16 Jakub Jelinek <jakub@redhat.com>
9128 PR rtl-optimization/52208
9129 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
9130 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
9132 PR tree-optimization/52255
9133 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
9134 loop->header has virtual PHI, but exit_e->dest doesn't, add
9135 virtual PHI to exit_e->dest and adjust all uses after the loop.
9138 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
9139 children with clone_tree_hash, not after it.
9141 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
9143 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
9144 extended identifiers.
9146 2012-02-16 Jakub Jelinek <jakub@redhat.com>
9149 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
9150 a same_body_alias, also test whether e->callee isn't a former
9151 or current clone of the decl this is a same body alias of.
9153 PR translation/52264
9154 * cgraphunit.c (verify_cgraph_node): Fix a typo.
9156 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
9158 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
9160 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
9163 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
9164 force_reg instead of copy_to_reg for better optimization. Force
9165 non-register or memory operands into a register.
9167 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
9169 * extend.texi: Reserve upper bits of memory model for future use.
9171 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
9172 Anatoly Sokolov <aesok@post.ru>
9173 Eric Weddington <eric.weddington@atmel.com>
9176 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
9177 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
9178 Rewrite initializers for .macro.
9179 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
9180 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
9181 atxmega32d4, atxmega32x1.
9182 avrxmega4: atxmega64a3, atxmega64d3.
9183 avrxmega5: atxmega64a1, atxmega64a1u.
9184 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
9185 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
9186 avrxmega7: atxmega128a1, atxmega128a1u.
9187 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
9188 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
9189 (struct base_arch_s): Rename reserved to xmega_p.
9190 Rename reserved2 to have_rampd.
9191 (AVR_XMEGA): New define.
9192 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
9193 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
9194 * config/avr/predicates.md (io_address_operand): Take into
9196 (low_io_address_operand): Ditto.
9197 (high_io_address_operand): Ditto.
9198 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
9199 (enabled, movhi_sp_r): Use them.
9200 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
9201 cpp_define_formatted to built-in define __AVR_ARCH__.
9202 (__AVR_XMEGA__): New built-in define.
9203 (__AVR_HAVE_RAMPD__): New built-in define.
9204 (__AVR_HAVE_RAMPX__): New built-in define.
9205 (__AVR_HAVE_RAMPY__): New built-in define.
9206 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
9208 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
9209 (avr_option_override): Initialize them.
9210 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
9211 (avr_init_expanders): Initialize them. No more block several calls.
9212 (emit_push_sfr): New static function.
9213 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
9215 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
9216 (avr_print_operand): Print addreeses as symbols for
9217 RAMPX, RAMPY, RAMPD, CCP.
9218 (output_movhi): Handle AVR_XMEGA when writing to SP.
9219 (avr_out_movhi_mr_r_xmega): New static function.
9220 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
9221 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
9222 __RAMPD__, __CCP__ as needed.
9224 * config/avr/multilib.h: Regenerate.
9225 * config/avr/t-multilib: Regenerate.
9226 * config/avr/avr-tables.opt: Regenerate.
9228 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
9230 PR tree-optimization/50561
9231 * graphite-flattening.c (lst_project_loop): Do not
9232 remove old scattering dimensions after flattening.
9233 (lst_do_flatten): Likewise.
9235 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
9237 * doc/extend.texi (AVR Built-in Functions): Remove doc for
9238 __builtin_avr_map8, __builtin_avr_map16.
9239 Document __builtin_avr_insert_bits.
9241 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
9242 (insert_bits): New insn.
9243 (adjust_len.map_bits): Rename to insert_bits.
9244 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
9245 * avr-protos.h (avr_out_map_bits): Remove.
9246 (avr_out_insert_bits, avr_has_nibble_0xf): New.
9247 * config/avr/constraints.md (Cxf,C0f): New.
9248 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
9249 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
9250 New built-in define __BUILTIN_AVR_INSERT_BITS.
9251 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
9252 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
9253 (avr_move_bits): Rewrite.
9254 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
9256 (avr_map_op_t): New typedef.
9257 (avr_map_op): New static variable.
9258 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
9259 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
9260 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
9261 (bdesc_3arg, avr_expand_triop_builtin): New.
9262 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
9263 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
9264 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
9265 (avr_map_equal_p, avr_map_sig_p): Remove.
9266 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
9267 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9268 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
9269 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9270 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
9271 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9273 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
9275 * config/c6x/c6x.md (reserve_cycles): New attribute.
9276 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
9277 don't reserve functional units after the branch occurs.
9279 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
9282 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
9283 functions into non-tm_pure functions.
9285 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
9288 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
9289 (iterative_hash_canonical_type): Likewise.
9290 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
9293 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
9295 * haifa-sched.c (prune_ready_list): Ensure that if there is a
9296 sched-group insn, it either remains alone or the entire list is pruned.
9298 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
9300 * doc/install.texi (Prerequisites): Fix grammar.
9301 (Configuration): Likewise.
9303 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
9305 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
9306 MPC as part of GCC before describing configuring with --with-gmp etc.
9307 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
9308 sources are present.
9310 2012-02-14 Jakub Jelinek <jakub@redhat.com>
9313 * dwarf2out.c (clone_tree_hash): New function.
9314 (copy_decls_walk): Use it instead of clone_tree.
9316 2012-02-14 Richard Guenther <rguenther@suse.de>
9318 PR tree-optimization/52244
9319 PR tree-optimization/51528
9320 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
9321 replacements for integral types.
9323 2012-02-14 Walter Lee <walt@tilera.com>
9325 * config.gcc: Handle tilegx and tilepro.
9326 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
9328 Add HAVE_AS_TLS check for tilegx and tilepro.
9329 * configure: Regenerate.
9330 * doc/contrib.texi: Add Mat Hostetter and self.
9331 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
9332 Document instruction intrinsics and network accessing intrinsics.
9333 (TILEPro Built-in Functions): New node. Document instruction
9334 intrinsics and network accessing intrinsics.
9335 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
9336 (Specific, tilepro-*-linux*): Likewise.
9337 * doc/invoke.texi (TILE-Gx Options): New section.
9338 (TILEPro Options): New section.
9339 * doc/md.texi (TILE-Gx): New section.
9340 (TILEPro): New section.
9341 * common/config/tilegx/tilegx-common.c: New file.
9342 * common/config/tilepro/tilepro-common.c: New file.
9343 * config/tilegx/constraints.md: New file.
9344 * config/tilegx/linux.h: New file.
9345 * config/tilegx/mul-tables.c: New file.
9346 * config/tilegx/predicates.md: New file.
9347 * config/tilegx/sync.md: New file.
9348 * config/tilegx/t-tilegx: New file.
9349 * config/tilegx/tilegx-builtins.h: New file.
9350 * config/tilegx/tilegx-c.c: New file.
9351 * config/tilegx/tilegx-generic.md: New file.
9352 * config/tilegx/tilegx-modes.def: New file.
9353 * config/tilegx/tilegx-multiply.h: New file.
9354 * config/tilegx/tilegx-protos.h: New file.
9355 * config/tilegx/tilegx.c: New file.
9356 * config/tilegx/tilegx.h: New file.
9357 * config/tilegx/tilegx.md: New file.
9358 * config/tilegx/tilegx.opt: New file.
9359 * config/tilepro/constraints.md: New file.
9360 * config/tilepro/gen-mul-tables.cc: New file.
9361 * config/tilepro/linux.h: New file.
9362 * config/tilepro/mul-tables.c: New file.
9363 * config/tilepro/predicates.md: New file.
9364 * config/tilepro/t-tilepro: New file.
9365 * config/tilepro/tilepro-builtins.h: New file.
9366 * config/tilepro/tilepro-c.c: New file.
9367 * config/tilepro/tilepro-generic.md: New file.
9368 * config/tilepro/tilepro-modes.def: New file.
9369 * config/tilepro/tilepro-multiply.h: New file.
9370 * config/tilepro/tilepro-protos.h: New file.
9371 * config/tilepro/tilepro.c: New file.
9372 * config/tilepro/tilepro.h: New file.
9373 * config/tilepro/tilepro.md: New file.
9374 * config/tilepro/tilepro.opt: New file.
9376 2012-02-14 Jakub Jelinek <jakub@redhat.com>
9378 PR tree-optimization/52210
9379 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
9380 vect_model_simple_cost with two entry vect_def_type array instead
9381 of an address of dt.
9383 2012-02-14 Richard Guenther <rguenther@suse.de>
9386 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
9387 Do not stream DECL_QUALIFIER.
9388 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
9389 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
9390 (find_decls_types_r): Do not walk DECL_QUALIFIER.
9392 2012-02-14 Jakub Jelinek <jakub@redhat.com>
9395 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
9398 2012-02-13 Jakub Jelinek <jakub@redhat.com>
9401 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
9402 * cselib.c (cselib_subst_to_values_from_insn): New function.
9403 * sched-deps.c (add_insn_mem_dependence,
9404 sched_analyze_1, sched_analyze_2): Use it.
9406 2012-02-13 Jan Hubicka <jh@suse.cz>
9409 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
9411 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
9413 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
9414 (GTM_SELF_SPECS): Define if not already defined.
9415 (driver_self_specs): Add GTM_SELF_SPECS.
9416 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
9417 (GTM_SELF_SPECS): Define.
9418 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
9419 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
9421 2012-02-13 Jakub Jelinek <jakub@redhat.com>
9423 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
9426 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
9429 * omp-low.c (expand_omp_for): If a static schedule without chunk size
9430 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
9432 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
9435 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
9437 2012-02-13 Richard Guenther <rguenther@suse.de>
9439 PR translation/52211
9440 * passes.c (enable_disable_pass): Fix typo.
