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blob983cd3237205caa83e9a723e06d0d491c38f1b2a
1 2012-05-25  Thomas Schwinge  <thomas@codesourcery.com>
3         * fold-const.c (optimize_bit_field_compare): Abort early in the strict
4         volatile bitfields case.
6 2012-05-24  Pat Haugen  <pthaugen@us.ibm.com>
8         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
9         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
10         (adjacent_mem_locations): Move some code to and call...
11         (get_memref_parts): ...new function.
12         (mem_locations_overlap): New function.
13         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
14         (is_mem_ref): Rename to...
15         (find_mem_ref): ...this. Return MEM rtx.
16         (get_store_dest): Remove function.
17         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
18         new parameter and adjust calls.
19         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
20         mem refs overlap for true_store_to_load_dep_costly.
21         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
22         passed to adjacent_mem_locations.
23         (is_costly_group): Walk resolved dependency list.
24         (force_new_group): Emit group ending nop for Power6/Power7.
25         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
26         (group_ending_nop): New define_insn.
28 2012-05-24  Dodji Seketeli  <dodji@redhat.com>
30         Make unwound macro expansion trace less redundant
31         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Don't print
32         context of macro definition in the trace, when it's redundant.
33         Update comments.
35 2012-05-24  Richard Guenther  <rguenther@suse.de>
37         PR middle-end/53460
38         * tree-profile.c (tree_profiling): Cleanup the CFG if
39         execute_fixup_cfg requests it.
41 2012-05-24  Richard Guenther  <rguenther@suse.de>
43         * tree-flow.h (create_var_ann): Remove.
44         * tree-dfa.c (create_var_ann): Remove and inline into its
45         single caller ...
46         (add_referenced_var_1): ... here.
47         * varpool.c (add_new_static_var): Do not call add_referenced_var
48         for global vars.
49         * gimple-fold.c (canonicalize_constructor_val): Likewise.
50         * tree-switch-conversion.c (build_one_array): Likewise.
51         * tree-profile.c (gimple_gen_ic_profiler): Likewise.
52         * tree-flow-inline.h (gimple_referenced_vars): Guard against
53         NULL fn argument.
54         * tree-inline.c (remap_gimple_op_r): Likewise.  Check
55         gimple_referenced_vars instead of gimple_in_ssa_p.
56         (copy_tree_body_r): Likewise.
57         (setup_one_parameter): Likewise.
58         (declare_return_variable): Likewise.
59         (tree_function_versioning): Likewise.
61 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
63         PR tree-optimization/53465
64         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
65         vr0 into *vr, then vrp_meet that.
66         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
67         have any equivalences.
68         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
69         first time.
71 2012-05-24  Jim MacArthur  <jim.macarthur@arm.com>
73         * recog.c (reg_fits_class_p): Check both regno and regno + offset are
74         hard registers.
75         * regs.h (in_hard_reg_set_p): Assert that regno is a hard register and
76         check end_regno - 1 is a hard register.
78 2012-05-24  Richard Guenther  <rguenther@suse.de>
80         * varpool.c (add_new_static_var): Remove call to create_var_ann.
81         * tree-ssa-operands.c (create_vop_var): Likewise.
83 2012-05-24  Richard Guenther  <rguenther@suse.de>
85         PR bootstrap/53466
86         * tree-ssa-live.c (remove_unused_scope_block_p): Properly
87         handle globals.
88         (remove_unused_locals): Pass global_unused_vars to
89         remove_unused_scope_block_p.  Restore code walking all
90         referenced vars and pruning them.
92 2012-05-23  Jan Hubicka  <jh@suse.cz>
94         * tree.h (alias_diag_flags): Remove.
95         (alias_pair): Remove emitted_diags.
96         (finish_aliases_1, finish_aliases_2, remove_unreachable_alias_pairs,
97         symbol_alias_set_t, symbol_alias_set_destroy,
98         symbol_alias_set_contains, propagate_aliases_backward): Remove.
99         * toplev.c (compile_file): Do not call finish_aliases_2
100         * cgraphunit.c (cgraph_process_new_functions): Do not call finish_aliases_1.
101         (handle_alias_pairs): Output diagnostics about aliases to externals.
102         (assemble_thunks_and_aliases): Use do_assemble_alias.
103         (output_weakrefs): Likewise.
104         (finalize_compilation_unit): Do not call finish_aliases_1.
105         * ipa.c (symtab_remove_unreachable_nodes): De not call remove_unreachable_alias_pairs.
106         * varasm.c (do_assemble_alias): Export.
107         (symbol_alias_set_create, symbol_alias_set_destroy, symbol_alias_set_contains,
108         symbol_alias_set_insert, propagate_aliases_forward, propagate_aliases_backward,
109         propagate_aliases_backward, trivially_visible_alias, trivially_defined_alias,
110         remove_unreachable_alias_pairs, finish_aliases_1, finish_aliases_2, 
111         assemble_alias): Remove.
112         * output.h (do_assemble_alias): Declare.
113         * varpool.c (varpool_remove_unreferenced_decls): Do not call finish_aliases_1.
115 2012-05-23  Martin Jambor  <mjambor@suse.cz>
117         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
119 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
121         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
122         size handling.
123         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
124         (iterative_hash_gimple_type): Adjust comment.
125         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
126         domain for an array type instead of the domain type itself.
128 2012-05-23  Richard Guenther  <rguenther@suse.de>
130         PR tree-optimization/53438
131         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
133 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
135         PR target/53448
136         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
137         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
138         ASM_OUTPUT_ALIGN.
140 2012-05-23  Richard Guenther  <rguenther@suse.de>
142         * tree-dfa.c (add_referenced_var_1): Do not add global vars.
143         * tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
144         via the global_unused_vars bitmap.
145         (remove_unused_locals): Handle global vars in local-decls via
146         a global_unused_vars bitmap instead of the used flag in the
147         var annotation.  Simplify global variable handling and removal.
149 2012-05-22  Jan Hubicka  <jh@suse.cz>
151         PR middle-end/53426
152         * tree-ssa-structalias.c (create_variable_info_for): Skip constructors
153         from other partitions.
155 2012-05-22  Jan Hubicka  <jh@suse.cz>
157         PR middle-end/53161
158         * symtab.c (symtab_register_node): Fix ordering issue.
160 2012-05-22  Steven Drake <sbd@NetBSD.org>
162         * gcc.c (do_spec_1): Add %M spec token to output multilib_os_dir.
164 2012-05-22  David Edelsohn  <dje.gcc@gmail.com>
166         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
167         Use strip_name_encoding target hook.
169 2012-05-22  Richard Guenther  <rguenther@suse.de>
171         * tree.h (VAR_DECL_IS_VIRTUAL_OPERAND): New.
172         (init_function_for_compilation): Remove.
173         * tree-dfa.c (find_vars_r): Take struct function argument.
174         (find_referenced_vars_in): Adjust.
175         * tree-ssa-operands.c (clobber_stats): Remove.
176         (create_vop_var): Take struct function argument.  Mark
177         virtual operand with VAR_DECL_IS_VIRTUAL_OPERAND.
178         (init_ssa_operands): Take struct function argument.
179         (fini_ssa_operands): Do not dump dead stats.
180         * tree-ssa-operands.h (init_ssa_operands): Take struct function
181         argument.
182         * cgraphunit.c (init_lowered_empty_function): Adjust.
183         * lto-streamer-in.c (input_cfg): Likewise.
184         * tree-inline.c (initialize_cfun): Likewise.
185         * tree-into-ssa.c (rewrite_into_ssa): Likewise.
186         * omp-low.c (expand_omp_taskreg): Likewise.  Avoid switching
187         cfun.
188         * gimple.c (is_gimple_reg): Optimize the SSA_NAME case,
189         virtual operands are not registers.
191 2012-05-22  Richard Guenther  <rguenther@suse.de>
193         * tree-cfg.c (verify_gimple_assign_unary): Fix typo in previous
194         commit.
196 2012-05-22  Richard Guenther  <rguenther@suse.de>
198         PR middle-end/53437
199         * tree-inline.c (setup_one_parameter): Create a dummy init
200         statement for unused parameters when not optimizing.
202 2012-05-22  Richard Guenther  <rguenther@suse.de>
204         * tree-flow.h (add_referenced_var_1): Declare.
205         (add_referenced_var): Define.
206         * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash
207         lookup.
208         (add_referenced_var): Rename to ...
209         (add_referenced_var_1): ... this.  Take struct function argument.
211 2012-05-22  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
213         PR target/53334
214         * config/arm/arm-protos.h (arm_validize_comparison): Declare.
215         * config/arm/arm.c (arm_validize_comparison): Define.
216         * config/arm/arm.md ("cbranchsi4"): Cleanup expansion and use
217         arm_validize_comparison.
218         ("cbranchdi4"): Likewise.
219         ("cstoredi4"): Likewise.
220         ("movsicc"): Likewise.
221         ("movsfcc"): Likewise.
222         ("movdfcc"): Likewise.
224 2012-05-22  Dimitrios Apostolou  <jimis@gmx.net>
226         * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
227         the mw_reg_pool size.
229 2012-05-22  Paolo Bonzini  <bonzini@gnu.org>
231         PR tree-optimization/53336
232         * tree-cfg.c (verify_gimple_assign_unary): Allow conversion from
233         non-integer integral types to offset type and vice versa.
235 2012-05-22  Alan Modra  <amodra@gmail.com>
237         * config/rs6000/aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
238         * config/rs6000/darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
239         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE,
240         V_SAVE_INLINE): Delete.
241         * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete.
242         (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic.
243         For ELF targets, use out-of-line restores for -Os and any number
244         of regs if the restore exits, and out-of-line gp save for two or
245         more regs.  Use save_reg_p to test for holes in reg restore set.
246         Replace "#if" with "if".
248 2012-05-22  Alan Modra  <amodra@gmail.com>
250         * config/rs6000/rs6000.c (save_reg_p): New function.
251         (first_reg_to_save, first_fp_reg_to_save): Use it here.
252         (first_altivec_reg_to_save, restore_saved_cr): Likewise.
253         (emit_frame_save): Use gen_frame_store.
254         (gen_frame_mem_offset): Correct SPE condition requiring reg+reg.
255         (rs6000_emit_prologue): Use save_reg_p.  Use gen_frame_store for
256         vrsave and toc.
257         (rs6000_emit_epilogue): Use save_reg_p.  Use gen_frame_load for
258         vrsave, toc, gp and fp restores.
260 2012-05-22  Alan Modra  <amodra@gmail.com>
262         * config/rs6000/rs6000.c: Delete unnecessary forward declarations.
263         Move those with ATTRIBUTE_UNUSED to immediately before definitions.
264         Move function pointer variables after forward declarations.
265         (rs6000_builtin_support_vector_misalignment): Make static.
266         (rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
267         (rs6000_function_value, rs6000_can_eliminate): Likewise.
269 2012-05-21  Bernd Schmidt  <bernds@codesourcery.com>
271         PR rtl-optimization/53373
272         * caller-save.c (save_call_clobbered_regs): Look into a possible
273         PARALLEL manually rather than using single_set on a call insn.
275 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
277         PR tree-optimization/53436
278         * omp-low.c (omp_build_component_ref): New function.
279         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
281 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
283         * config/i386/i386.c (put_condition_code): Change "reverse" and "fp"
284         arguments to bool.
285         (ix86_print_operand) <case 'O'>: Look at mode size of the operand.
286         Do not print '.' here.  Output operand lossage error for unhandled
287         sizes.  Move.
288         <case '*'>: Move.
289         <case '&'>: Ditto.
290         <case 'Y'>: Ditto.
291         <case 'z'>: Hardcode "code" argument into error strings.
292         <case 'Z'>: Ditto.
293         <case 'D'>: Merge AVX and non-AVX codes.
294         <case 'C', case 'c', case 'F', case 'f'>: Merge.  Fix error string.
295         Update call to put_condition_code.
297 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
299         * config/m68k/m68k.md (*clzsi2_cf): Renamed from clzsi2.  Call
300         CC_STATUS_INIT.
301         (clzsi2): New expander.
302         (*clzsi2_68k): New insn.
303         * config/m68k/m68k.h: Update comment about CLZ_DEFINED_VALUE_AT_ZERO.
305 2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
307         * gimple.h (gimple_set_in_transaction): Remove.
308         (gimple_in_transaction): Look in BB instead.
309         (gimple_statement_base): Remove in_transaction field.
310         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
311         * trans-mem.c (compute_transaction_bits): Place transaction bit
312         information into basic blocks.
314 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
316         * expr.c (get_def_for_expr_class): Define only if
317         HAVE_conditional_move.
318         (convert_tree_comp_to_rtx): Likewise.
320 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
322         PR target/53399
323         * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
324         for TARGET_BMI.
325         (ffssi2_no_cmove): Ditto.
326         (*ffs<mode>_1): Remove insn pattern.
327         (*tzcnt<mode>_1): New insn pattern.
328         (*bsf<mode>1): Ditto.
330 2012-05-21  Richard Guenther  <rguenther@suse.de>
332         * tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
333         more referenced vars.
334         * tree-ssa-live.c (mark_all_vars_used_1): Only set the used
335         flag on variables that have a var-annotation.
337 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
339         PR c/53418
340         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
341         from folded operands before wrapping another around the
342         conditional expression.
344 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
346         PR tree-optimization/53366
347         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
348         tests if complex_numbers == 2, but there are non-complex number loads
349         too.
351         PR tree-optimization/53409
352         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
353         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
355         PR tree-optimization/53410
356         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
357         instead of build_int_cst (type, 0) where vector types might be
358         involved. Instead of build_int_cst (type, 1) convert the original
359         integer_onep argument to the desired type.
361 2012-05-21  Michael Matz  <matz@suse.de>
363         * genattrtab.c (attr_rtx_cost): Move earlier, start with cost being 1.
364         (simplify_test_exp): Handle one more case of distributive law,
365         decrease cost threshold.
366         (tests_attr_p, get_attr_order): New functions.
367         (optimize_attrs): Use topological order, inline only cheap values.
368         (write_attr_set): Reset our_known_true after some time.
370 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
372         PR target/53425
373         * config/i386/i386.c (type_natural_mode): Warn passing SSE
374         vector argument without SSE enabled changes the ABI.
376 2012-05-21  Richard Guenther  <rguenther@suse.de>
378         PR tree-optimization/53408
379         * tree-vect-loop.c (vectorizable_induction): Properly check
380         the restriction that we cannot handle induction results from
381         the inner loop outside of the outer loop.
383 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
385         PR target/53416
386         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
387         (UNSPECV_RDRAND): This.
388         (rdrand<mode>_1): Updated.
390 2012-05-21  Richard Guenther  <rguenther@suse.de>
392         * tree-loop-distribution.c (can_generate_builtin): Reject
393         volatile stmts.
395 2012-05-21  Chung-Lin Tang  <cltang@codesourcery.com>
397         * Makefile.in (options.c): Add options.h to included header
398         files, before tm.h.
400 2012-05-21  Razya Ladelsky  <razya@il.ibm.com>
402         * tree-parloops.c : Add myself to contributors, update
403         TODO list, add link to wiki.
405 2012-05-21  Alan Modra  <amodra@gmail.com>
407         * config/rs6000/predicates.md (input_operand): Don't match
408         constant pool addresses.  Remove label_ref, high and plus from
409         match_code list.  Remove redundant CONSTANT_P test.
410         (splat_input_operand): Similarly update match_code list.
411         (small_toc_ref): New predicate.
412         * config/rs6000/rs6000-protos.h (toc_relative_expr_p): Update prototype.
413         * config/rs6000/rs6000.c (tocrel_base, tocrel_offset): Make const.
414         (legitimate_constant_pool_address_p): Move TARGET_TOC test and
415         register checks to..
416         (toc_relative_expr_p): ..here.  Add "strict" param.  Match new rtl
417         generated by create_TOC_reference.
418         (rs6000_legitimize_address): Update cerate_TOC_reference call.
419         (rs6000_delegitimize_address): Handle new rtl for toc refs.
420         (rs6000_cannot_force_const_mem, rs6000_find_base_term): Likewise.
421         (use_toc_relative_ref): New function, split out from..
422         (rs6000_emit_move): ..here.  Remove redundant tests.  Update
423         create_TOC_reference calls.
424         (rs6000_legitimize_reload_address): Formatting.  Handle splitting
425         of medium/large model toc addresses.  Use use_toc_relative_ref.
426         (print_operand): Formatting, style.  Adjust for toc changes.
427         (print_operand_address): Likewise.
428         (rs6000_output_addr_const_extra): Likewise.
429         (create_TOC_reference): Put TOC_REGISTER in UNSPEC_TOCREL rather
430         than a PLUS.  Use this formulation for both high and low part
431         of -mcmodel=medium/large toc reference too.  Before reload,
432         always use the small model formulation.
433         * config/rs6000/rs6000.md (tls_gd, tls_gd_high): Similarly avoid
434         a PLUS in high part of addresses here.
435         (tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
436         (tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
437         (largetoc_high, largetoc_low): Move earlier.  Cope when no
438         base reg available.
439         (largetoc_high_plus): New insn.
440         (movsi_internal1, movsi_internal1_single, movsf_softfloat,
441         movdi_mfpgpr, movdi_internal64): Don't handle 'R' constraint here..
442         (tocref): ..instead do so here, new insn and split.
444 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
446         * config/i386/driver-i386.c (host_detect_local_cpu): Support
447         RDRND, F16C and FSGSBASE.
449 2012-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
451         PR rtl-optimzation/53373
452         * config/pa/pa.md (call_symref_pic): Don't expose PIC register save in
453         call pattern.  Update split patterns.
454         (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
455         call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
457 2012-05-20  Razya Ladelsky  <razya@il.ibm.com>
459         * tree-parloops.c (gen_parallel_loop): Change many_iterations_cond
460         for outer loops.
462 2012-05-18  Jan Hubicka  <jh@suse.cz>
464         * cgraphunit.c (handle_alias_pairs): Declare; free alias_pairs
465         (cgraph_process_new_functions): Process also aliases.
466         * lto-streamer-out.c (struct sets): Remove.
467         (trivally_defined_alias): Remove.
468         (output_alias_pair_p): Remove.
469         (output_unreferenced_globals): Remove.
470         (produce_symtab); Do not handle alias pairs.
471         (produce_asm_for_decls): Likewise.
472         * lto-streamer-in.c (input_alias_pairs): Remove.
473         (lto_read_body): Do not input alias pairs.
474         (lto_input_constructors_and_inits): Remove.
476 2012-05-18  Jan Hubicka  <jh@suse.cz>
478         * cgraphunit.c (handle_alias_pairs): Cleanup; handle all types of
479         aliases.
481 2012-05-18  Jan Hubicka  <jh@suse.cz>
483         * cgraphbuild.c (record_reference): Update.
484         * lto-cgraph.c (lto_output_varpool_node): External vars
485         are not in other partition even if they are not output
486         in current partition.
487         * gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
488         argument; fix.
489         (canonicalize_constructor_val): Take FROM_DECL argument.
490         (fold_ctor_reference, fold_string_cst_ctor_reference,
491         fold_array_ctor_reference, fold_nonarray_ctor_reference,
492         fold_ctor_reference): Likewise.
493         (fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
494         * gimple.h (gimple_fold_builtin): Likewise.
496 2012-05-18  Olivier Hainque  <hainque@adacore.com>
498         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
499         $(libsubdir) as libexecsubdir.
501 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
503         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
504         relied on signed overflow behavior.
506 2012-05-18  Richard Guenther  <rguenther@suse.de>
508         PR tree-optimization/53346
509         * tree-loop-distribution.c (ldist_gen): Make sure to apply
510         builtin transform even when only a single partition with
511         all reads/writes exists.
513 2012-05-18  Richard Guenther  <rguenther@suse.de>
515         PR tree-optimization/53390
516         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
517         strided loads.
519 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
521         * tree-ssa-reassoc.c (bip_map): Remove decl.
522         (completely_remove_stmt): Remove function.
523         (remove_def_if_absorbed_call): Remove function.
524         (remove_visited_stmt_chain): Remove __builtin_powi handling.
525         (possibly_move_powi): Remove function.
526         (rewrite_expr_tree): Remove calls to possibly_move_powi.
527         (rewrite_expr_tree_parallel): Likewise.
528         (attempt_builtin_powi): Build multiplies explicitly rather than
529         relying on the ops vector and rank system.
530         (transform_stmt_to_copy): New function.
531         (transform_stmt_to_multiply): Likewise.
532         (reassociate_bb): Handle leftover operations after __builtin_powi
533         optimization; build a final multiply if necessary.
535 2012-05-18  Jan Hubicka  <jh@suse.cz>
537         * cgraphunit.c (varpool_finalize_decl): Allow external decls.
538         (mark_functions_to_output): Fix sanity check.
539         * ipa.c (function_and_variable_visibility): Remove TREE_STATIC check.
541 2012-05-18  Richard Guenther  <rguenther@suse.de>
543         * tree-flow.h (mark_symbols_for_renaming): Remove.
544         * tree-dfa.c (mark_symbols_for_renaming): Likewise.
545         * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming.
546         (copy_debug_stmt): Likewise.
547         (expand_call_inline): Likewise.
548         (declare_return_variable): Mark the return variable for renaming
549         if necessary.
551 2012-05-18  Andrew Stubbs  <ams@codesourcery.com>
553         * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
554         prototype.
555         * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
556         * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
557         (ashrdi3,lshrdi3): Likewise.
558         (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
560 2012-05-18  Meador Inge  <meadori@codesourcery.com>
562         PR rtl-optimization/53352
563         * cse.c (equiv_constant): Ignore paradoxical subregs.
565 2012-05-17  Steven Bosscher  <steven@gcc.gnu.org>
567         PR rtl-optimization/53125
568         * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
569         argument.  Simplify calculation of REG_LIVE_LENGTH for regnos that
570         die in the basic block.  Correctly top off REG_FREQ and
571         REG_FREQ_CALLS_CROSSED.
572         Remove do_not_gen.
573         (regstat_compute_ri): Allocate and free local_live_last_luid.
574         Remove do_not_gen.
575         (regstat_bb_compute_calls_crossed): Correctly top off
576         REG_FREQ_CALLS_CROSSED.
578 2012-05-17  Jan Hubicka  <jh@suse.cz>
580         * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with
581         constructor over decl without.
582         * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
583         * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
584         * cgraphunit.c (process_function_and_variable_attributes): Finalize
585         extrnal decls.
586         (mark_functions_to_output): Also accept bodies for functions with
587         clones.
588         (output_in_order): Skip external vars.
589         * lto-cgraph.c (lto_output_node): External functions are never in other
590         partition.
591         (lto_output_varpool_node): Likewise.
592         * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
593         forgotten initializers.
594         * ipa.c (process_references): Handle external vars.
595         (symtab_remove_unreachable_nodes): Update to handle external vars.
596         (varpool_externally_visible_p): External vars are externally visible.
597         * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
598         * varpool.c (varpool_remove_node): Remove constructor.
599         (decide_is_variable_needed): Handle externals.
600         (varpool_remove_unreferenced_decls): Likewise.
602 2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
604         * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
605         (enable_warning_as_error): Do not special case Wuninitialized.
606         * optc-gen.awk: Add sanity checks.
608 2012-05-17  Jan Hubicka   <jh@suse.cz>
610         * ipa-reference.c (is_proper_for_analysis): Do not check flags
611         that might change as result of global optimization.
612         (analyze_function): Do not check analyzed and externally_visible
613         flags; be happy about address dereferences.
614         (propagate): Prune all_module_statics so it really contains just
615         statics; prune all the local summaries.
616         (ipa_reference_write_optimization_summary): Simplify.
618 2012-05-17  Kwok Cheung Yeung  <kcy@codesourcery.com>
620         * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm, 51qm.
621         * config/m68k/m68k-tables.opt: Regenerated.
622         * doc/invoke.texi (M680x0 Options): Document.
624 2012-05-16  Dave Boutcher  <daveboutcher@gmail.com>
625             Patrick Marlier  <patrick.marlier@gmail.com>
627         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
628         indirect calls.
630 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
632         * configure: Regenerated.
634 2012-05-16  Andrew Pinski  <apinski@cavium.com>
636         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
637         GIMPLE_ASSIGN.
639 2012-05-16  David S. Miller  <davem@davemloft.net>
641         * jump.c (delete_related_insns): If we remove a CALL, make sure
642         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
644 2012-05-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
646         PR tree-optimization/53217
647         * tree-ssa-reassoc.c (bip_map): New static variable.
648         (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
649         (attempt_builtin_powi): Save feeding multiplies on a stack.
650         (reassociate_bb): Create and destroy bip_map.
652 2012-05-16  Olivier Hainque  <hainque@adacore.com>
654         * Makefile.in (install-no-fixedincludes): New target, former toplevel
655         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
656         Add comments and improve stamp preservation across the whole sequence.
657         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
659 2012-05-16  Richard Guenther  <rguenther@suse.de>
661         * tree-inline.c (insert_init_stmt): Do not call
662         mark_symbols_for_renaming.
663         (setup_one_parameter): Avoid initializing unused parameters.
664         (declare_return_variable): Properly handle DECL_BY_REFERENCE
665         return vars in SSA form.
667 2012-05-16  Richard Guenther  <rguenther@suse.de>
669         * tree-flow.h (get_virtual_var): Remove.
670         * tree-dfa.c (get_virtual_var): Likewise.
672 2012-05-16  Richard Guenther  <rguenther@suse.de>
674         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
675         Remove set-only bitmap of new names.
676         (slpeel_tree_peel_loop_to_edge): Likewise.  Do not set
677         CFG hooks.
678         * tree-flow.h (ssa_names_to_replace): Remove.
679         * tree-into-ssa.c (ssa_names_to_replace): Likewise.
681 2012-05-16  Richard Guenther  <rguenther@suse.de>
683         PR tree-optimization/53364
684         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
685         detect a view-conversion of the decl.
687 2012-05-16  Dodji Seketeli  <dodji@redhat.com>
689         PR preprocessor/7263
690         * c-tree.h (enum c_declspec_word): Declare new enum.
691         (struct c_declspecs::locations): New member.
692         (declspecs_add_qual, declspecs_add_scspec)
693         (declspecs_add_addrspace, declspecs_add_alignas): Take a new
694         location parameter.
695         * c-decl.c (build_null_declspecs): Initialize the new struct
696         c_declspecs::locations member.
697         (declspecs_add_addrspace): Take a location parameter for the
698         address space.  Store it onto declaration specifiers.
699         (declspecs_add_qual): Likewise, take a location parameter for the
700         qualifier.
701         (declspecs_add_type): Likewise, take a location parameter for the
702         type specifier.
703         (declspecs_add_scspec): Likewise, take a location parameter for
704         the storage class specifier.
705         (declspecs_add_attrs): Likewise, take a location parameter for the
706         first attribute.
707         (declspecs_add_alignas): Likewise, take a location parameter for
708         the alignas token.
709         (finish_declspecs): For diagnostics, use the location of the
710         relevant declspec, instead of the global input_location.
711         * c-parser.c (c_parser_parameter_declaration): Pass the precise
712         virtual location of the declspec to the declspecs-setters.
713         (c_parser_declspecs): Likewise.  Avoid calling c_parser_peek_token
714         repeatedly.
716 2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
718         * configure.ac: Stack protector enabling for Android targets.
719         * configure: Regenerate.
721 2012-05-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
723         * ira.c (pseudo_move_insn): Delete.
724         (find_moveable_pseudos): Don't set it.
725         (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
726         the definitions of the original pseudo.  Delete all of them.
728 2012-05-16  Olivier Hainque  <hainque@adacore.com>
730         * config/rs6000/rs6000-opts.h (enum processor_type): Add
731         PROCESSOR_PPC8548.
732         * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
733         * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
734         * config/rs6000/8540.md: indicate that the units/patterns apply to
735         ppc8548 as well.
737         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
738         default_cpu into implicit_cpu, conveying what --with-cpu was passed at
739         configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
740         related flags,  check that what is queried is supported by the selected
741         configuration. Rework the single/double_float and MASK_STRING resets to
742         hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
743         costs for PROCESSOR_PPC8548 as well.
744         (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
745         (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
746         statement instead of a sequence of ifs.
748         * config/rs6000/rs6000.h (TARGET_E500): Remove.
749         (TARGET_NO_LWSYNC): Adjust accordingly.
750         * config/rs6000/e500.h (TARGET_E500): Remove.
751         (CHECK_E500_OPTIONS): Adjust accordingly.
752         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
753         (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
754         * config/rs6000/linuxspe.h: Likewise.
755         * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
756         superfluous comments.
757         * config/rs6000/e500-double.h: Remove.
759         * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
760         default to with_cpu=8548 if --enable-e500-double, and to 8540
761         otherwise.
762         (set misc flags section): For powerpc*|rs6000*, remove inclusion
763         of e500-double.h for --enable-e500-double.
765 2012-05-16  Olivier Hainque  <hainque@adacore.com>
767         * Makefile.in (s-header-vars): Resort to -n instead of trailing
768         -e d in sed invocation.
770 2012-05-16  Hans-Peter Nilsson  <hp@axis.com>
772         * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
773         source-code.
774         * doc/tm.texi: Regenerate.
776 2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
778         * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
780 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
782         PR target/53358
783         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
784         that operands[2] is either immediate, or q_regs_operand.
786 2012-05-15  Richard Guenther  <rguenther@suse.de>
788         * cgraphunit.c (thunk_adjust): Use make_rename_temp.
789         (assemble_thunk): Likewise.  Manually rename and register
790         function arguments.
792 2012-05-15  Richard Guenther  <rguenther@suse.de>
794         PR tree-optimization/53355
795         * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
796         by constants.
798 2012-05-15  Tristan Gingold  <gingold@adacore.com>
800         * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
802 2012-05-15  Richard Guenther  <rguenther@suse.de>
804         * gimple.c (gimple_set_modified): Move ...
805         * gimple.h (gimple_set_modified): ... here.
807 2012-05-15  Tristan Gingold  <gingold@adacore.com>
809         * ira-color.c (move_spill_restore): Add a guard.
811 2012-05-15  Tristan Gingold  <gingold@adacore.com>
813         * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
814         plus_constant.
816 2012-05-15  Eric Botcazou  <ebotcazou@adacore.com>
818         * gimplify.c (gimplify_init_constructor): Do a block move for very
819         small objects as well.
821 2012-05-15  Bernd Schmidt  <bernds@codesourcery.com>
823         * ira.c (find_moveable_pseudos): Skip registers whose
824         DF_REG_EQ_USE_COUNT is nonzero.
826 2012-05-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
828         * doc/md.texi (fma): Define to only be applicable for single rounding.
830 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
832         PR target/46098
833         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
834         generate target register for "load" class builtins.
836         Revert:
837         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
839         PR target/46098
840         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
841         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
842         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
843         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
844         (<sse>_movu<ssemodesuffix>): New expander.
845         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
846         (avx_movdqu<avxmodesuffix>): New expander.
847         (*sse2_movdqu): Rename from sse2_movdqu.
848         (sse2_movdqu): New expander.
850 2012-05-14  Marc Glisse  <marc.glisse@inria.fr>
852         PR target/52607
853         * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
854         (canonicalize_perm): ... new function.
855         (expand_vec_perm_2vperm2f128_vshuf): New function.
856         (ix86_expand_vec_perm_const_1): Call it.
858 2012-05-14  Andrew Pinski  <apinski@cavium.com>
859             H.J. Lu  <hongjiu.lu@intel.com>
860             Jakub Jelinek  <jakub@redhat.com>
862         PR target/53315
863         * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
864         (xbegin): Updated.
866 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
868         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
869         lineno 1 the same as lineno 0 before first start file directive.
870         (optimize_macinfo_range): Likewise.
872         * dwarf2out.c (have_macinfo): Define.
873         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
874         attribute, don't force empty compilation unit and don't emit any
875         .debug_macinfo/.debug_macro section if macinfo_table is empty.
877 2012-05-14  Georg-Johann Lay  <avr@gjlay.de>
879         PR target/53344
880         * config/avr/avr.c (avr_const_address_lo16): Remove.
881         (avr_assemble_integer):  Print ".byte lo8(x)",
882         ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
883         .warning if 3-byte address is assembled.
884         * doc/extend.texi (AVR Named Address Spaces): Document that
885         binutils 2.23 is needed to assemble 3-byte addresses.
887 2012-05-14  Richard Guenther  <rguenther@suse.de>
889         * tree-vect-data-refs.c (vect_setup_realignment): Remove
890         call to mark_symbols_for_renaming.
891         (vect_permute_load_chain): Likewise.
892         * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
893         instead of calling mark_symbols_for_renaming.
894         * tree-vect-stmts.c (read_vector_array): Remove call to
895         mark_symbols_for_renaming.
896         (write_vector_array): Likewise.
897         (vectorizable_call): Likewise.
898         (vectorizable_store): Likewise.
899         (vectorizable_load): Likewise.
900         * matrix-reorg.c (transform_allocation_sites): Likewise.
901         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
902         (create_expression_by_pieces): Likewise.
904 2012-05-14  Richard Guenther  <rguenther@suse.de>
906         * gimplify.c (gimple_regimplify_operands): Only mark the LHS
907         of statements for renaming.
908         (force_gimple_operand_1): Likewise, consistently for both
909         calls to force_gimple_operand and force_gimple_operand_gsi.
911 2012-05-14  Richard Guenther  <rguenther@suse.de>
913         * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
914         * omp-low.c (expand_omp_taskreg): Properly conditionalize call
915         to update_ssa.
916         (expand_omp_for): Likewise.
917         (expand_omp_for_generic): Adjust conditional add to referenced vars.
918         Use make_rename_temp for temporaries that should be rewritten into
919         SSA form.
920         (expand_omp_for_static_nochunk): Likewise.
921         (expand_omp_atomic_pipeline): Likewise.
923 2012-05-14  Richard Guenther  <rguenther@suse.de>
925         PR tree-optimization/53331
926         * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
927         strided loads.
928         * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
930 2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
932         PR 53063
933         * doc/options.texi: (LangEnabledBy): Document it.
934         * optc-gen.awk: Handle LangEnabledBy.
935         * opth-gen.awk: Generate declaration for lang-specific functions.
936         * opt-read.awk: Record lang numbers.
937         * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
938         (lang_sanitized_name): New.
940 2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>
942         * attribs.c (decl_attributes): Avoid emitting a warning if
943         ATTR_FLAG_BUILT_IN.
944         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
945         codes.  Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
946         * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define.  Use it to
947         define a string "1".
948         (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
949         * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
950         BUILT_IN_STRCPY): Use it for these functions.
951         * postreload.c (reload_combine): Deal with SETs inside
952         CALL_INSN_FUNCTION_USAGE.
953         * caller-save.c (setup_save_areas, save_call_clobbered_regs):
954         Look for REG_RETURNED notes and use a cheap restore if possible.
955         * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
956         (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
957         * ira-build.c (ira_create_allocno, create_cap_allocno,
958         propagate_allocno_info, propagate_some_info_from_allocno,
959         copy_info_to_removed_store_destination, ira_flattening): Handle it.
960         * ira-lives.c (pseudo_regno_single_word_and_live_p,
961         find_call_crossed_cheap_reg): New static functions.
962         (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
963         and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible.  Also make
964         a REG_RETURNED note in that case.
965         * ira.c (setup_reg_renumber): Change assert to allow cases where
966         allocnos only cross calls for which they are cheap to restore.
967         * ira-costs.c (ira_tune_allocno_costs): Compare
968         ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
969         than 0.
970         * reg-notes.def (REG_RETURNED): New note.
971         * cse.c (cse_insn): Likewise.
972         * sched-deps.c (sched_analyze_insn): Likewise.
973         * expr.c (init_block_move_fn): Set a "fn spec" attribute.
974         * calls.c (decl_return_flags): New static function.
975         (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
976         functions that return one of their arguments.
977         * regcprop.c (struct kill_set_value_data): New.
978         (kill_set_value): Interpret data as a pointer to such a struct.
979         Do nothing if the caller wants the register to be ignored.
980         (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
982 2012-05-14  Richard Guenther  <rguenther@suse.de>
984         PR tree-optimization/53340
985         * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
987 2012-05-14  Richard Guenther  <rguenther@suse.de>
989         * gimplify.c (gimplify_expr): Remove odd code.
991 2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
993         * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
994         into a PLUS_EXPR byte offset.
996         * tree-ssa-pre.c (can_value_number_call): Delete.
997         (compute_avail): Skip all statements with side effects.
998         <GIMPLE_CALL>: Skip calls to internal functions.
1000 2012-05-13  Steven Bosscher  <steven@gcc.gnu.org>
1002         * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
1004 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1006         * common.opt (Wtype-limits): Use EnabledBy.
1008 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1010         * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
1011         (pushtf splitter): Ditto.
1012         (movtf): Ditto.
1013         (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
1014         (<code>tf2): Enable for TARGET_SSE.
1015         (*absnegtf2_sse): Ditto.
1016         (copysign<mode>3): Enable TFmode for TARGET_SSE.
1017         (copysign<mode>3_const): Ditto.
1018         (copysign<mode>3_var): Ditto.
1019         * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
1020         (*andnottf3): Ditto.  Use V4SFmode for !TARGET_SSE2.
1021         (*<code>tf3): Ditto.
1022         * config/i386/i386.c (struct builtin_description bdesc_args)
1023         <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
1024         <IX86_BUILTIN_COPYSIGNQ>: Ditto.
1025         (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
1026         Emit a normal call if SSE isn't available.
1028 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1030         * config/i386/sse.md (<sse>_andnot<mode>3): Handle
1031         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1032         (<code><mode>3): Ditto.
1033         (*andnot<mode>3): Ditto.
1034         (*andnottf3): Ditto.
1035         (*<code><mode>3): Ditto.
1036         (<code>tf3): Ditto.
1038 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1040         * optc-gen.awk: Error instead of warning for conflicting help.
1042 2012-05-12  Jason Merrill  <jason@redhat.com>
1044         PR debug/53235
1045         * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
1046         comdat types.
1048 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1050         * function.c (requires_stack_frame_p): If the function can throw
1051         non-call exceptions, return true if the insn can throw internally.
1053 2012-05-12  Paolo Carlini  <paolo.carlini@oracle.com>
1055         * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
1057 2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1059         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1060         ORDERED and UNORDERED conditions.
1062 2012-05-11  Richard Guenther  <rguenther@suse.de>
1064         * tree-flow.h (referenced_var_check_and_insert): Remove.
1065         (find_new_referenced_vars): Likewise.
1066         * tree-dfa.c (referenced_var_check_and_insert): Make static.
1067         (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
1068         * tree-inline.c (copy_bb): Use find_referenced_vars_in
1069         instead of find_new_referenced_vars.
1070         * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
1072 2012-05-11  Richard Guenther  <rguenther@suse.de>
1074         * tree-pass.h (pass_rest_of_compilation,
1075         pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
1076         Remove.
1077         * passes.c (pass_all_optimizations, pass_postreload,
1078         pass_all_early_optimizations): Make static.
1079         (pass_rest_of_compilation): Likewise.  Make it an RTL_PASS.
1080         * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
1081         * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
1082         (delete_tree_ssa): Do not call fini_phinodes.
1083         * tree-flow.h (init_phinodes, fini_phinodes): Remove.
1085 2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1087         PR 53063
1088         * doc/options.texi (EnabledBy): Document
1089         * opts.c: Include opts.h and options.h before tm.h.
1090         (finish_options): Do not handle some sub-options here...
1091         (common_handle_option): ... instead call common_handle_option_auto here.
1092         * optc-gen.awk: Handle EnabledBy.
1093         * opth-gen.awk: Declare common_handle_option_auto.
1094         * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
1095         (Wmaybe-uninitialized): Likewise.
1096         (Wunused-but-set-variable): Likewise.
1097         (Wunused-function): Likewise.
1098         (Wunused-label): Likewise.
1099         (Wunused-value): Likewise.
1100         (Wunused-variable): Likewise.
1101         * opt-read.awk: Create opt_numbers array.
1103 2012-05-11  Richard Guenther  <rguenther@suse.de>
1105         PR tree-optimization/53295
1106         * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
1107         strides.
1108         * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
1109         strides when analyzing data-references in a loop context.
1110         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
1111         non-constant strides for now.
1112         (vect_enhance_data_refs_alignment): Ignore data references
1113         that are strided loads.
1114         (vect_analyze_data_ref_access): Handle non-constant strides.
1115         (vect_check_strided_load): Verify the data-reference is a load.
1116         (vect_analyze_data_refs): Restructure to make strided load
1117         support not dependent on gather support.
1118         * tree-vect-stmts.c (vectorizable_load): Avoid useless work
1119         when doing strided or gather loads.
1120         * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
1121         integer_zerop to compare stride with zero.
1123 2012-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1125         * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
1127 2012-05-11  Jan Hubicka  <jh@suse.cz>
1129         PR bootstrap/53300
1130         * varpool.c (varpool_assemble_decl): Also output constat pool entries
1131         that output_constant_pool missed.
1133 2012-05-11  Mingjie Xing  <mingjie.xing@gmail.com>
1135         * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
1136         MULTILIB_EXTRA_OPTS.
1138 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
1140         PR target/53291
1141         * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
1143 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
1145         * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
1146         optimization for TARGET_AVX.
1147         (*movti_internal_sse): Ditto.
1148         (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1149         (*movdi_internal): Ditto.
1150         (*movsi_internal): Ditto.
1151         (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
1152         (*movdf_internal_rex64): Ditto.
1153         (*movfd_internal): Ditto.
1154         (*movsf_internal): Ditto.
1155         * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
1157 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1159         * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
1160         reference as size attribute.
1162 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1163             Tristan Gingold  <gingold@adacore.com>
1165         * doc/md.texi (Standard Names): Document probe_stack_address.
1166         * explow.c (emit_stack_probe): Handle probe_stack_address.
1167         * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
1168         (UNSPECV_PROBE_STACK_RANGE): Likewise.
1169         (probe_stack_address): New insn.
1170         (probe_stack_range): Likewise.
1171         * config/ia64/ia64.c: Include common/common-target.h.
1172         (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
1173         checking is enabled.
1174         (ia64_emit_probe_stack_range): New function.
1175         (output_probe_stack_range): Likewise.
1176         (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
1177         builtin stack checking is enabled.
1178         (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
1179         and UNSPECV_PROBE_STACK_ADDRESS.
1180         (unknown_for_bundling_p): New predicate.
1181         (group_barrier_needed): Use important_for_bundling_p.
1182         (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
1183         (issue_nops_and_insn): Likewise.
1184         (bundling): Likewise.
1185         (final_emit_insn_group_barriers): Likewise.
1186         * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
1187         * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
1188         (STACK_CHECK_PROTECT): Likewise.
1189         * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
1191 2012-05-10  Jan Hubicka  <jh@suse.cz>
1193         * ipa-inline.c (update_all_callee_keys): Remove.
1194         (inline_small_functions): Simplify priority updating.
1196 2012-05-10  Jan Hubicka  <jh@suse.cz>
1198         * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
1200 2012-05-10  Jan Hubicka  <jh@suse.cz>
1202         * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
1203         (symtab_remove_unreachable_nodes): ... this one.
1204         * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
1205         * cgraphunit.c (ipa_passes): Update.
1206         * cgraphclones.c (cgraph_materialize_all_clones): Update.
1207         * cgraph.c (cgraph_release_function_body): Only turn initial
1208         into error mark when initial was previously set.
1209         * ipa-inline.c (ipa_inline): Update.
1210         * ipa.c: Include ipa-inline.h
1211         (enqueue_cgraph_node, enqueue_varpool_node): Remove.
1212         (enqueue_node): New function.
1213         (process_references): Update.
1214         (symtab_remove_unreachable_nodes): Cleanup.
1215         * passes.c (execute_todo, execute_one_pass): Update.
1217 2012-05-10  Vladimir Makarov  <vmakarov@redhat.com>
1219         PR rtl-optimization/53125
1220         * ira.c (ira): Call find_moveable_pseudos and
1221         move_unallocated_pseudos if only ira_conflicts_p is true.
1223 2012-05-10  Uros Bizjak  <ubizjak@gmail.com>
1225         * config/i386/i386.md (*movoi_internal_avx): Handle
1226         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
1227         (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1228         (*movti_internal_sse): Ditto.
1229         (*movtf_internal): Ditto.
1230         * config/i386/sse.md (ssePSmode): New mode attribute.
1231         (*move<mode>_internal): Use ssePSmode.
1232         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
1233         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
1234         * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
1235         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
1237 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1239         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1240         DECL_ORIGINAL_TYPE if it is present.
1242 2012-05-10  Nick Clifton  <nickc@redhat.com>
1244         PR target/53120
1245         * config/m32c/bitops.md (bset_qi): Change operand 2 from having
1246         a "0" constraint to being a (match_dup 0).
1248 2012-05-10  Richard Guenther  <rguenther@suse.de>
1250         * stor-layout.c (byte_from_pos): Amend comment.
1252 2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1254         * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
1255         Document requirement to call in constructors.
1257         * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
1259 2012-05-10  Richard Guenther  <rguenther@suse.de>
1261         * tree.h (TYPE_IS_SIZETYPE): Remove.
1262         * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
1263         (extract_muldiv_1): Likewise.
1264         * gimple.c (gtc_visit): Likewise.
1265         (gimple_types_compatible_p): Likewise.
1266         (iterative_hash_canonical_type): Likewise.
1267         (gimple_canonical_types_compatible_p): Likewise.
1268         * gimplify.c (gimplify_one_sizepos): Likewise.
1269         * print-tree.c (print_node): Likewise.
1270         * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
1272 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
1274         PR target/52908
1275         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1276         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1277         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1278         instead of xop_mulv2div2di3_low.
1279         (xop_p<macs>dql): Fix vec_select selector.
1280         (xop_p<macs>dqh): Ditto.
1281         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1282         (xop_mulv2div2di3_high): Ditto.
1284 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1286         PR c++/53289
1287         * diagnostic.h (diagnostic_context): Add last_location.
1288         * diagnostic.c (diagnostic_initialize): Initialize it.
1289         (diagnostic_show_locus): Use it.
1291 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1293         * doc/extend.texi (Function Attributes): Point xref to section
1294         about Pragmas.
1296 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
1298         * config/i386/i386.c (*movdf_internal_rex64): Remove
1299         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
1300         Calculate "mode" attribute according to
1301         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
1302         (*movdf_internal): Ditto.
1304 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
1306         PR target/44141
1307         * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
1308         128 bit vectors specially for TARGET_AVX.  Emit sse2_movupd and
1309         sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
1310         or when optimizing for size.
1311         * config/i386/sse.md (*mov<mode>_internal): Remove
1312         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
1313         Calculate "mode" attribute according to optimize_function_for_size_p
1314         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
1315         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
1316         depending on the mode of the instruction.  Calculate "mode" attribute
1317         according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
1318         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
1319         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
1321 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1323         PR target/53256
1324         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1325         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1326         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1327         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1328         (expand_prologue): Move initialization of cfun->machine->is_naked,
1329         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1330         (avr_set_current_function): ...this new static function.
1331         (TARGET_SET_CURRENT_FUNCTION): New define.
1332         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1333         checking attributes of current_function_decl.
1334         (avr_regs_to_save): Ditto.
1335         (signal_function_p): Rename to avr_signal_function_p.
1336         (interrupt_function_p): Rename to avr_interrupt_function_p.
1338         * doc/extend.texi (Function Attributes): Better explanation of
1339         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1340         alphabetical order.
1342 2012-05-09  Michael Matz  <matz@suse.de>
1344         PR tree-optimization/53185
1345         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
1346         peeling when we see strided loads.
1348 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1350         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1352 2012-05-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1354         * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
1355         Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
1356         USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
1357         * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
1358         (USE_LOAD_POST_INCREMENT): Define.
1359         (USE_LOAD_PRE_INCREMENT): Define.
1360         (USE_LOAD_POST_DECREMENT): Define.
1361         (USE_LOAD_PRE_DECREMENT): Define.
1362         (USE_STORE_PRE_DECREMENT): Define.
1363         (USE_STORE_PRE_INCREMENT): Define.
1364         (USE_STORE_POST_DECREMENT): Define.
1365         (USE_STORE_POST_INCREMENT): Define.
1366         (arm_auto_incmodes): Add enumeration.
1367         * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
1368         * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
1370 2012-05-09  Jakub Jelinek  <jakub@redhat.com>
1372         PR tree-optimization/53226
1373         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
1374         prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
1375         before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
1376         doesn't need to be revisited, look for earliest stmt with
1377         !gimple_plf (stmt, GF_PLF_1) if something changed.
1379 2012-05-09  Terry Guo  <terry.guo@arm.com>
1381         * genmultilib: Update copyright dates.
1382         * doc/fragments.texi: Ditto.
