2012-05-24 Richard Guenther <rguenther@suse.de>
[official-gcc.git] / gcc / ChangeLog
blobb817c58e5bbf6438b93a14785757bf4e8ead7a61
1 2012-05-24  Richard Guenther  <rguenther@suse.de>
3         PR bootstrap/53466
4         * tree-ssa-live.c (remove_unused_scope_block_p): Properly
5         handle globals.
6         (remove_unused_locals): Pass global_unused_vars to
7         remove_unused_scope_block_p.  Restore code walking all
8         referenced vars and pruning them.
10 2012-05-23  Jan Hubicka  <jh@suse.cz>
12         * tree.h (alias_diag_flags): Remove.
13         (alias_pair): Remove emitted_diags.
14         (finish_aliases_1, finish_aliases_2, remove_unreachable_alias_pairs,
15         symbol_alias_set_t, symbol_alias_set_destroy,
16         symbol_alias_set_contains, propagate_aliases_backward): Remove.
17         * toplev.c (compile_file): Do not call finish_aliases_2
18         * cgraphunit.c (cgraph_process_new_functions): Do not call finish_aliases_1.
19         (handle_alias_pairs): Output diagnostics about aliases to externals.
20         (assemble_thunks_and_aliases): Use do_assemble_alias.
21         (output_weakrefs): Likewise.
22         (finalize_compilation_unit): Do not call finish_aliases_1.
23         * ipa.c (symtab_remove_unreachable_nodes): De not call remove_unreachable_alias_pairs.
24         * varasm.c (do_assemble_alias): Export.
25         (symbol_alias_set_create, symbol_alias_set_destroy, symbol_alias_set_contains,
26         symbol_alias_set_insert, propagate_aliases_forward, propagate_aliases_backward,
27         propagate_aliases_backward, trivially_visible_alias, trivially_defined_alias,
28         remove_unreachable_alias_pairs, finish_aliases_1, finish_aliases_2, 
29         assemble_alias): Remove.
30         * output.h (do_assemble_alias): Declare.
31         * varpool.c (varpool_remove_unreferenced_decls): Do not call finish_aliases_1.
33 2012-05-23  Martin Jambor  <mjambor@suse.cz>
35         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
37 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
39         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
40         size handling.
41         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
42         (iterative_hash_gimple_type): Adjust comment.
43         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
44         domain for an array type instead of the domain type itself.
46 2012-05-23  Richard Guenther  <rguenther@suse.de>
48         PR tree-optimization/53438
49         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
51 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
53         PR target/53448
54         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
55         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
56         ASM_OUTPUT_ALIGN.
58 2012-05-23  Richard Guenther  <rguenther@suse.de>
60         * tree-dfa.c (add_referenced_var_1): Do not add global vars.
61         * tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
62         via the global_unused_vars bitmap.
63         (remove_unused_locals): Handle global vars in local-decls via
64         a global_unused_vars bitmap instead of the used flag in the
65         var annotation.  Simplify global variable handling and removal.
67 2012-05-22  Jan Hubicka  <jh@suse.cz>
69         PR middle-end/53426
70         * tree-ssa-structalias.c (create_variable_info_for): Skip constructors
71         from other partitions.
73 2012-05-22  Jan Hubicka  <jh@suse.cz>
75         PR middle-end/53161
76         * symtab.c (symtab_register_node): Fix ordering issue.
78 2012-05-22  Steven Drake <sbd@NetBSD.org>
80         * gcc.c (do_spec_1): Add %M spec token to output multilib_os_dir.
82 2012-05-22  David Edelsohn  <dje.gcc@gmail.com>
84         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
85         Use strip_name_encoding target hook.
87 2012-05-22  Richard Guenther  <rguenther@suse.de>
89         * tree.h (VAR_DECL_IS_VIRTUAL_OPERAND): New.
90         (init_function_for_compilation): Remove.
91         * tree-dfa.c (find_vars_r): Take struct function argument.
92         (find_referenced_vars_in): Adjust.
93         * tree-ssa-operands.c (clobber_stats): Remove.
94         (create_vop_var): Take struct function argument.  Mark
95         virtual operand with VAR_DECL_IS_VIRTUAL_OPERAND.
96         (init_ssa_operands): Take struct function argument.
97         (fini_ssa_operands): Do not dump dead stats.
98         * tree-ssa-operands.h (init_ssa_operands): Take struct function
99         argument.
100         * cgraphunit.c (init_lowered_empty_function): Adjust.
101         * lto-streamer-in.c (input_cfg): Likewise.
102         * tree-inline.c (initialize_cfun): Likewise.
103         * tree-into-ssa.c (rewrite_into_ssa): Likewise.
104         * omp-low.c (expand_omp_taskreg): Likewise.  Avoid switching
105         cfun.
106         * gimple.c (is_gimple_reg): Optimize the SSA_NAME case,
107         virtual operands are not registers.
109 2012-05-22  Richard Guenther  <rguenther@suse.de>
111         * tree-cfg.c (verify_gimple_assign_unary): Fix typo in previous
112         commit.
114 2012-05-22  Richard Guenther  <rguenther@suse.de>
116         PR middle-end/53437
117         * tree-inline.c (setup_one_parameter): Create a dummy init
118         statement for unused parameters when not optimizing.
120 2012-05-22  Richard Guenther  <rguenther@suse.de>
122         * tree-flow.h (add_referenced_var_1): Declare.
123         (add_referenced_var): Define.
124         * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash
125         lookup.
126         (add_referenced_var): Rename to ...
127         (add_referenced_var_1): ... this.  Take struct function argument.
129 2012-05-22  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
131         PR target/53334
132         * config/arm/arm-protos.h (arm_validize_comparison): Declare.
133         * config/arm/arm.c (arm_validize_comparison): Define.
134         * config/arm/arm.md ("cbranchsi4"): Cleanup expansion and use
135         arm_validize_comparison.
136         ("cbranchdi4"): Likewise.
137         ("cstoredi4"): Likewise.
138         ("movsicc"): Likewise.
139         ("movsfcc"): Likewise.
140         ("movdfcc"): Likewise.
142 2012-05-22  Dimitrios Apostolou  <jimis@gmx.net>
144         * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
145         the mw_reg_pool size.
147 2012-05-22  Paolo Bonzini  <bonzini@gnu.org>
149         PR tree-optimization/53336
150         * tree-cfg.c (verify_gimple_assign_unary): Allow conversion from
151         non-integer integral types to offset type and vice versa.
153 2012-05-22  Alan Modra  <amodra@gmail.com>
155         * config/rs6000/aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
156         * config/rs6000/darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
157         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE,
158         V_SAVE_INLINE): Delete.
159         * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete.
160         (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic.
161         For ELF targets, use out-of-line restores for -Os and any number
162         of regs if the restore exits, and out-of-line gp save for two or
163         more regs.  Use save_reg_p to test for holes in reg restore set.
164         Replace "#if" with "if".
166 2012-05-22  Alan Modra  <amodra@gmail.com>
168         * config/rs6000/rs6000.c (save_reg_p): New function.
169         (first_reg_to_save, first_fp_reg_to_save): Use it here.
170         (first_altivec_reg_to_save, restore_saved_cr): Likewise.
171         (emit_frame_save): Use gen_frame_store.
172         (gen_frame_mem_offset): Correct SPE condition requiring reg+reg.
173         (rs6000_emit_prologue): Use save_reg_p.  Use gen_frame_store for
174         vrsave and toc.
175         (rs6000_emit_epilogue): Use save_reg_p.  Use gen_frame_load for
176         vrsave, toc, gp and fp restores.
178 2012-05-22  Alan Modra  <amodra@gmail.com>
180         * config/rs6000/rs6000.c: Delete unnecessary forward declarations.
181         Move those with ATTRIBUTE_UNUSED to immediately before definitions.
182         Move function pointer variables after forward declarations.
183         (rs6000_builtin_support_vector_misalignment): Make static.
184         (rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
185         (rs6000_function_value, rs6000_can_eliminate): Likewise.
187 2012-05-21  Bernd Schmidt  <bernds@codesourcery.com>
189         PR rtl-optimization/53373
190         * caller-save.c (save_call_clobbered_regs): Look into a possible
191         PARALLEL manually rather than using single_set on a call insn.
193 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
195         PR tree-optimization/53436
196         * omp-low.c (omp_build_component_ref): New function.
197         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
199 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
201         * config/i386/i386.c (put_condition_code): Change "reverse" and "fp"
202         arguments to bool.
203         (ix86_print_operand) <case 'O'>: Look at mode size of the operand.
204         Do not print '.' here.  Output operand lossage error for unhandled
205         sizes.  Move.
206         <case '*'>: Move.
207         <case '&'>: Ditto.
208         <case 'Y'>: Ditto.
209         <case 'z'>: Hardcode "code" argument into error strings.
210         <case 'Z'>: Ditto.
211         <case 'D'>: Merge AVX and non-AVX codes.
212         <case 'C', case 'c', case 'F', case 'f'>: Merge.  Fix error string.
213         Update call to put_condition_code.
215 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
217         * config/m68k/m68k.md (*clzsi2_cf): Renamed from clzsi2.  Call
218         CC_STATUS_INIT.
219         (clzsi2): New expander.
220         (*clzsi2_68k): New insn.
221         * config/m68k/m68k.h: Update comment about CLZ_DEFINED_VALUE_AT_ZERO.
223 2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
225         * gimple.h (gimple_set_in_transaction): Remove.
226         (gimple_in_transaction): Look in BB instead.
227         (gimple_statement_base): Remove in_transaction field.
228         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
229         * trans-mem.c (compute_transaction_bits): Place transaction bit
230         information into basic blocks.
232 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
234         * expr.c (get_def_for_expr_class): Define only if
235         HAVE_conditional_move.
236         (convert_tree_comp_to_rtx): Likewise.
238 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
240         PR target/53399
241         * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
242         for TARGET_BMI.
243         (ffssi2_no_cmove): Ditto.
244         (*ffs<mode>_1): Remove insn pattern.
245         (*tzcnt<mode>_1): New insn pattern.
246         (*bsf<mode>1): Ditto.
248 2012-05-21  Richard Guenther  <rguenther@suse.de>
250         * tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
251         more referenced vars.
252         * tree-ssa-live.c (mark_all_vars_used_1): Only set the used
253         flag on variables that have a var-annotation.
255 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
257         PR c/53418
258         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
259         from folded operands before wrapping another around the
260         conditional expression.
262 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
264         PR tree-optimization/53366
265         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
266         tests if complex_numbers == 2, but there are non-complex number loads
267         too.
269         PR tree-optimization/53409
270         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
271         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
273         PR tree-optimization/53410
274         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
275         instead of build_int_cst (type, 0) where vector types might be
276         involved. Instead of build_int_cst (type, 1) convert the original
277         integer_onep argument to the desired type.
279 2012-05-21  Michael Matz  <matz@suse.de>
281         * genattrtab.c (attr_rtx_cost): Move earlier, start with cost being 1.
282         (simplify_test_exp): Handle one more case of distributive law,
283         decrease cost threshold.
284         (tests_attr_p, get_attr_order): New functions.
285         (optimize_attrs): Use topological order, inline only cheap values.
286         (write_attr_set): Reset our_known_true after some time.
288 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
290         PR target/53425
291         * config/i386/i386.c (type_natural_mode): Warn passing SSE
292         vector argument without SSE enabled changes the ABI.
294 2012-05-21  Richard Guenther  <rguenther@suse.de>
296         PR tree-optimization/53408
297         * tree-vect-loop.c (vectorizable_induction): Properly check
298         the restriction that we cannot handle induction results from
299         the inner loop outside of the outer loop.
301 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
303         PR target/53416
304         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
305         (UNSPECV_RDRAND): This.
306         (rdrand<mode>_1): Updated.
308 2012-05-21  Richard Guenther  <rguenther@suse.de>
310         * tree-loop-distribution.c (can_generate_builtin): Reject
311         volatile stmts.
313 2012-05-21  Chung-Lin Tang  <cltang@codesourcery.com>
315         * Makefile.in (options.c): Add options.h to included header
316         files, before tm.h.
318 2012-05-21  Razya Ladelsky  <razya@il.ibm.com>
320         * tree-parloops.c : Add myself to contributors, update
321         TODO list, add link to wiki.
323 2012-05-21  Alan Modra  <amodra@gmail.com>
325         * config/rs6000/predicates.md (input_operand): Don't match
326         constant pool addresses.  Remove label_ref, high and plus from
327         match_code list.  Remove redundant CONSTANT_P test.
328         (splat_input_operand): Similarly update match_code list.
329         (small_toc_ref): New predicate.
330         * config/rs6000/rs6000-protos.h (toc_relative_expr_p): Update prototype.
331         * config/rs6000/rs6000.c (tocrel_base, tocrel_offset): Make const.
332         (legitimate_constant_pool_address_p): Move TARGET_TOC test and
333         register checks to..
334         (toc_relative_expr_p): ..here.  Add "strict" param.  Match new rtl
335         generated by create_TOC_reference.
336         (rs6000_legitimize_address): Update cerate_TOC_reference call.
337         (rs6000_delegitimize_address): Handle new rtl for toc refs.
338         (rs6000_cannot_force_const_mem, rs6000_find_base_term): Likewise.
339         (use_toc_relative_ref): New function, split out from..
340         (rs6000_emit_move): ..here.  Remove redundant tests.  Update
341         create_TOC_reference calls.
342         (rs6000_legitimize_reload_address): Formatting.  Handle splitting
343         of medium/large model toc addresses.  Use use_toc_relative_ref.
344         (print_operand): Formatting, style.  Adjust for toc changes.
345         (print_operand_address): Likewise.
346         (rs6000_output_addr_const_extra): Likewise.
347         (create_TOC_reference): Put TOC_REGISTER in UNSPEC_TOCREL rather
348         than a PLUS.  Use this formulation for both high and low part
349         of -mcmodel=medium/large toc reference too.  Before reload,
350         always use the small model formulation.
351         * config/rs6000/rs6000.md (tls_gd, tls_gd_high): Similarly avoid
352         a PLUS in high part of addresses here.
353         (tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
354         (tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
355         (largetoc_high, largetoc_low): Move earlier.  Cope when no
356         base reg available.
357         (largetoc_high_plus): New insn.
358         (movsi_internal1, movsi_internal1_single, movsf_softfloat,
359         movdi_mfpgpr, movdi_internal64): Don't handle 'R' constraint here..
360         (tocref): ..instead do so here, new insn and split.
362 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
364         * config/i386/driver-i386.c (host_detect_local_cpu): Support
365         RDRND, F16C and FSGSBASE.
367 2012-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
369         PR rtl-optimzation/53373
370         * config/pa/pa.md (call_symref_pic): Don't expose PIC register save in
371         call pattern.  Update split patterns.
372         (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
373         call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
375 2012-05-20  Razya Ladelsky  <razya@il.ibm.com>
377         * tree-parloops.c (gen_parallel_loop): Change many_iterations_cond
378         for outer loops.
380 2012-05-18  Jan Hubicka  <jh@suse.cz>
382         * cgraphunit.c (handle_alias_pairs): Declare; free alias_pairs
383         (cgraph_process_new_functions): Process also aliases.
384         * lto-streamer-out.c (struct sets): Remove.
385         (trivally_defined_alias): Remove.
386         (output_alias_pair_p): Remove.
387         (output_unreferenced_globals): Remove.
388         (produce_symtab); Do not handle alias pairs.
389         (produce_asm_for_decls): Likewise.
390         * lto-streamer-in.c (input_alias_pairs): Remove.
391         (lto_read_body): Do not input alias pairs.
392         (lto_input_constructors_and_inits): Remove.
394 2012-05-18  Jan Hubicka  <jh@suse.cz>
396         * cgraphunit.c (handle_alias_pairs): Cleanup; handle all types of
397         aliases.
399 2012-05-18  Jan Hubicka  <jh@suse.cz>
401         * cgraphbuild.c (record_reference): Update.
402         * lto-cgraph.c (lto_output_varpool_node): External vars
403         are not in other partition even if they are not output
404         in current partition.
405         * gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
406         argument; fix.
407         (canonicalize_constructor_val): Take FROM_DECL argument.
408         (fold_ctor_reference, fold_string_cst_ctor_reference,
409         fold_array_ctor_reference, fold_nonarray_ctor_reference,
410         fold_ctor_reference): Likewise.
411         (fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
412         * gimple.h (gimple_fold_builtin): Likewise.
414 2012-05-18  Olivier Hainque  <hainque@adacore.com>
416         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
417         $(libsubdir) as libexecsubdir.
419 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
421         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
422         relied on signed overflow behavior.
424 2012-05-18  Richard Guenther  <rguenther@suse.de>
426         PR tree-optimization/53346
427         * tree-loop-distribution.c (ldist_gen): Make sure to apply
428         builtin transform even when only a single partition with
429         all reads/writes exists.
431 2012-05-18  Richard Guenther  <rguenther@suse.de>
433         PR tree-optimization/53390
434         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
435         strided loads.
437 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
439         * tree-ssa-reassoc.c (bip_map): Remove decl.
440         (completely_remove_stmt): Remove function.
441         (remove_def_if_absorbed_call): Remove function.
442         (remove_visited_stmt_chain): Remove __builtin_powi handling.
443         (possibly_move_powi): Remove function.
444         (rewrite_expr_tree): Remove calls to possibly_move_powi.
445         (rewrite_expr_tree_parallel): Likewise.
446         (attempt_builtin_powi): Build multiplies explicitly rather than
447         relying on the ops vector and rank system.
448         (transform_stmt_to_copy): New function.
449         (transform_stmt_to_multiply): Likewise.
450         (reassociate_bb): Handle leftover operations after __builtin_powi
451         optimization; build a final multiply if necessary.
453 2012-05-18  Jan Hubicka  <jh@suse.cz>
455         * cgraphunit.c (varpool_finalize_decl): Allow external decls.
456         (mark_functions_to_output): Fix sanity check.
457         * ipa.c (function_and_variable_visibility): Remove TREE_STATIC check.
459 2012-05-18  Richard Guenther  <rguenther@suse.de>
461         * tree-flow.h (mark_symbols_for_renaming): Remove.
462         * tree-dfa.c (mark_symbols_for_renaming): Likewise.
463         * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming.
464         (copy_debug_stmt): Likewise.
465         (expand_call_inline): Likewise.
466         (declare_return_variable): Mark the return variable for renaming
467         if necessary.
469 2012-05-18  Andrew Stubbs  <ams@codesourcery.com>
471         * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
472         prototype.
473         * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
474         * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
475         (ashrdi3,lshrdi3): Likewise.
476         (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
478 2012-05-18  Meador Inge  <meadori@codesourcery.com>
480         PR rtl-optimization/53352
481         * cse.c (equiv_constant): Ignore paradoxical subregs.
483 2012-05-17  Steven Bosscher  <steven@gcc.gnu.org>
485         PR rtl-optimization/53125
486         * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
487         argument.  Simplify calculation of REG_LIVE_LENGTH for regnos that
488         die in the basic block.  Correctly top off REG_FREQ and
489         REG_FREQ_CALLS_CROSSED.
490         Remove do_not_gen.
491         (regstat_compute_ri): Allocate and free local_live_last_luid.
492         Remove do_not_gen.
493         (regstat_bb_compute_calls_crossed): Correctly top off
494         REG_FREQ_CALLS_CROSSED.
496 2012-05-17  Jan Hubicka  <jh@suse.cz>
498         * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with
499         constructor over decl without.
500         * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
501         * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
502         * cgraphunit.c (process_function_and_variable_attributes): Finalize
503         extrnal decls.
504         (mark_functions_to_output): Also accept bodies for functions with
505         clones.
506         (output_in_order): Skip external vars.
507         * lto-cgraph.c (lto_output_node): External functions are never in other
508         partition.
509         (lto_output_varpool_node): Likewise.
510         * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
511         forgotten initializers.
512         * ipa.c (process_references): Handle external vars.
513         (symtab_remove_unreachable_nodes): Update to handle external vars.
514         (varpool_externally_visible_p): External vars are externally visible.
515         * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
516         * varpool.c (varpool_remove_node): Remove constructor.
517         (decide_is_variable_needed): Handle externals.
518         (varpool_remove_unreferenced_decls): Likewise.
520 2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
522         * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
523         (enable_warning_as_error): Do not special case Wuninitialized.
524         * optc-gen.awk: Add sanity checks.
526 2012-05-17  Jan Hubicka   <jh@suse.cz>
528         * ipa-reference.c (is_proper_for_analysis): Do not check flags
529         that might change as result of global optimization.
530         (analyze_function): Do not check analyzed and externally_visible
531         flags; be happy about address dereferences.
532         (propagate): Prune all_module_statics so it really contains just
533         statics; prune all the local summaries.
534         (ipa_reference_write_optimization_summary): Simplify.
536 2012-05-17  Kwok Cheung Yeung  <kcy@codesourcery.com>
538         * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm, 51qm.
539         * config/m68k/m68k-tables.opt: Regenerated.
540         * doc/invoke.texi (M680x0 Options): Document.
542 2012-05-16  Dave Boutcher  <daveboutcher@gmail.com>
543             Patrick Marlier  <patrick.marlier@gmail.com>
545         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
546         indirect calls.
548 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
550         * configure: Regenerated.
552 2012-05-16  Andrew Pinski  <apinski@cavium.com>
554         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
555         GIMPLE_ASSIGN.
557 2012-05-16  David S. Miller  <davem@davemloft.net>
559         * jump.c (delete_related_insns): If we remove a CALL, make sure
560         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
562 2012-05-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
564         PR tree-optimization/53217
565         * tree-ssa-reassoc.c (bip_map): New static variable.
566         (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
567         (attempt_builtin_powi): Save feeding multiplies on a stack.
568         (reassociate_bb): Create and destroy bip_map.
570 2012-05-16  Olivier Hainque  <hainque@adacore.com>
572         * Makefile.in (install-no-fixedincludes): New target, former toplevel
573         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
574         Add comments and improve stamp preservation across the whole sequence.
575         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
577 2012-05-16  Richard Guenther  <rguenther@suse.de>
579         * tree-inline.c (insert_init_stmt): Do not call
580         mark_symbols_for_renaming.
581         (setup_one_parameter): Avoid initializing unused parameters.
582         (declare_return_variable): Properly handle DECL_BY_REFERENCE
583         return vars in SSA form.
585 2012-05-16  Richard Guenther  <rguenther@suse.de>
587         * tree-flow.h (get_virtual_var): Remove.
588         * tree-dfa.c (get_virtual_var): Likewise.
590 2012-05-16  Richard Guenther  <rguenther@suse.de>
592         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
593         Remove set-only bitmap of new names.
594         (slpeel_tree_peel_loop_to_edge): Likewise.  Do not set
595         CFG hooks.
596         * tree-flow.h (ssa_names_to_replace): Remove.
597         * tree-into-ssa.c (ssa_names_to_replace): Likewise.
599 2012-05-16  Richard Guenther  <rguenther@suse.de>
601         PR tree-optimization/53364
602         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
603         detect a view-conversion of the decl.
605 2012-05-16  Dodji Seketeli  <dodji@redhat.com>
607         PR preprocessor/7263
608         * c-tree.h (enum c_declspec_word): Declare new enum.
609         (struct c_declspecs::locations): New member.
610         (declspecs_add_qual, declspecs_add_scspec)
611         (declspecs_add_addrspace, declspecs_add_alignas): Take a new
612         location parameter.
613         * c-decl.c (build_null_declspecs): Initialize the new struct
614         c_declspecs::locations member.
615         (declspecs_add_addrspace): Take a location parameter for the
616         address space.  Store it onto declaration specifiers.
617         (declspecs_add_qual): Likewise, take a location parameter for the
618         qualifier.
619         (declspecs_add_type): Likewise, take a location parameter for the
620         type specifier.
621         (declspecs_add_scspec): Likewise, take a location parameter for
622         the storage class specifier.
623         (declspecs_add_attrs): Likewise, take a location parameter for the
624         first attribute.
625         (declspecs_add_alignas): Likewise, take a location parameter for
626         the alignas token.
627         (finish_declspecs): For diagnostics, use the location of the
628         relevant declspec, instead of the global input_location.
629         * c-parser.c (c_parser_parameter_declaration): Pass the precise
630         virtual location of the declspec to the declspecs-setters.
631         (c_parser_declspecs): Likewise.  Avoid calling c_parser_peek_token
632         repeatedly.
634 2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
636         * configure.ac: Stack protector enabling for Android targets.
637         * configure: Regenerate.
639 2012-05-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
641         * ira.c (pseudo_move_insn): Delete.
642         (find_moveable_pseudos): Don't set it.
643         (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
644         the definitions of the original pseudo.  Delete all of them.
646 2012-05-16  Olivier Hainque  <hainque@adacore.com>
648         * config/rs6000/rs6000-opts.h (enum processor_type): Add
649         PROCESSOR_PPC8548.
650         * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
651         * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
652         * config/rs6000/8540.md: indicate that the units/patterns apply to
653         ppc8548 as well.
655         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
656         default_cpu into implicit_cpu, conveying what --with-cpu was passed at
657         configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
658         related flags,  check that what is queried is supported by the selected
659         configuration. Rework the single/double_float and MASK_STRING resets to
660         hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
661         costs for PROCESSOR_PPC8548 as well.
662         (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
663         (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
664         statement instead of a sequence of ifs.
666         * config/rs6000/rs6000.h (TARGET_E500): Remove.
667         (TARGET_NO_LWSYNC): Adjust accordingly.
668         * config/rs6000/e500.h (TARGET_E500): Remove.
669         (CHECK_E500_OPTIONS): Adjust accordingly.
670         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
671         (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
672         * config/rs6000/linuxspe.h: Likewise.
673         * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
674         superfluous comments.
675         * config/rs6000/e500-double.h: Remove.
677         * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
678         default to with_cpu=8548 if --enable-e500-double, and to 8540
679         otherwise.
680         (set misc flags section): For powerpc*|rs6000*, remove inclusion
681         of e500-double.h for --enable-e500-double.
683 2012-05-16  Olivier Hainque  <hainque@adacore.com>
685         * Makefile.in (s-header-vars): Resort to -n instead of trailing
686         -e d in sed invocation.
688 2012-05-16  Hans-Peter Nilsson  <hp@axis.com>
690         * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
691         source-code.
692         * doc/tm.texi: Regenerate.
694 2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
696         * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
698 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
700         PR target/53358
701         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
702         that operands[2] is either immediate, or q_regs_operand.
704 2012-05-15  Richard Guenther  <rguenther@suse.de>
706         * cgraphunit.c (thunk_adjust): Use make_rename_temp.
707         (assemble_thunk): Likewise.  Manually rename and register
708         function arguments.
710 2012-05-15  Richard Guenther  <rguenther@suse.de>
712         PR tree-optimization/53355
713         * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
714         by constants.
716 2012-05-15  Tristan Gingold  <gingold@adacore.com>
718         * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
720 2012-05-15  Richard Guenther  <rguenther@suse.de>
722         * gimple.c (gimple_set_modified): Move ...
723         * gimple.h (gimple_set_modified): ... here.
725 2012-05-15  Tristan Gingold  <gingold@adacore.com>
727         * ira-color.c (move_spill_restore): Add a guard.
729 2012-05-15  Tristan Gingold  <gingold@adacore.com>
731         * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
732         plus_constant.
734 2012-05-15  Eric Botcazou  <ebotcazou@adacore.com>
736         * gimplify.c (gimplify_init_constructor): Do a block move for very
737         small objects as well.
739 2012-05-15  Bernd Schmidt  <bernds@codesourcery.com>
741         * ira.c (find_moveable_pseudos): Skip registers whose
742         DF_REG_EQ_USE_COUNT is nonzero.
744 2012-05-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
746         * doc/md.texi (fma): Define to only be applicable for single rounding.
748 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
750         PR target/46098
751         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
752         generate target register for "load" class builtins.
754         Revert:
755         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
757         PR target/46098
758         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
759         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
760         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
761         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
762         (<sse>_movu<ssemodesuffix>): New expander.
763         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
764         (avx_movdqu<avxmodesuffix>): New expander.
765         (*sse2_movdqu): Rename from sse2_movdqu.
766         (sse2_movdqu): New expander.
768 2012-05-14  Marc Glisse  <marc.glisse@inria.fr>
770         PR target/52607
771         * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
772         (canonicalize_perm): ... new function.
773         (expand_vec_perm_2vperm2f128_vshuf): New function.
774         (ix86_expand_vec_perm_const_1): Call it.
776 2012-05-14  Andrew Pinski  <apinski@cavium.com>
777             H.J. Lu  <hongjiu.lu@intel.com>
778             Jakub Jelinek  <jakub@redhat.com>
780         PR target/53315
781         * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
782         (xbegin): Updated.
784 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
786         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
787         lineno 1 the same as lineno 0 before first start file directive.
788         (optimize_macinfo_range): Likewise.
790         * dwarf2out.c (have_macinfo): Define.
791         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
792         attribute, don't force empty compilation unit and don't emit any
793         .debug_macinfo/.debug_macro section if macinfo_table is empty.
795 2012-05-14  Georg-Johann Lay  <avr@gjlay.de>
797         PR target/53344
798         * config/avr/avr.c (avr_const_address_lo16): Remove.
799         (avr_assemble_integer):  Print ".byte lo8(x)",
800         ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
801         .warning if 3-byte address is assembled.
802         * doc/extend.texi (AVR Named Address Spaces): Document that
803         binutils 2.23 is needed to assemble 3-byte addresses.
805 2012-05-14  Richard Guenther  <rguenther@suse.de>
807         * tree-vect-data-refs.c (vect_setup_realignment): Remove
808         call to mark_symbols_for_renaming.
809         (vect_permute_load_chain): Likewise.
810         * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
811         instead of calling mark_symbols_for_renaming.
812         * tree-vect-stmts.c (read_vector_array): Remove call to
813         mark_symbols_for_renaming.
814         (write_vector_array): Likewise.
815         (vectorizable_call): Likewise.
816         (vectorizable_store): Likewise.
817         (vectorizable_load): Likewise.
818         * matrix-reorg.c (transform_allocation_sites): Likewise.
819         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
820         (create_expression_by_pieces): Likewise.
822 2012-05-14  Richard Guenther  <rguenther@suse.de>
824         * gimplify.c (gimple_regimplify_operands): Only mark the LHS
825         of statements for renaming.
826         (force_gimple_operand_1): Likewise, consistently for both
827         calls to force_gimple_operand and force_gimple_operand_gsi.
829 2012-05-14  Richard Guenther  <rguenther@suse.de>
831         * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
832         * omp-low.c (expand_omp_taskreg): Properly conditionalize call
833         to update_ssa.
834         (expand_omp_for): Likewise.
835         (expand_omp_for_generic): Adjust conditional add to referenced vars.
836         Use make_rename_temp for temporaries that should be rewritten into
837         SSA form.
838         (expand_omp_for_static_nochunk): Likewise.
839         (expand_omp_atomic_pipeline): Likewise.
841 2012-05-14  Richard Guenther  <rguenther@suse.de>
843         PR tree-optimization/53331
844         * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
845         strided loads.
846         * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
848 2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
850         PR 53063
851         * doc/options.texi: (LangEnabledBy): Document it.
852         * optc-gen.awk: Handle LangEnabledBy.
853         * opth-gen.awk: Generate declaration for lang-specific functions.
854         * opt-read.awk: Record lang numbers.
855         * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
856         (lang_sanitized_name): New.
858 2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>
860         * attribs.c (decl_attributes): Avoid emitting a warning if
861         ATTR_FLAG_BUILT_IN.
862         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
863         codes.  Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
864         * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define.  Use it to
865         define a string "1".
866         (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
867         * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
868         BUILT_IN_STRCPY): Use it for these functions.
869         * postreload.c (reload_combine): Deal with SETs inside
870         CALL_INSN_FUNCTION_USAGE.
871         * caller-save.c (setup_save_areas, save_call_clobbered_regs):
872         Look for REG_RETURNED notes and use a cheap restore if possible.
873         * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
874         (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
875         * ira-build.c (ira_create_allocno, create_cap_allocno,
876         propagate_allocno_info, propagate_some_info_from_allocno,
877         copy_info_to_removed_store_destination, ira_flattening): Handle it.
878         * ira-lives.c (pseudo_regno_single_word_and_live_p,
879         find_call_crossed_cheap_reg): New static functions.
880         (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
881         and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible.  Also make
882         a REG_RETURNED note in that case.
883         * ira.c (setup_reg_renumber): Change assert to allow cases where
884         allocnos only cross calls for which they are cheap to restore.
885         * ira-costs.c (ira_tune_allocno_costs): Compare
886         ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
887         than 0.
888         * reg-notes.def (REG_RETURNED): New note.
889         * cse.c (cse_insn): Likewise.
890         * sched-deps.c (sched_analyze_insn): Likewise.
891         * expr.c (init_block_move_fn): Set a "fn spec" attribute.
892         * calls.c (decl_return_flags): New static function.
893         (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
894         functions that return one of their arguments.
895         * regcprop.c (struct kill_set_value_data): New.
896         (kill_set_value): Interpret data as a pointer to such a struct.