9442 2012-02-13 Jakub Jelinek <jakub@redhat.com>
9445 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
9446 XOR for reduce_bit_field if type is unsigned.
9448 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
9450 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
9451 disallow changes from SFmode to mode with different size in FP regs.
9453 2012-02-12 Robert Millan <rmh@gnu.org>
9454 Gerald Pfeifer <gerald@pfeifer.com>
9456 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
9459 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
9461 PR rtl-optimization/52175
9462 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
9463 to frame-related instructions.
9465 2012-02-10 Jason Merrill <jason@redhat.com>
9468 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
9469 (demangle_new_symbols): Fill it.
9470 (scan_linker_output): Walk it.
9471 (start_tweaking): Split out from scan_linker_output.
9472 (maybe_tweak): Update sym->chosen.
9473 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
9475 2012-02-11 Jakub Jelinek <jakub@redhat.com>
9478 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
9480 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
9482 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
9483 having the same mode as previous compare.
9485 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
9487 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
9488 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
9489 (nonlocal_goto_internal): Likewise.
9490 (nonlocal_goto): Emit a use and an indirect jump directly.
9492 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
9495 * doc/extend.texi : Update comments for __atomic_compare_exchange and
9496 __atomic_{is,always}_lock_free.
9498 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
9501 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
9502 negative constant address for TARGET_X32.
9504 2012-02-10 Richard Henderson <rth@redhat.com>
9506 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
9507 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
9508 for GIMPLE_TRANSACTION. Tidy if's into a switch.
9510 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9511 Ira Rosen <irar@il.ibm.com>
9513 PR tree-optimization/50031
9514 * targhooks.c (default_builtin_vectorization_cost): Handle
9516 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
9517 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
9518 all types of reduction and pattern statements.
9519 (vect_estimate_min_profitable_iters): Likewise.
9520 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
9521 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
9522 for explicit realigns.
9523 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
9524 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
9526 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
9527 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
9528 vec_perm for VSX and handle vec_promote_demote.
9530 2012-02-10 Jakub Jelinek <jakub@redhat.com>
9533 * builtins.c (fold_builtin_atomic_always_lock_free,
9534 expand_builtin_atomic_always_lock_free,
9535 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
9536 Return and/or test boolean_true_node/boolean_false_node instead of
9537 integer_one_node/integer_zero_node.
9539 2012-02-10 Jan Hubicka <jh@suse.cz>
9542 * predict.c (predict_paths_for_bb): Prevent looping.
9543 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
9545 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
9547 * config/arm/arm.c (output_move_double): In one case properly
9548 count number of instructions that will be emitted.
9550 2012-02-10 Richard Guenther <rguenther@suse.de>
9552 PR translation/52193
9553 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
9555 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
9558 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
9560 2012-02-09 Jakub Jelinek <jakub@redhat.com>
9563 * var-tracking.c (emit_note_insn_var_location): If
9564 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
9565 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
9566 non-NOTE_DURING_CALL_P insn.
9568 2012-02-09 Bin Cheng <bin.cheng@arm.com>
9571 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
9573 2012-02-08 Magnus Granberg <zorry@gentoo.org>
9576 * gcc.c (switch_matches) Support switches with separated form,
9579 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
9581 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
9583 (RAMPZ_ADDR): Ditto.
9584 * config/avr/avr.c (avr_addr_t): New typedef.
9585 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
9586 (avr_init_expanders): Initialize it.
9587 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
9589 (expand_epilogue): Ditto.
9590 (avr_print_operand): Ditto.
9591 (avr_file_start): Ditto.
9592 (avr_emit_movmemhi): Ditto.
9594 2012-02-08 Richard Guenther <rguenther@suse.de>
9596 PR tree-optimization/46886
9597 * tree-flow.h (do_while_loop_p): Declare.
9598 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
9599 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
9601 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
9603 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
9604 always succeed for integers larger than a native word.
9606 2012-02-08 Richard Guenther <rguenther@suse.de>
9608 PR rtl-optimization/52170
9609 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
9610 properly handle integer vector modes.
9612 2012-02-08 Jakub Jelinek <jakub@redhat.com>
9614 PR gcov-profile/52150
9615 * coverage.c: Include target.h.
9616 (build_var): Call targetm.strip_name_encoding on the assembler name.
9617 Change one _ into . or $ if the target allows it.
9618 * Makefile.in (coverage.o): Depend on $(TARGET_H).
9620 PR rtl-optimization/52139
9621 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
9622 is a BARRIER after emit_insn_after_noloc, move BB_END
9623 to the last non-BARRIER insn before it.
9625 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
9628 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
9629 (mips_gimplify_va_arg_expr): Call it instead of
9630 std_gimplify_va_arg_expr.
9632 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
9634 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
9635 message for -mno-pointers-to-nested-function.
9637 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
9640 * expr.c (get_inner_reference): If there is an offset, add a negative
9641 bit position to it (if any).
9643 2012-02-07 Jakub Jelinek <jakub@redhat.com>
9645 PR rtl-optimization/52060
9646 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
9647 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
9648 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
9649 and/or i0src_copy2 when needed.
9651 2012-02-07 Jakub Jelinek <jakub@redhat.com>
9653 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
9654 or LTOPLUGINSONAME if have_c.
9656 * config/freebsd-spec.h: Add comment about what macros can be defined
9658 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
9659 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
9662 2012-02-07 Richard Guenther <rguenther@suse.de>
9664 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
9665 newline in -alias dumps.
9667 2012-02-07 Kai Tietz <ktietz@redhat.com>
9668 Dave Korn <dave.korn.cygwin@gmail.com>
9671 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
9672 Take care that typinfo gets dllexport-attribute.
9674 2012-02-07 Jakub Jelinek <jakub@redhat.com>
9677 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
9678 if modifier < EXPAND_SUM call force_operand on the result.
9680 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
9682 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
9683 adding __forwarder_dst__ prefix if a forwarder_section attribute is
9685 (epiphany_function_type): Replace types for specific interrupts with
9686 EPIPHANY_FUNCTION_INTERRUPT.
9687 (EPIPHANY_INTERRUPT_P): Update.
9688 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
9689 New static function.
9690 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
9691 <disinterrupt>: Affects type identity.
9692 (epiphany_handle_interrupt_attribute): Handle variable number of
9694 (epiphany_compute_function_type): Update for new
9695 epiphany_function_type definition.
9696 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
9697 handlers with a longcall forwarder.
9698 (epiphany_start_function): Handle multiple interrupt arguments and/or
9699 forwarder_section attribute.
9701 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
9704 2012-02-07 Alan Modra <amodra@gmail.com>
9707 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
9710 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9712 PR tree-optimization/50969
9713 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
9714 use vec_perm rather than vector_stmt.
9715 (vect_model_load_cost): Likewise.
9716 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
9717 vec_perm to be the same as other vector statements.
9718 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
9719 cost of vec_perm for TARGET_VSX.
9721 2012-02-06 Richard Guenther <rguenther@suse.de>
9723 PR tree-optimization/52115
9724 * tree-sra.c (access_has_replacements_p): New function.
9725 (sra_modify_assign): Use it to decide whether a use is uninitialized.
9727 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
9730 * trans-mem.c (expand_call_tm): Add an assertion.
9731 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
9734 2012-02-06 Richard Guenther <rguenther@suse.de>
9736 PR tree-optimization/50955
9737 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
9738 raise cost of expressions that replace an address with an
9739 expression based on a different pointer.
9741 2012-02-06 Jakub Jelinek <jakub@redhat.com>
9744 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
9745 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
9747 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
9750 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
9751 -Weffc++ and specify guidelines come from second edition.
9753 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
9755 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
9756 (sibcall_value_multiple_internal, call_split, call_internal_direct)
9757 (call_direct_split, call_value_split, call_value_internal_direct)
9758 (call_value_direct_split, call_value_multiple_split): Use jal and
9759 jal_macro attributes.
9761 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
9763 * reload1.c (reload_regs_reach_end_p): Replace with...
9764 (reload_reg_rtx_reaches_end_p): ...this function.
9765 (new_spill_reg_store): Update commentary.
9766 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
9767 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
9768 before setting new_spill_reg_store.
9769 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
9770 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
9771 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
9772 for non-spill reload registers.
9774 2012-02-05 Ira Rosen <irar@il.ibm.com>
9776 PR tree-optimization/52091
9777 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
9778 (vect_is_simple_use_1): Likewise.
9779 * tree-vect-loop.c (vectorizable_reduction): Update calls
9780 to vect_is_simple_use_1 and vect_is_simple_use.
9781 (vectorizable_live_operation): Likewise.
9782 * tree-vect-patterns.c (widened_name_p,
9783 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
9784 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
9785 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
9786 vectorizable_shift,vectorizable_operation, vectorizable_store,
9787 vectorizable_load): Likewise.
9788 (vect_is_simple_cond): Add an argument, pass it to
9789 vect_is_simple_use_1.
9790 (vectorizable_condition): Update calls to vect_is_simple_cond,
9792 (vect_is_simple_use): Add an argument, the statement in which
9793 OPERAND is used. Check that if OPERAND's def stmt is a double
9794 reduction phi node, the use is a phi node too.
9795 (vect_is_simple_use_1): Add an argument, pass it to
9797 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
9798 to vect_is_simple_use.
9800 2012-02-04 Jakub Jelinek <jakub@redhat.com>
9802 PR rtl-optimization/52095
9803 * modulo-sched.c (dump_insn_locator): New function.
9804 (loop_canon_p, sms_schedule): Use it.
9806 PR rtl-optimization/52113
9807 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
9808 even for decomposable shift/zext insns.
9810 2012-02-03 Jakub Jelinek <jakub@redhat.com>
9811 Zdenek Dvorak <ook@ucw.cz>
9813 PR rtl-optimization/52092
9814 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
9815 on get_iv_value result.