1384 2012-05-09  Terry Guo  <terry.guo@arm.com>
1386         * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
1387         * genmultilib (MULTILIB_REQUIRED): New.
1388         * doc/fragments.texi: Document the MULTILIB_REQUIRED.
1390 2012-05-09  Richard Guenther  <rguenther@suse.de>
1392         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
1393         (vect_do_peeling_for_loop_bound): Likewise.
1394         (vect_do_peeling_for_alignment): Likewise.
1395         * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
1396         (vect_do_peeling_for_loop_bound): Get check_profitability and
1397         threshold as parameters.
1398         (vect_do_peeling_for_alignment): Likewise.
1399         (vect_loop_versioning): Likewise.
1400         * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
1401         and threshold here.  Control where to put the check here.
1403 2012-05-09  Richard Sandiford  <rdsandiford@googlemail.com>
1405         PR middle-end/53249
1406         * dwarf2out.h (get_address_mode): Move declaration to...
1407         * rtl.h: ...here.
1408         * dwarf2out.c (get_address_mode): Move definition to...
1409         * rtlanal.c: ...here.
1410         * var-tracking.c (get_address_mode): Delete.
1411         * combine.c (find_split_point): Use get_address_mode instead of
1412         targetm.addr_space.address_mode.
1413         * cselib.c (cselib_record_sets): Likewise.
1414         * dse.c (canon_address, record_store): Likewise.
1415         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
1416         * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
1417         (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
1418         (expand_expr_real_1): Likewise.
1419         * ifcvt.c (noce_try_cmove_arith): Likewise.
1420         * optabs.c (maybe_legitimize_operand_same_code): Likewise.
1421         * reload.c (find_reloads): Likewise.
1422         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
1423         * sel-sched-dump.c (debug_mem_addr_value): Likewise.
1425 2012-05-09  Maciej W. Rozycki  <macro@codesourcery.com>
1427         * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
1428         information from the instruction produced.
1430 2012-05-09  Richard Guenther  <rguenther@suse.de>
1432         * stor-layout.c (bit_from_pos): Document.
1433         (byte_from_pos): Likewise.  Optimize.
1434         (pos_from_bit): Likewise.
1435         (normalize_offset): Use pos_from_bit instead of replicating it.
1437 2012-05-09  Alan Modra  <amodra@gmail.com>
1439         PR target/53271
1440         * config/rs6000/rs6000.c (gen_frame_set): New function.
1441         (gen_frame_load, gen_frame_store): New functions.
1442         (rs6000_savres_rtx): Use the above.
1443         (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
1444         Correct mode used for CR2 in save/restore_world patterns.
1445         Don't emit instructions for eh_return frame unwind reg info.
1447 2012-05-08  Jan Hubicka  <jh@suse.cz>
1449         * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
1450         with VALUE_EXPR.
1451         * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
1452         are removable.
1453         * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
1454         need to wrapup.
1455         (compile_file): Do not output variables.
1456         * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
1457         output it.
1458         * langhooks.c: Include timevar.h
1459         (write_global_declarations): Finalize compilation unit after wrapup;
1460         set timevars correctly.
1461         * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
1462         not to be added to varpool.
1463         * varpool.c (varpool_assemble_decl): Sanity check that we are called
1464         only on cases where it makes sense; skip constant pool and value expr
1465         vars.
1467 2012-05-08  David S. Miller  <davem@davemloft.net>
1469         * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
1470         * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
1471         * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
1473 2012-05-08  Richard Sandiford  <rdsandiford@googlemail.com>
1475         PR rtl-optimization/53278
1476         * lower-subreg.c (decompose_multiword_subregs): Remove left-over
1477         speed_p code from earlier patch.
1479 2012-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
1481         PR target/51244
1482         * config/sh/sh.md (*branch_true, *branch_false): New insns.
1484 2012-05-08  Teresa Johnson  <tejohnson@google.com>
1486         * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
1487         * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
1489 2012-05-08  Jan Hubicka  <jh@suse.cz>
1491         * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
1492         (cgraph_create_node_1): Rename to ...
1493         (cgraph_create_empty_node): ... this one; export.
1494         (cgraph_create_node): Update.
1495         (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
1496         (cgraph_create_edge_including_clones): Likewise.
1497         (cgraph_find_replacement_node): Likewise.
1498         (cgraph_clone_edge): Likewise.
1499         (cgraph_clone_node): Likewise.
1500         (clone_function_name): Likewise.
1501         (cgraph_create_virtual_clone): Likewise.
1502         (cgraph_remove_node_and_inline_clones): Likewise.
1503         (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
1504         * cgraph.h: Reorder declarations so they match file of origin.
1505         (cgraph_create_empty_node): Declare.
1506         * cgraphunit.c (update_call_expr): Move to cgraphclones.c
1507         (cgraph_copy_node_for_versioning): Likewise.
1508         (cgraph_function_versioning): Likewise.
1509         (cgraph_materialize_clone): Likewise.
1510         (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
1511         (cgraph_materialize_all_clones): Likewise.
1512         * cgraphclones.c: New file.
1513         * Makefile.in: Update for cgraphclones.
1515 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
1517         PR target/53176
1518         * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
1519         (ix86_rtx_costs): Handle SET.
1521 2012-05-08  Michael Matz  <matz@suse.de>
1523         * basic-block.h (struct rtl_bb_info): Remove visited member and
1524         move head_ member to ...
1525         (struct basic_block_def.basic_block_il_dependent): ... the new
1526         member x, replacing but containing old member rtl.
1527         (enum bb_flags): New BB_VISITED flag.
1528         (BB_HEADER, BB_FOOTER): New macros.
1530         * jump.c (mark_all_labels): Adjust.
1531         * cfgcleanup.c (try_optimize_cfg): Adjust.
1532         * cfglayout.c (record_effective_endpoints): Adjust.
1533         (relink_block_chain): Ditto (and don't fiddle with visited).
1534         (fixup_reorder_chain): Adjust.
1535         (fixup_fallthru_exit_predecessor): Ditto.
1536         (cfg_layout_duplicate_bb): Ditto.
1537         * combine.c (update_cfg_for_uncondjump): Adjust.
1538         * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
1539         (bb_visited_trace): New accessor.
1540         (mark_bb_visited): Move in front.
1541         (rotate_loop): Use bb_visited_trace.
1542         (find_traces_1_round): Ditto.
1543         (emit_barrier_after): Ditto.
1544         (copy_bb): Ditto, and initialize visited on resize.
1545         (reorder_basic_blocks): Initize visited member.
1546         (duplicate_computed_gotos): Clear bb flags at start, use
1547         BB_VISITED flags.
1549         * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
1550         (rtl_verify_flow_info_1): Ditto.
1551         (cfg_layout_split_block): Ditto.
1552         (cfg_layout_delete_block): Ditto.
1553         (cfg_layout_merge_blocks): Ditto.
1554         (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
1556 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1558         PR target/53272
1559         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1560         when a constant source operand matches an "I" constraint, the "no
1561         CC0 change" applies to a register-destination only, not a
1562         strict_low_part-destination.
1564 2012-05-08  Richard Guenther  <rguenther@suse.de>
1566         * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
1567         to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
1569 2012-05-08  Georg-Johann Lay  <avr@gjlay.de>
1571         * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
1573         * doc/avr-mmcu.texi: New auto-generated file.
1574         * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
1575         to document all valid -mmcu= arguments.
1577         * config/avr/avr.h (arch_info_s): New struct definition.
1578         * config/avr/avr-devices.c (avr_texinfo): New variable.
1579         * config/avr/gen-avr-mmcu-texi.c: New file.
1580         * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
1582 2012-05-08  Dehao Chen  <dehao@google.com>
1584         * predict.c (find_qualified_ssa_name): New.
1585         (find_ssa_name_in_expr): New.
1586         (find_ssa_name_in_assign_stmt): New.
1587         (is_comparison_with_loop_invariant_p): New.
1588         (is_bound_expr_similar): New.
1589         (predict_iv_comparison): New.
1590         (predict_loops): Add heuristic for loop-nested branches that compare an
1591         induction variable to a loop bound variable.
1592         * predict.def (PRED_LOOP_IV_COMPARE): New macro.
1594 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
1596         * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
1597         TARGET_BDVER2 defines where appropriate.
1599 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
1601         * configure.ac (PLUGIN_LD): Rename into...
1602         (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
1603         * config.in: Regenerate.
1604         * configure: Likewise.
1605         * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
1607 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
1609         * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
1610         computation using the precision of the index type.
1611         * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
1612         (fold_array_ctor_reference): Do index computations in the index type.
1614 2012-05-07  Georg-Johann Lay  <avr@gjlay.de>
1616         * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
1617         down to plus_constant.
1618         (expand_epilogue): Ditto.
1620 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1622         * postreload.c (reload_cse_regs): Make static.
1623         * reload.h (reload_cse_regs): Remove prototype.
1625 2012-05-07  Richard Henderson  <rth@redhat.com>
1627         * config/alpha/alpha.md (clear_cache): New pattern.
1629 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1631         PR middle-end/53245
1632         * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
1633         is folded to a type boundary value, verify that the resulting case
1634         label is still a care range.
1636 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
1638         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
1639         only for TARGET_GENERIC, when not optimizing for size.
1640         (*ffs<mode>_1): Ditto.
1642 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1644         * tree-cfg.c (verify_gimple_switch): Tighten checks.
1646 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1648         PR tree-optimization/53239
1649         * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
1650         of DECL_BY_REFERENCE RESULT_DECL to nonnull.
1652 2012-05-07  Richard Guenther  <rguenther@suse.de>
1654         PR tree-optimization/53195
1655         * tree-inline.c (setup_one_parameter): Properly add referenced
1656         vars from the parameters new known value.
1658 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1660         * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
1661         (sched_branch_type): Remove.
1662         (m68k_sched_md_init_global): Don't allocate it.
1663         (m68k_sched_md_finish_global): Don't free it.
1664         * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
1665         * config/m68k/m68k.md: Set the type of insns using
1666         m68k_sched_branch_type to bcc directly.
1668 2012-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1670         * config/sol2.c (solaris_override_options): New function.
1671         * config/sol2-protos.h (solaris_override_options): Declare.
1672         * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1674 2012-05-07  Richard Guenther  <rguenther@suse.de>
1676         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
1677         whether we failed to compute data dependences.
1678         (loop_prefetch_arrays): Fail if we failed.
1680 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
1681             Paolo Bonzini  <bonzini@gnu.org>
1683         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
1684         Emit bsf when optimizing for size.
1685         (*ffs<mode>_1): Ditto.
1687 2012-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
1689         PR target/53250
1690         * config/sh/sh.c (sh_rtx_costs): Handle SET.
1692 2012-05-06  Uros Bizjak  <ubizjak@gmail.com>
1694         PR target/53227
1695         * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
1696         (bswapdi2): Split from bswap<mode>2.  Use nonnimediate_operand
1697         predicate for operand 1.  Force operand 1 to register for TARGET_BSWAP.
1698         (bswapsi2): Ditto.
1699         (*bswapdi2_doubleword): New insn pattern.
1700         (*bswap<mode>2): Rename from *bswap<mode>2_1.
1702 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
1704         * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
1705         (mips_set_reg_reg_cost): Likewise.
1706         (mips_rtx_costs): Handle SET.
1708 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
1710         * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
1711         (compute_costs): Likewise for the zero extension.  Use set_rtx_cost
1712         to compute the cost of moves.  Set the mode of the target register.
1714 2012-05-05  Richard Sandiford  <rdsandiford@googlemail.com>
1716         * rtl.h (plus_constant, plus_constant_mode): Merge into a single
1717         plus_constant function.
1718         * explow.c (plus_constant, plus_constant_mode): Likewise.  Assert
1719         that the mode is sensible.
1720         (use_anchored_address, round_push, allocate_dynamic_stack_space)
1721         (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
1722         plus_constant.
1724         * alias.c (canon_rtx): Likewise.
1725         (init_alias_analysis): Likewise.
1726         * builtins.c (expand_builtin_return_addr)
1727         (expand_builtin_setjmp_setup, expand_builtin_longjmp)
1728         (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
1729         (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
1730         (expand_builtin_stpcpy): Likewise.
1731         * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
1732         (compute_argument_addresses, internal_arg_pointer_based_exp)
1733         (expand_call, emit_library_call_value_1): Likewise.
1734         * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
1735         * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
1736         * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
1737         * cse.c (insert_const_anchor, find_reg_offset_for_const)
1738         (use_related_value, fold_rtx): Likewise.
1739         * cselib.c (cselib_subst_to_values): Likewise.
1740         * dse.c (record_store, check_mem_read_rtx): Likewise.
1741         * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
1742         * emit-rtl.c (adjust_address_1): Likewise.
1743         * except.c (sjlj_emit_function_enter)
1744         (expand_builtin_extract_return_addr)
1745         (expand_builtin_frob_return_addr): Likewise.
1746         * expmed.c (expand_divmod): Likewise.
1747         * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
1748         (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
1749         (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
1750         * function.c (assign_stack_local_1)
1751         (instantiate_virtual_regs_in_rtx): Likewise.
1752         * optabs.c (prepare_cmp_insn): Likewise.
1753         * recog.c (offsettable_address_addr_space_p): Likewise.
1754         * reload.c (find_reloads_address, form_sum)
1755         (find_reloads_subreg_address): Likewise.
1756         * reload1.c (init_reload, eliminate_regs_1)
1757         (eliminate_regs_in_insn): Likewise.
1758         * simplify-rtx.c (simplify_unary_operation_1)
1759         (simplify_binary_operation_1, simplify_plus_minus): Likewise.
1760         * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
1761         (vt_add_function_parameter): Likewise.
1763         * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
1764         * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
1765         * config/alpha/alpha.c (alpha_legitimize_address_1)
1766         (get_unaligned_address, alpha_expand_unaligned_load)
1767         (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
1768         (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
1769         (alpha_expand_builtin_establish_vms_condition_handler)
1770         (alpha_setup_incoming_varargs, emit_frame_store_1)
1771         (alpha_expand_prologue, alpha_expand_epilogue)
1772         (alpha_use_linkage): Likewise.
1773         * config/alpha/alpha.md: Likewise.
1775         * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
1776         (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
1777         (thumb_legitimize_address, arm_gen_load_multiple_1)
1778         (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
1779         (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
1780         (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
1781         (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
1782         (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
1783         (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
1784         (thumb_expand_movmemqi, arm_set_return_address)
1785         (thumb_set_return_address): Likewise.
1786         * config/arm/arm.md: Likewise.
1788         * config/avr/avr.c (avr_incoming_return_addr_rtx)
1789         (avr_prologue_setup_frame, expand_epilogue)
1790         (avr_const_address_lo16): Likewise.
1792         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
1793         * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
1794         (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
1795         (bfin_output_mi_thunk): Likewise.
1797         * config/c6x/c6x.c (c6x_initialize_trampoline)
1798         (c6x_output_mi_thunk): Likewise.
1800         * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
1801         * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
1803         * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
1804         (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
1805         (cris_emit_movem_store, cris_trampoline_init): Likewise.
1806         * config/cris/cris.md: Likewise.
1808         * config/darwin.c (machopic_indirect_data_reference)
1809         (machopic_legitimize_pic_address): Likewise.
1811         * config/epiphany/epiphany.c (epiphany_emit_save_restore)
1812         (epiphany_expand_prologue, epiphany_expand_epilogue)
1813         (epiphany_trampoline_init): Likewise.
1814         * config/epiphany/epiphany.md: Likewise.
1816         * config/fr30/fr30.c (fr30_move_double): Likewise.
1818         * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
1819         (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
1820         (frv_index_memory, unspec_got_name, frv_find_base_term)
1821         (frv_output_dwarf_dtprel): Likewise.
1823         * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
1824         (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
1826         * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
1827         * config/i386/i386.c (setup_incoming_varargs_64)
1828         (setup_incoming_varargs_ms_64, choose_baseaddr)
1829         (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
1830         (ix86_emit_probe_stack_range, ix86_expand_prologue)
1831         (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
1832         (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
1833         (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
1834         (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
1835         (x86_output_mi_thunk): Likewise.
1836         * config/i386/i386.md: Likewise.
1838         * config/ia64/ia64.c (ia64_expand_load_address)
1839         (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
1840         (do_spill, ia64_trampoline_init): Likewise.
1842         * config/iq2000/iq2000.c (iq2000_va_start)
1843         (iq2000_emit_frame_related_store, iq2000_expand_prologue)
1844         (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
1845         (iq2000_print_operand, iq2000_legitimize_address): Likewise.
1847         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
1849         * config/m32c/m32c.c (m32c_return_addr_rtx)
1850         (m32c_expand_insv): Likewise.
1852         * config/m32r/m32r.c (m32r_setup_incoming_varargs)
1853         (m32r_legitimize_pic_address, m32r_print_operand)
1854         (m32r_print_operand_address): Likewise.
1856         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
1857         * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
1858         (EH_RETURN_HANDLER_RTX): Likewise.
1859         * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
1860         (m68k_expand_epilogue, legitimize_pic_address)
1861         (m68k_output_mi_thunk): Likewise.
1862         * config/m68k/m68k.md: Likewise.
1864         * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
1865         (mcore_expand_epilog): Likewise.
1866         * config/mcore/mcore.md: Likewise.
1868         * config/mep/mep.c (mep_allocate_initial_value)
1869         (mep_expand_prologue, mep_expand_epilogue): Likewise.
1871         * config/microblaze/microblaze.c (double_memory_operand)
1872         (microblaze_block_move_loop): Likewise.
1874         * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
1875         (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
1876         (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
1877         (mips_expand_prologue, mips_epilogue_set_cfa)
1878         (mips_expand_epilogue): Likewise.
1879         * config/mips/mips.md: Likewise.
1881         * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
1882         (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
1884         * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
1885         (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
1887         * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
1888         (EH_RETURN_HANDLER_RTX): Likewise.
1889         * config/moxie/moxie.c (moxie_static_chain): Likewise.
1891         * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
1892         (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
1893         (pa_return_addr_rtx, hppa_builtin_saveregs)
1894         (pa_trampoline_init): Likewise.
1895         * config/pa/pa.md: Likewise.
1897         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
1899         * config/picochip/picochip.c (picochip_static_chain): Likewise.
1901         * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
1902         * config/rs6000/rs6000.c (rs6000_legitimize_address)
1903         (setup_incoming_varargs, print_operand, rs6000_return_addr)
1904         (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
1905         (rs6000_emit_epilogue)
1906         (rs6000_machopic_legitimize_pic_address): Likewise.
1908         * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
1910         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
1911         (DYNAMIC_CHAIN_ADDRESS): Likewise.
1912         * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
1913         (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
1914         (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
1915         (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
1916         (s390_emit_epilogue, s390_function_profiler): Likewise.
1917         * config/s390/s390.md: Likewise.
1919         * config/score/score.c (score_add_offset, score_prologue): Likewise.
1921         * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
1922         (sh_output_mi_thunk): Likewise.
1923         * config/sh/sh.md: Likewise.
1925         * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
1926         (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
1927         * config/sparc/sparc.c (sparc_legitimize_pic_address)
1928         (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
1929         (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
1930         (emit_and_preserve): Likewise.
1931         * config/sparc/sparc.md: Likewise.
1933         * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1934         * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
1935         (spu_setup_incoming_varargs, ea_load_store_inline)
1936         (spu_expand_load): Likewise.
1938         * config/stormy16/stormy16.c (xstormy16_expand_prologue)
1939         (combine_bnp): Likewise.
1941         * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1942         * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
1943         (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
1945         * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1946         * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
1947         (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
1949         * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
1950         * config/v850/v850.md: Likewise.
1952         * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
1953         (EH_RETURN_HANDLER_RTX): Likewise.
1954         * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
1955         * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
1956         (print_operand_address, vax_trampoline_init): Likewise.
1958         * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
1959         (xtensa_function_value_regno_p): Likewise.
1961 2012-05-04  Andrew Pinski  <apinski@cavium.com>
1963         * expr.c (get_def_for_expr_class): New function.
1964         (convert_tree_comp_to_rtx): New function.
1965         (expand_cond_expr_using_cmove): New function.
1966         (expand_expr_real_2 <case COND_EXPR>): Call
1967         expand_cond_expr_using_cmove first and return if it succeeds.
1968         Remove the check for HAVE_conditional_move since we should have
1969         already converted it to a conditional move.
1970         * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
1971         modes of DImode for 32bits and TImode.
1973 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
1975         PR other/29442
1976         * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
1977         (print_md_ptr_loc, print_c_condition): Use them.
1978         * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
1979         * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
1980         attr_file, dfa_file, latency_file): New global variables.
1981         (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
1982         write_upcase, write_indent, write_length_unit_log, write_test_expr,
1983         write_attr_get, write_insn_cases, write_eligible_delay,
1984         write_const_num_delay_slots): Accept FILE pointer and toss it around.
1985         Update all callers.
1986         (write_header, open_outfile, handle_arg): New funcions.
1987         (make_automaton_attrs): Write prototypes as extern to the output
1988         files.
1989         (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
1990         names from the command line.  Open the output files and write out
1991         internal functions for DFA functions to dfa_file_name, insn latency
1992         functions to latency_file_name, and everything else to attr_file.
1993         * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
1994         (BACKEND): Build libbackend first.
1995         (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
1996         (.PRECIOUS): Likewise.
1997         (insn-dfatab.o): New rule.
1998         (insn-latencytab.o): New rule.
1999         (simple_rtl_generated_c): Do not include insn-attrtab.c.
2000         (s-attrtab): New rule.
2002 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
2004         * rtl.def (ATTR_FLAG): Remove probability indicating flags.
2005         * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
2006         ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
2007         * reorg.c (get_jump_flags): Do not set the removed flags.
2009         * doc/md.texi (attr_flag): Update for abovementioned changes.
2011 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
2013         PR target/53228
2014         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
2015         (TARGET_CMOV): Rename from TARGET_CMOVE.
2016         (TARGET_CMOVE): New define.
2017         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
2018         Do not set TARGET_CMOVE here.
2020 2012-05-04  Dodji Seketeli  <dodji@redhat.com>
2022         Enable -Wunused-local-typedefs when -Wall or -Wunused is on
2023         * opts.c (finish_options): Activate -Wunused-local-typedefs if
2024         -Wunused is activated.
2025         * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
2027 2012-05-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2029         * config/s390/s390.md (*movmem_short, *clrmem_short)
2030         (*cmpmem_short): Move the mode check from the insn condition to
2031         the match_scratch.
2033 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2035         PR tree-optimization/52633
2036         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
2037         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
2038         (vect_recog_over_widening_pattern): Remove handling of code that was
2039         already detected as over-widening pattern.  Remove special handling
2040         of "unsigned" cases.  Instead, support general case of conversion
2041         of the shift result to another type.
2043 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2045         * tree-vect-patterns.c (vect_single_imm_use): New function.
2046         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
2047         (vect_recog_over_widening_pattern): Likewise.
2048         (vect_recog_widen_shift_pattern): Likewise.
2050 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2052         * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
2053         (vect_handle_widen_op_by_const): Use it instead of open-coding test.
2054         (vect_recog_widen_mult_pattern): Likewise.
2055         (vect_operation_fits_smaller_type): Likewise.
2056         (vect_recog_over_widening_pattern): Likewise.
2057         (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
2059 2012-05-04  Richard Guenther  <rguenther@suse.de>
2061         PR lto/50602
2062         * lto-wrapper.c (merge_and_complain): Complain about mismatches
2063         of -freg-struct-return and -fpcc-struct-return.
2064         (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
2065         from the input file options and ignore those from the link
2066         command line.
2068 2012-05-04  Richard Guenther  <rguenther@suse.de>
2070         PR tree-optimization/53168
2071         * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
2072         memory reads when the result is a constant we can pun.
2074 2012-05-04  Richard Guenther  <rguenther@suse.de>
2076         * common.opt (flto-report): Do not mark as Optimization.
2078 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
2080         PR target/48496
2081         * recog.c (constrain_operands): If extra constraints are present, also
2082         accept pseudo-registers with equivalent memory locations during reload.
2084 2012-05-04  Olivier Hainque  <hainque@adacore.com>
2086         * collect2.c (may_unlink_output_file): New global.
2087         (maybe_unlink): Honor it.
2088         * collect2.h: Add extern for it.
2089         * tlink.c (do_tlink): Set it to true if the link succeeded.
2091 2012-05-04  Olivier Hainque  <hainque@adacore.com>
2093         * gcc.c (eval_spec_function): Finalize/restore the current string
2094         obstack state as part of the context push/pop operations.
2096 2012-05-04  Bin Cheng  <bin.cheng@arm.com>
2098         PR rtl-optimization/52804
2099         * reload1.c (reload_reg_reaches_end_p): Check whether successor
2100         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
2101         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
2102         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
2103         RELOAD_FOR_OUTADDR_ADDRESS.
2105 2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2107         PR c++/24985
2108         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
2109         for macro expansion.
2111 2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2113         * flags.h (flag_permissive): Do not declare.
2114         * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
2115         option specially.
2116         * toplev.c (flag_permissive): Do not define.
2117         * c-tree.h (system_header_p): Delete unused.
2119 2012-05-03  David S. Miller  <davem@davemloft.net>
2121         PR target/52684
2122         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2123         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2124         (sparc_emit_float_lib_cmp): Likewise.
2126 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
2128         PR target/53199
2129         * config/rs6000/rs6000.md (bswapdi splitters): If
2130         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2131         default) is used, generate an alternate sequence that does not
2132         depend on using indexed addressing.
2134 2012-05-03  Jason Merrill  <jason@redhat.com>
2136         * gengtype.c (write_types): Fix warning message.
2137         (write_local): Likewise.
2139 2012-05-02  Jason Merrill  <jason@redhat.com>
2141         * dwarf2out.c (struct external_ref, build_local_stub): New.
2142         (hash_external_ref, external_ref_eq, lookup_external_ref): New.
2143         (optimize_external_refs, optimize_external_refs_1): New.
2144         (change_AT_die_ref): New.
2145         (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
2146         (build_abbrev_table): Take the external refs hashtable.
2147         (output_comp_unit): Get it from optimize_external_refs and pass it in.
2149 2012-05-03  Jan Hubicka  <jh@suse.cz>
2151         PR middle-end/53093
2152         * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
2154 2012-05-03  Jan Hubicka  <jh@suse.cz>
2156         PR middle-end/53106
2157         * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
2159 2012-05-03  Jason Merrill  <jason@redhat.com>
2161         * dwarf2out.c (die_struct): Add comdat_type_p flag.  Use it instead of
2162         use_debug_types to discriminate the die_id union.
2163         (print_die, assign_symbol_names, copy_decls_walk): Likewise.
2164         (build_abbrev_table, output_die): Likewise.
2165         (prune_unused_types_walk_attribs): Likewise.
2166         (generate_type_signature, copy_declaration_context): Set it.
2167         (remove_child_or_replace_with_skeleton): Set it.
2168         (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
2169         check use_debug_types.
2170         (dwarf2out_finish): Do break_out_includes after .debug_types.
2172 2012-05-03  Jason Merrill  <jason@redhat.com>
2174         * dwarf2out.c (modified_type_die): Use scope_die_for.
2175         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
2176         (uses_local_type_r, uses_local_type): New.
2177         (scope_die_for): Keep a type that uses a local type in local scope.
2178         Use get_context_die for namespace and type scope.
2180 2012-05-03  Jason Merrill  <jason@redhat.com>
2182         * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
2183         pc thunk.
2184         * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
2185         (dwarf2out_finish): Likewise.
2187 2012-05-03  Martin Jambor  <mjambor@suse.cz>
2189         * builtins.c (get_object_alignment_1): Return whether we can determine
2190         the alignment or conservatively assume byte alignment.  Return the
2191         alignment by reference.  Use get_pointer_alignment_1 for dereference
2192         alignment.
2193         (get_pointer_alignment_1): Return whether we can determine the
2194         alignment or conservatively assume byte alignment.  Return the
2195         alignment by reference.  Use get_ptr_info_alignment to get SSA name
2196         alignment.
2197         (get_object_alignment): Update call to get_object_alignment_1.
2198         (get_object_or_type_alignment): Likewise, fall back to type alignment
2199         only when it returned false.
2200         (get_pointer_alignment): Update call to get_pointer_alignment_1.
2201         * fold-const.c (get_pointer_modulus_and_residue): Update call to
2202         get_object_alignment_1.
2203         * ipa-prop.c (ipa_modify_call_arguments): Update call to
2204         get_pointer_alignment_1.
2205         * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
2206         of MEM_REF or TARGET_MEM_REF only when it returns false.
2207         * tree-ssa-ccp.c (get_value_from_alignment): Update call to
2208         get_object_alignment_1.
2209         (ccp_finalize): Use set_ptr_info_alignment.
2210         * tree.h (get_object_alignment_1): Update declaration.
2211         (get_pointer_alignment_1): Likewise.
2212         * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
2213         (dump_gimple_stmt): Likewise.
2214         * tree-flow.h (ptr_info_def): Updated comments of fields align and
2215         misalign.
2216         (get_ptr_info_alignment): Declared.
2217         (mark_ptr_info_alignment_unknown): Likewise.
2218         (set_ptr_info_alignment): Likewise.
2219         (adjust_ptr_info_misalignment): Likewise.
2220         * tree-ssa-address.c (copy_ref_info): Use new access functions to get
2221         and set alignment of SSA names.
2222         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
2223         mark_ptr_info_alignment_unknown.
2224         * tree-ssanames.c (get_ptr_info_alignment): New function.
2225         (mark_ptr_info_alignment_unknown): Likewise.
2226         (set_ptr_info_alignment): Likewise.
2227         (adjust_ptr_info_misalignment): Likewise.
2228         (get_ptr_info): Call mark_ptr_info_alignment_unknown.
2229         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
2230         Likewise.
2231         (bump_vector_ptr): Likewise.
2232         * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
2233         (vectorizable_store): Likewise.
2234         (vectorizable_load): Likewise.
2236 2012-05-03  Michael Matz  <matz@suse.de>
2238         * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
2239         in front of basic_block_def.
2240         (struct basic_block_def): Make il.gimple the full struct, not a
2241         pointer.
2242         (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
2244         * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
2245         * gimple-iterator.c (gimple_stmt_iterator): Don't special case
2246         NULL il.gimple, which can't happen anymore.
2247         * gimple.h (bb_seq): il.gimple can't be NULL.
2248         (bb_seq_add): Ditto.
2249         (set_bb_seq): Adjust.
2250         (gsi_start_bb, gsi_last_bb): Tidy.
2251         * lto-streamer-in.c (make_new_block): Don't zero members that
2252         are zeroed already, don't allocate a gimple_bb_info.
2253         * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
2254         (remove_bb): Clear all il.gimple members.
2255         (gimple_verify_flow_info): Adjust for flat il.gimple.
2256         * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
2258         * coretypes.h (const_gimple_seq): Remove typedef.
2259         * gimple.h (gimple_seq_first): Take gimple_seq.
2260         (gimple_seq_first_stmt): Ditto.
2261         (gimple_seq_last): Ditto.
2262         (gimple_seq_last_stmt): Ditto.
2263         (gimple_seq_empty_p): Ditto.
2265 2012-05-03  Richard Guenther  <rguenther@suse.de>
2267         * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
2268         operations.
2269         (prune_clobbered_mems): Do it here.  Do not uselessly sort expressions.
2270         (compute_avail): Do not add possibly trapping operations to
2271         EXP_GEN if they might not be executed in the block.
2273 2012-05-03  Uros Bizjak  <ubizjak@gmail.com>
2275         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
2277 2012-05-03  Steven Bosscher  <steven@gcc.gnu.org>
2279         * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
2280         information as early as possible.  Update dominance info instead of
2281         discarding it.
2283 2012-05-03  Richard Guenther  <rguenther@suse.de>
2285         * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
2286         (union_contains_value): Remove.
2287         (vro_valid_in_sets): Likewise.
2288         (op_valid_in_sets): New function.
2289         (valid_in_sets): Use op_valid_in_sets.
2290         (insert_into_preds_of_block): Move dumping ...
2291         (do_regular_insertion): ... here.
2292         (do_partial_partial_insertion): ... and here.  Dump that
2293         we've found a partial partial redundancy.
2294         (insert): Dump the current insert iteration.
2296 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
2298         PR plugins/53126
2299         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2300         append program name to it and pass that as first argument
2301         to make_relative_prefix.  Always pass standard_libexec_prefix
2302         as last argument to make_relative_prefix.  If
2303         make_relative_prefix returns NULL, fall back to
2304         standard_libexec_prefix.
2306         PR debug/53174
2307         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2308         removed.
2310         PR target/53187
2311         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2312         mode, return that mode.
2314         PR target/53194
2315         * config/i386/i386-c.c (ix86_target_macros_internal): Don't
2316         define __ATOMIC_HLE_* macros here.
2317         (ix86_target_macros): But here, using cpp_define_formatted.
2319 2012-05-03  Richard Guenther  <rguenther@suse.de>
2321         PR tree-optimization/53144
2322         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2323         Rename to ...
2324         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
2325         with SSA name values.
2326         (vn_reference_lookup_3): Adjust callers.
2328 2012-05-03  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
2330         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
2331         has_fma4 for AMD processors with both fma3 and fma4 support.
2333 2012-05-03  Kirill Yukhin  <kirill.yukhin@intel.com>
2335         PR target/53201
2336         * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
2337         "-mno-hle".
2339 2012-05-03  Michael Matz  <matz@suse.de>
2341         PR bootstrap/53197
2342         * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
2343         (dse_enter_block): Properly iterate the whole sequence even
2344         if the last statement was removed.
2346 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2348         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
2349         unset flag_jump_tables.
2350         * stmt.c (expand_case): Remove special flag_pic case conditional
2351         on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
2353 2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
2355         * common/config/s390/s390-common.c (s390_option_optimization_table):
2356         Enable -fsched-pressure using -fsched-pressure-algorithm=model by
2357         default when optimizing.
2359 2012-05-02  Martin Jambor  <mjambor@suse.cz>
2361         PR lto/52605
2362         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2363         of a variable when the contect is a function.
2365 2012-05-02  Michael Matz  <matz@suse.de>
2367         * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
2368         * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
2369         (const_gimple_seq_node): Remove.
2370         (gimple_seq_node): Typedef as gimple.
2371         (struct gimple_statement_base): Add next and prev members,
2372         adjust all WORD markers in using structs.
2373         (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
2374         (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
2375         gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
2376         gimple are the same.
2377         (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
2378         gimple_seq, adjust.
2379         (gimple_init_singleton): New function.
2380         (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
2381         (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
2382         (gsi_stmt): Adjust.
2383         (gsi_stmt_ptr): Remove.
2384         (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
2386         * gimple-iterator.c (update_bb_for_stmts): Take last parameter
2387         again, adjust for above changes.
2388         (update_call_edge_frequencies): Adjust for above changes.
2389         (gsi_insert_seq_nodes_before): Rewrite for new data structure.
2390         (gsi_insert_seq_nodes_after): Ditto.
2391         (gsi_split_seq_after): Ditto.
2392         (gsi_set_stmt): Ditto.
2393         (gsi_split_seq_before): Ditto.
2394         (gsi_remove): Ditto.
2395         (gsi_insert_seq_before_without_update): Don't free sequence.
2396         (gsi_insert_seq_after_without_update): Ditto.
2397         (gsi_replace): Assert some more invariants.
2398         (gsi_insert_before_without_update, gsi_insert_after_without_update):
2399         Tidy.
2400         (gsi_for_stmt): Don't search for stmt.
2401         (gsi_insert_on_edge_immediate): Tidy.
2403         * gimple.c (gimple_alloc_k): Remove "sequences".
2404         (gimple_seq_cache): Remove.
2405         (gimple_alloc_stat): Make stmt a singleton sequence.
2406         (gimple_seq_alloc, gimple_seq_free): Remove.
2407         (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
2408         (gimple_copy): Ditto.
2409         * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
2410         create iterator from correct sequence.
2411         * tree-phinodes.c (make_phi_node): Make stmt a singleton.
2413 2012-05-02  Michael Matz  <matz@suse.de>
2415         * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
2416         gimple_seq.
2417         (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
2418         sequence, lazily allocate it.
2419         (bb_seq_addr): New function.
2420         (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
2421         (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
2422         (gsi_none): New function.
2423         (gsi_start_bb): Adjust.
2424         (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
2425         (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
2426         (gsi_last_bb): Adjust.
2427         (gsi_seq): Adjust.
2428         * tree-flow-inline.h (phi_nodes_ptr): New function.
2430         * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
2431         datastructure and interface change.
2432         (gsi_insert_seq_before_without_update): Ditto.
2433         (gsi_insert_seq_nodes_after): Ditto.
2434         (gsi_insert_seq_after_without_update): Ditto.
2435         (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
2436         (gsi_split_seq_before): Ditto.
2437         (gsi_start_phis): Adjust.
2438         * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
2439         (vect_transform_loop): Ditto.
2440         * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
2441         gimple_seq_copy): Don't use gimple_seq_alloc.
2442         * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
2443         (gimplify_seq_add_seq): Ditto.
2444         * lto-streamer-in.c (make_new_block): Ditto.
2445         * tree-cfg.c (create_bb): Ditto.
2446         * tree-sra.c (initialize_parameter_reductions): Ditto.
2448 2012-05-02  Michael Matz  <matz@suse.de>
2450         * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
2451         gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
2452         gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
2453         set_bb_seq): Move down to after gimple_statement_d definition.
2455 2012-05-02  Michael Matz  <matz@suse.de>
2457         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
2458         gsi_replace_with_seq, instead of inserting itself.
2459         * gimple-iterator.c (gsi_replace_with_seq): New function.
2460         * tree-ssa-forwprop.c (forward_propagate_comparison): Take
2461         iterator instead of statement, advance it.
2462         (ssa_forward_propagate_and_combine): Adjust call to above.
2464 2012-05-02  Michael Matz  <matz@suse.de>
2466         * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
2467         gimple_seq_alloc.
2468         * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
2469         * tree-nested.c (walk_gimple_omp_for): Ditto.
2470         * trans-mem.c (lower_transaction): Ditto.
2471         * tree-eh.c (do_return_redirection): Ditto.
2472         (do_goto_redirection): Ditto.
2473         (lower_try_finally_switch): Ditto.
2474         * gimplify.c (gimplify_stmt): Ditto.
2475         (gimplify_scan_omp_clauses): Ditto.
2476         (gimplify_omp_for): Ditto.
2477         (gimplify_function_tree): Ditto.
2478         * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
2479         * tree-mudflap.c (mf_decl_cache_locals): Ditto.
2480         (mf_build_check_statement_for): Ditto.
2481         (mx_register_decls): Ditto.
2482         * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
2483         and don't use itertors to append.
2484         (insert_stmts): Ditto.
2485         (insert_out_of_ssa_copy): Ditto.
2486         (insert_out_of_ssa_copy_on_edge): Ditto.
2488 2012-05-02  Michael Matz  <matz@suse.de>
2490         * gimple.h (gimple_bind_body_ptr): New function.
2491         (gimple_bind_body): Use it.
2492         (gimple_catch_handler): Use gimple_catch_handler_ptr.
2493         (gimple_eh_filter_failure_ptr): New function.
2494         (gimple_eh_filter_failure): Use it.
2495         (gimple_eh_else_n_body_ptr): New function.
2496         (gimple_eh_else_n_body): Use it.
2497         (gimple_eh_else_e_body_ptr): New function.
2498         (gimple_eh_else_e_body): Use it.
2499         (gimple_try_eval_ptr): New function.
2500         (gimple_try_eval): Use it.
2501         (gimple_try_cleanup_ptr): New function.
2502         (gimple_try_cleanup): Use it.
2503         (gimple_wce_cleanup_ptr): New function.
2504         (gimple_wce_cleanup): Use it.
2505         (gimple_omp_body_ptr): New function.
2506         (gimple_omp_body): Use it.
2507         (gimple_omp_for_pre_body_ptr): New function.
2508         (gimple_omp_for_pre_body): Use it.
2509         (gimple_transaction_body_ptr): New function.
2510         (gimple_transaction_body): Use it.
2511         (gsi_split_seq_before): Adjust to return nothing and take pointer
2512         to sequence.
2513         (gsi_set_stmt): Declare.
2514         (gsi_replace_with_seq): Declare.
2515         (walk_gimple_seq_mod): Declare.
2516         * function.h (struct function <gimple_body>): Use typedef gimple_seq.
2518         * gimple-iterator.c (gsi_set_stmt): New function.
2519         (gsi_split_seq_before): Return new sequence via pointer argument.
2520         (gsi_replace): Use gsi_set_stmt.
2522         * tree-ssa-loop-im.c (move_computations_stmt): First remove
2523         then insert stmt.
2524         * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
2525         * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
2526         return new stmt.
2527         (reserve_phi_args_for_new_edge): Change call to above,
2528         use gsi_set_stmt.
2530         * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
2531         (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
2532         iterators.  Adjust call to lower_omp.
2533         (lower_lastprivate_clauses): Adjust call to lower_omp.
2534         (lower_reduction_clauses): Ditto.
2535         (expand_omp_taskreg): Nullify non-cfg body of child_fn.
2536         (lower_omp_sections): Don't explicitely count sequence length,
2537         nullify lowered bodies earlier, ensure stmts are part of only
2538         one sequence, adjust call to lower_omp.
2539         (lower_omp_single): Ensure stmts are part of only one sequence,
2540         adjust call to lower_omp.
2541         (lower_omp_master): Ditto.
2542         (lower_omp_ordered): Ditto.
2543         (lower_omp_critical): Ditto.
2544         (lower_omp_for): Ditto.
2545         (lower_omp_taskreg): Ditto, tidy.
2546         (lower_omp_1): Adjust calls to lower_omp.
2547         (execute_lower_omp): Ditto.
2548         (lower_omp): Adjust to take pointer to sequence.
2549         (diagnose_sb_2): Use walk_gimple_seq_mod.
2550         (diagnose_omp_structured_block_errors): Ditto and set possibly
2551         changed function body.
2552         * gimple-low.c (lower_function_body): Set function body after
2553         it stabilizes.
2554         (lower_sequence): Adjust to take pointer to sequence.
2555         (lower_omp_directive): Ensure stmt isn't put twice into the
2556         sequence, adjust call to lower_sequence.
2557         (lower_stmt): Adjust calls to lower_sequence.
2558         (lower_gimple_bind): Ditto.
2559         (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
2560         * tree-nested.c (walk_body): Take pointer to sequence, use
2561         walk_gimple_seq_mod.
2562         (walk_function): Adjust call to walk_body, set possibly changed body.
2563         (walk_gimple_omp_for): Adjust calls to walk_body.
2564         (convert_nonlocal_omp_clauses): Ditto.
2565         (convert_nonlocal_reference_stmt): Ditto.
2566         (convert_local_omp_clauses): Ditto.
2567         (convert_local_reference_stmt): Ditto.
2568         (convert_tramp_reference_stmt): Ditto.
2569         (convert_gimple_call): Ditto.
2570         (convert_nl_goto_reference): Use local iterator copy.
2571         * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
2572         but taking pointer to sequence, ensure gsi_start is called with
2573         callers lvalue.
2574         (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
2575         asserting that the sequence head didn't change.
2576         (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
2577         walk_gimple_seq_mod.
2578         * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
2579         (execute_lower_tm): Ditto, and set possibly changed body.
2580         * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
2581         call gsi_start with that lvalue.
2582         (replace_goto_queue_stmt_list): Ditto.
2583         (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
2584         (replace_goto_queue): Ditto.
2585         (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
2586         (lower_try_finally_onedest): Ditto.
2587         (lower_try_finally_copy): Ditto.
2588         (lower_try_finally_switch): Ditto.
2589         (lower_try_finally): Ditto.
2590         (lower_eh_filter): Ditto.
2591         (lower_eh_must_not_throw): Ditto.
2592         (lower_cleanup): Ditto.
2593         (lower_eh_constructs_2): Ditto.
2594         (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
2595         (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
2596         set possibly changed body.
2597         (optimize_double_finally): Call gsi_start with lvalue.
2599         * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
2600         (gimple_split_block): Ditto.
2601         (gimple_merge_blocks): Use gsi_start_phis.
2602         (move_stmt_r): Use walk_gimple_seq_mod.
2603         * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
2604         * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
2605         (rebuild_cgraph_edges): Ditto.
2606         (cgraph_rebuild_references): Ditto.
2607         * ipa-prop.c (ipa_analyze_params_uses): Ditto.
2608         * tree-inline.c (copy_phis_for_bb): Ditto.
2609         * tree-ssa-dce.c: Ditto.
2611         * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
2613 2012-05-02  Kirill Yukhin  <kirill.yukhin@intel.com>
2614             Andi Kleen <ak@linux.intel.com>
2616         * coretypes.h (MEMMODEL_MASK): New.
2617         * builtins.c (get_memmodel): Add val. Call target.memmodel_check
2618         and return new variable.
2619         (expand_builtin_atomic_exchange):  Mask memmodel values.
2620         (expand_builtin_atomic_compare_exchange): Ditto.
2621         (expand_builtin_atomic_load): Ditto.
2622         (expand_builtin_atomic_store): Ditto.
2623         (expand_builtin_atomic_clear): Ditto.
2624         * doc/extend.texi: Mention port-dependent memory model flags.
2625         * config/i386/cpuid.h (bit_HLE): New.
2626         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
2627         HLE support.
2628         * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
2629         * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
2630         (ix86_target_string)<-mhle>: New.
2631         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
2632         * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
2633         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
2634         (ix86_option_override_internal) <PTA_HLE>: New switch, set it
2635         enabled for generic, generic64 and core-avx2.
2636         (ix86_print_operand): Generate HLE lock prefixes.
2637         (ix86_memmodel_check): New.
2638         (TARGET_MEMMODEL_CHECK): Ditto.
2639         * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
2640         (IX86_HLE_ACQUIRE): Ditto.
2641         (IX86_HLE_RELEASE): Ditto.
2642         * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
2643         * config/i386/i386.opt (mhle): Ditto.
2644         * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
2645         success model to instruction emitter.
2646         (atomic_fetch_add<mode>): Ditto.
2647         (atomic_exchange<mode>): Ditto.
2648         (atomic_add<mode>): Ditto.
2649         (atomic_sub<mode>): Ditto.
2650         (atomic_<code><mode>): Ditto.
2651         (*atomic_compare_and_swap_doubledi_pic): Ditto.
2652         (atomic_compare_and_swap_single<mode>): Define and use argument
2653         for success model.
2654         (atomic_compare_and_swap_double<mode>): Ditto.
2655         * configure.ac: Check if assembler support HLE prefixes.
2656         * configure: Regenerate.
2657         * config.in: Ditto.
2659 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2661         PR middle-end/53153
2662         * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
2663         split out from ...
2664         (gimplify_switch_expr): ... here.
2665         * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
2666         * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
2667         to clean up case labels with values outside the index type range.
2668         (simplify_gimple_switch): Call it if something changed.
2669         Remove strange and unnecessary assert.
2671 2012-05-02  Richard Guenther  <rguenther@suse.de>
2673         * fold-const.c (div_if_zero_remainder): sizetypes no longer
2674         sign-extend.
2675         (int_const_binop_1): New worker for int_const_binop with
2676         overflowable parameter.  Pass it through to force_fit_type_double.
2677         (int_const_binop): Wrap around int_const_binop_1 with overflowable
2678         equal to one.
2679         (size_binop_loc): Call int_const_binop_1 with overflowable equal
2680         to minus one, forcing overflow detection for even unsigned types.
2681         (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
2682         (fold_binary_loc): Call try_move_mult_to_index with signed offset.
2683         * stor-layout.c (initialize_sizetypes): sizetypes no longer
2684         sign-extend.
2685         (layout_type): For zero-sized arrays ignore overflow on the
2686         size calculations.
2687         * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
2688         (bit_value_binop_1): Likewise.
2689         * tree.c (double_int_to_tree): Likewise.
2690         (double_int_fits_to_tree_p): Likewise.
2691         (force_fit_type_double): Likewise.
2692         (host_integerp): Likewise.
2693         (int_fits_type_p): Likewise.
2694         * varasm.c (output_constructor_regular_field): Sign-extend the
2695         field-offset to cater for negative offsets produced by the Ada
2696         frontend.
2697         * omp-low.c (extract_omp_for_data): Convert the loop step to
2698         signed for pointer adjustments.
2700 2012-05-02  Richard Guenther  <rguenther@suse.de>
2702         * tree.c (valid_constant_size_p): New function.
2703         * tree.h (valid_constant_size_p): Declare.
2704         * cfgexpand.c (expand_one_var): Adjust check for too large
2705         variables by using valid_constant_size_p.
2706         * varasm.c (assemble_variable): Likewise.
2708         * c-decl.c (grokdeclarator): Properly check for sizes that
2709         cover more than half of the address-space.