897         Do nothing if the caller wants the register to be ignored.
898         (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
900 2012-05-14  Richard Guenther  <rguenther@suse.de>
902         PR tree-optimization/53340
903         * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
905 2012-05-14  Richard Guenther  <rguenther@suse.de>
907         * gimplify.c (gimplify_expr): Remove odd code.
909 2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
911         * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
912         into a PLUS_EXPR byte offset.
914         * tree-ssa-pre.c (can_value_number_call): Delete.
915         (compute_avail): Skip all statements with side effects.
916         <GIMPLE_CALL>: Skip calls to internal functions.
918 2012-05-13  Steven Bosscher  <steven@gcc.gnu.org>
920         * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
922 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
924         * common.opt (Wtype-limits): Use EnabledBy.
926 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
928         * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
929         (pushtf splitter): Ditto.
930         (movtf): Ditto.
931         (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
932         (<code>tf2): Enable for TARGET_SSE.
933         (*absnegtf2_sse): Ditto.
934         (copysign<mode>3): Enable TFmode for TARGET_SSE.
935         (copysign<mode>3_const): Ditto.
936         (copysign<mode>3_var): Ditto.
937         * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
938         (*andnottf3): Ditto.  Use V4SFmode for !TARGET_SSE2.
939         (*<code>tf3): Ditto.
940         * config/i386/i386.c (struct builtin_description bdesc_args)
941         <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
942         <IX86_BUILTIN_COPYSIGNQ>: Ditto.
943         (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
944         Emit a normal call if SSE isn't available.
946 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
948         * config/i386/sse.md (<sse>_andnot<mode>3): Handle
949         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
950         (<code><mode>3): Ditto.
951         (*andnot<mode>3): Ditto.
952         (*andnottf3): Ditto.
953         (*<code><mode>3): Ditto.
954         (<code>tf3): Ditto.
956 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
958         * optc-gen.awk: Error instead of warning for conflicting help.
960 2012-05-12  Jason Merrill  <jason@redhat.com>
962         PR debug/53235
963         * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
964         comdat types.
966 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
968         * function.c (requires_stack_frame_p): If the function can throw
969         non-call exceptions, return true if the insn can throw internally.
971 2012-05-12  Paolo Carlini  <paolo.carlini@oracle.com>
973         * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
975 2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
977         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
978         ORDERED and UNORDERED conditions.
980 2012-05-11  Richard Guenther  <rguenther@suse.de>
982         * tree-flow.h (referenced_var_check_and_insert): Remove.
983         (find_new_referenced_vars): Likewise.
984         * tree-dfa.c (referenced_var_check_and_insert): Make static.
985         (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
986         * tree-inline.c (copy_bb): Use find_referenced_vars_in
987         instead of find_new_referenced_vars.
988         * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
990 2012-05-11  Richard Guenther  <rguenther@suse.de>
992         * tree-pass.h (pass_rest_of_compilation,
993         pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
994         Remove.
995         * passes.c (pass_all_optimizations, pass_postreload,
996         pass_all_early_optimizations): Make static.
997         (pass_rest_of_compilation): Likewise.  Make it an RTL_PASS.
998         * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
999         * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
1000         (delete_tree_ssa): Do not call fini_phinodes.
1001         * tree-flow.h (init_phinodes, fini_phinodes): Remove.
1003 2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1005         PR 53063
1006         * doc/options.texi (EnabledBy): Document
1007         * opts.c: Include opts.h and options.h before tm.h.
1008         (finish_options): Do not handle some sub-options here...
1009         (common_handle_option): ... instead call common_handle_option_auto here.
1010         * optc-gen.awk: Handle EnabledBy.
1011         * opth-gen.awk: Declare common_handle_option_auto.
1012         * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
1013         (Wmaybe-uninitialized): Likewise.
1014         (Wunused-but-set-variable): Likewise.
1015         (Wunused-function): Likewise.
1016         (Wunused-label): Likewise.
1017         (Wunused-value): Likewise.
1018         (Wunused-variable): Likewise.
1019         * opt-read.awk: Create opt_numbers array.
1021 2012-05-11  Richard Guenther  <rguenther@suse.de>
1023         PR tree-optimization/53295
1024         * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
1025         strides.
1026         * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
1027         strides when analyzing data-references in a loop context.
1028         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
1029         non-constant strides for now.
1030         (vect_enhance_data_refs_alignment): Ignore data references
1031         that are strided loads.
1032         (vect_analyze_data_ref_access): Handle non-constant strides.
1033         (vect_check_strided_load): Verify the data-reference is a load.
1034         (vect_analyze_data_refs): Restructure to make strided load
1035         support not dependent on gather support.
1036         * tree-vect-stmts.c (vectorizable_load): Avoid useless work
1037         when doing strided or gather loads.
1038         * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
1039         integer_zerop to compare stride with zero.
1041 2012-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1043         * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
1045 2012-05-11  Jan Hubicka  <jh@suse.cz>
1047         PR bootstrap/53300
1048         * varpool.c (varpool_assemble_decl): Also output constat pool entries
1049         that output_constant_pool missed.
1051 2012-05-11  Mingjie Xing  <mingjie.xing@gmail.com>
1053         * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
1054         MULTILIB_EXTRA_OPTS.
1056 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
1058         PR target/53291
1059         * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
1061 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
1063         * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
1064         optimization for TARGET_AVX.
1065         (*movti_internal_sse): Ditto.
1066         (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1067         (*movdi_internal): Ditto.
1068         (*movsi_internal): Ditto.
1069         (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
1070         (*movdf_internal_rex64): Ditto.
1071         (*movfd_internal): Ditto.
1072         (*movsf_internal): Ditto.
1073         * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
1075 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1077         * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
1078         reference as size attribute.
1080 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1081             Tristan Gingold  <gingold@adacore.com>
1083         * doc/md.texi (Standard Names): Document probe_stack_address.
1084         * explow.c (emit_stack_probe): Handle probe_stack_address.
1085         * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
1086         (UNSPECV_PROBE_STACK_RANGE): Likewise.
1087         (probe_stack_address): New insn.
1088         (probe_stack_range): Likewise.
1089         * config/ia64/ia64.c: Include common/common-target.h.
1090         (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
1091         checking is enabled.
1092         (ia64_emit_probe_stack_range): New function.
1093         (output_probe_stack_range): Likewise.
1094         (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
1095         builtin stack checking is enabled.
1096         (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
1097         and UNSPECV_PROBE_STACK_ADDRESS.
1098         (unknown_for_bundling_p): New predicate.
1099         (group_barrier_needed): Use important_for_bundling_p.
1100         (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
1101         (issue_nops_and_insn): Likewise.
1102         (bundling): Likewise.
1103         (final_emit_insn_group_barriers): Likewise.
1104         * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
1105         * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
1106         (STACK_CHECK_PROTECT): Likewise.
1107         * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
1109 2012-05-10  Jan Hubicka  <jh@suse.cz>
1111         * ipa-inline.c (update_all_callee_keys): Remove.
1112         (inline_small_functions): Simplify priority updating.
1114 2012-05-10  Jan Hubicka  <jh@suse.cz>
1116         * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
1118 2012-05-10  Jan Hubicka  <jh@suse.cz>
1120         * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
1121         (symtab_remove_unreachable_nodes): ... this one.
1122         * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
1123         * cgraphunit.c (ipa_passes): Update.
1124         * cgraphclones.c (cgraph_materialize_all_clones): Update.
1125         * cgraph.c (cgraph_release_function_body): Only turn initial
1126         into error mark when initial was previously set.
1127         * ipa-inline.c (ipa_inline): Update.
1128         * ipa.c: Include ipa-inline.h
1129         (enqueue_cgraph_node, enqueue_varpool_node): Remove.
1130         (enqueue_node): New function.
1131         (process_references): Update.
1132         (symtab_remove_unreachable_nodes): Cleanup.
1133         * passes.c (execute_todo, execute_one_pass): Update.
1135 2012-05-10  Vladimir Makarov  <vmakarov@redhat.com>
1137         PR rtl-optimization/53125
1138         * ira.c (ira): Call find_moveable_pseudos and
1139         move_unallocated_pseudos if only ira_conflicts_p is true.
1141 2012-05-10  Uros Bizjak  <ubizjak@gmail.com>
1143         * config/i386/i386.md (*movoi_internal_avx): Handle
1144         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
1145         (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1146         (*movti_internal_sse): Ditto.
1147         (*movtf_internal): Ditto.
1148         * config/i386/sse.md (ssePSmode): New mode attribute.
1149         (*move<mode>_internal): Use ssePSmode.
1150         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
1151         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
1152         * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
1153         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
1155 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1157         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1158         DECL_ORIGINAL_TYPE if it is present.
1160 2012-05-10  Nick Clifton  <nickc@redhat.com>
1162         PR target/53120
1163         * config/m32c/bitops.md (bset_qi): Change operand 2 from having
1164         a "0" constraint to being a (match_dup 0).
1166 2012-05-10  Richard Guenther  <rguenther@suse.de>
1168         * stor-layout.c (byte_from_pos): Amend comment.
1170 2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1172         * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
1173         Document requirement to call in constructors.
1175         * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
1177 2012-05-10  Richard Guenther  <rguenther@suse.de>
1179         * tree.h (TYPE_IS_SIZETYPE): Remove.
1180         * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
1181         (extract_muldiv_1): Likewise.
1182         * gimple.c (gtc_visit): Likewise.
1183         (gimple_types_compatible_p): Likewise.
1184         (iterative_hash_canonical_type): Likewise.
1185         (gimple_canonical_types_compatible_p): Likewise.
1186         * gimplify.c (gimplify_one_sizepos): Likewise.
1187         * print-tree.c (print_node): Likewise.
1188         * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
1190 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
1192         PR target/52908
1193         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1194         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1195         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1196         instead of xop_mulv2div2di3_low.
1197         (xop_p<macs>dql): Fix vec_select selector.
1198         (xop_p<macs>dqh): Ditto.
1199         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1200         (xop_mulv2div2di3_high): Ditto.
1202 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1204         PR c++/53289
1205         * diagnostic.h (diagnostic_context): Add last_location.
1206         * diagnostic.c (diagnostic_initialize): Initialize it.
1207         (diagnostic_show_locus): Use it.
1209 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1211         * doc/extend.texi (Function Attributes): Point xref to section
1212         about Pragmas.
1214 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
1216         * config/i386/i386.c (*movdf_internal_rex64): Remove
1217         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
1218         Calculate "mode" attribute according to
1219         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
1220         (*movdf_internal): Ditto.
1222 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
1224         PR target/44141
1225         * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
1226         128 bit vectors specially for TARGET_AVX.  Emit sse2_movupd and
1227         sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
1228         or when optimizing for size.
1229         * config/i386/sse.md (*mov<mode>_internal): Remove
1230         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
1231         Calculate "mode" attribute according to optimize_function_for_size_p
1232         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
1233         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
1234         depending on the mode of the instruction.  Calculate "mode" attribute
1235         according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
1236         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
1237         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
1239 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1241         PR target/53256
1242         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1243         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1244         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1245         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1246         (expand_prologue): Move initialization of cfun->machine->is_naked,
1247         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1248         (avr_set_current_function): ...this new static function.
1249         (TARGET_SET_CURRENT_FUNCTION): New define.
1250         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1251         checking attributes of current_function_decl.
1252         (avr_regs_to_save): Ditto.
1253         (signal_function_p): Rename to avr_signal_function_p.
1254         (interrupt_function_p): Rename to avr_interrupt_function_p.
1256         * doc/extend.texi (Function Attributes): Better explanation of
1257         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1258         alphabetical order.
1260 2012-05-09  Michael Matz  <matz@suse.de>
1262         PR tree-optimization/53185
1263         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
1264         peeling when we see strided loads.
1266 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1268         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1270 2012-05-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1272         * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
1273         Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
1274         USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
1275         * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
1276         (USE_LOAD_POST_INCREMENT): Define.
1277         (USE_LOAD_PRE_INCREMENT): Define.
1278         (USE_LOAD_POST_DECREMENT): Define.
1279         (USE_LOAD_PRE_DECREMENT): Define.
1280         (USE_STORE_PRE_DECREMENT): Define.
1281         (USE_STORE_PRE_INCREMENT): Define.
1282         (USE_STORE_POST_DECREMENT): Define.
1283         (USE_STORE_POST_INCREMENT): Define.
1284         (arm_auto_incmodes): Add enumeration.
1285         * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
1286         * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
1288 2012-05-09  Jakub Jelinek  <jakub@redhat.com>
1290         PR tree-optimization/53226
1291         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
1292         prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
1293         before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
1294         doesn't need to be revisited, look for earliest stmt with
1295         !gimple_plf (stmt, GF_PLF_1) if something changed.
1297 2012-05-09  Terry Guo  <terry.guo@arm.com>
1299         * genmultilib: Update copyright dates.
1300         * doc/fragments.texi: Ditto.
1302 2012-05-09  Terry Guo  <terry.guo@arm.com>
1304         * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
1305         * genmultilib (MULTILIB_REQUIRED): New.
1306         * doc/fragments.texi: Document the MULTILIB_REQUIRED.
1308 2012-05-09  Richard Guenther  <rguenther@suse.de>
1310         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
1311         (vect_do_peeling_for_loop_bound): Likewise.
1312         (vect_do_peeling_for_alignment): Likewise.
1313         * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
1314         (vect_do_peeling_for_loop_bound): Get check_profitability and
1315         threshold as parameters.
1316         (vect_do_peeling_for_alignment): Likewise.
1317         (vect_loop_versioning): Likewise.
1318         * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
1319         and threshold here.  Control where to put the check here.
1321 2012-05-09  Richard Sandiford  <rdsandiford@googlemail.com>
1323         PR middle-end/53249
1324         * dwarf2out.h (get_address_mode): Move declaration to...
1325         * rtl.h: ...here.
1326         * dwarf2out.c (get_address_mode): Move definition to...
1327         * rtlanal.c: ...here.
1328         * var-tracking.c (get_address_mode): Delete.
1329         * combine.c (find_split_point): Use get_address_mode instead of
1330         targetm.addr_space.address_mode.
1331         * cselib.c (cselib_record_sets): Likewise.
1332         * dse.c (canon_address, record_store): Likewise.
1333         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
1334         * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
1335         (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
1336         (expand_expr_real_1): Likewise.
1337         * ifcvt.c (noce_try_cmove_arith): Likewise.
1338         * optabs.c (maybe_legitimize_operand_same_code): Likewise.
1339         * reload.c (find_reloads): Likewise.
1340         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
1341         * sel-sched-dump.c (debug_mem_addr_value): Likewise.
1343 2012-05-09  Maciej W. Rozycki  <macro@codesourcery.com>
1345         * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
1346         information from the instruction produced.
1348 2012-05-09  Richard Guenther  <rguenther@suse.de>
1350         * stor-layout.c (bit_from_pos): Document.
1351         (byte_from_pos): Likewise.  Optimize.
1352         (pos_from_bit): Likewise.
1353         (normalize_offset): Use pos_from_bit instead of replicating it.
1355 2012-05-09  Alan Modra  <amodra@gmail.com>
1357         PR target/53271
1358         * config/rs6000/rs6000.c (gen_frame_set): New function.
1359         (gen_frame_load, gen_frame_store): New functions.
1360         (rs6000_savres_rtx): Use the above.
1361         (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
1362         Correct mode used for CR2 in save/restore_world patterns.
1363         Don't emit instructions for eh_return frame unwind reg info.
1365 2012-05-08  Jan Hubicka  <jh@suse.cz>
1367         * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
1368         with VALUE_EXPR.
1369         * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
1370         are removable.
1371         * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
1372         need to wrapup.
1373         (compile_file): Do not output variables.
1374         * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
1375         output it.
1376         * langhooks.c: Include timevar.h
1377         (write_global_declarations): Finalize compilation unit after wrapup;
1378         set timevars correctly.
1379         * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
1380         not to be added to varpool.
1381         * varpool.c (varpool_assemble_decl): Sanity check that we are called
1382         only on cases where it makes sense; skip constant pool and value expr
1383         vars.
1385 2012-05-08  David S. Miller  <davem@davemloft.net>
1387         * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
1388         * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
1389         * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
1391 2012-05-08  Richard Sandiford  <rdsandiford@googlemail.com>
1393         PR rtl-optimization/53278
1394         * lower-subreg.c (decompose_multiword_subregs): Remove left-over
1395         speed_p code from earlier patch.
1397 2012-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
1399         PR target/51244
1400         * config/sh/sh.md (*branch_true, *branch_false): New insns.
1402 2012-05-08  Teresa Johnson  <tejohnson@google.com>
1404         * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
1405         * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
1407 2012-05-08  Jan Hubicka  <jh@suse.cz>
1409         * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
1410         (cgraph_create_node_1): Rename to ...
1411         (cgraph_create_empty_node): ... this one; export.
1412         (cgraph_create_node): Update.
1413         (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
1414         (cgraph_create_edge_including_clones): Likewise.
1415         (cgraph_find_replacement_node): Likewise.
1416         (cgraph_clone_edge): Likewise.
1417         (cgraph_clone_node): Likewise.
1418         (clone_function_name): Likewise.
1419         (cgraph_create_virtual_clone): Likewise.
1420         (cgraph_remove_node_and_inline_clones): Likewise.
1421         (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
1422         * cgraph.h: Reorder declarations so they match file of origin.
1423         (cgraph_create_empty_node): Declare.
1424         * cgraphunit.c (update_call_expr): Move to cgraphclones.c
1425         (cgraph_copy_node_for_versioning): Likewise.
1426         (cgraph_function_versioning): Likewise.
1427         (cgraph_materialize_clone): Likewise.
1428         (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
1429         (cgraph_materialize_all_clones): Likewise.
1430         * cgraphclones.c: New file.
1431         * Makefile.in: Update for cgraphclones.
1433 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
1435         PR target/53176
1436         * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
1437         (ix86_rtx_costs): Handle SET.
1439 2012-05-08  Michael Matz  <matz@suse.de>
1441         * basic-block.h (struct rtl_bb_info): Remove visited member and
1442         move head_ member to ...
1443         (struct basic_block_def.basic_block_il_dependent): ... the new
1444         member x, replacing but containing old member rtl.
1445         (enum bb_flags): New BB_VISITED flag.
1446         (BB_HEADER, BB_FOOTER): New macros.
1448         * jump.c (mark_all_labels): Adjust.
1449         * cfgcleanup.c (try_optimize_cfg): Adjust.
1450         * cfglayout.c (record_effective_endpoints): Adjust.
1451         (relink_block_chain): Ditto (and don't fiddle with visited).
1452         (fixup_reorder_chain): Adjust.
1453         (fixup_fallthru_exit_predecessor): Ditto.
1454         (cfg_layout_duplicate_bb): Ditto.
1455         * combine.c (update_cfg_for_uncondjump): Adjust.
1456         * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
1457         (bb_visited_trace): New accessor.
1458         (mark_bb_visited): Move in front.
1459         (rotate_loop): Use bb_visited_trace.
1460         (find_traces_1_round): Ditto.
1461         (emit_barrier_after): Ditto.
1462         (copy_bb): Ditto, and initialize visited on resize.
1463         (reorder_basic_blocks): Initize visited member.
1464         (duplicate_computed_gotos): Clear bb flags at start, use
1465         BB_VISITED flags.
1467         * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
1468         (rtl_verify_flow_info_1): Ditto.
1469         (cfg_layout_split_block): Ditto.
1470         (cfg_layout_delete_block): Ditto.
1471         (cfg_layout_merge_blocks): Ditto.
1472         (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
1474 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1476         PR target/53272
1477         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1478         when a constant source operand matches an "I" constraint, the "no
1479         CC0 change" applies to a register-destination only, not a
1480         strict_low_part-destination.
1482 2012-05-08  Richard Guenther  <rguenther@suse.de>
1484         * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
1485         to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
1487 2012-05-08  Georg-Johann Lay  <avr@gjlay.de>
1489         * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
1491         * doc/avr-mmcu.texi: New auto-generated file.
1492         * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
1493         to document all valid -mmcu= arguments.
1495         * config/avr/avr.h (arch_info_s): New struct definition.
1496         * config/avr/avr-devices.c (avr_texinfo): New variable.
1497         * config/avr/gen-avr-mmcu-texi.c: New file.
1498         * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
1500 2012-05-08  Dehao Chen  <dehao@google.com>
1502         * predict.c (find_qualified_ssa_name): New.
1503         (find_ssa_name_in_expr): New.
1504         (find_ssa_name_in_assign_stmt): New.
1505         (is_comparison_with_loop_invariant_p): New.
1506         (is_bound_expr_similar): New.
1507         (predict_iv_comparison): New.
1508         (predict_loops): Add heuristic for loop-nested branches that compare an
1509         induction variable to a loop bound variable.
1510         * predict.def (PRED_LOOP_IV_COMPARE): New macro.
1512 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
1514         * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
1515         TARGET_BDVER2 defines where appropriate.
1517 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
1519         * configure.ac (PLUGIN_LD): Rename into...
1520         (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
1521         * config.in: Regenerate.
1522         * configure: Likewise.
1523         * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
1525 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
1527         * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
1528         computation using the precision of the index type.
1529         * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
1530         (fold_array_ctor_reference): Do index computations in the index type.
1532 2012-05-07  Georg-Johann Lay  <avr@gjlay.de>
1534         * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
1535         down to plus_constant.
1536         (expand_epilogue): Ditto.
1538 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1540         * postreload.c (reload_cse_regs): Make static.
1541         * reload.h (reload_cse_regs): Remove prototype.
1543 2012-05-07  Richard Henderson  <rth@redhat.com>
1545         * config/alpha/alpha.md (clear_cache): New pattern.
1547 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1549         PR middle-end/53245
1550         * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
1551         is folded to a type boundary value, verify that the resulting case
1552         label is still a care range.
1554 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
1556         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
1557         only for TARGET_GENERIC, when not optimizing for size.
1558         (*ffs<mode>_1): Ditto.
1560 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1562         * tree-cfg.c (verify_gimple_switch): Tighten checks.
1564 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1566         PR tree-optimization/53239
1567         * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
1568         of DECL_BY_REFERENCE RESULT_DECL to nonnull.
1570 2012-05-07  Richard Guenther  <rguenther@suse.de>
1572         PR tree-optimization/53195
1573         * tree-inline.c (setup_one_parameter): Properly add referenced
1574         vars from the parameters new known value.
1576 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1578         * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
1579         (sched_branch_type): Remove.
1580         (m68k_sched_md_init_global): Don't allocate it.
1581         (m68k_sched_md_finish_global): Don't free it.
1582         * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
1583         * config/m68k/m68k.md: Set the type of insns using
1584         m68k_sched_branch_type to bcc directly.
1586 2012-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1588         * config/sol2.c (solaris_override_options): New function.
1589         * config/sol2-protos.h (solaris_override_options): Declare.
1590         * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1592 2012-05-07  Richard Guenther  <rguenther@suse.de>
1594         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
1595         whether we failed to compute data dependences.
1596         (loop_prefetch_arrays): Fail if we failed.
1598 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
1599             Paolo Bonzini  <bonzini@gnu.org>
1601         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
1602         Emit bsf when optimizing for size.
1603         (*ffs<mode>_1): Ditto.
1605 2012-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
1607         PR target/53250
1608         * config/sh/sh.c (sh_rtx_costs): Handle SET.
1610 2012-05-06  Uros Bizjak  <ubizjak@gmail.com>
1612         PR target/53227
1613         * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
1614         (bswapdi2): Split from bswap<mode>2.  Use nonnimediate_operand
1615         predicate for operand 1.  Force operand 1 to register for TARGET_BSWAP.
1616         (bswapsi2): Ditto.
1617         (*bswapdi2_doubleword): New insn pattern.
1618         (*bswap<mode>2): Rename from *bswap<mode>2_1.
1620 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
1622         * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
1623         (mips_set_reg_reg_cost): Likewise.
1624         (mips_rtx_costs): Handle SET.
1626 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
1628         * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
1629         (compute_costs): Likewise for the zero extension.  Use set_rtx_cost
1630         to compute the cost of moves.  Set the mode of the target register.
1632 2012-05-05  Richard Sandiford  <rdsandiford@googlemail.com>
1634         * rtl.h (plus_constant, plus_constant_mode): Merge into a single
1635         plus_constant function.
1636         * explow.c (plus_constant, plus_constant_mode): Likewise.  Assert
1637         that the mode is sensible.
1638         (use_anchored_address, round_push, allocate_dynamic_stack_space)
1639         (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
1640         plus_constant.
1642         * alias.c (canon_rtx): Likewise.
1643         (init_alias_analysis): Likewise.
1644         * builtins.c (expand_builtin_return_addr)
1645         (expand_builtin_setjmp_setup, expand_builtin_longjmp)
1646         (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
1647         (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
1648         (expand_builtin_stpcpy): Likewise.
1649         * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
1650         (compute_argument_addresses, internal_arg_pointer_based_exp)
1651         (expand_call, emit_library_call_value_1): Likewise.
1652         * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
1653         * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
1654         * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
1655         * cse.c (insert_const_anchor, find_reg_offset_for_const)
1656         (use_related_value, fold_rtx): Likewise.
1657         * cselib.c (cselib_subst_to_values): Likewise.
1658         * dse.c (record_store, check_mem_read_rtx): Likewise.
1659         * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
1660         * emit-rtl.c (adjust_address_1): Likewise.
1661         * except.c (sjlj_emit_function_enter)
1662         (expand_builtin_extract_return_addr)
1663         (expand_builtin_frob_return_addr): Likewise.
1664         * expmed.c (expand_divmod): Likewise.
1665         * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
1666         (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
1667         (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
1668         * function.c (assign_stack_local_1)
1669         (instantiate_virtual_regs_in_rtx): Likewise.
1670         * optabs.c (prepare_cmp_insn): Likewise.
1671         * recog.c (offsettable_address_addr_space_p): Likewise.
1672         * reload.c (find_reloads_address, form_sum)
1673         (find_reloads_subreg_address): Likewise.
1674         * reload1.c (init_reload, eliminate_regs_1)
1675         (eliminate_regs_in_insn): Likewise.
1676         * simplify-rtx.c (simplify_unary_operation_1)
1677         (simplify_binary_operation_1, simplify_plus_minus): Likewise.
1678         * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
1679         (vt_add_function_parameter): Likewise.
1681         * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
1682         * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
1683         * config/alpha/alpha.c (alpha_legitimize_address_1)
1684         (get_unaligned_address, alpha_expand_unaligned_load)
1685         (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
1686         (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
1687         (alpha_expand_builtin_establish_vms_condition_handler)
1688         (alpha_setup_incoming_varargs, emit_frame_store_1)
1689         (alpha_expand_prologue, alpha_expand_epilogue)
1690         (alpha_use_linkage): Likewise.
1691         * config/alpha/alpha.md: Likewise.
1693         * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
1694         (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
1695         (thumb_legitimize_address, arm_gen_load_multiple_1)
1696         (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
1697         (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
1698         (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
1699         (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
1700         (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
1701         (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
1702         (thumb_expand_movmemqi, arm_set_return_address)
1703         (thumb_set_return_address): Likewise.
1704         * config/arm/arm.md: Likewise.
1706         * config/avr/avr.c (avr_incoming_return_addr_rtx)
1707         (avr_prologue_setup_frame, expand_epilogue)
1708         (avr_const_address_lo16): Likewise.
1710         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
1711         * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
1712         (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
1713         (bfin_output_mi_thunk): Likewise.
1715         * config/c6x/c6x.c (c6x_initialize_trampoline)
1716         (c6x_output_mi_thunk): Likewise.
1718         * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
1719         * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
1721         * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
1722         (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
1723         (cris_emit_movem_store, cris_trampoline_init): Likewise.
1724         * config/cris/cris.md: Likewise.
1726         * config/darwin.c (machopic_indirect_data_reference)
1727         (machopic_legitimize_pic_address): Likewise.
1729         * config/epiphany/epiphany.c (epiphany_emit_save_restore)
1730         (epiphany_expand_prologue, epiphany_expand_epilogue)
1731         (epiphany_trampoline_init): Likewise.
1732         * config/epiphany/epiphany.md: Likewise.
1734         * config/fr30/fr30.c (fr30_move_double): Likewise.
1736         * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
1737         (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
1738         (frv_index_memory, unspec_got_name, frv_find_base_term)
1739         (frv_output_dwarf_dtprel): Likewise.
1741         * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
1742         (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
1744         * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
1745         * config/i386/i386.c (setup_incoming_varargs_64)
1746         (setup_incoming_varargs_ms_64, choose_baseaddr)
1747         (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
1748         (ix86_emit_probe_stack_range, ix86_expand_prologue)
1749         (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
1750         (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
1751         (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
1752         (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
1753         (x86_output_mi_thunk): Likewise.
1754         * config/i386/i386.md: Likewise.
1756         * config/ia64/ia64.c (ia64_expand_load_address)
1757         (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
1758         (do_spill, ia64_trampoline_init): Likewise.
1760         * config/iq2000/iq2000.c (iq2000_va_start)
1761         (iq2000_emit_frame_related_store, iq2000_expand_prologue)
1762         (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
1763         (iq2000_print_operand, iq2000_legitimize_address): Likewise.
1765         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
1767         * config/m32c/m32c.c (m32c_return_addr_rtx)
1768         (m32c_expand_insv): Likewise.
1770         * config/m32r/m32r.c (m32r_setup_incoming_varargs)
1771         (m32r_legitimize_pic_address, m32r_print_operand)
1772         (m32r_print_operand_address): Likewise.
1774         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
1775         * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
1776         (EH_RETURN_HANDLER_RTX): Likewise.
1777         * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
1778         (m68k_expand_epilogue, legitimize_pic_address)
1779         (m68k_output_mi_thunk): Likewise.
1780         * config/m68k/m68k.md: Likewise.
1782         * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
1783         (mcore_expand_epilog): Likewise.
1784         * config/mcore/mcore.md: Likewise.
1786         * config/mep/mep.c (mep_allocate_initial_value)
1787         (mep_expand_prologue, mep_expand_epilogue): Likewise.
1789         * config/microblaze/microblaze.c (double_memory_operand)
1790         (microblaze_block_move_loop): Likewise.
1792         * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
1793         (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
1794         (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
1795         (mips_expand_prologue, mips_epilogue_set_cfa)
1796         (mips_expand_epilogue): Likewise.
1797         * config/mips/mips.md: Likewise.
1799         * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
1800         (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
1802         * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
1803         (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
1805         * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
1806         (EH_RETURN_HANDLER_RTX): Likewise.
1807         * config/moxie/moxie.c (moxie_static_chain): Likewise.
1809         * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
1810         (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
1811         (pa_return_addr_rtx, hppa_builtin_saveregs)
1812         (pa_trampoline_init): Likewise.
1813         * config/pa/pa.md: Likewise.
1815         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
1817         * config/picochip/picochip.c (picochip_static_chain): Likewise.
1819         * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
1820         * config/rs6000/rs6000.c (rs6000_legitimize_address)
1821         (setup_incoming_varargs, print_operand, rs6000_return_addr)
1822         (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
1823         (rs6000_emit_epilogue)
1824         (rs6000_machopic_legitimize_pic_address): Likewise.
1826         * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
1828         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
1829         (DYNAMIC_CHAIN_ADDRESS): Likewise.
1830         * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
1831         (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
1832         (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
1833         (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
1834         (s390_emit_epilogue, s390_function_profiler): Likewise.
1835         * config/s390/s390.md: Likewise.
1837         * config/score/score.c (score_add_offset, score_prologue): Likewise.
1839         * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
1840         (sh_output_mi_thunk): Likewise.
1841         * config/sh/sh.md: Likewise.
1843         * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
1844         (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
1845         * config/sparc/sparc.c (sparc_legitimize_pic_address)
1846         (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
1847         (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
1848         (emit_and_preserve): Likewise.
1849         * config/sparc/sparc.md: Likewise.
1851         * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1852         * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
1853         (spu_setup_incoming_varargs, ea_load_store_inline)
1854         (spu_expand_load): Likewise.
1856         * config/stormy16/stormy16.c (xstormy16_expand_prologue)
1857         (combine_bnp): Likewise.
1859         * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1860         * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
1861         (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
1863         * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1864         * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
1865         (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
1867         * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
1868         * config/v850/v850.md: Likewise.
1870         * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
1871         (EH_RETURN_HANDLER_RTX): Likewise.
1872         * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
1873         * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
1874         (print_operand_address, vax_trampoline_init): Likewise.
1876         * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
1877         (xtensa_function_value_regno_p): Likewise.
1879 2012-05-04  Andrew Pinski  <apinski@cavium.com>
1881         * expr.c (get_def_for_expr_class): New function.
1882         (convert_tree_comp_to_rtx): New function.
1883         (expand_cond_expr_using_cmove): New function.
1884         (expand_expr_real_2 <case COND_EXPR>): Call
1885         expand_cond_expr_using_cmove first and return if it succeeds.
1886         Remove the check for HAVE_conditional_move since we should have
1887         already converted it to a conditional move.
1888         * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
1889         modes of DImode for 32bits and TImode.
1891 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
1893         PR other/29442
1894         * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
1895         (print_md_ptr_loc, print_c_condition): Use them.
1896         * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
1897         * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
1898         attr_file, dfa_file, latency_file): New global variables.