9817 2012-02-02 Andrew Pinski <apinski@cavium.com>
9821 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
9823 2012-02-02 Jakub Jelinek <jakub@redhat.com>
9826 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
9828 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
9830 PR rtl-optimization/49800
9831 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
9832 (sched_finish): Call regstat_free_n_sets_and_refs.
9834 2012-02-02 Jia Liu <proljc@gmail.com>
9836 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
9839 2012-02-02 Jan Hubicka <jh@suse.cz>
9840 Tom de Vries <tom@codesourcery.com>
9843 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
9844 * varpool.c (varpool_analyze_pending_decls): Likewise.
9846 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
9847 Jayant R Sonar <jayant.sonar@kpitcummins.com>
9849 * config.gcc: Add cr16-* support.
9851 * doc/extend.texi: Document cr16 extensions.
9852 * doc/install.texi: Document cr16 install.
9853 * doc/invoke.texi: Document cr16 options.
9854 * doc/md.texi: Document cr16 constraints.
9856 * common/config/cr16/cr16-common.c: New file.
9857 * config/cr16/cr16.c: New file.
9858 * config/cr16/cr16.h: New file.
9859 * config/cr16/cr16.md: New file.
9860 * config/cr16/cr16.opt: New file.
9861 * config/cr16/cr16-protos.h: New file.
9862 * config/cr16/predicates.md: New file.
9863 * config/cr16/constraints.md: New file.
9864 * config/cr16/t-cr16: New file.
9866 2012-02-02 Jakub Jelinek <jakub@redhat.com>
9869 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
9870 that operands[2] is either immediate, or q_regs_operand.
9872 PR tree-optimization/52073
9873 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
9874 a pattern stmt for pattern uses, ignore uses outside of the loop.
9876 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
9878 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
9879 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
9880 (OUT_AS1, OUT_AS2): Remove.
9882 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
9884 PR rtl-optimization/51374
9885 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
9886 to cross other volatile_refs_p insns.
9888 2012-02-01 Richard Guenther <rguenther@suse.de>
9890 * doc/invoke.texi (fno-inline): Clarify documentation.
9891 (finline-small-functions): Likewise.
9892 (finline-functions): Likewise.
9893 * common.opt (finline): Adjust comment and documentation.
9894 (finline-small-functions): Clarify documentation.
9895 (finline-functions): Likewise.
9896 (finline-functions-called-once): Likewise.
9898 2012-02-01 Tristan Gingold <gingold@adacore.com>
9900 * c-typeck.c (composite_type): Keep mode for pointers.
9902 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
9904 * function.h (regno_reg_rtx): Adjust comment.
9905 * reginfo.c (init_reg_modes_target): Only use the previous mode
9906 if it fits within one register. Remove MIPS comment.
9908 2012-01-31 Jakub Jelinek <jakub@redhat.com>
9911 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
9913 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
9915 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
9916 to srak instruction.
9918 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
9920 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
9922 2012-01-31 Jakub Jelinek <jakub@redhat.com>
9927 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
9929 2012-01-31 Richard Guenther <rguenther@suse.de>
9931 PR tree-optimization/51528
9932 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
9935 2012-01-31 Jakub Jelinek <jakub@redhat.com>
9940 * ree.c (add_removable_extension): Change def_map argument
9941 to unsigned *, store in def_map 1 + offset into *insn_list vector
9942 instead of pointers into the vector.
9943 (find_removable_extensions): Adjust caller.
9945 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
9947 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
9948 Transform all "* quoted-c-code" to { c-code }.
9949 Remove redundant test for "optimize" in combine patterns.
9950 Move (include "avr-dimode.md") to end of file.
9952 2012-01-30 Bin Cheng <bin.cheng@arm.com>
9955 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
9956 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
9958 2012-01-30 Richard Guenther <rguenther@suse.de>
9960 PR tree-optimization/52028
9961 * tree-loop-distribution.c (ldist_gen): Properly update
9964 2012-01-30 Jakub Jelinek <jakub@redhat.com>
9967 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
9968 set_cur_line_info_table if not emitting debug info.
9970 PR tree-optimization/52046
9971 * tree-vect-patterns.c (check_bool_pattern): Give up if
9972 a comparison could throw.
9975 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
9977 2012-01-30 Richard Guenther <rguenther@suse.de>
9979 PR tree-optimization/52045
9980 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
9981 SSA form if cfgcleanup did anything.
9983 2012-01-30 Richard Guenther <rguenther@suse.de>
9985 PR tree-optimization/52045
9986 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
9987 before computing final todo.
9989 2012-01-30 Richard Guenther <rguenther@suse.de>
9991 PR tree-optimization/51528
9992 * tree-sra.c (sra_modify_assign): Re-factor in preparation
9995 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
9997 * df-problems.c (df_kill_notes): Check that the use refers
9998 to the note under examination.
10000 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
10003 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
10004 parameter and use short-lived pseudos.
10005 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
10006 (sparc_expand_vector_init): Const-ify local variables and adjust
10007 calls to above functions.
10009 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
10011 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
10013 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
10015 * doc/invoke.texi: Make usage of "compile time" and
10016 "run time"/"runtime" consistent throughout the file.
10018 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
10020 * config/alpha/alpha.c (alpha_option_override): Default to
10021 full IEEE compliance mode for Go language.
10023 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
10025 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
10026 (LINK_SSP_SPEC): Define.
10028 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10031 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
10034 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
10036 * doc/invoke.texi: Correct hyphenation of "floating point",
10037 "double precision", and related terminology throughout the file.
10039 2012-01-28 Jakub Jelinek <jakub@redhat.com>
10042 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
10043 arm_general_register_operand predicate for operand 2 instead of
10046 2012-01-27 Ian Lance Taylor <iant@google.com>
10049 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
10050 * builtins.c (expand_builtin_init_trampoline): Add onstack
10051 parameter. Change caller.
10052 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
10053 * tree.c (build_common_builtin_nodes): Declare
10054 __builtin_init_heap_trampoline.
10056 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
10058 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
10059 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
10060 * config/avr/avr.c: Ditto.
10061 (avr_regnames): Remove because unused.
10062 * config/avr/avr.md (*cpse.ne): New peephole.
10063 (*cpse.eq): New peephole from former cpse peepholes.
10065 2012-01-27 Michael Eager <eager@eagercon.com>
10067 * config/microblaze.c (microblaze_emit_compare): Correct
10068 test after pcmp instruction.
10070 2012-01-27 Richard Guenther <rguenther@suse.de>
10072 PR tree-optimization/52020
10073 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
10075 2012-01-27 Richard Guenther <rguenther@suse.de>
10077 * ipa-pure-const.c (check_stmt): Clobbers do not make a
10078 function non-const/pure.
10080 2012-01-27 Richard Guenther <rguenther@suse.de>
10082 PR tree-optimization/50444
10083 * tree-sra.c (build_ref_for_offset): Properly adjust the
10084 MEM_REF type for unaligned accesses.
10086 2012-01-27 Richard Guenther <rguenther@suse.de>
10088 PR tree-optimization/50444
10089 * expr.c (mem_ref_refers_to_non_mem_p): New function.
10090 (expand_assignment): Use it. Properly handle misaligned
10091 bases when expanding stores to component references.
10092 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
10093 refactor that case.
10095 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
10097 PR middle-end/51389
10098 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
10099 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
10100 * tree-data-ref.c (find_data_references_in_loop): Make static.
10101 (compute_all_dependences): Change return type to bool. Bail out
10102 for too many datarefs in a loop. Move the hunk resetting the data
10103 dependences vector from ...
10104 (compute_data_dependences_for_loop): ... here. Account for
10105 compute_all_dependences returning false.
10106 (compute_data_dependences_for_bb): Likewise.
10107 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
10108 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
10110 2012-01-27 Richard Guenther <rguenther@suse.de>
10112 PR middle-end/51959
10113 * expr.c (store_field): Use the alias-set of the scratch memory
10116 2012-01-27 Tom de Vries <tom@codesourcery.com>
10118 PR tree-optimization/51990
10119 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
10121 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
10123 2012-01-27 Jakub Jelinek <jakub@redhat.com>
10126 * var-tracking.c (reverse_op): Don't add any reverse operation
10127 if V already has any constant locations.
10129 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
10131 * doc/invoke.texi: Correct usage of "command line" (noun)
10132 vs "command-line" (adjective) throughout.
10134 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
10136 * doc/invoke.texi (Language Independent Options): Move
10137 -Wcoverage-mismatch blurb from here....
10138 (Warning Options): ...to here.
10140 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
10142 * config/rs6000/rs6000.c (rs6000_option_override_internal):
10143 Set rs6000_always_hint to false for 476.
10145 2012-01-27 Matthias Klose <doko@ubuntu.com>
10147 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
10149 * incpath.c (add_standard_paths): Likewise.
10151 2012-01-27 Richard Henderson <rth@redhat.com>
10153 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10154 * config/m68k/sync.md (atomic_test_and_set): Rename from
10155 sync_test_and_setqi and adjust the operands.
10156 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
10157 and unconditionally enable.
10159 2012-01-27 Richard Henderson <rth@redhat.com>
10161 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10162 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
10163 (ldstub): Rename from ldstubqi.
10164 (ldstub<I24MODE>): Remove.
10166 2012-01-27 Richard Henderson <rth@redhat.com>
10168 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10169 * c-cppbuiltin.c (cpp_atomic_builtins): Define
10170 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
10171 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
10172 * doc/tm.texi: Rebuild.
10174 2012-01-27 Richard Henderson <rth@redhat.com>
10176 * optabs.c (gen_atomic_test_and_set): Remove default.
10177 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
10179 2012-01-26 Jakub Jelinek <jakub@redhat.com>
10181 PR rtl-optimization/51978
10182 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
10183 (combine_reaching_defs): Likewise.