2711 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
2713         PR tree-optimization/53163
2714         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2715         return value from compute_all_dependences.
2717         PR rtl-optimization/53160
2718         * ree.c (combine_reaching_defs): Handle the case where cand->insn
2719         has been modified by ree pass already.
2721 2012-05-01  Ian Lance Taylor  <iant@google.com>
2723         PR c/37303
2724         * c-decl.c (build_compound_literal): Make the decl readonly if it
2725         an array of a readonly type.
2726         * gimplify.c (gimplify_compound_literal_expr): Add fallback
2727         parameter.  Change all callers.  If the decl is not addressable
2728         and is not an l-value, make it readonly.
2730 2012-05-01  Bernd Schmidt  <bernds@codesourcery.com>
2732         * ira.c (allocated_reg_info_size): New static variable.
2733         (expand_reg_info): Manage it. Call
2734         setup_preferred_alternate_classes_for_new_pseudos.
2735         (ira): Don't do it here.  Remove local allocated_reg_info_size,
2736         set the global before calling find_moveable_pseudos.
2737         (find_moveable_pseudos): Call expand_reg_info rather than
2738         resize_reg_info.
2740 2012-05-01  Richard Henderson  <rth@redhat.com>
2742         * common.opt (fsync-libcalls): New.
2743         * doc/invoke.texi: Document it.
2744         * optabs.c (init_sync_libfuncs): Honor it.
2746 2012-05-01  Kenneth Zadeck  <zadeck@naturalbridge.com>
2747             Richard Sandiford  <r.sandiford@uk.ibm.com>
2749         PR rtl-optimization/52543
2750         * Makefile.in (lower-subreg.o, target-globals.o): Depend on
2751         lower-subreg.h.
2752         * lower-subreg.h: New file.
2753         * target-globals.h (this_target_lower_subreg): Declare.
2754         (target_globals): Add lower_subreg;
2755         (restore_target_globals): Restore this_target_lower_subreg.
2756         * target-globals.c: Include it.
2757         (default_target_globals): Add default_target_lower_subreg.
2758         (save_target_globals): Initialize target_lower_subreg.
2759         * rtl.h (init_lower_subreg): Added declaration.
2760         * toplev.c (backend_init_target): Call initializer for lower-subreg
2761         pass.
2762         * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
2763         (default_target_lower_subreg): New variable.
2764         (this_target_lower_subreg): Likewise.
2765         (twice_word_mode, choices): New macros.
2766         (shift_cost, compute_splitting_shift, compute_costs)
2767         (init_lower_subreg): New functions.
2768         (resolve_simple_move): Add speed_p argument.  Check choices.
2769         (find_pseudo_copy): Don't check the mode size here.
2770         (resolve_simple_move): Assert the mode size.
2771         (find_decomposable_shift_zext): Add speed_p argument and return
2772         a bool.  Check choices.
2773         (resolve_shift_zext): Add comment.
2774         (dump_shift_choices, dump_choices): New functions.
2775         (decompose_multiword_subregs): Dump list of profitable
2776         transformations.  Add code to skip non profitable transformations.
2777         Update calls to simple_move and find_decomposable_shift_zext.
2779 2012-05-01  Ian Bolton  <ian.bolton@arm.com>
2780             Sameera Deshpande  <sameera.deshpande@arm.com>
2781             Greta Yorsh  <greta.yorsh@arm.com>
2783         * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
2784         (thumb1_unexpanded_epilogue): ...this.
2785         * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
2786         (thumb1_unexpanded_epilogue): ...this.
2787         * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
2788         (thumb1_unexpanded_epilogue): ...this.
2790 2012-05-01  Richard Earnshaw  <rearnsha@arm.com>
2792         * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
2793         comparing enumeration values.  Update comments.
2795 2012-05-01  Alan Modra  <amodra@gmail.com>
2797         PR target/53038
2798         * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
2799         load_cr_save, add_crlr_cfa_restore): New functions.
2800         (rs6000_restore_saved_cr): Rename to..
2801         (restore_saved_cr): ..this.  Add cfa_restore notes for cr.
2802         (rs6000_emit_epilogue): Use new functions.  Adjust condition
2803         for emitting lr and cr cfa_restore.  Emit cfa_restores for fp
2804         regs when using out-of-line restore only when shrink wrapping.
2806 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2808         PR middle-end/53136
2809         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2810         calls to cgraph_node_name in xstrdup.
2811         (ipa_make_edge_direct_to_target): Ditto.
2812         * cgraph.c (dump_cgraph_node): Ditto.
2813         * tree-sra.c (convert_callers_for_node): Ditto.
2814         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2815         * ipa-cp.c (perhaps_add_new_callers): Ditto.
2816         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2817         (cgraph_materialize_all_clones): Ditto.
2818         * ipa-inline.c (report_inline_failed_reason): Ditto.
2819         (want_early_inline_function_p): Ditto.
2820         (edge_badness): Ditto.
2821         (update_edge_key): Ditto.
2822         (flatten_function): Ditto.
2823         (ipa_inline): Ditto.
2824         (inline_always_inline_functions): Ditto.
2825         (early_inline_small_functions): Ditto.
2827 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2829         PR target/53141
2830         * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
2831         constraints 0 and 1.
2833 012-04-30  Jan Hubicka  <jh@suse.cz>
2835         * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
2836         (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
2837         (cgraph_add_to_same_comdat_group): Remove.
2838         (cgraph_add_asm_node): Move to cgraphunit.c.
2839         (cgraph_make_decl_local): Move to symtab.c
2840         (cgraph_make_node_local_1): Update.
2841         (cgraph_can_remove_if_no_direct_calls_and): Update.
2842         (used_from_object_file_p): Update.
2843         (resolution_used_from_other_file_p): Move to symtab.c
2844         (cgraph_used_from_object_file_p): move to symtab.c
2845         (verify_cgraph_node): Verify same comdat groups.
2846         * cgraph.h (cgraph_asm_node): Rename to ...
2847         (asm_node): ... this one.
2848         (cgraph_asm_nodes): Rename to ...
2849         (asm_nodes): ... this one.
2850         (symtab_add_to_same_comdat_group): New function.
2851         (symtab_dissolve_same_comdat_group_list): New function.
2852         (symtab_used_from_object_file_p): Declare.
2853         (symtab_make_decl_local): Declare.
2854         (cgraph_add_to_same_comdat_group): Remove.
2855         (cgraph_add_asm_node): Remove.
2856         (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
2857         Remove.
2858         (cgraph_finalize_compilation_unit): Rename to ...
2859         (finalize_compilation_unit): ... this one.
2860         (cgraph_optimize): Rename to ....
2861         (compile): ... this one.
2862         (add_asm_node): Declare.
2863         (fixup_same_cpp_alias_visibility): Declare.
2864         (cgraph_make_decl_local): Remove.
2865         (varpool_assemble_pending_decls): Rename to ...
2866         (varpool_output_variables): ... this one.
2867         (varpool_remove_unreferenced_decls): Remove.
2868         * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
2869         (preserve_function_body_p): Make static.
2870         * toplev.c (compile_file): Update comments; update.
2871         * cgraphunit.c: Update comments.
2872         (cgraph_expand_all_functions): Rename to ...
2873         (expand_all_functions): ... this one; update.
2874         (cgraph_mark_functions_to_output): Rename to ...
2875         (mark_functions_to_output): ... this one; cleanup.
2876         (cgraph_output_pending_asms): Remove prototype.
2877         (asm_nodes, asm_last_node): New static vars.
2878         (cgraph_process_new_functions): Update.
2879         (cgraph_reset_node): Cleanup; add comment.
2880         (cgraph_add_new_function): Update.
2881         (cgraph_output_pending_asms): Rename to ...
2882         (output_asm_statements): ... this one.
2883         (add_asm_node): New function.
2884         (fixup_same_cpp_alias_visibility): New function based on code
2885         in cgraph_analyze_function.
2886         (cgraph_analyze_function): Use it.
2887         (cgraph_order_sort): Update.
2888         (cgraph_output_in_order): Update.
2889         (cgraph_function_versioning): Update.
2890         (cgraph_optimize): Rename to ...
2891         (compile): ... this one; initialize streamer hooks here.
2892         (cgraph_finalize_compilation_unit): Rename to ...
2893         (finalize_compilation_unit): ... this one; do not initialize streamer
2894         hook here.
2895         * lto-streamer-out.c (lto_output_toplevel_asms): Update.
2896         * dwarf2out.c: Update ocmment.
2897         * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
2898         * method.c (use_thunk): Likewise.
2899         * semantics.c (maybe_add_lambda_conv_op): Likewise.
2900         * decl2.c (maybe_emit_vtables): Likewise.
2901         (cp_write_global_declarations): Use finalize_compilation_unit.
2902         * parser.c (cp_parser_asm_definition): Use add_asm_node.
2903         * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
2904         * c-decl.c (c_write_global_declarations): Use
2905         finalize_compilation_unit.
2906         * langhooks.c (write_global_declarations): Update.
2907         * ipa.c (cgraph_externally_visible_p): Update.
2908         (dissolve_same_comdat_group_list): Remove.
2909         (function_and_variable_visibility): Update.
2910         * symtab.c: Inlcude lto-streamer.h and rtl.h
2911         (ld_plugin_symbol_resolution_names): New.
2912         (symtab_add_to_same_comdat_group): New.
2913         (symtab_dissolve_same_comdat_group_list): New.
2914         (resolution_used_from_other_file_p): Move here from cgraph.c
2915         (symtab_used_from_object_file_p): New.
2916         (symtab_make_decl_local): New.
2917         * passes.c (register_pass): Update comments.
2918         * c-parser.c (c_parser_asm_definition): Update.
2919         * varpool.c (varpool_analyze_node): Use
2920         fixup_same_cpp_alias_visibility.
2921         (varpool_remove_unreferenced_decls): Make static.
2922         (varpool_assemble_pending_decls): Rename to ...
2923         (varpool_output_variables): ... this one; call
2924         varpool_remove_unreferenced_decls.
2925         (varpool_used_from_object_file_p): Remove.
2927 2012-04-30  Marc Glisse  <marc.glisse@inria.fr>
2929         PR c++/51033
2930         * c-typeck.c (build_array_ref): Call
2931         convert_vector_to_pointer_for_subscript.
2932         * doc/extend.texi (Vector Extensions): Subscripting not just for C.
2934 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2936         * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
2937         to compile-time "mode == <MODE>mode" checks.
2938         (and splitter): Ditto.
2940 2012-04-30  Richard Henderson  <rth@redhat.com>
2942         * config/arm/arm.md (UNSPEC_LL): New.
2943         * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
2944         (arm_load_exclusivedi): Use %H0.
2946 2012-04-30  Jason Merrill  <jason@redhat.com>
2948         * dwarf2out.c (comdat_symbol_id): Add const.
2949         (union die_symbol_or_type_node): Add const to die_symbol.
2950         (output_die_symbol, output_die, output_comp_unit): Adjust.
2952 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
2954         * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
2955         * config/arm/neon.md (negdi2_neon): New insn.
2956         Also add splitters for core and NEON registers.
2958 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
2960         * config/arm/arm.c (neon_valid_immediate): Allow const_int.
2961         (arm_print_operand): Add 'x' format.
2962         * config/arm/constraints.md (Dn): Allow const_int.
2963         * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
2964         Use 'x' format to print constants.
2965         * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
2966         * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
2967         is enabled.
2968         (movdi_vfp_cortexa8): Likewise.
2970 2012-04-30  Ian Bolton  <ian.bolton@arm.com>
2971             Sameera Deshpande  <sameera.deshpande@arm.com>
2972             Greta Yorsh  <greta.yorsh@arm.com>
2974         * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
2975         * config/arm/arm.c (ldm_stm_operation_p): New function.
2976         * config/arm/predicates.md (load_multiple_operation): Update predicate.
2977         (store_multiple_operation): Likewise.
2979         * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
2980         * config/arm/arm.c (ldm_stm_operation_p): New parameters.
2981         * config/arm/predicates.md (load_multiple_operation): Add arguments.
2982         (store_multiple_operation): Likewise.
2984 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2986         * config/i386/i386.md (and<mode>3): Expand masking operations with
2987         0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
2988         (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
2990 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
2992         Add -Wvarargs option
2993         * builtins.c (fold_builtin_next_arg):  Use OPT_Wvarargs as an
2994         argument for the various warning_at calls.
2995         * docs/invoke.texi: Update the documentation.
2997 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
2999         Switch -ftrack-macro-expansion=2 on by default.
3000         * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
3001         by default.
3003         Fix va_start related location
3004         * builtins.c (fold_builtin_next_arg): Unwinds to the first
3005         location in real source code.
3007         Make conversion warnings work on NULL with -ftrack-macro-expansion
3008         * input.h (expansion_point_location_if_in_system_header): Declare
3009         new function.
3010         * input.c (expansion_point_location_if_in_system_header): Define it.
3012         Fix -Wuninitialized for -ftrack-macro-expansion
3013         * tree-ssa.c (warn_uninit): Use the spelling location of the variable
3014         declaration.  Use linemap_location_before_p for source locations.
3016         Strip "<built-in>" loc from displayed expansion context
3017         * input.c (expand_location_1): When expanding to spelling location
3018         in a context of a macro expansion, skip reserved system header
3019         locations.  Update comments.  * tree-diagnostic.c
3020         (maybe_unwind_expanded_macro_loc): Likewise.
3022         Make expand_location resolve to locus in main source file
3023         * input.c (expand_location_1): New.  Takes a parameter to choose
3024         whether to resolve the location to spelling or expansion point.
3025         Was factorized from ...
3026         (expand_location): ... here.
3027         (expand_location_to_spelling_point): New.  Implemented in terms of
3028         expand_location_1.
3029         * diagnostic.c (diagnostic_build_prefix): Use the new
3030         expand_location_to_spelling_point instead of expand_location.
3032         Fix PCH crash on GTYed pointer-to-scalar field of a struct
3033         * gengtype.c (write_types_process_field): Force second argument of
3034         the call to the PCH object hierarchy walker to be 'x'.
3036 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
3038         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
3039         predicate to discriminate types.
3041 2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3043         * doc/invoke.texi (Wmissing-format-attribute): Document as an
3044         alias of Wsuggest-attribute=format.
3045         * c-typeck.c (convert_for_assignment): Replace
3046         Wmissing-format-attribute with Wsuggest-attribute=format.
3047         (digest_init): Likewise.
3049 2012-04-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3051         * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
3052         * common.opt (Wmissing-noreturn): Alias of
3053         -Wsuggest-attribute=noreturn.
3055 2012-04-29  Hans-Peter Nilsson  <hp@axis.com>
3057         PR target/53156
3058         * config/cris/cris.md (andqu): New peephole2.
3059         (andu): Tweak head comment.
3061 2012-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
3062             Steven Bosscher  <steven@gcc.gnu.org>
3063             Maxim Kuvyrkov  <maxim@codesourcery.com>
3065         PR tree-optimization/38785
3066         * common.opt (ftree-partial-pre): New option.
3067         * doc/invoke.texi: Document it.
3068         * opts.c (default_options_table): Initialize flag_tree_partial_pre.
3069         * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
3070         benefit speed path.
3071         (execute_pre): Use flag_tree_partial_pre.
3073 2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3075         PR target/52999
3076         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
3077         in constant pool.
3079 2012-04-27  Ollie Wild  <aaw@google.com>
3081         * doc/invoke.texi (Wliteral-suffix): Document new option.
3083 2012-04-27  Tom Tromey  <tromey@redhat.com>
3085         * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
3086         (dwarf_tag_name): Use get_DW_TAG_name.
3087         (dwarf_attr_name): Use get_DW_AT_name.
3088         (dwarf_form_name): Use get_DW_FORM_name.
3089         * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
3091 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
3093         * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
3094         arguments are -1 and 0, by negating the result of the conditional.
3096 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
3098         PR target/53138
3099         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
3101 2012-04-27  Richard Guenther  <rguenther@suse.de>
3103         * tree-flow.h (is_hidden_global_store): Remove.
3104         * tree-ssa-sink.c (is_hidden_global_store): Likewise.
3105         * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
3106         (stmt_may_clobber_global_p): Likewise.
3107         * tree-ssa-alias.c (ref_may_alias_global_p): New function.
3108         (stmt_may_clobber_global_p): Likewise.
3109         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
3110         stmt_may_clobber_global_p.
3111         * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
3113 2012-04-27  Steven Bosscher  <steven@gcc.gnu.org>
3115         * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
3116         place.
3118         * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
3119         reorganize some fields and update comments.  Rename bit_test_uniq
3120         and bit_test_count to uniq resp. count.  Remove bit_test_bb.
3121         (collect_switch_conv_info): New function, collects info about a
3122         GIMPLE_SWITCH into a struct switch_conv_info.
3123         (check_range): Simplify to use pre-recorded info.  Fix think-o in
3124         range-branch ratio check.
3125         (check_process_case): Remove function.
3126         (check_all_empty_except_final): New function, verifies that all
3127         non-final basic blocks are empty.
3128         (process_switch): Simplify to use pre-recorded info.  Call
3129         collect_switch_conv_info to do that.  Assert that degenerate switch
3130         statements have been cleaned up.
3132 2012-04-27  Marc Glisse  <marc.glisse@inria.fr>
3134         PR middle-end/27139
3135         * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
3137 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3139         PR c/53130
3140         * c-typeck.c (pop_init_level): Use %qD instead of %qT.
3142 2012-04-27  Tom de Vries  <tom@codesourcery.com>
3144         PR tree-optimization/51879
3145         * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
3146         * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
3147         of ...
3148         (defs_to_varying): ... here.  Don't set use_processed.
3149         (visit_reference_op_call): Handle gimple_vdef.
3150         Handle case that lhs is NULL_TREE.
3151         (visit_use): Use mark_use_processed.  Handle calls with side-effect
3152         using visit_reference_op_call.
3154 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
3156         * sched-deps.c (fixup_sched_groups): Rename to...
3157         (chain_to_prev_insn): ...this.
3158         (chain_to_prev_insn_p): New function.
3159         (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
3161 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
3163         * sched-int.h (_haifa_insn_data): Move priority_status.
3164         Add model_index.
3165         (INSN_MODEL_INDEX): New macro.
3166         * haifa-sched.c (insn_delay): New function.
3167         (sched_regno_pressure_class): Update commentary.
3168         (mark_regno_birth_or_death): Pass the liveness bitmap and
3169         pressure array as arguments, instead of using curr_reg_live and
3170         curr_reg_pressure.  Only update the pressure if the bit in the
3171         liveness set has changed.
3172         (initiate_reg_pressure_info): Always trust the live-in set for
3173         SCHED_PRESSURE_MODEL.
3174         (initiate_bb_reg_pressure_info): Update call to
3175         mark_regno_birth_or_death.
3176         (dep_list_size): Take the list as argument.
3177         (calculate_reg_deaths): New function, extracted from...
3178         (setup_insn_reg_pressure_info): ...here.
3179         (MODEL_BAR): New macro.
3180         (model_pressure_data, model_insn_info, model_pressure_limit)
3181         (model_pressure_group): New structures.
3182         (model_schedule, model_worklist, model_insns, model_num_insns)
3183         (model_curr_point, model_before_pressure, model_next_priority):
3184         New variables.
3185         (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
3186         (MODEL_INSN_INFO, MODEL_INSN): New macros.
3187         (model_index, model_update_limit_points_in_group): New functions.
3188         (model_update_limit_points, model_last_use_except): Likewise.
3189         (model_start_update_pressure, model_update_pressure): Likewise.
3190         (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
3191         (model_excess_cost, model_dump_pressure_points): Likewise.
3192         (model_set_excess_costs): Likewise.
3193         (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
3194         SCHED_PRIORITY_MODEL.  Use insn_delay.  Use the order in the model
3195         schedule as an alternative tie-breaker.  Update the call to
3196         dep_list_size.
3197         (ready_sort): Call model_set_excess_costs.
3198         (update_register_pressure): Update call to mark_regno_birth_or_death.
3199         Rely on that function to check liveness rather than doing it here.
3200         (model_classify_pressure, model_order_p, model_add_to_worklist_at)
3201         (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
3202         (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
3203         (model_record_pressure, model_record_pressures): New functions.
3204         (model_record_final_pressures, model_add_successors_to_worklist)
3205         (model_promote_predecessors, model_choose_insn): Likewise.
3206         (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
3207         (model_start_schedule, model_finalize_pressure_group): Likewise.
3208         (model_end_schedule): Likewise.
3209         (schedule_insn): Say when we're scheduling the next instruction
3210         in the model schedule.
3211         (schedule_insn): Handle SCHED_PRESSURE_MODEL.
3212         (queue_to_ready): Do not add instructions that are
3213         MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
3214         Always allow the next instruction in the model schedule to be added.
3215         (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
3216         and delay for SCHED_PRESSURE_MODEL too.
3217         (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
3218         SCHED_PRIORITY_MODEL, but also take the DFA into account.
3219         (schedule_block): Call model_start_schedule and model_end_schedule.
3220         Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
3221         (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3222         to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
3223         region_ref_regs.
3224         (sched_finish): Update accordingly.
3225         (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3226         to SCHED_PRESSURE_MODEL.
3227         (add_jump_dependencies): Update call to dep_list_size.
3228         (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
3229         (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3230         to SCHED_PRESSURE_MODEL.
3231         * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
3232         allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
3233         (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
3234         handling to SCHED_PRESSURE_MODEL.
3236 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
3238         * common.opt (fsched-pressure-algorithm=): New option.
3239         * flag-types.h (sched_pressure_algorithm): New enum.
3240         * sched-int.h (sched_pressure_p): Replace with...
3241         (sched_pressure): ...this new variable.
3242         * haifa-sched.c (sched_pressure_p): Replace with...
3243         (sched_pressure): ...this new variable.
3244         (sched_regno_pressure_class, rank_for_schedule, ready_sort)
3245         (update_reg_and_insn_max_reg_pressure, schedule_insn)
3246         (debug_ready_list, prune_ready_list, schedule_block, sched_init)
3247         (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
3248         * sched-deps.c (init_insn_reg_pressure_info): Likewise.
3249         (sched_analyze_insn): Likewise.
3250         * sched-rgn.c (schedule_region): Likewise.
3251         * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
3253 2012-04-26  Bernd Schmidt  <bernds@codesourcery.com>
3255         * PR middle-end/52997
3256         * ira.c (find_moveable_pseudos): Call resize_reg_info.
3258         PR middle-end/52940
3259         * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
3260         * expr.c (convert_move): Honor unsignedp when extending partial int
3261         modes.
3262         * genmodes.c (complete_mode): Don't clear component field of partial
3263         int modes.
3264         (emit_mode_inner): Don't emit it however.
3265         (calc_wider_mode): Partial int modes widen to their component.
3267 2012-04-26  David S. Miller  <davem@davemloft.net>
3269         * config/sparc/niagara4.md: New file.
3270         * config/sparc/sparc.md: Include it.
3271         * config/sparc/sparc.c (niagara4_costs): New processor costs.
3272         (sparc_option_override): Use it.
3273         (sparc_use_sched_lookahead): Return 2 for niagara4.
3274         (sparc_issue_rate): Likewise.
3276         * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
3277         (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
3278         (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
3279         fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
3280         (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
3281         alignaddrldi_vis): Set type to gsr.
3282         (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
3283         (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
3284         cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
3285         v<vis3_shift_patname><mode>3, fmean16_vis,
3286         fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
3287         fucmp<code>8<P:mode>_vis): Set type to fga.
3288         * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
3289         * config/sparc/niagara.md: Likewise.
3290         * config/sparc/niagara2.md: Likewise.
3291         * config/sparc/ultra3.md: Likewise, and fix type matching for
3292         us3_ialuX reservation.
3294 2012-04-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3296         * reload.c (find_reloads): Change the loop nesting when trying an
3297         alternative with swapped operands.
3299 2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3301         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
3302         comment. Delete unused parameter first_exp_point_map.
3303         (virt_loc_aware_diagnostic_finalizer): Update call.
3305 2012-04-26  Michael Hope  <michael.hope@linaro.org>
3306             Richard Earnshaw  <rearnsha@arm.com>
3308         * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
3309         (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
3310         (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
3311         (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
3313 2012-04-25  Sriraman Tallam  <tmsriram@google.com>
3315         * doc/extend.texi: Document avx2 support.
3316         * config/i386/i386.c (fold_builtin_cpu): Add avx2.
3318 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
3320         PR target/53120
3321         * config/cris/cris.md ("*andhi_lowpart_v32")
3322         ("*andqi_lowpart_v32"): Change first input-only operand from
3323         a (match_operand ...) to (match_dup 0).  Drop alternatives with
3324         const_int-matching constraints for redundancy.
3325         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
3326         three-operand alternative.
3328 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3330         PR target/53110
3331         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
3332         instead expand it as zero extension.
3334 2012-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3336         PR debug/52857
3337         * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
3339 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3341         * common.opt (flag_debug_types_section): Default to 0.
3342         (dwarf_version): Default to 4.
3343         (dwarf_record_gcc_switches): Default to 1.
3344         (dwarf_strict): Default to 0.
3345         * toplev.c (process_options): Don't handle dwarf_strict
3346         or dwarf_version here.
3347         * config/vxworks.c (vxworks_override_options): Don't
3348         test whether dwarf_strict or dwarf_version are negative,
3349         instead test !global_options_set.x_dwarf_*.
3350         * config/darwin.c (darwin_override_options): Default to
3351         dwarf_version 2.
3352         * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
3353         and -fno-debug-types-section are now the default.
3355 2012-04-25  Jan Hubicka  <jh@suse.cz>
3357         * cgraphunit.c: Update toplevel comment.
3358         (tree_rest_of_compilation): Merge into cgraph_expand_function.
3359         (cgraph_analyze_function): Make static.
3360         (cgraph_decide_is_function_needed): Make static.
3361         (cgraph_add_new_function): Use expand_function instead of
3362         rest_of_compilation.
3363         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
3364         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
3365         Move to cgraph.c
3366         (cgraph_inline_p): Remove.
3367         (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
3368         (init_cgraph): Add comment.
3369         * cgraphbuild.c (record_reference, mark_address, mark_load,
3370         mark_store): Do not call analyze_expr hook.
3371         * cgraph.c: Update toplevel comment.
3372         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
3373         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
3374         Move fere from cgraphunit.c
3375         (cgraph_mark_force_output_node): Move to cgraph.h
3376         * cgraph.h: Reorder so the comments match the function placement.
3377         (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
3378         (cgraph_mark_force_output_node): Move here from cgraph.c
3379         * tree.c (free_lang_data): Do not clear analyze_expr hook.
3380         * ipa-inline-transform.c (preserve_function_body_p): New function.
3381         (inline_transform): Update.
3382         * langhooks.c (lhd_callgraph_analyze_expr): Remove.
3383         * langhooks.h (lang_hooks_for_callgraph): Remove.
3384         (lang_hooks): Remove callgraph.
3385         * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
3386         * varpool.c: Remove out of date comment.
3387         * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
3388         (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
3390 2012-04-25  Jan Hubicka  <jh@suse.cz>
3392         PR middle-end/53089
3393         * cgraphunit.c (referred_to_p): Move ahead in file to avoid
3394         forward declaration.
3395         (cgraph_finalize_function): Finalize them here.
3396         * symtab.c (dump_symtab): Dump ctors and dtors.
3398 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3400         PR middle-end/52979
3401         * stor-layout.c (get_best_mode): Don't return mode with bitsize
3402         larger than maxbits.  Don't compute maxbits modulo align.
3403         Also check that unit bytes long store at bitpos / unit * unit
3404         doesn't affect bits beyond bitregion_end.
3405         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
3406         would not fit into bitregion_start ... bitregion_end + 1 bit region.
3407         (store_split_bit_field): Decrease unit close to end of bitregion_end
3408         if access is restricted in order to avoid mutual recursion.
3410         PR tree-optimization/53058
3411         * double-int.h (double_int_max_value, double_int_min_value): New
3412         prototypes.
3413         * double-int.c (double_int_max_value, double_int_min_value): New
3414         functions.
3415         * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
3416         or GT_EXPR with double_int_max_value instead of double_int_mask.
3418 2012-04-25  Richard Guenther  <rguenther@suse.de>
3420         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
3421         * tree-vect-loop.c (vect_transform_loop): Adjust.
3422         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
3423         the maximum number of iterations for the epilogue loop.
3424         (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
3426 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3428         PR c/52880
3429         * c-typeck.c (set_nonincremental_init,
3430         set_nonincremental_init_from_string): Pass true instead of false
3431         as IMPLICIT to add_pending_init.
3433 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3435         * c-typeck.c (pop_init_level): Improve diagnostics.
3437 2012-04-25  Uros Bizjak  <ubizjak@gmail.com>
3439         * compare-elim.c (try_eliminate_compare): Also handle operands with
3440         implicit extensions.
3442 2012-04-25  Alan Modra  <amodra@gmail.com>
3444         * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
3445         V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
3446         SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
3447         (no_global_regs_above): Delete.
3448         (no_global_regs): New function.
3449         (rs6000_savres_strategy): Handle vector regs.  Use proper lr_save_p
3450         value for load multiple test.
3451         (savres_routine_syms): Increase size.
3452         (rs6000_savres_routine_name, rs6000_savres_routine_sym,
3453         ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
3454         rather than a number of boolean flags.  Update all callers.
3455         (rs6000_savres_routine_name): Generate vector save/restore names.
3456         (rs6000_savres_routine_sym): Handle vector regs.  Delete forward decl.
3457         (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
3458         (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
3459         and using_store_multiple.  Expand uses.  Don't always use r11 as
3460         frame reg when needed for out-of-line saves.  Set up initial offset
3461         for out-of-line vector saves when buying stack frame.  Handle pointer
3462         reg setup for out-of-line fp save.  Emit call to out-of-line vector
3463         save function.  Choose r11 or r12 for vrsave reg when available for
3464         better scheduling.
3465         (rs6000_output_function_prologue): Don't emit .extern for ELF.
3466         (rs6000_emit_epilogue): Choose a better frame reg when restoring
3467         from back-chain to suit out-of-line vector restore functions.  Emit
3468         call to out-of-line vector restore function.  Adjust register used
3469         for cr restore.  Tweak pointer register setup for gpr restore.
3470         * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
3471         FIXED_R13.
3472         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
3473         (V_SAVE_INLINE): Define.
3474         * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
3476 2012-04-25  Alan Modra  <amodra@gmail.com>
3478         * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
3479         out-of-line save/restore for large frames.  Don't disable
3480         out-of-line saves on ABI_AIX when using static chain reg.
3481         (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
3482         clobber static chain reg, and tweak for out-of-line gpr saves
3483         that use r1.
3485 2012-04-25  Alan Modra  <amodra@gmail.com>
3487         * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
3488         (rs6000_emit_prologue): Use the above to catch register overlap.
3490 2012-04-25  Alan Modra  <amodra@gmail.com>
3492         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
3493         decl.  Move logic selecting update reg to callers.  Update all callers.
3494         (rs6000_emit_allocate_stack): Add copy_off param.
3495         (emit_frame_save): Don't handle reg+reg addressing.
3496         (ptr_regno_for_savres): New function, extracted from..
3497         (rs6000_emit_savres_rtx): ..here.  Add lr_offset param.
3498         (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
3499         Set frame_reg_rtx to r11 whenever r11 is needed, and merge
3500         frame offset adjustment for out-of-line save with copy from sp.
3501         Simplify condition controlling whether cr is saved early or
3502         late.  Use ptr_regno_for_savres to verify correct reg is set
3503         up for out-of-line saves.  Pass the actual pointer reg used to
3504         rs6000_emit_savres_rtx so rtl matches insns in out-of-line
3505         function.  Rearrange spe vars so code is similar to that
3506         elsewhere in this function.  Don't update frame_off when spe
3507         save code will restore r11.  Use emit_frame_save for spe and
3508         gpr saves.  Consolidate darwin out-of-line gpr setup with that
3509         for other abis.  Don't assume frame_offset is zero and frame
3510         reg is sp when setting up altivec reg saves, and calculate
3511         exact offset requirement.
3512         (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off.  Tidy
3513         spe restore code.  Consolidate darwin out-of-line gpr setup
3514         with that for other abis.
3516 2012-04-25  Alan Modra  <amodra@gmail.com>
3518         * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
3519         REG_FRAME_RELATED_EXPR note when the instruction exactly matches
3520         the replacement.
3521         (emit_frame_save): Delete frame_ptr param.  Rename total_size to
3522         frame_reg_to_sp.
3523         (rs6000_emit_prologue): Add sp_off.  Update rs6000_frame_related
3524         and emit_frame_save calls.  Cope with possibly missing note.
3526 2012-04-24  Sriraman Tallam  <tmsriram@google.com>
3528         * config/i386/i386.c (build_processor_model_struct): New function.
3529         (make_var_decl): New function.
3530         (fold_builtin_cpu): New function.
3531         (ix86_fold_builtin): New function.
3532         (make_cpu_type_builtin): New function.
3533         (ix86_init_platform_type_builtins): New function.
3534         (ix86_expand_builtin): Expand new builtins by folding them.
3535         (ix86_init_builtins): Make new builtins to detect CPU type.
3536         (TARGET_FOLD_BUILTIN): New macro.
3537         (IX86_BUILTIN_CPU_INIT): New enum value.
3538         (IX86_BUILTIN_CPU_IS): New enum value.
3539         (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
3540         * config/i386/i386-builtin-types.def: New function type.
3541         * testsuite/gcc.target/builtin_target.c: New testcase.
3542         * doc/extend.texi: Document builtins.
3544 2012-04-24  Olivier Hainque  <hainque@adacore.com>
3546         * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
3547         * toplev.c (process_options): Default to dwarf_version 2.
3548         * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
3549         and dwarf_version 2.
3551 2012-04-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3553         * tree-pretty-print.h (default_tree_printer): Do not declare.
3554         * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
3555         intl.h.
3556         (default_tree_diagnostic_starter): Make static.
3557         (default_tree_printer): Move to here. Make static.
3558         (tree_diagnostics_defaults): New.
3559         * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
3560         * tree.c (free_lang_data): Use tree_diagnostics_defaults.
3561         * toplev.c: Do not include tree-pass.h.
3562         (default_tree_printer): Move from here.
3563         (general_init): Use tree_diagnostics_defaults.
3565 2012-04-24  Chao-ying Fu  <fu@mips.com>
3567         * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
3568         (mips*-*-linux*): Append mips/linux-common.h to tm_file.
3569         * config/mips/gnu-user.h
3570         (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
3571         (GNU_USER_TARGET_LINK_SPEC): New define.
3572         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
3573         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
3574         (GNU_USER_TARGET_MATHFILE_SPEC): New define.
3575         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
3576         GNU_USER_TARGET_ENDFILE_SPEC.
3577         * config/mips/gnu-user64.h (LIB_SPEC): Remove.
3578         (GNU_USER_TARGET_LINK_SPEC): New define.
3579         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
3580         * config/mips/linux-common.h: New file.
3582 2012-04-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3584         PR target/47197
3585         * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
3586         (altivec_build_resolved_builtin): Call fully_fold_convert.
3588 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
3590         PR target/53065
3591         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
3593 2012-04-24  Richard Guenther  <rguenther@suse.de>
3595         PR tree-optimization/53085
3596         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
3597         stores.
3599 2012-04-24  Richard Guenther  <rguenther@suse.de>
3601         * tree-if-conv.c (main_tree_if_conversion): Move bb under
3602         ENABLE_CHECKING.
3604 2012-04-24  Jim Meyering  <meyering@redhat.com>
3606         * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
3607         absence of an define_enum call.
3609 2012-04-24  Richard Guenther  <rguenther@suse.de>
3611         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
3612         the epilogue loop is not re-used as unvectorized version
3613         record the its maximum number of iterations.
3615 2012-04-24  Andrew Pinski  <apinski@cavium.com>
3617         * tree-ssa-forwprop.c (simplify_bitwise_binary):
3618         Don't directly use def1/def2.
3620 2012-04-24  Richard Guenther  <rguenther@suse.de>
3622         PR tree-optimization/53098
3623         * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
3624         comparison sign.
3626 2012-04-24  Andrew Pinski  <apinski@cavium.com>
3628         PR tree-opt/33512
3629         * tree-ssa-forwprop.c (defcodefor_name): New function.
3630         (simplify_bitwise_binary): Use defcodefor_name instead of manually
3631         Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
3632         Simplify "(~X | Y) & X" to "X & Y" and
3633         "(~X & Y) | X" to "X | Y".
3635 2012-04-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3637         * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
3638         validate_change to add clobbers if IN_GROUP is nonzero.
3639         (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
3640         * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
3641         prototype.
3642         * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
3643         set to false.
3644         * config/s390/s390.c (insn_invalid_p): Likewise.
3646 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
3648         PR middle-end/53084
3649         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
3650         (output_addressed_constants): Likewise.
3652         PR middle-end/52999
3653         * varasm.c (get_section): Don't ICE for section conflicts with
3654         built-in section kinds.
3656 2012-04-23  DJ Delorie  <dj@redhat.com>
3658         * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
3659         (LIBSTDCXX): Change to CPP2.
3661 2012-04-23  H.J. Lu  <hongjiu.lu@intel.com>
3663         PR bootstrap/52878
3664         * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
3665         extra_masks.
3667 2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
3669         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
3670         (*addsi_2_zext): Ditto.
3671         (*add<mode>_3): Ditto.
3672         (*addsi_3_zext): Ditto.
3673         (*add<mode>_5): Ditto.
3675 2012-04-23  Andrew Pinski  <apinski@cavium.com>
3677         * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
3678         (C & B) to (A OP0) & B.
3680 2012-04-23  Martin Jambor  <mjambor@suse.cz>
3682         * expr.c (expand_expr_real_1): Remove setting parent's alias set for
3683         temporaries created for a bitfield (reverting revision 122014).
3685 2012-04-23  Richard Guenther  <rguenther@suse.de>
3687         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
3688         the condition using is_gimple_condexpr and avoid the not necessary
3689         boolification.
3690         (set_prologue_iterations): Likewise.
3691         (vect_loop_versioning): Likewise.
3693 2012-04-23  Richard Guenther  <rguenther@suse.de>
3695         PR tree-optimization/53070
3696         * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
3697         (main_tree_if_conversion): Verify we succeeded in that.
3699 2012-04-23  Jan Hubicka  <jh@suse.cz>
3701         * lto-symtab.c (lto_cgraph_replace_node): Do not call
3702         mark_reahcable_node.
3703         * cgraph.c (cgraph_remove_node): Do not clear reachable.
3704         (cgraph_mark_reachable_node): Remove.
3705         (cgraph_mark_force_output_node): Do not set reachable.
3706         (dump_cgraph_node): Do not dump reachable.
3707         (cgraph_create_virtual_clone): Do not set reachable.
3708         * cgraph.h (cgraph_node): Remove reachable flag.
3709         (varpool_node): Remove reachable flag.
3710         (cgraph_mark_if_needed): Remove.
3711         (cgraph_mark_reachable_node): Remove.
3712         * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
3713         * cgraphunit.c (cgraph_finalize_function): Do not mark node as
3714         reachable.
3715         (cgraph_add_new_function): Likewise.
3716         (cgraph_mark_if_needed): Remove.
3717         (cgraph_analyze_function): Do not set target as reachable.
3718         (process_function_and_variable_attributes): Do not care about
3719         dllexport.
3720         (cgraph_analyze_functions): Do not set reachable flags.
3721         (cgraph_mark_functions_to_output): Do not check reachability.
3722         (cgraph_copy_node_for_versioning): Do not set reachable flag.
3723         (dbxout_expand_expr): Update.
3724         * c-decl.c (merge_decls): Do not track changed externs.
3725         * ipa.c: Include pointer-set.h
3726         (enqueue_cgraph_node): Use reachable pointer set.
3727         (process_references): Likewise.
3728         (cgraph_remove_unreachable_nodes): Likewise.
3729         (whole_program_function_and_variable_visibility): Do not recompute
3730         reachable.
3731         * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
3733 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
3735         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
3737 2012-04-23  Richard Guenther  <rguenther@suse.de>
3739         PR c/53060
3740         * c-typeck.c (build_binary_op): Fix typo.
3742 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
3744         PR tree-optimizations/52891
3745         * tree-vect-patterns.c (adjust_bool_pattern): Use
3746         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
3747         but with non-standard precision.
3749 2012-04-22  Jan Hubicka  <jh@suse.cz>
3751         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
3752         tree refs.
3754 2012-04-22  Jan Hubicka  <jh@suse.cz>
3756         * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
3757         * cgraphbuild.c (record_reference, record_type_list, mark_address,
3758         mark_load, mark_store): Do not mark varpool nodes as needed.
3759         * cgraph.c (cgraph_new_nodes): Remove.
3760         (cgraph_create_function_alias): Do not mark nodes as reachable.
3761         (cgraph_add_thunk): Likewise.
3762         (cgraph_mark_reachable_node): Do not manage the queue.
3763         * cgraph.h (cgraph_node): Remove next_needed.
3764         (varpool_nodes_queue): Remove next_needed and prev_needed.
3765         (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
3766         (cgraph_new_nodes): Declare.
3767         (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
3768         (varpool_analyze_pending_decls): Remove.
3769         (varpool_analyze_node): New.
3770         (varpool_mark_needed_node): Remove.
3771         (varpool_first_variable, varpool_next_variable): New inlines.
3772         (varpool_first_static_initializer, varpool_next_static_initializer):
3773         Update.
3774         (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
3775         (varpool_first_defined_variable): New inline.
3776         (varpool_next_defined_variable): New inline
3777         (FOR_EACH_VARIABLE): Reimplement.
3778         (FOR_EACH_DEFINED_VARIABLE): Reimplement.
3779         * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
3780         needed flag.
3781         * cgraphunit.c (cgraph_new_nodes): Declare here.
3782         (enqueue_node): New function.
3783         (cgraph_process_new_functions): update for new
3784         node set; when constructing cgraph enqueue node for processing.
3785         (cgraph_add_new_function): Use new node set.
3786         (process_function_and_variable_attributes): Do not set varpool needed
3787         flags.
3788         (referred_to_p): New function.
3789         (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
3790         when varpool is in construction.
3791         (cgraph_analyze_functions): Rewrite.
3792         (cgraph_expand_all_functions): Update.
3793         (cgraph_output_in_order): Do not analyze pending decls; do not set
3794         needed flags.
3795         (cgraph_optimize): Do not analyze pending decls.
3796         * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
3797         in other partition; do not mark node as needed.
3798         * dwarf2out.c (reference_to_unused): Use analyzed flag.
3799         (premark_types_used_by_global_vars_helper): Likewise.
3800         * ipa.c (process_references): Do not call varpool_mark_needed_node.
3801         (cgraph_remove_unreachable_nodes): Do not rely on varpool and
3802         cgrpah queues.
3803         (function_and_variable_visibility): Do not mark node as needed.
3804         (whole_program_function_and_variable_visibility): Likewise.
3805         * Makefile.in (gt-varpool.h): No longer needed.
3806         * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
3807         (ipa_write_summaries): Do not use needed flag.
3808         * varpool.c: Do not include gt-varpool.h
3809         (x_varpool_nodes_queue, x_varpool_last_needed_node,
3810         x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
3811         x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
3812         Remove.
3813         (varpool_remove_node): Do not update the lists.
3814         (dump_varpool_node): Do not dump needed flag.
3815         (varpool_enqueue_needed_node): Remove.
3816         (varpool_mark_needed_node): Remove.
3817         (varpool_reset_queue): Remove.
3818         (varpool_finalize_decl): Move to cgraphunit.c
3819         (varpool_analyze_node): New functions based on former
3820         varpool_analyze_pending_decls.
3821         (varpool_analyze_pending_decls): Remove.
3822         (varpool_assemble_decl): Do not update the lists.
3823         (enqueue_node): New function.
3824         (varpool_remove_unreferenced_decls): Rewrite.
3825         (varpool_empty_needed_queue): Remove.
3826         (add_new_static_var): Do not mark node as needed.
3827         (varpool_create_variable_alias): Handle expansion state
3828         creation.
3829         * except.c (output_ttype): Do not mark node as needed.
3830         * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
3831         * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
3832         Likewise.
3833         * tree-switch-conversion.c (build_one_array): Likewise.
3835 2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3837         PR c/44774
3838         * doc/invoke.texi (pedantic): Rename to Wpedantic.
3839         * common.opt (Wpedantic): New.
3840         (pedantic): Alias Wpedantic.
3841         * diagnostic.c (warning_at): Likewise.
3842         * c-decl.c (diagnose_mismatched_decls): Likewise.
3843         (build_array_declarator): Likewise.
3844         (mark_forward_parm_decls):
3845         (check_bitfield_type_and_width): Likewise.
3846         (grokdeclarator): Likewise.
3847         (grokfield): Likewise.
3848         (finish_struct): Likewise.
3849         (build_enumerator): Likewise.
3850         (store_parm_decls_oldstyle): Likewise.
3851         (declspecs_add_qual): Likewise.
3852         (declspecs_add_type): Likewise.
3853         (finish_declspecs): Likewise.
3854         * c-typeck.c (composite_type): Likewise.
3855         (comp_target_types): Likewise.
3856         (build_array_ref): Likewise.
3857         (pointer_diff): Likewise.
3858         (build_unary_op): Likewise.
3859         (build_conditional_expr): Likewise.
3860         (build_c_cast): Likewise.
3861         (convert_for_assignment): Likewise.
3862         (maybe_warn_string_init): Likewise.
3863         (digest_init): Likewise.
3864         (pop_init_level): Likewise.
3865         (set_init_index): Likewise.
3866         (c_finish_goto_label): Likewise.
3867         (c_finish_return): Likewise.
3868         (do_case): Likewise.
3869         (build_binary_op): Likewise.
3870         * c-parser.c (static): Likewise.
3871         (c_parser_external_declaration): Likewise.
3872         (c_parser_declaration_or_fndef): Likewise.
3873         (c_parser_static_assert_declaration_no_se): Likewise.
3874         (c_parser_enum_specifier): Likewise.
3875         (c_parser_struct_or_union_specifier): Likewise.
3876         (c_parser_struct_declaration): Likewise.
3877         (c_parser_alignas_specifier): Likewise.
3878         (c_parser_braced_init): Likewise.
3879         (c_parser_initelt): Likewise.
3880         (c_parser_compound_statement_nostart): Likewise.
3881         (c_parser_conditional_expression): Likewise.
3882         (c_parser_alignof_expression): Likewise.
3883         (c_parser_postfix_expression): Likewise.
3884         (c_parser_postfix_expression_after_paren_): Likewise.
3885         (c_parser_objc_class_instance_variables): Likewise.
3886         (c_parser_objc_method_definition): Likewise.
3887         (c_parser_objc_methodprotolist): Likewise.
3889 2012-04-22  Ian Lance Taylor  <iant@google.com>
3891         * godump.c (go_output_typedef): Dump size of structs.
3893 2012-04-22  Razya Ladelsky  <razya@il.ibm.com>
3895         Correcting transform_to_exit_first_loop + fix to PR46886
3896         * tree-parloops.c (transform_to_exit_first_loop): Remove
3897         setting of number of iterations according to the loop pattern.
3898         Duplicate from entry to exit->src instead of loop->latch.
3899         (pallelize_loops): Remove the condition preventing do-while loops.
3900         * tree-cfg.c (bool bb_in_region_p): New.
3901         (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
3902         Adjust redirection of the duplicated iteration.
3904 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
3906         PR bootstrap/53021
3907         * rtl.def (ADDRESS): Use "i" rather than "w".
3908         * rtl.h (find_base_term): Delete.
3909         (may_be_sp_based_p): Declare.
3910         * rtl.c (rtx_code_size): Remove ADDRESS special case.
3911         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
3912         (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
3913         * alias.c: ...here.
3914         (find_base_term): Make static.
3915         (may_be_sp_based_p): New function.
3916         * dse.c (record_store): Use it.
3917         * store-motion.c (store_killed_in_insn): Likewise.
3919 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
3921         * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
3923 2012-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3925         PR 35441
3926         * c-typeck.c (inform_declaration): New.
3927         (build_function_call_vec):  Do not pretty-print
3928         expressions when caret is enabled.
3929         (convert_arguments): Use inform_declaration.
3931 2012-04-20  Jim Meyering  <meyering@redhat.com>
3933         * genmodes.c (make_complex_modes): Don't truncate a mode name of
3934         length 7 or more when prepending a "C".  Suggested by Richard Guenther.
3936 2012-04-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3938         PR rtl-optimization/44214
3939         * fold-const.c (exact_inverse): New function.
3940         (fold_binary_loc): Fold vector and complex division by constant into
3941         multiply by recripocal with flag_reciprocal_math; fold vector division
3942         by constant into multiply by reciprocal with exact inverse.