1899         (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
1900         write_upcase, write_indent, write_length_unit_log, write_test_expr,
1901         write_attr_get, write_insn_cases, write_eligible_delay,
1902         write_const_num_delay_slots): Accept FILE pointer and toss it around.
1903         Update all callers.
1904         (write_header, open_outfile, handle_arg): New funcions.
1905         (make_automaton_attrs): Write prototypes as extern to the output
1906         files.
1907         (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
1908         names from the command line.  Open the output files and write out
1909         internal functions for DFA functions to dfa_file_name, insn latency
1910         functions to latency_file_name, and everything else to attr_file.
1911         * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
1912         (BACKEND): Build libbackend first.
1913         (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
1914         (.PRECIOUS): Likewise.
1915         (insn-dfatab.o): New rule.
1916         (insn-latencytab.o): New rule.
1917         (simple_rtl_generated_c): Do not include insn-attrtab.c.
1918         (s-attrtab): New rule.
1920 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
1922         * rtl.def (ATTR_FLAG): Remove probability indicating flags.
1923         * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
1924         ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
1925         * reorg.c (get_jump_flags): Do not set the removed flags.
1927         * doc/md.texi (attr_flag): Update for abovementioned changes.
1929 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1931         PR target/53228
1932         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1933         (TARGET_CMOV): Rename from TARGET_CMOVE.
1934         (TARGET_CMOVE): New define.
1935         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1936         Do not set TARGET_CMOVE here.
1938 2012-05-04  Dodji Seketeli  <dodji@redhat.com>
1940         Enable -Wunused-local-typedefs when -Wall or -Wunused is on
1941         * opts.c (finish_options): Activate -Wunused-local-typedefs if
1942         -Wunused is activated.
1943         * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
1945 2012-05-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1947         * config/s390/s390.md (*movmem_short, *clrmem_short)
1948         (*cmpmem_short): Move the mode check from the insn condition to
1949         the match_scratch.
1951 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1953         PR tree-optimization/52633
1954         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1955         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1956         (vect_recog_over_widening_pattern): Remove handling of code that was
1957         already detected as over-widening pattern.  Remove special handling
1958         of "unsigned" cases.  Instead, support general case of conversion
1959         of the shift result to another type.
1961 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1963         * tree-vect-patterns.c (vect_single_imm_use): New function.
1964         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1965         (vect_recog_over_widening_pattern): Likewise.
1966         (vect_recog_widen_shift_pattern): Likewise.
1968 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1970         * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
1971         (vect_handle_widen_op_by_const): Use it instead of open-coding test.
1972         (vect_recog_widen_mult_pattern): Likewise.
1973         (vect_operation_fits_smaller_type): Likewise.
1974         (vect_recog_over_widening_pattern): Likewise.
1975         (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
1977 2012-05-04  Richard Guenther  <rguenther@suse.de>
1979         PR lto/50602
1980         * lto-wrapper.c (merge_and_complain): Complain about mismatches
1981         of -freg-struct-return and -fpcc-struct-return.
1982         (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
1983         from the input file options and ignore those from the link
1984         command line.
1986 2012-05-04  Richard Guenther  <rguenther@suse.de>
1988         PR tree-optimization/53168
1989         * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
1990         memory reads when the result is a constant we can pun.
1992 2012-05-04  Richard Guenther  <rguenther@suse.de>
1994         * common.opt (flto-report): Do not mark as Optimization.
1996 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1998         PR target/48496
1999         * recog.c (constrain_operands): If extra constraints are present, also
2000         accept pseudo-registers with equivalent memory locations during reload.
2002 2012-05-04  Olivier Hainque  <hainque@adacore.com>
2004         * collect2.c (may_unlink_output_file): New global.
2005         (maybe_unlink): Honor it.
2006         * collect2.h: Add extern for it.
2007         * tlink.c (do_tlink): Set it to true if the link succeeded.
2009 2012-05-04  Olivier Hainque  <hainque@adacore.com>
2011         * gcc.c (eval_spec_function): Finalize/restore the current string
2012         obstack state as part of the context push/pop operations.
2014 2012-05-04  Bin Cheng  <bin.cheng@arm.com>
2016         PR rtl-optimization/52804
2017         * reload1.c (reload_reg_reaches_end_p): Check whether successor
2018         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
2019         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
2020         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
2021         RELOAD_FOR_OUTADDR_ADDRESS.
2023 2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2025         PR c++/24985
2026         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
2027         for macro expansion.
2029 2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2031         * flags.h (flag_permissive): Do not declare.
2032         * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
2033         option specially.
2034         * toplev.c (flag_permissive): Do not define.
2035         * c-tree.h (system_header_p): Delete unused.
2037 2012-05-03  David S. Miller  <davem@davemloft.net>
2039         PR target/52684
2040         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2041         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2042         (sparc_emit_float_lib_cmp): Likewise.
2044 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
2046         PR target/53199
2047         * config/rs6000/rs6000.md (bswapdi splitters): If
2048         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2049         default) is used, generate an alternate sequence that does not
2050         depend on using indexed addressing.
2052 2012-05-03  Jason Merrill  <jason@redhat.com>
2054         * gengtype.c (write_types): Fix warning message.
2055         (write_local): Likewise.
2057 2012-05-02  Jason Merrill  <jason@redhat.com>
2059         * dwarf2out.c (struct external_ref, build_local_stub): New.
2060         (hash_external_ref, external_ref_eq, lookup_external_ref): New.
2061         (optimize_external_refs, optimize_external_refs_1): New.
2062         (change_AT_die_ref): New.
2063         (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
2064         (build_abbrev_table): Take the external refs hashtable.
2065         (output_comp_unit): Get it from optimize_external_refs and pass it in.
2067 2012-05-03  Jan Hubicka  <jh@suse.cz>
2069         PR middle-end/53093
2070         * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
2072 2012-05-03  Jan Hubicka  <jh@suse.cz>
2074         PR middle-end/53106
2075         * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
2077 2012-05-03  Jason Merrill  <jason@redhat.com>
2079         * dwarf2out.c (die_struct): Add comdat_type_p flag.  Use it instead of
2080         use_debug_types to discriminate the die_id union.
2081         (print_die, assign_symbol_names, copy_decls_walk): Likewise.
2082         (build_abbrev_table, output_die): Likewise.
2083         (prune_unused_types_walk_attribs): Likewise.
2084         (generate_type_signature, copy_declaration_context): Set it.
2085         (remove_child_or_replace_with_skeleton): Set it.
2086         (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
2087         check use_debug_types.
2088         (dwarf2out_finish): Do break_out_includes after .debug_types.
2090 2012-05-03  Jason Merrill  <jason@redhat.com>
2092         * dwarf2out.c (modified_type_die): Use scope_die_for.
2093         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
2094         (uses_local_type_r, uses_local_type): New.
2095         (scope_die_for): Keep a type that uses a local type in local scope.
2096         Use get_context_die for namespace and type scope.
2098 2012-05-03  Jason Merrill  <jason@redhat.com>
2100         * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
2101         pc thunk.
2102         * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
2103         (dwarf2out_finish): Likewise.
2105 2012-05-03  Martin Jambor  <mjambor@suse.cz>
2107         * builtins.c (get_object_alignment_1): Return whether we can determine
2108         the alignment or conservatively assume byte alignment.  Return the
2109         alignment by reference.  Use get_pointer_alignment_1 for dereference
2110         alignment.
2111         (get_pointer_alignment_1): Return whether we can determine the
2112         alignment or conservatively assume byte alignment.  Return the
2113         alignment by reference.  Use get_ptr_info_alignment to get SSA name
2114         alignment.
2115         (get_object_alignment): Update call to get_object_alignment_1.
2116         (get_object_or_type_alignment): Likewise, fall back to type alignment
2117         only when it returned false.
2118         (get_pointer_alignment): Update call to get_pointer_alignment_1.
2119         * fold-const.c (get_pointer_modulus_and_residue): Update call to
2120         get_object_alignment_1.
2121         * ipa-prop.c (ipa_modify_call_arguments): Update call to
2122         get_pointer_alignment_1.
2123         * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
2124         of MEM_REF or TARGET_MEM_REF only when it returns false.
2125         * tree-ssa-ccp.c (get_value_from_alignment): Update call to
2126         get_object_alignment_1.
2127         (ccp_finalize): Use set_ptr_info_alignment.
2128         * tree.h (get_object_alignment_1): Update declaration.
2129         (get_pointer_alignment_1): Likewise.
2130         * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
2131         (dump_gimple_stmt): Likewise.
2132         * tree-flow.h (ptr_info_def): Updated comments of fields align and
2133         misalign.
2134         (get_ptr_info_alignment): Declared.
2135         (mark_ptr_info_alignment_unknown): Likewise.
2136         (set_ptr_info_alignment): Likewise.
2137         (adjust_ptr_info_misalignment): Likewise.
2138         * tree-ssa-address.c (copy_ref_info): Use new access functions to get
2139         and set alignment of SSA names.
2140         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
2141         mark_ptr_info_alignment_unknown.
2142         * tree-ssanames.c (get_ptr_info_alignment): New function.
2143         (mark_ptr_info_alignment_unknown): Likewise.
2144         (set_ptr_info_alignment): Likewise.
2145         (adjust_ptr_info_misalignment): Likewise.
2146         (get_ptr_info): Call mark_ptr_info_alignment_unknown.
2147         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
2148         Likewise.
2149         (bump_vector_ptr): Likewise.
2150         * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
2151         (vectorizable_store): Likewise.
2152         (vectorizable_load): Likewise.
2154 2012-05-03  Michael Matz  <matz@suse.de>
2156         * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
2157         in front of basic_block_def.
2158         (struct basic_block_def): Make il.gimple the full struct, not a
2159         pointer.
2160         (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
2162         * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
2163         * gimple-iterator.c (gimple_stmt_iterator): Don't special case
2164         NULL il.gimple, which can't happen anymore.
2165         * gimple.h (bb_seq): il.gimple can't be NULL.
2166         (bb_seq_add): Ditto.
2167         (set_bb_seq): Adjust.
2168         (gsi_start_bb, gsi_last_bb): Tidy.
2169         * lto-streamer-in.c (make_new_block): Don't zero members that
2170         are zeroed already, don't allocate a gimple_bb_info.
2171         * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
2172         (remove_bb): Clear all il.gimple members.
2173         (gimple_verify_flow_info): Adjust for flat il.gimple.
2174         * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
2176         * coretypes.h (const_gimple_seq): Remove typedef.
2177         * gimple.h (gimple_seq_first): Take gimple_seq.
2178         (gimple_seq_first_stmt): Ditto.
2179         (gimple_seq_last): Ditto.
2180         (gimple_seq_last_stmt): Ditto.
2181         (gimple_seq_empty_p): Ditto.
2183 2012-05-03  Richard Guenther  <rguenther@suse.de>
2185         * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
2186         operations.
2187         (prune_clobbered_mems): Do it here.  Do not uselessly sort expressions.
2188         (compute_avail): Do not add possibly trapping operations to
2189         EXP_GEN if they might not be executed in the block.
2191 2012-05-03  Uros Bizjak  <ubizjak@gmail.com>
2193         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
2195 2012-05-03  Steven Bosscher  <steven@gcc.gnu.org>
2197         * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
2198         information as early as possible.  Update dominance info instead of
2199         discarding it.
2201 2012-05-03  Richard Guenther  <rguenther@suse.de>
2203         * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
2204         (union_contains_value): Remove.
2205         (vro_valid_in_sets): Likewise.
2206         (op_valid_in_sets): New function.
2207         (valid_in_sets): Use op_valid_in_sets.
2208         (insert_into_preds_of_block): Move dumping ...
2209         (do_regular_insertion): ... here.
2210         (do_partial_partial_insertion): ... and here.  Dump that
2211         we've found a partial partial redundancy.
2212         (insert): Dump the current insert iteration.
2214 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
2216         PR plugins/53126
2217         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2218         append program name to it and pass that as first argument
2219         to make_relative_prefix.  Always pass standard_libexec_prefix
2220         as last argument to make_relative_prefix.  If
2221         make_relative_prefix returns NULL, fall back to
2222         standard_libexec_prefix.
2224         PR debug/53174
2225         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2226         removed.
2228         PR target/53187
2229         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2230         mode, return that mode.
2232         PR target/53194
2233         * config/i386/i386-c.c (ix86_target_macros_internal): Don't
2234         define __ATOMIC_HLE_* macros here.
2235         (ix86_target_macros): But here, using cpp_define_formatted.
2237 2012-05-03  Richard Guenther  <rguenther@suse.de>
2239         PR tree-optimization/53144
2240         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2241         Rename to ...
2242         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
2243         with SSA name values.
2244         (vn_reference_lookup_3): Adjust callers.
2246 2012-05-03  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
2248         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
2249         has_fma4 for AMD processors with both fma3 and fma4 support.
2251 2012-05-03  Kirill Yukhin  <kirill.yukhin@intel.com>
2253         PR target/53201
2254         * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
2255         "-mno-hle".
2257 2012-05-03  Michael Matz  <matz@suse.de>
2259         PR bootstrap/53197
2260         * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
2261         (dse_enter_block): Properly iterate the whole sequence even
2262         if the last statement was removed.
2264 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2266         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
2267         unset flag_jump_tables.
2268         * stmt.c (expand_case): Remove special flag_pic case conditional
2269         on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
2271 2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
2273         * common/config/s390/s390-common.c (s390_option_optimization_table):
2274         Enable -fsched-pressure using -fsched-pressure-algorithm=model by
2275         default when optimizing.
2277 2012-05-02  Martin Jambor  <mjambor@suse.cz>
2279         PR lto/52605
2280         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2281         of a variable when the contect is a function.
2283 2012-05-02  Michael Matz  <matz@suse.de>
2285         * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
2286         * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
2287         (const_gimple_seq_node): Remove.
2288         (gimple_seq_node): Typedef as gimple.
2289         (struct gimple_statement_base): Add next and prev members,
2290         adjust all WORD markers in using structs.
2291         (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
2292         (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
2293         gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
2294         gimple are the same.
2295         (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
2296         gimple_seq, adjust.
2297         (gimple_init_singleton): New function.
2298         (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
2299         (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
2300         (gsi_stmt): Adjust.
2301         (gsi_stmt_ptr): Remove.
2302         (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
2304         * gimple-iterator.c (update_bb_for_stmts): Take last parameter
2305         again, adjust for above changes.
2306         (update_call_edge_frequencies): Adjust for above changes.
2307         (gsi_insert_seq_nodes_before): Rewrite for new data structure.
2308         (gsi_insert_seq_nodes_after): Ditto.
2309         (gsi_split_seq_after): Ditto.
2310         (gsi_set_stmt): Ditto.
2311         (gsi_split_seq_before): Ditto.
2312         (gsi_remove): Ditto.
2313         (gsi_insert_seq_before_without_update): Don't free sequence.
2314         (gsi_insert_seq_after_without_update): Ditto.
2315         (gsi_replace): Assert some more invariants.
2316         (gsi_insert_before_without_update, gsi_insert_after_without_update):
2317         Tidy.
2318         (gsi_for_stmt): Don't search for stmt.
2319         (gsi_insert_on_edge_immediate): Tidy.
2321         * gimple.c (gimple_alloc_k): Remove "sequences".
2322         (gimple_seq_cache): Remove.
2323         (gimple_alloc_stat): Make stmt a singleton sequence.
2324         (gimple_seq_alloc, gimple_seq_free): Remove.
2325         (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
2326         (gimple_copy): Ditto.
2327         * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
2328         create iterator from correct sequence.
2329         * tree-phinodes.c (make_phi_node): Make stmt a singleton.
2331 2012-05-02  Michael Matz  <matz@suse.de>
2333         * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
2334         gimple_seq.
2335         (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
2336         sequence, lazily allocate it.
2337         (bb_seq_addr): New function.
2338         (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
2339         (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
2340         (gsi_none): New function.
2341         (gsi_start_bb): Adjust.
2342         (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
2343         (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
2344         (gsi_last_bb): Adjust.
2345         (gsi_seq): Adjust.
2346         * tree-flow-inline.h (phi_nodes_ptr): New function.
2348         * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
2349         datastructure and interface change.
2350         (gsi_insert_seq_before_without_update): Ditto.
2351         (gsi_insert_seq_nodes_after): Ditto.
2352         (gsi_insert_seq_after_without_update): Ditto.
2353         (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
2354         (gsi_split_seq_before): Ditto.
2355         (gsi_start_phis): Adjust.
2356         * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
2357         (vect_transform_loop): Ditto.
2358         * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
2359         gimple_seq_copy): Don't use gimple_seq_alloc.
2360         * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
2361         (gimplify_seq_add_seq): Ditto.
2362         * lto-streamer-in.c (make_new_block): Ditto.
2363         * tree-cfg.c (create_bb): Ditto.
2364         * tree-sra.c (initialize_parameter_reductions): Ditto.
2366 2012-05-02  Michael Matz  <matz@suse.de>
2368         * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
2369         gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
2370         gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
2371         set_bb_seq): Move down to after gimple_statement_d definition.
2373 2012-05-02  Michael Matz  <matz@suse.de>
2375         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
2376         gsi_replace_with_seq, instead of inserting itself.
2377         * gimple-iterator.c (gsi_replace_with_seq): New function.
2378         * tree-ssa-forwprop.c (forward_propagate_comparison): Take
2379         iterator instead of statement, advance it.
2380         (ssa_forward_propagate_and_combine): Adjust call to above.
2382 2012-05-02  Michael Matz  <matz@suse.de>
2384         * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
2385         gimple_seq_alloc.
2386         * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
2387         * tree-nested.c (walk_gimple_omp_for): Ditto.
2388         * trans-mem.c (lower_transaction): Ditto.
2389         * tree-eh.c (do_return_redirection): Ditto.
2390         (do_goto_redirection): Ditto.
2391         (lower_try_finally_switch): Ditto.
2392         * gimplify.c (gimplify_stmt): Ditto.
2393         (gimplify_scan_omp_clauses): Ditto.
2394         (gimplify_omp_for): Ditto.
2395         (gimplify_function_tree): Ditto.
2396         * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
2397         * tree-mudflap.c (mf_decl_cache_locals): Ditto.
2398         (mf_build_check_statement_for): Ditto.
2399         (mx_register_decls): Ditto.
2400         * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
2401         and don't use itertors to append.
2402         (insert_stmts): Ditto.
2403         (insert_out_of_ssa_copy): Ditto.
2404         (insert_out_of_ssa_copy_on_edge): Ditto.
2406 2012-05-02  Michael Matz  <matz@suse.de>
2408         * gimple.h (gimple_bind_body_ptr): New function.
2409         (gimple_bind_body): Use it.
2410         (gimple_catch_handler): Use gimple_catch_handler_ptr.
2411         (gimple_eh_filter_failure_ptr): New function.
2412         (gimple_eh_filter_failure): Use it.
2413         (gimple_eh_else_n_body_ptr): New function.
2414         (gimple_eh_else_n_body): Use it.
2415         (gimple_eh_else_e_body_ptr): New function.
2416         (gimple_eh_else_e_body): Use it.
2417         (gimple_try_eval_ptr): New function.
2418         (gimple_try_eval): Use it.
2419         (gimple_try_cleanup_ptr): New function.
2420         (gimple_try_cleanup): Use it.
2421         (gimple_wce_cleanup_ptr): New function.
2422         (gimple_wce_cleanup): Use it.
2423         (gimple_omp_body_ptr): New function.
2424         (gimple_omp_body): Use it.
2425         (gimple_omp_for_pre_body_ptr): New function.
2426         (gimple_omp_for_pre_body): Use it.
2427         (gimple_transaction_body_ptr): New function.
2428         (gimple_transaction_body): Use it.
2429         (gsi_split_seq_before): Adjust to return nothing and take pointer
2430         to sequence.
2431         (gsi_set_stmt): Declare.
2432         (gsi_replace_with_seq): Declare.
2433         (walk_gimple_seq_mod): Declare.
2434         * function.h (struct function <gimple_body>): Use typedef gimple_seq.
2436         * gimple-iterator.c (gsi_set_stmt): New function.
2437         (gsi_split_seq_before): Return new sequence via pointer argument.
2438         (gsi_replace): Use gsi_set_stmt.
2440         * tree-ssa-loop-im.c (move_computations_stmt): First remove
2441         then insert stmt.
2442         * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
2443         * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
2444         return new stmt.
2445         (reserve_phi_args_for_new_edge): Change call to above,
2446         use gsi_set_stmt.
2448         * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
2449         (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
2450         iterators.  Adjust call to lower_omp.
2451         (lower_lastprivate_clauses): Adjust call to lower_omp.
2452         (lower_reduction_clauses): Ditto.
2453         (expand_omp_taskreg): Nullify non-cfg body of child_fn.
2454         (lower_omp_sections): Don't explicitely count sequence length,
2455         nullify lowered bodies earlier, ensure stmts are part of only
2456         one sequence, adjust call to lower_omp.
2457         (lower_omp_single): Ensure stmts are part of only one sequence,
2458         adjust call to lower_omp.
2459         (lower_omp_master): Ditto.
2460         (lower_omp_ordered): Ditto.
2461         (lower_omp_critical): Ditto.
2462         (lower_omp_for): Ditto.
2463         (lower_omp_taskreg): Ditto, tidy.
2464         (lower_omp_1): Adjust calls to lower_omp.
2465         (execute_lower_omp): Ditto.
2466         (lower_omp): Adjust to take pointer to sequence.
2467         (diagnose_sb_2): Use walk_gimple_seq_mod.
2468         (diagnose_omp_structured_block_errors): Ditto and set possibly
2469         changed function body.
2470         * gimple-low.c (lower_function_body): Set function body after
2471         it stabilizes.
2472         (lower_sequence): Adjust to take pointer to sequence.
2473         (lower_omp_directive): Ensure stmt isn't put twice into the
2474         sequence, adjust call to lower_sequence.
2475         (lower_stmt): Adjust calls to lower_sequence.
2476         (lower_gimple_bind): Ditto.
2477         (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
2478         * tree-nested.c (walk_body): Take pointer to sequence, use
2479         walk_gimple_seq_mod.
2480         (walk_function): Adjust call to walk_body, set possibly changed body.
2481         (walk_gimple_omp_for): Adjust calls to walk_body.
2482         (convert_nonlocal_omp_clauses): Ditto.
2483         (convert_nonlocal_reference_stmt): Ditto.
2484         (convert_local_omp_clauses): Ditto.
2485         (convert_local_reference_stmt): Ditto.
2486         (convert_tramp_reference_stmt): Ditto.
2487         (convert_gimple_call): Ditto.
2488         (convert_nl_goto_reference): Use local iterator copy.
2489         * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
2490         but taking pointer to sequence, ensure gsi_start is called with
2491         callers lvalue.
2492         (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
2493         asserting that the sequence head didn't change.
2494         (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
2495         walk_gimple_seq_mod.
2496         * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
2497         (execute_lower_tm): Ditto, and set possibly changed body.
2498         * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
2499         call gsi_start with that lvalue.
2500         (replace_goto_queue_stmt_list): Ditto.
2501         (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
2502         (replace_goto_queue): Ditto.
2503         (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
2504         (lower_try_finally_onedest): Ditto.
2505         (lower_try_finally_copy): Ditto.
2506         (lower_try_finally_switch): Ditto.
2507         (lower_try_finally): Ditto.
2508         (lower_eh_filter): Ditto.
2509         (lower_eh_must_not_throw): Ditto.
2510         (lower_cleanup): Ditto.
2511         (lower_eh_constructs_2): Ditto.
2512         (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
2513         (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
2514         set possibly changed body.
2515         (optimize_double_finally): Call gsi_start with lvalue.
2517         * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
2518         (gimple_split_block): Ditto.
2519         (gimple_merge_blocks): Use gsi_start_phis.
2520         (move_stmt_r): Use walk_gimple_seq_mod.
2521         * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
2522         * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
2523         (rebuild_cgraph_edges): Ditto.
2524         (cgraph_rebuild_references): Ditto.
2525         * ipa-prop.c (ipa_analyze_params_uses): Ditto.
2526         * tree-inline.c (copy_phis_for_bb): Ditto.
2527         * tree-ssa-dce.c: Ditto.
2529         * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
2531 2012-05-02  Kirill Yukhin  <kirill.yukhin@intel.com>
2532             Andi Kleen <ak@linux.intel.com>
2534         * coretypes.h (MEMMODEL_MASK): New.
2535         * builtins.c (get_memmodel): Add val. Call target.memmodel_check
2536         and return new variable.
2537         (expand_builtin_atomic_exchange):  Mask memmodel values.
2538         (expand_builtin_atomic_compare_exchange): Ditto.
2539         (expand_builtin_atomic_load): Ditto.
2540         (expand_builtin_atomic_store): Ditto.
2541         (expand_builtin_atomic_clear): Ditto.
2542         * doc/extend.texi: Mention port-dependent memory model flags.
2543         * config/i386/cpuid.h (bit_HLE): New.
2544         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
2545         HLE support.
2546         * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
2547         * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
2548         (ix86_target_string)<-mhle>: New.
2549         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
2550         * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
2551         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
2552         (ix86_option_override_internal) <PTA_HLE>: New switch, set it
2553         enabled for generic, generic64 and core-avx2.
2554         (ix86_print_operand): Generate HLE lock prefixes.
2555         (ix86_memmodel_check): New.
2556         (TARGET_MEMMODEL_CHECK): Ditto.
2557         * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
2558         (IX86_HLE_ACQUIRE): Ditto.
2559         (IX86_HLE_RELEASE): Ditto.
2560         * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
2561         * config/i386/i386.opt (mhle): Ditto.
2562         * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
2563         success model to instruction emitter.
2564         (atomic_fetch_add<mode>): Ditto.
2565         (atomic_exchange<mode>): Ditto.
2566         (atomic_add<mode>): Ditto.
2567         (atomic_sub<mode>): Ditto.
2568         (atomic_<code><mode>): Ditto.
2569         (*atomic_compare_and_swap_doubledi_pic): Ditto.
2570         (atomic_compare_and_swap_single<mode>): Define and use argument
2571         for success model.
2572         (atomic_compare_and_swap_double<mode>): Ditto.
2573         * configure.ac: Check if assembler support HLE prefixes.
2574         * configure: Regenerate.
2575         * config.in: Ditto.
2577 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2579         PR middle-end/53153
2580         * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
2581         split out from ...
2582         (gimplify_switch_expr): ... here.
2583         * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
2584         * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
2585         to clean up case labels with values outside the index type range.
2586         (simplify_gimple_switch): Call it if something changed.
2587         Remove strange and unnecessary assert.
2589 2012-05-02  Richard Guenther  <rguenther@suse.de>
2591         * fold-const.c (div_if_zero_remainder): sizetypes no longer
2592         sign-extend.
2593         (int_const_binop_1): New worker for int_const_binop with
2594         overflowable parameter.  Pass it through to force_fit_type_double.
2595         (int_const_binop): Wrap around int_const_binop_1 with overflowable
2596         equal to one.
2597         (size_binop_loc): Call int_const_binop_1 with overflowable equal
2598         to minus one, forcing overflow detection for even unsigned types.
2599         (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
2600         (fold_binary_loc): Call try_move_mult_to_index with signed offset.
2601         * stor-layout.c (initialize_sizetypes): sizetypes no longer
2602         sign-extend.
2603         (layout_type): For zero-sized arrays ignore overflow on the
2604         size calculations.
2605         * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
2606         (bit_value_binop_1): Likewise.
2607         * tree.c (double_int_to_tree): Likewise.
2608         (double_int_fits_to_tree_p): Likewise.
2609         (force_fit_type_double): Likewise.
2610         (host_integerp): Likewise.
2611         (int_fits_type_p): Likewise.
2612         * varasm.c (output_constructor_regular_field): Sign-extend the
2613         field-offset to cater for negative offsets produced by the Ada
2614         frontend.
2615         * omp-low.c (extract_omp_for_data): Convert the loop step to
2616         signed for pointer adjustments.
2618 2012-05-02  Richard Guenther  <rguenther@suse.de>
2620         * tree.c (valid_constant_size_p): New function.
2621         * tree.h (valid_constant_size_p): Declare.
2622         * cfgexpand.c (expand_one_var): Adjust check for too large
2623         variables by using valid_constant_size_p.
2624         * varasm.c (assemble_variable): Likewise.
2626         * c-decl.c (grokdeclarator): Properly check for sizes that
2627         cover more than half of the address-space.
2629 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
2631         PR tree-optimization/53163
2632         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2633         return value from compute_all_dependences.
2635         PR rtl-optimization/53160
2636         * ree.c (combine_reaching_defs): Handle the case where cand->insn
2637         has been modified by ree pass already.
2639 2012-05-01  Ian Lance Taylor  <iant@google.com>
2641         PR c/37303
2642         * c-decl.c (build_compound_literal): Make the decl readonly if it
2643         an array of a readonly type.
2644         * gimplify.c (gimplify_compound_literal_expr): Add fallback
2645         parameter.  Change all callers.  If the decl is not addressable
2646         and is not an l-value, make it readonly.
2648 2012-05-01  Bernd Schmidt  <bernds@codesourcery.com>
2650         * ira.c (allocated_reg_info_size): New static variable.
2651         (expand_reg_info): Manage it. Call
2652         setup_preferred_alternate_classes_for_new_pseudos.
2653         (ira): Don't do it here.  Remove local allocated_reg_info_size,
2654         set the global before calling find_moveable_pseudos.
2655         (find_moveable_pseudos): Call expand_reg_info rather than
2656         resize_reg_info.
2658 2012-05-01  Richard Henderson  <rth@redhat.com>
2660         * common.opt (fsync-libcalls): New.
2661         * doc/invoke.texi: Document it.
2662         * optabs.c (init_sync_libfuncs): Honor it.
2664 2012-05-01  Kenneth Zadeck  <zadeck@naturalbridge.com>
2665             Richard Sandiford  <r.sandiford@uk.ibm.com>
2667         PR rtl-optimization/52543
2668         * Makefile.in (lower-subreg.o, target-globals.o): Depend on
2669         lower-subreg.h.
2670         * lower-subreg.h: New file.
2671         * target-globals.h (this_target_lower_subreg): Declare.
2672         (target_globals): Add lower_subreg;
2673         (restore_target_globals): Restore this_target_lower_subreg.
2674         * target-globals.c: Include it.
2675         (default_target_globals): Add default_target_lower_subreg.
2676         (save_target_globals): Initialize target_lower_subreg.
2677         * rtl.h (init_lower_subreg): Added declaration.
2678         * toplev.c (backend_init_target): Call initializer for lower-subreg
2679         pass.
2680         * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
2681         (default_target_lower_subreg): New variable.
2682         (this_target_lower_subreg): Likewise.
2683         (twice_word_mode, choices): New macros.
2684         (shift_cost, compute_splitting_shift, compute_costs)
2685         (init_lower_subreg): New functions.
2686         (resolve_simple_move): Add speed_p argument.  Check choices.
2687         (find_pseudo_copy): Don't check the mode size here.
2688         (resolve_simple_move): Assert the mode size.
2689         (find_decomposable_shift_zext): Add speed_p argument and return
2690         a bool.  Check choices.
2691         (resolve_shift_zext): Add comment.
2692         (dump_shift_choices, dump_choices): New functions.
2693         (decompose_multiword_subregs): Dump list of profitable
2694         transformations.  Add code to skip non profitable transformations.
2695         Update calls to simple_move and find_decomposable_shift_zext.
2697 2012-05-01  Ian Bolton  <ian.bolton@arm.com>
2698             Sameera Deshpande  <sameera.deshpande@arm.com>
2699             Greta Yorsh  <greta.yorsh@arm.com>
2701         * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
2702         (thumb1_unexpanded_epilogue): ...this.
2703         * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
2704         (thumb1_unexpanded_epilogue): ...this.
2705         * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
2706         (thumb1_unexpanded_epilogue): ...this.
2708 2012-05-01  Richard Earnshaw  <rearnsha@arm.com>
2710         * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
2711         comparing enumeration values.  Update comments.
2713 2012-05-01  Alan Modra  <amodra@gmail.com>
2715         PR target/53038
2716         * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
2717         load_cr_save, add_crlr_cfa_restore): New functions.
2718         (rs6000_restore_saved_cr): Rename to..
2719         (restore_saved_cr): ..this.  Add cfa_restore notes for cr.
2720         (rs6000_emit_epilogue): Use new functions.  Adjust condition
2721         for emitting lr and cr cfa_restore.  Emit cfa_restores for fp
2722         regs when using out-of-line restore only when shrink wrapping.
2724 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2726         PR middle-end/53136
2727         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2728         calls to cgraph_node_name in xstrdup.
2729         (ipa_make_edge_direct_to_target): Ditto.
2730         * cgraph.c (dump_cgraph_node): Ditto.
2731         * tree-sra.c (convert_callers_for_node): Ditto.
2732         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2733         * ipa-cp.c (perhaps_add_new_callers): Ditto.
2734         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2735         (cgraph_materialize_all_clones): Ditto.
2736         * ipa-inline.c (report_inline_failed_reason): Ditto.
2737         (want_early_inline_function_p): Ditto.
2738         (edge_badness): Ditto.
2739         (update_edge_key): Ditto.