10184 (struct re_info): Remove.
10185 (add_removable_extension): Remove x and data arguments,
10186 add insn, insn_list and def_map. Use the arguments directly
10187 instead of using struct re_info.
10188 (find_removable_extensions): Don't call add_removable_extension
10189 through note_stores, instead just call it with single_set
10190 result if non-NULL.
10191 (find_and_remove_re): Pass curr_cand->expr instead of
10192 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
10194 2012-01-26 Michael Matz <matz@suse.de>
10196 PR tree-optimization/46590
10197 * cfgexpand.c: Revert last change (r183305).
10198 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
10200 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
10201 checking for emptiness.
10203 2012-01-26 Jakub Jelinek <jakub@redhat.com>
10205 PR middle-end/51895
10206 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
10207 non-addressable non-BLKmode base correctly.
10209 2012-01-26 Michael Matz <matz@suse.de>
10211 PR tree-optimization/48794
10212 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
10213 regions referenced from RESX/EH_DISPATCH.
10215 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
10217 * config/s390/s390.h: Make BRANCH_COST an option.
10218 * config/s390/s390.opt: New option -mbranch-cost.
10220 2012-01-26 Richard Henderson <rth@redhat.com>
10222 Revert 2012-01-24 change:
10223 * trans-mem.c (requires_barrier): Do not instrument thread local
10224 variables and emit save/restore for them.
10226 2012-01-25 Jakub Jelinek <jakub@redhat.com>
10228 PR middle-end/51986
10229 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
10232 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
10234 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
10237 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
10240 Rename __pgm to __flash.
10241 Rename __pgm1 to __flash1.
10242 Rename __pgm2 to __flash2.
10243 Rename __pgm3 to __flash3.
10244 Rename __pgm4 to __flash4.
10245 Rename __pgm5 to __flash5.
10246 Rename __pgmx to __memx.
10247 * doc/extend.texi (AVR Named Address Spaces)
10248 Rename address space names as indicated above.
10249 * config/avr/avr.c (avr_addrspace): Ditto.
10251 * config/avr/avr-protos.h
10252 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
10253 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
10254 * config/avr/predicates.md: Ditto.
10255 * config/avr/avr.c Ditto, and
10256 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
10257 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
10259 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
10260 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
10261 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
10262 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
10263 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
10264 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
10265 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
10266 * config/avr/avr.c: Ditto.
10267 * config/avr/avr.md: Ditto.
10269 2012-01-25 Jason Merrill <jason@redhat.com>
10272 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
10274 2012-01-25 Jakub Jelinek <jakub@redhat.com>
10276 PR tree-optimization/51987
10277 * tree-data-ref.c (get_references_in_stmt): Handle references in
10278 non-volatile GIMPLE_ASM.
10280 2012-01-25 Richard Guenther <rguenther@suse.de>
10282 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
10283 bases are dereferenced.
10285 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
10287 PR rtl-optimization/48374
10288 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
10290 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
10292 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
10293 compute_data_dependences_for_loop returns false.
10294 * tree-parloops.c (loop_parallel_p): Likewise.
10296 2012-01-25 Richard Guenther <rguenther@suse.de>
10298 * tree.h (get_pointer_alignment_1): Declare.
10299 * builtins.c (get_pointer_alignment_1): New function.
10300 (get_pointer_alignment): Use it.
10302 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
10304 PR rtl-optimization/48308
10305 * combine.c (enum undo_kind): Add UNDO_LINKS.
10306 (struct undo): Add member l to other_contents and where.
10307 (do_SUBST_LINK): New.
10309 (try_combine): Handle LOG_LINKS for the dummy i1 case.
10310 (undo_all): Handle UNDO_LINKS.
10312 2012-01-25 Richard Henderson <rth@redhat.com>
10314 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
10317 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
10319 * optabs.c (gen_atomic_test_and_set): Use each argument.
10321 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
10323 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
10324 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
10325 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
10326 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
10327 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
10328 TARGET_PAIRED_SINGLE_FLOAT.
10330 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
10332 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
10333 (in_struct, return_val): Remove MEM documentation.
10334 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
10335 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
10336 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
10338 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10339 * cfgexpand.c (add_alias_set_conflicts): Likewise.
10340 * expr.c (store_field): Likewise.
10341 * function.c (assign_stack_temp_for_type): Likewise.
10342 * ifcvt.c (noce_try_cmove_arith): Likewise.
10343 * reload1.c (reload): Likewise.
10344 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
10345 (alpha_set_memflags): Likewise.
10346 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
10348 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
10350 * rtl.h (true_dependence, canon_true_dependence): Remove varies
10352 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
10353 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
10354 (true_dependence_1, true_dependence, canon_true_dependence): Remove
10356 * cselib.c (cselib_rtx_varies_p): Delete.
10357 (cselib_invalidate_mem): Update call to canon_true_dependence.
10358 * dse.c (record_store, check_mem_read_rtx): Likewise.
10359 (scan_reads_nospill): Likewise.
10360 * cse.c (check_dependence): Likewise.
10361 (cse_rtx_varies_p): Delete.
10362 * expr.c (safe_from_p): Update call to true_dependence.
10363 * ira.c (validate_equiv_mem_from_store): Likewise.
10364 (memref_referenced_p): Likewise.
10365 * postreload-gcse.c (find_mem_conflicts): Likewise.
10366 * sched-deps.c (sched_analyze_2): Likewise.
10367 * store-motion.c (load_kills_store): Likewise.
10368 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
10369 * gcse.c (mems_conflict_for_gcse_p): Likewise.
10370 (compute_transp): Update call to canon_true_dependence.
10372 2012-01-25 Richard Henderson <rth@redhat.com>
10374 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
10375 (maybe_emit_atomic_test_and_set): New.
10376 (expand_sync_lock_test_and_set): Use it.
10377 (expand_atomic_test_and_set): Likewise.
10378 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
10379 the implementation; clarify implementation defined details.
10380 * doc/md.texi (atomic_test_and_set): Document.
10382 2012-01-25 Richard Henderson <rth@redhat.com>
10384 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
10386 2012-01-25 Richard Henderson <rth@redhat.com>
10389 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
10390 to effect no-op split.
10392 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
10395 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
10396 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
10397 (BT_FN_VOID_PTR_INT_SIZE): New.
10398 (BT_FN_UINT_UINT_VAR): Remove.
10399 (BT_FN_UINT32_UINT32_VAR): New.
10400 (BT_FN_DOUBLE_VPTR): Remove.
10401 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
10403 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
10404 (_ITM_changeTransactionMode): Same.
10405 (_ITM_memmoveRtWt): Change return type to void.
10406 (_ITM_memcpyRtWt): Same.
10407 (_ITM_memsetW): Same.
10408 (_ITM_RaRD): Change types to double.
10413 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
10415 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
10416 Patrick Marlier <patrick.marlier@gmail.com>
10418 * trans-mem.c (requires_barrier): Do not instrument thread local
10419 variables and emit save/restore for them.
10421 2012-01-24 Jason Merrill <jason@redhat.com>
10424 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
10425 output static aliases.
10427 2012-01-24 Jakub Jelinek <jakub@redhat.com>
10430 * common.opt (-pie, -shared, pie, shared): Change from Common to
10432 * gcc.c (display_help): Display help for -pie and -shared.
10434 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
10437 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
10438 Remove note on size/offset limitation.
10439 (AVR Variable Attributes): Add example how to read data located
10440 with progmem. Refer to named address spaces.
10441 * doc/invoke.texi (AVR Options): Fix typo.
10443 2012-01-24 Richard Guenther <rguenther@suse.de>
10445 Forward-port to trunk
10446 2010-09-21 Jakub Jelinek <jakub@redhat.com>
10448 PR middle-end/45678
10449 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
10450 op0 isn't sufficiently aligned and there is movmisalignM
10451 insn for mode, use it to load op0 into a temporary register.
10453 2012-01-24 Jakub Jelinek <jakub@redhat.com>
10456 * target.def (const_not_ok_for_debug_p): New hook.
10457 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
10459 * doc/tm.texi: Regenerated.
10460 * dwarf2out.c (const_ok_for_output_1): If
10461 targetm.const_not_ok_for_debug_p returns true, fail.
10462 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
10464 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
10466 2012-01-23 Kai Tietz <ktietz@redhat.com>
10469 * config/i386/predicates.md (symbolic_operand): Allow
10470 UNSPEC_PCREL as PIC expression for lea.
10471 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
10472 * config/i386/i386.c (ix86_delegitimize_address): Handle
10473 UNSPEC_PCREL for none-MEM, too.
10475 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
10477 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
10478 (ipa_tm_create_version_alias): Same.
10480 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
10483 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
10484 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
10486 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
10487 Patrick Marlier <patrick.marlier@gmail.com>
10488 Iain Sandoe <developer@sandoe-acoustics.co.uk>
10491 * lto-wrapper.c (run_gcc): Pass the LTO section name to
10492 simple_object_start_read.
10494 2012-01-23 Richard Guenther <rguenther@suse.de>
10497 PR tree-optimization/51895
10498 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
10499 parameter decomposition into BLKmode components.
10501 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
10503 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
10504 fake variables for restrict-qualified pointers whose pointed-to type
10505 contains a placeholder.
10507 2012-01-23 Richard Guenther <rguenther@suse.de>
10509 PR tree-optimization/51949
10510 * ipa-split.c (execute_split_functions): Do not split malloc functions.
10512 2012-01-23 Jakub Jelinek <jakub@redhat.com>
10514 PR rtl-optimization/51933
10515 * ree.c (transform_ifelse): Return true right away if dstreg is
10516 already wider or equal to cand->mode.