3944 2012-04-20  Jan Hubicka  <jh@suse.cz>
3946         * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
3947         force flags.
3948         * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
3949         (cgraph_remove_node): Update.
3950         (cgraph_mark_needed_node): Remove.
3951         (cgraph_mark_force_output_node): New.
3952         (dump_cgraph_node): Do not dump needed flag.
3953         (cgraph_node_cannot_be_local_p_1): Update.
3954         (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
3955         * cgraph.h (symtab_node_base): Add force_output flag.
3956         (cgraph_node): Remove needed flag.
3957         (varpool_node): Remove force_output flag.
3958         (cgraph_mark_needed_node): Remove.
3959         (cgraph_mark_force_output_node): New.
3960         (cgraph_only_called_directly_or_aliased_p,
3961         varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
3962         * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
3963         * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
3964         (cgraph_add_new_function): Update.
3965         (cgraph_mark_if_needed): Update.
3966         (verify_cgraph_node): Update.
3967         (cgraph_analyze_function): Alias target is reachable.
3968         (process_function_and_variable_attributes): Update: externally_visible
3969         flag makes function reachable.
3970         (cgraph_analyze_functions): Update dumping.
3971         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
3972         input_overwrite_node, input_varpool_node): Update streaming.
3973         * lto-streamer-out.c (produce_symtab): Use force_output.
3974         * ipa.c (process_references): Weakrefs must be processed.
3975         (cgraph_remove_unreachable_nodes): Likewise; update for new
3976         force_output flag.
3977         (varpool_externally_visible_p): Weakrefs are externally visible
3978         even if they are not.
3979         (function_and_variable_visibility): Update; when processing alias
3980         pair force the targets to be output.
3981         (whole_program_function_and_variable_visility): Use
3982         mark_reachable_node.
3983         * trans-mem.c (ipa_tm_mark_needed_node): Remove
3984         (ipa_tm_mark_force_output_node): New function.
3985         (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
3986         * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
3987         aliases.
3988         * varasm.c (mark_decl_referenced): Update.
3989         (find_decl_and_mark_needed): Remove.
3990         (find_decl): New function.
3991         (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
3992         alias targets as needed.
3993         (dump_tm_clone_pairs): Update.
3994         * tree-inline.c (copy_bb): Update check.
3995         * symtab.c (dump_symtab_base): Dump force_output.
3996         * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
3997         * passes.c (execute_todo): Fix dumping.
3998         * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
3999         (varpool_analyze_pending_decls): Alias target is reachable.
4000         (varpool_create_variable_alias): Finalize weakrefs.
4002 2012-04-20  Jakub Jelinek  <jakub@redhat.com>
4004         PR bootstrap/53021
4005         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
4006         UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
4007         * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
4008         macros instead of constants.
4009         * dse.c (record_store): Check for SP ADDRESS by comparing
4010         XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
4011         XEXP to be stack_pointer_rtx.
4013 2012-04-20  Richard Guenther  <rguenther@suse.de>
4015         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
4016         update_call_from_tree when propagating into a call.
4018 2012-04-20  Alan Modra  <amodra@gmail.com>
4020         * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
4021         (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.  Rename
4022         sp_offset to frame_off.  Move world save code earlier.
4024 2012-04-20  Richard Guenther  <rguenther@suse.de>
4026         PR tree-optimization/53050
4027         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
4028         Do only one transform on COND_EXPRs at the same time.
4030 2012-04-19  Jan Hubicka  <jh@suse.cz>
4032         * symtab.c (dump_symtab_base): Revert accidental checkin.
4034 2012-04-20  Alan Modra  <amodra@gmail.com>
4036         PR target/53040
4037         * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
4038         static chain, set REST_INLINE_FPRS too.
4040 2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>
4042         * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
4043         nodes.
4045 2012-04-20  Richard Guenther  <rguenther@suse.de>
4047         * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
4048         loops that can never run more often than the vectorization factor.
4050 2012-04-19  Jan Hubicka  <jh@suse.cz>
4052         * symtab.c (dump_symtab_base): Fix dumping of asm lists.
4054 2012-04-19  David Edelsohn  <dje.gcc@gmail.com>
4056         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
4058 2012-04-19  Jim Meyering  <meyering@redhat.com>
4060         * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
4061         We verified above that the string(including trailing NUL) fits in buf,
4062         so just use memcpy.
4064 2012-04-19  Richard Guenther  <rguenther@suse.de>
4066         * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
4067         for dumping DECL_SECTION_NAME.
4069 2012-04-19  Michael Matz  <matz@suse.de>
4071         PR middle-end/52977
4072         * tree.h (VECTOR_CST_NELTS): Use part number of types again.
4073         (struct tree_vector): Adjust GTY length.
4074         * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
4076         * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
4077         members.
4078         (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
4079         caller emitted the length calulation already.
4080         (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
4081         before handling any of the fields for structs.
4083 2012-04-19  Richard Guenther  <rguenther@suse.de>
4085         PR tree-optimization/53031
4086         * tree-vrp.c (adjust_range_with_scev): Revert back to
4087         using max_loop_iterations.
4089 2012-04-19  Michael Matz  <matz@suse.de>
4091         * diagnostic.c (emit_diagnostic): Move va_end call after user
4092         of the va_list.
4093         (warning, warning_at, pedwarn, permerror): Ditto.
4095 2012-04-19  Richard Guenther  <rguenther@suse.de>
4097         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
4098         array access.
4100 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
4102         PR target/53033
4103         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
4104         the case *(X+const).
4106 2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4108         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
4110 2012-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4112         PR c/52283/37985
4113         * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
4114         * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
4116 2012-04-19  Richard Guenther  <rguenther@suse.de>
4118         PR rtl-optimization/44688
4119         * loop-iv.c (determine_max_iter): Only return max_iter.
4120         (iv_number_of_iterations): Also use the recorded loop bound
4121         on the maximum number of iterations.
4122         * loop-unroll.c (decide_unroll_runtime_iterations): Use
4123         max_iter to avoid unrolling loops that do not roll.
4124         (decide_unroll_stupid): Likewise.
4126 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
4128         * targhooks.c (default_case_values_threshold): Fix code style nit.
4130         * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
4131         case range and type folding from here...
4132         * gimplify.c (gimplify_switch_expr): ... to here.  Expect NULL_TREE
4133         type, as documented in tree.def.
4135 2012-04-18  Jan Hubicka  <jh@suse.cz>
4137         * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
4138         Declare.
4139         * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
4140         cgraph hash and same comdat groups.
4141         (cgraph_optimize): Verify symbol table.
4142         * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
4143         (dissolve_same_comdat_group_list): Work on symtab nodes.
4144         (function_and_variable_visibility): Dissolve variable same comdat group
4145         lists, too.
4146         * symtab.c: Include timevar.h
4147         (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
4149 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
4151         * tree-switch-conversion.c (info): Remove global pass info.
4152         (check_range, check_process_case, check_final_bb, create_temp_arrays,
4153         free_temp_arrays, gather_default_values, build_constructors,
4154         array_value_type, build_one_array, build_arrays, gen_def_assigns,
4155         fix_phi_nodes, gen_inbound_check): Pass info around from ...
4156         (process_switch): ... here.  Unify message format.  Return a const
4157         char pointer to the failure reason message.
4158         (do_switchconv): Unify message format.  Update process_switch usage.
4160         * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
4161         * tree-cfg.c (edge_to_cases): Fix documentation.
4163 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
4165         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
4167 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4169         PR tree-optimization/52976
4170         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
4171         (possibly_move_powi): New function.
4172         (rewrite_expr_tree): Call possibly_move_powi.
4173         (rewrite_expr_tree_parallel): Likewise.
4174         (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
4175         call add_to_ops_vec instead.
4177 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4179         PR tree-optimization/52976
4180         * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
4181         (decrement_power): Likewise.
4182         (propagate_op_to_single_use): Likewise.
4183         (zero_one_operation): Handle __builtin_pow* calls in linearized
4184         expression trees; factor logic into propagate_op_to_single_use.
4185         (undistribute_ops_list): Allow operands with repeat counts > 1.
4187 2012-04-18  Richard Guenther  <rguenther@suse.de>
4189         PR tree-optimization/44688
4190         * cfgloop.h (record_niter_bound): Declare.
4191         * tree-ssa-loop-niter.c (record_niter_bound): Export.
4192         Update the estimation with the upper bound here...
4193         (estimate_numbers_of_iterations_loop): ... instead of here.
4194         Do not forcefully reset a recorded upper bound.
4195         * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
4196         Record the maximum number of loop iterations of the prologue loop.
4198 2012-04-18  Jan Hubicka  <jh@suse.cz>
4200         * lto-symtab.c (lto_cgraph_replace_node): Update.
4201         * cgraphbuild.c (record_reference, record_type_list,
4202         record_eh_tables, mark_address, mark_load, mark_store): Update.
4203         * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
4204         cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
4205         Update.
4206         * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
4207         (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
4208         * reload.c: Fix typo in comment.
4209         * rtlanal.c: Likewise.
4210         * tree-emultls.c (gen_emutls_addr): Update.
4211         * ipa-reference.c (analyze_function): Update.
4212         * cgraphunit.c (cgraph_analyze_function,
4213         cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
4214         Update.
4215         * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
4216         (ipa_remove_reference): Likewise.
4217         (ipa_remove_all_refering): Rename to ...
4218         (ipa_remove_all_referring): ... this one; update.
4219         (ipa_dump_references): Update.
4220         (ipa_dump_referring): Update.
4221         (ipa_clone_references): Update.
4222         (ipa_clone_refering): Rename to ...
4223         (ipa_clone_referring): ... this one; update.
4224         (ipa_ref_cannot_lead_to_return): Update.
4225         (ipa_ref_has_aliases_p): Update.
4226         * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
4227         forward typedefs.
4228         (ipa_ref_type): Remove.
4229         (ipa_ref_ptr_u): Remove.
4230         (ipa_ref): Remove referencing, refered, refered_index, refering_type
4231         and refered_type; add referring, referred and referred_index.
4232         (ipa_ref_list): Rename refering to referring.
4233         (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
4234         ipa_clone_references, ipa_clone_referring): Update prototypes.
4235         * lto-cgraph.c (referenced_from_other_partition_p): Update.
4236         (lto_output_ref): Update.
4237         (add_references): Update.
4238         (input_varpool_node): Update.
4239         (input_refs): Update.
4240         * ipa-ref-inline.h (ipa_ref_node): Update.
4241         (ipa_ref_varpool_node): Update.
4242         (ipa_ref_referring_node): Update.
4243         (ipa_ref_referring_varpool_node): Update.
4244         (ipa_ref_referring_ref_list): Update.
4245         (ipa_ref_referred_ref_list): Update.
4246         (ipa_ref_list_first_referring): Update.
4247         (ipa_empty_ref_list): Update.
4248         (ipa_ref_list_refering_iterate): Rename to ...
4249         (ipa_ref_list_referring_iterate): ... this one.
4250         * cse.c: Update comment.
4251         * ipa-utils.c (ipa_reverse_postorder): Update.
4252         * tree-ssa-alias.c: Update.
4253         * ipa-inline.c (reset_edge_caches): Update.
4254         (update_caller_keys): Update.
4255         * ipa-inline.h: Update comments.
4256         * jump.c: Update comment.
4257         * alias.c: Likewise.
4258         * ipa.c (process_references): Update.
4259         (cgraph_remove_unreachable_nodes): Likewise.
4260         (ipa_discover_readonly_nonaddressable_var): Likewise.
4261         (cgraph_address_taken_from_non_vtable_p): Likewise.
4262         * trans-mem.c (ipa_tm_execute): Update.
4263         * simplify-rtx.c: Fix comment.
4264         * rtl.c: Fix comment.
4265         * symtab.c (symtab_unregister_node): Update.
4266         * varpool.c (dump_varpool_node): Update.
4267         (varpool_analyze_pending_decls): Update.
4268         (assemble_aliases): Update.
4269         (varpool_for_node_and_aliases): Update.
4271 2012-04-18  Richard Guenther  <rguenther@suse.de>
4273         * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
4274         use_undefined_p parameter.
4275         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
4276         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
4277         Likewise.
4278         (estimate_numbers_of_iterations): Likewise.
4279         (estimated_loop_iterations): Adjust.
4280         (max_loop_iterations): Likewise.
4281         (scev_probably_wraps_p): Likewise.
4282         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
4283         * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
4284         not max_loop_iterations.
4285         (execute_vrp): Remove explicit number of iterations estimation.
4287 2012-04-18  Enkovich Ilya  <ilya.enkovich@intel.com>
4289         * config/i386/linux-common.h: New.
4291         * config.gcc: Add i386/linux-common.h before
4292         all i386/linux.h and i386/linux64.h usages.
4294         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
4295         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
4296         * config/i386/gnu-user64.h: Likewise.
4298         * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
4299         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
4300         (GNU_USER_TARGET_MATHFILE_SPEC): New.
4301         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
4303 2012-04-18  Jan Hubicka  <jh@suse.cz>
4305         * cgraph.c (cgraph_node_name): Remove.
4306         (dump_cgraph_node): Use dump_symtab_base; reformat.
4307         * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
4308         debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
4309         Declare.
4310         (cgraph_node_name, varpool_node_name): Remove.
4311         (cgraph_node_asm_name, varpool_node_asm_name,
4312         cgraph_node_name, varpool_node_name): New.
4313         * tree-pass.h (TODO_dump_cgraph): Rename to ...
4314         (TODO_dump_symtab): ... this one.
4315         * ipa-cp (pass_ipa_cp): Update.
4316         * ia-reference.c (generate_summary, read_write_all_from_decl,
4317         propagate, ipa_reference_read_optimization_summary): Update.
4318         * cgraphunit.c (cgraph_analyze_functions): Update.
4319         (cgraph_optimize): Update.
4320         * ipa-ref.c (ipa_dump_references): Update.
4321         (ipa_dump_refering): Update.
4322         * ipa-inline.c (pass_ipa_inline): Update.
4323         * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
4324         * ipa.c (pass_ipa_function_visibility,
4325         pass_ipa_whole_program_visibility): Update.
4326         * tree-sra.c (pass_early_ipa_sra): Update.
4327         * symtab.c: Include langhooks.h
4328         (symtab_node_asm_name): New.
4329         (symtab_node_name): New.
4330         (symtab_type_names): New static var.
4331         (dump_symtab_base): New.
4332         (dump_symtab_node, dump_symtab): New.
4333         (debug_symtab_node,  debug_symtab): New.
4334         * tree-ssa-structalias.c: Dump symbol table.
4335         * pases.c (execute_todo): Handle TODO_dump_symtab instead
4336         of TODO_dump_cgraph.
4337         * varpoo.c (varpool_node_name): Remove.
4338         (dump_varpool_node): Use dump_symtab_base; reformat.
4340 2012-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4342         * doc/invoke.texi (Language Independent Options): @item should be
4343         before @opindex.
4345 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
4347         PR bootstrap/53021
4348         * rtl.c (rtx_code_size): Handle ADDRESS.
4350 2012-04-17  Tom de Vries  <tom@codesourcery.com>
4352         * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
4353         is not a STMT_LIST.
4355 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
4357         PR target/53020
4358         * config/i386/sync.md (atomic_<code><mode>): Rename to
4359         atomic_<logic><mode>.
4361 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
4363         * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
4364         * alias.c (reg_base_value): Expand and update comment.
4365         (arg_base_value): New variable.
4366         (unique_id): Move up file.
4367         (unique_base_value, unique_base_value_p, known_base_value_p): New.
4368         (find_base_value): Use arg_base_value and known_base_value_p.
4369         (record_set): Document REG_NOALIAS handling.  Use unique_base_value.
4370         (find_base_term): Use known_base_value_p.
4371         (base_alias_check): Use unique_base_value_p.
4372         (init_alias_target): Initialize arg_base_value.  Use unique_base_value.
4373         (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
4375 2012-04-17  Pat Haugen <pthaugen@us.ibm.com>
4377         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
4379 2012-04-17  Michael Matz  <matz@suse.de>
4381         PR tree-optimization/18437
4382         * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
4383         (STMT_VINFO_STRIDE_LOAD_P): New accessor.
4384         (vect_check_strided_load): Declare.
4385         * tree-vect-data-refs.c (vect_check_strided_load): New function.
4386         (vect_analyze_data_refs): Use it to accept strided loads.
4387         * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
4389 2012-04-17  Richard Guenther  <rguenther@suse.de>
4391         PR middle-end/53011
4392         * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
4393         loops when redirecting an entry or latch edge.
4395 2012-04-17  Bernd Schmidt  <bernds@codesourcery.com>
4397         * sel-sched.c (sel_global_init): Revert previous change.
4399 2012-04-17  Richard Guenther  <rguenther@suse.de>
4401         * tree-flow.h (array_at_struct_end_p): Move declaration ...
4402         * tree.h (array_at_struct_end_p): ... here.
4403         * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
4404         * expr.c (array_at_struct_end_p): ... here.  Rewrite.
4406 2012-04-17  Steven Bosscher  <steven@gcc.gnu.org>
4408         * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
4409         COST_TABLE): Remove.
4410         (estimate_case_costs): Remove.
4411         (expand_case): Do not call estimate_case_costs
4412         to set use_cost_table.
4413         (balance_case_nodes): Do not use use_cost_table.
4415 2012-04-16  Jan Hubicka  <jh@suse.cz>
4417         * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
4418         (hash_node, eq_node): Remove.
4419         (cgraph_create_node): Do not handle hashtable.
4420         (cgraph_get_node): Remove.
4421         (cgraph_insert_node_to_hashtable): Remove.
4422         (hash_node_by_assembler_name): Remove.
4423         (eq_assembler_name): Remove.
4424         (cgraph_node_for_asm): Rewrite.
4425         (cgraph_find_replacement_node): Break out from ...
4426         (cgraph_remove_node): ... here; do not maintain hashtables.
4427         (change_decl_assembler_name): Remove.
4428         (cgraph_clone_node): Do not maintain hashtables.
4429         * cgraph.h (const_symtab_node): New typedef.
4430         (cgraph_insert_node_to_hashtable): Remove.
4431         (symtab_get_node, symtab_node_for_asm,
4432         symtab_insert_node_to_hashtable): Declare.
4433         (cgraph_find_replacement_node): Declare.
4434         (cgraph_get_node, varpool_get_node): Turn into inlines.
4435         (cgraph, varpool): Work sanely on NULL pointers.
4436         (FOR_EACH_SYMBOL): New walker.
4437         * ipa-inline-transform.c (save_inline_function_body): Use
4438         symtab_insert_node_to_hashtable.
4439         * symtab.c: Include ggc.h and diagnostics.h
4440         (symtab_hash, assembler_name_hash): New static vars;
4441         (hash_node, eq_node, hash_node_by_assembler_name,
4442         eq_assembler_name, insert_to_assembler_name_hash,
4443         unlink_from_assembler_name_hash): New.
4444         (symtab_register_node): Update hashtables.
4445         (symtab_insert_node_to_hashtable): New.
4446         (symtab_unregister_node): Update hashtables.
4447         (symtab_get_node): New.
4448         (symtab_node_for_asm): New.
4449         (change_decl_assembler_name): New.
4450         * Makefile.in (symtab.o): Needs GTY.
4451         * varpool.c (varpool_hash): Remove.
4452         (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
4453         (varpool_node): Rewrite using varpool_get_node.
4454         (varpool_remove_node): DO not maintain hashtables.
4455         (varpool_node_for_asm): Rewrite.
4457 2012-04-16  Sandra Loosemore  <sandra@codesourcery.com>
4459         * doc/invoke.texi:  Copy-edit to put verbs in the present tense
4460         when describing the current behavior of GCC.
4462 2012-04-16  Richard Sandiford  <rdsandiford@googlemail.com>
4464         * genemit.c (gen_exp): Remove ADDRESS handling.
4465         * genoutput.c (scan_operands): Likewise.
4466         * genpeep.c (match_rtx): Likewise.
4467         * genrecog.c (add_to_sequence): Likewise.
4469 2012-04-16  David Edelsohn  <dje.gcc@gmail.com>
4471         * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
4473 2012-04-16  Martin Jambor  <mjambor@suse.cz>
4475         * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
4476         bit-fields.
4478 2012-04-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
4480         PR target/51819
4481         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
4482         hints for 'A' operand types.
4484 2012-04-16  Jan Hubicka  <jh@suse.cz>
4486         * cgraph.h (symtab_node_base): Add next and previous pointers.
4487         (cgraph_node): Remove next and preivous pointers.
4488         (varpool_node): Likewise; remove next/previous GTY marker;
4489         it is not type safe.
4490         (symtab_node_def): Update GTY marker
4491         (x_cgraph_nodes, cgraph_nodes): Remove.
4492         (symtab_nodes): New function.
4493         (cgraph_order): Rename to ...
4494         (symtab_order): ... this one.
4495         (symtab_register_node, symtab_unregister_node, symtab_remove_node):
4496         Declare.
4497         (x_varpool_nodes, varpool_nodes): Remove.
4498         (FOR_EACH_STATIC_VARIABLE): Update.
4499         (symtab_function_p, symtab_variable_p): New function.
4500         (FOR_EACH_VARIABLE): Update.
4501         (varpool_first_variable, varpool_next_variable): New functions.
4502         (FOR_EACH_VARIABLE): Update.
4503         (cgraph_first_defined_function): Update.
4504         (cgraph_next_defined_function, cgraph_next_defined_function): Update.
4505         (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
4506         (cgraph_first_function, cgraph_next_function): New.
4507         (FOR_EACH_FUNCTION): Update.
4508         (cgraph_first_function_with_gimple_body,
4509         cgraph_next_function_with_gimple_body): Update.
4510         * symtab.c: New file.
4511         * cgraph.c: Update copyright dates.
4512         (x_cgraph_nodes, cgraph_order): Remove.
4513         (NEXT_FREE_NODE): Update.
4514         (SET_NEXT_FREE_NODE): New.
4515         (cgraph_create_node_1): Remove common code.
4516         (cgraph_create_node): Remove common code; call symtab_register_node.
4517         (cgraph_remove_node): Remove common code; call symtab_unregister-node.
4518         (cgraph_add_asm_node): Update.
4519         (cgraph_clone_node): Register new node.
4520         * cgraphunit.c (process_function_and_variable_attributes): Update.
4521         (cgraph_analyze_functions): Update.
4522         (cgraph_analyze_functions): Update.
4523         (cgraph_output_in_order): Update.
4524         * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
4525         Update.
4526         * ipa-inline.c (recursive_inlining): Update.
4527         * lto-streamer-in.c (lto_input_toplevel_asms): Update.
4528         * ipa.c (cgraph_remove_unreachable_nodes): Update.
4529         * Makefile.in: Add symtab.o
4530         * varpool.c (x_varpool_nodes): Remove
4531         (varpool_node): Remove common code; call symtab_register_node.
4532         (varpool_remove_node): Remove common code; call symtab_unregister_node.
4534 2012-04-16  Richard Guenther  <rguenther@suse.de>
4536         PR middle-end/52977
4537         * tree.h (VECTOR_CST_NELTS): Adjust.
4538         (struct tree_vector): Add explicit length field.
4539         (make_vector_stat): Declare.
4540         (make_vector): Define.
4541         * tree.c (make_vector_stat): New function.
4542         (build_vector_stat): Use it.
4543         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
4545 2012-04-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4547         PR tree-optimization/52976
4548         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
4549         (undistribute_ops_list): Ops with repeat counts aren't eligible for
4550         undistribution.
4551         (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
4553 2012-04-16  Jan Hubicka  <jh@suse.cz>
4555         * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
4556         New macros.
4557         * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
4558         walkers to walk cgraph and varpool.
4559         * cgraph.c (cgraph_node_for_asm): Likewise.
4560         (dump_cgraph): Likewise.
4561         * value-prof.c (init_node_map): Likewise.
4562         * tree.c (free_lang_data_in_cgraph): Likewise.
4563         * tree-emutls.c: (ipa_lower_emutls): Likewise.
4564         * ipa-reference.c (generate_summary, propagate): Likewise.
4565         * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
4566         cgraph_mark_functions_to_output, cgraph_output_in_order,
4567         output_weakrefs, cgraph_materialize_all_clones,
4568         cgraph_optimize): Likewise.
4569         * lto-cgraph.c (merge_profile_summaries): Likewise.
4570         (input_cgraph): Likewise.
4571         * ipa-pure-const.c (generate_summary): Likewise.
4572         (propagate): Likwise.
4573         * ipa-utils.c (ipa_reduced_postorder): Likewise.
4574         (ipa_free_postorder_info): Likewise.
4575         (ipa_reverse_postorder): Likewise.
4576         * ipa-inline.c (ipa_inline): Likewise.
4577         * matrix-reorg.c (find_matrices_decl): Likewise.
4578         (matrix_reorg): Likewise.
4579         * tree-vectorizer.c (increase_alignment): Likewise.
4580         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4581         (function_and_variable_visibility): Likewise.
4582         (whole_program_function_and_variable_visibility): Likewise.
4583         (ipa_cdtor_merge): Likewise.
4584         * trans-mem.c (ipa_tm_execute): Likewise.
4585         * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
4586         * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
4587         (ipa_print_all_params): Likewise.
4588         (ipa_update_after_lto_read): Likewise.
4589         * tree-profie.c (tree_profiling): Likewise.
4590         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
4591         * passes.c (dump_passes): Likewise.
4592         (do_per_function): Likewise.
4593         (ipa_write_summaries): Likewise.
4594         * varpool.c (dump_varpool): Likewise.
4595         (varpool_node_for_asm): Likewise.
4596         (varpool_assemble_pending_decls): Likewise.
4598 2012-04-16  Richard Guenther  <rguenther@suse.de>
4600         PR tree-optimization/52975
4601         * tree-if-conv.c (predicate_bbs): Do not simplify inverted
4602         condition but always mark it with TRUTH_NOT_EXPR.
4604 2012-04-16  Richard Guenther  <rguenther@suse.de>
4606         PR tree-optimization/52975
4607         * tree-ssa-forwprop.c (combine_cond_exprs): New function.
4608         (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
4609         and VEC_COND_EXPRs.  Also combine into VEC_COND_EXPRs condition.
4610         * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
4612 2012-04-14  Uros Bizjak  <ubizjak@gmail.com>
4614         * config/i386/sse.md (ssse3_plusminus): New code iterator.
4615         (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
4616         avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
4617         (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
4618         ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
4619         (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
4620         ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
4622         (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
4623         avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
4624         (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
4625         ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
4626         (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
4627         ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
4629         (xop_plus): New code iterator.
4630         (macs): New code attribute.
4631         (macds): Ditto.
4632         (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
4633         xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
4634         iterator.
4635         (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
4636         xop_plus code iterator.
4637         (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
4638         xop_plus code iterator.
4639         (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
4640         xop_plus code iterator.
4641         (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
4642         xop_plus code iterator.
4644         (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
4645         any_extend code iterator.
4646         (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
4647         any_extend code iterator.
4648         (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
4649         any_extend code iterator.
4650         (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
4651         any_extend code iterator.
4652         (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
4653         any_extend code iterator.
4654         (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
4655         any_extend code iterator.
4657 2012-04-14  Tom de Vries  <tom@codesourcery.com>
4659         * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
4660         call to delete_insn.  Remove code to reorder BASIC_BLOCK note and
4661         DELETED_LABEL note, and move it to ...
4662         * cfgrtl.c (delete_insn): ... here.  Change return type to void.
4663         (delete_insn_and_edges): Likewise.
4664         (delete_insn_chain): Handle new return type of delete_insn.  Delete
4665         chain backwards rather than forwards.
4666         * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
4667         void.
4668         * cfglayout.c (fixup_reorder_chain): Delete unused label.
4670 2012-04-14  Jan Hubicka  <jh@suse.cz>
4672         * cgraph.h: Update copyrights;
4673         (symtab_node): Turn to union typedef.
4674         (symtab_node_base): New structure.
4675         (symtab_type): Add SYMTAB_SYMBOL tag.
4676         (cgraph_node): Annotate some pinters with nested_ptr.
4677         (varpool_node): Likewise.
4678         (cgraph_local_info): Remove lto_file_data
4679         and externally_visible.
4680         (cgraph_node): Remove decl; same_comdat_group list;
4681         aux; ref_list; order; address_taken; reachable_from_other_parittion,
4682         in_other_partition; resolution.
4683         (varpool_node): Remove decl; same_comdat_group;
4684         ref_list; lto_file_data; aux; order; resolution; externally_visible;
4685         used_from_other_partition; in_other_partition.
4686         (symtab_node_def): New union.
4687         (cgraph, varpool): Update.
4688         (varpool_first_static_initializer, varpool_next_static_initializer,
4689         cgraph_only_called_directly_or_aliased_p,
4690         varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
4691         varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
4692         varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
4693         field references.
4694         * cgraph.c: Likewise.
4695         (cgraph_hash, assembler_name_hash): Turn into symtab_node.
4696         * cgraphbuild.c: Likewise.
4697         * lto-symtab.c: Likewise.
4698         * c-gimplify.c: Likewise.
4699         * value-prof.c: Likewise.
4700         * tree.c: Likewise.
4701         * ipa-cp.c: Likewise.
4702         * tree-emutls.c: Likewise.
4703         * ipa-inline-transform.c: Likwise.
4704         * ipa-reference.c: Likewise.
4705         * cgraphunit.c: Likewise.
4706         * ipa-ref.c: Likewise.
4707         * lto-cgraph.c: Likewise.
4708         * ipa-ref-inline.h: Likewise.
4709         * ipa-pure-const.c: Likewise.
4710         * lto-streamer-out.c: Likewise.
4711         * ipa-utils.c: Likewise.
4712         * ipa-inline.c: Likewise.
4713         * matrix-reorg.c: Likewise.
4714         * tree-eh.c: Likewise.
4715         * tree-vectorizer.c: Likewise.
4716         * ipa-split.c: Likewise.
4717         * ipa.c: Likewise.
4718         * trans-mem.c: Likewise.
4719         * ipa-inline-analysis.c: Likewise.
4720         * gimplify.c: Likewise.
4721         * cfgexpand.c: Likewise.
4722         * tree-sra.c: Likewise.
4723         * ipa-prop.c: Likewise.
4724         * varasm.c: Likewise.
4725         * tree-nested.c: Likewise.
4726         * tree-inline.c: Likewise.
4727         * tree-profile.c: Likewise.
4728         * tree-ssa-structalias.c: Likewise.
4729         * passes.c: Likewise.
4730         * varpool.c: Likewise.
4732 2012-04-14  Tom de Vries  <tom@codesourcery.com>
4734         * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
4735         same_succ_hash, with local_def inlined.  Use SINGLE_SSA_DEF_OPERAND.
4736         Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.  Remove use
4737         of find_edge.
4738         (gsi_advance_fw_nondebug_nonlocal): New function.
4739         (local_def): Removed function.
4740         (same_succ_hash): Use stmt_local_def.
4741         (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
4742         (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
4744 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
4746         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
4747         and __ILP32__ for x32.
4749 2012-04-13  Martin Jambor  <mjambor@suse.cz>
4751         PR middle-end/52939
4752         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
4753         fold_ctor_reference returns a zero constant.
4755 2012-04-13  Enkovich Ilya  <ilya.enkovich@intel.com>
4757         * config.gcc: Add i386/gnu-user-common.h before all
4758         i386/gnu-user.h and i386/gnu-user64.h usages.
4760         * config/i386/gnu-user-common.h: New.
4762         * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
4763         (CC1_SPEC): Likewise.
4764         (ENDFILE_SPEC): Likewise.
4765         (DEFAULT_PCC_STRUCT_RETURN): Likewise.
4766         (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
4767         (TARGET_OS_CPP_BUILTINS): Likewise.
4768         (LIBGCC2_HAS_TF_MODE): Likewise.
4769         (LIBGCC2_TF_CEXT): Likewise.
4770         (TF_SIZE): Likewise.
4771         (TARGET_ASM_FILE_END): Likewise.
4772         (STACK_CHECK_MOVING_SP): Likewise.
4773         (STACK_CHECK_STATIC_BUILTIN): Likewise.
4774         * config/i386/gnu-user64.h: Likewise.
4776 2012-04-13  Martin Jambor  <mjambor@suse.cz>
4778         * expr.c (expand_expr_real_1): Pass type, not the expression, to
4779         set_mem_attributes for a memory temporary. Do not call the function
4780         for the memory temporary created for a bitfield.
4782 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
4784         PR debug/48866
4785         * df.h (enum debug_temp_where): New.
4786         (dead_debug_init, dead_debug_finish) Declare.
4787         (dead_debug_add, dead_debug_insert_temp): Declare.
4788         (struct dead_debug_use, struct dead_debug): Moved from...
4789         * df-problems.c: ... here.
4790         (df_set_unused_notes_for_mw): Bind debug uses of unused regno
4791         to a debug temp.
4792         (df_create_unused_note): Likewise.
4793         (df_set_dead_notes_for_mw): Move comment where it belongs.
4794         (dead_debug_init): Export.
4795         (dead_debug_reset_uses): New, factored out of...
4796         (dead_debug_finish): ...this.  Export.
4797         (dead_debug_reset): Remove.
4798         (dead_debug_add): Export.
4799         (dead_debug_insert_before): Rename to...
4800         (dead_debug_insert_temp): ... this.  Add where argument.  Export.
4801         Locate stored value for BEFORE_WITH_VALUE.  Avoid repeat inserts.
4802         Return insertion count.
4803         (df_note_bb_compute): Adjust.
4804         * dce.c (word_dce_process_block): Adjust dead debug uses.
4805         (dce_process_block): Likewise.
4807 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
4809         * df-problems.c (df_note_bb_compute): Do not take note of
4810         debug uses for whose REGs we won't emit DEAD or UNUSED notes.
4812 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
4814         PR debug/51570
4815         * var-tracking.c (expand_depth): New type.
4816         (onepart_aux, expand_loc_callback_data): Change depth type to it.
4817         (loc_exp_dep_alloc): Adjust initializer.
4818         (update_depth): Use new type.  Add entryvals.
4819         (vt_expand_var_loc_chain): Take note of expansions with
4820         ENTRY_VALUEs, but don't accept them right away.  Run an optional
4821         second pass accepting the minimum ENTRY_VALUE count found in the
4822         first pass.
4823         (vt_expand_loc_callback, INIT_ELCD): Adjust.
4825 2012-04-13  Tom de Vries  <tom@codesourcery.com>
4827         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
4828         parameters vuse and vuse_escaped.
4829         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
4830         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
4831         vuse1 != vuse2.
4833 2012-04-13  Richard Guenther  <rguenther@suse.de>
4835         PR tree-optimization/52969
4836         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
4837         the condition for the COND_EXPR and handle predicate negation
4838         by swapping the COND_EXPR arms.
4840 2012-04-13  Nick Clifton  <nickc@redhat.com>
4842         * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
4843         TODO_dump_func flag.
4845 2012-04-13  Andrey Belevantsev  <abel@ispras.ru>
4847         PR rtl-optimization/52203
4848         PR rtl-optimization/52715
4850         Revert the 2012-03-07 fix for PR 52203.
4851         * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
4852         the insn does not modify DFA right before issuing, adjust
4853         issue_rate accordingly.
4855 2012-04-13  Richard Guenther  <rguenther@suse.de>
4857         PR c/52549
4858         * c-typeck.c (pointer_diff): Remove bogus assert.
4860 2012-04-13  Richard Guenther  <rguenther@suse.de>
4862         PR c/52862
4863         * convert.c (convert_to_pointer): Remove special-casing of zero.
4865 2012-04-13  Joey Ye  <joey.ye@arm.com>
4867         * config/arm/constraints.md (Pe): New constraint.
4868         * config/arm/arm.md: New split for imm 256-510.
4870 2012-04-13  Terry Guo  <terry.guo@arm.com>
4872         * config/arm/arm-cores.def: Added core cortex-m0plus.
4873         * config/arm/arm-tune.md: Regenerated.
4874         * config/arm/arm-tables.opt: Regenerated.
4875         * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
4877 2012-04-13  Alan Modra  <amodra@gmail.com>
4879         PR target/52828
4880         * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
4881         tie regs on destination of sets.  Delete forward declaration.
4882         (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
4883         (rs6000_emit_prologue): Likewise.
4884         (rs6000_emit_epilogue): Likewise.  Use in place of gen_frame_tie
4885         and gen_stack_tie.
4886         (is_mem_ref): Use tie_operand to recognise stack ties.
4887         * config/rs6000/predicates.md (tie_operand): New.
4888         * config/rs6000/rs6000.md (restore_stack_block): Generate new
4889         stack tie rtl.
4890         (restore_stack_nonlocal): Likewise.
4891         (stack_tie): Update.
4892         (frame_tie): Delete.
4894 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4896         * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
4897         HOST_WIDE_INT_PRINT_DEC in format strings.
4899 2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
4901         PR target/52932
4902         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
4903         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
4904         * config/i386/sse.md (UNSPEC_VPERMVAR): New.
4905         (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
4906         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
4907         (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
4908         avx2_permvarv8si using VI4F_256 mode iterator.
4909         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
4910         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
4911         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
4912         gen_avx2_permvarv8sf.
4913         (expand_vec_perm_pshufb): Ditto.
4915 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
4917         PR target/52775
4918         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
4919         the list of options to enable the FCFID instruction.
4920         (TARGET_EXTRA_BUILTINS): Adjust comment.
4922 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4924         PR tree-optimization/18589
4925         * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
4926         (operand_entry): Add count field.
4927         (add_repeat_to_ops_vec): New function.
4928         (completely_remove_stmt): Likewise.
4929         (remove_def_if_absorbed_call): Likewise.
4930         (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
4931         (acceptable_pow_call): New function.
4932         (linearize_expr_tree): Look for builtin pow/powi calls and add operand
4933         entries with repeat counts when found.
4934         (repeat_factor_d): New struct and associated typedefs.
4935         (repeat_factor_vec): New static vector variable.
4936         (compare_repeat_factors): New function.
4937         (get_reassoc_pow_ssa_name): Likewise.
4938         (attempt_builtin_powi): Likewise.
4939         (reassociate_bb): Call attempt_builtin_powi.
4940         (fini_reassoc): Two new calls to statistics_counter_event.
4942 2012-04-12  Richard Guenther  <rguenther@suse.de>
4944         * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
4945         * cgraph.h (tree_rest_of_compilation): Remove.
4946         * cgraph.c (cgraph_add_new_function): Move ...
4947         * cgraphunit.c (cgraph_add_new_function): ... here.
4948         (tree_rest_of_compilation): Make static.
4949         (cgraph_expand_function): Do not set cgraph_function_flags_ready.
4950         * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
4951         gate_all_early_local_passes, execute_all_early_local_passes,
4952         pass_early_local_passes, gate_all_early_optimizations,
4953         pass_all_early_optimizations): Move ...
4954         * passes.c (gate_all_optimizations, pass_all_optimizations,
4955         gate_all_early_local_passes, execute_all_early_local_passes,
4956         pass_early_local_passes, gate_all_early_optimizations,
4957         pass_all_early_optimizations): ... here.
4958         * tree-optimize.c (execute_free_datastructures): Remove.
4959         * tree-flow.h (execute_free_datastructures): Remove.
4960         * tree-optimize.c (execute_init_datastructures,
4961         pass_init_datastructures): Move ...
4962         * tree-ssa.c (execute_init_datastructures,
4963         pass_init_datastructures): ... here.
4964         * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
4965         execute_free_datastructures.
4967 2012-04-12  Bernd Schmidt  <bernds@codesourcery.com>
4969         * dbgcnt.def (ira_move): New counter.
4970         * ira-int.h (ira_create_new_reg): Declare function.
4971         (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
4972         * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
4973         no longer static.  All callers changed.
4974         * ira.c: Include "dbgcnt.h".
4975         (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
4976         move_unallocated_pseudos): New static functions.
4977         (first_moveable_pseudo, last_moveable_pseudo): New global variables.
4978         (pseudo_replaced_reg, pseudo_move_insn): New static variables.
4979         (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
4980         * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
4981         to the pseudos generated in find_moveable_pseudos.
4982         * Makefile.in (ira.o): Add $(DBGCNT_H).
4984 2012-04-12  Richard Guenther  <rguenther@suse.de>
4986         PR tree-optimization/52943
4987         * tree-chrec.h (chrec_is_positive): Remove.
4988         * tree-scalar-evolution.c (chrec_is_positive): Move ...
4989         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
4990         Return false for a constant zero instead of negative.
4991         (analyze_siv_subscript_cst_affine): Handle zero difference
4992         in the initial condition explicitely.
4994 2012-04-12  Richard Guenther  <rguenther@suse.de>
4996         * tree-parloops.c (parallelize_loops): Also consult the upper
4997         bound for the number of iterations.
4998         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
4999         (loop_prefetch_arrays): Likewise.
5001 2012-04-12  Richard Guenther  <rguenther@suse.de>
5003         * cfgloop.h (estimated_loop_iterations_int): Ditch
5004         'conservative' parameter.
5005         (max_stmt_executions_int): Likewise.
5006         (estimated_loop_iterations): Likewise.
5007         (max_stmt_executions): Likewise.
5008         (max_loop_iterations): Declare.
5009         (max_loop_iterations_int): Likewise.
5010         (estimated_stmt_executions): Likewise.
5011         (estimated_stmt_executions_int): Likewise.
5012         * tree-ssa-loop-niter.c (estimated_loop_iterations):
5013         Split parts to ...
5014         (max_loop_iterations): ... this.
5015         (estimated_loop_iterations_int): Split parts to ...
5016         (max_loop_iterations_int): ... this.
5017         (max_stmt_executions_int): Split parts to ...
5018         (estimated_stmt_executions_int): ... this.
5019         (max_stmt_executions): Split parts to ...
5020         (estimated_stmt_executions): ... this.
5021         * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
5022         * predict.c (predict_loops): Likewise.
5023         * tree-data-ref.c (max_stmt_executions_tree): Likewise.
5024         (analyze_siv_subscript_cst_affine): Likewise.
5025         (compute_overlap_steps_for_affine_1_2): Likewise.
5026         (analyze_subscript_affine_affine): Likewise.
5027         (init_omega_for_ddr_1): Likewise.
5028         * tree-parloops.c (parallelize_loops): Likewise.
5029         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
5030         (may_eliminate_iv): Likewise.
5031         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
5032         (loop_prefetch_arrays): Likewise.
5033         * tree-vrp.c (adjust_range_with_scev): Likewise.
5035 2012-04-12  Oleg Endo  <olegendo@gcc.gnu.org>
5037         * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
5038         * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
5039         Fix line width.
5040         (dump_table): Use bool type for need_align and have_df variables.
5041         (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
5042         (regs_used): Remove register modifier.
5043         (barrier_align): Move variables slot, credit, jump_to_next
5044         into if block above for loop.  Use bool type for jump_to_next.
5045         (sh_function_arg): Use NULL_RTX instead of 0.
5047 2012-04-11  Andreas Schwab  <schwab@linux-m68k.org>
5049         * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
5050         (bswapsi2): New expander.
5052 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5054         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
5055         0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
5057 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5059         PR rtl-optimization/52876
5060         * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
5061         Don't call mark_reg_pointer for incompatible pointer sign extension.
5063         * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
5064         directly.
5066 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
5068         * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
5069         comparisons against TYPE_PRECISION.
5070         * tree-ssa-forwprop.c (combine_conversions): Likewise.
5072 2012-04-11  Xinliang David Li  <davidxl@google.com>
5074         * tree-passes.h: Remove TODO_dump_func.
5075         * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
5076         * trans-mem.c: Remove TODO_dump_func.
5077         * ira.c: Remove TODO_dump_func.
5079 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5081         * config/i386/i386.c (ix86_option_override_internal): Check
5082         SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
5083         after TARGET_64BIT is updated.
5085 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5087         * config/sh/sh.h: Remove old secondary reload code.
5089 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5091         * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
5092         (ready_reorder): ... this function.
5094 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
5096         * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
5097         sched_init calls.
5099         * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
5100         insns so that no other insn is queued for a time before them.
5102         * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
5103         unknown.
5105 2012-04-11  Richard Guenther  <rguenther@suse.de>
5107         PR middle-end/52621
5108         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
5109         consider loop nesting.
5110         (evolution_function_is_univariate_p): Properly check the remainder
5111         for chrecs.
5113 2012-04-11  Richard Guenther  <rguenther@suse.de>
5115         PR middle-end/52918
5116         * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
5118 2012-04-11  Nick Clifton  <nickc@redhat.com>
5120         * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
5121         information, if requested.
5123         * config/rx/rx.c (rx_expand_prologue): Likewise.
5125 2012-04-11  Peter Bergner  <bergner@vnet.ibm.com>
5126             Michael Matz  <matz@suse.de>
5128         PR target/16458
5129         * rtlanal.c (unsigned_reg_p): New function.
5130         Update copyright notice dates.
5131         * rtl.h (unsigned_reg_p): Prototype it.
5132         Update copyright notice dates.
5133         * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
5134         Update comment.
5135         * expr.c (expand_expr_real_1): Set register attributes.
5136         * stmt.c (expand_case): Likewise.
5138 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5140         PR target/50751
5141         * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
5142         consider_sh2a and allow_zero.
5143         * config/sh/sh.c (sh_legitimate_index_p): Likewise.
5144         (disp_addr_displacement): New function.
5145         (sh_address_cost): Use disp_addr_displacement function instead
5146         of DISP_ADDR_OFFSET.
5147         (sh_legitimate_address_p): Adapt to changed
5148         sh_legitimate_index_p declaration.
5149         (sh_find_mov_disp_adjust): Remove HImode check.
5150         (sh_secondary_reload): Add HImode case.  Use satisfies_constraint_Sdd,
5151         disp_addr_displacement and max_mov_insn_displacement.
5152         (max_mov_insn_displacement): Remove HImode check.
5153         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
5154         DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
5155         * config/sh/constraints.md (K05, K13): New constraints.
5156         (K12): Correct comment.
5157         (Sdd): Do not use DISP_ADDR_P macro.
5158         (Snd, Sbw): Use satisfies_constraint_Sdd.
5159         * config/sh/sh.md (extendhisi2): Remove constraints from expander.
5160         (*extendhisi2_compact, movhi_i): Remove.
5161         (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
5162         *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
5163         *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
5164         *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
5165         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
5166         *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
5167         *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
5168         CONST_OK_FOR_Kxx.
5169         Add new peepholes for HImode displacement addressing.
5171 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5173         * config/sh/sh.h (SIDI_OFF): Remove.
5174         * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
5175         DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
5176         or operand_subword.
5178 2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>
5180         PR target/52624
5181         * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
5182         (PowerPC AltiVec/VSX Built-in Functions): Remove it.
5183         * doc/md.texi (Standard Names): Add bswap.
5184         * builtin-types.def (BT_UINT16): New primitive type.
5185         (BT_FN_UINT16_UINT16): New function type.
5186         * builtins.def (BUILT_IN_BSWAP16): New.
5187         * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
5188         (expand_builtin) <BUILT_IN_BSWAP16>: New case.  Pass TARGET_MODE to
5189         expand_builtin_bswap.
5190         (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
5191         (fold_builtin_1): Likewise.
5192         (is_inexpensive_builtin): Likewise.
5193         * optabs.c (expand_unop): Deal with bswap in HImode specially.  Add
5194         missing bits for bswap to libcall code.
5195         * tree.c (build_common_tree_nodes): Build uint16_type_node.
5196         * tree.h (enum tree_index): Add TI_UINT16_TYPE.
5197         (uint16_type_node): New define.
5198         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
5199         * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
5200         above builtin.
5201         (rs6000_init_builtins): Likewise.
5202         * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
5204 2012-04-11  Tristan Gingold  <gingold@adacore.com>
5206         * doc/extend.texi (Type Attributes): Move paragraph.
5208 2012-04-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5210         PR 24985
5211         * diagnostic.h (show_caret): Declare.
5212         (caret_max_width): Declare.
5213         (diagnostic_show_locus): Declare.
5214         * diagnostic.c (diagnostic_initialize): Initialize to false.
5215         (diagnostic_show_locus): New.
5216         (diagnostic_report_diagnostic): Call it.
5217         (getenv_columns): New.
5218         (adjust_line): New.
5219         (diagnostic_set_caret_max_width): New.
5220         * input.c (read_line): New.
5221         (location_get_source_line): New.
5222         * input.h (location_get_source_line): Declare.
5223         * toplev.c (general_init): Initialize show_caret from options.
5224         * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
5225         * opts.c (common_handle_option): Likewise.
5226         * pretty-print.h (pp_get_prefix): New.
5227         (pp_base_get_prefix): New.
5228         * common.opt (fdiagnostics-show-caret): New option.
5229         * doc/invoke.texi (fdiagnostics-show-caret): Document it.