2740         (flatten_function): Ditto.
2741         (ipa_inline): Ditto.
2742         (inline_always_inline_functions): Ditto.
2743         (early_inline_small_functions): Ditto.
2745 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2747         PR target/53141
2748         * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
2749         constraints 0 and 1.
2751 012-04-30  Jan Hubicka  <jh@suse.cz>
2753         * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
2754         (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
2755         (cgraph_add_to_same_comdat_group): Remove.
2756         (cgraph_add_asm_node): Move to cgraphunit.c.
2757         (cgraph_make_decl_local): Move to symtab.c
2758         (cgraph_make_node_local_1): Update.
2759         (cgraph_can_remove_if_no_direct_calls_and): Update.
2760         (used_from_object_file_p): Update.
2761         (resolution_used_from_other_file_p): Move to symtab.c
2762         (cgraph_used_from_object_file_p): move to symtab.c
2763         (verify_cgraph_node): Verify same comdat groups.
2764         * cgraph.h (cgraph_asm_node): Rename to ...
2765         (asm_node): ... this one.
2766         (cgraph_asm_nodes): Rename to ...
2767         (asm_nodes): ... this one.
2768         (symtab_add_to_same_comdat_group): New function.
2769         (symtab_dissolve_same_comdat_group_list): New function.
2770         (symtab_used_from_object_file_p): Declare.
2771         (symtab_make_decl_local): Declare.
2772         (cgraph_add_to_same_comdat_group): Remove.
2773         (cgraph_add_asm_node): Remove.
2774         (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
2775         Remove.
2776         (cgraph_finalize_compilation_unit): Rename to ...
2777         (finalize_compilation_unit): ... this one.
2778         (cgraph_optimize): Rename to ....
2779         (compile): ... this one.
2780         (add_asm_node): Declare.
2781         (fixup_same_cpp_alias_visibility): Declare.
2782         (cgraph_make_decl_local): Remove.
2783         (varpool_assemble_pending_decls): Rename to ...
2784         (varpool_output_variables): ... this one.
2785         (varpool_remove_unreferenced_decls): Remove.
2786         * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
2787         (preserve_function_body_p): Make static.
2788         * toplev.c (compile_file): Update comments; update.
2789         * cgraphunit.c: Update comments.
2790         (cgraph_expand_all_functions): Rename to ...
2791         (expand_all_functions): ... this one; update.
2792         (cgraph_mark_functions_to_output): Rename to ...
2793         (mark_functions_to_output): ... this one; cleanup.
2794         (cgraph_output_pending_asms): Remove prototype.
2795         (asm_nodes, asm_last_node): New static vars.
2796         (cgraph_process_new_functions): Update.
2797         (cgraph_reset_node): Cleanup; add comment.
2798         (cgraph_add_new_function): Update.
2799         (cgraph_output_pending_asms): Rename to ...
2800         (output_asm_statements): ... this one.
2801         (add_asm_node): New function.
2802         (fixup_same_cpp_alias_visibility): New function based on code
2803         in cgraph_analyze_function.
2804         (cgraph_analyze_function): Use it.
2805         (cgraph_order_sort): Update.
2806         (cgraph_output_in_order): Update.
2807         (cgraph_function_versioning): Update.
2808         (cgraph_optimize): Rename to ...
2809         (compile): ... this one; initialize streamer hooks here.
2810         (cgraph_finalize_compilation_unit): Rename to ...
2811         (finalize_compilation_unit): ... this one; do not initialize streamer
2812         hook here.
2813         * lto-streamer-out.c (lto_output_toplevel_asms): Update.
2814         * dwarf2out.c: Update ocmment.
2815         * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
2816         * method.c (use_thunk): Likewise.
2817         * semantics.c (maybe_add_lambda_conv_op): Likewise.
2818         * decl2.c (maybe_emit_vtables): Likewise.
2819         (cp_write_global_declarations): Use finalize_compilation_unit.
2820         * parser.c (cp_parser_asm_definition): Use add_asm_node.
2821         * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
2822         * c-decl.c (c_write_global_declarations): Use
2823         finalize_compilation_unit.
2824         * langhooks.c (write_global_declarations): Update.
2825         * ipa.c (cgraph_externally_visible_p): Update.
2826         (dissolve_same_comdat_group_list): Remove.
2827         (function_and_variable_visibility): Update.
2828         * symtab.c: Inlcude lto-streamer.h and rtl.h
2829         (ld_plugin_symbol_resolution_names): New.
2830         (symtab_add_to_same_comdat_group): New.
2831         (symtab_dissolve_same_comdat_group_list): New.
2832         (resolution_used_from_other_file_p): Move here from cgraph.c
2833         (symtab_used_from_object_file_p): New.
2834         (symtab_make_decl_local): New.
2835         * passes.c (register_pass): Update comments.
2836         * c-parser.c (c_parser_asm_definition): Update.
2837         * varpool.c (varpool_analyze_node): Use
2838         fixup_same_cpp_alias_visibility.
2839         (varpool_remove_unreferenced_decls): Make static.
2840         (varpool_assemble_pending_decls): Rename to ...
2841         (varpool_output_variables): ... this one; call
2842         varpool_remove_unreferenced_decls.
2843         (varpool_used_from_object_file_p): Remove.
2845 2012-04-30  Marc Glisse  <marc.glisse@inria.fr>
2847         PR c++/51033
2848         * c-typeck.c (build_array_ref): Call
2849         convert_vector_to_pointer_for_subscript.
2850         * doc/extend.texi (Vector Extensions): Subscripting not just for C.
2852 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2854         * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
2855         to compile-time "mode == <MODE>mode" checks.
2856         (and splitter): Ditto.
2858 2012-04-30  Richard Henderson  <rth@redhat.com>
2860         * config/arm/arm.md (UNSPEC_LL): New.
2861         * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
2862         (arm_load_exclusivedi): Use %H0.
2864 2012-04-30  Jason Merrill  <jason@redhat.com>
2866         * dwarf2out.c (comdat_symbol_id): Add const.
2867         (union die_symbol_or_type_node): Add const to die_symbol.
2868         (output_die_symbol, output_die, output_comp_unit): Adjust.
2870 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
2872         * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
2873         * config/arm/neon.md (negdi2_neon): New insn.
2874         Also add splitters for core and NEON registers.
2876 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
2878         * config/arm/arm.c (neon_valid_immediate): Allow const_int.
2879         (arm_print_operand): Add 'x' format.
2880         * config/arm/constraints.md (Dn): Allow const_int.
2881         * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
2882         Use 'x' format to print constants.
2883         * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
2884         * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
2885         is enabled.
2886         (movdi_vfp_cortexa8): Likewise.
2888 2012-04-30  Ian Bolton  <ian.bolton@arm.com>
2889             Sameera Deshpande  <sameera.deshpande@arm.com>
2890             Greta Yorsh  <greta.yorsh@arm.com>
2892         * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
2893         * config/arm/arm.c (ldm_stm_operation_p): New function.
2894         * config/arm/predicates.md (load_multiple_operation): Update predicate.
2895         (store_multiple_operation): Likewise.
2897         * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
2898         * config/arm/arm.c (ldm_stm_operation_p): New parameters.
2899         * config/arm/predicates.md (load_multiple_operation): Add arguments.
2900         (store_multiple_operation): Likewise.
2902 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2904         * config/i386/i386.md (and<mode>3): Expand masking operations with
2905         0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
2906         (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
2908 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
2910         Add -Wvarargs option
2911         * builtins.c (fold_builtin_next_arg):  Use OPT_Wvarargs as an
2912         argument for the various warning_at calls.
2913         * docs/invoke.texi: Update the documentation.
2915 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
2917         Switch -ftrack-macro-expansion=2 on by default.
2918         * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
2919         by default.
2921         Fix va_start related location
2922         * builtins.c (fold_builtin_next_arg): Unwinds to the first
2923         location in real source code.
2925         Make conversion warnings work on NULL with -ftrack-macro-expansion
2926         * input.h (expansion_point_location_if_in_system_header): Declare
2927         new function.
2928         * input.c (expansion_point_location_if_in_system_header): Define it.
2930         Fix -Wuninitialized for -ftrack-macro-expansion
2931         * tree-ssa.c (warn_uninit): Use the spelling location of the variable
2932         declaration.  Use linemap_location_before_p for source locations.
2934         Strip "<built-in>" loc from displayed expansion context
2935         * input.c (expand_location_1): When expanding to spelling location
2936         in a context of a macro expansion, skip reserved system header
2937         locations.  Update comments.  * tree-diagnostic.c
2938         (maybe_unwind_expanded_macro_loc): Likewise.
2940         Make expand_location resolve to locus in main source file
2941         * input.c (expand_location_1): New.  Takes a parameter to choose
2942         whether to resolve the location to spelling or expansion point.
2943         Was factorized from ...
2944         (expand_location): ... here.
2945         (expand_location_to_spelling_point): New.  Implemented in terms of
2946         expand_location_1.
2947         * diagnostic.c (diagnostic_build_prefix): Use the new
2948         expand_location_to_spelling_point instead of expand_location.
2950         Fix PCH crash on GTYed pointer-to-scalar field of a struct
2951         * gengtype.c (write_types_process_field): Force second argument of
2952         the call to the PCH object hierarchy walker to be 'x'.
2954 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2956         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
2957         predicate to discriminate types.
2959 2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2961         * doc/invoke.texi (Wmissing-format-attribute): Document as an
2962         alias of Wsuggest-attribute=format.
2963         * c-typeck.c (convert_for_assignment): Replace
2964         Wmissing-format-attribute with Wsuggest-attribute=format.
2965         (digest_init): Likewise.
2967 2012-04-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2969         * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
2970         * common.opt (Wmissing-noreturn): Alias of
2971         -Wsuggest-attribute=noreturn.
2973 2012-04-29  Hans-Peter Nilsson  <hp@axis.com>
2975         PR target/53156
2976         * config/cris/cris.md (andqu): New peephole2.
2977         (andu): Tweak head comment.
2979 2012-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
2980             Steven Bosscher  <steven@gcc.gnu.org>
2981             Maxim Kuvyrkov  <maxim@codesourcery.com>
2983         PR tree-optimization/38785
2984         * common.opt (ftree-partial-pre): New option.
2985         * doc/invoke.texi: Document it.
2986         * opts.c (default_options_table): Initialize flag_tree_partial_pre.
2987         * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
2988         benefit speed path.
2989         (execute_pre): Use flag_tree_partial_pre.
2991 2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2993         PR target/52999
2994         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
2995         in constant pool.
2997 2012-04-27  Ollie Wild  <aaw@google.com>
2999         * doc/invoke.texi (Wliteral-suffix): Document new option.
3001 2012-04-27  Tom Tromey  <tromey@redhat.com>
3003         * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
3004         (dwarf_tag_name): Use get_DW_TAG_name.
3005         (dwarf_attr_name): Use get_DW_AT_name.
3006         (dwarf_form_name): Use get_DW_FORM_name.
3007         * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
3009 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
3011         * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
3012         arguments are -1 and 0, by negating the result of the conditional.
3014 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
3016         PR target/53138
3017         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
3019 2012-04-27  Richard Guenther  <rguenther@suse.de>
3021         * tree-flow.h (is_hidden_global_store): Remove.
3022         * tree-ssa-sink.c (is_hidden_global_store): Likewise.
3023         * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
3024         (stmt_may_clobber_global_p): Likewise.
3025         * tree-ssa-alias.c (ref_may_alias_global_p): New function.
3026         (stmt_may_clobber_global_p): Likewise.
3027         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
3028         stmt_may_clobber_global_p.
3029         * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
3031 2012-04-27  Steven Bosscher  <steven@gcc.gnu.org>
3033         * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
3034         place.
3036         * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
3037         reorganize some fields and update comments.  Rename bit_test_uniq
3038         and bit_test_count to uniq resp. count.  Remove bit_test_bb.
3039         (collect_switch_conv_info): New function, collects info about a
3040         GIMPLE_SWITCH into a struct switch_conv_info.
3041         (check_range): Simplify to use pre-recorded info.  Fix think-o in
3042         range-branch ratio check.
3043         (check_process_case): Remove function.
3044         (check_all_empty_except_final): New function, verifies that all
3045         non-final basic blocks are empty.
3046         (process_switch): Simplify to use pre-recorded info.  Call
3047         collect_switch_conv_info to do that.  Assert that degenerate switch
3048         statements have been cleaned up.
3050 2012-04-27  Marc Glisse  <marc.glisse@inria.fr>
3052         PR middle-end/27139
3053         * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
3055 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3057         PR c/53130
3058         * c-typeck.c (pop_init_level): Use %qD instead of %qT.
3060 2012-04-27  Tom de Vries  <tom@codesourcery.com>
3062         PR tree-optimization/51879
3063         * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
3064         * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
3065         of ...
3066         (defs_to_varying): ... here.  Don't set use_processed.
3067         (visit_reference_op_call): Handle gimple_vdef.
3068         Handle case that lhs is NULL_TREE.
3069         (visit_use): Use mark_use_processed.  Handle calls with side-effect
3070         using visit_reference_op_call.
3072 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
3074         * sched-deps.c (fixup_sched_groups): Rename to...
3075         (chain_to_prev_insn): ...this.
3076         (chain_to_prev_insn_p): New function.
3077         (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
3079 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
3081         * sched-int.h (_haifa_insn_data): Move priority_status.
3082         Add model_index.
3083         (INSN_MODEL_INDEX): New macro.
3084         * haifa-sched.c (insn_delay): New function.
3085         (sched_regno_pressure_class): Update commentary.
3086         (mark_regno_birth_or_death): Pass the liveness bitmap and
3087         pressure array as arguments, instead of using curr_reg_live and
3088         curr_reg_pressure.  Only update the pressure if the bit in the
3089         liveness set has changed.
3090         (initiate_reg_pressure_info): Always trust the live-in set for
3091         SCHED_PRESSURE_MODEL.
3092         (initiate_bb_reg_pressure_info): Update call to
3093         mark_regno_birth_or_death.
3094         (dep_list_size): Take the list as argument.
3095         (calculate_reg_deaths): New function, extracted from...
3096         (setup_insn_reg_pressure_info): ...here.
3097         (MODEL_BAR): New macro.
3098         (model_pressure_data, model_insn_info, model_pressure_limit)
3099         (model_pressure_group): New structures.
3100         (model_schedule, model_worklist, model_insns, model_num_insns)
3101         (model_curr_point, model_before_pressure, model_next_priority):
3102         New variables.
3103         (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
3104         (MODEL_INSN_INFO, MODEL_INSN): New macros.
3105         (model_index, model_update_limit_points_in_group): New functions.
3106         (model_update_limit_points, model_last_use_except): Likewise.
3107         (model_start_update_pressure, model_update_pressure): Likewise.
3108         (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
3109         (model_excess_cost, model_dump_pressure_points): Likewise.
3110         (model_set_excess_costs): Likewise.
3111         (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
3112         SCHED_PRIORITY_MODEL.  Use insn_delay.  Use the order in the model
3113         schedule as an alternative tie-breaker.  Update the call to
3114         dep_list_size.
3115         (ready_sort): Call model_set_excess_costs.
3116         (update_register_pressure): Update call to mark_regno_birth_or_death.
3117         Rely on that function to check liveness rather than doing it here.
3118         (model_classify_pressure, model_order_p, model_add_to_worklist_at)
3119         (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
3120         (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
3121         (model_record_pressure, model_record_pressures): New functions.
3122         (model_record_final_pressures, model_add_successors_to_worklist)
3123         (model_promote_predecessors, model_choose_insn): Likewise.
3124         (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
3125         (model_start_schedule, model_finalize_pressure_group): Likewise.
3126         (model_end_schedule): Likewise.
3127         (schedule_insn): Say when we're scheduling the next instruction
3128         in the model schedule.
3129         (schedule_insn): Handle SCHED_PRESSURE_MODEL.
3130         (queue_to_ready): Do not add instructions that are
3131         MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
3132         Always allow the next instruction in the model schedule to be added.
3133         (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
3134         and delay for SCHED_PRESSURE_MODEL too.
3135         (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
3136         SCHED_PRIORITY_MODEL, but also take the DFA into account.
3137         (schedule_block): Call model_start_schedule and model_end_schedule.
3138         Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
3139         (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3140         to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
3141         region_ref_regs.
3142         (sched_finish): Update accordingly.
3143         (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3144         to SCHED_PRESSURE_MODEL.
3145         (add_jump_dependencies): Update call to dep_list_size.
3146         (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
3147         (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
3148         to SCHED_PRESSURE_MODEL.
3149         * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
3150         allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
3151         (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
3152         handling to SCHED_PRESSURE_MODEL.
3154 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
3156         * common.opt (fsched-pressure-algorithm=): New option.
3157         * flag-types.h (sched_pressure_algorithm): New enum.
3158         * sched-int.h (sched_pressure_p): Replace with...
3159         (sched_pressure): ...this new variable.
3160         * haifa-sched.c (sched_pressure_p): Replace with...
3161         (sched_pressure): ...this new variable.
3162         (sched_regno_pressure_class, rank_for_schedule, ready_sort)
3163         (update_reg_and_insn_max_reg_pressure, schedule_insn)
3164         (debug_ready_list, prune_ready_list, schedule_block, sched_init)
3165         (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
3166         * sched-deps.c (init_insn_reg_pressure_info): Likewise.
3167         (sched_analyze_insn): Likewise.
3168         * sched-rgn.c (schedule_region): Likewise.
3169         * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
3171 2012-04-26  Bernd Schmidt  <bernds@codesourcery.com>
3173         * PR middle-end/52997
3174         * ira.c (find_moveable_pseudos): Call resize_reg_info.
3176         PR middle-end/52940
3177         * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
3178         * expr.c (convert_move): Honor unsignedp when extending partial int
3179         modes.
3180         * genmodes.c (complete_mode): Don't clear component field of partial
3181         int modes.
3182         (emit_mode_inner): Don't emit it however.
3183         (calc_wider_mode): Partial int modes widen to their component.
3185 2012-04-26  David S. Miller  <davem@davemloft.net>
3187         * config/sparc/niagara4.md: New file.
3188         * config/sparc/sparc.md: Include it.
3189         * config/sparc/sparc.c (niagara4_costs): New processor costs.
3190         (sparc_option_override): Use it.
3191         (sparc_use_sched_lookahead): Return 2 for niagara4.
3192         (sparc_issue_rate): Likewise.
3194         * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
3195         (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
3196         (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
3197         fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
3198         (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
3199         alignaddrldi_vis): Set type to gsr.
3200         (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
3201         (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
3202         cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
3203         v<vis3_shift_patname><mode>3, fmean16_vis,
3204         fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
3205         fucmp<code>8<P:mode>_vis): Set type to fga.
3206         * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
3207         * config/sparc/niagara.md: Likewise.
3208         * config/sparc/niagara2.md: Likewise.
3209         * config/sparc/ultra3.md: Likewise, and fix type matching for
3210         us3_ialuX reservation.
3212 2012-04-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3214         * reload.c (find_reloads): Change the loop nesting when trying an
3215         alternative with swapped operands.
3217 2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3219         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
3220         comment. Delete unused parameter first_exp_point_map.
3221         (virt_loc_aware_diagnostic_finalizer): Update call.
3223 2012-04-26  Michael Hope  <michael.hope@linaro.org>
3224             Richard Earnshaw  <rearnsha@arm.com>
3226         * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
3227         (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
3228         (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
3229         (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
3231 2012-04-25  Sriraman Tallam  <tmsriram@google.com>
3233         * doc/extend.texi: Document avx2 support.
3234         * config/i386/i386.c (fold_builtin_cpu): Add avx2.
3236 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
3238         PR target/53120
3239         * config/cris/cris.md ("*andhi_lowpart_v32")
3240         ("*andqi_lowpart_v32"): Change first input-only operand from
3241         a (match_operand ...) to (match_dup 0).  Drop alternatives with
3242         const_int-matching constraints for redundancy.
3243         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
3244         three-operand alternative.
3246 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3248         PR target/53110
3249         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
3250         instead expand it as zero extension.
3252 2012-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3254         PR debug/52857
3255         * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
3257 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3259         * common.opt (flag_debug_types_section): Default to 0.
3260         (dwarf_version): Default to 4.
3261         (dwarf_record_gcc_switches): Default to 1.
3262         (dwarf_strict): Default to 0.
3263         * toplev.c (process_options): Don't handle dwarf_strict
3264         or dwarf_version here.
3265         * config/vxworks.c (vxworks_override_options): Don't
3266         test whether dwarf_strict or dwarf_version are negative,
3267         instead test !global_options_set.x_dwarf_*.
3268         * config/darwin.c (darwin_override_options): Default to
3269         dwarf_version 2.
3270         * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
3271         and -fno-debug-types-section are now the default.
3273 2012-04-25  Jan Hubicka  <jh@suse.cz>
3275         * cgraphunit.c: Update toplevel comment.
3276         (tree_rest_of_compilation): Merge into cgraph_expand_function.
3277         (cgraph_analyze_function): Make static.
3278         (cgraph_decide_is_function_needed): Make static.
3279         (cgraph_add_new_function): Use expand_function instead of
3280         rest_of_compilation.
3281         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
3282         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
3283         Move to cgraph.c
3284         (cgraph_inline_p): Remove.
3285         (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
3286         (init_cgraph): Add comment.
3287         * cgraphbuild.c (record_reference, mark_address, mark_load,
3288         mark_store): Do not call analyze_expr hook.
3289         * cgraph.c: Update toplevel comment.
3290         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
3291         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
3292         Move fere from cgraphunit.c
3293         (cgraph_mark_force_output_node): Move to cgraph.h
3294         * cgraph.h: Reorder so the comments match the function placement.
3295         (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
3296         (cgraph_mark_force_output_node): Move here from cgraph.c
3297         * tree.c (free_lang_data): Do not clear analyze_expr hook.
3298         * ipa-inline-transform.c (preserve_function_body_p): New function.
3299         (inline_transform): Update.
3300         * langhooks.c (lhd_callgraph_analyze_expr): Remove.
3301         * langhooks.h (lang_hooks_for_callgraph): Remove.
3302         (lang_hooks): Remove callgraph.
3303         * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
3304         * varpool.c: Remove out of date comment.
3305         * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
3306         (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
3308 2012-04-25  Jan Hubicka  <jh@suse.cz>
3310         PR middle-end/53089
3311         * cgraphunit.c (referred_to_p): Move ahead in file to avoid
3312         forward declaration.
3313         (cgraph_finalize_function): Finalize them here.
3314         * symtab.c (dump_symtab): Dump ctors and dtors.
3316 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3318         PR middle-end/52979
3319         * stor-layout.c (get_best_mode): Don't return mode with bitsize
3320         larger than maxbits.  Don't compute maxbits modulo align.
3321         Also check that unit bytes long store at bitpos / unit * unit
3322         doesn't affect bits beyond bitregion_end.
3323         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
3324         would not fit into bitregion_start ... bitregion_end + 1 bit region.
3325         (store_split_bit_field): Decrease unit close to end of bitregion_end
3326         if access is restricted in order to avoid mutual recursion.
3328         PR tree-optimization/53058
3329         * double-int.h (double_int_max_value, double_int_min_value): New
3330         prototypes.
3331         * double-int.c (double_int_max_value, double_int_min_value): New
3332         functions.
3333         * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
3334         or GT_EXPR with double_int_max_value instead of double_int_mask.
3336 2012-04-25  Richard Guenther  <rguenther@suse.de>
3338         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
3339         * tree-vect-loop.c (vect_transform_loop): Adjust.
3340         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
3341         the maximum number of iterations for the epilogue loop.
3342         (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
3344 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
3346         PR c/52880
3347         * c-typeck.c (set_nonincremental_init,
3348         set_nonincremental_init_from_string): Pass true instead of false
3349         as IMPLICIT to add_pending_init.
3351 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3353         * c-typeck.c (pop_init_level): Improve diagnostics.
3355 2012-04-25  Uros Bizjak  <ubizjak@gmail.com>
3357         * compare-elim.c (try_eliminate_compare): Also handle operands with
3358         implicit extensions.
3360 2012-04-25  Alan Modra  <amodra@gmail.com>
3362         * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
3363         V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
3364         SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
3365         (no_global_regs_above): Delete.
3366         (no_global_regs): New function.
3367         (rs6000_savres_strategy): Handle vector regs.  Use proper lr_save_p
3368         value for load multiple test.
3369         (savres_routine_syms): Increase size.
3370         (rs6000_savres_routine_name, rs6000_savres_routine_sym,
3371         ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
3372         rather than a number of boolean flags.  Update all callers.
3373         (rs6000_savres_routine_name): Generate vector save/restore names.
3374         (rs6000_savres_routine_sym): Handle vector regs.  Delete forward decl.
3375         (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
3376         (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
3377         and using_store_multiple.  Expand uses.  Don't always use r11 as
3378         frame reg when needed for out-of-line saves.  Set up initial offset
3379         for out-of-line vector saves when buying stack frame.  Handle pointer
3380         reg setup for out-of-line fp save.  Emit call to out-of-line vector
3381         save function.  Choose r11 or r12 for vrsave reg when available for
3382         better scheduling.
3383         (rs6000_output_function_prologue): Don't emit .extern for ELF.
3384         (rs6000_emit_epilogue): Choose a better frame reg when restoring
3385         from back-chain to suit out-of-line vector restore functions.  Emit
3386         call to out-of-line vector restore function.  Adjust register used
3387         for cr restore.  Tweak pointer register setup for gpr restore.
3388         * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
3389         FIXED_R13.
3390         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
3391         (V_SAVE_INLINE): Define.
3392         * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
3394 2012-04-25  Alan Modra  <amodra@gmail.com>
3396         * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
3397         out-of-line save/restore for large frames.  Don't disable
3398         out-of-line saves on ABI_AIX when using static chain reg.
3399         (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
3400         clobber static chain reg, and tweak for out-of-line gpr saves
3401         that use r1.
3403 2012-04-25  Alan Modra  <amodra@gmail.com>
3405         * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
3406         (rs6000_emit_prologue): Use the above to catch register overlap.
3408 2012-04-25  Alan Modra  <amodra@gmail.com>
3410         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
3411         decl.  Move logic selecting update reg to callers.  Update all callers.
3412         (rs6000_emit_allocate_stack): Add copy_off param.
3413         (emit_frame_save): Don't handle reg+reg addressing.
3414         (ptr_regno_for_savres): New function, extracted from..
3415         (rs6000_emit_savres_rtx): ..here.  Add lr_offset param.
3416         (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
3417         Set frame_reg_rtx to r11 whenever r11 is needed, and merge
3418         frame offset adjustment for out-of-line save with copy from sp.
3419         Simplify condition controlling whether cr is saved early or
3420         late.  Use ptr_regno_for_savres to verify correct reg is set
3421         up for out-of-line saves.  Pass the actual pointer reg used to
3422         rs6000_emit_savres_rtx so rtl matches insns in out-of-line
3423         function.  Rearrange spe vars so code is similar to that
3424         elsewhere in this function.  Don't update frame_off when spe
3425         save code will restore r11.  Use emit_frame_save for spe and
3426         gpr saves.  Consolidate darwin out-of-line gpr setup with that
3427         for other abis.  Don't assume frame_offset is zero and frame
3428         reg is sp when setting up altivec reg saves, and calculate
3429         exact offset requirement.
3430         (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off.  Tidy
3431         spe restore code.  Consolidate darwin out-of-line gpr setup
3432         with that for other abis.
3434 2012-04-25  Alan Modra  <amodra@gmail.com>
3436         * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
3437         REG_FRAME_RELATED_EXPR note when the instruction exactly matches
3438         the replacement.
3439         (emit_frame_save): Delete frame_ptr param.  Rename total_size to
3440         frame_reg_to_sp.
3441         (rs6000_emit_prologue): Add sp_off.  Update rs6000_frame_related
3442         and emit_frame_save calls.  Cope with possibly missing note.
3444 2012-04-24  Sriraman Tallam  <tmsriram@google.com>
3446         * config/i386/i386.c (build_processor_model_struct): New function.
3447         (make_var_decl): New function.
3448         (fold_builtin_cpu): New function.
3449         (ix86_fold_builtin): New function.
3450         (make_cpu_type_builtin): New function.
3451         (ix86_init_platform_type_builtins): New function.
3452         (ix86_expand_builtin): Expand new builtins by folding them.
3453         (ix86_init_builtins): Make new builtins to detect CPU type.
3454         (TARGET_FOLD_BUILTIN): New macro.
3455         (IX86_BUILTIN_CPU_INIT): New enum value.
3456         (IX86_BUILTIN_CPU_IS): New enum value.
3457         (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
3458         * config/i386/i386-builtin-types.def: New function type.
3459         * testsuite/gcc.target/builtin_target.c: New testcase.
3460         * doc/extend.texi: Document builtins.
3462 2012-04-24  Olivier Hainque  <hainque@adacore.com>
3464         * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
3465         * toplev.c (process_options): Default to dwarf_version 2.
3466         * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
3467         and dwarf_version 2.
3469 2012-04-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3471         * tree-pretty-print.h (default_tree_printer): Do not declare.
3472         * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
3473         intl.h.
3474         (default_tree_diagnostic_starter): Make static.
3475         (default_tree_printer): Move to here. Make static.
3476         (tree_diagnostics_defaults): New.
3477         * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
3478         * tree.c (free_lang_data): Use tree_diagnostics_defaults.
3479         * toplev.c: Do not include tree-pass.h.
3480         (default_tree_printer): Move from here.
3481         (general_init): Use tree_diagnostics_defaults.
3483 2012-04-24  Chao-ying Fu  <fu@mips.com>
3485         * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
3486         (mips*-*-linux*): Append mips/linux-common.h to tm_file.
3487         * config/mips/gnu-user.h
3488         (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
3489         (GNU_USER_TARGET_LINK_SPEC): New define.
3490         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
3491         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
3492         (GNU_USER_TARGET_MATHFILE_SPEC): New define.
3493         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
3494         GNU_USER_TARGET_ENDFILE_SPEC.
3495         * config/mips/gnu-user64.h (LIB_SPEC): Remove.
3496         (GNU_USER_TARGET_LINK_SPEC): New define.
3497         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
3498         * config/mips/linux-common.h: New file.
3500 2012-04-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3502         PR target/47197
3503         * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
3504         (altivec_build_resolved_builtin): Call fully_fold_convert.
3506 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
3508         PR target/53065
3509         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
3511 2012-04-24  Richard Guenther  <rguenther@suse.de>
3513         PR tree-optimization/53085
3514         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
3515         stores.
3517 2012-04-24  Richard Guenther  <rguenther@suse.de>
3519         * tree-if-conv.c (main_tree_if_conversion): Move bb under
3520         ENABLE_CHECKING.
3522 2012-04-24  Jim Meyering  <meyering@redhat.com>
3524         * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
3525         absence of an define_enum call.
3527 2012-04-24  Richard Guenther  <rguenther@suse.de>
3529         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
3530         the epilogue loop is not re-used as unvectorized version
3531         record the its maximum number of iterations.
3533 2012-04-24  Andrew Pinski  <apinski@cavium.com>
3535         * tree-ssa-forwprop.c (simplify_bitwise_binary):
3536         Don't directly use def1/def2.
3538 2012-04-24  Richard Guenther  <rguenther@suse.de>
3540         PR tree-optimization/53098
3541         * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
3542         comparison sign.
3544 2012-04-24  Andrew Pinski  <apinski@cavium.com>
3546         PR tree-opt/33512
3547         * tree-ssa-forwprop.c (defcodefor_name): New function.
3548         (simplify_bitwise_binary): Use defcodefor_name instead of manually
3549         Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
3550         Simplify "(~X | Y) & X" to "X & Y" and
3551         "(~X & Y) | X" to "X | Y".
3553 2012-04-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3555         * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
3556         validate_change to add clobbers if IN_GROUP is nonzero.
3557         (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
3558         * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
3559         prototype.
3560         * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
3561         set to false.
3562         * config/s390/s390.c (insn_invalid_p): Likewise.
3564 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
3566         PR middle-end/53084
3567         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
3568         (output_addressed_constants): Likewise.
3570         PR middle-end/52999
3571         * varasm.c (get_section): Don't ICE for section conflicts with
3572         built-in section kinds.
3574 2012-04-23  DJ Delorie  <dj@redhat.com>
3576         * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
3577         (LIBSTDCXX): Change to CPP2.
3579 2012-04-23  H.J. Lu  <hongjiu.lu@intel.com>
3581         PR bootstrap/52878
3582         * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
3583         extra_masks.
3585 2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
3587         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
3588         (*addsi_2_zext): Ditto.
3589         (*add<mode>_3): Ditto.
3590         (*addsi_3_zext): Ditto.
3591         (*add<mode>_5): Ditto.
3593 2012-04-23  Andrew Pinski  <apinski@cavium.com>
3595         * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
3596         (C & B) to (A OP0) & B.
3598 2012-04-23  Martin Jambor  <mjambor@suse.cz>
3600         * expr.c (expand_expr_real_1): Remove setting parent's alias set for
3601         temporaries created for a bitfield (reverting revision 122014).
3603 2012-04-23  Richard Guenther  <rguenther@suse.de>
3605         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
3606         the condition using is_gimple_condexpr and avoid the not necessary
3607         boolification.