10517 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
10518 (make_defs_and_copies_lists): Remove defs_list and copies_list
10519 arguments, add state argument, just truncate state->work_list
10520 instead of always allocating and freeing the vector. Assert that
10521 get_defs succeeds instead of returning 2. Changed return type to bool.
10522 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
10523 have ext_src_mode, see if it has been modified already with the
10524 right kind of extension and has been extended before from the
10525 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
10526 just return true. Remember the original mode in state->modified array.
10527 (combine_reaching_defs): Add state argument. Don't allocate and
10528 free here def_list, copied_list and vec vectors, instead just
10529 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
10530 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
10531 Add state variable, clear vectors in it, initialize state.modified
10532 if needed. Free all the vectors at the end and state.modified too.
10533 Don't skip a candidate if the extension expression has been modified.
10535 2012-01-22 Douglas B Rupp <rupp@gnat.com>
10538 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
10539 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
10540 (extra_options) interix.opt -> i386/interix.opt"
10541 (extra_objs):Add winnt-stubs.o
10542 * configure.ac: Add interix to target_os .comm on PE check.
10543 * configure: Regenerate.
10544 * config/interix3.h: Delete and move bits to..
10545 * config/interix.h: Delete and move bits to..
10546 * config/i386/i386-interix3.h: Delete and move bits to..
10547 * config/i386/i386-interix.h: ..here.
10548 (TARGET_CPU_DEFAULT): Remove redefinition.
10549 (TARGET_ASM_CONSTRUCTOR): Undefine.
10550 (SUBTARGET_SWITCHES): Define for ms-bitfields.
10551 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
10552 (PTRDIFF_TYPE): Define.
10553 (LONG_DOUBLE_TYPE_SIZE): Define.
10554 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
10555 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
10556 (TARGET_SECTION_TYPE_FLAGS): Define.
10557 (ASM_DECLARE_FUNCTION_NAME): Define.
10558 (ASM_OUTPUT_EXTERNAL): Define.
10559 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
10560 (ASM_OUTPUT_ALIGNED_BSS): Define.
10561 (PCC_BITFIELD_TYPE_MATTERS): Define.
10562 (USE_CONST_SECTION): Define.
10563 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
10564 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
10565 (SUPPORTS_ONE_ONLY): Remove.
10566 (I386_PE_STRIP_ENCODING): Define.
10567 * config/interix.opt: Delete and move bits to..
10568 * config/i386/interix.opt: ..here. New.
10569 (mpe-aligned-commons): Add.
10570 * config/i386/t-interix: Add copyright header.
10571 (winnt-stubs.o): Add rule.
10573 2012-01-22 Jason Merrill <jason@redhat.com>
10576 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
10577 for extra name aliases.
10579 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
10581 PR rtl-optimization/51924
10582 * ree.c (combine_set_extension): Improve debugging message.
10583 (combine_reaching_defs): Likewise.
10584 (get_defs): Rename confusingly named variable.
10585 (find_and_remove_re): Skip a candidate if the extension expression has
10588 2012-01-21 Robert Millan <rmh@gnu.org>
10589 Gerald Pfeifer <gerald@pfeifer.com>
10591 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
10592 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
10594 2012-01-20 Jakub Jelinek <jakub@redhat.com>
10596 PR tree-optimization/51914
10597 * tree-vect-stmts.c (vectorizable_conversion): For
10598 cvt_type && modifier == WIDEN, put temporary with cvt_type
10599 at the beginning of vec_dsts and set vec_dest to temporary
10602 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
10604 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
10606 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
10608 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
10609 * config/rs6000/rs6000.c: Likewise.
10611 2012-01-20 Jakub Jelinek <jakub@redhat.com>
10614 * config/arm/arm.c (arm_count_output_move_double_insns): Call
10615 output_move_double on a copy of operands array.
10617 2012-01-20 Cary Coutant <ccoutant@google.com>
10618 Dodji Seketeli <dodji@redhat.com>
10621 * dwarf2out.c (copy_declaration_context): Return ref to parent
10622 of declaration DIE, if necessary.
10623 (remove_child_or_replace_with_skeleton): Add new parameter; update
10624 caller. Place skeleton DIE under parent DIE of original declaration.
10625 Move call to copy_declaration_context to here ...
10626 (break_out_comdat_types): ... from here.
10628 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
10630 PR rtl-optimization/51856
10631 * reload.c (find_reloads_subreg_address): Set the address_reloaded
10634 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
10637 * config/arm/arm.c (arm_print_operand): Correct output of alignment
10638 hints for neon loads and stores.
10640 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
10644 * doc/extend.texi (Named Address Spaces): Split into subsections.
10645 (AVR Named Address Spaces): New subsection.
10646 (M32C Named Address Spaces): New subsection.
10647 (RL78 Named Address Spaces): New subsection.
10648 (SPU Named Address Spaces): New subsection.
10649 (Variable Attributes): New anchor "AVR Variable Attributes".
10650 (AVR Variable Attributes): Rewrite and avoid wording
10651 "address space" in this context.
10652 * doc/invoke.texi (AVR Options): Rewrite and add documentation
10653 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
10654 (AVR Built-in Macros): New subsubsection therein.
10655 * doc/md.texi (AVR constraints): Remove "C04", "R".
10657 2012-01-20 Richard Guenther <rguenther@suse.de>
10659 PR tree-optimization/51903
10660 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
10661 when removing stmts.
10663 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
10666 * config/arm/arm.c (arm_load_pic_register): Use
10667 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
10668 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
10669 (arm_pic_static_addr): Likewise.
10670 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
10671 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
10672 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
10673 (pic_load_addr_unified): New.
10675 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
10678 * function.c (instantiate_virtual_regs_in_insn): Use
10679 delete_insn_and_edges when removing a wrong asm insn.
10681 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
10683 PR rtl-optimization/40761
10684 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
10685 Add new member loop_num.
10686 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
10687 (ira_build): Remove the parameter.
10689 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
10690 (ira.c): Do not build CFG loops for one region allocation. Remove
10691 argument from ira_build call.
10693 * ira-build.c (init_loop_tree_node): New function.
10694 (create_loop_tree_nodes): Use it. Separate the case when CFG
10695 loops are not built.
10696 (more_one_region_p): Check current_loops.
10697 (finish_loop_tree_nodes): Separate the case when CFG loops are not
10699 (add_loop_to_tree): Process loop equal to NULL too.
10700 (form_loop_tree): Separate the case when CFG loops are not built.
10701 Use explicitly number for the root.
10702 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
10704 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
10705 instead of loop->num.
10706 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
10707 (mark_all_loops_for_removal): Ditto.
10708 (remove_unnecessary_regions): Separate the case when CFG loops
10710 (ira_build): Remove the parameter. Use explicit number of regions
10711 when CFG loops are not built.
10713 * ira-color.c (print_loop_title): Separate the case for the root node.
10714 Use loop_num instead of loop->num.
10715 (move_spill_restore): Use loop_num instead of loop->num.
10717 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
10718 (change_loop): Ditto.
10719 (change_loop): Use loop_num instead of loop->num.
10721 * ira-lives.c (process_bb_node_lives): Ditto.
10723 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
10725 * ira-conflicts.c (print_allocno_conflicts): Ditto.
10727 2012-01-19 Jakub Jelinek <jakub@redhat.com>
10729 PR libmudflap/40778
10730 * tree-mudflap.c (mf_artificial): New function.
10731 (execute_mudflap_function_ops, execute_mudflap_function_decls,
10732 mx_register_decls, mudflap_enqueue_decl): Use it.
10735 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
10736 numbers in the insn pattern.
10738 2012-01-19 Michael Matz <matz@suse.de>
10740 PR tree-optimization/46590
10741 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
10742 use it in remembering which conflicts we already created.
10743 (add_scope_conflicts): Adjust call to above, (de)allocate helper
10746 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
10749 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
10750 (merge_and_complain): Same.
10752 2012-01-19 Jakub Jelinek <jakub@redhat.com>
10755 * config/initfini-array.h: Guard content of the header
10756 with #ifdef HAVE_INITFINI_ARRAY.
10757 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
10758 Add initfini-array.h to tm_file here.
10759 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
10760 * config.gcc: Don't add initfini-array.h to tm_file here.
10761 * configure: Regenerated.
10763 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
10765 PR rtl-optimization/51505
10766 * df-problems.c (df_kill_notes): New parameter live. Update comment.
10767 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
10768 (df_note_bb_compute): Update the call to df_kill_notes.
10770 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
10772 * trans-mem.c (requires_barrier): Remove call to is_global_var.
10774 2012-01-18 Richard Guenther <rguenther@suse.de>
10776 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
10777 of conversions to void *.
10779 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
10780 Richard Sandiford <rdsandiford@googlemail.com>
10782 PR middle-end/50325
10783 PR middle-end/51192
10784 * optabs.h (simplify_expand_binop): Declare.
10785 * optabs.c (simplify_expand_binop): Make global.
10786 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
10787 endian targets if the source cannot be exactly covered by word
10790 2012-01-17 Jakub Jelinek <jakub@redhat.com>
10793 * hard-reg-set.h (struct hard_reg_set_container): New type.
10794 * target.h (struct hard_reg_set_container): Forward declare.
10795 * target.def (set_up_by_prologue): New target hook.
10796 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
10797 * doc/tm.texi: Regenerated.
10798 * function.c (thread_prologue_and_epilogue_insns): Change
10799 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
10800 Call targetm.set_up_by_prologue on it.
10801 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
10802 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
10804 2012-01-17 Nick Clifton <nickc@redhat.com>
10806 * config/rx/rx.c (rx_can_use_simple_return): New function.
10807 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
10808 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
10810 2012-01-17 Richard Guenther <rguenther@suse.de>
10812 PR middle-end/51782
10813 * expr.c (expand_assignment): Take address-space information
10814 from the address operand of MEM_REF and TARGET_MEM_REF.