5231 2012-04-11  Richard Guenther  <rguenther@suse.de>
5233         PR rtl-optimization/52881
5234         * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
5236 2012-04-11  Richard Guenther  <rguenther@suse.de>
5238         PR tree-optimization/52912
5239         * tree-ssa-threadupdate.c (thread_block): Tell the cfg
5240         manipulation code we are threading through a loop header
5241         to an exit destination.
5243 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5245         * tree.h (warn_if_unused_value): Move declaration from here.
5246         * stmt.c (warn_if_unused_value): Move definition from here.
5248 2010-04-10  Michael Matz  <matz@suse.de>
5250         * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
5251         grouped_stores.
5252         (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
5253         (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
5254         (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
5255         (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
5256         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
5257         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
5258         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
5259         (vect_record_strided_load_vectors): Rename to
5260         vect_record_grouped_load_vectors.
5261         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
5262         Rename use of above macros.
5263         (vect_verify_datarefs_alignment): Ditto.
5264         (vector_alignment_reachable_p): Ditto.
5265         (vect_peeling_hash_get_lowest_cost): Ditto.
5266         (vect_enhance_data_refs_alignment): Ditto.
5267         (vect_analyze_group_access): Ditto and rename stride to groupsize.
5268         (vect_analyze_data_ref_access): Rename "strided" to "grouped".
5269         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
5270         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
5271         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
5272         (vect_record_strided_load_vectors): Rename to
5273         vect_record_grouped_load_vectors.
5274         * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
5275         (destroy_loop_vec_info): Ditto.
5276         (vect_transform_loop): Ditto and rename strided_store to grouped_store.
5277         * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
5278         (vect_analyze_slp): Ditto.
5279         (new_bb_vec_info): Ditto.
5280         (destroy_bb_vec_info): Ditto.
5281         (vect_schedule_slp_instance): Ditto and rename strided_store to
5282         grouped_store.
5283         * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
5284         vect_cost_group_size.
5285         (vect_model_store_cost): Rename use of above macros and call
5286         to vect_cost_strided_group_size.
5287         (vect_model_load_cost): Ditto.
5288         (vectorizable_store): Ditto, rename strided_store to grouped_store
5289         and calls to renamed tree-vectorizer.h functions.
5290         (vectorizable_load): Ditto.
5291         (vect_transform_stmt): Rename use of above macros and strided_store
5292         to grouped_store.
5294 2012-04-10  Jan Hubicka  <jh@suse.cz>
5296         * cgraph.h: Remove misledaing comment on ipa-ref.h.
5297         (symtab_type): New enum.
5298         (symtab_node): New structure.
5299         (cgraph_node, varpool_node): Add symbol base type.
5300         (cgraph, varpool): New accestor functions.
5301         * cgraph.c (cgraph_create_node_1): Set symbol type.
5302         * varpool.c (varpool_node): Set symbol type.
5304 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
5305             Richard Sandiford  <rdsandiford@googlemail.com>
5307         * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
5309 2012-04-10  Richard Guenther  <rguenther@suse.de>
5311         PR middle-end/52888
5312         * gimple-low.c (gimple_check_call_args): Properly account for
5313         compatible aggregate types.
5315 2012-04-10  Richard Guenther  <rguenther@suse.de>
5317         * toplev.h (tree_rest_of_compilation): Remove.
5318         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5319         * cgraph.h (tree_rest_of_compilation): Declare.
5320         * tree-optimize.c (tree_rest_of_compilation): Move ...
5321         * cgraphunit.c (tree_rest_of_compilation): ... here.
5322         * cgraph.c (cgraph_add_new_function): Adjust.
5323         * Makefile.in (tree-optimize.o): Adjust.
5324         (cgraphunit.o): Likewise.
5326 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
5328         PR tree-optimization/52870
5329         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
5330         presumed pattern statement is within the same loop or basic block.
5332 2012-04-10  Tristan Gingold  <gingold@adacore.com>
5334         * gengtype.c (main): Make uintptr_t a known type.
5336 2012-04-10  Richard Guenther  <rguenther@suse.de>
5338         * tree-pass.h (tree_lowering_passes): Remove.
5339         * tree-optimize.c (tree_lowering_passes): Remove.
5340         * cgraph.c (cgraph_add_new_function): Inline relevant parts
5341         of tree_lowering_passes, avoid redundant call of early local passes.
5342         * cgraphunit.c (cgraph_lower_function): Fold into ...
5343         (cgraph_analyze_function): ... its single caller.  Inline
5344         relevant parts of tree_lowering_passes.
5346 2012-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5348         PR other/52777
5349         * config/pa/pa.opt: Remove SIO and GNU_LD.
5351 2012-04-09  Jan Hubicka  <jh@suse.cz>
5353         PR lto/52722
5354         PR lto/51765
5355         PR lto/52634
5356         * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
5357         boundary, add its target too.
5358         * lto.c (add_references_to_partition): Add also aliased nodes.
5359         (add_cgraph_node_to_partition,
5360         add_varpool_node_to_partition): Work on nodes, not functions/variables;
5361         when adding alias, add also the aliased object.
5363 2012-04-09  Uros Bizjak  <ubizjak@gmail.com>
5365         PR target/52883
5366         * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
5367         VOIDmode immediate operands.
5368         * config/i386/constraints.md (Wz): New constraint.
5369         * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
5371 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
5373         PR target/52717
5374         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
5375         the DECL generated for the special GOT helper.
5377 2012-04-09  Oleg Endo  <olegendo@gcc.gnu.org>
5379         * config/sh/constraints.md: Update list of constraints in
5380         comment block.
5381         (Sr0): Remove unused memory constraint.
5383 2012-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5385         * tree-pretty-print.h: Update comment.
5387 2012-04-08  Oleg Endo  <olegendo@gcc.gnu.org>
5389         * config/sh/sh.md: Use braced string notation where applicable.
5390         (*prefetch_i4, prefetch_m2a): Merge into ...
5391         (*prefetch): ... this new insn.
5393 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
5395         * config/sh/sh.h (high_life_started): Remove
5396         * config/sh/predicates.md (general_movdst_operand): Use
5397         'reload_in_progress' instead of 'high_life_started'.
5398         * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
5399         divsi_inv_fp): Likewise.
5401 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
5403         * config/sh/sh-protos.h (prepare_move_operands): Return void
5404         instead of int.
5405         * config/sh/sh.c (prepare_move_operands): Likewise.
5406         * config/sh/sh.md: Remove return value checks of prepare_move_operands.
5408 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
5410         * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
5411         general_movsrc_operand, general_movdst_operand, arith_reg_operand,
5412         fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
5413         logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
5414         commutative_float_operator, noncommutative_float_operator,
5415         sh_handle_pragma): Remove.
5417 2012-04-06  Sandra Loosemore  <sandra@codesourcery.com>
5419         * doc/invoke.texi:  Clean up Texinfo markup throughout the file.
5420         Use @option markup on command-line options.  Use @samp markup on
5421         literal keywords to options.  Use @code markup on code fragments.
5422         Use other markup in preference to quotation marks in the text.
5423         Add markup to some passages without any.
5425 2012-04-06  Mike Stump  <mikestump@comcast.net>
5427         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
5429 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
5431         * config/sh/sh.c (hi_const): Remove.
5432         (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
5433         of hi_const.
5435 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
5437         * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
5438         to bool.
5439         * config/sh/sh.c (sh_expand_t_scc): Likewise.
5440         * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
5441         calling sh_expand_t_scc.
5443 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
5445         * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
5446         nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
5447         sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
5448         reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
5449         sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
5450         sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
5451         check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
5452         sh2a_is_function_vector_call): Use bool as return type.
5453         (sh_pass_in_reg_p): Remove.
5454         * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
5455         flow_dependent_p, sh2a_function_vector_p, expand_block_move,
5456         expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
5457         sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
5458         sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
5459         sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
5460         fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
5461         sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
5462         sh_loads_bankedreg_p): Use bool as return type.
5463         (nonpic_symbol_mentioned_p): Use bool as return type.  Remove
5464         'register' modifier.
5466 2012-04-06  Matt Turner  <mattst88@gmail.com>
5468         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
5470 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5472         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
5473         of the destination isn't also a FP_REGS register.
5475 2012-04-05  Teresa Johnson  <tejohnson@google.com>
5476             H.J. Lu  <hongjiu.lu@intel.com>
5478         * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
5479         * config/i386/i386.md (move immediate to memory peephole2):
5480         Add cases for HImode move when LCP stall avoidance is needed.
5481         * config/i386/i386.c (initial_ix86_tune_features): Initialize
5482         X86_TUNE_LCP_STALL entry.
5484 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
5486         PR target/52882
5487         * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
5488         CONST_INT operands, zero-extended with AND.
5490 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
5492         PR target/50751
5493         * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
5494         first argument instead of mode size.  Move displacement calculations
5495         to ...
5496         (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
5497         ... these new functions.
5498         (disp_adjust): Remove max_mov_disp field.
5499         (sh_legitimate_index_p): Use max_mov_insn_displacement and
5500         mov_insn_alignment_mask.
5501         (sh_address_cost): Use max_mov_insn_displacement.
5503 2012-04-05  Andrew Stubbs  <ams@codesourcery.com>
5505         * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
5506         (arch_enabled): Handle new arch types.
5507         (one_cmpldi2): Add NEON support.
5509 2012-04-05  Richard Guenther  <rguenther@suse.de>
5511         * gimple.c (walk_gimple_op): Compute val_only for the LHS
5512         of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
5513         (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
5514         * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
5515         ... here and make static.
5516         * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
5517         Remove.
5519 2012-04-05  Richard Guenther  <rguenther@suse.de>
5521         * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
5522         basic-block before removing it.
5524 2012-04-05  Richard Guenther  <rguenther@suse.de>
5526         * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
5527         version namespace as we release the freelist.
5529 2012-04-05  Richard Guenther  <rguenther@suse.de>
5531         * tree-nrv.c (tree_nrv): Release VDEFs.
5532         * tree-sra.c (sra_modify_constructor_assign): Likewise.
5533         (sra_modify_assign): Likewise.
5534         * tree-vect-stmts.c (vect_remove_stores): Likewise.
5535         * tree-vect-loop.c (vect_transform_loop): Likewise.
5536         * tree-ssa-dom.c (optimize_stmt): Likewise.
5537         * tree-vect-slp.c (vect_schedule_slp): Likewise.
5538         * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
5540 2012-04-05  Richard Guenther  <rguenther@suse.de>
5542         * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
5543         cleanup.
5544         * gimple.h (gsi_remove): Adjust.
5545         * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
5546         * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
5547         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5548         * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
5549         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
5550         * tree-ssa-pre.c (eliminate): Likewise.
5552 2012-04-04  Mike Stump  <mikestump@comcast.net>
5554         * doc/rtl.texi (const_double): Document as sign-extending.
5555         * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
5556         * emit-rtl.c (immed_double_int_const): Refine to state the
5557         value is signed.
5558         * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
5559         CONST_DOUBLE integers.
5560         (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
5561         negative values are converted.  Fix conversions bigger than
5562         HOST_BITS_PER_WIDE_INT.
5563         (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
5564         (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
5565         * explow.c (plus_constant_mode): Add.
5566         (plus_constant): Implement with plus_constant_mode.
5567         * rtl.h (plus_constant_mode): Add.
5569 2012-04-04  Richard Guenther  <rguenther@suse.de>
5571         PR tree-optimization/52808
5572         * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
5573         * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
5575 2012-04-04  Tristan Gingold  <gingold@adacore.com>
5577         * expr.c (expand_expr_real_2): Handle larger sizetype in
5578         POINTER_PLUS_EXPR.
5580 2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5582         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
5583         to m2a-single instead of m2e.
5585 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
5587         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
5588         Change type of BITOFFSET to signed.  Make sure the lower bound of
5589         the computed range is non-negative by adjusting OFFSET and BITPOS.
5590         (expand_assignment): Adjust call to get_bit_range.
5592 2012-04-03  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
5594         * h8300/h8300.c (h8300_current_function_monitor_function_p):
5595         New function. Added to check monitor functions.
5596         (h8300_option_override): Modified to generate error/warning
5597         messages for invalid combinations of different command line
5598         options.
5599         * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
5600         save EXR on stack for monitor function in case of H8S target
5601         when "-mno-exr" is passed.
5602         * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
5603         Add prototype.
5604         * doc/invoke.texi: Document H8S options.
5606 2012-04-03  Tristan Gingold  <gingold@adacore.com>
5608         * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
5609         of gcc_AC_FUNC_MMAP_BLACKLIST.
5610         * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
5611         * Makefile.in (aclocal_deps): Add mmap.m4.
5612         * configure: Regenerate.
5613         * aclocal.m4: Regenerate.
5615 2012-04-03  Richard Guenther  <rguenther@suse.de>
5617         PR tree-optimization/52808
5618         * tracer.c (tail_duplicate): Return whether we have duplicated
5619         any block.
5620         (tracer): If we have duplicated any block, cleanup the CFG.
5621         * cfghooks.c (duplicate_block): If we duplicated a loop
5622         header but not its loop, destroy the loop because it now has
5623         multiple entries.
5624         * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
5625         the cfg manipulation routines we are not creating a multiple
5626         entry loop.
5628 2012-04-03  Tristan Gingold  <gingold@adacore.com>
5630         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
5631         'byte' alignment.
5632         (vms_c_common_override_options): Allow parameterless variadic
5633         functions.
5635 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
5637         PR tree-optimization/52835
5638         * tree-data-ref.c (build_rdg): Return NULL if
5639         compute_data_dependences_for_loop failed.
5641 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
5643         * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
5644         for REAL_CST as well.
5645         (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
5646         In the bitfield case, if the value is a REAL_CST, convert it first to
5647         an INTEGER_CST.
5649 2012-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5651         * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
5652         for --with-abi={x32|mx32} or --with-multilib-list=mx32.
5653         (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
5655         * config/i386/biarchx32.h: New.
5657 2012-04-02  Anatoly Sokolov  <aesok@post.ru>
5659         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
5660         * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
5661         (arm_preferred_reload_class): New function.
5663 2012-04-02  Richard Guenther  <rguenther@suse.de>
5665         PR tree-optimization/52756
5666         * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
5667         (thread_through_loop_header): After threading through the loop latch
5668         remove the split part from the loop and clear further threading
5669         opportunities that would create a multiple entry loop.
5671 2012-04-02  Richard Guenther  <rguenther@suse.de>
5673         PR rtl-optimization/52800
5674         * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
5675         CLEANUP_CFG_CHANGED.
5677 2012-04-02  Richard Guenther  <rguenther@suse.de>
5679         PR middle-end/52803
5680         * loop-init.c (gate_handle_loop2): Destroy loops here if
5681         we don't enter RTL loop optimizers.
5683 2012-04-02  Uros Bizjak  <ubizjak@gmail.com>
5685         Partially revert:
5686         2012-03-29  Richard Guenther  <rguenther@suse.de>
5688         * rtl.h (extended_count): Remove.
5689         * combine.c (extended_count): Remove.
5691 2012-04-02  Dodji Seketeli  <dodji@redhat.com>
5693         PR c++/40942
5694         * pt.c (more_specialized_fn):  Don't apply decay conversion to
5695         types of function parameters.
5697 2012-04-02  Tristan Gingold  <gingold@adacore.com>
5699         * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
5700         (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
5701         (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
5702         (ggc_pch_this_base): Use uintptr_t instead of size_t.
5704 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
5706         PR bootstrap/52784
5707         * config/i386/i386.c (ix86_option_override_internal): Don't
5708         check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
5710 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
5712         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
5713         (stmt_can_make_abnormal_goto): Use it.
5714         (is_ctrl_altering_stmt): Likewise.
5716 2012-03-30  Naveen H.S  <naveen.S@kpitcummins.com>
5717             Kaz Kojima  <kkojima@gcc.gnu.org>
5719         * config/sh/sh.c (push_regs): Skip banked registers when
5720         resbank attribute is specified.
5721         (sh_expand_epilogue): Likewise.
5723 2012-03-30  Richard Henderson  <rth@redhat.com>
5725         PR debug/52727
5726         * combine-stack-adj.c (prev_active_insn_bb): New.
5727         (next_active_insn_bb): New.
5728         (force_move_args_size_note): New.
5729         (combine_stack_adjustments_for_block): Use it.
5731 2012-03-30  Richard Henderson  <rth@redhat.com>
5733         * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
5734         (ix86_expand_vector_init_duplicate): Initialize it.
5735         (expand_vec_perm_palignr): Likewise.
5736         (ix86_expand_vec_perm_const): Likewise.
5737         (ix86_vectorize_vec_perm_const_ok): Likewise.
5738         (expand_vec_perm_blend): Use it.
5739         (expand_vec_perm_vpermil): Likewise.
5740         (expand_vec_perm_pshufb): Likewise.
5741         (expand_vec_perm_1): Likewise.
5742         (expand_vec_perm_pshuflw_pshufhw): Likewise.
5743         (expand_vec_perm_interleave2): Likewise.
5744         (expand_vec_perm_vpermq_perm_1): Likewise.
5745         (expand_vec_perm_vperm2f128): Likewise.
5746         (expand_vec_perm_interleave3): Likewise.
5747         (expand_vec_perm_vperm2f128_vblend): Likewise.
5748         (expand_vec_perm_vpshufb2_vpermq): Likewise.
5749         (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
5750         (expand_vec_perm_broadcast): Likewise.
5751         (expand_vec_perm_vpshufb4_vpermq2): Likewise.
5753 2012-03-30  Richard Henderson  <rth@redhat.com>
5755         * dwarf2out.c (gen_variable_die): Initialize off.
5757 2012-03-30  Tristan Gingold  <gingold@adacore.com>
5759         * config/vms/vms-f.c: New file.
5760         * config/vms/t-vms (vms-f.o): New rule.
5761         * config.gcc (*-*-*vms*): Define fortran_target_objs.
5763 2012-03-30  Richard Guenther  <rguenther@suse.de>
5765         PR tree-optimization/52754
5766         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
5767         propagate arbitrary addresses into really plain dereferences.
5769 2012-03-30  Richard Guenther <rguenther@suse.de>
5771         PR middle-end/52772
5772         * except.c (emit_to_new_bb_before): Move loop updating ...
5773         (dw2_build_landing_pads): ... here.  Use a proper block for
5774         querying the loop father.
5776 2012-03-30  Tristan Gingold  <gingold@adacore.com>
5778         * config/ia64/ia64.c (ia64_section_type_flags): Remove
5779         common_object attribute handling.
5780         (SECTION_VMS_OVERLAY): Remove
5781         (ia64_vms_common_object_attribute): Replace abort with an assert.
5782         Do not set DECL_SECTION_NAME.
5783         (ia64_vms_output_aligned_decl_common): Handle common_object
5784         attribute.
5785         (ia64_vms_elf_asm_named_section): Remove.
5786         * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
5788 2012-03-30  Richard Guenther  <rguenther@suse.de>
5790         PR middle-end/52786
5791         * double-int.c (rshift_double): Remove not needed cast.
5793 2012-03-30  Richard Guenther  <rguenther@suse.de>
5795         * tree-affine.h (print_aff): Remove.
5796         * tree-affine.c (print_aff): Make static.
5797         * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
5798         (get_references_in_stmt): Likewise.
5799         (print_direction_vector): Likewise.
5800         (print_dir_vectors): Likewise.
5801         (print_dist_vectors): Likewise.
5802         (dump_subscript): Likewise.
5803         (dump_ddrs): Likewise.
5804         (dump_dist_dir_vectors): Likewise.
5805         (dump_data_references): Likewise.
5806         (dump_data_dependence_relation): Likewise.
5807         (dump_data_dependence_direction): Likewise.
5808         (dump_rdg_vertex): Likewise.
5809         (dump_rdg_component): Likewise.
5810         (debug_ddrs): Declare.
5811         (struct data_ref_loc_d): Move ...
5812         * tree-data-ref.c (struct data_ref_loc_d): ... here.
5813         (get_references_in_stmt): Make static.
5814         (dump_data_references): Likewise.
5815         (dump_subscript): Likewise.
5816         (print_direction_vector): Likewise.
5817         (print_dir_vectors): Likewise.
5818         (print_dist_vectors): Likewise.
5819         (dump_data_dependence_relation): Likewise.
5820         (dump_dist_dir_vectors): Likewise.
5821         (dump_ddrs): Likewise.
5822         (dump_rdg_vertex): Likewise.
5823         (dump_rdg_component): Likewise.
5824         (debug_ddrs): New function.
5825         (access_matrix_get_index_for_parameter): Remove.
5827 2012-03-30  Tristan Gingold  <gingold@adacore.com>
5829         * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
5830         (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
5831         (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
5832         (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
5833         (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
5834         (vms_patch_builtins): Handle new flags
5835         * config/vms/vms-crtlmap.map: Completed using nm on
5836         c and math system libraries.
5837         * config/vms/make-crtlmap.awk: Handle any number of flags.
5839 2012-03-30  Martin Jambor  <mjambor@suse.cz>
5841         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
5842         is a builtin_stack_save in a dominating BB.
5844 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
5846         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
5847         crossing 128bit lane boundary.
5849 2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
5851         * ira-color.c (setup_left_conflict_sizes_p): Process all
5852         conflicting objects.
5854 2012-03-29  Jakub Jelinek  <jakub@redhat.com>
5856         PR tree-optimization/52760
5857         * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
5858         shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
5860 2012-03-29  Richard Guenther  <rguenther@suse.de>
5862         * cgraph.h (cgraph_materialize_all_clones): Remove.
5863         (reset_inline_failed): Likewise.
5864         * cgraphunit.c (cgraph_materialize_all_clones): Make static.
5865         * cgraphbuild.c (reset_inline_failed): Remove.
5866         * rtl.h (cse_main): Remove.
5867         (extended_count): Likewise.
5868         * cse.c (dump_class): Mark as DEBUG_FUNCTION.
5869         (cse_main): Make static.
5870         * combine.c (extended_count): Remove.
5871         (dump_combine_stats): Mark as DEBUG_FUNCTION.
5872         * basic-block.h (reorder_basic_blocks): Remove.
5873         * bb-reorder.c (reorder_basic_blocks): Make static.
5874         * Makefile.in (dse.o): Remove dse.h dependency.
5875         * dse.h: Remove.
5876         * dse.c (gate_dse): Remove.
5877         (clear_alias_mode_eq): Likewise.
5878         (clear_alias_mode_hash): Likewise.
5879         (dse_record_singleton_alias_set): Likewise.
5880         (dse_invalidate_singleton_alias_set): Likewise.
5882 2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>
5884         * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
5885         crtbegin_so%O%s for -shared.
5886         (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
5888 2012-03-29  Richard Guenther  <rguenther@suse.de>
5890         * tree-flow.h (struct pre_expr_d): Remove forward declaration.
5891         (add_to_value): Remove.
5892         (print_value_expressions): Likewise.
5893         * tree-ssa-pre.c (add_to_value): Make static.
5894         (print_value_expressions): Likewise.
5895         * gimple.h (gimple_adjust_this_by_delta): Remove.
5896         * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
5898 2012-03-29  Richard Guenther  <rguenther@suse.de>
5900         PR middle-end/50708
5901         * double-int.h (rshift_double): Remove.
5902         * double-int.c (lshift_double): Use absu_hwi to make count positive.
5903         (rshift_double): Make static, take unsigned count argument,
5904         remove handling of negative count argument.
5905         (double_int_rshift): Dispatch to lshift_double.
5907 2012-03-28  H.J. Lu  <hongjiu.lu@intel.com>
5909         * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
5910         OPTION_MASK_ABI_64.
5912         * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
5913         (SPEC_X32): Likewise.
5914         (MULTILIB_DEFAULTS): Likewise.
5916         * config/i386/i386.c (isa_opts): Remove -m64.
5917         (ix86_target_string): Properly handle -m32/-m64/-mx32.
5918         (ix86_option_override_internal): Properly
5919         set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
5920         handle -m32, -m64 and -mx32.
5922         * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
5923         with OPTION_ABI_X32.  Moved after TARGET_LP64.
5924         (TARGET_LP64): Changed to OPTION_ABI_64.
5926         * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
5927         (mx32): Replace ISA_X32 with ABI_X32.
5929 2012-03-28  Eric Botcazou  <ebotcazou@adacore.com>
5931         * tree.c (tree_size) <VECTOR_CST>: New case.
5933 2012-03-28  Uros Bizjak  <ubizjak@gmail.com>
5935         * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
5936         (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
5938 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
5940         PR middle-end/52691
5941         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
5942         __builtin_va_start to __builtin_next_arg if the latter is
5943         builtin_decl_explicit_p rather than when it is not.
5945         PR middle-end/52750
5946         * tree-vect-generic.c (vector_element): Perform multiplication
5947         for pos in bitsizetype type instead of idx type.
5949 2012-03-28  Richard Guenther  <rguenther@suse.de>
5951         * loop-init.c (loop_optimizer_init): If loops are preserved
5952         perform incremental initialization of required loop features.
5953         (loop_optimizer_finalize): If loops are to be preserved only
5954         clean up optional loop features.
5955         (rtl_loop_done): Forcefully free loops here.
5956         * cgraph.c (cgraph_release_function_body): Forcefully free loops.
5957         * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
5958         to existing loops.
5959         (construct_init_block): Likewise.
5960         (construct_exit_block): Likewise.
5961         (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state.  Cleanup
5962         the CFG after expanding.
5963         * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
5964         If we needed to calculate them, free them afterwards.
5965         * tree-pass.h (PROP_loops): New define.
5966         * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
5967         * basic-block.h (CLEANUP_CFG_CHANGED): New.
5968         * cfgcleanup.c (merge_blocks_move): Protect loop latches.
5969         (cleanup_cfg): If we did something and have loops around, fix them up.
5970         * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
5971         with CLEANUP_CFG_CHANGED.
5972         * cfghooks.c (merge_blocks): If we merge a loop header into
5973         its predecessor, update the loop structure.
5974         (duplicate_block): If we copy a loop latch, adjust loop state
5975         to note we may have multiple latches.
5976         (delete_basic_block): Mark loops for fixup if we remove a loop.
5977         * cfganal.c (forwarder_block_p): Protect loop latches, headers
5978         and preheaders.
5979         * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
5980         (cfg_layout_can_merge_blocks_p): Likewise.
5981         * cprop.c (bypass_block): If we create a loop with multiple
5982         entries, mark it for removal.
5983         * except.c (emit_to_new_bb_before): Add the new basic-block
5984         to existing loops.
5985         * tree-eh.c (lower_resx): Likewise.
5986         * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
5987         (expand_omp_taskreg): Likewise.
5988         * tree-inline.c (initialize_cfun): Likewise.
5989         * tree-mudflap.c (add_bb_to_loop): Prototype.
5990         (mf_build_check_statement_for): Properly add new basic-blocks
5991         to existing loops.
5992         * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
5993         if we remove a loop.
5994         (thread_through_loop_header): Likewise.
5995         * trans-mem.c (tm_log_emit_save_or_restores): Properly add
5996         new basic-blocks to existing loops.
5997         (expand_transaction): Likewise.
5998         * Makefile.in (except.o): Add $(CFGLOOP_H).
5999         (expr.o): Likewise.
6000         (cgraph.o): Likewise.
6001         (cprop.o): Likewise.
6002         (cfgexpand.o): Likewise.
6003         (cfganal.o): Likewise.
6004         (trans-mem.o): Likewise.
6005         (tree-eh.o): Likewise.
6007 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
6009         PR target/52692
6010         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
6011         (avr_builtin_decl): New static function.
6012         (struct avr_builtin_description, avr_bdesc): Move up.
6013         Add GTY marker. Add field fndecl. Remove redundant field id.
6014         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
6015         (avr_expand_builtin): Code cleanup because .id is removed.
6017 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
6019         PR target/52737
6020         * config.gcc (tm_file): Remove avr/multilib.h.
6022         * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
6024         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
6025         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
6026         * config/avr/t-avr: Remove generation of multilib.h.
6027         * config/avr/t-multilib: Regenerate.
6028         * config/avr/multilib.h: Remove.
6029         * config/avr/avr.opt (-msp8): New option.
6030         (avr_sp8): New variable.
6031         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
6032         * config/avr/avr.h (AVR_HAVE_SPH): New define.
6033         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
6034         (avr_device_to_sp8): New prototype.
6035         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
6036         (DRIVER_SELF_SPECS): New define.
6037         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
6038         __AVR_SP8__, __AVR_HAVE_SPH__.
6039         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
6040         AVR_HAVE_8BIT_SP to decide if SP_H is present.
6041         (avr_file_start): Ditto.
6043 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
6045         PR target/52736
6046         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
6047         instead of 8 in adjust_address.
6049 2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
6051         PR middle-end/51893
6052         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
6053         targets.
6055 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
6057         PR target/50751
6058         * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
6059         Rearrange conditional logic.  Move displacement address calculations
6060         to ...
6061         (sh_find_mov_disp_adjust): ... this new function.
6063 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6065         * config/arm/arm.opt (mapcs): Remove MaskExists.
6066         * config/cris/linux.opt (mno-gotplt): Likewise.
6067         * config/i386/i386.opt (mhard-float): Likewise.
6068         (msse4): Likewise.
6069         (mno-sse4): Likewise.
6070         * config/m68k/m68k.opt (mhard-float): Likewise.
6071         * config/mep/mep.op (mcop32): Likewise.
6072         * config/pa/pa-hpux.opt (msio): Likewise.
6073         * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
6074         * config/picochip/picochip.opt (mlittle): Likewise.
6075         * config/sh/sh.opt (mrenesas): Likewise.
6076         * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
6077         * config/sparc/sparc.opt (mhard-float): Likewise.
6078         * config/v850/v850.opt (mv850es): Likewise.
6079         * config/vax/vax.opt (mg-float): Likewise.
6081 2012-03-27  Martin Jambor  <mjambor@suse.cz>
6083         PR middle-end/52693
6084         * tree-sra.c (sra_modify_assign): Do not call
6085         load_assign_lhs_subreplacements when working with an unscalarizable
6086         region.
6088 2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
6090         PR target/52698
6091         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
6092         New prototype.
6093         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
6094         * config/i386/i386.c: Include reload.h.
6095         (ix86_legitimize_reload_address): New function.
6097 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6099         * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
6100         hasn't been allocated.  Define a target macro for Mask and
6101         InverseMask if it hasn't been defined.  Remove MaskExists handling.
6103         * doc/options.texi: Remove MaskExists.
6105 2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
6107         PR target/52667
6108         * config/sh/sh.c (find_barrier): Add equality check of last_got
6109         to avoid going above orig insn. Update comments.
6111 2012-03-27  Richard Guenther  <rguenther@suse.de>
6113         PR middle-end/52720
6114         * fold-const.c (try_move_mult_to_index): Handle &x.array more
6115         explicitely.
6117 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
6119         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
6120         of a unit before computing the offset in units.
6121         * expr.c (get_bit_range): Return the null range if the enclosing record
6122         is part of a larger bit field.
6124 2012-03-27  Tristan Gingold  <gingold@adacore.com>
6126         * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
6127         * config/ia64/ia64.md: Remove mode in template.
6128         Sign extend operand in expand_simple_binop.
6129         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
6130         CASE_VECTOR_MODE instead of TARGET_ILP32.
6131         (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
6133 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
6135         * varasm.c (assemble_external): #if 0 out the new assert from the
6136         previous commit, it breaks the Java and Go front ends.
6138 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
6140         * toplev.c (check_global_declaration_1): Do not call assemble_external.
6141         * expr.c (emit_block_move_libcall_fn): Likewise.
6142         (clear_storage_libcall_fn): Likewise.
6143         (expand_expr_addr_expr_1): Likewise.
6144         (expand_expr_real_1): Likewise.
6145         * calls.c (rtx_for_function_call): Likewise.
6147         * varasm.c (assemble_external): Assert this function is only called
6148         during or after expanding to RTL.
6150 2012-03-26  Martin Jambor  <mjambor@suse.cz>
6152         PR tree-optimization/50052
6153         * tree-sra.c (tree_non_aligned_mem_p): Removed.
6154         (tree_non_aligned_mem_for_access_p): Likewise.
6155         (build_accesses_from_assign): Removed strict alignment requirements
6156         checks.
6157         (access_precludes_ipa_sra_p): Likewise.
6159 2012-03-26  Richard Guenther  <rguenther@suse.de>
6161         PR tree-optimization/52701
6162         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
6163         compute and set the evolution part of PHI nodes.
6165 2012-03-26  Richard Guenther  <rguenther@suse.de>
6167         PR tree-optimization/52721
6168         * tree-vect-stmts.c (vect_init_vector): Handle scalars.
6170 2012-03-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
6172         PR tree-optimization/52686
6173         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
6174         WIDEN_LSHIFT_EXPR.
6176 2012-03-26  Tristan Gingold  <gingold@adacore.com>
6178         * config/alpha/vms.h (LINK_SPEC): Simplify.
6179         (STARTFILE_SPEC): Remove -mvms-return-codes handling.
6180         (NAME__MAIN, SYMBOL__MAIN): Remove.
6181         (VMS_DEBUG_MAIN_POINTER): Remove.
6182         * config/ia64/vms.h: Likewise.
6183         * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
6184         code to vms.c.  Call vms_start_function.
6185         * config/ia64/ia64.c (ia64_start_function): Likewise.
6186         * config/vms/vms-protos.h (vms_start_function): Declare.
6187         * config/vms/vms.c (vms_start_function): New function.
6188         * config/vms/vms.h (MATH_LIBRARY): Define.
6189         (VMS_DEBUG_MAIN_POINTER): Define.
6191 2012-03-26  Eric Botcazou  <ebotcazou@adacore.com>
6193         PR rtl-optimization/52629
6194         * reload1.c (count_pseudo): Short-circuit common case.
6195         (count_spilled_pseudo): Return early for pseudos without hard regs.
6196         Assert that the pseudo has got a hard reg before manipulating it.
6198 2012-03-24  Jan Hubicka  <jh@suse.cz>
6200         PR lto/51663
6201         * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
6202         (decide_is_variable_needed): Do not handle toplevel reorder here.
6203         * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
6204         * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
6205         even at -O0.
6207 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
6209         * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
6210         and str_bitsize instead of more convoluted expressions.
6212 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
6214         PR target/52610
6215         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
6217 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
6219         PR target/52656
6220         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
6222 2012-03-23  Martin Jambor  <mjambor@suse.cz>
6224         * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
6226 2012-03-23  Richard Guenther  <rguenther@suse.de>
6228         PR tree-optimization/52678
6229         * tree-vectorizer.h (struct _stmt_vec_info): Add
6230         loop_phi_evolution_part member.
6231         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
6232         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
6233         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
6234         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6235         Use the cached evolution part and the PHI nodes value from
6236         the loop preheader edge instead of re-analyzing the evolution.
6238 2012-03-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
6240         * config/mips/mips-tables.opt: Update.
6241         * config/mips/mips.md (processor): Add xlp.
6242         * config/mips/mips-cpus.def: Add xlp.
6243         * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
6244         5KF for now.
6245         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
6246         * doc/invoke.texi: Mention XLP.
6248 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
6250         PR middle-end/52547
6251         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
6252         on any new_local_var_chain vars declared during recursing on
6253         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
6255 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
6257         * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
6258         (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
6259         (ASM_OUTPUT_LOCAL): Ditto.
6260         (ASM_OUTPUT_COMMON): Remove.
6261         * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
6262         * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
6264 2012-03-22  Jan Hubicka  <jh@suse.cz>
6266         PR middle-end/51737
6267         * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
6268         parameter.
6269         * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
6270         * ipa-inline-transform.c (save_inline_function_body): Remove
6271         copied clone if needed.
6272         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
6274 2012-03-22  Richard Guenther  <rguenther@suse.de>
6276         PR middle-end/52666
6277         * fold-const.c (fold_ternary_loc): Fix typo.
6279 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
6281         PR target/52496
6282         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
6283         (unspecv): Add UNSPECV_MEMORY_BARRIER.
6284         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
6285         (delay_cycles_1, delay_cycles_2): Ditto.
6286         (delay_cycles_3, delay_cycles_4): Ditto.
6287         (nopv, *nopv): Ditto.
6288         (sleep, *sleep): Ditto.
6289         (wdr, *wdr): Ditto.
6291 2012-03-22  Richard Guenther  <rguenther@suse.de>
6293         PR tree-optimization/52548
6294         * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
6295         because of clobbers.
6296         (prune_clobbered_mems): New function.
6297         (compute_antic_aux): Use it to prune ANTIC_OUT.
6298         (compute_partial_antic_aux): Use it to prune PA_IN.
6299         (compute_avail): Only insert expressions into EXP_GEN that are not
6300         invalidated when translated up to the beginning of the block.
6302 2012-03-22  Richard Guenther  <rguenther@suse.de>
6304         PR tree-optimization/52638
6305         * tree-vect-stmts.c (vect_init_vector_1): New function, split
6306         out from ...
6307         (vect_init_vector): ... here.  Handle scalar vector inits.
6308         (vect_get_vec_def_for_operand): Adjust.
6309         (vectorizable_load): Likewise.
6311 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
6313         * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
6314         (alpha*-*-freebsd*): Ditto.
6315         (alpha*-*-netbsd*): Ditto.
6316         (alpha*-*-openbsd*): Ditto.
6317         * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
6318         (DWARF2_DEBUGGING_INFO): Remove.
6319         (PREFERRED_DEBUGGING_TYPE): Remove.
6320         (ASM_FINAL_SPEC): Remove.
6321         (IDENT_ASM_OP): Remove.
6322         (ASM_OUTPUT_IDENT): Remove.
6323         (SKIP_ASM_OP): Remove.
6324         (ASM_OUTPUT_SKIP): Remove.
6325         (ALIGN_ASM_OP): Remove.
6326         (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
6327         (ASM_OUTPUT_CASE_LABEL): Remove.
6328         (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
6329         (COMMON_ASM_OP): Remove.
6330         (ASM_OUTPUT_ALIGNED_COMMON): Remove.
6331         (ASCII_DATA_ASM_OP): Remove.
6332         (READONLY_DATA_SECTION_ASM_OP): Remove.
6333         (INIT_SECTION_ASM_OP): Remove.
6334         (FINI_SECTION_ASM_OP): Remove.
6335         (ASM_SECTION_START_OP): Remove.
6336         (ASM_OUTPUT_SECTION_START_FILE): Remove.
6337         (TARGET_ASM_NAMED_SECTION): Remove.
6338         (TARGET_ASM_SELECT_SECTION): Remove.
6339         (MAKE_DECL_ONE_ONLY): Remove.
6340         (TYPE_ASM_OP): Remove.
6341         (SIZE_ASM_OP): Remove.
6342         (ASM_WEAKEN_LABEL): Remove.
6343         (TYPE_OPERAND_FMT): Remove.
6344         (ASM_DECLARE_RESULT): Remove.
6345         (ASM_DECLARE_OBJECT_NAME): Remove.
6346         (ASM_FINISH_DECLARE_OBJECT): Remove.
6347         (ELF_ASCII_ESCAPES): Remove.
6348         (ELF_STRING_LIMIT): Remove.
6349         (STRING_ASM_OP): Remove.
6350         (ASM_OUTPUT_EXTERNAL): Remove.
6351         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
6352         * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
6353         before define.
6354         (ASM_DECLARE_FUNCTION_NAME): Ditto.
6355         (ASM_DECLARE_FUNCTION_SIZE): Ditto.
6356         (ASM_GENERATE_INTERNAL_LABEL): Ditto.
6357         (ASM_OUTPUT_SKIP): Ditto.
6358         (READONLY_DATA_SECTION_ASM_OP): Remove.
6359         (USER_LABEL_PREFIX): Remove.
6360         (ASM_OUTPUT_ASCII): Remove.
6361         (ASM_OUTPUT_CASE_LABEL): Remove.
6362         (NO_DOLLAR_IN_LABEL): Undefine.
6364 2012-03-22  Richard Guenther  <rguenther@suse.de>
6366         PR tree-optimization/52459
6367         * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
6368         PHI insertion for calls.
6370 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
6372         * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
6373         find_sets_in_insn, canonicalize_insn): Split out from ...
6374         (cse_insn): ... here.
6375         (invalidate_from_clobbers): Take an insn instead of the pattern.
6377 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
6379         PR target/52479
6380         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
6381         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
6382         * config/sh/sh.md (sindf2, cosdf2): Remove.
6384 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
6386         PR target/52642
6387         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
6388         prologue for unwinder and profiler.
6390 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
6392         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
6393         Introduce emul_name to select the right linker emulation for
6394         powerpc64-*-freebsd*.
6395         * configure: Regenerate.
6396         * config.gcc: Add bits to support powerpc64-*-freebsd*.
6397         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
6398         * config/rs6000/freebsd64.h: New file.
6399         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
6400         POWERPC_FREEBSD.
6401         (rs6000_savres_strategy): Likewise.
6402         (rs6000_savres_routine_name): Likewise.
6403         (rs6000_elf_file_end): Likewise.
6404         * config/rs6000/t-freebsd64: New file.
6405         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
6406         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
6408         * config/rs6000/freebsd64.h: Remove duplicated entries from last
6409         commit.
6410         * config/rs6000/t-freebsd64: Likewise.
6412 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
6414         PR rtl-optimization/52543
6415         PR target/52461
6416         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
6417         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
6418         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
6419         (avr_load_libgcc_p): Restrict to __flash loads.
6420         (avr_out_lpm): Only handle 1-byte loads from __flash.
6421         (avr_load_lpm): New function.
6422         (avr_find_unused_d_reg): Remove.
6423         (avr_out_lpm_no_lpmx): Remove.
6424         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
6425         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
6426         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
6427         (load_<mode>, load_<mode>_clobber): New insns.
6428         (mov<mode>): For multi-byte move from non-generic
6429         16-bit address spaces: Expand to load_<mode> resp.
6430         load_<mode>_clobber.
6431         (load<mode>_libgcc): Remove expander.
6432         (split-lpmx): Remove split.
6434 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
6436         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
6437         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
6438         All callers changed.
6439         (Fixed_core_reg): New feature.
6440         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
6441         disassembly.
6442         * neon-testgen.ml: Handle Fixed_core_reg.
6444 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
6446         * config/arm/arm.c (thumb2_reorg): Add complete support
6447         for 16-bit instructions.
6448         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
6450 2012-03-21  Richard Guenther  <rguenther@suse.de>
6452         PR tree-optimizer/52636
6453         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
6454         to the appropriate type.
6456 2012-03-21  Richard Guenther  <rguenther@suse.de>
6458         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
6459         dependencies.
6460         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
6461         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
6462         * passes.c (init_optimization_passes): Remove pass_init_function,
6463         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
6464         * tree-pass.h (pass_init_function): Remove.
6465         (pass_jump): Remove.
6466         (pass_initial_value_sets): Remove.
6467         (pass_unshare_all_rtl): Remove.
6468         * integrate.c (pass_initial_value_sets): Remove.
6469         * emit-rtl.c (pass_unshare_all_rtl): Remove.
6470         * tree.h (init_function_for_compilation): Remove.
6471         * function.c (init_function_for_compilation): Remove.
6472         (pass_init_function): Remove.
6473         * cfgcleanup.c (rest_of_handle_jump): Remove.
6474         (pass_jump): Remove.
6476 2012-03-20  Jason Merrill  <jason@redhat.com>
6478         * tree-streamer-in.c (streamer_alloc_tree): Call
6479         ggc_alloc_zone_cleared_tree_node instead of
6480         ggc_alloc_zone_cleared_tree_node_stat.
6482 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
6484         * doc/extend.texi (Template Instantiation): Remove anachronisms.
6486 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
6488         PR target/52607
6489         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
6490         (ix86_expand_vec_perm_const_1): Call it.
6492         * config/i386/i386.c (vselect_insn): New variable.
6493         (init_vselect_insn): New function.
6494         (expand_vselect, expand_vselect_insn): Add testing_p argument.
6495         Call init_vselect_insn if vselect_insn is NULL.  Adjust
6496         PATTERN (vselect_insn), instead of creating a new insn each time,
6497         only emit a copy of it if not testing and recog has been successful.
6498         (expand_vec_perm_pshufb, expand_vec_perm_1,
6499         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
6500         callers.
6502         PR target/52607
6503         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
6504         ("enabled" attribute): Handle avx2 and noavx2 isas.
6505         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
6506         New insns.
6507         (vec_dup<mode>): Add avx2 =x,x alternative.
6508         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
6509         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
6510         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
6511         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
6512         for V8SFmode.
6513         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
6514         if possible, handle also V8SFmode.
6516 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
6518         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
6519         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
6520         reg_or_zero_operand predicate.
6521         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
6523 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
6525         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
6526         If operand isn't UNSPEC, return 0.
6528 2012-03-20  Richard Guenther  <rguenther@suse.de>
6530         * tree-pass.h (pass_rtl_eh): Remove.
6531         * except.c (gate_handle_eh): Likewise.
6532         (rest_of_handle_eh): Likewise.
6533         (pass_rtl_eh): Likewise.
6534         (finish_eh_generation): Export.
6535         * except.h (finish_eh_generation): Declare.
6536         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
6537         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
6538         after expanding stack alignment.  Instead of compacting blocks
6539         call cleanup_cfg.
6541 2012-03-20  Richard Guenther  <rguenther@suse.de>
6543         * stor-layout.c (finish_bitfield_representative): Fallback
6544         to conservative maximum size if the padding up to the next
6545         field cannot be computed as a constant.
6546         (finish_bitfield_layout): If we cannot compute the distance
6547         between the start of the bitfield representative and the
6548         bitfield member start a new representative.
6549         * expr.c (get_bit_range): The distance between the start of
6550         the bitfield representative and the bitfield member is zero
6551         if the field offsets are not constants.
6553 2012-03-20  Tristan Gingold  <gingold@adacore.com>
6555         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
6556         convert in lowercase.
6557         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
6558         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
6559         * stor-layout.c (sizetype_tab): Adjust.
6560         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
6561         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
6562         instead of type_kind_last.
6563         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
6564         instead of size_int_kind.
6565         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
6566         * doc/tm.texi: Regenerate.
6567         * defaults.h (SIZETYPE): Provide a default value.
6568         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
6569         (SIZETYPE): Define.
6571 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
6573         * config/sh/sh.md: Use braced string notation where applicable.
6575 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
6577         * config/i386/i386.md (allocate_stack): Simplify.
6579 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
6581         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
6582         copy_to_mode_reg (Pmode, ...).
6583         (expand_builtin_frame_address): Ditto.
6584         * expr.c (emit_block_move_via_libcall): Ditto.
6585         (set_storage_via_libcall): Ditto.
6587         * config/i386/i386.c (ix86_expand_movmem): Ditto.
6588         (ix86_expand_setmem): Ditto.
6589         (ix86_trampoline_init): DItto.
6590         * config/i386/i386.md (cmpstrnsi): Ditto.
6592 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
6594         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
6595         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
6596         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
6597         (SH Options): Likewise.
6599 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
6601         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
6602         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
6603         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
6604         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
6605         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
6607         Revert:
6608         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
6610         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
6611         * config/i386/i386.c (ix86_decompose_address): Use
6612         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
6613         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
6614         thread pointer to a register.
6616         Revert:
6617         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6619         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
6620         if Pmode != word_mode.
6621         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
6622         Pmode == SImode for TARGET_X32.
6624         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
6625         (tls_initial_exec_x32): Likewise.
6627 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
6629         PR target/50751
6630         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
6631         DISP_ADDR_OFFSET): New macros.
6632         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
6633         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
6634         (sh_legitimize_address): Add QImode displacement handling.
6635         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
6636         vector subregs.
6637         (sh_secondary_reload): Add QImode displacement handling.
6638         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
6639         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
6640         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
6641         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
6642         to register operands only.
6643         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
6644         (extendqihi2): Change insn to expander.
6645         (*extendqihi2_compact_reg): New insn.
6646         (movqi_i, movqi): Replace with ...
6647         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
6648         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
6649         Add new peepholes for QImode displacement addressing.
6651 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
6653         PR c++/14710
6654         * doc/invoke.texi: Document -Wuseless-cast.
6656 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6658         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
6659         * tree.h (handled_component_p): Reorder cases.
6660         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
6661         not initialize unsignedp.
6662         (loc_list_from_tree): Likewise.
6663         (fortran_common): Likewise.
6664         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
6666 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
6668         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
6669         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
6670         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
6671         (ix86_split_long_move): Ditto.
6672         (legitimize_tls_address): Use ix86_gen_sub3.
6673         (construct_plt_address): Assert that Pmode == DImode.
6675 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
6677         * config/i386/i386.md: Remove empty predicates and/or constraints.
6678         * config/i386/sync.md: Ditto.
6679         * config/i386/sse.md: Ditto.
6680         * config/i386/mmx.md: Ditto.