3608         (set_prologue_iterations): Likewise.
3609         (vect_loop_versioning): Likewise.
3611 2012-04-23  Richard Guenther  <rguenther@suse.de>
3613         PR tree-optimization/53070
3614         * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
3615         (main_tree_if_conversion): Verify we succeeded in that.
3617 2012-04-23  Jan Hubicka  <jh@suse.cz>
3619         * lto-symtab.c (lto_cgraph_replace_node): Do not call
3620         mark_reahcable_node.
3621         * cgraph.c (cgraph_remove_node): Do not clear reachable.
3622         (cgraph_mark_reachable_node): Remove.
3623         (cgraph_mark_force_output_node): Do not set reachable.
3624         (dump_cgraph_node): Do not dump reachable.
3625         (cgraph_create_virtual_clone): Do not set reachable.
3626         * cgraph.h (cgraph_node): Remove reachable flag.
3627         (varpool_node): Remove reachable flag.
3628         (cgraph_mark_if_needed): Remove.
3629         (cgraph_mark_reachable_node): Remove.
3630         * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
3631         * cgraphunit.c (cgraph_finalize_function): Do not mark node as
3632         reachable.
3633         (cgraph_add_new_function): Likewise.
3634         (cgraph_mark_if_needed): Remove.
3635         (cgraph_analyze_function): Do not set target as reachable.
3636         (process_function_and_variable_attributes): Do not care about
3637         dllexport.
3638         (cgraph_analyze_functions): Do not set reachable flags.
3639         (cgraph_mark_functions_to_output): Do not check reachability.
3640         (cgraph_copy_node_for_versioning): Do not set reachable flag.
3641         (dbxout_expand_expr): Update.
3642         * c-decl.c (merge_decls): Do not track changed externs.
3643         * ipa.c: Include pointer-set.h
3644         (enqueue_cgraph_node): Use reachable pointer set.
3645         (process_references): Likewise.
3646         (cgraph_remove_unreachable_nodes): Likewise.
3647         (whole_program_function_and_variable_visibility): Do not recompute
3648         reachable.
3649         * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
3651 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
3653         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
3655 2012-04-23  Richard Guenther  <rguenther@suse.de>
3657         PR c/53060
3658         * c-typeck.c (build_binary_op): Fix typo.
3660 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
3662         PR tree-optimizations/52891
3663         * tree-vect-patterns.c (adjust_bool_pattern): Use
3664         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
3665         but with non-standard precision.
3667 2012-04-22  Jan Hubicka  <jh@suse.cz>
3669         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
3670         tree refs.
3672 2012-04-22  Jan Hubicka  <jh@suse.cz>
3674         * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
3675         * cgraphbuild.c (record_reference, record_type_list, mark_address,
3676         mark_load, mark_store): Do not mark varpool nodes as needed.
3677         * cgraph.c (cgraph_new_nodes): Remove.
3678         (cgraph_create_function_alias): Do not mark nodes as reachable.
3679         (cgraph_add_thunk): Likewise.
3680         (cgraph_mark_reachable_node): Do not manage the queue.
3681         * cgraph.h (cgraph_node): Remove next_needed.
3682         (varpool_nodes_queue): Remove next_needed and prev_needed.
3683         (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
3684         (cgraph_new_nodes): Declare.
3685         (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
3686         (varpool_analyze_pending_decls): Remove.
3687         (varpool_analyze_node): New.
3688         (varpool_mark_needed_node): Remove.
3689         (varpool_first_variable, varpool_next_variable): New inlines.
3690         (varpool_first_static_initializer, varpool_next_static_initializer):
3691         Update.
3692         (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
3693         (varpool_first_defined_variable): New inline.
3694         (varpool_next_defined_variable): New inline
3695         (FOR_EACH_VARIABLE): Reimplement.
3696         (FOR_EACH_DEFINED_VARIABLE): Reimplement.
3697         * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
3698         needed flag.
3699         * cgraphunit.c (cgraph_new_nodes): Declare here.
3700         (enqueue_node): New function.
3701         (cgraph_process_new_functions): update for new
3702         node set; when constructing cgraph enqueue node for processing.
3703         (cgraph_add_new_function): Use new node set.
3704         (process_function_and_variable_attributes): Do not set varpool needed
3705         flags.
3706         (referred_to_p): New function.
3707         (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
3708         when varpool is in construction.
3709         (cgraph_analyze_functions): Rewrite.
3710         (cgraph_expand_all_functions): Update.
3711         (cgraph_output_in_order): Do not analyze pending decls; do not set
3712         needed flags.
3713         (cgraph_optimize): Do not analyze pending decls.
3714         * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
3715         in other partition; do not mark node as needed.
3716         * dwarf2out.c (reference_to_unused): Use analyzed flag.
3717         (premark_types_used_by_global_vars_helper): Likewise.
3718         * ipa.c (process_references): Do not call varpool_mark_needed_node.
3719         (cgraph_remove_unreachable_nodes): Do not rely on varpool and
3720         cgrpah queues.
3721         (function_and_variable_visibility): Do not mark node as needed.
3722         (whole_program_function_and_variable_visibility): Likewise.
3723         * Makefile.in (gt-varpool.h): No longer needed.
3724         * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
3725         (ipa_write_summaries): Do not use needed flag.
3726         * varpool.c: Do not include gt-varpool.h
3727         (x_varpool_nodes_queue, x_varpool_last_needed_node,
3728         x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
3729         x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
3730         Remove.
3731         (varpool_remove_node): Do not update the lists.
3732         (dump_varpool_node): Do not dump needed flag.
3733         (varpool_enqueue_needed_node): Remove.
3734         (varpool_mark_needed_node): Remove.
3735         (varpool_reset_queue): Remove.
3736         (varpool_finalize_decl): Move to cgraphunit.c
3737         (varpool_analyze_node): New functions based on former
3738         varpool_analyze_pending_decls.
3739         (varpool_analyze_pending_decls): Remove.
3740         (varpool_assemble_decl): Do not update the lists.
3741         (enqueue_node): New function.
3742         (varpool_remove_unreferenced_decls): Rewrite.
3743         (varpool_empty_needed_queue): Remove.
3744         (add_new_static_var): Do not mark node as needed.
3745         (varpool_create_variable_alias): Handle expansion state
3746         creation.
3747         * except.c (output_ttype): Do not mark node as needed.
3748         * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
3749         * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
3750         Likewise.
3751         * tree-switch-conversion.c (build_one_array): Likewise.
3753 2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3755         PR c/44774
3756         * doc/invoke.texi (pedantic): Rename to Wpedantic.
3757         * common.opt (Wpedantic): New.
3758         (pedantic): Alias Wpedantic.
3759         * diagnostic.c (warning_at): Likewise.
3760         * c-decl.c (diagnose_mismatched_decls): Likewise.
3761         (build_array_declarator): Likewise.
3762         (mark_forward_parm_decls):
3763         (check_bitfield_type_and_width): Likewise.
3764         (grokdeclarator): Likewise.
3765         (grokfield): Likewise.
3766         (finish_struct): Likewise.
3767         (build_enumerator): Likewise.
3768         (store_parm_decls_oldstyle): Likewise.
3769         (declspecs_add_qual): Likewise.
3770         (declspecs_add_type): Likewise.
3771         (finish_declspecs): Likewise.
3772         * c-typeck.c (composite_type): Likewise.
3773         (comp_target_types): Likewise.
3774         (build_array_ref): Likewise.
3775         (pointer_diff): Likewise.
3776         (build_unary_op): Likewise.
3777         (build_conditional_expr): Likewise.
3778         (build_c_cast): Likewise.
3779         (convert_for_assignment): Likewise.
3780         (maybe_warn_string_init): Likewise.
3781         (digest_init): Likewise.
3782         (pop_init_level): Likewise.
3783         (set_init_index): Likewise.
3784         (c_finish_goto_label): Likewise.
3785         (c_finish_return): Likewise.
3786         (do_case): Likewise.
3787         (build_binary_op): Likewise.
3788         * c-parser.c (static): Likewise.
3789         (c_parser_external_declaration): Likewise.
3790         (c_parser_declaration_or_fndef): Likewise.
3791         (c_parser_static_assert_declaration_no_se): Likewise.
3792         (c_parser_enum_specifier): Likewise.
3793         (c_parser_struct_or_union_specifier): Likewise.
3794         (c_parser_struct_declaration): Likewise.
3795         (c_parser_alignas_specifier): Likewise.
3796         (c_parser_braced_init): Likewise.
3797         (c_parser_initelt): Likewise.
3798         (c_parser_compound_statement_nostart): Likewise.
3799         (c_parser_conditional_expression): Likewise.
3800         (c_parser_alignof_expression): Likewise.
3801         (c_parser_postfix_expression): Likewise.
3802         (c_parser_postfix_expression_after_paren_): Likewise.
3803         (c_parser_objc_class_instance_variables): Likewise.
3804         (c_parser_objc_method_definition): Likewise.
3805         (c_parser_objc_methodprotolist): Likewise.
3807 2012-04-22  Ian Lance Taylor  <iant@google.com>
3809         * godump.c (go_output_typedef): Dump size of structs.
3811 2012-04-22  Razya Ladelsky  <razya@il.ibm.com>
3813         Correcting transform_to_exit_first_loop + fix to PR46886
3814         * tree-parloops.c (transform_to_exit_first_loop): Remove
3815         setting of number of iterations according to the loop pattern.
3816         Duplicate from entry to exit->src instead of loop->latch.
3817         (pallelize_loops): Remove the condition preventing do-while loops.
3818         * tree-cfg.c (bool bb_in_region_p): New.
3819         (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
3820         Adjust redirection of the duplicated iteration.
3822 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
3824         PR bootstrap/53021
3825         * rtl.def (ADDRESS): Use "i" rather than "w".
3826         * rtl.h (find_base_term): Delete.
3827         (may_be_sp_based_p): Declare.
3828         * rtl.c (rtx_code_size): Remove ADDRESS special case.
3829         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
3830         (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
3831         * alias.c: ...here.
3832         (find_base_term): Make static.
3833         (may_be_sp_based_p): New function.
3834         * dse.c (record_store): Use it.
3835         * store-motion.c (store_killed_in_insn): Likewise.
3837 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
3839         * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
3841 2012-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3843         PR 35441
3844         * c-typeck.c (inform_declaration): New.
3845         (build_function_call_vec):  Do not pretty-print
3846         expressions when caret is enabled.
3847         (convert_arguments): Use inform_declaration.
3849 2012-04-20  Jim Meyering  <meyering@redhat.com>
3851         * genmodes.c (make_complex_modes): Don't truncate a mode name of
3852         length 7 or more when prepending a "C".  Suggested by Richard Guenther.
3854 2012-04-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3856         PR rtl-optimization/44214
3857         * fold-const.c (exact_inverse): New function.
3858         (fold_binary_loc): Fold vector and complex division by constant into
3859         multiply by recripocal with flag_reciprocal_math; fold vector division
3860         by constant into multiply by reciprocal with exact inverse.
3862 2012-04-20  Jan Hubicka  <jh@suse.cz>
3864         * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
3865         force flags.
3866         * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
3867         (cgraph_remove_node): Update.
3868         (cgraph_mark_needed_node): Remove.
3869         (cgraph_mark_force_output_node): New.
3870         (dump_cgraph_node): Do not dump needed flag.
3871         (cgraph_node_cannot_be_local_p_1): Update.
3872         (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
3873         * cgraph.h (symtab_node_base): Add force_output flag.
3874         (cgraph_node): Remove needed flag.
3875         (varpool_node): Remove force_output flag.
3876         (cgraph_mark_needed_node): Remove.
3877         (cgraph_mark_force_output_node): New.
3878         (cgraph_only_called_directly_or_aliased_p,
3879         varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
3880         * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
3881         * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
3882         (cgraph_add_new_function): Update.
3883         (cgraph_mark_if_needed): Update.
3884         (verify_cgraph_node): Update.
3885         (cgraph_analyze_function): Alias target is reachable.
3886         (process_function_and_variable_attributes): Update: externally_visible
3887         flag makes function reachable.
3888         (cgraph_analyze_functions): Update dumping.
3889         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
3890         input_overwrite_node, input_varpool_node): Update streaming.
3891         * lto-streamer-out.c (produce_symtab): Use force_output.
3892         * ipa.c (process_references): Weakrefs must be processed.
3893         (cgraph_remove_unreachable_nodes): Likewise; update for new
3894         force_output flag.
3895         (varpool_externally_visible_p): Weakrefs are externally visible
3896         even if they are not.
3897         (function_and_variable_visibility): Update; when processing alias
3898         pair force the targets to be output.
3899         (whole_program_function_and_variable_visility): Use
3900         mark_reachable_node.
3901         * trans-mem.c (ipa_tm_mark_needed_node): Remove
3902         (ipa_tm_mark_force_output_node): New function.
3903         (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
3904         * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
3905         aliases.
3906         * varasm.c (mark_decl_referenced): Update.
3907         (find_decl_and_mark_needed): Remove.
3908         (find_decl): New function.
3909         (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
3910         alias targets as needed.
3911         (dump_tm_clone_pairs): Update.
3912         * tree-inline.c (copy_bb): Update check.
3913         * symtab.c (dump_symtab_base): Dump force_output.
3914         * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
3915         * passes.c (execute_todo): Fix dumping.
3916         * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
3917         (varpool_analyze_pending_decls): Alias target is reachable.
3918         (varpool_create_variable_alias): Finalize weakrefs.
3920 2012-04-20  Jakub Jelinek  <jakub@redhat.com>
3922         PR bootstrap/53021
3923         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
3924         UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
3925         * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
3926         macros instead of constants.
3927         * dse.c (record_store): Check for SP ADDRESS by comparing
3928         XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
3929         XEXP to be stack_pointer_rtx.
3931 2012-04-20  Richard Guenther  <rguenther@suse.de>
3933         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
3934         update_call_from_tree when propagating into a call.
3936 2012-04-20  Alan Modra  <amodra@gmail.com>
3938         * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
3939         (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.  Rename
3940         sp_offset to frame_off.  Move world save code earlier.
3942 2012-04-20  Richard Guenther  <rguenther@suse.de>
3944         PR tree-optimization/53050
3945         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
3946         Do only one transform on COND_EXPRs at the same time.
3948 2012-04-19  Jan Hubicka  <jh@suse.cz>
3950         * symtab.c (dump_symtab_base): Revert accidental checkin.
3952 2012-04-20  Alan Modra  <amodra@gmail.com>
3954         PR target/53040
3955         * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
3956         static chain, set REST_INLINE_FPRS too.
3958 2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>
3960         * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
3961         nodes.
3963 2012-04-20  Richard Guenther  <rguenther@suse.de>
3965         * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
3966         loops that can never run more often than the vectorization factor.
3968 2012-04-19  Jan Hubicka  <jh@suse.cz>
3970         * symtab.c (dump_symtab_base): Fix dumping of asm lists.
3972 2012-04-19  David Edelsohn  <dje.gcc@gmail.com>
3974         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
3976 2012-04-19  Jim Meyering  <meyering@redhat.com>
3978         * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
3979         We verified above that the string(including trailing NUL) fits in buf,
3980         so just use memcpy.
3982 2012-04-19  Richard Guenther  <rguenther@suse.de>
3984         * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
3985         for dumping DECL_SECTION_NAME.
3987 2012-04-19  Michael Matz  <matz@suse.de>
3989         PR middle-end/52977
3990         * tree.h (VECTOR_CST_NELTS): Use part number of types again.
3991         (struct tree_vector): Adjust GTY length.
3992         * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
3994         * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
3995         members.
3996         (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
3997         caller emitted the length calulation already.
3998         (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
3999         before handling any of the fields for structs.
4001 2012-04-19  Richard Guenther  <rguenther@suse.de>
4003         PR tree-optimization/53031
4004         * tree-vrp.c (adjust_range_with_scev): Revert back to
4005         using max_loop_iterations.
4007 2012-04-19  Michael Matz  <matz@suse.de>
4009         * diagnostic.c (emit_diagnostic): Move va_end call after user
4010         of the va_list.
4011         (warning, warning_at, pedwarn, permerror): Ditto.
4013 2012-04-19  Richard Guenther  <rguenther@suse.de>
4015         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
4016         array access.
4018 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
4020         PR target/53033
4021         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
4022         the case *(X+const).
4024 2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4026         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
4028 2012-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4030         PR c/52283/37985
4031         * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
4032         * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
4034 2012-04-19  Richard Guenther  <rguenther@suse.de>
4036         PR rtl-optimization/44688
4037         * loop-iv.c (determine_max_iter): Only return max_iter.
4038         (iv_number_of_iterations): Also use the recorded loop bound
4039         on the maximum number of iterations.
4040         * loop-unroll.c (decide_unroll_runtime_iterations): Use
4041         max_iter to avoid unrolling loops that do not roll.
4042         (decide_unroll_stupid): Likewise.
4044 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
4046         * targhooks.c (default_case_values_threshold): Fix code style nit.
4048         * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
4049         case range and type folding from here...
4050         * gimplify.c (gimplify_switch_expr): ... to here.  Expect NULL_TREE
4051         type, as documented in tree.def.
4053 2012-04-18  Jan Hubicka  <jh@suse.cz>
4055         * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
4056         Declare.
4057         * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
4058         cgraph hash and same comdat groups.
4059         (cgraph_optimize): Verify symbol table.
4060         * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
4061         (dissolve_same_comdat_group_list): Work on symtab nodes.
4062         (function_and_variable_visibility): Dissolve variable same comdat group
4063         lists, too.
4064         * symtab.c: Include timevar.h
4065         (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
4067 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
4069         * tree-switch-conversion.c (info): Remove global pass info.
4070         (check_range, check_process_case, check_final_bb, create_temp_arrays,
4071         free_temp_arrays, gather_default_values, build_constructors,
4072         array_value_type, build_one_array, build_arrays, gen_def_assigns,
4073         fix_phi_nodes, gen_inbound_check): Pass info around from ...
4074         (process_switch): ... here.  Unify message format.  Return a const
4075         char pointer to the failure reason message.
4076         (do_switchconv): Unify message format.  Update process_switch usage.
4078         * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
4079         * tree-cfg.c (edge_to_cases): Fix documentation.
4081 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
4083         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
4085 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4087         PR tree-optimization/52976
4088         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
4089         (possibly_move_powi): New function.
4090         (rewrite_expr_tree): Call possibly_move_powi.
4091         (rewrite_expr_tree_parallel): Likewise.
4092         (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
4093         call add_to_ops_vec instead.
4095 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4097         PR tree-optimization/52976
4098         * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
4099         (decrement_power): Likewise.
4100         (propagate_op_to_single_use): Likewise.
4101         (zero_one_operation): Handle __builtin_pow* calls in linearized
4102         expression trees; factor logic into propagate_op_to_single_use.
4103         (undistribute_ops_list): Allow operands with repeat counts > 1.
4105 2012-04-18  Richard Guenther  <rguenther@suse.de>
4107         PR tree-optimization/44688
4108         * cfgloop.h (record_niter_bound): Declare.
4109         * tree-ssa-loop-niter.c (record_niter_bound): Export.
4110         Update the estimation with the upper bound here...
4111         (estimate_numbers_of_iterations_loop): ... instead of here.
4112         Do not forcefully reset a recorded upper bound.
4113         * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
4114         Record the maximum number of loop iterations of the prologue loop.
4116 2012-04-18  Jan Hubicka  <jh@suse.cz>
4118         * lto-symtab.c (lto_cgraph_replace_node): Update.
4119         * cgraphbuild.c (record_reference, record_type_list,
4120         record_eh_tables, mark_address, mark_load, mark_store): Update.
4121         * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
4122         cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
4123         Update.
4124         * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
4125         (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
4126         * reload.c: Fix typo in comment.
4127         * rtlanal.c: Likewise.
4128         * tree-emultls.c (gen_emutls_addr): Update.
4129         * ipa-reference.c (analyze_function): Update.
4130         * cgraphunit.c (cgraph_analyze_function,
4131         cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
4132         Update.
4133         * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
4134         (ipa_remove_reference): Likewise.
4135         (ipa_remove_all_refering): Rename to ...
4136         (ipa_remove_all_referring): ... this one; update.
4137         (ipa_dump_references): Update.
4138         (ipa_dump_referring): Update.
4139         (ipa_clone_references): Update.
4140         (ipa_clone_refering): Rename to ...
4141         (ipa_clone_referring): ... this one; update.
4142         (ipa_ref_cannot_lead_to_return): Update.
4143         (ipa_ref_has_aliases_p): Update.
4144         * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
4145         forward typedefs.
4146         (ipa_ref_type): Remove.
4147         (ipa_ref_ptr_u): Remove.
4148         (ipa_ref): Remove referencing, refered, refered_index, refering_type
4149         and refered_type; add referring, referred and referred_index.
4150         (ipa_ref_list): Rename refering to referring.
4151         (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
4152         ipa_clone_references, ipa_clone_referring): Update prototypes.
4153         * lto-cgraph.c (referenced_from_other_partition_p): Update.
4154         (lto_output_ref): Update.
4155         (add_references): Update.
4156         (input_varpool_node): Update.
4157         (input_refs): Update.
4158         * ipa-ref-inline.h (ipa_ref_node): Update.
4159         (ipa_ref_varpool_node): Update.
4160         (ipa_ref_referring_node): Update.
4161         (ipa_ref_referring_varpool_node): Update.
4162         (ipa_ref_referring_ref_list): Update.
4163         (ipa_ref_referred_ref_list): Update.
4164         (ipa_ref_list_first_referring): Update.
4165         (ipa_empty_ref_list): Update.
4166         (ipa_ref_list_refering_iterate): Rename to ...
4167         (ipa_ref_list_referring_iterate): ... this one.
4168         * cse.c: Update comment.
4169         * ipa-utils.c (ipa_reverse_postorder): Update.
4170         * tree-ssa-alias.c: Update.
4171         * ipa-inline.c (reset_edge_caches): Update.
4172         (update_caller_keys): Update.
4173         * ipa-inline.h: Update comments.
4174         * jump.c: Update comment.
4175         * alias.c: Likewise.
4176         * ipa.c (process_references): Update.
4177         (cgraph_remove_unreachable_nodes): Likewise.
4178         (ipa_discover_readonly_nonaddressable_var): Likewise.
4179         (cgraph_address_taken_from_non_vtable_p): Likewise.
4180         * trans-mem.c (ipa_tm_execute): Update.
4181         * simplify-rtx.c: Fix comment.
4182         * rtl.c: Fix comment.
4183         * symtab.c (symtab_unregister_node): Update.
4184         * varpool.c (dump_varpool_node): Update.
4185         (varpool_analyze_pending_decls): Update.
4186         (assemble_aliases): Update.
4187         (varpool_for_node_and_aliases): Update.
4189 2012-04-18  Richard Guenther  <rguenther@suse.de>
4191         * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
4192         use_undefined_p parameter.
4193         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
4194         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
4195         Likewise.
4196         (estimate_numbers_of_iterations): Likewise.
4197         (estimated_loop_iterations): Adjust.
4198         (max_loop_iterations): Likewise.
4199         (scev_probably_wraps_p): Likewise.
4200         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
4201         * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
4202         not max_loop_iterations.
4203         (execute_vrp): Remove explicit number of iterations estimation.
4205 2012-04-18  Enkovich Ilya  <ilya.enkovich@intel.com>
4207         * config/i386/linux-common.h: New.
4209         * config.gcc: Add i386/linux-common.h before
4210         all i386/linux.h and i386/linux64.h usages.
4212         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
4213         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
4214         * config/i386/gnu-user64.h: Likewise.
4216         * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
4217         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
4218         (GNU_USER_TARGET_MATHFILE_SPEC): New.
4219         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
4221 2012-04-18  Jan Hubicka  <jh@suse.cz>
4223         * cgraph.c (cgraph_node_name): Remove.
4224         (dump_cgraph_node): Use dump_symtab_base; reformat.
4225         * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
4226         debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
4227         Declare.
4228         (cgraph_node_name, varpool_node_name): Remove.
4229         (cgraph_node_asm_name, varpool_node_asm_name,
4230         cgraph_node_name, varpool_node_name): New.
4231         * tree-pass.h (TODO_dump_cgraph): Rename to ...
4232         (TODO_dump_symtab): ... this one.
4233         * ipa-cp (pass_ipa_cp): Update.
4234         * ia-reference.c (generate_summary, read_write_all_from_decl,
4235         propagate, ipa_reference_read_optimization_summary): Update.
4236         * cgraphunit.c (cgraph_analyze_functions): Update.
4237         (cgraph_optimize): Update.
4238         * ipa-ref.c (ipa_dump_references): Update.
4239         (ipa_dump_refering): Update.
4240         * ipa-inline.c (pass_ipa_inline): Update.
4241         * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
4242         * ipa.c (pass_ipa_function_visibility,
4243         pass_ipa_whole_program_visibility): Update.
4244         * tree-sra.c (pass_early_ipa_sra): Update.
4245         * symtab.c: Include langhooks.h
4246         (symtab_node_asm_name): New.
4247         (symtab_node_name): New.
4248         (symtab_type_names): New static var.
4249         (dump_symtab_base): New.
4250         (dump_symtab_node, dump_symtab): New.
4251         (debug_symtab_node,  debug_symtab): New.
4252         * tree-ssa-structalias.c: Dump symbol table.
4253         * pases.c (execute_todo): Handle TODO_dump_symtab instead
4254         of TODO_dump_cgraph.
4255         * varpoo.c (varpool_node_name): Remove.
4256         (dump_varpool_node): Use dump_symtab_base; reformat.
4258 2012-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4260         * doc/invoke.texi (Language Independent Options): @item should be
4261         before @opindex.
4263 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
4265         PR bootstrap/53021
4266         * rtl.c (rtx_code_size): Handle ADDRESS.
4268 2012-04-17  Tom de Vries  <tom@codesourcery.com>
4270         * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
4271         is not a STMT_LIST.
4273 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
4275         PR target/53020
4276         * config/i386/sync.md (atomic_<code><mode>): Rename to
4277         atomic_<logic><mode>.
4279 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
4281         * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
4282         * alias.c (reg_base_value): Expand and update comment.
4283         (arg_base_value): New variable.
4284         (unique_id): Move up file.
4285         (unique_base_value, unique_base_value_p, known_base_value_p): New.
4286         (find_base_value): Use arg_base_value and known_base_value_p.
4287         (record_set): Document REG_NOALIAS handling.  Use unique_base_value.
4288         (find_base_term): Use known_base_value_p.
4289         (base_alias_check): Use unique_base_value_p.
4290         (init_alias_target): Initialize arg_base_value.  Use unique_base_value.
4291         (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
4293 2012-04-17  Pat Haugen <pthaugen@us.ibm.com>
4295         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
4297 2012-04-17  Michael Matz  <matz@suse.de>
4299         PR tree-optimization/18437
4300         * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
4301         (STMT_VINFO_STRIDE_LOAD_P): New accessor.
4302         (vect_check_strided_load): Declare.
4303         * tree-vect-data-refs.c (vect_check_strided_load): New function.
4304         (vect_analyze_data_refs): Use it to accept strided loads.
4305         * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
4307 2012-04-17  Richard Guenther  <rguenther@suse.de>
4309         PR middle-end/53011
4310         * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
4311         loops when redirecting an entry or latch edge.
4313 2012-04-17  Bernd Schmidt  <bernds@codesourcery.com>
4315         * sel-sched.c (sel_global_init): Revert previous change.
4317 2012-04-17  Richard Guenther  <rguenther@suse.de>
4319         * tree-flow.h (array_at_struct_end_p): Move declaration ...
4320         * tree.h (array_at_struct_end_p): ... here.
4321         * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
4322         * expr.c (array_at_struct_end_p): ... here.  Rewrite.
4324 2012-04-17  Steven Bosscher  <steven@gcc.gnu.org>
4326         * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
4327         COST_TABLE): Remove.
4328         (estimate_case_costs): Remove.
4329         (expand_case): Do not call estimate_case_costs
4330         to set use_cost_table.
4331         (balance_case_nodes): Do not use use_cost_table.
4333 2012-04-16  Jan Hubicka  <jh@suse.cz>
4335         * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
4336         (hash_node, eq_node): Remove.
4337         (cgraph_create_node): Do not handle hashtable.
4338         (cgraph_get_node): Remove.
4339         (cgraph_insert_node_to_hashtable): Remove.
4340         (hash_node_by_assembler_name): Remove.
4341         (eq_assembler_name): Remove.
4342         (cgraph_node_for_asm): Rewrite.
4343         (cgraph_find_replacement_node): Break out from ...
4344         (cgraph_remove_node): ... here; do not maintain hashtables.
4345         (change_decl_assembler_name): Remove.
4346         (cgraph_clone_node): Do not maintain hashtables.
4347         * cgraph.h (const_symtab_node): New typedef.
4348         (cgraph_insert_node_to_hashtable): Remove.
4349         (symtab_get_node, symtab_node_for_asm,
4350         symtab_insert_node_to_hashtable): Declare.
4351         (cgraph_find_replacement_node): Declare.
4352         (cgraph_get_node, varpool_get_node): Turn into inlines.
4353         (cgraph, varpool): Work sanely on NULL pointers.
4354         (FOR_EACH_SYMBOL): New walker.
4355         * ipa-inline-transform.c (save_inline_function_body): Use
4356         symtab_insert_node_to_hashtable.
4357         * symtab.c: Include ggc.h and diagnostics.h
4358         (symtab_hash, assembler_name_hash): New static vars;
4359         (hash_node, eq_node, hash_node_by_assembler_name,
4360         eq_assembler_name, insert_to_assembler_name_hash,
4361         unlink_from_assembler_name_hash): New.
4362         (symtab_register_node): Update hashtables.
4363         (symtab_insert_node_to_hashtable): New.
4364         (symtab_unregister_node): Update hashtables.
4365         (symtab_get_node): New.
4366         (symtab_node_for_asm): New.
4367         (change_decl_assembler_name): New.
4368         * Makefile.in (symtab.o): Needs GTY.
4369         * varpool.c (varpool_hash): Remove.
4370         (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
4371         (varpool_node): Rewrite using varpool_get_node.
4372         (varpool_remove_node): DO not maintain hashtables.
4373         (varpool_node_for_asm): Rewrite.
4375 2012-04-16  Sandra Loosemore  <sandra@codesourcery.com>
4377         * doc/invoke.texi:  Copy-edit to put verbs in the present tense
4378         when describing the current behavior of GCC.
4380 2012-04-16  Richard Sandiford  <rdsandiford@googlemail.com>
4382         * genemit.c (gen_exp): Remove ADDRESS handling.
4383         * genoutput.c (scan_operands): Likewise.
4384         * genpeep.c (match_rtx): Likewise.
4385         * genrecog.c (add_to_sequence): Likewise.
4387 2012-04-16  David Edelsohn  <dje.gcc@gmail.com>
4389         * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
4391 2012-04-16  Martin Jambor  <mjambor@suse.cz>
4393         * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
4394         bit-fields.
4396 2012-04-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
4398         PR target/51819
4399         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
4400         hints for 'A' operand types.
4402 2012-04-16  Jan Hubicka  <jh@suse.cz>
4404         * cgraph.h (symtab_node_base): Add next and previous pointers.
4405         (cgraph_node): Remove next and preivous pointers.
4406         (varpool_node): Likewise; remove next/previous GTY marker;
4407         it is not type safe.
4408         (symtab_node_def): Update GTY marker
4409         (x_cgraph_nodes, cgraph_nodes): Remove.
4410         (symtab_nodes): New function.
4411         (cgraph_order): Rename to ...
4412         (symtab_order): ... this one.
4413         (symtab_register_node, symtab_unregister_node, symtab_remove_node):
4414         Declare.
4415         (x_varpool_nodes, varpool_nodes): Remove.
4416         (FOR_EACH_STATIC_VARIABLE): Update.
4417         (symtab_function_p, symtab_variable_p): New function.
4418         (FOR_EACH_VARIABLE): Update.
4419         (varpool_first_variable, varpool_next_variable): New functions.
4420         (FOR_EACH_VARIABLE): Update.
4421         (cgraph_first_defined_function): Update.
4422         (cgraph_next_defined_function, cgraph_next_defined_function): Update.
4423         (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
4424         (cgraph_first_function, cgraph_next_function): New.
4425         (FOR_EACH_FUNCTION): Update.
4426         (cgraph_first_function_with_gimple_body,
4427         cgraph_next_function_with_gimple_body): Update.
4428         * symtab.c: New file.
4429         * cgraph.c: Update copyright dates.
4430         (x_cgraph_nodes, cgraph_order): Remove.
4431         (NEXT_FREE_NODE): Update.
4432         (SET_NEXT_FREE_NODE): New.
4433         (cgraph_create_node_1): Remove common code.
4434         (cgraph_create_node): Remove common code; call symtab_register_node.
4435         (cgraph_remove_node): Remove common code; call symtab_unregister-node.
4436         (cgraph_add_asm_node): Update.
4437         (cgraph_clone_node): Register new node.
4438         * cgraphunit.c (process_function_and_variable_attributes): Update.
4439         (cgraph_analyze_functions): Update.
4440         (cgraph_analyze_functions): Update.