10815 (expand_expr_real_1): Likewise.
10817 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
10819 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
10820 reload dump is requested.
10822 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
10825 * trans-mem.c (requires_barrier): Call may_be_aliased.
10827 2012-01-17 Jakub Jelinek <jakub@redhat.com>
10829 PR tree-optimization/51877
10830 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
10831 call arguments and fndecls compare equal, instead return false if they
10832 don't. Return true only if lhs1 and lhs2 are either both NULL, or
10833 both SSA_NAMEs that are valueized the same, or they satisfy
10836 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
10838 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
10840 * configure: Regenerate.
10842 2012-01-16 Jan Hubicka <jh@suse.cz>
10846 * convert.c (convert_to_integer): Use fold_convert for
10847 converting an INTEGER_CST to integer type.
10849 2012-01-16 Jason Merrill <jason@redhat.com>
10852 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
10854 2012-01-16 Jakub Jelinek <jakub@redhat.com>
10857 * config/s390/s390.c (s390_chunkify_start): Don't skip
10858 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
10859 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
10860 If insn is followed by NOTE_INSN_VAR_LOCATION or
10861 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
10862 Don't use location of note insns.
10864 PR tree-optimization/51865
10865 * tree-inline.c (tree_function_versioning): Call remap_decl
10866 on DECL_RESULT whenever it has VOID_TYPE_P type.
10868 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
10870 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
10871 for calls to locally-binding MIPS16 functions if only the return
10872 type uses float regs.
10874 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
10875 Richard Sandiford <rdsandiford@googlemail.com>
10877 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
10878 (SYMBOL_32_HIGH): Likewise.
10879 (mips_output_tls_reloc_directive): Declare.
10880 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
10881 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
10882 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
10883 (mips_lo_relocs, mips_hi_relocs): Make extern.
10884 (mips16_stub_function): Move up file.
10885 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
10886 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
10887 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
10888 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
10889 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
10890 (mips_get_tp): Add MIPS16 support.
10891 (mips_legitimize_tls_address): Remove MIPS16 sorry().
10892 Generalize DTPREL and TPREL handling.
10893 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
10894 Add MIPS16 TLS support.
10895 (mips_output_tls_reloc_directive): New function.
10896 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
10897 * config/mips/predicates.md (symbolic_operand_with_high)
10898 (tls_reloc_operand): New predicates.
10899 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
10900 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
10901 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
10902 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
10903 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
10904 (*tls_get_tp_mips16_call_<mode>): Likewise.
10906 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
10908 PR rtl-optimization/51821
10909 * recog.c (peep2_find_free_register): Determine clobbered registers
10912 2012-01-14 Denis Chertykov <chertykov@gmail.com>
10915 * config/avr/avr-protos.h: Revert change of 2012-01-09.
10916 * config/avr/avr.c: Likewise.
10917 * config/avr/avr.h: Likewise.
10919 2012-01-13 Ian Lance Taylor <iant@google.com>
10922 * tree.h (TYPE_QUALS): Add cast to int.
10923 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
10925 2012-01-13 Ian Lance Taylor <iant@google.com>
10927 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
10928 comparing param_index to VEC_length result.
10930 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
10932 * c-decl.c: Do not include tree-mudflap.h
10933 * tree-optimize.c: Likewise.
10934 * Makefile.in: Update dependencies.
10936 2012-01-13 Richard Guenther <rguenther@suse.de>
10939 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
10940 variable-sized result always use RSO.
10942 2012-01-12 DJ Delorie <dj@redhat.com>
10944 * cfgexpand.c (convert_debug_memory_address): Allow any valid
10945 pointer type, not just the default pointer type.
10947 2012-01-09 Richard Henderson <rth@redhat.com>
10948 Denis Chertykov <chertykov@gmail.com>
10951 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
10952 * config/avr/avr.c (avr_can_eliminate): Simplify.
10953 (avr_initial_elimination_offset): Likewise.
10954 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
10955 (expand_epilogue): Likewise.
10956 (avr_legitimize_address): Gut.
10957 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
10958 (avr_hard_regno_nregs): New.
10959 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
10960 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
10961 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
10962 add soft frame pointer.
10963 (CALL_USED_REGISTERS): Likewise.
10964 (REG_CLASS_CONTENTS): Likewise.
10965 (REGISTER_NAMES): Likewise.
10966 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
10967 (HARD_FRAME_POINTER_REGNUM): New.
10968 (FRAME_POINTER_REGNUM): Use soft frame pointer.
10969 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
10970 remove the HARD_FRAME_POINTER self-elimination.
10972 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
10975 * config/avr/avr.c (avr_encode_section_info): Test for absence of
10976 DECL_EXTERNAL when checking for initializers of progmem variables.
10978 2012-01-12 Ira Rosen <irar@il.ibm.com>
10980 PR tree-optimization/51799
10981 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
10982 that the last operation is a type demotion.
10984 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
10986 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
10987 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
10989 2012-01-11 Jakub Jelinek <jakub@redhat.com>
10992 * combine.c (distribute_notes): If i3 is a noreturn call,
10993 allow old_size to be equal to args_size and make sure the
10994 noreturn call gets REG_ARGS_SIZE note.
10995 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
10996 on noreturn calls even when the delta is 0.
10998 2012-01-11 Nathan Sidwell <nathan@acm.org>
11000 * gcov.c (STRING_SIZE): Remove.
11001 (generate_results): Erase annotations for source files with no
11002 coverage information.
11004 (output_lines): Use it.
11006 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
11008 * gimple.h (gimplify_body): Remove first argument.
11009 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
11010 pointer set here, instead just pass DATA to walk_tree.
11011 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
11012 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
11013 (unvisit_body): Likewise, but with unmark_visited.
11014 (gimplify_body): Remove BODY_P argument and adjust.
11015 (gimplify_function_tree): Adjust call to gimplify_body.
11016 * omp-low.c (finalize_task_copyfn): Likewise.
11018 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
11020 * tree.h (build_function_decl_skip_args): Add boolean parameter.
11021 (build_function_type_skip_args): Delete.
11022 * tree.c (build_function_type_skip_args): Make static and add
11023 SKIP_RETURN parameter. Fix thinko in the handling of variants.
11024 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
11025 pass it to build_function_type_skip_args.
11026 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
11027 (tree_function_versioning): Likewise.
11028 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
11029 build_function_decl_skip_args.
11030 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
11031 and pass it to build_function_decl_skip_args/tree_function_versioning.
11032 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
11033 * ipa-inline-transform.c (save_inline_function_body): Likewise.
11034 * trans-mem.c (ipa_tm_create_version): Likewise.
11035 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
11036 * tree-inline.c (declare_return_variable): Remove always-true test.
11037 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
11038 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
11039 * ipa-split.c (split_function): Skip the return value for the split
11040 part if it doesn't return.
11042 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
11044 PR tree-optimization/49642
11045 * ipa-split.c (forbidden_dominators): New variable.
11046 (check_forbidden_calls): New function.
11047 (dominated_by_forbidden): Likewise.
11048 (consider_split): Check for forbidden dominators.
11049 (execute_split_functions): Initialize and free forbidden
11050 dominators info; call check_forbidden_calls.
11052 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
11054 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
11056 2012-01-11 Nick Clifton <nickc@redhat.com>
11058 * config/rx/rx.md (return): Define pattern.
11060 2012-01-11 Richard Guenther <rguenther@suse.de>
11062 * doc/extend.texi (malloc attribute): Adjust according to
11065 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
11066 Patrick Marlier <patrick.marlier@gmail.com>
11068 PR middle-end/51516
11069 * trans-mem.c (get_cg_data): Traverse aliases if requested.
11070 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
11071 (ipa_tm_note_irrevocable): Same.
11072 (ipa_tm_scan_irr_block): Same.
11073 (ipa_tm_decrement_clone_counts): Same.
11074 (ipa_tm_scan_irr_function): Same.
11075 (ipa_tm_create_version_alias): Same.
11076 (ipa_tm_create_version): Same.
11077 (ipa_tm_transform_calls_redirect): Same.
11078 (ipa_tm_transform_calls): Same.
11079 (ipa_tm_transform_transaction): Same.
11080 (ipa_tm_execute): Same.
11082 2012-01-10 Richard Guenther <rguenther@suse.de>
11084 PR middle-end/51806
11085 * opts.c (common_handle_option): Handle -Werror.
11087 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
11089 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
11092 2012-01-10 Jason Merrill <jason@redhat.com>
11094 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
11097 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
11099 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
11100 supports R_386_TLS_GD_PLT reloc.
11101 (gcc_cv_as_ix86_tlsldmplt): Check if linker
11102 supports R_386_TLS_LDM_PLT reloc.
11103 * configure: Regenerate.
11104 * config.in: Regenerate.
11106 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
11109 Extend __pgmx semantics to linearize memory.
11110 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
11111 determine if code comes inline or from libgcc.
11112 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
11113 (movmem_qi, movmem_qi): Set constraint #2 to "n".
11114 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
11115 (movmemx_qi, movmemx_hi): New insns.
11116 (xload_<mode>_libgcc): Rewrite to new insn condition.
11117 (xload_<mode>): Remove insns.
11118 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
11119 cases that don't satisfy avr_xload_libgcc_p().
11120 (avr_addr_space_convert): Allow converting in any direction.
11121 (avr_addr_space_subset_p): Return always true.
11122 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
11123 (avr_emit_movmemhi): Ditto.
11124 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
11125 (avr_out_movmem): Ditto.
11126 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
11127 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
11128 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
11129 (avr_encode_section_info): Encode 'progmem' in symbol flags.
11130 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
11132 2012-01-10 Richard Guenther <rguenther@suse.de>
11134 PR tree-optimization/50913
11135 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
11136 Require data-refs to be representable by Graphite with respect
11139 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
11141 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
11142 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
11144 2012-01-10 Tom de Vries <tom@codesourcery.com>
11146 PR rtl-optimization/51271
11147 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
11148 handling annulled branch.