6681         * config/i386/pentium.md: Ditto.
6682         * config/i386/athlon.md: Ditto.
6684 2012-03-16  Richard Guenther  <rguenther@suse.de>
6686         PR tree-optimization/52603
6687         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
6688         comment.
6690         Revert
6691         2012-03-14  Richard Guenther  <rguenther@suse.de>
6693         PR tree-optimization/52571
6694         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
6695         flag_section_anchors check ...
6696         (vect_can_force_dr_alignment_p): ... here.
6698 2012-03-16  Martin Jambor  <mjambor@suse.cz>
6700         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
6701         memory through MEM_REFs by calling extract_bit_field.
6703 2012-03-16  Richard Guenther  <rguenther@suse.de>
6705         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
6706         and REFERENCE_TYPE interpretations.
6707         (can_native_interpret_type_p): New function.
6708         (fold_ternary_loc): Use native encode/interpret to fold
6709         BIT_FIELD_REFs of constants.
6711 2012-03-16  Richard Guenther  <rguenther@suse.de>
6713         PR middle-end/52584
6714         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
6715         of vector constants and constructors.
6717 2012-03-16  Richard Guenther  <rguenther@suse.de>
6719         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
6720         VIEW_CONVERT_EXPR to convert constants.
6721         (vect_is_simple_use): Treat all constants as vec_constant_def.
6723 2012-03-16  Richard Guenther  <rguenther@suse.de>
6724             Kai Tietz  <ktietz@redhat.com>
6726         PR middle-end/48814
6727         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
6728         side-effects completely in the pre-queue and use a temporary
6729         for the result.
6731 2012-03-16  Richard Guenther  <rguenther@suse.de>
6733         * stor-layout.c (finish_bitfield_representative): Fall back
6734         to the conservative maximum size if we cannot compute the
6735         size of the tail padding.
6737 2012-03-16  Tristan Gingold  <gingold@adacore.com>
6739         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
6740         __CRTL_VER and __VMS_VER.
6741         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
6742         and vms_c_get_vms_ver.
6743         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
6744         functions.
6745         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
6746         (VMS_DEFAULT_VMS_VER): Define.
6747         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
6748         (VMS_DEFAULT_VMS_VER): Define.
6750 2012-03-16  Richard Guenther  <rguenther@suse.de>
6752         * tree-vect-loop.c (get_initial_def_for_induction): Use
6753         build_constructor directly.
6754         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
6755         build_vector_from_val.
6756         * tree.c (build_vector_from_val): Avoid creating a constructor
6757         first when we want a constant vector.
6759 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6761         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
6763 2012-03-16  Richard Guenther  <rguenther@suse.de>
6765         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
6766         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
6767         (struct tree_vector): Remove elements member, add variable size
6768         elts array member.
6769         (build_vector_stat): Declare.
6770         (build_vector): Define in terms of build_vector_stat.
6771         * tree.c (build_vector): Rename to ...
6772         (build_vector_stat): ... this.  Take array of trees as parameter.
6773         (build_vector_from_ctor): Adjust.
6774         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
6775         initializer_zerop): Adjust.
6776         * cfgexpand.c (expand_debug_expr): Likewise.
6777         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
6778         const_vector_from_tree): Likewise.
6779         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
6780         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
6781         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
6782         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
6783         (lto_input_ts_vector_tree_pointers): Adjust.
6784         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
6785         (write_ts_vector_tree_pointers): Adjust.
6786         * varasm.c (const_hash_1, compare_constant, copy_constant,
6787         output_constant): Adjust.
6788         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
6789         * print-tree.c (print_node): Adjust.
6790         * tree-pretty-print.c (dump_generic_node): Adjust.
6791         * tree-vect-generic.c (uniform_vector_p, vector_element,
6792         lower_vec_perm): Adjust.
6793         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
6794         * tree-vect-slp.c (vect_get_constant_vectors,
6795         vect_transform_slp_perm_load): Adjust.
6796         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
6797         * expmed.c (make_tree): Adjust.
6798         * config/i386/i386.c (ix86_expand_builtin): Adjust.
6799         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
6800         and implementation.
6801         (sparc_fold_builtin): Adjust.
6803 2012-03-16  Tristan Gingold  <gingold@adacore.com>
6805         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
6806         * config/vms/vms-stdint.h: New file.
6808 2012-03-16  Tristan Gingold  <gingold@adacore.com>
6810         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
6811         (ia64-hp-*vms*): Replaced by ...
6812         (*-*-*vms*): ... This new entry.
6814 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
6816         PR target/52568
6817         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
6818         (ix86_expand_vec_perm_const_1): Use it.
6820         PR target/52568
6821         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
6822         (avx2_permv4df): Remove.
6823         (avx2_permv4di): Macroize into...
6824         (avx2_perm<mode>): ... this using VI8F_256 iterator.
6825         (avx2_permv4di_1): Macroize into...
6826         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
6828 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
6830         * combine.c (apply_distributive_law): Do not distribute SUBREG.
6832 2012-03-15  Ira Rosen  <irar@il.ibm.com>
6833             Ulrich Weigand  <ulrich.weigand@linaro.org>
6835         * tree-vect-patterns.c (widened_name_p): Rename to ...
6836         (type_conversion_p): ... this.  Add new argument to determine
6837         if it's a promotion or demotion operation.  Check for
6838         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
6839         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
6840         widened_name_p.
6841         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
6842         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
6843         Likewise.
6844         (vect_recog_mixed_size_cond_pattern): Likewise and allow
6845         non-constant then and else clauses.
6847 2012-03-15  Ira Rosen  <irar@il.ibm.com>
6848             Ulrich Weigand  <ulrich.weigand@linaro.org>
6850         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
6851         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
6852         vect_pattern_recog.
6853         * tree-vect-patterns.c (widened_name_p): Pass basic block
6854         info to vect_is_simple_use.
6855         (vect_recog_dot_prod_pattern): Fail for basic blocks.
6856         (vect_recog_widen_sum_pattern): Likewise.
6857         (vect_handle_widen_op_by_const): Support basic blocks.
6858         (vect_operation_fits_smaller_type,
6859         vect_recog_over_widening_pattern): Likewise.
6860         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
6861         Update call to vect_is_simple_use.
6862         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
6863         Add printing.
6864         (check_bool_pattern): Add an argument, update call to
6865         vect_is_simple_use and the recursive calls.
6866         (vect_recog_bool_pattern): Update relevant function calls.
6867         Add printing.
6868         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
6869         (vect_pattern_recog_1): Check for reduction only in loops.
6870         (vect_pattern_recog): Add new argument.  Support basic blocks.
6871         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
6872         info to vect_is_simple_use_1.
6873         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
6874         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
6876 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
6877             Andrew Pinski  <apinski@cavium.com>
6879         PR middle-end/52592
6880         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
6881         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
6882         calls instead of __builtin_ir{int,ound}*.
6884 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6886         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
6887         documentation.
6889 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
6891         * config.gcc (target_type_format_char): New. Document it. Set it for
6892         arm*-*-* .
6893         * configure.ac (gnu_unique_option): Use target_type_format_char
6894         in test.  Comment rationale.
6895         * configure: Regenerate .
6897 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
6899         PR tree-optimization/52267
6900         * tree-vrp.c (masked_increment): New function.
6901         (register_edge_assert_for_2): Derive ASSERT_EXPRs
6902         from (X & CST1) cmp CST2 tests.
6904 2012-03-15  Richard Guenther  <rguenther@suse.de>
6906         PR middle-end/52580
6907         * tree-data-ref.c (subscript_dependence_tester_1): Check
6908         all dimensions for non-conflicting access functions.
6910 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6912         PR c++/44783
6913         * doc/invoke.texi [C++ Language Options]: Document
6914         -ftemplate-backtrace-limit.
6916 2012-03-15  Tristan Gingold  <gingold@adacore.com>
6918         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
6919         before a parameter.
6921 2012-03-15  Tristan Gingold  <gingold@adacore.com>
6923         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
6924         use DW_OP_call_frame_cfa.
6926 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6928         PR target/50797
6929         * config/i386/i386-opts.h (pmode): New.
6931         * config/i386/i386.c (ix86_option_override_internal): Properly
6932         check and set ix86_pmode.
6934         * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
6936         * config/i386/i386.opt (maddress-mode=): New.
6938         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
6940 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6942         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
6943         (dwarf2out_do_cfi_asm): Likewise.
6944         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
6945         handling.
6946         (add_data_member_location_attribute): Likewise.
6947         (gen_array_type_die): Likewise.
6948         (gen_subprogram_die): Likewise.
6949         (gen_producer_string): Likewise.
6950         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
6951         Remove MIPS_DEBUGGING_INFO handling.
6952         (sdb_debug_hooks): Likewise.
6953         (sdbout_begin_block): Likewise.
6954         (sdbout_end_block): Likewise.
6955         (sdbout_begin_prologue): Likewise.
6956         (sdbout_start_source_file): Likewise.
6957         (sdbout_end_source_file): Likewise.
6958         (sdbout_init): Likewise.
6959         * system.h (MIPS_DEBUGGING_INFO): Poison.
6961 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6963         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
6964         (alpha_file_start) [MS_STAMP]: Remove.
6966         * config/alpha/elf.h (TARGET_GAS): Remove.
6967         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
6968         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
6969         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
6970         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
6971         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
6972         (alpha*-*-freebsd*): Likewise.
6973         (alpha*-*-netbsd*): Likewise.
6974         (alpha*-*-openbsd*): Likewise.
6975         (alpha*-*-*): Remove target_cpu_default2.
6976         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
6977         handling.
6978         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
6979         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
6980         * config/alpha/alpha.c (print_operand): Always assume
6981         TARGET_AS_SLASH_BEFORE_SUFFIX.
6982         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
6983         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
6984         ("*builtin_setjmp_receiver_er_1"): Remove.
6985         * config/alpha/alpha.opt (malpha-as): Remove.
6986         (mgas): Ignore.
6987         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
6988         -malpha-as, -mgas.
6989         Remove DEC Unix reference.
6991         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
6992         (EXTENDED_COFF): Remove.
6993         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
6994         (EXTENDED_COFF): Don't undef.
6995         * config/alpha/alpha.c (alpha_file_start): Always assume
6996         OBJECT_FORMAT_ELF.
6997         Don't set targetm.asm_file_start_file_directive.
6998         [!OBJECT_FORMAT_ELF]: Remove.
6999         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
7001         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
7002         (DBX_DEBUGGING_INFO): Remove.
7003         (MIPS_DEBUGGING_INFO): Remove.
7004         (PREFERRED_DEBUGGING_TYPE): Remove.
7005         (DBX_OUTPUT_SOURCE_LINE): Remove.
7006         (SDB_OUTPUT_SOURCE_LINE): Remove.
7007         (DBX_CONTIN_LENGTH): Remove.
7008         (NO_DBX_FUNCTION_END): Remove.
7009         (ASM_STABS_OP): Remove.
7010         (ASM_STABN_OP): Remove.
7011         (ASM_STABD_OP): Remove.
7012         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
7013         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
7014         (PUT_SDB_DEF): Remove.
7015         (PUT_SDB_PLAIN_DEF): Remove.
7016         (PUT_SDB_TYPE): Remove.
7017         (sdb_label_count): Remove.
7018         (PUT_SDB_BLOCK_START): Remove.
7019         (PUT_SDB_BLOCK_END): Remove.
7020         (PUT_SDB_FUNCTION_START): Remove.
7021         (PUT_SDB_FUNCTION_END): Remove.
7022         (PUT_SDB_EPILOGUE_END): Remove.
7023         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
7024         (MIPS_DEBUGGING_INFO): Don't undef.
7025         (DBX_DEBUGGING_INFO): Don't undef.
7026         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
7027         (MIPS_DEBUGGING_INFO): Don't undef.
7028         (DBX_DEBUGGING_INFO): Don't undef.
7029         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
7030         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
7031         handling.
7032         (alpha_start_function): Likewise.
7033         (sdb_label_count): Remove.
7034         (alpha_output_filename): Remove DBX_DEBUG handling.
7035         (alpha_file_start): Likewise.
7037 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7039         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
7040         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
7041         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
7042         Solaris 8 support.
7043         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
7044         (ld_tls_support): Remove Solaris 8 references.
7045         (lwp_dir, lwp_spec): Remove support for alternate thread library.
7046         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
7047         * configure: Regenerate.
7048         * config.in: Regenerate.
7050         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
7051         * config/i386/sol2.h: Remove Solaris 8 references.
7053         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
7054         (i?86-*-solaris2.9): ... this.
7055         Remove Solaris 8 references.
7056         (Specific, *-*-solaris2*): Document Solaris 8 removal.
7057         Remove Solaris 8 references.
7059 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7061         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
7062         (mips-sgi-irix6.5*): Remove.
7063         * config.host (mips-sgi-irix*): Remove.
7064         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
7065         (set_have_as_tls): Remove *-*-irix6*.
7066         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
7067         * configure: Regenerate.
7069         * config/mips/iris6.h: Remove.
7070         * config/mips/iris6.opt: Remove.
7071         * config/mips/t-irix6: Remove.
7073         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
7074         (TARGET_IRIX6): Remove.
7075         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
7076         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
7077         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
7078         handling.
7079         (mips_file_start): Likewise.
7080         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
7082         * config/mips/driver-native.c [__sgi__]: Remove.
7083         (host_detect_local_cpu) [__sgi__]: Remove.
7085         * config/mips/gnu-user.h: Remove iris5.h reference.
7087         * config/mips/mips-modes.def: Remove IRIX 6 reference.
7088         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
7089         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
7090         Remove.
7092         * gcc.c (main): Move asm_debug initialization ...
7093         (asm_debug): ... here.
7095         * ginclude/stddef.h (__STDDEF_H__): Don't define.
7097         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
7098         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
7099         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
7100         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
7101         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
7102         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
7103         Remove.
7104         * doc/tm.texi: Regenerate.
7106         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
7107         IRIX 6 reference.
7108         (MIPS Options, -march): Remove IRIX reference.
7109         * doc/install.texi (Binaries, SGI IRIX): Remove.
7110         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
7111         of section.
7112         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
7114 2012-03-14  Martin Jambor  <mjambor@suse.cz>
7116         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
7117         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
7118         (expand_expr_real_1): Do not handle misalignment if modifier is
7119         EXPAND_WRITE.
7121 2012-03-14  Richard Guenther  <rguenther@suse.de>
7123         PR middle-end/52584
7124         * tree-vect-generic.c (type_for_widest_vector_mode): Take
7125         element type instead of mode, use build_vector_type_for_mode
7126         instead of the langhook, build a vector of proper signedness.
7127         (expand_vector_operations_1): Adjust.
7129 2012-03-14  Richard Guenther  <rguenther@suse.de>
7131         PR middle-end/52582
7132         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
7133         a cgraph node for a FUNCTION_DECL that comes from a constructor.
7134         (gimple_get_virt_method_for_binfo): Likewise.
7136 2012-03-14  Richard Guenther  <rguenther@suse.de>
7138         PR tree-optimization/52571
7139         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
7140         flag_section_anchors check ...
7141         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
7142         DECL_COMMON variables.
7144 2012-03-14  Richard Guenther  <rguenther@suse.de>
7146         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
7147         * stor-layout.c (start_bitfield_representative): New function.
7148         (finish_bitfield_representative): Likewise.
7149         (finish_bitfield_layout): Likewise.
7150         (finish_record_layout): Call finish_bitfield_layout.
7151         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
7152         for QUAL_UNION_TYPE fields.
7153         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
7154         Stream DECL_BIT_FIELD_REPRESENTATIVE.
7155         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
7157         PR middle-end/52080
7158         PR middle-end/52097
7159         PR middle-end/48124
7160         * expr.c (get_bit_range): Unconditionally extract bitrange
7161         from DECL_BIT_FIELD_REPRESENTATIVE.
7162         (expand_assignment): Adjust call to get_bit_range.
7164 2012-03-14  Richard Guenther  <rguenther@suse.de>
7166         PR middle-end/52578
7167         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
7168         the outermost conversion is a sign-change only.
7169         (fold_binary_loc): Disregard widening and sign-changing
7170         conversions when we determine if two variables are equal
7171         for reassociation.
7172         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
7173         (T1)x if the outermost conversion is a sign-change only.
7175 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
7177         Revert:
7178         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
7180         * config/i386/predicates.md (constant_call_address_operand): Declare
7181         as special predicate.  Update all uses.
7183 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
7185         PR c/52577
7186         * c-parser.c (c_parser_postfix_expression)
7187         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
7189         * config/i386/smmintrin.h: Avoid /* within a comment.
7190         * config/i386/nmmintrin.h: Likewise.
7192 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7194         * config/i386/i386.md (xbegin): Remove constraint from expander.
7196 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7198         * config/i386/predicates.md (constant_call_address_operand): Declare
7199         as special predicate.  Update all uses.
7200         * config/i386/i386.md: Remove mode from constant_call_address_operand
7201         predicates.
7202         * config/i386/i386.c (ix86_output_call_insn): Call
7203         constant_call_address_operand with VOIDmode.
7205 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7207         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
7208         AND zero extended address correctly.
7210 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7212         * config/i386/predicates.md (tls_symbolic_operand): Declare as
7213         special predicate.
7214         (tls_modbase_operand): Ditto.
7215         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
7216         tls_modbase_operand predicates.
7218 2012-03-13  Martin Jambor  <mjambor@suse.cz>
7220         * expr.c (expand_assignment): Handle misaligned scalar writes to
7221         memory through top-level MEM_REFs by calling store_bit_field.
7223 2012-03-13  Richard Guenther  <rguenther@suse.de>
7225         PR middle-end/52134
7226         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
7227         if Y is a constant multiple of 1 << CST.
7229 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
7231         PR target/52488
7232         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
7233         offset (size) to a value the insns can deal with.
7234         (expand_epilogue): Ditto.
7236 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
7238         * config/arm/neon.ml (ops): Fixup expected instructions for
7239         unsigned vector compares.
7241 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7243         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
7244         addresses only when %reg is not in word mode.
7246 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7248         * config/microblaze/microblaze.md: Fix typo.
7249         * tree-if-conv.c: Likewise.
7250         * tree-vect-patterns.c: Likewise.
7252 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7254         * config.gcc (extra_passes): Remove.
7255         * configure.ac (extra_passes): Don't substitute.
7256         * configure: Regenerate.
7257         * Makefile.in (EXTRA_PASSES): Remove.
7258         (GCC_PASSES): Remove $(EXTRA_PASSES).
7259         (MOSTLYCLEANFILES): Likewise.
7260         (native): Likewise.
7261         (install-common): Likewise.
7263 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7265         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
7266         * config/i386/i386.c (ix86_decompose_address): Use
7267         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
7268         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
7269         thread pointer to a register.
7271 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7273         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
7274         on tls_symbolic_operand.
7275         (tls_global_dynamic_64_<mode>): Likewise.
7277 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
7279         PR other/52545
7280         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
7281         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
7283 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
7285         PR target/52499
7286         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
7287         type from reg_class_t to enum reg_class.
7288         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
7290 2012-03-12  Andrew Pinski  <apinski@cavium.com>
7292         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
7293         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
7294         (value_replacement): Likewise.
7295         (empty_block_p): Check also if the PHIs for the block are empty.
7297 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
7299         PR target/52148
7300         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
7301         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
7302         r184615 from 2012-02-28.
7304 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7306         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
7307         (ix86_gen_tls_local_dynamic_base_64): Likewise.
7308         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
7309         and ix86_gen_tls_local_dynamic_base_64.
7310         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
7311         ix86_gen_tls_local_dynamic_base_64.
7313         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
7314         (*tls_global_dynamic_64_<mode>): This.
7315         (tls_global_dynamic_64): Renamed to ...
7316         (tls_global_dynamic_64_<mode>): This.
7317         (*tls_local_dynamic_base_64): Renamed to ...
7318         (*tls_local_dynamic_base_64_<mode>): This.
7319         (tls_local_dynamic_base_64): Renamed to ...
7320         (tls_local_dynamic_base_64_<mode>): This.
7322 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7324         * config/i386/i386.c (ix86_option_override_internal): Properly
7325         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
7326         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
7327         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
7328         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
7330         * config/i386/sse.md (sse3_monitor64): Renamed to ...
7331         (sse3_monitor64_<mode>): This.
7333 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7335         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
7336         (ia64_function_arg_advance): Ditto.
7338 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7340         * config.gcc (mips*-*-openbsd*): Remove.
7341         * config/mips/openbsd.h: Remove.
7342         * config/mips/sdb.h: Remove.
7344         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
7345         * config/mips/mips.c (sdb_label_count): Remove.
7346         (mips_debugger_offset): Remove #if 0 code.
7347         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
7348         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
7350 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7352         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
7353         binutils reference.
7354         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
7355         Update binutils references.
7356         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
7357         Update binutils reference.
7358         Update Sun as/GNU ld caveat.
7359         Document binutils largefile requirement for LTO plugin.
7360         Remove reference to alternate libpthread.
7362 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7364         * config.gcc (alpha*-dec-osf5.1*): Remove.
7365         * config.host (alpha*-dec-osf*): Remove.
7366         * configure.ac (*-*-osf*): Remove.
7367         (alpha*-dec-osf*): Remove.
7368         * configure: Regenerate.
7370         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
7371         config/alpha/va_list.h, config/alpha/x-osf: Remove.
7373         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
7374         * config/alpha/alpha.c (struct machine_function): Update comment.
7375         (alpha_start_function): Remove Tru64 UNIX as handling for
7376         max_frame_size.
7377         * config/alpha/alpha.md ("exception_receiver"): Remove
7378         TARGET_LD_BUGGY_LDGP.
7379         ("*exception_receiver_2"): Likewise.
7380         * except.c (finish_eh_generation): Remove Tru64 reference.
7381         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
7382         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
7383         * target.def (handle_pragma_extern_prefix): Remove.
7385         * Makefile.in (mips-tfile.o-warn): Remove.
7386         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
7387         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
7388         * mips-tdump.c, mips-tfile.c: Remove.
7390         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
7391         extern_prefix.
7392         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
7393         (Specific, alpha*-dec-osf5.1): Note removal.
7394         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
7395         Remove.
7396         * doc/tm.texi: Regenerate.
7397         * doc/trouble.texi (Cross-Compiler Problems): Remove.
7399 2012-03-12  Richard Guenther  <rguenther@suse.de>
7401         * config/arm/arm.c (neon_dereference_pointer): Do not call
7402         covert during RTL expansion.
7404 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7406         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
7407         Options.  Mention -mpointer-size.
7409 2012-03-12  Richard Guenther  <rguenther@suse.de>
7411         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
7412         build_nonstandard_integer_type.
7414 2012-03-12  Richard Guenther  <rguenther@suse.de>
7416         * tree.c (signed_or_unsigned_type_for): Use
7417         build_nonstandard_integer_type.
7418         (signed_type_for): Adjust documentation.
7419         (unsigned_type_for): Likewise.
7420         * tree-pretty-print.c (dump_generic_node): Use standard names
7421         for non-standard integer types if available.
7423 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7425         * config/vms/vms.opt: Add vms-opts.h header.
7426         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
7427         target mask.
7428         (-mvms-return-codes): Document.
7429         (-mpointer-size): New option.
7430         (vms_pointer_size): Add enumeration.
7431         * config/vms/vms-opts.h: New file.
7432         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
7433         __INITIAL_POINTER_SIZE.
7434         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
7435         (C_COMMON_OVERRIDE_OPTIONS): Define.
7436         (DWARF2_ADDR_SIZE): Define.
7437         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
7438         * config/vms/vms-protos.h (vms_c_common_override_options):
7439         New prototype.
7440         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
7441         if -mno-pointer-size.
7442         (vms_c_common_override_options): New function.
7443         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
7444         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
7445         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
7446         and flag_vms_pointer_size.
7447         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
7448         * config.gcc (*-*-*vms*): Define xm_file.
7449         (alpha*-dec-*vms*): Do not define xm_file.
7450         (alpha64-dec-*vms*): Remove.
7451         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
7452         and tmake_file.
7454 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
7456         PR tree-optimization/51721
7457         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
7458         if (int) unsvar cmp CST.
7460 2012-03-12  Richard Guenther  <rguenther@suse.de>
7462         * tree-sra.c (create_access_replacement): Only rename the replacement
7463         if we can rewrite it into SSA form.  Properly mark register typed
7464         replacements that we cannot rewrite with TREE_ADDRESSABLE.
7465         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
7466         for aggregate or BLKmode results.
7468 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
7470         PR tree-optimization/52533
7471         * tree-vrp.c (register_edge_assert_for_2): Use double_int
7472         type for mask, only handle shifts by non-zero in-range
7473         shift count, for LE_EXPR and GT_EXPR if new_val is
7474         maximum, don't add the assertion.
7476 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
7478         * doc/invoke.texi: Document -mrtm option.
7479         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
7480         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
7481         (ix86_handle_option): Handle OPT_mrtm.
7482         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
7483         xtestintrin.h.
7484         (x86_64-*-*): Ditto.
7485         * i386-builtin-types.def (INT_FTYPE_VOID): New.
7486         * config/i386/i386-c.c (ix86_target_macros_internal): Define
7487         __RTM__ if needed.
7488         (ix86_target_string): Define -mrtm option.
7489         (PTA_RTM): New.
7490         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
7491         Handle new option.
7492         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
7493         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
7494         IX86_BUILTIN_XTEST.
7495         (bdesc_special_args): Ditto.
7496         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
7497         (ix86_expand_special_args_builtin): Handle new built-in type.
7498         (ix86_expand_builtin): Handle XABORT instruction.
7499         * config/i386/i386.h (TARGET_RTM): New.
7500         * config/i386/i386.md (UNSPECV_XBEGIN): New.
7501         (UNSPECV_XEND): Ditto.
7502         (UNSPECV_XABORT): Ditto.
7503         (UNSPECV_XTEST): Ditto.
7504         (xbegin): Ditto.
7505         (xbegin_1): Ditto.
7506         (xend): Ditto.
7507         (xabort): Ditto
7508         (xtest): Ditto.
7509         (xtest_1): Ditto.
7510         * config/i386/i386.opt (mrtm): New.
7511         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
7512         * config/i386/rtmintrin.h: New header.
7513         * config/i386/xtestintrin.h: Ditto.
7515 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7517         * ginclude/stddef.h: Adjust previous patch.
7518         Use __VMS__ instead of VMS.
7520 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
7522         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
7523         Also convert sequences with CC setting arithmetic instruction.
7525 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
7527         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
7528         from C Language Options to Preprocessor Options.
7529         (C Dialect Options): Move -no-integrated-cpp documentation
7530         from here...
7531         (Preprocessor Options): ...to here.  Rewrite the description
7532         so it makes more sense, and remove discussion of merging front ends.
7534 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7536         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
7537         needed for loop.
7538         (ix86_expand_setmem): Likewise.
7540 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
7542         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
7543         convert_to_mode.
7545 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7547         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
7548         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
7550 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7552         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
7554 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7556         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
7557         TARGET_64BIT.
7559 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7560             Uros Bizjak  <ubizjak@gmail.com>
7562         * config/i386/predicates.md (call_insn_operand): Allow
7563         constant_call_address_operand in Pmode only.
7564         (sibcall_insn_operand): Ditto.
7565         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
7566         (*call_vzeroupper): Ditto.
7567         (*sibcall): Ditto.
7568         (*sibcall_vzeroupper): Ditto.
7569         (*call_value): Ditto.
7570         (*call_value_vzeroupper): Ditto.
7571         (*sibcall_value): Ditto.
7572         (*sibcall_value_vzeroupper): Ditto.
7573         (*indirect_jump): Ditto.
7574         (*tablejump_1): Ditto.
7575         (indirect_jump): Convert memory address to word mode for TARGET_X32.
7576         (tablejump): Ditto.
7577         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
7578         to word mode.
7580 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
7582         PR target/51244
7583         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
7584         Use movrt_negc instead of negc pattern for non-SH2A.
7585         (*movnegt): Remove.
7586         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
7588 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
7590         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
7591         if Pmode != word_mode.
7592         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
7593         Pmode == SImode for TARGET_X32.
7595         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
7596         (tls_initial_exec_x32): Likewise.
7598 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
7600         PR rtl-optimization/52528
7601         * combine.c (can_combine_p): Add setting of subst_low_luid
7602         before call to expand_field_assignment().
7604 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
7606         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
7607         and related program names.
7609 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
7611         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
7613 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
7615         PR target/52530
7616         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
7617         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
7618         to set code to 'q'.
7619         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
7620         (*movdi_internal_rex64): Use %E operand modifier for lea.
7621         (*movsi_internal): Ditto.
7622         (*lea_1): Ditto.
7623         (*lea<mode>_2): Ditto.
7624         (*lea_{3,4,5,6}_zext): Ditto.
7625         (*tls_global_dynamic_32_gnu): Ditto.
7626         (*tls_global_dynamic_64): Ditto.
7627         (*tls_dynamic_gnu2_lea_32): Ditto.
7628         (*tls_dynamic_gnu2_lea_64): Ditto.
7629         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
7631 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
7633         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
7634         redefine to be NULL if the current bit-size is different from the
7635         configured bit-size.
7637         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
7638         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
7639         set the default tuning.  Add asserts to make sure the cpu and tune
7640         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
7641         test whether the index is set, instead of > 0.
7642         (rs6000_file_start): Do not reset the default cpu if the current
7643         bit-size is different from the configured bit-size.
7645 2012-03-09  Tristan Gingold  <gingold@adacore.com>
7647         * config/vms/vms-crtlmap.map: Add comments.
7648         Add entries needed to build Ada RTS.
7650 2012-03-09  Tristan Gingold  <gingold@adacore.com>
7652         * ginclude/stddef.h: Do not define __size_t on VMS.
7654 2012-03-09  Tristan Gingold  <gingold@adacore.com>
7656         * c-tree.h (c_default_pointer_mode): New variable.
7657         * c-decl.c (c_default_pointer_mode): New variable.
7658         (c_build_pointer_type): New function.
7659         (grokdeclarator): Call c_build_pointer_type instead
7660         of build_pointer_type.
7662         * config/vms/vms-c.c: Include c-tree.h
7663         (saved_pointer_mode): New variable.
7664         (handle_pragma_pointer_size): New function.
7665         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
7666         (vms_c_register_pragma): Register __pointer_size and
7667         __required_pointer_size pragmas.
7669 2012-03-09  Tristan Gingold  <gingold@adacore.com>
7671         * config/vms/vms-c.c (vms_construct_include_filename): New function.
7672         (vms_c_register_includes): Reference it.
7674 2012-03-09  Andrew Pinski  <apinski@cavium.com>
7676         PR middle-end/51988
7677         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
7678         print_generic_expr.
7679         (tree_ssa_phiopt_worker): Go through all the PHIs for
7680         value_replacement instead of just the singleton one.
7681         (value_replacement): Change return type to int.  Return 0 instead of
7682         false.
7683         Allow the middle basic block to contain more than just the defining
7684         statement.
7685         Handle non empty middle basic blocks.
7686         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
7688 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
7690         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
7691         array reference and component reference.
7692         (analyze_scalar_evolution_for_address_of): New.
7694 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
7696         PR target/49862
7697         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
7698         (hwloop_pattern_reg): Fix set but not used warning.
7699         (bfin_reorg_loops): Remove unused parameter.
7700         (bfin_reorg): Update use of bfin_reorg_loops.
7702 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
7704         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
7705         with integer parameters in registers.
7706         (gen_push): Push register in word_mode instead of Pmode.
7707         (ix86_emit_save_regs): Likewise.
7708         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
7709         (gen_pop): Pop register in word_mode instead of Pmode.
7710         (ix86_emit_restore_regs_using_pop): Likewise.
7711         (ix86_expand_prologue): Replace Pmode with word_mode for push
7712         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
7713         restore RAX and R10 in word_mode.
7714         (ix86_emit_restore_regs_using_mov): Restore integer registers
7715         in word_mode.
7716         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
7717         word_mode.
7718         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
7719         (ix86_split_long_move): Likewise.
7721         * config/i386/i386.md (W): New.
7722         (*push<mode>2_prologue): Replace :P with :W.
7723         (*pop<mode>1): Likewise.
7724         (*pop<mode>1_epilogue): Likewise.
7725         (push/pop peephole2): Use word_mode scratch registers.
7727 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
7729         * config/i386/predicates.md (indirect_branch_operand): Simplify.
7731 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
7733         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
7734         for constants in [-63,63].
7736 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
7738         PR target/52530
7739         Revert:
7740         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
7742         * config/i386/i386.c (ix86_print_operand_address): Only handle
7743         zero-extended DImode addresses.
7745 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7747         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
7748         * configure: Regenerate.
7750 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
7752         PR target/52496
7753         * config/avr/avr.c (avr_mem_clobber): New static function.
7754         (avr_expand_delay_cycles): Add memory clobber operand to
7755         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
7756         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
7757         (enable_interrupt, disable_interrupt): New expander.
7758         (nopv, sleep, wdr): New expanders.
7759         (delay_cycles_1): Add memory clobber.
7760         (delay_cycles_2): Add memory clobber.
7761         (delay_cycles_3): Add memory clobber.
7762         (delay_cycles_4): Add memory clobber.
7763         (cli_sei): New insn from former "enable_interrupt",
7764         "disable_interrupt" with memory clobber.
7765         (*wdt): New insn from former "wdt" with memory clobber.
7766         (*nopv): Similar, but for "nopv".
7767         (*sleep): Similar, but for "sleep".
7769 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
7770             Kaz Kojima  <kkojima@gcc.gnu.org>
7772         PR target/52503
7773         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
7774         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
7775         (SUBTARGET_OVERRIDE_OPTIONS): Define.
7777 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
7779         * config/i386/predicates.md (x86_64_zext_general_operand): New.
7780         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
7781         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
7783 2012-03-07  Walter Lee  <walt@tilera.com>
7785         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
7786         REG_CFA_* notes for the stack pointer.
7787         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
7788         EH_RETURN_STACKADJ_RTX.
7789         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
7790         generate REG_CFA_* notes for the stack pointer.
7791         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
7792         by EH_RETURN_STACKADJ_RTX.
7794 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
7796         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
7797         when __AVR_3_BYTE_PC__ is defined.
7799 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
7801         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
7802         (ix86_print_operand): Handle '^'.
7803         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
7804         using P mode iterator.  Add %^ to asm template to conditionally emit
7805         addr32 prefix.
7806         (*rep_movdi_rex64): Ditto.
7807         (*strsetdi_rex_1): Ditto.
7808         (*rep_stosdi_rex64): Ditto.
7809         (*strmov{si,hi,qi}_1): Add %^ to asm template to
7810         conditionally emit addr32 prefix.
7811         (*rep_mov{si,qi}): Ditto.
7812         (*strset{si,hi,qi}): Ditto.
7813         (*rep_stos{si,qi}): Ditto.
7814         (*cmpstrnqi_nz_1): Ditto.
7815         (*cmpstrnqi_1): Ditto.
7816         (*strlenqi_1): Ditto.
7818 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
7820         * config/i386/i386.c (function_value_64): Return pointers in
7821         word_mode instead of Pmode.
7822         (ix86_promote_function_mode): Likewise.
7824 2012-03-07  Richard Guenther  <rguenther@suse.de>
7826         * coverage.c (get_gcov_type): Use type_for_mode.
7827         (get_gcov_unsigned_t): Likewise.
7828         * expr.c (store_constructor): Use type_for_mode.
7829         (try_casesi): Likewise.
7830         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
7831         (add_standard_iv_candidates): Use standard type trees.
7832         * dojump.c (do_jump): Remove dead code.
7834 2012-03-07  Richard Guenther  <rguenther@suse.de>
7836         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
7838 2012-03-07  Richard Guenther  <rguenther@suse.de>
7840         * convert.c (strip_float_extensions): Move ...
7841         * tree.c (strip_float_extensions): ... here.
7843 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
7845         PR target/52484
7846         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
7848 2012-03-07  Richard Guenther  <rguenther@suse.de>
7850         * omp-low.c (extract_omp_for_data): Use signed_type_for.
7851         (expand_omp_for_generic): Likewise.
7852         (expand_omp_for_static_nochunk): Likewise.
7853         (expand_omp_for_static_chunk): Likewise.
7854         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
7855         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
7856         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
7857         Use unsigned_type_for.
7858         (vect_create_cond_for_align_checks): Use signed_type_for.
7860 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
7862         PR rtl-optimization/52203
7863         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
7864         all callers to pass NULL except ...
7865         (reset_sched_cycles_in_current_ebb): ... here, save the value
7866         in new variable 'empty'.  Increase issue_rate only for
7867         non-empty insns.
7869 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
7871         PR target/51417
7872         * Makefile.in: Let install-gcc-ar depend on installdirs,
7873         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
7874         Don't double canonicalize if cross-compiling.
7876 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
7878         PR target/52506
7879         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
7880         to: RAMPZ, RAMPY, RAMPX, RAMPD.
7881         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
7883 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
7885         PR target/52505
7886         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
7887         from RAM.
7888         * config/avr/avr.md (xload_8): Adjust insn length.
7890 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
7892         PR target/52461
7893         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
7894         if RAMPZ affects reading from RAM.
7896 2012-03-07  Richard Guenther  <rguenther@suse.de>
7898         PR pch/52518
7899         PR pch/38987
7900         * doc/invoke.texi (Precompiled Headers): Remove sentence that
7901         suggests you can include PCHs from inside another header.
7903 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
7905         PR middle-end/52515
7906         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
7908 2012-03-07  Kai Tietz  <ktietz@redhat.com>
7910         * doc/invoke.texi (fwritable-relocated-rdata): Document
7911         new Cygwin/MinGW target option.
7912         * config/i386/winnt.c (i386_pe_unique_section): Ignore
7913         reloc if flag -fwritable-relocated-rdata is not set.
7914         (i386_pe_section_type_flags): Likewise.
7915         * config/i386/cygming.opt (fwritable-relocated-rdata):
7916         Add new flag variable flag_writable_rel_rdata.
7918 2012-03-07  Richard Guenther  <rguenther@suse.de>
7920         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
7921         precision against gimple constraints.
7923 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
7925         PR middle-end/52372
7926         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
7927         variables.
7928         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
7929         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
7930         variables.
7931         (init_emit_regs): Move associated initialization to...
7932         (init_emit_once): ...here.
7934 2012-03-06  Richard Henderson  <rth@redhat.com>
7936         * config/m68k/m68k.h (ISA_HAS_TAS): New.
7937         * config/m68k/sync.md (atomic_test_and_set): Use it.
7938         (atomic_test_and_set_1): Likewise.
7940 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
7942         PR target/50310
7943         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
7944         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
7945         (vector_ltgt<mode>): Likewise.
7946         (vector_ordered<mode>): Likewise.
7947         (vector_unordered<mode>): Likewise.
7948         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
7950 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
7952         * trans-mem.c: New typedef for tm_region_p.
7953         Define vector types for tm_region_p.
7954         (tm_region_init): Replace region_worklist to a vector called
7955         bb_regions.
7957 2012-03-06  Richard Guenther  <rguenther@suse.de>
7959         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
7960         MEM_REF with constant pointer operand.
7962 2012-03-06  Richard Guenther  <rguenther@suse.de>
7964         PR middle-end/52493
7965         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
7967 2012-03-06  Tristan Gingold  <gingold@adacore.com>
7969         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
7970         (external_model_kind): Improve documentation.
7971         (vms_pragma_extern_model): Handle relaxed_redef.
7972         (vms_c_register_pragma): Allow expansion for nomember_alignment.
7974 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
7976         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
7977         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
7978         Some more notes on EIND usage and reorder EIND subsection.
7980 2012-03-06  Tristan Gingold  <gingold@adacore.com>
7982         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
7983         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
7985 2012-03-06  Tristan Gingold  <gingold@adacore.com>
7987         * config/vms/t-vmsnative (version): Define.
7988         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
7990 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
7992         PR rtl-optimization/52250
7993         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
7994         to put note list into.  Unconditionally call move_bb_info.
7995         (move_bb_info): Do not assert the blocks being in the same region,
7996         just drop the note list if they are not.
7998 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
8000         PR target/51244
8001         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
8002         and use unified expansion logic.
8003         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
8004         closer to the existing movt insn.
8005         (negc): Rename insn to *negc.  Add new expander.
8006         (movnegt): Use xor pattern for T bit negation.  Reserve helper
8007         constant for negc pattern.
8008         (*movnegt): New insn and splitter.
8010 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
8012         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
8013         PLUS_EXPR.
8015 2012-03-05  Richard Henderson  <rth@redhat.com>
8017         * genemit.c (main): Include "target.h" in insn-emit.c.
8018         * Makefile.in (insn-emit.o): Depend on TARGET_H.
8019         * config/sh/sync.md (atomic_test_and_set): Reference
8020         targetm.atomic_test_and_set_trueval instead of
8021         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
8023 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
8025         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
8026         Make static.
8028 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
8030         * langhooks.c (add_builtin_type): New function.
8031         * langhooks.h (add_builtin_type): Export it.
8032         * config/mep/mep.c (mep_init_builtins): Use it.
8033         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
8035 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
8037         PR debug/51902
8038         * tree.h (BLOCK_SAME_RANGE): Define.
8039         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
8040         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
8041         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
8042         isn't equal to supercontext fragment's fragment chain.
8043         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
8044         fragment origin.
8045         (blocks_nreverse_all): Likewise.
8046         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
8047         BLOCK_SUPERCONTEXT to supercontext fragment instead of
8048         supercontext fragment's fragment origin.
8049         * dwarf2out.c (add_high_low_attributes): If stmt has the same
8050         range as its parent (or parents thereof etc.), use the parent's
8051         DW_AT_ranges value instead of creating a new .debug_ranges range.
8053 2012-03-05  Richard Henderson  <rth@redhat.com>
8055         PR tree-opt/52242
8056         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
8057         * omp-low.c (expand_omp_atomic): Assume anything aligned to
8058         BIGGEST_ALIGNMENT is aligned.
8060 2012-03-05  Richard Henderson  <rth@redhat.com>
8062         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
8063         * config/sh/sh.c: ... here.
8065 2012-03-05  Richard Henderson  <rth@redhat.com>
8067         PR target/52481
8068         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
8069         instead of calling negqi2 directly.
8071 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
8073         PR middle-end/52463
8074         * trans-mem.c (tm_region_init): Use last_basic_block.
8076 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
8078         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
8079         * config/sh/sync.md (atomic_test_and_set): New expander.
8080         (tasb, atomic_test_and_set_soft): New insns.
8081         * config/sh/sh.opt (menable-tas): New option.
8082         * doc/invoke.texi (SH Options): Document it.
8084 2012-03-05  Richard Guenther  <rguenther@suse.de>
8086         * cfgloop.c (verify_loop_structure): Verify dominators before
8087         using them.
8088         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
8089         dominators from here.
8090         * graphite-scop-detection.c (create_sese_edges): Likewise.
8091         * loop-doloop.c (doloop_optimize_loops): Likewise.
8092         * loop-init.c (loop_optimizer_init): Likewise.
8093         * loop-unroll.c (unroll_and_peel_loops): Likewise.
8094         * loop-unswitch.c (unswitch_loops): Likewise.
8095         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
8096         * tree-parloops.c (parallelize_loops): Likewise.  Verify
8097         only when checking is enabled.
8098         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
8100 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
8102         * genautomata.c (parse_automata_opt): New static function.
8103         (initiate_automaton_gen): Remove all option handling code.  Remove
8104         argc argument.  All callers changed.
8105         (main): Call init_rtx_reader_args_cb with the new function as argument.
8107 2012-03-05  Richard Guenther  <rguenther@suse.de>
8109         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
8110         * tree-if-conv.c (combine_blocks): Free post-dominator info
8111         after breaking it.
8112         * tree-parloops.c (create_parallel_loop): Free and re-compute
8113         dominator info after breaking it.
8115 2012-03-05  Richard Guenther  <rguenther@suse.de>
8117         PR middle-end/52353
8118         * optabs.h (trapv_unoptab_p): New function.
8119         (trapv_binoptab_p): Likewise.
8120         * optabs.c (expand_binop): Use emit_libcall_block_1 with
8121         a proper equiv_may_trap argument.
8122         (expand_unop): Likewise.
8123         (emit_libcall_block_1): Take extra argument whether the
8124         instruction may trap.  Renamed from ...
8125         (emit_libcall_block): ... this.  New wrapper.
8127 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
8129         PR tree-optimization/51721
8130         * tree-vrp.c (register_edge_assert_for_2): If comparing
8131         lhs of right shift by constant with an integer constant,
8132         add ASSERT_EXPRs for the rhs1 of the right shift.
8134         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
8136 2012-03-05  Richard Guenther  <rguenther@suse.de>
8138         * tree.c (integer_zerop): Handle VECTOR_CSTs.
8139         (integer_onep): Likewise.
8140         (integer_all_onesp): Likewise.
8142 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
8144         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
8146 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8148         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
8149         instead of TARGET_64BIT.
8151 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8153         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
8154         adjust_stack_insn.
8156 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8158         * config/i386/i386.c (ix86_print_operand_address): Only handle
8159         zero-extended DImode addresses.
8161 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
8163         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
8164         taken and cputaken as bool.
8166 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
8168         * config/i386/constraints.md (Ya): New internal constraint.
8169         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
8170         (*zero_extendsidi2_rex64): Add x,x alternative.
8171         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
8172         Remove flags reg clobber.  Adjust corresponding splits.
8173         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
8174         zero_extendqisi2 expanders using SWI12 mode iterator.
8175         (zero_extend<mode>si2_and): Macroize insn from
8176         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
8177         splitters.
8178         (*zero_extend<mode>si2):  Macroize insn from
8179         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
8180         (*zero_extend*2_movzbl_and): Remove insn patterns.
8181         (zero_extendqihi2_and): Merge corresponding splitter.
8182         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
8183         (*zero_extend*2_movzbl_and): Remove insn patterns.
8184         (*anddi_1): Split TYPE_IMOVX instructions.
8185         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
8186         (*andhi_1): Ditto.
8187         (and->zext splitter): Add splitter pattern.
8188         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
8190 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
8192         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
8193         x86-specific text.
8194         (Debugging Options): Likewise.
8195         (Optimize Options): Likewise.
8196         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
8197         with other architectures.  Use official processor names with correct
8198         spelling/capitalization.  Fix formatting and grammar issues.
8199         (i386 and x86-64 Windows Options): Similar cleanup here.
8201 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8203         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
8205 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8207         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
8208         DBX_REGISTER_NUMBER.
8210 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8212         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
8213         operand is CONST_INT.  Take COSTS_N_INSNS into account.
8214         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
8215         of shiftcosts.
8217 2012-03-02  Richard Henderson  <rth@redhat.com>
8219         * optabs.c (expand_atomic_test_and_set): Honor
8220         atomic_test_and_set_trueval even when atomic_test_and_set
8221         optab is not in use.
8223 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
8225         PR target/48596
8226         PR target/48806
8227         * config/sh/sh.c (sh_register_move_cost): Increase cost between
8228         GENERAL_REGS and FP_REGS for SImode.
8230 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8232         PR target/49486
8233         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
8234         (absdi2): New expander.
8235         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
8237 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8239         * config/sh/sync.md (atomic_exchange<mode>): New expander.
8240         (atomic_exchange<mode>_soft): New insn.
8242 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8244         * config/sh/sync.md: Update copyright notice dates.
8245         (atomic_compare_and_swap<mode>): Use SImode for return value instead
8246         of QImode.
8247         (atomic_compare_and_swap<mode>_soft): Likewise.
8249 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8251         PR target/31640
8252         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
8253         * config/sh/sh.c: Update copyright notice dates.
8254         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
8255         alignment for TARGET_HARD_SH4.
8256         (sh_option_override): Reduce default function alignment.  Set
8257         loop alignment to 4 bytes when not optimizing for size.
8259 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
8261         PR middle-end/50335
8262         * doc/invoke.texi (floop-flatten): Remove.
8263         * toplev.c (process_options): Remove references to flag_loop_flatten.
8264         * tree-ssa-loop.c (gate_graphite_transform): Same.
8265         * common.opt (floop-flatten): Obsolete.
8266         * graphite-poly.c (apply_poly_transforms): Remove reference to
8267         flag_loop_flatten.
8268         * Makefile.in (graphite-flattening.o): Remove.
8269         * graphite-flattening.c: Remove.
8271 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
8273         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
8274         having mode compatible with the mode of previous compare.  Substitute
8275         compare mode of previous compare with the mode, compatible
8276         with eliminated and previous compare.
8278 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
8280         * config/rs6000/dfp.md (floatdidd2): New define_insn.
8282 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
8284         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
8285         compatible with CCGOCmode and CCGCmode.
8287 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
8289         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
8291 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
8293         * config/arm/arm.c (arm_sat_operator_match): New function.