4441         (cgraph_output_in_order): Update.
4442         * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
4443         Update.
4444         * ipa-inline.c (recursive_inlining): Update.
4445         * lto-streamer-in.c (lto_input_toplevel_asms): Update.
4446         * ipa.c (cgraph_remove_unreachable_nodes): Update.
4447         * Makefile.in: Add symtab.o
4448         * varpool.c (x_varpool_nodes): Remove
4449         (varpool_node): Remove common code; call symtab_register_node.
4450         (varpool_remove_node): Remove common code; call symtab_unregister_node.
4452 2012-04-16  Richard Guenther  <rguenther@suse.de>
4454         PR middle-end/52977
4455         * tree.h (VECTOR_CST_NELTS): Adjust.
4456         (struct tree_vector): Add explicit length field.
4457         (make_vector_stat): Declare.
4458         (make_vector): Define.
4459         * tree.c (make_vector_stat): New function.
4460         (build_vector_stat): Use it.
4461         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
4463 2012-04-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4465         PR tree-optimization/52976
4466         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
4467         (undistribute_ops_list): Ops with repeat counts aren't eligible for
4468         undistribution.
4469         (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
4471 2012-04-16  Jan Hubicka  <jh@suse.cz>
4473         * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
4474         New macros.
4475         * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
4476         walkers to walk cgraph and varpool.
4477         * cgraph.c (cgraph_node_for_asm): Likewise.
4478         (dump_cgraph): Likewise.
4479         * value-prof.c (init_node_map): Likewise.
4480         * tree.c (free_lang_data_in_cgraph): Likewise.
4481         * tree-emutls.c: (ipa_lower_emutls): Likewise.
4482         * ipa-reference.c (generate_summary, propagate): Likewise.
4483         * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
4484         cgraph_mark_functions_to_output, cgraph_output_in_order,
4485         output_weakrefs, cgraph_materialize_all_clones,
4486         cgraph_optimize): Likewise.
4487         * lto-cgraph.c (merge_profile_summaries): Likewise.
4488         (input_cgraph): Likewise.
4489         * ipa-pure-const.c (generate_summary): Likewise.
4490         (propagate): Likwise.
4491         * ipa-utils.c (ipa_reduced_postorder): Likewise.
4492         (ipa_free_postorder_info): Likewise.
4493         (ipa_reverse_postorder): Likewise.
4494         * ipa-inline.c (ipa_inline): Likewise.
4495         * matrix-reorg.c (find_matrices_decl): Likewise.
4496         (matrix_reorg): Likewise.
4497         * tree-vectorizer.c (increase_alignment): Likewise.
4498         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4499         (function_and_variable_visibility): Likewise.
4500         (whole_program_function_and_variable_visibility): Likewise.
4501         (ipa_cdtor_merge): Likewise.
4502         * trans-mem.c (ipa_tm_execute): Likewise.
4503         * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
4504         * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
4505         (ipa_print_all_params): Likewise.
4506         (ipa_update_after_lto_read): Likewise.
4507         * tree-profie.c (tree_profiling): Likewise.
4508         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
4509         * passes.c (dump_passes): Likewise.
4510         (do_per_function): Likewise.
4511         (ipa_write_summaries): Likewise.
4512         * varpool.c (dump_varpool): Likewise.
4513         (varpool_node_for_asm): Likewise.
4514         (varpool_assemble_pending_decls): Likewise.
4516 2012-04-16  Richard Guenther  <rguenther@suse.de>
4518         PR tree-optimization/52975
4519         * tree-if-conv.c (predicate_bbs): Do not simplify inverted
4520         condition but always mark it with TRUTH_NOT_EXPR.
4522 2012-04-16  Richard Guenther  <rguenther@suse.de>
4524         PR tree-optimization/52975
4525         * tree-ssa-forwprop.c (combine_cond_exprs): New function.
4526         (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
4527         and VEC_COND_EXPRs.  Also combine into VEC_COND_EXPRs condition.
4528         * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
4530 2012-04-14  Uros Bizjak  <ubizjak@gmail.com>
4532         * config/i386/sse.md (ssse3_plusminus): New code iterator.
4533         (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
4534         avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
4535         (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
4536         ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
4537         (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
4538         ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
4540         (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
4541         avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
4542         (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
4543         ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
4544         (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
4545         ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
4547         (xop_plus): New code iterator.
4548         (macs): New code attribute.
4549         (macds): Ditto.
4550         (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
4551         xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
4552         iterator.
4553         (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
4554         xop_plus code iterator.
4555         (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
4556         xop_plus code iterator.
4557         (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
4558         xop_plus code iterator.
4559         (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
4560         xop_plus code iterator.
4562         (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
4563         any_extend code iterator.
4564         (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
4565         any_extend code iterator.
4566         (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
4567         any_extend code iterator.
4568         (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
4569         any_extend code iterator.
4570         (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
4571         any_extend code iterator.
4572         (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
4573         any_extend code iterator.
4575 2012-04-14  Tom de Vries  <tom@codesourcery.com>
4577         * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
4578         call to delete_insn.  Remove code to reorder BASIC_BLOCK note and
4579         DELETED_LABEL note, and move it to ...
4580         * cfgrtl.c (delete_insn): ... here.  Change return type to void.
4581         (delete_insn_and_edges): Likewise.
4582         (delete_insn_chain): Handle new return type of delete_insn.  Delete
4583         chain backwards rather than forwards.
4584         * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
4585         void.
4586         * cfglayout.c (fixup_reorder_chain): Delete unused label.
4588 2012-04-14  Jan Hubicka  <jh@suse.cz>
4590         * cgraph.h: Update copyrights;
4591         (symtab_node): Turn to union typedef.
4592         (symtab_node_base): New structure.
4593         (symtab_type): Add SYMTAB_SYMBOL tag.
4594         (cgraph_node): Annotate some pinters with nested_ptr.
4595         (varpool_node): Likewise.
4596         (cgraph_local_info): Remove lto_file_data
4597         and externally_visible.
4598         (cgraph_node): Remove decl; same_comdat_group list;
4599         aux; ref_list; order; address_taken; reachable_from_other_parittion,
4600         in_other_partition; resolution.
4601         (varpool_node): Remove decl; same_comdat_group;
4602         ref_list; lto_file_data; aux; order; resolution; externally_visible;
4603         used_from_other_partition; in_other_partition.
4604         (symtab_node_def): New union.
4605         (cgraph, varpool): Update.
4606         (varpool_first_static_initializer, varpool_next_static_initializer,
4607         cgraph_only_called_directly_or_aliased_p,
4608         varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
4609         varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
4610         varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
4611         field references.
4612         * cgraph.c: Likewise.
4613         (cgraph_hash, assembler_name_hash): Turn into symtab_node.
4614         * cgraphbuild.c: Likewise.
4615         * lto-symtab.c: Likewise.
4616         * c-gimplify.c: Likewise.
4617         * value-prof.c: Likewise.
4618         * tree.c: Likewise.
4619         * ipa-cp.c: Likewise.
4620         * tree-emutls.c: Likewise.
4621         * ipa-inline-transform.c: Likwise.
4622         * ipa-reference.c: Likewise.
4623         * cgraphunit.c: Likewise.
4624         * ipa-ref.c: Likewise.
4625         * lto-cgraph.c: Likewise.
4626         * ipa-ref-inline.h: Likewise.
4627         * ipa-pure-const.c: Likewise.
4628         * lto-streamer-out.c: Likewise.
4629         * ipa-utils.c: Likewise.
4630         * ipa-inline.c: Likewise.
4631         * matrix-reorg.c: Likewise.
4632         * tree-eh.c: Likewise.
4633         * tree-vectorizer.c: Likewise.
4634         * ipa-split.c: Likewise.
4635         * ipa.c: Likewise.
4636         * trans-mem.c: Likewise.
4637         * ipa-inline-analysis.c: Likewise.
4638         * gimplify.c: Likewise.
4639         * cfgexpand.c: Likewise.
4640         * tree-sra.c: Likewise.
4641         * ipa-prop.c: Likewise.
4642         * varasm.c: Likewise.
4643         * tree-nested.c: Likewise.
4644         * tree-inline.c: Likewise.
4645         * tree-profile.c: Likewise.
4646         * tree-ssa-structalias.c: Likewise.
4647         * passes.c: Likewise.
4648         * varpool.c: Likewise.
4650 2012-04-14  Tom de Vries  <tom@codesourcery.com>
4652         * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
4653         same_succ_hash, with local_def inlined.  Use SINGLE_SSA_DEF_OPERAND.
4654         Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.  Remove use
4655         of find_edge.
4656         (gsi_advance_fw_nondebug_nonlocal): New function.
4657         (local_def): Removed function.
4658         (same_succ_hash): Use stmt_local_def.
4659         (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
4660         (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
4662 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
4664         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
4665         and __ILP32__ for x32.
4667 2012-04-13  Martin Jambor  <mjambor@suse.cz>
4669         PR middle-end/52939
4670         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
4671         fold_ctor_reference returns a zero constant.
4673 2012-04-13  Enkovich Ilya  <ilya.enkovich@intel.com>
4675         * config.gcc: Add i386/gnu-user-common.h before all
4676         i386/gnu-user.h and i386/gnu-user64.h usages.
4678         * config/i386/gnu-user-common.h: New.
4680         * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
4681         (CC1_SPEC): Likewise.
4682         (ENDFILE_SPEC): Likewise.
4683         (DEFAULT_PCC_STRUCT_RETURN): Likewise.
4684         (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
4685         (TARGET_OS_CPP_BUILTINS): Likewise.
4686         (LIBGCC2_HAS_TF_MODE): Likewise.
4687         (LIBGCC2_TF_CEXT): Likewise.
4688         (TF_SIZE): Likewise.
4689         (TARGET_ASM_FILE_END): Likewise.
4690         (STACK_CHECK_MOVING_SP): Likewise.
4691         (STACK_CHECK_STATIC_BUILTIN): Likewise.
4692         * config/i386/gnu-user64.h: Likewise.
4694 2012-04-13  Martin Jambor  <mjambor@suse.cz>
4696         * expr.c (expand_expr_real_1): Pass type, not the expression, to
4697         set_mem_attributes for a memory temporary. Do not call the function
4698         for the memory temporary created for a bitfield.
4700 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
4702         PR debug/48866
4703         * df.h (enum debug_temp_where): New.
4704         (dead_debug_init, dead_debug_finish) Declare.
4705         (dead_debug_add, dead_debug_insert_temp): Declare.
4706         (struct dead_debug_use, struct dead_debug): Moved from...
4707         * df-problems.c: ... here.
4708         (df_set_unused_notes_for_mw): Bind debug uses of unused regno
4709         to a debug temp.
4710         (df_create_unused_note): Likewise.
4711         (df_set_dead_notes_for_mw): Move comment where it belongs.
4712         (dead_debug_init): Export.
4713         (dead_debug_reset_uses): New, factored out of...
4714         (dead_debug_finish): ...this.  Export.
4715         (dead_debug_reset): Remove.
4716         (dead_debug_add): Export.
4717         (dead_debug_insert_before): Rename to...
4718         (dead_debug_insert_temp): ... this.  Add where argument.  Export.
4719         Locate stored value for BEFORE_WITH_VALUE.  Avoid repeat inserts.
4720         Return insertion count.
4721         (df_note_bb_compute): Adjust.
4722         * dce.c (word_dce_process_block): Adjust dead debug uses.
4723         (dce_process_block): Likewise.
4725 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
4727         * df-problems.c (df_note_bb_compute): Do not take note of
4728         debug uses for whose REGs we won't emit DEAD or UNUSED notes.
4730 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
4732         PR debug/51570
4733         * var-tracking.c (expand_depth): New type.
4734         (onepart_aux, expand_loc_callback_data): Change depth type to it.
4735         (loc_exp_dep_alloc): Adjust initializer.
4736         (update_depth): Use new type.  Add entryvals.
4737         (vt_expand_var_loc_chain): Take note of expansions with
4738         ENTRY_VALUEs, but don't accept them right away.  Run an optional
4739         second pass accepting the minimum ENTRY_VALUE count found in the
4740         first pass.
4741         (vt_expand_loc_callback, INIT_ELCD): Adjust.
4743 2012-04-13  Tom de Vries  <tom@codesourcery.com>
4745         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
4746         parameters vuse and vuse_escaped.
4747         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
4748         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
4749         vuse1 != vuse2.
4751 2012-04-13  Richard Guenther  <rguenther@suse.de>
4753         PR tree-optimization/52969
4754         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
4755         the condition for the COND_EXPR and handle predicate negation
4756         by swapping the COND_EXPR arms.
4758 2012-04-13  Nick Clifton  <nickc@redhat.com>
4760         * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
4761         TODO_dump_func flag.
4763 2012-04-13  Andrey Belevantsev  <abel@ispras.ru>
4765         PR rtl-optimization/52203
4766         PR rtl-optimization/52715
4768         Revert the 2012-03-07 fix for PR 52203.
4769         * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
4770         the insn does not modify DFA right before issuing, adjust
4771         issue_rate accordingly.
4773 2012-04-13  Richard Guenther  <rguenther@suse.de>
4775         PR c/52549
4776         * c-typeck.c (pointer_diff): Remove bogus assert.
4778 2012-04-13  Richard Guenther  <rguenther@suse.de>
4780         PR c/52862
4781         * convert.c (convert_to_pointer): Remove special-casing of zero.
4783 2012-04-13  Joey Ye  <joey.ye@arm.com>
4785         * config/arm/constraints.md (Pe): New constraint.
4786         * config/arm/arm.md: New split for imm 256-510.
4788 2012-04-13  Terry Guo  <terry.guo@arm.com>
4790         * config/arm/arm-cores.def: Added core cortex-m0plus.
4791         * config/arm/arm-tune.md: Regenerated.
4792         * config/arm/arm-tables.opt: Regenerated.
4793         * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
4795 2012-04-13  Alan Modra  <amodra@gmail.com>
4797         PR target/52828
4798         * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
4799         tie regs on destination of sets.  Delete forward declaration.
4800         (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
4801         (rs6000_emit_prologue): Likewise.
4802         (rs6000_emit_epilogue): Likewise.  Use in place of gen_frame_tie
4803         and gen_stack_tie.
4804         (is_mem_ref): Use tie_operand to recognise stack ties.
4805         * config/rs6000/predicates.md (tie_operand): New.
4806         * config/rs6000/rs6000.md (restore_stack_block): Generate new
4807         stack tie rtl.
4808         (restore_stack_nonlocal): Likewise.
4809         (stack_tie): Update.
4810         (frame_tie): Delete.
4812 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4814         * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
4815         HOST_WIDE_INT_PRINT_DEC in format strings.
4817 2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
4819         PR target/52932
4820         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
4821         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
4822         * config/i386/sse.md (UNSPEC_VPERMVAR): New.
4823         (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
4824         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
4825         (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
4826         avx2_permvarv8si using VI4F_256 mode iterator.
4827         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
4828         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
4829         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
4830         gen_avx2_permvarv8sf.
4831         (expand_vec_perm_pshufb): Ditto.
4833 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
4835         PR target/52775
4836         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
4837         the list of options to enable the FCFID instruction.
4838         (TARGET_EXTRA_BUILTINS): Adjust comment.
4840 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4842         PR tree-optimization/18589
4843         * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
4844         (operand_entry): Add count field.
4845         (add_repeat_to_ops_vec): New function.
4846         (completely_remove_stmt): Likewise.
4847         (remove_def_if_absorbed_call): Likewise.
4848         (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
4849         (acceptable_pow_call): New function.
4850         (linearize_expr_tree): Look for builtin pow/powi calls and add operand
4851         entries with repeat counts when found.
4852         (repeat_factor_d): New struct and associated typedefs.
4853         (repeat_factor_vec): New static vector variable.
4854         (compare_repeat_factors): New function.
4855         (get_reassoc_pow_ssa_name): Likewise.
4856         (attempt_builtin_powi): Likewise.
4857         (reassociate_bb): Call attempt_builtin_powi.
4858         (fini_reassoc): Two new calls to statistics_counter_event.
4860 2012-04-12  Richard Guenther  <rguenther@suse.de>
4862         * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
4863         * cgraph.h (tree_rest_of_compilation): Remove.
4864         * cgraph.c (cgraph_add_new_function): Move ...
4865         * cgraphunit.c (cgraph_add_new_function): ... here.
4866         (tree_rest_of_compilation): Make static.
4867         (cgraph_expand_function): Do not set cgraph_function_flags_ready.
4868         * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
4869         gate_all_early_local_passes, execute_all_early_local_passes,
4870         pass_early_local_passes, gate_all_early_optimizations,
4871         pass_all_early_optimizations): Move ...
4872         * passes.c (gate_all_optimizations, pass_all_optimizations,
4873         gate_all_early_local_passes, execute_all_early_local_passes,
4874         pass_early_local_passes, gate_all_early_optimizations,
4875         pass_all_early_optimizations): ... here.
4876         * tree-optimize.c (execute_free_datastructures): Remove.
4877         * tree-flow.h (execute_free_datastructures): Remove.
4878         * tree-optimize.c (execute_init_datastructures,
4879         pass_init_datastructures): Move ...
4880         * tree-ssa.c (execute_init_datastructures,
4881         pass_init_datastructures): ... here.
4882         * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
4883         execute_free_datastructures.
4885 2012-04-12  Bernd Schmidt  <bernds@codesourcery.com>
4887         * dbgcnt.def (ira_move): New counter.
4888         * ira-int.h (ira_create_new_reg): Declare function.
4889         (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
4890         * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
4891         no longer static.  All callers changed.
4892         * ira.c: Include "dbgcnt.h".
4893         (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
4894         move_unallocated_pseudos): New static functions.
4895         (first_moveable_pseudo, last_moveable_pseudo): New global variables.
4896         (pseudo_replaced_reg, pseudo_move_insn): New static variables.
4897         (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
4898         * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
4899         to the pseudos generated in find_moveable_pseudos.
4900         * Makefile.in (ira.o): Add $(DBGCNT_H).
4902 2012-04-12  Richard Guenther  <rguenther@suse.de>
4904         PR tree-optimization/52943
4905         * tree-chrec.h (chrec_is_positive): Remove.
4906         * tree-scalar-evolution.c (chrec_is_positive): Move ...
4907         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
4908         Return false for a constant zero instead of negative.
4909         (analyze_siv_subscript_cst_affine): Handle zero difference
4910         in the initial condition explicitely.
4912 2012-04-12  Richard Guenther  <rguenther@suse.de>
4914         * tree-parloops.c (parallelize_loops): Also consult the upper
4915         bound for the number of iterations.
4916         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
4917         (loop_prefetch_arrays): Likewise.
4919 2012-04-12  Richard Guenther  <rguenther@suse.de>
4921         * cfgloop.h (estimated_loop_iterations_int): Ditch
4922         'conservative' parameter.
4923         (max_stmt_executions_int): Likewise.
4924         (estimated_loop_iterations): Likewise.
4925         (max_stmt_executions): Likewise.
4926         (max_loop_iterations): Declare.
4927         (max_loop_iterations_int): Likewise.
4928         (estimated_stmt_executions): Likewise.
4929         (estimated_stmt_executions_int): Likewise.
4930         * tree-ssa-loop-niter.c (estimated_loop_iterations):
4931         Split parts to ...
4932         (max_loop_iterations): ... this.
4933         (estimated_loop_iterations_int): Split parts to ...
4934         (max_loop_iterations_int): ... this.
4935         (max_stmt_executions_int): Split parts to ...
4936         (estimated_stmt_executions_int): ... this.
4937         (max_stmt_executions): Split parts to ...
4938         (estimated_stmt_executions): ... this.
4939         * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
4940         * predict.c (predict_loops): Likewise.
4941         * tree-data-ref.c (max_stmt_executions_tree): Likewise.
4942         (analyze_siv_subscript_cst_affine): Likewise.
4943         (compute_overlap_steps_for_affine_1_2): Likewise.
4944         (analyze_subscript_affine_affine): Likewise.
4945         (init_omega_for_ddr_1): Likewise.
4946         * tree-parloops.c (parallelize_loops): Likewise.
4947         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
4948         (may_eliminate_iv): Likewise.
4949         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
4950         (loop_prefetch_arrays): Likewise.
4951         * tree-vrp.c (adjust_range_with_scev): Likewise.
4953 2012-04-12  Oleg Endo  <olegendo@gcc.gnu.org>
4955         * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
4956         * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
4957         Fix line width.
4958         (dump_table): Use bool type for need_align and have_df variables.
4959         (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
4960         (regs_used): Remove register modifier.
4961         (barrier_align): Move variables slot, credit, jump_to_next
4962         into if block above for loop.  Use bool type for jump_to_next.
4963         (sh_function_arg): Use NULL_RTX instead of 0.
4965 2012-04-11  Andreas Schwab  <schwab@linux-m68k.org>
4967         * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
4968         (bswapsi2): New expander.
4970 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4972         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
4973         0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
4975 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4977         PR rtl-optimization/52876
4978         * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
4979         Don't call mark_reg_pointer for incompatible pointer sign extension.
4981         * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
4982         directly.
4984 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
4986         * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
4987         comparisons against TYPE_PRECISION.
4988         * tree-ssa-forwprop.c (combine_conversions): Likewise.
4990 2012-04-11  Xinliang David Li  <davidxl@google.com>
4992         * tree-passes.h: Remove TODO_dump_func.
4993         * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
4994         * trans-mem.c: Remove TODO_dump_func.
4995         * ira.c: Remove TODO_dump_func.
4997 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4999         * config/i386/i386.c (ix86_option_override_internal): Check
5000         SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
5001         after TARGET_64BIT is updated.
5003 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5005         * config/sh/sh.h: Remove old secondary reload code.
5007 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5009         * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
5010         (ready_reorder): ... this function.
5012 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
5014         * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
5015         sched_init calls.
5017         * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
5018         insns so that no other insn is queued for a time before them.
5020         * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
5021         unknown.
5023 2012-04-11  Richard Guenther  <rguenther@suse.de>
5025         PR middle-end/52621
5026         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
5027         consider loop nesting.
5028         (evolution_function_is_univariate_p): Properly check the remainder
5029         for chrecs.
5031 2012-04-11  Richard Guenther  <rguenther@suse.de>
5033         PR middle-end/52918
5034         * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
5036 2012-04-11  Nick Clifton  <nickc@redhat.com>
5038         * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
5039         information, if requested.
5041         * config/rx/rx.c (rx_expand_prologue): Likewise.
5043 2012-04-11  Peter Bergner  <bergner@vnet.ibm.com>
5044             Michael Matz  <matz@suse.de>
5046         PR target/16458
5047         * rtlanal.c (unsigned_reg_p): New function.
5048         Update copyright notice dates.
5049         * rtl.h (unsigned_reg_p): Prototype it.
5050         Update copyright notice dates.
5051         * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
5052         Update comment.
5053         * expr.c (expand_expr_real_1): Set register attributes.
5054         * stmt.c (expand_case): Likewise.
5056 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5058         PR target/50751
5059         * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
5060         consider_sh2a and allow_zero.
5061         * config/sh/sh.c (sh_legitimate_index_p): Likewise.
5062         (disp_addr_displacement): New function.
5063         (sh_address_cost): Use disp_addr_displacement function instead
5064         of DISP_ADDR_OFFSET.
5065         (sh_legitimate_address_p): Adapt to changed
5066         sh_legitimate_index_p declaration.
5067         (sh_find_mov_disp_adjust): Remove HImode check.
5068         (sh_secondary_reload): Add HImode case.  Use satisfies_constraint_Sdd,
5069         disp_addr_displacement and max_mov_insn_displacement.
5070         (max_mov_insn_displacement): Remove HImode check.
5071         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
5072         DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
5073         * config/sh/constraints.md (K05, K13): New constraints.
5074         (K12): Correct comment.
5075         (Sdd): Do not use DISP_ADDR_P macro.
5076         (Snd, Sbw): Use satisfies_constraint_Sdd.
5077         * config/sh/sh.md (extendhisi2): Remove constraints from expander.
5078         (*extendhisi2_compact, movhi_i): Remove.
5079         (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
5080         *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
5081         *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
5082         *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
5083         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
5084         *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
5085         *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
5086         CONST_OK_FOR_Kxx.
5087         Add new peepholes for HImode displacement addressing.
5089 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
5091         * config/sh/sh.h (SIDI_OFF): Remove.
5092         * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
5093         DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
5094         or operand_subword.
5096 2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>
5098         PR target/52624
5099         * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
5100         (PowerPC AltiVec/VSX Built-in Functions): Remove it.
5101         * doc/md.texi (Standard Names): Add bswap.
5102         * builtin-types.def (BT_UINT16): New primitive type.
5103         (BT_FN_UINT16_UINT16): New function type.
5104         * builtins.def (BUILT_IN_BSWAP16): New.
5105         * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
5106         (expand_builtin) <BUILT_IN_BSWAP16>: New case.  Pass TARGET_MODE to
5107         expand_builtin_bswap.
5108         (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
5109         (fold_builtin_1): Likewise.
5110         (is_inexpensive_builtin): Likewise.
5111         * optabs.c (expand_unop): Deal with bswap in HImode specially.  Add
5112         missing bits for bswap to libcall code.
5113         * tree.c (build_common_tree_nodes): Build uint16_type_node.
5114         * tree.h (enum tree_index): Add TI_UINT16_TYPE.
5115         (uint16_type_node): New define.
5116         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
5117         * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
5118         above builtin.
5119         (rs6000_init_builtins): Likewise.
5120         * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
5122 2012-04-11  Tristan Gingold  <gingold@adacore.com>
5124         * doc/extend.texi (Type Attributes): Move paragraph.
5126 2012-04-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5128         PR 24985
5129         * diagnostic.h (show_caret): Declare.
5130         (caret_max_width): Declare.
5131         (diagnostic_show_locus): Declare.
5132         * diagnostic.c (diagnostic_initialize): Initialize to false.
5133         (diagnostic_show_locus): New.
5134         (diagnostic_report_diagnostic): Call it.
5135         (getenv_columns): New.
5136         (adjust_line): New.
5137         (diagnostic_set_caret_max_width): New.
5138         * input.c (read_line): New.
5139         (location_get_source_line): New.
5140         * input.h (location_get_source_line): Declare.
5141         * toplev.c (general_init): Initialize show_caret from options.
5142         * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
5143         * opts.c (common_handle_option): Likewise.
5144         * pretty-print.h (pp_get_prefix): New.
5145         (pp_base_get_prefix): New.
5146         * common.opt (fdiagnostics-show-caret): New option.
5147         * doc/invoke.texi (fdiagnostics-show-caret): Document it.
5149 2012-04-11  Richard Guenther  <rguenther@suse.de>
5151         PR rtl-optimization/52881
5152         * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
5154 2012-04-11  Richard Guenther  <rguenther@suse.de>
5156         PR tree-optimization/52912
5157         * tree-ssa-threadupdate.c (thread_block): Tell the cfg
5158         manipulation code we are threading through a loop header
5159         to an exit destination.
5161 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5163         * tree.h (warn_if_unused_value): Move declaration from here.
5164         * stmt.c (warn_if_unused_value): Move definition from here.
5166 2010-04-10  Michael Matz  <matz@suse.de>
5168         * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
5169         grouped_stores.
5170         (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
5171         (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
5172         (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
5173         (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
5174         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
5175         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
5176         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
5177         (vect_record_strided_load_vectors): Rename to
5178         vect_record_grouped_load_vectors.
5179         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
5180         Rename use of above macros.
5181         (vect_verify_datarefs_alignment): Ditto.
5182         (vector_alignment_reachable_p): Ditto.
5183         (vect_peeling_hash_get_lowest_cost): Ditto.
5184         (vect_enhance_data_refs_alignment): Ditto.
5185         (vect_analyze_group_access): Ditto and rename stride to groupsize.
5186         (vect_analyze_data_ref_access): Rename "strided" to "grouped".
5187         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
5188         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
5189         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
5190         (vect_record_strided_load_vectors): Rename to
5191         vect_record_grouped_load_vectors.
5192         * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
5193         (destroy_loop_vec_info): Ditto.
5194         (vect_transform_loop): Ditto and rename strided_store to grouped_store.
5195         * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
5196         (vect_analyze_slp): Ditto.
5197         (new_bb_vec_info): Ditto.
5198         (destroy_bb_vec_info): Ditto.
5199         (vect_schedule_slp_instance): Ditto and rename strided_store to
5200         grouped_store.
5201         * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
5202         vect_cost_group_size.
5203         (vect_model_store_cost): Rename use of above macros and call
5204         to vect_cost_strided_group_size.
5205         (vect_model_load_cost): Ditto.
5206         (vectorizable_store): Ditto, rename strided_store to grouped_store
5207         and calls to renamed tree-vectorizer.h functions.
5208         (vectorizable_load): Ditto.
5209         (vect_transform_stmt): Rename use of above macros and strided_store
5210         to grouped_store.
5212 2012-04-10  Jan Hubicka  <jh@suse.cz>
5214         * cgraph.h: Remove misledaing comment on ipa-ref.h.
5215         (symtab_type): New enum.
5216         (symtab_node): New structure.
5217         (cgraph_node, varpool_node): Add symbol base type.
5218         (cgraph, varpool): New accestor functions.
5219         * cgraph.c (cgraph_create_node_1): Set symbol type.
5220         * varpool.c (varpool_node): Set symbol type.
5222 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
5223             Richard Sandiford  <rdsandiford@googlemail.com>
5225         * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
5227 2012-04-10  Richard Guenther  <rguenther@suse.de>
5229         PR middle-end/52888
5230         * gimple-low.c (gimple_check_call_args): Properly account for
5231         compatible aggregate types.
5233 2012-04-10  Richard Guenther  <rguenther@suse.de>
5235         * toplev.h (tree_rest_of_compilation): Remove.
5236         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5237         * cgraph.h (tree_rest_of_compilation): Declare.
5238         * tree-optimize.c (tree_rest_of_compilation): Move ...
5239         * cgraphunit.c (tree_rest_of_compilation): ... here.
5240         * cgraph.c (cgraph_add_new_function): Adjust.
5241         * Makefile.in (tree-optimize.o): Adjust.
5242         (cgraphunit.o): Likewise.
5244 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
5246         PR tree-optimization/52870
5247         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
5248         presumed pattern statement is within the same loop or basic block.
5250 2012-04-10  Tristan Gingold  <gingold@adacore.com>
5252         * gengtype.c (main): Make uintptr_t a known type.
5254 2012-04-10  Richard Guenther  <rguenther@suse.de>
5256         * tree-pass.h (tree_lowering_passes): Remove.
5257         * tree-optimize.c (tree_lowering_passes): Remove.
5258         * cgraph.c (cgraph_add_new_function): Inline relevant parts
5259         of tree_lowering_passes, avoid redundant call of early local passes.
5260         * cgraphunit.c (cgraph_lower_function): Fold into ...
5261         (cgraph_analyze_function): ... its single caller.  Inline
5262         relevant parts of tree_lowering_passes.
5264 2012-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5266         PR other/52777
5267         * config/pa/pa.opt: Remove SIO and GNU_LD.
5269 2012-04-09  Jan Hubicka  <jh@suse.cz>
5271         PR lto/52722
5272         PR lto/51765
5273         PR lto/52634
5274         * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
5275         boundary, add its target too.
5276         * lto.c (add_references_to_partition): Add also aliased nodes.
5277         (add_cgraph_node_to_partition,
5278         add_varpool_node_to_partition): Work on nodes, not functions/variables;
5279         when adding alias, add also the aliased object.
5281 2012-04-09  Uros Bizjak  <ubizjak@gmail.com>
5283         PR target/52883
5284         * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
5285         VOIDmode immediate operands.
5286         * config/i386/constraints.md (Wz): New constraint.
5287         * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
5289 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
5291         PR target/52717
5292         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
5293         the DECL generated for the special GOT helper.
5295 2012-04-09  Oleg Endo  <olegendo@gcc.gnu.org>
5297         * config/sh/constraints.md: Update list of constraints in
5298         comment block.
5299         (Sr0): Remove unused memory constraint.
5301 2012-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5303         * tree-pretty-print.h: Update comment.
5305 2012-04-08  Oleg Endo  <olegendo@gcc.gnu.org>
5307         * config/sh/sh.md: Use braced string notation where applicable.
5308         (*prefetch_i4, prefetch_m2a): Merge into ...
5309         (*prefetch): ... this new insn.
5311 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
5313         * config/sh/sh.h (high_life_started): Remove
5314         * config/sh/predicates.md (general_movdst_operand): Use
5315         'reload_in_progress' instead of 'high_life_started'.
5316         * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
5317         divsi_inv_fp): Likewise.
5319 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
5321         * config/sh/sh-protos.h (prepare_move_operands): Return void
5322         instead of int.
5323         * config/sh/sh.c (prepare_move_operands): Likewise.
5324         * config/sh/sh.md: Remove return value checks of prepare_move_operands.
5326 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
5328         * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
5329         general_movsrc_operand, general_movdst_operand, arith_reg_operand,
5330         fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
5331         logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
5332         commutative_float_operator, noncommutative_float_operator,
5333         sh_handle_pragma): Remove.
5335 2012-04-06  Sandra Loosemore  <sandra@codesourcery.com>
5337         * doc/invoke.texi:  Clean up Texinfo markup throughout the file.