11150 2012-01-10 Richard Henderson <rth@redhat.com>
11152 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
11153 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
11154 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
11155 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
11156 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
11157 arm_expand_vec_perm_const): New.
11158 * config/arm/arm-protos.h: Update.
11159 * config/arm/neon.md (UNSPEC_VCONCAT): New.
11160 (*neon_vswp<VDQX>): New.
11161 (neon_vcombine<VDX>): Use neon_split_vcombine.
11162 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
11163 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
11164 (vec_perm<VE>): New.
11166 2012-01-10 Richard Henderson <rth@redhat.com>
11168 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
11169 use it if reload_completed.
11170 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
11171 arm_output_asm_insn, arm_process_output_memory_barrier,
11172 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
11173 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
11174 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
11175 arm_process_output_sync_insn, arm_output_sync_insn,
11176 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
11177 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
11178 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
11179 (emit_unlikely_jump): New.
11180 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
11181 (arm_split_atomic_op): New.
11182 * config/arm/arm-protos.h: Update.
11183 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
11184 (struct arm_sync_generator): Remove.
11185 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
11186 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
11187 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
11188 (VUNSPEC_LL, VUNSPEC_SC): New.
11189 (sync_result, sync_memory, sync_required_value, sync_new_value,
11190 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
11191 (attr length): Don't use arm_sync_loop_insns.
11192 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
11193 (movsfcc, movdfcc): Likewise.
11194 * config/arm/constraints.md (Ua): New.
11195 * config/arm/prediates.md (mem_noofs_operand): New.
11196 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
11197 (sync_clobber, sync_t2_reqd): Remove.
11198 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
11199 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
11200 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
11201 (arm_sync_compare_and_swap<SIDI>): Remove.
11202 (arm_sync_compare_and_swap<NARROW>): Remove.
11203 (arm_sync_lock_test_and_set<SIDI>): Remove.
11204 (arm_sync_lock_test_and_set<NARROW>): Remove.
11205 (arm_sync_new_<syncop><SIDI>): Remove.
11206 (arm_sync_new_<syncop><NARROW>): Remove.
11207 (arm_sync_new_nand<SIDI>): Remove.
11208 (arm_sync_new_nand<NARROW>): Remove.
11209 (arm_sync_old_<syncop><SIDI>): Remove.
11210 (arm_sync_old_<syncop><NARROW>): Remove.
11211 (arm_sync_old_nand<SIDI>): Remove.
11212 (arm_sync_old_nand<NARROW>): Remove.
11213 (*memory_barrier): Merge arm_output_memory_barrier.
11214 (atomic_compare_and_swap<QHSD>): New.
11215 (atomic_compare_and_swap<NARROW>_1): New.
11216 (atomic_compare_and_swap<SIDI>_1): New.
11217 (atomic_exchange<QHSD>): New.
11218 (cas_cmp_operand, cas_cmp_str): New.
11219 (atomic_op_operand, atomic_op_str): New.
11220 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
11221 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
11222 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
11223 (arm_load_exclusive<NARROW>): New.
11224 (arm_load_exclusivesi, arm_load_exclusivedi): New.
11225 (arm_store_exclusive<QHSD>): New.
11227 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
11229 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
11230 reload patterns if -mvsx-scalar-memory.
11232 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
11233 generated, even -mno-vsx-scalar-double was used.
11234 (vsx_xscvdpsp_scalar): Likewise.
11235 (vsx_xscvspdp_scalar2): Likewise.
11237 2012-01-09 Tom de Vries <tom@codesourcery.com>
11238 Andrew Pinski <apinski@cavium.com>
11241 * reorg.c (fill_slots_from_thread): Don't speculate
11242 frame-related insns.
11244 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
11246 * sched-int.h (bb_note): Move to...
11247 * basic-block.h: ...here.
11248 * haifa-sched.c (bb_note): Move to...
11249 * cfgrtl.c: ...here.
11250 * function.c (next_block_for_reg): New function.
11251 (move_insn_for_shrink_wrap): Likewise.
11252 (prepare_shrink_wrap): Rewrite to use the above.
11254 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
11256 * gimple.c (is_gimple_non_addressable): Remove.
11257 * gimple.h: Remove is_gimple_non_addressable.
11258 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
11259 is_gimple_non_addressable.
11260 * trans-mem.c (expand_assign_tm): Same.
11262 2012-01-09 Richard Guenther <rguenther@suse.de>
11264 PR tree-optimization/51775
11265 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
11266 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
11268 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
11270 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
11272 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
11274 2012-01-09 Richard Guenther <rguenther@suse.de>
11276 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
11278 2012-01-08 Jan Hubicka <jh@suse.cz>
11280 PR tree-optimize/51680
11281 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
11282 on when known_vals needs to be computed; cleanup.
11284 2012-01-08 Jan Hubicka <jh@suse.cz>
11286 PR tree-optimize/51694
11287 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
11289 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
11291 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
11292 for -std=c++98 and -std=c++11 too.
11294 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
11296 * cfgloop.c (cancel_loop): Add free() of bbs array.
11298 2012-01-07 Jan Hubicka <jh@suse.cz>
11300 PR tree-optimization/51600
11301 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
11302 that benefits small functions.
11304 2012-01-07 Jan Hubicka <jh@suse.cz>
11306 * ipa-inline.c (want_inline_small_function_p): Fix formating.
11308 2012-01-07 Jan Hubicka <jh@suse.cz>
11310 PR tree-optimization/51680
11311 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
11312 whose inlining reduce unit size.
11314 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
11317 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
11318 Add canonical node to containing_mem chain after the non-canonical
11319 one, even if there weren't any locs to propagate.
11320 (remove_useless_values): Keep only canonical values.
11321 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
11322 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
11323 canonicalize mem_chain elements that are not discarded.
11325 2012-01-06 Jakub Jelinek <jakub@redhat.com>
11328 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
11329 before emitting functions.
11331 PR gcov-profile/50127
11332 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
11333 clear_aux_for_blocks.
11335 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
11338 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
11340 2012-01-06 Arnaud Charlet <charlet@adacore.com>
11342 * c-decl.c (ext_block): Moved up.
11343 (collect_all_refs, for_each_global_decl): Take ext_block into account.
11345 2012-01-06 Han Shen <shenhan@google.com>
11347 Translate built-in include paths for sysroot.
11348 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
11349 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
11351 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
11352 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
11354 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
11355 control whether sysroot should be prepended to gxx include dir.
11357 * configure: Regenerate.
11359 2012-01-06 Torvald Riegel <triegel@redhat.com>
11361 PR rtl-optimization/51771
11362 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
11363 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
11365 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
11367 PR tree-optimization/51315
11368 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
11369 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
11371 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
11374 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
11375 for shrp pattern. Correctly handle and fixup shift variable.
11376 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
11378 2012-01-05 Jakub Jelinek <jakub@redhat.com>
11381 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
11382 note when !ACCUMULATE_OUTGOING_ARGS.
11384 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
11386 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
11388 (extract_range_from_unary_expr_1): Avoid useless computations.
11390 2012-01-05 Jakub Jelinek <jakub@redhat.com>
11392 PR rtl-optimization/51767
11393 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
11394 of jump_block and add an extra edge for degenerated asm gotos.
11396 PR middle-end/51768
11397 * stmt.c (check_unique_operand_names): Don't ICE during error
11398 reporting if i is from labels chain.
11400 PR middle-end/44777
11401 * profile.c (branch_prob): Split bbs that have exit edge
11402 and need a fake entry edge too.
11404 2012-01-05 Jan Hubicka <jh@suse.cz>
11406 PR middle-end/49710
11407 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
11410 2012-01-05 Richard Guenther <rguenther@suse.de>
11413 * tree-streamer-out.c (write_ts_optimization): New function.
11414 (streamer_write_tree_body): Call it.
11415 * tree-streamer-in.c (lto_input_ts_optimization): New function.
11416 (streamer_read_tree_body): Call it.
11417 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
11419 2012-01-05 Jakub Jelinek <jakub@redhat.com>
11421 PR middle-end/51761
11422 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
11423 * gimplify.c (gimplify_cleanup_point_expr): Save and set
11424 in_cleanup_point_expr before gimplify_stmt call and restore it
11426 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
11427 in_cleanup_point_expr is false.
11429 2012-01-05 Richard Guenther <rguenther@suse.de>
11431 PR middle-end/51764
11432 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
11434 * toplev.c (process_options): Reject combining mudflap and LTO.
11435 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
11437 2012-01-05 Richard Guenther <rguenther@suse.de>
11439 PR tree-optimization/51760
11440 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
11442 (bit_value_unop): Handle UNDEFINED operands.
11443 (bit_value_binop): Likewise.
11445 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
11447 * config/avr/avr.c (avr_replace_prefix): Remove.
11448 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
11449 (avr_asm_function_rodata_section): Ditto.
11450 (avr_asm_select_section): Ditto.
11452 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
11454 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
11457 2012-01-05 Jakub Jelinek <jakub@redhat.com>
11460 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
11461 calls that have any non-fake successor edges.
11464 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
11466 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
11468 PR tree-optimization/51624
11469 * tree-sra.c (build_ref_for_model): When replicating a chain of
11470 COMPONENT_REFs, stop as soon as the offset would become negative.
11472 2012-01-04 Jakub Jelinek <jakub@redhat.com>
11475 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
11476 in .debug_loc on the floor.
11478 2012-01-04 Andrew Pinski <apinski@cavium.com>
11480 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
11482 2012-01-04 Andrew Pinski <apinski@cavium.com>
11483 Adam Nemet <anemet@caviumnetworks.com>
11485 * config/mips/mips.md (size): Add SI and DI.