8294         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
8295         * config/arm/arm.md ("insn" attribute): Add "sat" value.
8296         ("SAT", "SATrev"): New code iterators.
8297         ("SATlo", "SAThi"): New code iterator attributes.
8298         ("*satsi_<SAT:code>"): New pattern.
8299         ("*satsi_<SAT:code>_shift"): Likewise.
8300         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
8301         and "shift" attributes.
8302         ("arm_usatsihi"): Add "insn" attribute.
8303         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
8304         by powers of two.  Do not allow shift by 32.
8306 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
8308         PR target/46716
8309         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
8310         to pass the argument in the register of "natural" mode.
8312 2012-03-02  Richard Guenther  <rguenther@suse.de>
8314         PR tree-optimization/52406
8315         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
8316         (struct indices): Add unconstrained_base member.
8317         (struct dr_alias): Remove unused vops member.
8318         (DR_UNCONSTRAINED_BASE): New define.
8319         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
8320         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
8321         be an artificial access that covers the whole indexed object,
8322         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
8323         plain decl base-objects to their MEM_REF variant.
8324         (dr_may_alias_p): When the base-object of either data reference
8325         has unknown size use only points-to information.
8326         (compute_affine_dependence): Make dumps easier to read and
8327         more verbose.
8328         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
8329         DR_REF when looking for packed references.
8330         (vect_supportable_dr_alignment): Likewise.
8332 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
8334         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
8335         Improve conditions for peepholes of loads followed by commutative
8336         operators.
8337         * config/arm/ldmstm.md: Regenerated.
8339 2012-03-02  Richard Guenther  <rguenther@suse.de>
8341         * BASE-VER: Set to 4.8.0.
8343 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
8345         * config.gcc (obsolete): Add all ARM targets using the FPA.
8346         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
8347         * doc/install.texi: Avoid references to obsolete ARM ports.
8349 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
8351         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
8353 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
8354             Joern Rennecke  <joern.rennecke@embecosm.com>
8356         * doc/extend.texi: Expand and update information on interrupt
8357         attribute for Epiphany.
8359 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
8361         * config/sh/sh-protos.h: Update copyright notice dates.
8362         * config/sh/sh.h: Likewise.
8363         * config/sh/sh.md: Likewise.
8364         * config/sh/constraints.md: Likewise.
8365         * config/sh/predicates.md: Likewise.
8367 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
8369         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
8370         * config/sh/sh.c (tertiary_reload_operand): Likewise.
8372 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
8374         * config/sh/constraints.md: Fix comment typo.
8376 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8378         PR target/52408
8379         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
8380         unsigned HOST_WIDE_INT.
8381         (zvdep_imm64): Likewise.
8382         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
8383         (vdepi_and): Likewise.
8384         Likewise for unamed 64-bit patterns.
8385         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
8387 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
8389         PR debug/52001
8390         PR rtl-optimization/52417
8391         * cselib.c (cselib_any_perm_equivs): New variable.
8392         (cselib_reset_table): Check that it's not set when not
8393         preserving constants.
8394         (cselib_add_permanent_equiv): Set it.
8395         (cselib_have_permanent_equivalences): New.
8396         (cselib_init, cselib_finish): Reset it.
8397         * cselib.h (cselib_have_permanent_equivalences): Declare.
8398         * alias.c (get_addr): Restore earlier behavior when there
8399         aren't permanent equivalences.
8401 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
8403         * config/mn10300/mn10300-modes.def: Fix copyright notice.
8404         * config/v850/v850-modes.def: Fix copyright notice.
8406 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
8408         * doc/extend.texi (AVR Built-in Functions): Document
8409         __builtin_avr_flash_segment.
8411         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
8412         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
8413         (*split.flash_segment): New insn-and-split.
8414         * config/avr/avr.c (avr_init_builtins): Add local variables:
8415         const_memx_void_node, const_memx_ptr_type_node,
8416         char_ftype_const_memx_ptr.
8418 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
8420         PR tree-optimization/52445
8421         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
8422         add ssa_name_ver, offset and size fields and change store field
8423         to bool.
8424         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
8425         (add_or_mark_expr): Likewise.  Only consider previous stores
8426         with the same size and offset.
8427         (nt_init_block): Only look at gimple_assign_single_p stmts,
8428         doesn't look at rhs2.
8430 2012-03-01  Richard Guenther  <rguenther@suse.de>
8432         PR middle-end/52443
8433         * tree-cfg.c (verify_gimple_assign_unary): Allow any
8434         conversions from integral types to pointer types.
8436 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
8438         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
8439         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
8440         unintentionally removed in r184616.
8442 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
8444         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
8445         3DNow from bdver1.
8447 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
8448             Uros Bizjak  <ubizjak@gmail.com>
8450         PR target/52437
8451         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
8452         alternatives, add "e" constraint to the new last alternative
8453         and ! to last 3 alternatives.
8455 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8457         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
8458         DW_AT_artificial attributes at the end of the processing.
8459         (gen_array_type_die): Likewise.
8460         (gen_enumeration_type_die): Likewise.
8461         (gen_struct_or_union_type_die): Likewise.
8462         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
8463         the parent type.
8465 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
8467         PR middle-end/52419
8468         * expr.c (expand_assignment): If doing misaligned store that doesn't
8469         cover all mode bits, perform a RMW cycle.
8471         PR tree-optimization/52429
8472         * tree-parloops.c (separate_decls_in_region_debug): Return early
8473         if var is LABEL_DECL.
8475 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8477         PR tree-optimization/52424
8478         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
8479         calling dom_thread_across_edge.
8481 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8483         * config/avr/avr.c: Move definition of TARGET macros to end of file.
8485 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8487         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
8488         * config/avr/avr.c (avr_output_bld): Remove unused function.
8489         (avr_out_sbxx_branch): Use "%T" to print bit position.
8491 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8493         * config/avr/avr.md: Untabify.
8495 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8497         * config/avr/avr.md (eqne): New code iterator.
8498         (*dec-and-branchsi): Use it in text peephole's condition.
8499         (*dec-and-branchhi): Ditto.
8500         (*dec-and-branchqi): Ditto.
8502 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8504         PR target/49939
8505         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
8506         the device does not have the skip-bug.
8508 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
8510         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
8511         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
8512         -mpretend-cmove): New.
8514 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
8516         PR bootstrap/52397
8517         * df.h (struct df_d): Adjust comment that hard_regs_live_count
8518         doesn't count DEBUG_INSN refs.
8519         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
8520         for DEBUG_INSN refs.
8522 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8524         Partially revert:
8526         2012-02-20  Richard Guenther  <rguenther@suse.de>
8527         PR tree-optimization/52298
8528         * tree-vect-stmts.c (vectorizable_load): Properly use
8529         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
8531 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
8533         PR middle-end/51752
8534         * gimple.h (gimple_in_transaction): New.
8535         (gimple_set_in_transaction): New.
8536         (struct gimple_statement_base): Add in_transaction field.
8537         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
8538         transaction loads.
8539         (tree_ssa_lim_initialize): Compute transaction bits.
8540         * tree.h (compute_transaction_bits): Protoize.
8541         * trans-mem.c (tm_region_init): Use the heap to store BB
8542         auxilliary data.
8543         (compute_transaction_bits): New.
8545 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8547         * gcc.c (display_help): Document --help=common and sort entries
8548         alphabetically.
8550 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8552         * doc/install.texi: Document check-$LANG specific shortcuts
8554 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
8556         PR target/51534
8557         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
8558         and vcgtu.
8559         * config/arm/arm_neon.h: Regenerate.
8560         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
8561         (neon_vcgeu): New insn.
8562         (neon_vcgtu): Likewise.
8563         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
8564         (ops): Unsigned comparison intrinsics call a different builtin.
8566 2012-02-28  Richard Guenther  <rguenther@suse.de>
8568         PR target/52407
8569         * config/i386/i386.c (ix86_expand_vector_set): Fix element
8570         ordering for the VEC_CONCAT for two element vectors for
8571         V2SFmode, V2SImode and V2DImode.
8573 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
8575         PR target/49448
8576         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
8577         detecting big-endian triplets.
8579 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
8581         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
8582         mode if there is no type information available.
8584 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
8586         PR tree-optimization/53207
8587         * doc/invoke.texi: Document as experimental and relying on graphite.
8589 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
8591         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
8592         of initializer to changes from r184614.
8594 2012-02-28  Richard Guenther  <rguenther@suse.de>
8596         PR tree-optimization/52395
8597         * tree-sra.c (build_ref_for_offset): Also look at the base
8598         TYPE_ALIGN when figuring out the alignment of the replacement.
8600 2012-02-28  Richard Guenther  <rguenther@suse.de>
8602         PR tree-optimization/52402
8603         * ipa-prop.c (ipa_modify_call_arguments): Properly use
8604         mis-aligned types when creating the accesses at the call site.
8606 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
8608         * config/avr/builtins.def: New file.
8609         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
8610         * config/avr/avr.c (enum avr_builtin_id): Use it.
8611         (avr_init_builtins): Use it. And use avr_bdesc.
8612         (bdesc_1arg): Remove.
8613         (bdesc_2arg): Remove.
8614         (bdesc_3arg): Remove.
8615         (struct avr_builtin_description): Add field n_args.
8616         (avr_bdesc): New static variable using builtins.def.
8617         (avr_expand_builtin): Use it.
8618         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
8619         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
8620         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
8622 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
8624         PR target/52148
8625         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
8626         match only one single hard register with respective hard reg rtx.
8627         (movmemx_<mode>): Ditto.
8628         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
8629         insn anatomy of movmem[x]_<mode>.
8630         (avr_out_movmem): Same for printing assembler and operand usage.
8632 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
8634         PR target/49868
8635         PR target/52261
8636         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
8637         address spaces located outside of device flash.
8639         * config/avr/avr.h (base_arch_s): Remove field n_segments.
8640         (mcu_type_s): Add field n_flash.
8641         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
8642         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
8643         (AVR_MCU): Add N_FLASH argument.
8644         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
8645         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
8646         macro __FLASH<n> if that address space makes sense for the device.
8647         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
8648         outside of target flash.
8649         (avr_asm_named_section): Ditto.
8650         (avr_asm_select_section): Ditto.
8651         (avr_addr_space_convert): Ditto.
8652         (avr_emit_movmemhi): Ditto.
8653         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
8654         address space is outside of device flash.
8655         (avr_insert_attributes): Ditto.
8656         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
8657         avr_current_arch->n_segments.
8659 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
8661         PR target/52352
8662         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
8663         (*movabs<mode>_2): Likewise.
8665 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
8667         PR target/52375
8668         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
8669         s_register_operand in the test instead of REG_P.  Don't call
8670         gen_reg_rtx if it won't be used.
8672         PR tree-optimization/52376
8673         * ipa-split.c (split_function): Ignore CLOBBER stmts.
8675 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
8677         * ifcvt.c (noce_get_condition): Check condition variable is not
8678         small_register_classes_for_mode_p before accepting.
8680 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
8682         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
8684 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
8686         Revert:
8687         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
8688         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
8689         tuning parameters.
8690         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
8692 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
8694         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
8696 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
8698         * config/sh/predicates.md: Remove blank lines.
8699         * config/sh/sh.c: Fix typos in comments.
8700         * config/sh/constraints.md: Likewise.
8701         * config/sh/sh.md: Remove blank lines.
8702         Fix typos in comments.  Use ;; as comment characters.
8704 2012-02-26  Walter Lee  <walt@tilera.com>
8706         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
8707         (replace_mov_pcrel_step2): Ditto.
8709 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
8711         PR debug/52001
8712         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
8713         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
8714         and locs that reference values newer than the non-canonical value
8715         at hand.  Return the canonical value as a worst case.
8716         (memrefs_conflict_p): Walk canonical value's locs.
8718         PR debug/52001
8719         * cselib.c (preserve_only_constants): Rename to...
8720         (preserve_constants_and_equivs): ... this.  Split out...
8721         (invariant_or_equiv_p): ... this.  Preserve plus expressions
8722         of other preserved expressions too.
8723         (cselib_reset_table): Adjust.
8724         * var-tracking.c (reverse_op): Use canonical value to build
8725         reverse operation.
8727 2012-02-23  Kai Tietz  <ktietz@redhat.com>
8729         * config/i386/i386.c (ix86_delegitimize_address): Handle
8730         UNSPEC_PCREL plus displacement.
8732 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
8734         PR target/52261
8735         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
8736         to test for unusedness in st X addressing.
8738 2012-02-24  Richard Guenther  <rguenther@suse.de>
8740         PR middle-end/52361
8741         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
8742         (is_gimple_reg_type): Move inline ...
8743         * gimple.h (is_gimple_reg_type): ... here.
8745 2012-02-24  Richard Guenther  <rguenther@suse.de>
8747         PR middle-end/52361
8748         * passes.c (execute_function_todo): When verifying SSA form
8749         verify gimple form first.
8750         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
8752 2012-02-24  Richard Guenther  <rguenther@suse.de>
8754         PR middle-end/52355
8755         * fold-const.c (fold_addr_of_array_ref_difference): New function.
8756         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
8758 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8760         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
8762 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8764         * tree-phinodes.c (make_phi_node): Mark static.
8765         * tree-flow.h (make_phi_node): Remove extern decl.
8766         * doc/gimple.texi (make_phi_node): Remove documentation.
8768 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8770         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
8771         * tree-ssa-sccvn.c (print_scc): Ditto.
8773 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8775         * doc/passes.texi (Full redundancy elimination): Fix typo.
8777 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8779         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
8781 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
8783         PR bootstrap/52287
8784         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
8786 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
8788         PR c/52290
8789         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
8791 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
8793         * config/avr/avr.md (code_stdname): Add ior, xor.
8794         (xior): New code iterator.
8795         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
8796         (*<code_stdname><mode>qi.byte1-3): Ditto.
8798 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
8800         PR tree-optimization/52019
8801         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
8802         CLOBBER stmts.
8804 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8806         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
8807         HAVE_INITFINI_ARRAY to work around namespace pollution in
8808         certain versions of newlib system headers.
8809         * config.in: Regenerate.
8810         * configure: Regenerate.
8811         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
8812         instead of HAVE_INITFINI_ARRAY.
8814 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
8816         PR target/52330
8817         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
8818         is not offsettable memory reference.
8820 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
8822         PR target/18145
8823         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
8824         setting avr_need_clear_bss_p for __gnu_lto* symbols.
8826 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
8828         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
8829         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
8831 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8833         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
8834         library on Solaris 8 even without TLS support.
8835         * configure: Regenerate.
8837 2012-02-22  Richard Guenther  <rguenther@suse.de>
8839         PR middle-end/52329
8840         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
8841         for GIMPLE_DEBUG stmts.
8843 2012-02-22  Martin Jambor  <mjambor@suse.cz>
8845         PR middle-end/51782
8846         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
8847         according to the base object.
8849 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
8851         PR rtl-optimization/50063
8852         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
8853         and 2 (8-bit SP) in operand 2.
8854         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
8855         setup to use movhi_sp_r instead of vanilla move to write SP.
8856         Adjust REG_CFA notes to superseed unspec.
8857         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
8858         of vanilla move.
8859         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
8860         known to be off) only with TARGET_NO_INTERRUPTS. Never use
8861         irq_state 1 (IRQ known to be on) here.
8863 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
8865         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
8866         WORDS_BIG_ENDIAN.
8867         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
8868         assign_hard_reg): Likewise.
8870 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
8872         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
8874 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
8876         * config/avr/avr.md
8877         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
8878         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
8880 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
8882         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
8883         prototype from here to...
8884         * config/avr/avr.h: ...here.
8886 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
8888         PR target/52294
8889         * thumb2.md (thumb2_shiftsi3_short): Split register and
8890         immediate shifts.  For register shifts tie operands 0 and 1.
8891         (peephole2 for above): Check that register-controlled shifts
8892         have suitably tied operands.
8894 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
8896         PR target/52137
8897         * config/i386/bdver1.md (bdver1_call, bdver1_push,
8898         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
8899         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
8900         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
8901         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
8902         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
8903         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
8904         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
8905         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
8906         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
8907         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
8908         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
8909         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
8910         bdver1_ssevector_avx256_unaligned_load,
8911         bdver1_ssevector_sse128_unaligned_load,
8912         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
8913         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
8914         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
8915         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
8916         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
8917         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
8918         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
8919         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
8920         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
8921         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
8922         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
8923         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
8924         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
8925         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
8926         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
8927         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
8928         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
8929         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
8930         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
8931         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
8932         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
8933         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
8934         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
8935         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
8936         bdver1_ssediv_double_load, bdver1_ssediv_double,
8937         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
8938         Add "bdver2" attribute.
8940 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8942         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
8943         default if possible and not specified otherwise.
8945 2012-02-21  Richard Guenther  <rguenther@suse.de>
8947         PR middle-end/52314
8948         * gimplify.c (create_tmp_from_val): Use the main variant type
8949         for the type of the temporary we create.
8951 2012-02-21  Richard Guenther  <rguenther@suse.de>
8953         PR tree-optimization/52324
8954         * gimplify.c (gimplify_expr): When re-gimplifying expressions
8955         do not gimplify a MEM_REF address operand if it is already
8956         in suitable form.
8958 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8960         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
8961         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
8963 2012-02-21  Richard Guenther  <rguenther@suse.de>
8965         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
8966         nested_in_vect_loop.
8968 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
8970         PR tree-optimization/52318
8971         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
8972         vdef also to non-pure/const call stmts in the sequence.
8974 2012-02-21  Tristan Gingold  <gingold@adacore.com>
8976         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
8978 2012-02-20  David S. Miller  <davem@davemloft.net>
8980         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
8981         don't use the "rd %pc" instruction on v9 for PIC register loads.
8983 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
8985         PR middle-end/52141
8986         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
8987         in a transaction safe function.
8989 2012-02-20  Kai Tietz  <ktietz@redhat.com>
8991         PR target/52238
8992         * stor-layout.c (place_field): Handle desired_align for
8993         ms-bitfields, too.
8995 2012-02-20  Richard Guenther  <rguenther@suse.de>
8997         PR tree-optimization/52298
8998         * tree-vect-stmts.c (vectorizable_store): Properly use
8999         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
9000         outer loops.
9001         (vectorizable_load): Likewise.
9002         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
9003         Access DR_STEP after ensuring it is not NULL.
9005 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
9007         PR tree-optimization/52286
9008         * fold-const.c (fold_binary_loc): For (X & C1) | C2
9009         optimization use double_int_to_tree instead of build_int_cst_wide,
9010         rewrite to use double_int vars.
9012 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9014         PR target/50166
9015         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
9016         Define _start.
9017         Remove -e 0 from $gcc_cv_ld invocation.
9018         Only use __GLIBC_PREREQ if defined.
9019         Enable on Solaris since Solaris 8 patch.
9020         (gcc_SUN_LD_VERSION): New macro.
9021         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
9022         gcc_SUN_LD_VERSION for version number format.
9023         * configure: Regenerate.
9024         * varasm.c (get_elf_initfini_array_priority_section): Set
9025         SECTION_NOTYPE for non-default priority.
9026         Use get_section instead of get_unnamed_section to emit
9027         .init_array/.fini_array with default priority.
9029 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
9031         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
9032         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
9033         (mips_start_unique_function, mips_output_mips16_rdhwr)
9034         (mips_code_end): New functions.
9035         (TARGET_ASM_CODE_END): Define.
9037 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
9039         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
9040         to stubs with non-sibling calls.
9042 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
9044         * doc/invoke.texi (-fira-* options): Copy-edit.
9045         (ira-* parameters): Copy-edit.
9047 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
9049         * doc/invoke.texi: Minor copy-edits to bring into conformance with
9050         GCC coding conventions.
9052 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
9054         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
9055         when used as adjectives.
9057 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
9059         * doc/invoke.texi: Clean up "that"/"which" confusion.
9061 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
9063         * system.h: Poison SMALL_REGISTER_CLASSES
9064         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
9065         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
9067 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
9069         PR tree-optimization/52285
9070         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
9071         when deciding if a call is a tail call or tail recursion.
9073 2012-02-16  Kai Tietz  <ktietz@redhat.com>
9075         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
9076         interger-constant displacement for UNSPEC_PCREL.
9078 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
9080         PR rtl-optimization/52208
9081         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
9082         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
9084         PR tree-optimization/52255
9085         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
9086         loop->header has virtual PHI, but exit_e->dest doesn't, add
9087         virtual PHI to exit_e->dest and adjust all uses after the loop.
9089         PR debug/52260
9090         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
9091         children with clone_tree_hash, not after it.
9093 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
9095         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
9096         extended identifiers.
9098 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
9100         PR middle-end/51929
9101         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
9102         a same_body_alias, also test whether e->callee isn't a former
9103         or current clone of the decl this is a same body alias of.
9105         PR translation/52264
9106         * cgraphunit.c (verify_cgraph_node): Fix a typo.
9108 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9110         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
9112 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
9114         PR target/52199
9115         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
9116         force_reg instead of copy_to_reg for better optimization.  Force
9117         non-register or memory operands into a register.
9119 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
9121         * extend.texi: Reserve upper bits of memory model for future use.
9123 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
9124             Anatoly Sokolov <aesok@post.ru>
9125             Eric Weddington <eric.weddington@atmel.com>
9127         PR target/52261
9128         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
9129         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
9130         Rewrite initializers for .macro.
9131         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
9132         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
9133         atxmega32d4, atxmega32x1.
9134         avrxmega4: atxmega64a3, atxmega64d3.
9135         avrxmega5: atxmega64a1, atxmega64a1u.
9136         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
9137         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
9138         avrxmega7: atxmega128a1, atxmega128a1u.
9139         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
9140         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
9141         (struct base_arch_s): Rename reserved to xmega_p.
9142         Rename reserved2 to have_rampd.
9143         (AVR_XMEGA): New define.
9144         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
9145         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
9146         * config/avr/predicates.md (io_address_operand): Take into
9147         account SFR offset.
9148         (low_io_address_operand): Ditto.
9149         (high_io_address_operand): Ditto.
9150         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
9151         (enabled, movhi_sp_r): Use them.
9152         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
9153         cpp_define_formatted to built-in define __AVR_ARCH__.
9154         (__AVR_XMEGA__): New built-in define.
9155         (__AVR_HAVE_RAMPD__): New built-in define.
9156         (__AVR_HAVE_RAMPX__): New built-in define.
9157         (__AVR_HAVE_RAMPY__): New built-in define.
9158         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
9160         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
9161         (avr_option_override): Initialize them.
9162         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
9163         (avr_init_expanders): Initialize them. No more block several calls.
9164         (emit_push_sfr): New static function.
9165         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
9166         Handle AVR_XMEGA.
9167         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
9168         (avr_print_operand): Print addreeses as symbols for
9169         RAMPX, RAMPY, RAMPD, CCP.
9170         (output_movhi): Handle AVR_XMEGA when writing to SP.
9171         (avr_out_movhi_mr_r_xmega): New static function.
9172         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
9173         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
9174         __RAMPD__,  __CCP__ as needed.
9176         * config/avr/multilib.h: Regenerate.
9177         * config/avr/t-multilib: Regenerate.
9178         * config/avr/avr-tables.opt: Regenerate.
9180 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
9182         PR tree-optimization/50561
9183         * graphite-flattening.c (lst_project_loop): Do not
9184         remove old scattering dimensions after flattening.
9185         (lst_do_flatten): Likewise.
9187 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
9189         * doc/extend.texi (AVR Built-in Functions): Remove doc for
9190         __builtin_avr_map8, __builtin_avr_map16.
9191         Document __builtin_avr_insert_bits.
9193         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
9194         (insert_bits): New insn.
9195         (adjust_len.map_bits): Rename to insert_bits.
9196         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
9197         * avr-protos.h (avr_out_map_bits): Remove.
9198         (avr_out_insert_bits, avr_has_nibble_0xf): New.
9199         * config/avr/constraints.md (Cxf,C0f): New.
9200         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
9201         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
9202         New built-in define __BUILTIN_AVR_INSERT_BITS.
9203         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
9204         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
9205         (avr_move_bits): Rewrite.
9206         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
9207         functions.
9208         (avr_map_op_t): New typedef.
9209         (avr_map_op): New static variable.
9210         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
9211         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
9212         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
9213         (bdesc_3arg, avr_expand_triop_builtin): New.
9214         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
9215         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
9216         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
9217         (avr_map_equal_p, avr_map_sig_p): Remove.
9218         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
9219         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9220         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
9221         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9222         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
9223         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9225 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
9227         * config/c6x/c6x.md (reserve_cycles): New attribute.
9228         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
9229         don't reserve functional units after the branch occurs.
9231 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
9233         PR middle-end/52142
9234         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
9235         functions into non-tm_pure functions.
9237 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
9239         PR lto/52178
9240         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
9241         (iterative_hash_canonical_type): Likewise.
9242         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
9243         the dead edges.
9245 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
9247         * haifa-sched.c (prune_ready_list): Ensure that if there is a
9248         sched-group insn, it either remains alone or the entire list is pruned.
9250 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
9252         * doc/install.texi (Prerequisites): Fix grammar.
9253         (Configuration): Likewise.
9255 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
9257         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
9258         MPC as part of GCC before describing configuring with --with-gmp etc.
9259         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
9260         sources are present.
9262 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
9264         PR debug/51950
9265         * dwarf2out.c (clone_tree_hash): New function.
9266         (copy_decls_walk): Use it instead of clone_tree.
9268 2012-02-14  Richard Guenther  <rguenther@suse.de>
9270         PR tree-optimization/52244
9271         PR tree-optimization/51528
9272         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
9273         replacements for integral types.
9275 2012-02-14  Walter Lee  <walt@tilera.com>
9277         * config.gcc: Handle tilegx and tilepro.
9278         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
9279         tilegx and tilepro.
9280         Add HAVE_AS_TLS check for tilegx and tilepro.
9281         * configure: Regenerate.
9282         * doc/contrib.texi: Add Mat Hostetter and self.
9283         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
9284         Document instruction intrinsics and network accessing intrinsics.
9285         (TILEPro Built-in Functions): New node.  Document instruction
9286         intrinsics and network accessing intrinsics.
9287         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
9288         (Specific, tilepro-*-linux*): Likewise.
9289         * doc/invoke.texi (TILE-Gx Options): New section.
9290         (TILEPro Options): New section.
9291         * doc/md.texi (TILE-Gx): New section.
9292         (TILEPro): New section.
9293         * common/config/tilegx/tilegx-common.c: New file.
9294         * common/config/tilepro/tilepro-common.c: New file.
9295         * config/tilegx/constraints.md: New file.
9296         * config/tilegx/linux.h: New file.
9297         * config/tilegx/mul-tables.c: New file.
9298         * config/tilegx/predicates.md: New file.
9299         * config/tilegx/sync.md: New file.
9300         * config/tilegx/t-tilegx: New file.
9301         * config/tilegx/tilegx-builtins.h: New file.
9302         * config/tilegx/tilegx-c.c: New file.
9303         * config/tilegx/tilegx-generic.md: New file.
9304         * config/tilegx/tilegx-modes.def: New file.
9305         * config/tilegx/tilegx-multiply.h: New file.
9306         * config/tilegx/tilegx-protos.h: New file.
9307         * config/tilegx/tilegx.c: New file.
9308         * config/tilegx/tilegx.h: New file.
9309         * config/tilegx/tilegx.md: New file.
9310         * config/tilegx/tilegx.opt: New file.
9311         * config/tilepro/constraints.md: New file.
9312         * config/tilepro/gen-mul-tables.cc: New file.
9313         * config/tilepro/linux.h: New file.
9314         * config/tilepro/mul-tables.c: New file.
9315         * config/tilepro/predicates.md: New file.
9316         * config/tilepro/t-tilepro: New file.
9317         * config/tilepro/tilepro-builtins.h: New file.
9318         * config/tilepro/tilepro-c.c: New file.
9319         * config/tilepro/tilepro-generic.md: New file.
9320         * config/tilepro/tilepro-modes.def: New file.
9321         * config/tilepro/tilepro-multiply.h: New file.
9322         * config/tilepro/tilepro-protos.h: New file.
9323         * config/tilepro/tilepro.c: New file.
9324         * config/tilepro/tilepro.h: New file.
9325         * config/tilepro/tilepro.md: New file.
9326         * config/tilepro/tilepro.opt: New file.
9328 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
9330         PR tree-optimization/52210
9331         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
9332         vect_model_simple_cost with two entry vect_def_type array instead
9333         of an address of dt.
9335 2012-02-14  Richard Guenther  <rguenther@suse.de>
9337         PR lto/52178
9338         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
9339         Do not stream DECL_QUALIFIER.
9340         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
9341         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
9342         (find_decls_types_r): Do not walk DECL_QUALIFIER.
9344 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
9346         PR c/52181
9347         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
9348         newdecl.
9350 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
9352         PR bootstrap/52172
9353         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
9354         * cselib.c (cselib_subst_to_values_from_insn): New function.
9355         * sched-deps.c (add_insn_mem_dependence,
9356         sched_analyze_1, sched_analyze_2): Use it.
9358 2012-02-13  Jan Hubicka  <jh@suse.cz>
9360         PR middle-end/52214
9361         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
9363 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
9365         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
9366         (GTM_SELF_SPECS): Define if not already defined.
9367         (driver_self_specs): Add GTM_SELF_SPECS.
9368         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
9369         (GTM_SELF_SPECS): Define.
9370         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
9371         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
9373 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
9375         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
9376         away if seen.
9378         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
9380         PR middle-end/52230
9381         * omp-low.c (expand_omp_for): If a static schedule without chunk size
9382         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
9384 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
9386         PR c/52190
9387         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
9389 2012-02-13  Richard Guenther  <rguenther@suse.de>
9391         PR translation/52211
9392         * passes.c (enable_disable_pass): Fix typo.
9394 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
9396         PR middle-end/52209
9397         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
9398         XOR for reduce_bit_field if type is unsigned.
9400 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
9402         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
9403         disallow changes from SFmode to mode with different size in FP regs.
9405 2012-02-12  Robert Millan  <rmh@gnu.org>
9406             Gerald Pfeifer <gerald@pfeifer.com>
9408         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
9409         Tweak comment.
9411 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
9413         PR rtl-optimization/52175
9414         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
9415         to frame-related instructions.
9417 2012-02-10  Jason Merrill  <jason@redhat.com>
9419         PR c++/51910
9420         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
9421         (demangle_new_symbols): Fill it.
9422         (scan_linker_output): Walk it.
9423         (start_tweaking): Split out from scan_linker_output.
9424         (maybe_tweak): Update sym->chosen.
9425         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
9427 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
9429         PR debug/52132
9430         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
9432 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
9434         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
9435         having the same mode as previous compare.
9437 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9439         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
9440         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
9441         (nonlocal_goto_internal): Likewise.
9442         (nonlocal_goto): Emit a use and an indirect jump directly.
9444 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
9446         PR c/52190
9447         * doc/extend.texi : Update comments for __atomic_compare_exchange and
9448         __atomic_{is,always}_lock_free.
9450 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
9452         PR target/52146
9453         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
9454         negative constant address for TARGET_X32.
9456 2012-02-10  Richard Henderson  <rth@redhat.com>
9458         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
9459         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
9460         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
9462 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9463             Ira Rosen  <irar@il.ibm.com>
9465         PR tree-optimization/50031
9466         * targhooks.c (default_builtin_vectorization_cost): Handle
9467         vec_promote_demote.
9468         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
9469         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
9470         all types of reduction and pattern statements.
9471         (vect_estimate_min_profitable_iters): Likewise.
9472         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
9473         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
9474         for explicit realigns.
9475         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
9476         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
9477         vec_promote_demote.
9478         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
9479         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
9480         vec_perm for VSX and handle vec_promote_demote.
9482 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
9484         PR middle-end/52177
9485         * builtins.c (fold_builtin_atomic_always_lock_free,
9486         expand_builtin_atomic_always_lock_free,
9487         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
9488         Return and/or test boolean_true_node/boolean_false_node instead of
9489         integer_one_node/integer_zero_node.
9491 2012-02-10  Jan Hubicka  <jh@suse.cz>
9493         PR middle-end/48600
9494         * predict.c (predict_paths_for_bb): Prevent looping.
9495         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
9497 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
9499         * config/arm/arm.c (output_move_double): In one case properly
9500         count number of instructions that will be emitted.
9502 2012-02-10  Richard Guenther  <rguenther@suse.de>
9504         PR translation/52193
9505         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
9507 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
9509         PR middle-end/52140
9510         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
9512 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
9514         PR debug/52165
9515         * var-tracking.c (emit_note_insn_var_location): If
9516         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
9517         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
9518         non-NOTE_DURING_CALL_P insn.
9520 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
9522         PR middle-end/51867
9523         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
9525 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
9527         PR driver/48524
9528         * gcc.c (switch_matches) Support switches with separated form,
9529         -D and -U.
9531 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
9533         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
9534         (SP_ADDR): Ditto.
9535         (RAMPZ_ADDR): Ditto.
9536         * config/avr/avr.c (avr_addr_t): New typedef.
9537         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
9538         (avr_init_expanders): Initialize it.
9539         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
9540         SREG_ADDR.
9541         (expand_epilogue): Ditto.
9542         (avr_print_operand): Ditto.
9543         (avr_file_start): Ditto.
9544         (avr_emit_movmemhi): Ditto.
9546 2012-02-08  Richard Guenther  <rguenther@suse.de>
9548         PR tree-optimization/46886
9549         * tree-flow.h (do_while_loop_p): Declare.
9550         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
9551         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
9553 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
9555         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
9556         always succeed for integers larger than a native word.
9558 2012-02-08  Richard Guenther  <rguenther@suse.de>
9560         PR rtl-optimization/52170
9561         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
9562         properly handle integer vector modes.
9564 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
9566         PR gcov-profile/52150
9567         * coverage.c: Include target.h.
9568         (build_var): Call targetm.strip_name_encoding on the assembler name.
9569         Change one _ into . or $ if the target allows it.
9570         * Makefile.in (coverage.o): Depend on $(TARGET_H).
9572         PR rtl-optimization/52139
9573         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
9574         is a BARRIER after emit_insn_after_noloc, move BB_END
9575         to the last non-BARRIER insn before it.
9577 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
9579         PR middle-end/24306
9580         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
9581         (mips_gimplify_va_arg_expr): Call it instead of
9582         std_gimplify_va_arg_expr.
9584 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
9586         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
9587         message for -mno-pointers-to-nested-function.
9589 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
9591         PR middle-end/51994
9592         * expr.c (get_inner_reference): If there is an offset, add a negative
9593         bit position to it (if any).
9595 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
9597         PR rtl-optimization/52060
9598         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
9599         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
9600         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
9601         and/or i0src_copy2 when needed.
9603 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
9605         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
9606         or LTOPLUGINSONAME if have_c.
9608         * config/freebsd-spec.h: Add comment about what macros can be defined
9609         in this header.
9610         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
9611         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
9612         here instead.
9614 2012-02-07  Richard Guenther  <rguenther@suse.de>
9616         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
9617         newline in -alias dumps.
9619 2012-02-07  Kai Tietz  <ktietz@redhat.com>
9620             Dave Korn  <dave.korn.cygwin@gmail.com>
9622         PR target/40068
9623         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
9624         Take care that typinfo gets dllexport-attribute.
9626 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
9628         PR middle-end/52074
9629         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
9630         if modifier < EXPAND_SUM call force_operand on the result.
9632 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
9634         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
9635         adding __forwarder_dst__ prefix if a forwarder_section attribute is
9636         present.
9637         (epiphany_function_type): Replace types for specific interrupts with
9638         EPIPHANY_FUNCTION_INTERRUPT.
9639         (EPIPHANY_INTERRUPT_P): Update.
9640         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
9641         New static function.
9642         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
9643         <disinterrupt>: Affects type identity.
9644         (epiphany_handle_interrupt_attribute): Handle variable number of
9645         arguments.
9646         (epiphany_compute_function_type): Update for new
9647         epiphany_function_type definition.
9648         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
9649         handlers with a longcall forwarder.
9650         (epiphany_start_function): Handle multiple interrupt arguments and/or
9651         forwarder_section attribute.
9653         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
9654         libgloss.
9656 2012-02-07  Alan Modra  <amodra@gmail.com>
9658         PR target/52107
9659         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
9660         subregs of TFmode.
9662 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9664         PR tree-optimization/50969
9665         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
9666         use vec_perm rather than vector_stmt.
9667         (vect_model_load_cost): Likewise.
9668         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
9669         vec_perm to be the same as other vector statements.
9670         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
9671         cost of vec_perm for TARGET_VSX.
9673 2012-02-06  Richard Guenther  <rguenther@suse.de>
9675         PR tree-optimization/52115
9676         * tree-sra.c (access_has_replacements_p): New function.
9677         (sra_modify_assign): Use it to decide whether a use is uninitialized.
9679 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
9681         PR middle-end/52047
9682         * trans-mem.c (expand_call_tm): Add an assertion.
9683         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
9684         functions.
9686 2012-02-06  Richard Guenther  <rguenther@suse.de>
9688         PR tree-optimization/50955
9689         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
9690         raise cost of expressions that replace an address with an
9691         expression based on a different pointer.
9693 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
9695         PR target/52129
9696         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
9697         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
9699 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
9701         PR c++/48680
9702         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
9703         -Weffc++ and specify guidelines come from second edition.
9705 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
9707         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
9708         (sibcall_value_multiple_internal, call_split, call_internal_direct)
9709         (call_direct_split, call_value_split, call_value_internal_direct)
9710         (call_value_direct_split, call_value_multiple_split): Use jal and
9711         jal_macro attributes.
9713 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
9715         * reload1.c (reload_regs_reach_end_p): Replace with...
9716         (reload_reg_rtx_reaches_end_p): ...this function.
9717         (new_spill_reg_store): Update commentary.
9718         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
9719         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
9720         before setting new_spill_reg_store.
9721         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
9722         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
9723         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
9724         for non-spill reload registers.
9726 2012-02-05  Ira Rosen  <irar@il.ibm.com>
9728         PR tree-optimization/52091
9729         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
9730         (vect_is_simple_use_1): Likewise.
9731         * tree-vect-loop.c (vectorizable_reduction): Update calls
9732         to vect_is_simple_use_1 and vect_is_simple_use.
9733         (vectorizable_live_operation): Likewise.
9734         * tree-vect-patterns.c (widened_name_p,
9735         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
9736         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
9737         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
9738         vectorizable_shift,vectorizable_operation, vectorizable_store,
9739         vectorizable_load): Likewise.
9740         (vect_is_simple_cond): Add an argument, pass it to
9741         vect_is_simple_use_1.
9742         (vectorizable_condition): Update calls to vect_is_simple_cond,
9743         vect_is_simple_use.
9744         (vect_is_simple_use): Add an argument, the statement in which
9745         OPERAND is used.  Check that if OPERAND's def stmt is a double
9746         reduction phi node, the use is a phi node too.
9747         (vect_is_simple_use_1): Add an argument, pass it to
9748         vect_is_simple_use.
9749         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
9750         to vect_is_simple_use.
9752 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
9754         PR rtl-optimization/52095
9755         * modulo-sched.c (dump_insn_locator): New function.
9756         (loop_canon_p, sms_schedule): Use it.
9758         PR rtl-optimization/52113
9759         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
9760         even for decomposable shift/zext insns.
9762 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
9763             Zdenek Dvorak  <ook@ucw.cz>
9765         PR rtl-optimization/52092
9766         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
9767         on get_iv_value result.
9769 2012-02-02  Andrew Pinski  <apinski@cavium.com>
9771         PR middle-end/47982
9772         PR middle-end/43967
9773         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
9775 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
9777         PR middle-end/48071
9778         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
9780 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
9782         PR rtl-optimization/49800
9783         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
9784         (sched_finish): Call regstat_free_n_sets_and_refs.
9786 2012-02-02  Jia Liu  <proljc@gmail.com>
9788         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
9789         than operand 2.
9791 2012-02-02  Jan Hubicka  <jh@suse.cz>
9792             Tom de Vries  <tom@codesourcery.com>
9794         PR middle-end/51998
9795         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
9796         * varpool.c (varpool_analyze_pending_decls): Likewise.
9798 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
9799             Jayant R Sonar <jayant.sonar@kpitcummins.com>
9801         * config.gcc: Add cr16-* support.
9803         * doc/extend.texi: Document cr16 extensions.
9804         * doc/install.texi: Document cr16 install.
9805         * doc/invoke.texi: Document cr16 options.
9806         * doc/md.texi: Document cr16 constraints.
9808         * common/config/cr16/cr16-common.c: New file.
9809         * config/cr16/cr16.c: New file.
9810         * config/cr16/cr16.h: New file.
9811         * config/cr16/cr16.md: New file.
9812         * config/cr16/cr16.opt: New file.
9813         * config/cr16/cr16-protos.h: New file.
9814         * config/cr16/predicates.md: New file.
9815         * config/cr16/constraints.md: New file.
9816         * config/cr16/t-cr16: New file.
9818 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
9820         PR target/52086
9821         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
9822         that operands[2] is either immediate, or q_regs_operand.
9824         PR tree-optimization/52073
9825         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
9826         a pattern stmt for pattern uses, ignore uses outside of the loop.
9828 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
9830         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
9831         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
9832         (OUT_AS1, OUT_AS2): Remove.
9834 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
9836         PR rtl-optimization/51374
9837         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
9838         to cross other volatile_refs_p insns.
9840 2012-02-01  Richard Guenther  <rguenther@suse.de>
9842         * doc/invoke.texi (fno-inline): Clarify documentation.
9843         (finline-small-functions): Likewise.
9844         (finline-functions): Likewise.
9845         * common.opt (finline): Adjust comment and documentation.
9846         (finline-small-functions): Clarify documentation.
9847         (finline-functions): Likewise.
9848         (finline-functions-called-once): Likewise.
9850 2012-02-01  Tristan Gingold  <gingold@adacore.com>
9852         * c-typeck.c (composite_type): Keep mode for pointers.
9854 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
9856         * function.h (regno_reg_rtx): Adjust comment.
9857         * reginfo.c (init_reg_modes_target): Only use the previous mode
9858         if it fits within one register.  Remove MIPS comment.
9860 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
9862         PR bootstrap/52058
9863         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
9865 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9867         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
9868         to srak instruction.
9870 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
9872         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
9874 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
9876         PR bootstrap/52041
9877         PR bootstrap/52039
9878         PR target/51974
9879         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
9881 2012-01-31  Richard Guenther  <rguenther@suse.de>
9883         PR tree-optimization/51528
9884         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
9885         assigns.
9887 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
9889         PR bootstrap/52041
9890         PR bootstrap/52039
9891         PR target/51974
9892         * ree.c (add_removable_extension): Change def_map argument
9893         to unsigned *, store in def_map 1 + offset into *insn_list vector
9894         instead of pointers into the vector.
9895         (find_removable_extensions): Adjust caller.
9897 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
9899         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
9900         Transform all "* quoted-c-code" to { c-code }.
9901         Remove redundant test for "optimize" in combine patterns.
9902         Move (include "avr-dimode.md") to end of file.
9904 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
9906         PR target/51835
9907         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
9908         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
9910 2012-01-30  Richard Guenther  <rguenther@suse.de>
9912         PR tree-optimization/52028
9913         * tree-loop-distribution.c (ldist_gen): Properly update
9914         virtual SSA form.
9916 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
9918         PR debug/52027
9919         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
9920         set_cur_line_info_table if not emitting debug info.
9922         PR tree-optimization/52046
9923         * tree-vect-patterns.c (check_bool_pattern): Give up if
9924         a comparison could throw.
9926         PR debug/52048
9927         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
9929 2012-01-30  Richard Guenther  <rguenther@suse.de>
9931         PR tree-optimization/52045
9932         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
9933         SSA form if cfgcleanup did anything.
9935 2012-01-30  Richard Guenther  <rguenther@suse.de>
9937         PR tree-optimization/52045
9938         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
9939         before computing final todo.
9941 2012-01-30  Richard Guenther  <rguenther@suse.de>
9943         PR tree-optimization/51528
9944         * tree-sra.c (sra_modify_assign): Re-factor in preparation
9945         for PR51528 fix.
9947 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
9949         * df-problems.c (df_kill_notes): Check that the use refers
9950         to the note under examination.
9952 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
9954         PR target/51920
9955         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
9956         parameter and use short-lived pseudos.
9957         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
9958         (sparc_expand_vector_init): Const-ify local variables and adjust
9959         calls to above functions.
9961 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
9963         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
9965 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
9967         * doc/invoke.texi: Make usage of "compile time" and
9968         "run time"/"runtime" consistent throughout the file.
9970 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
9972         * config/alpha/alpha.c (alpha_option_override): Default to
9973         full IEEE compliance mode for Go language.
9975 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
9977         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
9978         (LINK_SSP_SPEC): Define.
9980 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9982         PR target/51871
9983         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
9984         stubs.
9986 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
9988         * doc/invoke.texi: Correct hyphenation of "floating point",
9989         "double precision", and related terminology throughout the file.
9991 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
9993         PR target/52006
9994         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
9995         arm_general_register_operand predicate for operand 2 instead of
9996         register_operand.
9998 2012-01-27  Ian Lance Taylor  <iant@google.com>
10000         PR go/47656
10001         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
10002         * builtins.c (expand_builtin_init_trampoline): Add onstack
10003         parameter.  Change caller.
10004         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
10005         * tree.c (build_common_builtin_nodes): Declare
10006         __builtin_init_heap_trampoline.
10008 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
10010         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
10011         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
10012         * config/avr/avr.c: Ditto.
10013         (avr_regnames): Remove because unused.
10014         * config/avr/avr.md (*cpse.ne): New peephole.
10015         (*cpse.eq): New peephole from former cpse peepholes.
10017 2012-01-27  Michael Eager  <eager@eagercon.com>
10019         * config/microblaze.c (microblaze_emit_compare): Correct
10020         test after pcmp instruction.
10022 2012-01-27  Richard Guenther  <rguenther@suse.de>
10024         PR tree-optimization/52020
10025         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
10027 2012-01-27  Richard Guenther  <rguenther@suse.de>
10029         * ipa-pure-const.c (check_stmt): Clobbers do not make a
10030         function non-const/pure.
10032 2012-01-27  Richard Guenther  <rguenther@suse.de>
10034         PR tree-optimization/50444
10035         * tree-sra.c (build_ref_for_offset): Properly adjust the
10036         MEM_REF type for unaligned accesses.
10038 2012-01-27  Richard Guenther  <rguenther@suse.de>
10040         PR tree-optimization/50444
10041         * expr.c (mem_ref_refers_to_non_mem_p): New function.
10042         (expand_assignment): Use it.  Properly handle misaligned
10043         bases when expanding stores to component references.
10044         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
10045         refactor that case.
10047 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
10049         PR middle-end/51389
10050         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
10051         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
10052         * tree-data-ref.c (find_data_references_in_loop): Make static.
10053         (compute_all_dependences): Change return type to bool.  Bail out
10054         for too many datarefs in a loop.  Move the hunk resetting the data
10055         dependences vector from ...
10056         (compute_data_dependences_for_loop): ... here.  Account for
10057         compute_all_dependences returning false.
10058         (compute_data_dependences_for_bb): Likewise.
10059         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
10060         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
10062 2012-01-27  Richard Guenther  <rguenther@suse.de>
10064         PR middle-end/51959
10065         * expr.c (store_field): Use the alias-set of the scratch memory
10066         for storing to it.
10068 2012-01-27  Tom de Vries  <tom@codesourcery.com>
10070         PR tree-optimization/51990
10071         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
10072         WITH_SIZE_EXPR.
10073         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
10075 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
10077         PR debug/52001
10078         * var-tracking.c (reverse_op): Don't add any reverse operation
10079         if V already has any constant locations.
10081 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
10083         * doc/invoke.texi: Correct usage of "command line" (noun)
10084         vs "command-line" (adjective) throughout.
10086 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
10088         * doc/invoke.texi (Language Independent Options): Move
10089         -Wcoverage-mismatch blurb from here....
10090         (Warning Options): ...to here.
10092 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
10094         * config/rs6000/rs6000.c (rs6000_option_override_internal):
10095         Set rs6000_always_hint to false for 476.
10097 2012-01-27  Matthias Klose  <doko@ubuntu.com>
10099         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
10100           system root.
10101         * incpath.c (add_standard_paths): Likewise.
10103 2012-01-27  Richard Henderson  <rth@redhat.com>
10105         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10106         * config/m68k/sync.md (atomic_test_and_set): Rename from
10107         sync_test_and_setqi and adjust the operands.
10108         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
10109         and unconditionally enable.
10111 2012-01-27  Richard Henderson  <rth@redhat.com>
10113         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10114         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
10115         (ldstub): Rename from ldstubqi.
10116         (ldstub<I24MODE>): Remove.