5338         Use @option markup on command-line options.  Use @samp markup on
5339         literal keywords to options.  Use @code markup on code fragments.
5340         Use other markup in preference to quotation marks in the text.
5341         Add markup to some passages without any.
5343 2012-04-06  Mike Stump  <mikestump@comcast.net>
5345         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
5347 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
5349         * config/sh/sh.c (hi_const): Remove.
5350         (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
5351         of hi_const.
5353 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
5355         * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
5356         to bool.
5357         * config/sh/sh.c (sh_expand_t_scc): Likewise.
5358         * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
5359         calling sh_expand_t_scc.
5361 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
5363         * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
5364         nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
5365         sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
5366         reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
5367         sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
5368         sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
5369         check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
5370         sh2a_is_function_vector_call): Use bool as return type.
5371         (sh_pass_in_reg_p): Remove.
5372         * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
5373         flow_dependent_p, sh2a_function_vector_p, expand_block_move,
5374         expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
5375         sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
5376         sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
5377         sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
5378         fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
5379         sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
5380         sh_loads_bankedreg_p): Use bool as return type.
5381         (nonpic_symbol_mentioned_p): Use bool as return type.  Remove
5382         'register' modifier.
5384 2012-04-06  Matt Turner  <mattst88@gmail.com>
5386         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
5388 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5390         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
5391         of the destination isn't also a FP_REGS register.
5393 2012-04-05  Teresa Johnson  <tejohnson@google.com>
5394             H.J. Lu  <hongjiu.lu@intel.com>
5396         * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
5397         * config/i386/i386.md (move immediate to memory peephole2):
5398         Add cases for HImode move when LCP stall avoidance is needed.
5399         * config/i386/i386.c (initial_ix86_tune_features): Initialize
5400         X86_TUNE_LCP_STALL entry.
5402 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
5404         PR target/52882
5405         * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
5406         CONST_INT operands, zero-extended with AND.
5408 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
5410         PR target/50751
5411         * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
5412         first argument instead of mode size.  Move displacement calculations
5413         to ...
5414         (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
5415         ... these new functions.
5416         (disp_adjust): Remove max_mov_disp field.
5417         (sh_legitimate_index_p): Use max_mov_insn_displacement and
5418         mov_insn_alignment_mask.
5419         (sh_address_cost): Use max_mov_insn_displacement.
5421 2012-04-05  Andrew Stubbs  <ams@codesourcery.com>
5423         * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
5424         (arch_enabled): Handle new arch types.
5425         (one_cmpldi2): Add NEON support.
5427 2012-04-05  Richard Guenther  <rguenther@suse.de>
5429         * gimple.c (walk_gimple_op): Compute val_only for the LHS
5430         of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
5431         (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
5432         * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
5433         ... here and make static.
5434         * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
5435         Remove.
5437 2012-04-05  Richard Guenther  <rguenther@suse.de>
5439         * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
5440         basic-block before removing it.
5442 2012-04-05  Richard Guenther  <rguenther@suse.de>
5444         * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
5445         version namespace as we release the freelist.
5447 2012-04-05  Richard Guenther  <rguenther@suse.de>
5449         * tree-nrv.c (tree_nrv): Release VDEFs.
5450         * tree-sra.c (sra_modify_constructor_assign): Likewise.
5451         (sra_modify_assign): Likewise.
5452         * tree-vect-stmts.c (vect_remove_stores): Likewise.
5453         * tree-vect-loop.c (vect_transform_loop): Likewise.
5454         * tree-ssa-dom.c (optimize_stmt): Likewise.
5455         * tree-vect-slp.c (vect_schedule_slp): Likewise.
5456         * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
5458 2012-04-05  Richard Guenther  <rguenther@suse.de>
5460         * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
5461         cleanup.
5462         * gimple.h (gsi_remove): Adjust.
5463         * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
5464         * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
5465         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5466         * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
5467         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
5468         * tree-ssa-pre.c (eliminate): Likewise.
5470 2012-04-04  Mike Stump  <mikestump@comcast.net>
5472         * doc/rtl.texi (const_double): Document as sign-extending.
5473         * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
5474         * emit-rtl.c (immed_double_int_const): Refine to state the
5475         value is signed.
5476         * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
5477         CONST_DOUBLE integers.
5478         (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
5479         negative values are converted.  Fix conversions bigger than
5480         HOST_BITS_PER_WIDE_INT.
5481         (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
5482         (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
5483         * explow.c (plus_constant_mode): Add.
5484         (plus_constant): Implement with plus_constant_mode.
5485         * rtl.h (plus_constant_mode): Add.
5487 2012-04-04  Richard Guenther  <rguenther@suse.de>
5489         PR tree-optimization/52808
5490         * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
5491         * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
5493 2012-04-04  Tristan Gingold  <gingold@adacore.com>
5495         * expr.c (expand_expr_real_2): Handle larger sizetype in
5496         POINTER_PLUS_EXPR.
5498 2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5500         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
5501         to m2a-single instead of m2e.
5503 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
5505         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
5506         Change type of BITOFFSET to signed.  Make sure the lower bound of
5507         the computed range is non-negative by adjusting OFFSET and BITPOS.
5508         (expand_assignment): Adjust call to get_bit_range.
5510 2012-04-03  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
5512         * h8300/h8300.c (h8300_current_function_monitor_function_p):
5513         New function. Added to check monitor functions.
5514         (h8300_option_override): Modified to generate error/warning
5515         messages for invalid combinations of different command line
5516         options.
5517         * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
5518         save EXR on stack for monitor function in case of H8S target
5519         when "-mno-exr" is passed.
5520         * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
5521         Add prototype.
5522         * doc/invoke.texi: Document H8S options.
5524 2012-04-03  Tristan Gingold  <gingold@adacore.com>
5526         * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
5527         of gcc_AC_FUNC_MMAP_BLACKLIST.
5528         * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
5529         * Makefile.in (aclocal_deps): Add mmap.m4.
5530         * configure: Regenerate.
5531         * aclocal.m4: Regenerate.
5533 2012-04-03  Richard Guenther  <rguenther@suse.de>
5535         PR tree-optimization/52808
5536         * tracer.c (tail_duplicate): Return whether we have duplicated
5537         any block.
5538         (tracer): If we have duplicated any block, cleanup the CFG.
5539         * cfghooks.c (duplicate_block): If we duplicated a loop
5540         header but not its loop, destroy the loop because it now has
5541         multiple entries.
5542         * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
5543         the cfg manipulation routines we are not creating a multiple
5544         entry loop.
5546 2012-04-03  Tristan Gingold  <gingold@adacore.com>
5548         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
5549         'byte' alignment.
5550         (vms_c_common_override_options): Allow parameterless variadic
5551         functions.
5553 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
5555         PR tree-optimization/52835
5556         * tree-data-ref.c (build_rdg): Return NULL if
5557         compute_data_dependences_for_loop failed.
5559 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
5561         * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
5562         for REAL_CST as well.
5563         (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
5564         In the bitfield case, if the value is a REAL_CST, convert it first to
5565         an INTEGER_CST.
5567 2012-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5569         * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
5570         for --with-abi={x32|mx32} or --with-multilib-list=mx32.
5571         (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
5573         * config/i386/biarchx32.h: New.
5575 2012-04-02  Anatoly Sokolov  <aesok@post.ru>
5577         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
5578         * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
5579         (arm_preferred_reload_class): New function.
5581 2012-04-02  Richard Guenther  <rguenther@suse.de>
5583         PR tree-optimization/52756
5584         * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
5585         (thread_through_loop_header): After threading through the loop latch
5586         remove the split part from the loop and clear further threading
5587         opportunities that would create a multiple entry loop.
5589 2012-04-02  Richard Guenther  <rguenther@suse.de>
5591         PR rtl-optimization/52800
5592         * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
5593         CLEANUP_CFG_CHANGED.
5595 2012-04-02  Richard Guenther  <rguenther@suse.de>
5597         PR middle-end/52803
5598         * loop-init.c (gate_handle_loop2): Destroy loops here if
5599         we don't enter RTL loop optimizers.
5601 2012-04-02  Uros Bizjak  <ubizjak@gmail.com>
5603         Partially revert:
5604         2012-03-29  Richard Guenther  <rguenther@suse.de>
5606         * rtl.h (extended_count): Remove.
5607         * combine.c (extended_count): Remove.
5609 2012-04-02  Dodji Seketeli  <dodji@redhat.com>
5611         PR c++/40942
5612         * pt.c (more_specialized_fn):  Don't apply decay conversion to
5613         types of function parameters.
5615 2012-04-02  Tristan Gingold  <gingold@adacore.com>
5617         * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
5618         (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
5619         (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
5620         (ggc_pch_this_base): Use uintptr_t instead of size_t.
5622 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
5624         PR bootstrap/52784
5625         * config/i386/i386.c (ix86_option_override_internal): Don't
5626         check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
5628 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
5630         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
5631         (stmt_can_make_abnormal_goto): Use it.
5632         (is_ctrl_altering_stmt): Likewise.
5634 2012-03-30  Naveen H.S  <naveen.S@kpitcummins.com>
5635             Kaz Kojima  <kkojima@gcc.gnu.org>
5637         * config/sh/sh.c (push_regs): Skip banked registers when
5638         resbank attribute is specified.
5639         (sh_expand_epilogue): Likewise.
5641 2012-03-30  Richard Henderson  <rth@redhat.com>
5643         PR debug/52727
5644         * combine-stack-adj.c (prev_active_insn_bb): New.
5645         (next_active_insn_bb): New.
5646         (force_move_args_size_note): New.
5647         (combine_stack_adjustments_for_block): Use it.
5649 2012-03-30  Richard Henderson  <rth@redhat.com>
5651         * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
5652         (ix86_expand_vector_init_duplicate): Initialize it.
5653         (expand_vec_perm_palignr): Likewise.
5654         (ix86_expand_vec_perm_const): Likewise.
5655         (ix86_vectorize_vec_perm_const_ok): Likewise.
5656         (expand_vec_perm_blend): Use it.
5657         (expand_vec_perm_vpermil): Likewise.
5658         (expand_vec_perm_pshufb): Likewise.
5659         (expand_vec_perm_1): Likewise.
5660         (expand_vec_perm_pshuflw_pshufhw): Likewise.
5661         (expand_vec_perm_interleave2): Likewise.
5662         (expand_vec_perm_vpermq_perm_1): Likewise.
5663         (expand_vec_perm_vperm2f128): Likewise.
5664         (expand_vec_perm_interleave3): Likewise.
5665         (expand_vec_perm_vperm2f128_vblend): Likewise.
5666         (expand_vec_perm_vpshufb2_vpermq): Likewise.
5667         (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
5668         (expand_vec_perm_broadcast): Likewise.
5669         (expand_vec_perm_vpshufb4_vpermq2): Likewise.
5671 2012-03-30  Richard Henderson  <rth@redhat.com>
5673         * dwarf2out.c (gen_variable_die): Initialize off.
5675 2012-03-30  Tristan Gingold  <gingold@adacore.com>
5677         * config/vms/vms-f.c: New file.
5678         * config/vms/t-vms (vms-f.o): New rule.
5679         * config.gcc (*-*-*vms*): Define fortran_target_objs.
5681 2012-03-30  Richard Guenther  <rguenther@suse.de>
5683         PR tree-optimization/52754
5684         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
5685         propagate arbitrary addresses into really plain dereferences.
5687 2012-03-30  Richard Guenther <rguenther@suse.de>
5689         PR middle-end/52772
5690         * except.c (emit_to_new_bb_before): Move loop updating ...
5691         (dw2_build_landing_pads): ... here.  Use a proper block for
5692         querying the loop father.
5694 2012-03-30  Tristan Gingold  <gingold@adacore.com>
5696         * config/ia64/ia64.c (ia64_section_type_flags): Remove
5697         common_object attribute handling.
5698         (SECTION_VMS_OVERLAY): Remove
5699         (ia64_vms_common_object_attribute): Replace abort with an assert.
5700         Do not set DECL_SECTION_NAME.
5701         (ia64_vms_output_aligned_decl_common): Handle common_object
5702         attribute.
5703         (ia64_vms_elf_asm_named_section): Remove.
5704         * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
5706 2012-03-30  Richard Guenther  <rguenther@suse.de>
5708         PR middle-end/52786
5709         * double-int.c (rshift_double): Remove not needed cast.
5711 2012-03-30  Richard Guenther  <rguenther@suse.de>
5713         * tree-affine.h (print_aff): Remove.
5714         * tree-affine.c (print_aff): Make static.
5715         * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
5716         (get_references_in_stmt): Likewise.
5717         (print_direction_vector): Likewise.
5718         (print_dir_vectors): Likewise.
5719         (print_dist_vectors): Likewise.
5720         (dump_subscript): Likewise.
5721         (dump_ddrs): Likewise.
5722         (dump_dist_dir_vectors): Likewise.
5723         (dump_data_references): Likewise.
5724         (dump_data_dependence_relation): Likewise.
5725         (dump_data_dependence_direction): Likewise.
5726         (dump_rdg_vertex): Likewise.
5727         (dump_rdg_component): Likewise.
5728         (debug_ddrs): Declare.
5729         (struct data_ref_loc_d): Move ...
5730         * tree-data-ref.c (struct data_ref_loc_d): ... here.
5731         (get_references_in_stmt): Make static.
5732         (dump_data_references): Likewise.
5733         (dump_subscript): Likewise.
5734         (print_direction_vector): Likewise.
5735         (print_dir_vectors): Likewise.
5736         (print_dist_vectors): Likewise.
5737         (dump_data_dependence_relation): Likewise.
5738         (dump_dist_dir_vectors): Likewise.
5739         (dump_ddrs): Likewise.
5740         (dump_rdg_vertex): Likewise.
5741         (dump_rdg_component): Likewise.
5742         (debug_ddrs): New function.
5743         (access_matrix_get_index_for_parameter): Remove.
5745 2012-03-30  Tristan Gingold  <gingold@adacore.com>
5747         * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
5748         (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
5749         (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
5750         (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
5751         (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
5752         (vms_patch_builtins): Handle new flags
5753         * config/vms/vms-crtlmap.map: Completed using nm on
5754         c and math system libraries.
5755         * config/vms/make-crtlmap.awk: Handle any number of flags.
5757 2012-03-30  Martin Jambor  <mjambor@suse.cz>
5759         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
5760         is a builtin_stack_save in a dominating BB.
5762 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
5764         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
5765         crossing 128bit lane boundary.
5767 2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
5769         * ira-color.c (setup_left_conflict_sizes_p): Process all
5770         conflicting objects.
5772 2012-03-29  Jakub Jelinek  <jakub@redhat.com>
5774         PR tree-optimization/52760
5775         * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
5776         shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
5778 2012-03-29  Richard Guenther  <rguenther@suse.de>
5780         * cgraph.h (cgraph_materialize_all_clones): Remove.
5781         (reset_inline_failed): Likewise.
5782         * cgraphunit.c (cgraph_materialize_all_clones): Make static.
5783         * cgraphbuild.c (reset_inline_failed): Remove.
5784         * rtl.h (cse_main): Remove.
5785         (extended_count): Likewise.
5786         * cse.c (dump_class): Mark as DEBUG_FUNCTION.
5787         (cse_main): Make static.
5788         * combine.c (extended_count): Remove.
5789         (dump_combine_stats): Mark as DEBUG_FUNCTION.
5790         * basic-block.h (reorder_basic_blocks): Remove.
5791         * bb-reorder.c (reorder_basic_blocks): Make static.
5792         * Makefile.in (dse.o): Remove dse.h dependency.
5793         * dse.h: Remove.
5794         * dse.c (gate_dse): Remove.
5795         (clear_alias_mode_eq): Likewise.
5796         (clear_alias_mode_hash): Likewise.
5797         (dse_record_singleton_alias_set): Likewise.
5798         (dse_invalidate_singleton_alias_set): Likewise.
5800 2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>
5802         * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
5803         crtbegin_so%O%s for -shared.
5804         (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
5806 2012-03-29  Richard Guenther  <rguenther@suse.de>
5808         * tree-flow.h (struct pre_expr_d): Remove forward declaration.
5809         (add_to_value): Remove.
5810         (print_value_expressions): Likewise.
5811         * tree-ssa-pre.c (add_to_value): Make static.
5812         (print_value_expressions): Likewise.
5813         * gimple.h (gimple_adjust_this_by_delta): Remove.
5814         * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
5816 2012-03-29  Richard Guenther  <rguenther@suse.de>
5818         PR middle-end/50708
5819         * double-int.h (rshift_double): Remove.
5820         * double-int.c (lshift_double): Use absu_hwi to make count positive.
5821         (rshift_double): Make static, take unsigned count argument,
5822         remove handling of negative count argument.
5823         (double_int_rshift): Dispatch to lshift_double.
5825 2012-03-28  H.J. Lu  <hongjiu.lu@intel.com>
5827         * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
5828         OPTION_MASK_ABI_64.
5830         * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
5831         (SPEC_X32): Likewise.
5832         (MULTILIB_DEFAULTS): Likewise.
5834         * config/i386/i386.c (isa_opts): Remove -m64.
5835         (ix86_target_string): Properly handle -m32/-m64/-mx32.
5836         (ix86_option_override_internal): Properly
5837         set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
5838         handle -m32, -m64 and -mx32.
5840         * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
5841         with OPTION_ABI_X32.  Moved after TARGET_LP64.
5842         (TARGET_LP64): Changed to OPTION_ABI_64.
5844         * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
5845         (mx32): Replace ISA_X32 with ABI_X32.
5847 2012-03-28  Eric Botcazou  <ebotcazou@adacore.com>
5849         * tree.c (tree_size) <VECTOR_CST>: New case.
5851 2012-03-28  Uros Bizjak  <ubizjak@gmail.com>
5853         * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
5854         (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
5856 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
5858         PR middle-end/52691
5859         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
5860         __builtin_va_start to __builtin_next_arg if the latter is
5861         builtin_decl_explicit_p rather than when it is not.
5863         PR middle-end/52750
5864         * tree-vect-generic.c (vector_element): Perform multiplication
5865         for pos in bitsizetype type instead of idx type.
5867 2012-03-28  Richard Guenther  <rguenther@suse.de>
5869         * loop-init.c (loop_optimizer_init): If loops are preserved
5870         perform incremental initialization of required loop features.
5871         (loop_optimizer_finalize): If loops are to be preserved only
5872         clean up optional loop features.
5873         (rtl_loop_done): Forcefully free loops here.
5874         * cgraph.c (cgraph_release_function_body): Forcefully free loops.
5875         * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
5876         to existing loops.
5877         (construct_init_block): Likewise.
5878         (construct_exit_block): Likewise.
5879         (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state.  Cleanup
5880         the CFG after expanding.
5881         * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
5882         If we needed to calculate them, free them afterwards.
5883         * tree-pass.h (PROP_loops): New define.
5884         * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
5885         * basic-block.h (CLEANUP_CFG_CHANGED): New.
5886         * cfgcleanup.c (merge_blocks_move): Protect loop latches.
5887         (cleanup_cfg): If we did something and have loops around, fix them up.
5888         * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
5889         with CLEANUP_CFG_CHANGED.
5890         * cfghooks.c (merge_blocks): If we merge a loop header into
5891         its predecessor, update the loop structure.
5892         (duplicate_block): If we copy a loop latch, adjust loop state
5893         to note we may have multiple latches.
5894         (delete_basic_block): Mark loops for fixup if we remove a loop.
5895         * cfganal.c (forwarder_block_p): Protect loop latches, headers
5896         and preheaders.
5897         * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
5898         (cfg_layout_can_merge_blocks_p): Likewise.
5899         * cprop.c (bypass_block): If we create a loop with multiple
5900         entries, mark it for removal.
5901         * except.c (emit_to_new_bb_before): Add the new basic-block
5902         to existing loops.
5903         * tree-eh.c (lower_resx): Likewise.
5904         * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
5905         (expand_omp_taskreg): Likewise.
5906         * tree-inline.c (initialize_cfun): Likewise.
5907         * tree-mudflap.c (add_bb_to_loop): Prototype.
5908         (mf_build_check_statement_for): Properly add new basic-blocks
5909         to existing loops.
5910         * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
5911         if we remove a loop.
5912         (thread_through_loop_header): Likewise.
5913         * trans-mem.c (tm_log_emit_save_or_restores): Properly add
5914         new basic-blocks to existing loops.
5915         (expand_transaction): Likewise.
5916         * Makefile.in (except.o): Add $(CFGLOOP_H).
5917         (expr.o): Likewise.
5918         (cgraph.o): Likewise.
5919         (cprop.o): Likewise.
5920         (cfgexpand.o): Likewise.
5921         (cfganal.o): Likewise.
5922         (trans-mem.o): Likewise.
5923         (tree-eh.o): Likewise.
5925 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
5927         PR target/52692
5928         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
5929         (avr_builtin_decl): New static function.
5930         (struct avr_builtin_description, avr_bdesc): Move up.
5931         Add GTY marker. Add field fndecl. Remove redundant field id.
5932         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
5933         (avr_expand_builtin): Code cleanup because .id is removed.
5935 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
5937         PR target/52737
5938         * config.gcc (tm_file): Remove avr/multilib.h.
5940         * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
5942         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
5943         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
5944         * config/avr/t-avr: Remove generation of multilib.h.
5945         * config/avr/t-multilib: Regenerate.
5946         * config/avr/multilib.h: Remove.
5947         * config/avr/avr.opt (-msp8): New option.
5948         (avr_sp8): New variable.
5949         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
5950         * config/avr/avr.h (AVR_HAVE_SPH): New define.
5951         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
5952         (avr_device_to_sp8): New prototype.
5953         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
5954         (DRIVER_SELF_SPECS): New define.
5955         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
5956         __AVR_SP8__, __AVR_HAVE_SPH__.
5957         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
5958         AVR_HAVE_8BIT_SP to decide if SP_H is present.
5959         (avr_file_start): Ditto.
5961 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
5963         PR target/52736
5964         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
5965         instead of 8 in adjust_address.
5967 2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
5969         PR middle-end/51893
5970         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
5971         targets.
5973 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
5975         PR target/50751
5976         * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
5977         Rearrange conditional logic.  Move displacement address calculations
5978         to ...
5979         (sh_find_mov_disp_adjust): ... this new function.
5981 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5983         * config/arm/arm.opt (mapcs): Remove MaskExists.
5984         * config/cris/linux.opt (mno-gotplt): Likewise.
5985         * config/i386/i386.opt (mhard-float): Likewise.
5986         (msse4): Likewise.
5987         (mno-sse4): Likewise.
5988         * config/m68k/m68k.opt (mhard-float): Likewise.
5989         * config/mep/mep.op (mcop32): Likewise.
5990         * config/pa/pa-hpux.opt (msio): Likewise.
5991         * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
5992         * config/picochip/picochip.opt (mlittle): Likewise.
5993         * config/sh/sh.opt (mrenesas): Likewise.
5994         * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
5995         * config/sparc/sparc.opt (mhard-float): Likewise.
5996         * config/v850/v850.opt (mv850es): Likewise.
5997         * config/vax/vax.opt (mg-float): Likewise.
5999 2012-03-27  Martin Jambor  <mjambor@suse.cz>
6001         PR middle-end/52693
6002         * tree-sra.c (sra_modify_assign): Do not call
6003         load_assign_lhs_subreplacements when working with an unscalarizable
6004         region.
6006 2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
6008         PR target/52698
6009         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
6010         New prototype.
6011         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
6012         * config/i386/i386.c: Include reload.h.
6013         (ix86_legitimize_reload_address): New function.
6015 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6017         * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
6018         hasn't been allocated.  Define a target macro for Mask and
6019         InverseMask if it hasn't been defined.  Remove MaskExists handling.
6021         * doc/options.texi: Remove MaskExists.
6023 2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
6025         PR target/52667
6026         * config/sh/sh.c (find_barrier): Add equality check of last_got
6027         to avoid going above orig insn. Update comments.
6029 2012-03-27  Richard Guenther  <rguenther@suse.de>
6031         PR middle-end/52720
6032         * fold-const.c (try_move_mult_to_index): Handle &x.array more
6033         explicitely.
6035 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
6037         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
6038         of a unit before computing the offset in units.
6039         * expr.c (get_bit_range): Return the null range if the enclosing record
6040         is part of a larger bit field.
6042 2012-03-27  Tristan Gingold  <gingold@adacore.com>
6044         * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
6045         * config/ia64/ia64.md: Remove mode in template.
6046         Sign extend operand in expand_simple_binop.
6047         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
6048         CASE_VECTOR_MODE instead of TARGET_ILP32.
6049         (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
6051 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
6053         * varasm.c (assemble_external): #if 0 out the new assert from the
6054         previous commit, it breaks the Java and Go front ends.
6056 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
6058         * toplev.c (check_global_declaration_1): Do not call assemble_external.
6059         * expr.c (emit_block_move_libcall_fn): Likewise.
6060         (clear_storage_libcall_fn): Likewise.
6061         (expand_expr_addr_expr_1): Likewise.
6062         (expand_expr_real_1): Likewise.
6063         * calls.c (rtx_for_function_call): Likewise.
6065         * varasm.c (assemble_external): Assert this function is only called
6066         during or after expanding to RTL.
6068 2012-03-26  Martin Jambor  <mjambor@suse.cz>
6070         PR tree-optimization/50052
6071         * tree-sra.c (tree_non_aligned_mem_p): Removed.
6072         (tree_non_aligned_mem_for_access_p): Likewise.
6073         (build_accesses_from_assign): Removed strict alignment requirements
6074         checks.
6075         (access_precludes_ipa_sra_p): Likewise.
6077 2012-03-26  Richard Guenther  <rguenther@suse.de>
6079         PR tree-optimization/52701
6080         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
6081         compute and set the evolution part of PHI nodes.
6083 2012-03-26  Richard Guenther  <rguenther@suse.de>
6085         PR tree-optimization/52721
6086         * tree-vect-stmts.c (vect_init_vector): Handle scalars.
6088 2012-03-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
6090         PR tree-optimization/52686
6091         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
6092         WIDEN_LSHIFT_EXPR.
6094 2012-03-26  Tristan Gingold  <gingold@adacore.com>
6096         * config/alpha/vms.h (LINK_SPEC): Simplify.
6097         (STARTFILE_SPEC): Remove -mvms-return-codes handling.
6098         (NAME__MAIN, SYMBOL__MAIN): Remove.
6099         (VMS_DEBUG_MAIN_POINTER): Remove.
6100         * config/ia64/vms.h: Likewise.
6101         * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
6102         code to vms.c.  Call vms_start_function.
6103         * config/ia64/ia64.c (ia64_start_function): Likewise.
6104         * config/vms/vms-protos.h (vms_start_function): Declare.
6105         * config/vms/vms.c (vms_start_function): New function.
6106         * config/vms/vms.h (MATH_LIBRARY): Define.
6107         (VMS_DEBUG_MAIN_POINTER): Define.
6109 2012-03-26  Eric Botcazou  <ebotcazou@adacore.com>
6111         PR rtl-optimization/52629
6112         * reload1.c (count_pseudo): Short-circuit common case.
6113         (count_spilled_pseudo): Return early for pseudos without hard regs.
6114         Assert that the pseudo has got a hard reg before manipulating it.
6116 2012-03-24  Jan Hubicka  <jh@suse.cz>
6118         PR lto/51663
6119         * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
6120         (decide_is_variable_needed): Do not handle toplevel reorder here.
6121         * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
6122         * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
6123         even at -O0.
6125 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
6127         * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
6128         and str_bitsize instead of more convoluted expressions.
6130 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
6132         PR target/52610
6133         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
6135 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
6137         PR target/52656
6138         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
6140 2012-03-23  Martin Jambor  <mjambor@suse.cz>
6142         * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
6144 2012-03-23  Richard Guenther  <rguenther@suse.de>
6146         PR tree-optimization/52678
6147         * tree-vectorizer.h (struct _stmt_vec_info): Add
6148         loop_phi_evolution_part member.
6149         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
6150         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
6151         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
6152         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6153         Use the cached evolution part and the PHI nodes value from
6154         the loop preheader edge instead of re-analyzing the evolution.
6156 2012-03-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
6158         * config/mips/mips-tables.opt: Update.
6159         * config/mips/mips.md (processor): Add xlp.
6160         * config/mips/mips-cpus.def: Add xlp.
6161         * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
6162         5KF for now.
6163         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
6164         * doc/invoke.texi: Mention XLP.
6166 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
6168         PR middle-end/52547
6169         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
6170         on any new_local_var_chain vars declared during recursing on
6171         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
6173 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
6175         * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
6176         (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
6177         (ASM_OUTPUT_LOCAL): Ditto.
6178         (ASM_OUTPUT_COMMON): Remove.
6179         * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
6180         * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
6182 2012-03-22  Jan Hubicka  <jh@suse.cz>
6184         PR middle-end/51737
6185         * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
6186         parameter.
6187         * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
6188         * ipa-inline-transform.c (save_inline_function_body): Remove
6189         copied clone if needed.
6190         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
6192 2012-03-22  Richard Guenther  <rguenther@suse.de>
6194         PR middle-end/52666
6195         * fold-const.c (fold_ternary_loc): Fix typo.
6197 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
6199         PR target/52496
6200         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
6201         (unspecv): Add UNSPECV_MEMORY_BARRIER.
6202         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
6203         (delay_cycles_1, delay_cycles_2): Ditto.
6204         (delay_cycles_3, delay_cycles_4): Ditto.
6205         (nopv, *nopv): Ditto.
6206         (sleep, *sleep): Ditto.
6207         (wdr, *wdr): Ditto.
6209 2012-03-22  Richard Guenther  <rguenther@suse.de>
6211         PR tree-optimization/52548
6212         * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
6213         because of clobbers.
6214         (prune_clobbered_mems): New function.
6215         (compute_antic_aux): Use it to prune ANTIC_OUT.
6216         (compute_partial_antic_aux): Use it to prune PA_IN.
6217         (compute_avail): Only insert expressions into EXP_GEN that are not
6218         invalidated when translated up to the beginning of the block.
6220 2012-03-22  Richard Guenther  <rguenther@suse.de>
6222         PR tree-optimization/52638
6223         * tree-vect-stmts.c (vect_init_vector_1): New function, split
6224         out from ...
6225         (vect_init_vector): ... here.  Handle scalar vector inits.
6226         (vect_get_vec_def_for_operand): Adjust.
6227         (vectorizable_load): Likewise.
6229 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
6231         * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
6232         (alpha*-*-freebsd*): Ditto.
6233         (alpha*-*-netbsd*): Ditto.
6234         (alpha*-*-openbsd*): Ditto.
6235         * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
6236         (DWARF2_DEBUGGING_INFO): Remove.
6237         (PREFERRED_DEBUGGING_TYPE): Remove.
6238         (ASM_FINAL_SPEC): Remove.
6239         (IDENT_ASM_OP): Remove.
6240         (ASM_OUTPUT_IDENT): Remove.
6241         (SKIP_ASM_OP): Remove.
6242         (ASM_OUTPUT_SKIP): Remove.
6243         (ALIGN_ASM_OP): Remove.
6244         (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
6245         (ASM_OUTPUT_CASE_LABEL): Remove.
6246         (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
6247         (COMMON_ASM_OP): Remove.
6248         (ASM_OUTPUT_ALIGNED_COMMON): Remove.
6249         (ASCII_DATA_ASM_OP): Remove.
6250         (READONLY_DATA_SECTION_ASM_OP): Remove.
6251         (INIT_SECTION_ASM_OP): Remove.
6252         (FINI_SECTION_ASM_OP): Remove.
6253         (ASM_SECTION_START_OP): Remove.
6254         (ASM_OUTPUT_SECTION_START_FILE): Remove.
6255         (TARGET_ASM_NAMED_SECTION): Remove.
6256         (TARGET_ASM_SELECT_SECTION): Remove.
6257         (MAKE_DECL_ONE_ONLY): Remove.
6258         (TYPE_ASM_OP): Remove.
6259         (SIZE_ASM_OP): Remove.
6260         (ASM_WEAKEN_LABEL): Remove.
6261         (TYPE_OPERAND_FMT): Remove.
6262         (ASM_DECLARE_RESULT): Remove.
6263         (ASM_DECLARE_OBJECT_NAME): Remove.
6264         (ASM_FINISH_DECLARE_OBJECT): Remove.
6265         (ELF_ASCII_ESCAPES): Remove.
6266         (ELF_STRING_LIMIT): Remove.
6267         (STRING_ASM_OP): Remove.
6268         (ASM_OUTPUT_EXTERNAL): Remove.
6269         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
6270         * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
6271         before define.
6272         (ASM_DECLARE_FUNCTION_NAME): Ditto.
6273         (ASM_DECLARE_FUNCTION_SIZE): Ditto.
6274         (ASM_GENERATE_INTERNAL_LABEL): Ditto.
6275         (ASM_OUTPUT_SKIP): Ditto.
6276         (READONLY_DATA_SECTION_ASM_OP): Remove.
6277         (USER_LABEL_PREFIX): Remove.
6278         (ASM_OUTPUT_ASCII): Remove.
6279         (ASM_OUTPUT_CASE_LABEL): Remove.