11486 (SIZE): New mode attribute.
11487 (U): New code attribute.
11488 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
11489 (mips_lbux_<mode>): Delete.
11490 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
11491 (mips_lhx): Use gen_mips_lhx_extsi.
11492 (mips_lhx_<mode>): Delete.
11493 (mips_lwx): Delete.
11494 (mips_l<size>x): New expand.
11495 (mips_lwx_<mode>): Delete.
11496 (mips_l<GPR:size>x_<P:mode>): New pattern.
11497 (*mips_lw<u>x_<P:mode>_ext): Likewise.
11498 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
11499 * config/mips/mips.c (mips_lx_address_p): New function.
11500 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
11501 (dsp64): New availability predicate.
11502 (mips_builtins): Add an entry for __builtin_mips_ldx.
11503 * config/mips/mips.h (ISA_HAS_LBX): New define.
11504 (ISA_HAS_LBUX): Likewise.
11505 (ISA_HAS_LHX): Likewise.
11506 (ISA_HAS_LHUX): Likewise.
11507 (ISA_HAS_LWX): Likewise.
11508 (ISA_HAS_LWUX): Likewise.
11509 (ISA_HAS_LDX): Likewise.
11510 * doc/extend.texi (__builtin_mips_ldx): Document.
11512 2012-01-04 Tristan Gingold <gingold@adacore.com>
11514 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
11515 when long pointers are used.
11516 * config.build (*-*-*vms*): Handle all OpenVMS targets.
11517 (alpha64-dec-*vms*, alpha*-dec-*vms*)
11518 (ia64-hp-*vms*): Remove.
11519 * config/vms/xm-vms64.h: Delete.
11521 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
11523 PR middle-end/51472
11524 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
11526 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
11528 * opts.c (finish_options): Remove duplicate sorry.
11530 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
11532 PR middle-end/51696
11533 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
11536 2012-01-04 Richard Guenther <rguenther@suse.de>
11538 PR middle-end/51750
11539 * tree.c (size_low_cst): New function.
11540 * tree.h (size_low_cst): Declare.
11541 * fold-const.c (fold_comparison): Use it to extract the low
11542 part of the POINTER_PLUS_EXPR offset.
11544 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
11546 Fix clearing ZERO_REG
11547 * config/avr/avr.md (cc): Add alternative "ldi".
11548 (movqi_insn): Use it in cc attribute.
11549 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
11550 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
11551 (output_reload_insisf): Use ZERO_REG to pre-clear register.
11553 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
11555 * configure: Regenerate.
11557 2012-01-04 Richard Guenther <rguenther@suse.de>
11559 PR tree-optimization/49651
11560 * tree-ssa-structalias.c (type_can_have_subvars): New function.
11561 (var_can_have_subvars): Use it.
11562 (get_constraint_for_1): Only consider subfields if there can be any.
11564 2012-01-03 Jakub Jelinek <jakub@redhat.com>
11567 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
11568 to its new canonical_cselib_val and the cselib_val was in
11569 first_containing_mem chain, but the canonical_cselib_val was not,
11570 add the latter into the chain.
11571 (cselib_invalidate_mem): Compare canonical_cselib_val of
11572 addr_list chain elt with v.
11575 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
11576 dwarf2out_undef): Allocate e.info using ggc_strdup instead
11578 (output_macinfo_op): Don't ggc_strdup fd->filename.
11579 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
11580 then ggc_strdup it. Don't free inc->info or cur->info.
11581 (output_macinfo): Don't free ref->info or file->info.
11583 2012-01-03 Ira Rosen <irar@il.ibm.com>
11585 PR tree-optimization/51269
11586 * tree-vect-loop-manip.c (set_prologue_iterations): Make
11587 first_niters a pointer.
11588 (slpeel_tree_peel_loop_to_edge): Likewise.
11589 (vect_do_peeling_for_loop_bound): Update call to
11590 slpeel_tree_peel_loop_to_edge.
11591 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
11592 here. Remove it from the parameters list.
11593 (vect_do_peeling_for_alignment): Update calls and compute
11594 wide_prolog_niters.
11596 2012-01-03 Richard Guenther <rguenther@suse.de>
11598 PR tree-optimization/51070
11599 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
11600 Properly handle calls.
11602 2012-01-03 Richard Guenther <rguenther@suse.de>
11604 PR tree-optimization/51692
11605 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
11606 the LHS of allocation stmts.
11608 2012-01-03 Olivier Hainque <hainque@adacore.com>
11610 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
11612 2012-01-03 Olivier Hainque <hainque@adacore.com>
11614 * collect2.c (main): In AIX specific computations for vector
11615 insertions, use CONST_CAST2 to cast from char ** to const char **.
11617 2012-01-03 Richard Guenther <rguenther@suse.de>
11620 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
11621 the context of a limbo DIE when it does not already exist.
11623 2012-01-03 Jakub Jelinek <jakub@redhat.com>
11625 PR tree-optimization/51719
11626 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
11627 but direct call is, clear direct call's lhs and don't add fallthrough
11628 edge from dcall_bb to join_bb and PHIs.
11630 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
11632 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
11633 the instructions emitted by the pattern.
11634 ("*TDC_insn_<mode>"): Add comment.
11636 2012-01-03 Richard Guenther <rguenther@suse.de>
11638 PR middle-end/51730
11639 * fold-const.c (fold_comparison): Properly canonicalize
11640 tree offset and HOST_WIDE_INT bit position.
11642 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
11644 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
11645 operands for extzv pattern.
11647 2012-01-02 Jakub Jelinek <jakub@redhat.com>
11650 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
11653 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
11655 * doc/invoke.texi (-flto and related options): Copy-edit.
11657 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
11659 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
11661 2012-01-02 Jakub Jelinek <jakub@redhat.com>
11663 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
11666 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
11668 * expr.h (move_by_pieces_ninsns): Declare.
11669 * expr.c (move_by_pieces_ninsns): Make external.
11670 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
11671 (mips_store_by_pieces_p): Likewise.
11672 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
11673 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
11674 * config/mips/mips.c (mips_move_by_pieces_p): New function.
11675 (mips_store_by_pieces_p): Likewise.
11677 2012-01-02 Jakub Jelinek <jakub@redhat.com>
11679 * passes.c (register_one_dump_file): Free full_name.
11681 * reload1.c (reload): Don't allocate reg_max_ref_width here.
11682 (calculate_elim_costs_all_insns): Free offsets_at and
11683 offsets_known_at at the end and clear the pointers.
11685 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
11687 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
11688 this option introduced in r180739.
11690 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
11693 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
11694 (tmake_file target=avr): Add avr/t-multilib.
11696 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
11697 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
11698 * config/avr/genmultilib.awk: New file.
11699 * config/avr/t-multilib: New auto-generated file.
11700 * config/avr/multilib.h: New auto-generated file.
11701 * config/avr/t-avr (AVR_MCUS): New variable.
11702 (genopt.sh): Use it.
11703 (s-mlib): Depend on t-multilib.
11704 (t-multilib, multilib.h): New dependencies.
11705 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
11706 (MULTILIB_OPTIONS): Remove.
11707 (MULTILIB_MATCHES): Remove.
11708 (MULTILIB_DIRNAMES): Remove.
11709 (MULTILIB_EXCEPTIONS): Remove:
11710 * config/avr/genopt.sh: Don't use hard coded file name;
11711 pass AVR_MCUS from t-avr instead.
11713 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
11715 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
11717 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
11719 Implement light-weight DImode support.
11720 * config/avr/avr-dimode.md: New file.
11721 * config/avr/avr.md: Include it.
11722 (adjust_len): Add plus64, compare64.
11723 (HIDI): Remove code iterator.
11724 (code_stdname): New code attribute.
11725 (rotx, rotsmode): Remove DI.
11726 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
11728 * config/avr/avr-protos.h (avr_have_dimode): New.
11729 (avr_out_plus64, avr_out_compare64): New.
11730 * config/avr/avr.c (avr_out_compare): Handle DImode.
11731 (avr_have_dimode): New variable definition and initialization.
11732 (avr_out_compare64, avr_out_plus64): New functions.
11733 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
11734 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
11735 (avr_compare_pattern): Skip DImode comparisons.
11737 2012-01-02 Revital Eres <revital.eres@linaro.org>
11739 * ddg.c (def_has_ccmode_p): New function.
11740 (add_cross_iteration_register_deps,
11741 create_ddg_dep_from_intra_loop_link): Call it.
11743 2012-01-02 Richard Guenther <rguenther@suse.de>
11746 * invoke.texi (fassociative-math): Remove spurious paranthesis.
11748 2012-01-01 Jakub Jelinek <jakub@redhat.com>
11750 * gcc.c (process_command): Update copyright notice dates.
11751 * gcov.c (print_version): Likewise.
11752 * gcov-dump.c (print_version): Likewise.
11753 * mips-tfile.c (main): Likewise.
11754 * mips-tdump.c (main): Likewise.
11756 2012-01-01 Ira Rosen <irar@il.ibm.com>
11758 PR tree-optimization/51704
11759 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
11760 a use is inside the basic block or loop before accessing its vect info.
11762 2012-01-01 Jan Hubicka <jhjh@suse.cz>
11764 PR rtl-optimization/51069
11765 * cfgloopmanip.c (remove_path): Removing path making irreducible
11766 region unconditional makes BB part of the region.
11768 2012-01-01 Jakub Jelinek <jakub@redhat.com>
11770 PR tree-optimization/51683
11771 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
11772 calls with side-effects.
11773 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
11775 Copyright (C) 2012 Free Software Foundation, Inc.
11777 Copying and distribution of this file, with or without modification,
11778 are permitted in any medium without royalty provided the copyright
11779 notice and this notice are preserved.