10118 2012-01-27  Richard Henderson  <rth@redhat.com>
10120         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10121         * c-cppbuiltin.c (cpp_atomic_builtins): Define
10122         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
10123         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
10124         * doc/tm.texi: Rebuild.
10126 2012-01-27  Richard Henderson  <rth@redhat.com>
10128         * optabs.c (gen_atomic_test_and_set): Remove default.
10129         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
10131 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
10133         PR rtl-optimization/51978
10134         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
10135         (combine_reaching_defs): Likewise.
10136         (struct re_info): Remove.
10137         (add_removable_extension): Remove x and data arguments,
10138         add insn, insn_list and def_map.  Use the arguments directly
10139         instead of using struct re_info.
10140         (find_removable_extensions): Don't call add_removable_extension
10141         through note_stores, instead just call it with single_set
10142         result if non-NULL.
10143         (find_and_remove_re): Pass curr_cand->expr instead of
10144         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
10146 2012-01-26  Michael Matz  <matz@suse.de>
10148         PR tree-optimization/46590
10149         * cfgexpand.c: Revert last change (r183305).
10150         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
10151         regs.
10152         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
10153         checking for emptiness.
10155 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
10157         PR middle-end/51895
10158         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
10159         non-addressable non-BLKmode base correctly.
10161 2012-01-26  Michael Matz  <matz@suse.de>
10163         PR tree-optimization/48794
10164         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
10165         regions referenced from RESX/EH_DISPATCH.
10167 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10169         * config/s390/s390.h: Make BRANCH_COST an option.
10170         * config/s390/s390.opt: New option -mbranch-cost.
10172 2012-01-26  Richard Henderson  <rth@redhat.com>
10174         Revert 2012-01-24 change:
10175         * trans-mem.c (requires_barrier): Do not instrument thread local
10176         variables and emit save/restore for them.
10178 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
10180         PR middle-end/51986
10181         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
10182         for pat == 0.
10184 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
10186         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
10187         ASM_OPERANDS.
10189 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
10191         PR target/49868
10192         Rename __pgm to __flash.
10193         Rename __pgm1 to __flash1.
10194         Rename __pgm2 to __flash2.
10195         Rename __pgm3 to __flash3.
10196         Rename __pgm4 to __flash4.
10197         Rename __pgm5 to __flash5.
10198         Rename __pgmx to __memx.
10199         * doc/extend.texi (AVR Named Address Spaces)
10200         Rename address space names as indicated above.
10201         * config/avr/avr.c (avr_addrspace): Ditto.
10203         * config/avr/avr-protos.h
10204         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
10205         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
10206         * config/avr/predicates.md: Ditto.
10207         * config/avr/avr.c Ditto, and
10208         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
10209         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
10211         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
10212         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
10213         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
10214         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
10215         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
10216         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
10217         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
10218         * config/avr/avr.c: Ditto.
10219         * config/avr/avr.md: Ditto.
10221 2012-01-25  Jason Merrill  <jason@redhat.com>
10223         PR c++/51992
10224         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
10226 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
10228         PR tree-optimization/51987
10229         * tree-data-ref.c (get_references_in_stmt): Handle references in
10230         non-volatile GIMPLE_ASM.
10232 2012-01-25  Richard Guenther  <rguenther@suse.de>
10234         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
10235         bases are dereferenced.
10237 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
10239         PR rtl-optimization/48374
10240         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
10242 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
10244         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
10245         compute_data_dependences_for_loop returns false.
10246         * tree-parloops.c (loop_parallel_p): Likewise.
10248 2012-01-25  Richard Guenther  <rguenther@suse.de>
10250         * tree.h (get_pointer_alignment_1): Declare.
10251         * builtins.c (get_pointer_alignment_1): New function.
10252         (get_pointer_alignment): Use it.
10254 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
10256         PR rtl-optimization/48308
10257         * combine.c (enum undo_kind): Add UNDO_LINKS.
10258         (struct undo): Add member l to other_contents and where.
10259         (do_SUBST_LINK): New.
10260         (SUBST_LINK): New.
10261         (try_combine): Handle LOG_LINKS for the dummy i1 case.
10262         (undo_all): Handle UNDO_LINKS.
10264 2012-01-25  Richard Henderson  <rth@redhat.com>
10266         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
10267         mem inputs.
10269 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10271         * optabs.c (gen_atomic_test_and_set): Use each argument.
10273 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10275         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
10276         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
10277         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
10278         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
10279         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
10280         TARGET_PAIRED_SINGLE_FLOAT.
10282 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10284         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
10285         (in_struct, return_val): Remove MEM documentation.
10286         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
10287         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
10288         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
10289         and MEM_SCALAR.
10290         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10291         * cfgexpand.c (add_alias_set_conflicts): Likewise.
10292         * expr.c (store_field): Likewise.
10293         * function.c (assign_stack_temp_for_type): Likewise.
10294         * ifcvt.c (noce_try_cmove_arith): Likewise.
10295         * reload1.c (reload): Likewise.
10296         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
10297         (alpha_set_memflags): Likewise.
10298         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
10300 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10302         * rtl.h (true_dependence, canon_true_dependence): Remove varies
10303         parameter.
10304         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
10305         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
10306         (true_dependence_1, true_dependence, canon_true_dependence): Remove
10307         varies parameter.
10308         * cselib.c (cselib_rtx_varies_p): Delete.
10309         (cselib_invalidate_mem): Update call to canon_true_dependence.
10310         * dse.c (record_store, check_mem_read_rtx): Likewise.
10311         (scan_reads_nospill): Likewise.
10312         * cse.c (check_dependence): Likewise.
10313         (cse_rtx_varies_p): Delete.
10314         * expr.c (safe_from_p): Update call to true_dependence.
10315         * ira.c (validate_equiv_mem_from_store): Likewise.
10316         (memref_referenced_p): Likewise.
10317         * postreload-gcse.c (find_mem_conflicts): Likewise.
10318         * sched-deps.c (sched_analyze_2): Likewise.
10319         * store-motion.c (load_kills_store): Likewise.
10320         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
10321         * gcse.c (mems_conflict_for_gcse_p): Likewise.
10322         (compute_transp): Update call to canon_true_dependence.
10324 2012-01-25  Richard Henderson  <rth@redhat.com>
10326         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
10327         (maybe_emit_atomic_test_and_set): New.
10328         (expand_sync_lock_test_and_set): Use it.
10329         (expand_atomic_test_and_set): Likewise.
10330         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
10331         the implementation; clarify implementation defined details.
10332         * doc/md.texi (atomic_test_and_set): Document.
10334 2012-01-25  Richard Henderson  <rth@redhat.com>
10336         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
10338 2012-01-25  Richard Henderson  <rth@redhat.com>
10340         PR target/51968
10341         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
10342         to effect no-op split.
10344 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
10346         PR lto/51698
10347         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
10348         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
10349         (BT_FN_VOID_PTR_INT_SIZE): New.
10350         (BT_FN_UINT_UINT_VAR): Remove.
10351         (BT_FN_UINT32_UINT32_VAR): New.
10352         (BT_FN_DOUBLE_VPTR): Remove.
10353         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
10355         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
10356         (_ITM_changeTransactionMode): Same.
10357         (_ITM_memmoveRtWt): Change return type to void.
10358         (_ITM_memcpyRtWt): Same.
10359         (_ITM_memsetW): Same.
10360         (_ITM_RaRD): Change types to double.
10361         (_ITM_RD): Same.
10362         (_ITM_RaWD): Same.
10363         (_ITM_RfWD): Same.
10365         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
10367 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
10368             Patrick Marlier  <patrick.marlier@gmail.com>
10370         * trans-mem.c (requires_barrier): Do not instrument thread local
10371         variables and emit save/restore for them.
10373 2012-01-24  Jason Merrill  <jason@redhat.com>
10375         PR c++/51812
10376         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
10377         output static aliases.
10379 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
10381         PR driver/47249
10382         * common.opt (-pie, -shared, pie, shared): Change from Common to
10383         Driver.
10384         * gcc.c (display_help): Display help for -pie and -shared.
10386 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
10388         PR target/49868
10389         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
10390         Remove note on size/offset limitation.
10391         (AVR Variable Attributes): Add example how to read data located
10392         with progmem.  Refer to named address spaces.
10393         * doc/invoke.texi (AVR Options): Fix typo.
10395 2012-01-24  Richard Guenther  <rguenther@suse.de>
10397         Forward-port to trunk
10398         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
10400         PR middle-end/45678
10401         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
10402         op0 isn't sufficiently aligned and there is movmisalignM
10403         insn for mode, use it to load op0 into a temporary register.
10405 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
10407         PR target/51957
10408         * target.def (const_not_ok_for_debug_p): New hook.
10409         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
10410         documentation.
10411         * doc/tm.texi: Regenerated.
10412         * dwarf2out.c (const_ok_for_output_1): If
10413         targetm.const_not_ok_for_debug_p returns true, fail.
10414         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
10415         function.
10416         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
10418 2012-01-23  Kai Tietz  <ktietz@redhat.com>
10420         PR target/51900
10421         * config/i386/predicates.md (symbolic_operand): Allow
10422         UNSPEC_PCREL as PIC expression for lea.
10423         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
10424         * config/i386/i386.c (ix86_delegitimize_address): Handle
10425         UNSPEC_PCREL for none-MEM, too.
10427 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
10429         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
10430         (ipa_tm_create_version_alias): Same.
10432 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
10434         PR libitm/51830
10435         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
10436         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
10438 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
10439             Patrick Marlier  <patrick.marlier@gmail.com>
10440             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
10442         PR lto/51916
10443         * lto-wrapper.c (run_gcc): Pass the LTO section name to
10444         simple_object_start_read.
10446 2012-01-23  Richard Guenther  <rguenther@suse.de>
10449         PR tree-optimization/51895
10450         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
10451         parameter decomposition into BLKmode components.
10453 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
10455         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
10456         fake variables for restrict-qualified pointers whose pointed-to type
10457         contains a placeholder.
10459 2012-01-23  Richard Guenther  <rguenther@suse.de>
10461         PR tree-optimization/51949
10462         * ipa-split.c (execute_split_functions): Do not split malloc functions.
10464 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
10466         PR rtl-optimization/51933
10467         * ree.c (transform_ifelse): Return true right away if dstreg is
10468         already wider or equal to cand->mode.
10469         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
10470         (make_defs_and_copies_lists): Remove defs_list and copies_list
10471         arguments, add state argument, just truncate state->work_list
10472         instead of always allocating and freeing the vector.  Assert that
10473         get_defs succeeds instead of returning 2.  Changed return type to bool.
10474         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
10475         have ext_src_mode, see if it has been modified already with the
10476         right kind of extension and has been extended before from the
10477         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
10478         just return true.  Remember the original mode in state->modified array.
10479         (combine_reaching_defs): Add state argument.  Don't allocate and
10480         free here def_list, copied_list and vec vectors, instead just
10481         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
10482         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
10483         Add state variable, clear vectors in it, initialize state.modified
10484         if needed.  Free all the vectors at the end and state.modified too.
10485         Don't skip a candidate if the extension expression has been modified.
10487 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
10489         PR target/47096
10490         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
10491          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
10492         (extra_options) interix.opt -> i386/interix.opt"
10493         (extra_objs):Add winnt-stubs.o
10494         * configure.ac: Add interix to target_os .comm on PE check.
10495         * configure: Regenerate.
10496         * config/interix3.h: Delete and move bits to..
10497         * config/interix.h: Delete and move bits to..
10498         * config/i386/i386-interix3.h: Delete and move bits to..
10499         * config/i386/i386-interix.h: ..here.
10500         (TARGET_CPU_DEFAULT): Remove redefinition.
10501         (TARGET_ASM_CONSTRUCTOR): Undefine.
10502         (SUBTARGET_SWITCHES): Define for ms-bitfields.
10503         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
10504         (PTRDIFF_TYPE): Define.
10505         (LONG_DOUBLE_TYPE_SIZE): Define.
10506         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
10507         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
10508         (TARGET_SECTION_TYPE_FLAGS): Define.
10509         (ASM_DECLARE_FUNCTION_NAME): Define.
10510         (ASM_OUTPUT_EXTERNAL): Define.
10511         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
10512         (ASM_OUTPUT_ALIGNED_BSS): Define.
10513         (PCC_BITFIELD_TYPE_MATTERS): Define.
10514         (USE_CONST_SECTION): Define.
10515         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
10516         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
10517         (SUPPORTS_ONE_ONLY): Remove.
10518         (I386_PE_STRIP_ENCODING): Define.
10519         * config/interix.opt: Delete and move bits to..
10520         * config/i386/interix.opt: ..here. New.
10521         (mpe-aligned-commons): Add.
10522         * config/i386/t-interix: Add copyright header.
10523         (winnt-stubs.o): Add rule.
10525 2012-01-22  Jason Merrill  <jason@redhat.com>
10527         PR c++/51832
10528         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
10529         for extra name aliases.
10531 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
10533         PR rtl-optimization/51924
10534         * ree.c (combine_set_extension): Improve debugging message.
10535         (combine_reaching_defs): Likewise.
10536         (get_defs): Rename confusingly named variable.
10537         (find_and_remove_re): Skip a candidate if the extension expression has
10538         been modified.
10540 2012-01-21  Robert Millan  <rmh@gnu.org>
10541             Gerald Pfeifer  <gerald@pfeifer.com>
10543         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
10544         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
10546 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
10548         PR tree-optimization/51914
10549         * tree-vect-stmts.c (vectorizable_conversion): For
10550         cvt_type && modifier == WIDEN, put temporary with cvt_type
10551         at the beginning of vec_dsts and set vec_dest to temporary
10552         with vectype_out.
10554 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
10556         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
10558 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
10560         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
10561         * config/rs6000/rs6000.c: Likewise.
10563 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
10565         PR target/51915
10566         * config/arm/arm.c (arm_count_output_move_double_insns): Call
10567         output_move_double on a copy of operands array.
10569 2012-01-20  Cary Coutant  <ccoutant@google.com>
10570             Dodji Seketeli  <dodji@redhat.com>
10572         PR debug/45682
10573         * dwarf2out.c (copy_declaration_context): Return ref to parent
10574         of declaration DIE, if necessary.
10575         (remove_child_or_replace_with_skeleton): Add new parameter; update
10576         caller.  Place skeleton DIE under parent DIE of original declaration.
10577         Move call to copy_declaration_context to here ...
10578         (break_out_comdat_types): ... from here.
10580 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10582         PR rtl-optimization/51856
10583         * reload.c (find_reloads_subreg_address): Set the address_reloaded
10584         flag to reloaded.
10586 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
10588         PR target/51819
10589         * config/arm/arm.c (arm_print_operand): Correct output of alignment
10590         hints for neon loads and stores.
10592 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
10594         PR target/49868
10595         PR target/50887
10596         * doc/extend.texi (Named Address Spaces): Split into subsections.
10597         (AVR Named Address Spaces): New subsection.
10598         (M32C Named Address Spaces): New subsection.
10599         (RL78 Named Address Spaces): New subsection.
10600         (SPU Named Address Spaces): New subsection.
10601         (Variable Attributes): New anchor "AVR Variable Attributes".
10602         (AVR Variable Attributes): Rewrite and avoid wording
10603         "address space" in this context.
10604         * doc/invoke.texi (AVR Options): Rewrite and add documentation
10605         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
10606         (AVR Built-in Macros): New subsubsection therein.
10607         * doc/md.texi (AVR constraints): Remove "C04", "R".
10609 2012-01-20  Richard Guenther  <rguenther@suse.de>
10611         PR tree-optimization/51903
10612         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
10613         when removing stmts.
10615 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
10617         PR target/50313
10618         * config/arm/arm.c (arm_load_pic_register): Use
10619         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
10620         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
10621         (arm_pic_static_addr): Likewise.
10622         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
10623         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
10624         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
10625         (pic_load_addr_unified): New.
10627 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
10629         PR target/51106
10630         * function.c (instantiate_virtual_regs_in_insn): Use
10631         delete_insn_and_edges when removing a wrong asm insn.
10633 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
10635         PR rtl-optimization/40761
10636         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
10637         Add new member loop_num.
10638         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
10639         (ira_build): Remove the parameter.
10641         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
10642         (ira.c): Do not build CFG loops for one region allocation.  Remove
10643         argument from ira_build call.
10645         * ira-build.c (init_loop_tree_node): New function.
10646         (create_loop_tree_nodes): Use it.  Separate the case when CFG
10647         loops are not built.
10648         (more_one_region_p): Check current_loops.
10649         (finish_loop_tree_nodes): Separate the case when CFG loops are not
10650         built.
10651         (add_loop_to_tree): Process loop equal to NULL too.
10652         (form_loop_tree): Separate the case when CFG loops are not built.
10653         Use explicitly number for the root.
10654         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
10655         an assertion.
10656         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
10657         instead of loop->num.
10658         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
10659         (mark_all_loops_for_removal): Ditto.
10660         (remove_unnecessary_regions): Separate the case when CFG loops
10661         are not built.
10662         (ira_build): Remove the parameter.  Use explicit number of regions
10663         when CFG loops are not built.
10665         * ira-color.c (print_loop_title): Separate the case for the root node.
10666         Use loop_num instead of loop->num.
10667         (move_spill_restore): Use loop_num instead of loop->num.
10669         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
10670         (change_loop): Ditto.
10671         (change_loop): Use loop_num instead of loop->num.
10673         * ira-lives.c (process_bb_node_lives): Ditto.
10675         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
10677         * ira-conflicts.c (print_allocno_conflicts): Ditto.
10679 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
10681         PR libmudflap/40778
10682         * tree-mudflap.c (mf_artificial): New function.
10683         (execute_mudflap_function_ops, execute_mudflap_function_decls,
10684         mx_register_decls, mudflap_enqueue_decl): Use it.
10686         PR target/51876
10687         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
10688         numbers in the insn pattern.
10690 2012-01-19  Michael Matz  <matz@suse.de>
10692         PR tree-optimization/46590
10693         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
10694         use it in remembering which conflicts we already created.
10695         (add_scope_conflicts): Adjust call to above, (de)allocate helper
10696         bitmap.
10698 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
10700         PR lto/51280
10701         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
10702         (merge_and_complain): Same.
10704 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
10706         PR bootstrap/50237
10707         * config/initfini-array.h: Guard content of the header
10708         with #ifdef HAVE_INITFINI_ARRAY.
10709         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
10710         Add initfini-array.h to tm_file here.
10711         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
10712         * config.gcc: Don't add initfini-array.h to tm_file here.
10713         * configure: Regenerated.
10715 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
10717         PR rtl-optimization/51505
10718         * df-problems.c (df_kill_notes): New parameter live. Update comment.
10719         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
10720         (df_note_bb_compute): Update the call to df_kill_notes.
10722 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
10724         * trans-mem.c (requires_barrier): Remove call to is_global_var.
10726 2012-01-18  Richard Guenther  <rguenther@suse.de>
10728         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
10729         of conversions to void *.
10731 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10732             Richard Sandiford  <rdsandiford@googlemail.com>
10734         PR middle-end/50325
10735         PR middle-end/51192
10736         * optabs.h (simplify_expand_binop): Declare.
10737         * optabs.c (simplify_expand_binop): Make global.
10738         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
10739         endian targets if the source cannot be exactly covered by word
10740         mode chunks.
10742 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
10744         PR bootstrap/51872
10745         * hard-reg-set.h (struct hard_reg_set_container): New type.
10746         * target.h (struct hard_reg_set_container): Forward declare.
10747         * target.def (set_up_by_prologue): New target hook.
10748         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
10749         * doc/tm.texi: Regenerated.
10750         * function.c (thread_prologue_and_epilogue_insns): Change
10751         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
10752         Call targetm.set_up_by_prologue on it.
10753         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
10754         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
10756 2012-01-17  Nick Clifton  <nickc@redhat.com>
10758         * config/rx/rx.c (rx_can_use_simple_return): New function.
10759         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
10760         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
10762 2012-01-17  Richard Guenther  <rguenther@suse.de>
10764         PR middle-end/51782
10765         * expr.c (expand_assignment): Take address-space information
10766         from the address operand of MEM_REF and TARGET_MEM_REF.
10767         (expand_expr_real_1): Likewise.
10769 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10771         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
10772         reload dump is requested.
10774 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
10776         PR other/51165
10777         * trans-mem.c (requires_barrier): Call may_be_aliased.
10779 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
10781         PR tree-optimization/51877
10782         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
10783         call arguments and fndecls compare equal, instead return false if they
10784         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
10785         both SSA_NAMEs that are valueized the same, or they satisfy
10786         operand_equal_p.
10788 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10790         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
10791         Solaris 11+.
10792         * configure: Regenerate.
10794 2012-01-16  Jan Hubicka  <jh@suse.cz>
10796         PR c/12245
10797         PR c++/14179
10798         * convert.c (convert_to_integer): Use fold_convert for
10799         converting an INTEGER_CST to integer type.
10801 2012-01-16  Jason Merrill  <jason@redhat.com>
10803         PR c++/14179
10804         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
10806 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
10808         PR bootstrap/51860
10809         * config/s390/s390.c (s390_chunkify_start): Don't skip
10810         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
10811         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
10812         If insn is followed by NOTE_INSN_VAR_LOCATION or
10813         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
10814         Don't use location of note insns.
10816         PR tree-optimization/51865
10817         * tree-inline.c (tree_function_versioning): Call remap_decl
10818         on DECL_RESULT whenever it has VOID_TYPE_P type.
10820 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10822         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
10823         for calls to locally-binding MIPS16 functions if only the return
10824         type uses float regs.
10826 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
10827             Richard Sandiford  <rdsandiford@googlemail.com>
10829         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
10830         (SYMBOL_32_HIGH): Likewise.
10831         (mips_output_tls_reloc_directive): Declare.
10832         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
10833         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
10834         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
10835         (mips_lo_relocs, mips_hi_relocs): Make extern.
10836         (mips16_stub_function): Move up file.
10837         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
10838         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
10839         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
10840         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
10841         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
10842         (mips_get_tp): Add MIPS16 support.
10843         (mips_legitimize_tls_address): Remove MIPS16 sorry().
10844         Generalize DTPREL and TPREL handling.
10845         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
10846         Add MIPS16 TLS support.
10847         (mips_output_tls_reloc_directive): New function.
10848         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
10849         * config/mips/predicates.md (symbolic_operand_with_high)
10850         (tls_reloc_operand): New predicates.
10851         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
10852         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
10853         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
10854         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
10855         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
10856         (*tls_get_tp_mips16_call_<mode>): Likewise.
10858 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
10860         PR rtl-optimization/51821
10861         * recog.c (peep2_find_free_register): Determine clobbered registers
10862         from insn pattern.
10864 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
10866         PR target/50925
10867         * config/avr/avr-protos.h: Revert change of 2012-01-09.
10868         * config/avr/avr.c: Likewise.
10869         * config/avr/avr.h: Likewise.
10871 2012-01-13  Ian Lance Taylor  <iant@google.com>
10873         PR c++/50012
10874         * tree.h (TYPE_QUALS): Add cast to int.
10875         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
10877 2012-01-13  Ian Lance Taylor  <iant@google.com>
10879         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
10880         comparing param_index to VEC_length result.
10882 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
10884         * c-decl.c: Do not include tree-mudflap.h
10885         * tree-optimize.c: Likewise.
10886         * Makefile.in: Update dependencies.
10888 2012-01-13  Richard Guenther  <rguenther@suse.de>
10890         PR middle-end/8081
10891         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
10892         variable-sized result always use RSO.
10894 2012-01-12  DJ Delorie  <dj@redhat.com>
10896         * cfgexpand.c (convert_debug_memory_address): Allow any valid
10897         pointer type, not just the default pointer type.
10899 2012-01-09  Richard Henderson  <rth@redhat.com>
10900             Denis Chertykov  <chertykov@gmail.com>
10902         PR target/50925
10903         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
10904         * config/avr/avr.c (avr_can_eliminate): Simplify.
10905         (avr_initial_elimination_offset): Likewise.
10906         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
10907         (expand_epilogue): Likewise.
10908         (avr_legitimize_address): Gut.
10909         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
10910         (avr_hard_regno_nregs): New.
10911         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
10912         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
10913         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
10914         add soft frame pointer.
10915         (CALL_USED_REGISTERS): Likewise.
10916         (REG_CLASS_CONTENTS): Likewise.
10917         (REGISTER_NAMES): Likewise.
10918         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
10919         (HARD_FRAME_POINTER_REGNUM): New.
10920         (FRAME_POINTER_REGNUM): Use soft frame pointer.
10921         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
10922         remove the HARD_FRAME_POINTER self-elimination.
10924 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
10926         PR target/51756
10927         * config/avr/avr.c (avr_encode_section_info): Test for absence of
10928         DECL_EXTERNAL when checking for initializers of progmem variables.
10930 2012-01-12  Ira Rosen  <irar@il.ibm.com>
10932         PR tree-optimization/51799
10933         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
10934         that the last operation is a type demotion.
10936 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
10938         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
10939         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
10941 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
10943         PR bootstrap/51796
10944         * combine.c (distribute_notes): If i3 is a noreturn call,
10945         allow old_size to be equal to args_size and make sure the
10946         noreturn call gets REG_ARGS_SIZE note.
10947         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
10948         on noreturn calls even when the delta is 0.
10950 2012-01-11  Nathan Sidwell  <nathan@acm.org>
10952         * gcov.c (STRING_SIZE): Remove.
10953         (generate_results): Erase annotations for source files with no
10954         coverage information.
10955         (read_line): New.
10956         (output_lines): Use it.
10958 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
10960         * gimple.h (gimplify_body): Remove first argument.
10961         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
10962         pointer set here, instead just pass DATA to walk_tree.
10963         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
10964         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
10965         (unvisit_body): Likewise, but with unmark_visited.
10966         (gimplify_body): Remove BODY_P argument and adjust.
10967         (gimplify_function_tree): Adjust call to gimplify_body.
10968         * omp-low.c (finalize_task_copyfn): Likewise.
10970 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
10972         * tree.h (build_function_decl_skip_args): Add boolean parameter.
10973         (build_function_type_skip_args): Delete.
10974         * tree.c (build_function_type_skip_args): Make static and add
10975         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
10976         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
10977         pass it to build_function_type_skip_args.
10978         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
10979         (tree_function_versioning): Likewise.
10980         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
10981         build_function_decl_skip_args.
10982         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
10983         and pass it to build_function_decl_skip_args/tree_function_versioning.
10984         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
10985         * ipa-inline-transform.c (save_inline_function_body): Likewise.
10986         * trans-mem.c (ipa_tm_create_version): Likewise.
10987         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
10988         * tree-inline.c (declare_return_variable): Remove always-true test.
10989         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
10990         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
10991         * ipa-split.c (split_function): Skip the return value for the split
10992         part if it doesn't return.
10994 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10996         PR tree-optimization/49642
10997         * ipa-split.c (forbidden_dominators): New variable.
10998         (check_forbidden_calls): New function.
10999         (dominated_by_forbidden): Likewise.
11000         (consider_split): Check for forbidden dominators.
11001         (execute_split_functions): Initialize and free forbidden
11002         dominators info; call check_forbidden_calls.
11004 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
11006         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
11008 2012-01-11  Nick Clifton  <nickc@redhat.com>
11010         * config/rx/rx.md (return): Define pattern.
11012 2012-01-11  Richard Guenther  <rguenther@suse.de>
11014         * doc/extend.texi (malloc attribute): Adjust according to
11015         implementation.
11017 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
11018             Patrick Marlier  <patrick.marlier@gmail.com>
11020         PR middle-end/51516
11021         * trans-mem.c (get_cg_data): Traverse aliases if requested.
11022         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
11023         (ipa_tm_note_irrevocable): Same.
11024         (ipa_tm_scan_irr_block): Same.
11025         (ipa_tm_decrement_clone_counts): Same.
11026         (ipa_tm_scan_irr_function): Same.
11027         (ipa_tm_create_version_alias): Same.
11028         (ipa_tm_create_version): Same.
11029         (ipa_tm_transform_calls_redirect): Same.
11030         (ipa_tm_transform_calls): Same.
11031         (ipa_tm_transform_transaction): Same.
11032         (ipa_tm_execute): Same.
11034 2012-01-10  Richard Guenther  <rguenther@suse.de>
11036         PR middle-end/51806
11037         * opts.c (common_handle_option): Handle -Werror.
11039 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
11041         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
11042         operand number.
11044 2012-01-10  Jason Merrill  <jason@redhat.com>
11046         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
11047         information.
11049 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11051         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
11052         supports R_386_TLS_GD_PLT reloc.
11053         (gcc_cv_as_ix86_tlsldmplt): Check if linker
11054         supports R_386_TLS_LDM_PLT reloc.
11055         * configure: Regenerate.
11056         * config.in: Regenerate.
11058 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
11060         PR target/49868
11061         Extend __pgmx semantics to linearize memory.
11062         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
11063         determine if code comes inline or from libgcc.
11064         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
11065         (movmem_qi, movmem_qi): Set constraint #2 to "n".
11066         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
11067         (movmemx_qi, movmemx_hi): New insns.
11068         (xload_<mode>_libgcc): Rewrite to new insn condition.
11069         (xload_<mode>): Remove insns.
11070         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
11071         cases that don't satisfy avr_xload_libgcc_p().
11072         (avr_addr_space_convert): Allow converting in any direction.
11073         (avr_addr_space_subset_p): Return always true.
11074         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
11075         (avr_emit_movmemhi): Ditto.
11076         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
11077         (avr_out_movmem): Ditto.
11078         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
11079         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
11080         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
11081         (avr_encode_section_info): Encode 'progmem' in symbol flags.
11082         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
11084 2012-01-10  Richard Guenther  <rguenther@suse.de>
11086         PR tree-optimization/50913
11087         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
11088         Require data-refs to be representable by Graphite with respect
11089         to any loop nest.
11091 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
11093         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
11094         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
11096 2012-01-10  Tom de Vries  <tom@codesourcery.com>
11098         PR rtl-optimization/51271
11099         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
11100         handling annulled branch.
11102 2012-01-10  Richard Henderson  <rth@redhat.com>
11104         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
11105         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
11106         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
11107         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
11108         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
11109         arm_expand_vec_perm_const): New.
11110         * config/arm/arm-protos.h: Update.
11111         * config/arm/neon.md (UNSPEC_VCONCAT): New.
11112         (*neon_vswp<VDQX>): New.
11113         (neon_vcombine<VDX>): Use neon_split_vcombine.
11114         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
11115         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
11116         (vec_perm<VE>): New.
11118 2012-01-10  Richard Henderson  <rth@redhat.com>
11120         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
11121         use it if reload_completed.
11122         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
11123         arm_output_asm_insn, arm_process_output_memory_barrier,
11124         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
11125         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
11126         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
11127         arm_process_output_sync_insn, arm_output_sync_insn,
11128         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
11129         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
11130         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
11131         (emit_unlikely_jump): New.
11132         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
11133         (arm_split_atomic_op): New.
11134         * config/arm/arm-protos.h: Update.
11135         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
11136         (struct arm_sync_generator): Remove.
11137         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
11138         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
11139         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
11140         (VUNSPEC_LL, VUNSPEC_SC): New.
11141         (sync_result, sync_memory, sync_required_value, sync_new_value,
11142         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
11143         (attr length): Don't use arm_sync_loop_insns.
11144         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
11145         (movsfcc, movdfcc): Likewise.
11146         * config/arm/constraints.md (Ua): New.
11147         * config/arm/prediates.md (mem_noofs_operand): New.
11148         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
11149         (sync_clobber, sync_t2_reqd): Remove.
11150         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
11151         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
11152         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
11153         (arm_sync_compare_and_swap<SIDI>): Remove.
11154         (arm_sync_compare_and_swap<NARROW>): Remove.
11155         (arm_sync_lock_test_and_set<SIDI>): Remove.
11156         (arm_sync_lock_test_and_set<NARROW>): Remove.
11157         (arm_sync_new_<syncop><SIDI>): Remove.
11158         (arm_sync_new_<syncop><NARROW>): Remove.
11159         (arm_sync_new_nand<SIDI>): Remove.
11160         (arm_sync_new_nand<NARROW>): Remove.
11161         (arm_sync_old_<syncop><SIDI>): Remove.
11162         (arm_sync_old_<syncop><NARROW>): Remove.
11163         (arm_sync_old_nand<SIDI>): Remove.
11164         (arm_sync_old_nand<NARROW>): Remove.
11165         (*memory_barrier): Merge arm_output_memory_barrier.
11166         (atomic_compare_and_swap<QHSD>): New.
11167         (atomic_compare_and_swap<NARROW>_1): New.
11168         (atomic_compare_and_swap<SIDI>_1): New.
11169         (atomic_exchange<QHSD>): New.
11170         (cas_cmp_operand, cas_cmp_str): New.
11171         (atomic_op_operand, atomic_op_str): New.
11172         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
11173         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
11174         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
11175         (arm_load_exclusive<NARROW>): New.
11176         (arm_load_exclusivesi, arm_load_exclusivedi): New.
11177         (arm_store_exclusive<QHSD>): New.
11179 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
11181         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
11182         reload patterns if -mvsx-scalar-memory.
11184         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
11185         generated, even -mno-vsx-scalar-double was used.
11186         (vsx_xscvdpsp_scalar): Likewise.
11187         (vsx_xscvspdp_scalar2): Likewise.
11189 2012-01-09  Tom de Vries  <tom@codesourcery.com>
11190             Andrew Pinski  <apinski@cavium.com>
11192         PR debug/51471
11193         * reorg.c (fill_slots_from_thread): Don't speculate
11194         frame-related insns.
11196 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
11198         * sched-int.h (bb_note): Move to...
11199         * basic-block.h: ...here.
11200         * haifa-sched.c (bb_note): Move to...
11201         * cfgrtl.c: ...here.
11202         * function.c (next_block_for_reg): New function.
11203         (move_insn_for_shrink_wrap): Likewise.
11204         (prepare_shrink_wrap): Rewrite to use the above.
11206 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
11208         * gimple.c (is_gimple_non_addressable): Remove.
11209         * gimple.h: Remove is_gimple_non_addressable.
11210         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
11211         is_gimple_non_addressable.
11212         * trans-mem.c (expand_assign_tm): Same.
11214 2012-01-09  Richard Guenther  <rguenther@suse.de>
11216         PR tree-optimization/51775
11217         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
11218         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
11220 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
11222         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
11223         tuning parameters.
11224         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
11226 2012-01-09  Richard Guenther  <rguenther@suse.de>
11228         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
11230 2012-01-08  Jan Hubicka  <jh@suse.cz>
11232         PR tree-optimize/51680
11233         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
11234         on when known_vals needs to be computed; cleanup.
11236 2012-01-08  Jan Hubicka  <jh@suse.cz>
11238         PR tree-optimize/51694
11239         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
11241 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
11243         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
11244         for -std=c++98 and -std=c++11 too.
11246 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
11248         * cfgloop.c (cancel_loop): Add free() of bbs array.
11250 2012-01-07  Jan Hubicka  <jh@suse.cz>
11252         PR tree-optimization/51600
11253         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
11254         that benefits small functions.
11256 2012-01-07  Jan Hubicka  <jh@suse.cz>
11258         * ipa-inline.c (want_inline_small_function_p): Fix formating.
11260 2012-01-07  Jan Hubicka  <jh@suse.cz>
11262         PR tree-optimization/51680
11263         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
11264         whose inlining reduce unit size.
11266 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
11268         PR bootstrap/51725
11269         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
11270         Add canonical node to containing_mem chain after the non-canonical
11271         one, even if there weren't any locs to propagate.
11272         (remove_useless_values): Keep only canonical values.
11273         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
11274         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
11275         canonicalize mem_chain elements that are not discarded.
11277 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
11279         PR target/47333
11280         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
11281         before emitting functions.
11283         PR gcov-profile/50127
11284         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
11285         clear_aux_for_blocks.
11287 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
11289         PR debug/51746
11290         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
11292 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
11294         * c-decl.c (ext_block): Moved up.
11295         (collect_all_refs, for_each_global_decl): Take ext_block into account.
11297 2012-01-06  Han Shen  <shenhan@google.com>
11299         Translate built-in include paths for sysroot.
11300         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
11301         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
11303         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
11304         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
11306         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
11307         control whether sysroot should be prepended to gxx include dir.
11309         * configure: Regenerate.
11311 2012-01-06  Torvald Riegel  <triegel@redhat.com>
11313         PR rtl-optimization/51771
11314         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
11315         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
11317 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
11319         PR tree-optimization/51315
11320         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
11321         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
11323 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
11325         PR target/51681
11326         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
11327         for shrp pattern.  Correctly handle and fixup shift variable.
11328         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
11330 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11332         PR debug/51762
11333         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
11334         note when !ACCUMULATE_OUTGOING_ARGS.
11336 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
11338         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
11339         condition.
11340         (extract_range_from_unary_expr_1): Avoid useless computations.
11342 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11344         PR rtl-optimization/51767
11345         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
11346         of jump_block and add an extra edge for degenerated asm gotos.
11348         PR middle-end/51768
11349         * stmt.c (check_unique_operand_names): Don't ICE during error
11350         reporting if i is from labels chain.
11352         PR middle-end/44777
11353         * profile.c (branch_prob): Split bbs that have exit edge
11354         and need a fake entry edge too.
11356 2012-01-05  Jan Hubicka  <jh@suse.cz>
11358         PR middle-end/49710
11359         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
11360         unlooping loops.
11362 2012-01-05  Richard Guenther  <rguenther@suse.de>
11364         PR lto/50490
11365         * tree-streamer-out.c (write_ts_optimization): New function.
11366         (streamer_write_tree_body): Call it.
11367         * tree-streamer-in.c (lto_input_ts_optimization): New function.
11368         (streamer_read_tree_body): Call it.
11369         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
11371 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11373         PR middle-end/51761
11374         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
11375         * gimplify.c (gimplify_cleanup_point_expr): Save and set
11376         in_cleanup_point_expr before gimplify_stmt call and restore it
11377         afterwards.
11378         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
11379         in_cleanup_point_expr is false.
11381 2012-01-05  Richard Guenther  <rguenther@suse.de>
11383         PR middle-end/51764
11384         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
11385         to c.opt.
11386         * toplev.c (process_options): Reject combining mudflap and LTO.
11387         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
11389 2012-01-05  Richard Guenther  <rguenther@suse.de>
11391         PR tree-optimization/51760
11392         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
11393         not VARYING.
11394         (bit_value_unop): Handle UNDEFINED operands.
11395         (bit_value_binop): Likewise.
11397 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
11399         * config/avr/avr.c (avr_replace_prefix): Remove.
11400         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
11401         (avr_asm_function_rodata_section): Ditto.
11402         (avr_asm_select_section): Ditto.
11404 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
11406         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
11407         insertion.
11409 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11411         PR bootstrap/51648
11412         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
11413         calls that have any non-fake successor edges.
11415         PR debug/51746
11416         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
11418 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
11420         PR tree-optimization/51624
11421         * tree-sra.c (build_ref_for_model): When replicating a chain of
11422         COMPONENT_REFs, stop as soon as the offset would become negative.
11424 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
11426         PR debug/51695
11427         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
11428         in .debug_loc on the floor.
11430 2012-01-04  Andrew Pinski  <apinski@cavium.com>
11432         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
11434 2012-01-04  Andrew Pinski  <apinski@cavium.com>
11435             Adam Nemet  <anemet@caviumnetworks.com>
11437         * config/mips/mips.md (size): Add SI and DI.
11438         (SIZE): New mode attribute.
11439         (U): New code attribute.
11440         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
11441         (mips_lbux_<mode>): Delete.
11442         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
11443         (mips_lhx): Use gen_mips_lhx_extsi.
11444         (mips_lhx_<mode>): Delete.
11445         (mips_lwx): Delete.
11446         (mips_l<size>x): New expand.
11447         (mips_lwx_<mode>): Delete.
11448         (mips_l<GPR:size>x_<P:mode>): New pattern.
11449         (*mips_lw<u>x_<P:mode>_ext): Likewise.
11450         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
11451         * config/mips/mips.c (mips_lx_address_p): New function.
11452         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
11453         (dsp64): New availability predicate.
11454         (mips_builtins): Add an entry for __builtin_mips_ldx.
11455         * config/mips/mips.h (ISA_HAS_LBX): New define.
11456         (ISA_HAS_LBUX): Likewise.
11457         (ISA_HAS_LHX): Likewise.
11458         (ISA_HAS_LHUX): Likewise.
11459         (ISA_HAS_LWX): Likewise.
11460         (ISA_HAS_LWUX): Likewise.
11461         (ISA_HAS_LDX): Likewise.
11462         * doc/extend.texi (__builtin_mips_ldx): Document.
11464 2012-01-04  Tristan Gingold  <gingold@adacore.com>
11466         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
11467         when long pointers are used.
11468         * config.build (*-*-*vms*): Handle all OpenVMS targets.
11469         (alpha64-dec-*vms*, alpha*-dec-*vms*)
11470         (ia64-hp-*vms*): Remove.
11471         * config/vms/xm-vms64.h: Delete.
11473 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
11475         PR middle-end/51472
11476         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
11478 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
11480         * opts.c (finish_options): Remove duplicate sorry.
11482 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
11484         PR middle-end/51696
11485         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
11486         correctly.
11488 2012-01-04  Richard Guenther  <rguenther@suse.de>
11490         PR middle-end/51750
11491         * tree.c (size_low_cst): New function.
11492         * tree.h (size_low_cst): Declare.
11493         * fold-const.c (fold_comparison): Use it to extract the low
11494         part of the POINTER_PLUS_EXPR offset.
11496 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
11498         Fix clearing ZERO_REG
11499         * config/avr/avr.md (cc): Add alternative "ldi".
11500         (movqi_insn): Use it in cc attribute.
11501         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
11502         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
11503         (output_reload_insisf): Use ZERO_REG to pre-clear register.
11505 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11507         * configure: Regenerate.
11509 2012-01-04  Richard Guenther  <rguenther@suse.de>
11511         PR tree-optimization/49651
11512         * tree-ssa-structalias.c (type_can_have_subvars): New function.
11513         (var_can_have_subvars): Use it.
11514         (get_constraint_for_1): Only consider subfields if there can be any.
11516 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
11518         PR bootstrap/51725
11519         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
11520         to its new canonical_cselib_val and the cselib_val was in
11521         first_containing_mem chain, but the canonical_cselib_val was not,
11522         add the latter into the chain.
11523         (cselib_invalidate_mem): Compare canonical_cselib_val of
11524         addr_list chain elt with v.
11526         PR pch/51722
11527         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
11528         dwarf2out_undef): Allocate e.info using ggc_strdup instead
11529         of xstrdup.
11530         (output_macinfo_op): Don't ggc_strdup fd->filename.
11531         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
11532         then ggc_strdup it.  Don't free inc->info or cur->info.
11533         (output_macinfo): Don't free ref->info or file->info.
11535 2012-01-03  Ira Rosen  <irar@il.ibm.com>
11537         PR tree-optimization/51269
11538         * tree-vect-loop-manip.c (set_prologue_iterations): Make
11539         first_niters a pointer.
11540         (slpeel_tree_peel_loop_to_edge): Likewise.
11541         (vect_do_peeling_for_loop_bound): Update call to
11542         slpeel_tree_peel_loop_to_edge.
11543         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
11544         here.  Remove it from the parameters list.
11545         (vect_do_peeling_for_alignment): Update calls and compute
11546         wide_prolog_niters.
11548 2012-01-03  Richard Guenther  <rguenther@suse.de>
11550         PR tree-optimization/51070
11551         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
11552         Properly handle calls.
11554 2012-01-03  Richard Guenther  <rguenther@suse.de>
11556         PR tree-optimization/51692
11557         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
11558         the LHS of allocation stmts.
11560 2012-01-03  Olivier Hainque  <hainque@adacore.com>
11562         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
11564 2012-01-03  Olivier Hainque  <hainque@adacore.com>
11566         * collect2.c (main): In AIX specific computations for vector
11567         insertions, use CONST_CAST2 to cast from char ** to const char **.
11569 2012-01-03  Richard Guenther  <rguenther@suse.de>
11571         PR debug/51650
11572         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
11573         the context of a limbo DIE when it does not already exist.
11575 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
11577         PR tree-optimization/51719
11578         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
11579         but direct call is, clear direct call's lhs and don't add fallthrough
11580         edge from dcall_bb to join_bb and PHIs.
11582 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11584         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
11585         the instructions emitted by the pattern.
11586         ("*TDC_insn_<mode>"): Add comment.
11588 2012-01-03  Richard Guenther  <rguenther@suse.de>
11590         PR middle-end/51730
11591         * fold-const.c (fold_comparison): Properly canonicalize
11592         tree offset and HOST_WIDE_INT bit position.
11594 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
11596         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
11597         operands for extzv pattern.
11599 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
11601         PR bootstrap/51725
11602         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
11603         on mem_elt first.
11605 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
11607         * doc/invoke.texi (-flto and related options): Copy-edit.
11609 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11611         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
11613 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
11615         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
11616         New patterns.
11618 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11620         * expr.h (move_by_pieces_ninsns): Declare.
11621         * expr.c (move_by_pieces_ninsns): Make external.
11622         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
11623         (mips_store_by_pieces_p): Likewise.
11624         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
11625         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
11626         * config/mips/mips.c (mips_move_by_pieces_p): New function.
11627         (mips_store_by_pieces_p): Likewise.
11629 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
11631         * passes.c (register_one_dump_file): Free full_name.
11633         * reload1.c (reload): Don't allocate reg_max_ref_width here.
11634         (calculate_elim_costs_all_insns): Free offsets_at and
11635         offsets_known_at at the end and clear the pointers.
11637 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
11639         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
11640         this option introduced in r180739.
11642 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
11644         PR target/51345
11645         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
11646         (tmake_file target=avr): Add avr/t-multilib.
11648         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
11649         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
11650         * config/avr/genmultilib.awk: New file.
11651         * config/avr/t-multilib: New auto-generated file.
11652         * config/avr/multilib.h: New auto-generated file.
11653         * config/avr/t-avr (AVR_MCUS): New variable.
11654         (genopt.sh): Use it.
11655         (s-mlib): Depend on t-multilib.
11656         (t-multilib, multilib.h): New dependencies.
11657         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
11658         (MULTILIB_OPTIONS): Remove.
11659         (MULTILIB_MATCHES): Remove.
11660         (MULTILIB_DIRNAMES): Remove.
11661         (MULTILIB_EXCEPTIONS): Remove:
11662         * config/avr/genopt.sh: Don't use hard coded file name;
11663         pass AVR_MCUS from t-avr instead.
11665 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
11667         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
11669 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
11671         Implement light-weight DImode support.
11672         * config/avr/avr-dimode.md: New file.
11673         * config/avr/avr.md: Include it.
11674         (adjust_len): Add plus64, compare64.
11675         (HIDI): Remove code iterator.
11676         (code_stdname): New code attribute.
11677         (rotx, rotsmode): Remove DI.
11678         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
11679         as code iterator.
11680         * config/avr/avr-protos.h (avr_have_dimode): New.
11681         (avr_out_plus64, avr_out_compare64): New.
11682         * config/avr/avr.c (avr_out_compare): Handle DImode.
11683         (avr_have_dimode): New variable definition and initialization.
11684         (avr_out_compare64, avr_out_plus64): New functions.
11685         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
11686         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
11687         (avr_compare_pattern): Skip DImode comparisons.
11689 2012-01-02  Revital Eres  <revital.eres@linaro.org>
11691         * ddg.c (def_has_ccmode_p): New function.
11692         (add_cross_iteration_register_deps,
11693         create_ddg_dep_from_intra_loop_link): Call it.
11695 2012-01-02  Richard Guenther  <rguenther@suse.de>
11697         PR other/51679
11698         * invoke.texi (fassociative-math): Remove spurious paranthesis.
11700 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
11702         * gcc.c (process_command): Update copyright notice dates.
11703         * gcov.c (print_version): Likewise.
11704         * gcov-dump.c (print_version): Likewise.
11705         * mips-tfile.c (main): Likewise.
11706         * mips-tdump.c (main): Likewise.
11708 2012-01-01  Ira Rosen  <irar@il.ibm.com>
11710         PR tree-optimization/51704
11711         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
11712         a use is inside the basic block or loop before accessing its vect info.
11714 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
11716         PR rtl-optimization/51069
11717         * cfgloopmanip.c (remove_path): Removing path making irreducible
11718         region unconditional makes BB part of the region.
11720 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
11722         PR tree-optimization/51683
11723         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
11724         calls with side-effects.
11725         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
11727 Copyright (C) 2012 Free Software Foundation, Inc.
11729 Copying and distribution of this file, with or without modification,
11730 are permitted in any medium without royalty provided the copyright
11731 notice and this notice are preserved.