6280         (NO_DOLLAR_IN_LABEL): Undefine.
6282 2012-03-22  Richard Guenther  <rguenther@suse.de>
6284         PR tree-optimization/52459
6285         * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
6286         PHI insertion for calls.
6288 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
6290         * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
6291         find_sets_in_insn, canonicalize_insn): Split out from ...
6292         (cse_insn): ... here.
6293         (invalidate_from_clobbers): Take an insn instead of the pattern.
6295 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
6297         PR target/52479
6298         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
6299         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
6300         * config/sh/sh.md (sindf2, cosdf2): Remove.
6302 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
6304         PR target/52642
6305         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
6306         prologue for unwinder and profiler.
6308 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
6310         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
6311         Introduce emul_name to select the right linker emulation for
6312         powerpc64-*-freebsd*.
6313         * configure: Regenerate.
6314         * config.gcc: Add bits to support powerpc64-*-freebsd*.
6315         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
6316         * config/rs6000/freebsd64.h: New file.
6317         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
6318         POWERPC_FREEBSD.
6319         (rs6000_savres_strategy): Likewise.
6320         (rs6000_savres_routine_name): Likewise.
6321         (rs6000_elf_file_end): Likewise.
6322         * config/rs6000/t-freebsd64: New file.
6323         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
6324         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
6326         * config/rs6000/freebsd64.h: Remove duplicated entries from last
6327         commit.
6328         * config/rs6000/t-freebsd64: Likewise.
6330 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
6332         PR rtl-optimization/52543
6333         PR target/52461
6334         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
6335         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
6336         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
6337         (avr_load_libgcc_p): Restrict to __flash loads.
6338         (avr_out_lpm): Only handle 1-byte loads from __flash.
6339         (avr_load_lpm): New function.
6340         (avr_find_unused_d_reg): Remove.
6341         (avr_out_lpm_no_lpmx): Remove.
6342         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
6343         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
6344         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
6345         (load_<mode>, load_<mode>_clobber): New insns.
6346         (mov<mode>): For multi-byte move from non-generic
6347         16-bit address spaces: Expand to load_<mode> resp.
6348         load_<mode>_clobber.
6349         (load<mode>_libgcc): Remove expander.
6350         (split-lpmx): Remove split.
6352 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
6354         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
6355         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
6356         All callers changed.
6357         (Fixed_core_reg): New feature.
6358         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
6359         disassembly.
6360         * neon-testgen.ml: Handle Fixed_core_reg.
6362 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
6364         * config/arm/arm.c (thumb2_reorg): Add complete support
6365         for 16-bit instructions.
6366         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
6368 2012-03-21  Richard Guenther  <rguenther@suse.de>
6370         PR tree-optimizer/52636
6371         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
6372         to the appropriate type.
6374 2012-03-21  Richard Guenther  <rguenther@suse.de>
6376         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
6377         dependencies.
6378         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
6379         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
6380         * passes.c (init_optimization_passes): Remove pass_init_function,
6381         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
6382         * tree-pass.h (pass_init_function): Remove.
6383         (pass_jump): Remove.
6384         (pass_initial_value_sets): Remove.
6385         (pass_unshare_all_rtl): Remove.
6386         * integrate.c (pass_initial_value_sets): Remove.
6387         * emit-rtl.c (pass_unshare_all_rtl): Remove.
6388         * tree.h (init_function_for_compilation): Remove.
6389         * function.c (init_function_for_compilation): Remove.
6390         (pass_init_function): Remove.
6391         * cfgcleanup.c (rest_of_handle_jump): Remove.
6392         (pass_jump): Remove.
6394 2012-03-20  Jason Merrill  <jason@redhat.com>
6396         * tree-streamer-in.c (streamer_alloc_tree): Call
6397         ggc_alloc_zone_cleared_tree_node instead of
6398         ggc_alloc_zone_cleared_tree_node_stat.
6400 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
6402         * doc/extend.texi (Template Instantiation): Remove anachronisms.
6404 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
6406         PR target/52607
6407         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
6408         (ix86_expand_vec_perm_const_1): Call it.
6410         * config/i386/i386.c (vselect_insn): New variable.
6411         (init_vselect_insn): New function.
6412         (expand_vselect, expand_vselect_insn): Add testing_p argument.
6413         Call init_vselect_insn if vselect_insn is NULL.  Adjust
6414         PATTERN (vselect_insn), instead of creating a new insn each time,
6415         only emit a copy of it if not testing and recog has been successful.
6416         (expand_vec_perm_pshufb, expand_vec_perm_1,
6417         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
6418         callers.
6420         PR target/52607
6421         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
6422         ("enabled" attribute): Handle avx2 and noavx2 isas.
6423         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
6424         New insns.
6425         (vec_dup<mode>): Add avx2 =x,x alternative.
6426         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
6427         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
6428         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
6429         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
6430         for V8SFmode.
6431         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
6432         if possible, handle also V8SFmode.
6434 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
6436         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
6437         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
6438         reg_or_zero_operand predicate.
6439         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
6441 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
6443         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
6444         If operand isn't UNSPEC, return 0.
6446 2012-03-20  Richard Guenther  <rguenther@suse.de>
6448         * tree-pass.h (pass_rtl_eh): Remove.
6449         * except.c (gate_handle_eh): Likewise.
6450         (rest_of_handle_eh): Likewise.
6451         (pass_rtl_eh): Likewise.
6452         (finish_eh_generation): Export.
6453         * except.h (finish_eh_generation): Declare.
6454         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
6455         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
6456         after expanding stack alignment.  Instead of compacting blocks
6457         call cleanup_cfg.
6459 2012-03-20  Richard Guenther  <rguenther@suse.de>
6461         * stor-layout.c (finish_bitfield_representative): Fallback
6462         to conservative maximum size if the padding up to the next
6463         field cannot be computed as a constant.
6464         (finish_bitfield_layout): If we cannot compute the distance
6465         between the start of the bitfield representative and the
6466         bitfield member start a new representative.
6467         * expr.c (get_bit_range): The distance between the start of
6468         the bitfield representative and the bitfield member is zero
6469         if the field offsets are not constants.
6471 2012-03-20  Tristan Gingold  <gingold@adacore.com>
6473         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
6474         convert in lowercase.
6475         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
6476         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
6477         * stor-layout.c (sizetype_tab): Adjust.
6478         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
6479         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
6480         instead of type_kind_last.
6481         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
6482         instead of size_int_kind.
6483         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
6484         * doc/tm.texi: Regenerate.
6485         * defaults.h (SIZETYPE): Provide a default value.
6486         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
6487         (SIZETYPE): Define.
6489 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
6491         * config/sh/sh.md: Use braced string notation where applicable.
6493 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
6495         * config/i386/i386.md (allocate_stack): Simplify.
6497 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
6499         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
6500         copy_to_mode_reg (Pmode, ...).
6501         (expand_builtin_frame_address): Ditto.
6502         * expr.c (emit_block_move_via_libcall): Ditto.
6503         (set_storage_via_libcall): Ditto.
6505         * config/i386/i386.c (ix86_expand_movmem): Ditto.
6506         (ix86_expand_setmem): Ditto.
6507         (ix86_trampoline_init): DItto.
6508         * config/i386/i386.md (cmpstrnsi): Ditto.
6510 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
6512         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
6513         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
6514         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
6515         (SH Options): Likewise.
6517 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
6519         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
6520         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
6521         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
6522         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
6523         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
6525         Revert:
6526         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
6528         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
6529         * config/i386/i386.c (ix86_decompose_address): Use
6530         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
6531         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
6532         thread pointer to a register.
6534         Revert:
6535         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6537         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
6538         if Pmode != word_mode.
6539         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
6540         Pmode == SImode for TARGET_X32.
6542         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
6543         (tls_initial_exec_x32): Likewise.
6545 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
6547         PR target/50751
6548         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
6549         DISP_ADDR_OFFSET): New macros.
6550         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
6551         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
6552         (sh_legitimize_address): Add QImode displacement handling.
6553         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
6554         vector subregs.
6555         (sh_secondary_reload): Add QImode displacement handling.
6556         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
6557         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
6558         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
6559         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
6560         to register operands only.
6561         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
6562         (extendqihi2): Change insn to expander.
6563         (*extendqihi2_compact_reg): New insn.
6564         (movqi_i, movqi): Replace with ...
6565         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
6566         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
6567         Add new peepholes for QImode displacement addressing.
6569 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
6571         PR c++/14710
6572         * doc/invoke.texi: Document -Wuseless-cast.
6574 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6576         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
6577         * tree.h (handled_component_p): Reorder cases.
6578         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
6579         not initialize unsignedp.
6580         (loc_list_from_tree): Likewise.
6581         (fortran_common): Likewise.
6582         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
6584 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
6586         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
6587         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
6588         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
6589         (ix86_split_long_move): Ditto.
6590         (legitimize_tls_address): Use ix86_gen_sub3.
6591         (construct_plt_address): Assert that Pmode == DImode.
6593 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
6595         * config/i386/i386.md: Remove empty predicates and/or constraints.
6596         * config/i386/sync.md: Ditto.
6597         * config/i386/sse.md: Ditto.
6598         * config/i386/mmx.md: Ditto.
6599         * config/i386/pentium.md: Ditto.
6600         * config/i386/athlon.md: Ditto.
6602 2012-03-16  Richard Guenther  <rguenther@suse.de>
6604         PR tree-optimization/52603
6605         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
6606         comment.
6608         Revert
6609         2012-03-14  Richard Guenther  <rguenther@suse.de>
6611         PR tree-optimization/52571
6612         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
6613         flag_section_anchors check ...
6614         (vect_can_force_dr_alignment_p): ... here.
6616 2012-03-16  Martin Jambor  <mjambor@suse.cz>
6618         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
6619         memory through MEM_REFs by calling extract_bit_field.
6621 2012-03-16  Richard Guenther  <rguenther@suse.de>
6623         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
6624         and REFERENCE_TYPE interpretations.
6625         (can_native_interpret_type_p): New function.
6626         (fold_ternary_loc): Use native encode/interpret to fold
6627         BIT_FIELD_REFs of constants.
6629 2012-03-16  Richard Guenther  <rguenther@suse.de>
6631         PR middle-end/52584
6632         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
6633         of vector constants and constructors.
6635 2012-03-16  Richard Guenther  <rguenther@suse.de>
6637         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
6638         VIEW_CONVERT_EXPR to convert constants.
6639         (vect_is_simple_use): Treat all constants as vec_constant_def.
6641 2012-03-16  Richard Guenther  <rguenther@suse.de>
6642             Kai Tietz  <ktietz@redhat.com>
6644         PR middle-end/48814
6645         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
6646         side-effects completely in the pre-queue and use a temporary
6647         for the result.
6649 2012-03-16  Richard Guenther  <rguenther@suse.de>
6651         * stor-layout.c (finish_bitfield_representative): Fall back
6652         to the conservative maximum size if we cannot compute the
6653         size of the tail padding.
6655 2012-03-16  Tristan Gingold  <gingold@adacore.com>
6657         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
6658         __CRTL_VER and __VMS_VER.
6659         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
6660         and vms_c_get_vms_ver.
6661         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
6662         functions.
6663         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
6664         (VMS_DEFAULT_VMS_VER): Define.
6665         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
6666         (VMS_DEFAULT_VMS_VER): Define.
6668 2012-03-16  Richard Guenther  <rguenther@suse.de>
6670         * tree-vect-loop.c (get_initial_def_for_induction): Use
6671         build_constructor directly.
6672         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
6673         build_vector_from_val.
6674         * tree.c (build_vector_from_val): Avoid creating a constructor
6675         first when we want a constant vector.
6677 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6679         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
6681 2012-03-16  Richard Guenther  <rguenther@suse.de>
6683         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
6684         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
6685         (struct tree_vector): Remove elements member, add variable size
6686         elts array member.
6687         (build_vector_stat): Declare.
6688         (build_vector): Define in terms of build_vector_stat.
6689         * tree.c (build_vector): Rename to ...
6690         (build_vector_stat): ... this.  Take array of trees as parameter.
6691         (build_vector_from_ctor): Adjust.
6692         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
6693         initializer_zerop): Adjust.
6694         * cfgexpand.c (expand_debug_expr): Likewise.
6695         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
6696         const_vector_from_tree): Likewise.
6697         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
6698         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
6699         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
6700         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
6701         (lto_input_ts_vector_tree_pointers): Adjust.
6702         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
6703         (write_ts_vector_tree_pointers): Adjust.
6704         * varasm.c (const_hash_1, compare_constant, copy_constant,
6705         output_constant): Adjust.
6706         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
6707         * print-tree.c (print_node): Adjust.
6708         * tree-pretty-print.c (dump_generic_node): Adjust.
6709         * tree-vect-generic.c (uniform_vector_p, vector_element,
6710         lower_vec_perm): Adjust.
6711         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
6712         * tree-vect-slp.c (vect_get_constant_vectors,
6713         vect_transform_slp_perm_load): Adjust.
6714         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
6715         * expmed.c (make_tree): Adjust.
6716         * config/i386/i386.c (ix86_expand_builtin): Adjust.
6717         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
6718         and implementation.
6719         (sparc_fold_builtin): Adjust.
6721 2012-03-16  Tristan Gingold  <gingold@adacore.com>
6723         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
6724         * config/vms/vms-stdint.h: New file.
6726 2012-03-16  Tristan Gingold  <gingold@adacore.com>
6728         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
6729         (ia64-hp-*vms*): Replaced by ...
6730         (*-*-*vms*): ... This new entry.
6732 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
6734         PR target/52568
6735         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
6736         (ix86_expand_vec_perm_const_1): Use it.
6738         PR target/52568
6739         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
6740         (avx2_permv4df): Remove.
6741         (avx2_permv4di): Macroize into...
6742         (avx2_perm<mode>): ... this using VI8F_256 iterator.
6743         (avx2_permv4di_1): Macroize into...
6744         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
6746 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
6748         * combine.c (apply_distributive_law): Do not distribute SUBREG.
6750 2012-03-15  Ira Rosen  <irar@il.ibm.com>
6751             Ulrich Weigand  <ulrich.weigand@linaro.org>
6753         * tree-vect-patterns.c (widened_name_p): Rename to ...
6754         (type_conversion_p): ... this.  Add new argument to determine
6755         if it's a promotion or demotion operation.  Check for
6756         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
6757         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
6758         widened_name_p.
6759         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
6760         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
6761         Likewise.
6762         (vect_recog_mixed_size_cond_pattern): Likewise and allow
6763         non-constant then and else clauses.
6765 2012-03-15  Ira Rosen  <irar@il.ibm.com>
6766             Ulrich Weigand  <ulrich.weigand@linaro.org>
6768         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
6769         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
6770         vect_pattern_recog.
6771         * tree-vect-patterns.c (widened_name_p): Pass basic block
6772         info to vect_is_simple_use.
6773         (vect_recog_dot_prod_pattern): Fail for basic blocks.
6774         (vect_recog_widen_sum_pattern): Likewise.
6775         (vect_handle_widen_op_by_const): Support basic blocks.
6776         (vect_operation_fits_smaller_type,
6777         vect_recog_over_widening_pattern): Likewise.
6778         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
6779         Update call to vect_is_simple_use.
6780         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
6781         Add printing.
6782         (check_bool_pattern): Add an argument, update call to
6783         vect_is_simple_use and the recursive calls.
6784         (vect_recog_bool_pattern): Update relevant function calls.
6785         Add printing.
6786         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
6787         (vect_pattern_recog_1): Check for reduction only in loops.
6788         (vect_pattern_recog): Add new argument.  Support basic blocks.
6789         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
6790         info to vect_is_simple_use_1.
6791         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
6792         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
6794 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
6795             Andrew Pinski  <apinski@cavium.com>
6797         PR middle-end/52592
6798         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
6799         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
6800         calls instead of __builtin_ir{int,ound}*.
6802 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6804         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
6805         documentation.
6807 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
6809         * config.gcc (target_type_format_char): New. Document it. Set it for
6810         arm*-*-* .
6811         * configure.ac (gnu_unique_option): Use target_type_format_char
6812         in test.  Comment rationale.
6813         * configure: Regenerate .
6815 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
6817         PR tree-optimization/52267
6818         * tree-vrp.c (masked_increment): New function.
6819         (register_edge_assert_for_2): Derive ASSERT_EXPRs
6820         from (X & CST1) cmp CST2 tests.
6822 2012-03-15  Richard Guenther  <rguenther@suse.de>
6824         PR middle-end/52580
6825         * tree-data-ref.c (subscript_dependence_tester_1): Check
6826         all dimensions for non-conflicting access functions.
6828 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6830         PR c++/44783
6831         * doc/invoke.texi [C++ Language Options]: Document
6832         -ftemplate-backtrace-limit.
6834 2012-03-15  Tristan Gingold  <gingold@adacore.com>
6836         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
6837         before a parameter.
6839 2012-03-15  Tristan Gingold  <gingold@adacore.com>
6841         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
6842         use DW_OP_call_frame_cfa.
6844 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6846         PR target/50797
6847         * config/i386/i386-opts.h (pmode): New.
6849         * config/i386/i386.c (ix86_option_override_internal): Properly
6850         check and set ix86_pmode.
6852         * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
6854         * config/i386/i386.opt (maddress-mode=): New.
6856         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
6858 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6860         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
6861         (dwarf2out_do_cfi_asm): Likewise.
6862         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
6863         handling.
6864         (add_data_member_location_attribute): Likewise.
6865         (gen_array_type_die): Likewise.
6866         (gen_subprogram_die): Likewise.
6867         (gen_producer_string): Likewise.
6868         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
6869         Remove MIPS_DEBUGGING_INFO handling.
6870         (sdb_debug_hooks): Likewise.
6871         (sdbout_begin_block): Likewise.
6872         (sdbout_end_block): Likewise.
6873         (sdbout_begin_prologue): Likewise.
6874         (sdbout_start_source_file): Likewise.
6875         (sdbout_end_source_file): Likewise.
6876         (sdbout_init): Likewise.
6877         * system.h (MIPS_DEBUGGING_INFO): Poison.
6879 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6881         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
6882         (alpha_file_start) [MS_STAMP]: Remove.
6884         * config/alpha/elf.h (TARGET_GAS): Remove.
6885         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
6886         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
6887         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
6888         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
6889         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
6890         (alpha*-*-freebsd*): Likewise.
6891         (alpha*-*-netbsd*): Likewise.
6892         (alpha*-*-openbsd*): Likewise.
6893         (alpha*-*-*): Remove target_cpu_default2.
6894         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
6895         handling.
6896         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
6897         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
6898         * config/alpha/alpha.c (print_operand): Always assume
6899         TARGET_AS_SLASH_BEFORE_SUFFIX.
6900         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
6901         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
6902         ("*builtin_setjmp_receiver_er_1"): Remove.
6903         * config/alpha/alpha.opt (malpha-as): Remove.
6904         (mgas): Ignore.
6905         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
6906         -malpha-as, -mgas.
6907         Remove DEC Unix reference.
6909         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
6910         (EXTENDED_COFF): Remove.
6911         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
6912         (EXTENDED_COFF): Don't undef.
6913         * config/alpha/alpha.c (alpha_file_start): Always assume
6914         OBJECT_FORMAT_ELF.
6915         Don't set targetm.asm_file_start_file_directive.
6916         [!OBJECT_FORMAT_ELF]: Remove.
6917         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
6919         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
6920         (DBX_DEBUGGING_INFO): Remove.
6921         (MIPS_DEBUGGING_INFO): Remove.
6922         (PREFERRED_DEBUGGING_TYPE): Remove.
6923         (DBX_OUTPUT_SOURCE_LINE): Remove.
6924         (SDB_OUTPUT_SOURCE_LINE): Remove.
6925         (DBX_CONTIN_LENGTH): Remove.
6926         (NO_DBX_FUNCTION_END): Remove.
6927         (ASM_STABS_OP): Remove.
6928         (ASM_STABN_OP): Remove.
6929         (ASM_STABD_OP): Remove.
6930         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
6931         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
6932         (PUT_SDB_DEF): Remove.
6933         (PUT_SDB_PLAIN_DEF): Remove.
6934         (PUT_SDB_TYPE): Remove.
6935         (sdb_label_count): Remove.
6936         (PUT_SDB_BLOCK_START): Remove.
6937         (PUT_SDB_BLOCK_END): Remove.
6938         (PUT_SDB_FUNCTION_START): Remove.
6939         (PUT_SDB_FUNCTION_END): Remove.
6940         (PUT_SDB_EPILOGUE_END): Remove.
6941         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
6942         (MIPS_DEBUGGING_INFO): Don't undef.
6943         (DBX_DEBUGGING_INFO): Don't undef.
6944         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
6945         (MIPS_DEBUGGING_INFO): Don't undef.
6946         (DBX_DEBUGGING_INFO): Don't undef.
6947         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
6948         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
6949         handling.
6950         (alpha_start_function): Likewise.
6951         (sdb_label_count): Remove.
6952         (alpha_output_filename): Remove DBX_DEBUG handling.
6953         (alpha_file_start): Likewise.
6955 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6957         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
6958         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
6959         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
6960         Solaris 8 support.
6961         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
6962         (ld_tls_support): Remove Solaris 8 references.
6963         (lwp_dir, lwp_spec): Remove support for alternate thread library.
6964         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
6965         * configure: Regenerate.
6966         * config.in: Regenerate.
6968         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
6969         * config/i386/sol2.h: Remove Solaris 8 references.
6971         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
6972         (i?86-*-solaris2.9): ... this.
6973         Remove Solaris 8 references.
6974         (Specific, *-*-solaris2*): Document Solaris 8 removal.
6975         Remove Solaris 8 references.
6977 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6979         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
6980         (mips-sgi-irix6.5*): Remove.
6981         * config.host (mips-sgi-irix*): Remove.
6982         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
6983         (set_have_as_tls): Remove *-*-irix6*.
6984         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
6985         * configure: Regenerate.
6987         * config/mips/iris6.h: Remove.
6988         * config/mips/iris6.opt: Remove.
6989         * config/mips/t-irix6: Remove.
6991         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
6992         (TARGET_IRIX6): Remove.
6993         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
6994         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
6995         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
6996         handling.
6997         (mips_file_start): Likewise.
6998         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
7000         * config/mips/driver-native.c [__sgi__]: Remove.
7001         (host_detect_local_cpu) [__sgi__]: Remove.
7003         * config/mips/gnu-user.h: Remove iris5.h reference.
7005         * config/mips/mips-modes.def: Remove IRIX 6 reference.
7006         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
7007         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
7008         Remove.
7010         * gcc.c (main): Move asm_debug initialization ...
7011         (asm_debug): ... here.
7013         * ginclude/stddef.h (__STDDEF_H__): Don't define.
7015         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
7016         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
7017         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
7018         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
7019         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
7020         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
7021         Remove.
7022         * doc/tm.texi: Regenerate.
7024         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
7025         IRIX 6 reference.
7026         (MIPS Options, -march): Remove IRIX reference.
7027         * doc/install.texi (Binaries, SGI IRIX): Remove.
7028         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
7029         of section.
7030         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
7032 2012-03-14  Martin Jambor  <mjambor@suse.cz>
7034         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
7035         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
7036         (expand_expr_real_1): Do not handle misalignment if modifier is
7037         EXPAND_WRITE.
7039 2012-03-14  Richard Guenther  <rguenther@suse.de>
7041         PR middle-end/52584
7042         * tree-vect-generic.c (type_for_widest_vector_mode): Take
7043         element type instead of mode, use build_vector_type_for_mode
7044         instead of the langhook, build a vector of proper signedness.
7045         (expand_vector_operations_1): Adjust.
7047 2012-03-14  Richard Guenther  <rguenther@suse.de>
7049         PR middle-end/52582
7050         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
7051         a cgraph node for a FUNCTION_DECL that comes from a constructor.
7052         (gimple_get_virt_method_for_binfo): Likewise.
7054 2012-03-14  Richard Guenther  <rguenther@suse.de>
7056         PR tree-optimization/52571
7057         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
7058         flag_section_anchors check ...
7059         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
7060         DECL_COMMON variables.
7062 2012-03-14  Richard Guenther  <rguenther@suse.de>
7064         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
7065         * stor-layout.c (start_bitfield_representative): New function.
7066         (finish_bitfield_representative): Likewise.
7067         (finish_bitfield_layout): Likewise.
7068         (finish_record_layout): Call finish_bitfield_layout.
7069         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
7070         for QUAL_UNION_TYPE fields.
7071         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
7072         Stream DECL_BIT_FIELD_REPRESENTATIVE.
7073         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
7075         PR middle-end/52080
7076         PR middle-end/52097
7077         PR middle-end/48124
7078         * expr.c (get_bit_range): Unconditionally extract bitrange
7079         from DECL_BIT_FIELD_REPRESENTATIVE.
7080         (expand_assignment): Adjust call to get_bit_range.
7082 2012-03-14  Richard Guenther  <rguenther@suse.de>
7084         PR middle-end/52578
7085         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
7086         the outermost conversion is a sign-change only.
7087         (fold_binary_loc): Disregard widening and sign-changing
7088         conversions when we determine if two variables are equal
7089         for reassociation.
7090         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
7091         (T1)x if the outermost conversion is a sign-change only.
7093 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
7095         Revert:
7096         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
7098         * config/i386/predicates.md (constant_call_address_operand): Declare
7099         as special predicate.  Update all uses.
7101 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
7103         PR c/52577
7104         * c-parser.c (c_parser_postfix_expression)
7105         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
7107         * config/i386/smmintrin.h: Avoid /* within a comment.
7108         * config/i386/nmmintrin.h: Likewise.
7110 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7112         * config/i386/i386.md (xbegin): Remove constraint from expander.
7114 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7116         * config/i386/predicates.md (constant_call_address_operand): Declare
7117         as special predicate.  Update all uses.
7118         * config/i386/i386.md: Remove mode from constant_call_address_operand
7119         predicates.
7120         * config/i386/i386.c (ix86_output_call_insn): Call
7121         constant_call_address_operand with VOIDmode.
7123 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7125         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
7126         AND zero extended address correctly.
7128 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7130         * config/i386/predicates.md (tls_symbolic_operand): Declare as
7131         special predicate.
7132         (tls_modbase_operand): Ditto.
7133         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
7134         tls_modbase_operand predicates.
7136 2012-03-13  Martin Jambor  <mjambor@suse.cz>
7138         * expr.c (expand_assignment): Handle misaligned scalar writes to
7139         memory through top-level MEM_REFs by calling store_bit_field.
7141 2012-03-13  Richard Guenther  <rguenther@suse.de>
7143         PR middle-end/52134
7144         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
7145         if Y is a constant multiple of 1 << CST.
7147 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
7149         PR target/52488
7150         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
7151         offset (size) to a value the insns can deal with.
7152         (expand_epilogue): Ditto.
7154 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
7156         * config/arm/neon.ml (ops): Fixup expected instructions for
7157         unsigned vector compares.
7159 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7161         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
7162         addresses only when %reg is not in word mode.
7164 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7166         * config/microblaze/microblaze.md: Fix typo.
7167         * tree-if-conv.c: Likewise.
7168         * tree-vect-patterns.c: Likewise.
7170 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7172         * config.gcc (extra_passes): Remove.
7173         * configure.ac (extra_passes): Don't substitute.
7174         * configure: Regenerate.
7175         * Makefile.in (EXTRA_PASSES): Remove.
7176         (GCC_PASSES): Remove $(EXTRA_PASSES).
7177         (MOSTLYCLEANFILES): Likewise.
7178         (native): Likewise.
7179         (install-common): Likewise.
7181 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
7183         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
7184         * config/i386/i386.c (ix86_decompose_address): Use
7185         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
7186         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
7187         thread pointer to a register.
7189 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7191         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
7192         on tls_symbolic_operand.
7193         (tls_global_dynamic_64_<mode>): Likewise.
7195 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
7197         PR other/52545
7198         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
7199         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
7201 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
7203         PR target/52499
7204         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
7205         type from reg_class_t to enum reg_class.
7206         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
7208 2012-03-12  Andrew Pinski  <apinski@cavium.com>
7210         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
7211         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
7212         (value_replacement): Likewise.
7213         (empty_block_p): Check also if the PHIs for the block are empty.
7215 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
7217         PR target/52148
7218         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
7219         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
7220         r184615 from 2012-02-28.
7222 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7224         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
7225         (ix86_gen_tls_local_dynamic_base_64): Likewise.
7226         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
7227         and ix86_gen_tls_local_dynamic_base_64.
7228         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
7229         ix86_gen_tls_local_dynamic_base_64.
7231         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
7232         (*tls_global_dynamic_64_<mode>): This.
7233         (tls_global_dynamic_64): Renamed to ...
7234         (tls_global_dynamic_64_<mode>): This.
7235         (*tls_local_dynamic_base_64): Renamed to ...
7236         (*tls_local_dynamic_base_64_<mode>): This.
7237         (tls_local_dynamic_base_64): Renamed to ...
7238         (tls_local_dynamic_base_64_<mode>): This.
7240 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7242         * config/i386/i386.c (ix86_option_override_internal): Properly
7243         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
7244         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
7245         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
7246         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
7248         * config/i386/sse.md (sse3_monitor64): Renamed to ...
7249         (sse3_monitor64_<mode>): This.
7251 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7253         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
7254         (ia64_function_arg_advance): Ditto.
7256 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7258         * config.gcc (mips*-*-openbsd*): Remove.
7259         * config/mips/openbsd.h: Remove.
7260         * config/mips/sdb.h: Remove.
7262         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
7263         * config/mips/mips.c (sdb_label_count): Remove.
7264         (mips_debugger_offset): Remove #if 0 code.
7265         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
7266         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
7268 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7270         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
7271         binutils reference.
7272         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
7273         Update binutils references.
7274         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
7275         Update binutils reference.
7276         Update Sun as/GNU ld caveat.
7277         Document binutils largefile requirement for LTO plugin.
7278         Remove reference to alternate libpthread.
7280 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7282         * config.gcc (alpha*-dec-osf5.1*): Remove.
7283         * config.host (alpha*-dec-osf*): Remove.
7284         * configure.ac (*-*-osf*): Remove.
7285         (alpha*-dec-osf*): Remove.
7286         * configure: Regenerate.
7288         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
7289         config/alpha/va_list.h, config/alpha/x-osf: Remove.
7291         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
7292         * config/alpha/alpha.c (struct machine_function): Update comment.
7293         (alpha_start_function): Remove Tru64 UNIX as handling for
7294         max_frame_size.
7295         * config/alpha/alpha.md ("exception_receiver"): Remove
7296         TARGET_LD_BUGGY_LDGP.
7297         ("*exception_receiver_2"): Likewise.
7298         * except.c (finish_eh_generation): Remove Tru64 reference.
7299         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
7300         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
7301         * target.def (handle_pragma_extern_prefix): Remove.
7303         * Makefile.in (mips-tfile.o-warn): Remove.
7304         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
7305         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
7306         * mips-tdump.c, mips-tfile.c: Remove.
7308         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
7309         extern_prefix.
7310         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
7311         (Specific, alpha*-dec-osf5.1): Note removal.
7312         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
7313         Remove.
7314         * doc/tm.texi: Regenerate.
7315         * doc/trouble.texi (Cross-Compiler Problems): Remove.
7317 2012-03-12  Richard Guenther  <rguenther@suse.de>
7319         * config/arm/arm.c (neon_dereference_pointer): Do not call
7320         covert during RTL expansion.
7322 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7324         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
7325         Options.  Mention -mpointer-size.
7327 2012-03-12  Richard Guenther  <rguenther@suse.de>
7329         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
7330         build_nonstandard_integer_type.
7332 2012-03-12  Richard Guenther  <rguenther@suse.de>
7334         * tree.c (signed_or_unsigned_type_for): Use
7335         build_nonstandard_integer_type.
7336         (signed_type_for): Adjust documentation.
7337         (unsigned_type_for): Likewise.
7338         * tree-pretty-print.c (dump_generic_node): Use standard names
7339         for non-standard integer types if available.
7341 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7343         * config/vms/vms.opt: Add vms-opts.h header.
7344         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
7345         target mask.
7346         (-mvms-return-codes): Document.
7347         (-mpointer-size): New option.
7348         (vms_pointer_size): Add enumeration.
7349         * config/vms/vms-opts.h: New file.
7350         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
7351         __INITIAL_POINTER_SIZE.
7352         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
7353         (C_COMMON_OVERRIDE_OPTIONS): Define.
7354         (DWARF2_ADDR_SIZE): Define.
7355         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
7356         * config/vms/vms-protos.h (vms_c_common_override_options):
7357         New prototype.
7358         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
7359         if -mno-pointer-size.
7360         (vms_c_common_override_options): New function.
7361         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
7362         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
7363         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
7364         and flag_vms_pointer_size.
7365         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
7366         * config.gcc (*-*-*vms*): Define xm_file.
7367         (alpha*-dec-*vms*): Do not define xm_file.
7368         (alpha64-dec-*vms*): Remove.
7369         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
7370         and tmake_file.
7372 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
7374         PR tree-optimization/51721
7375         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
7376         if (int) unsvar cmp CST.
7378 2012-03-12  Richard Guenther  <rguenther@suse.de>
7380         * tree-sra.c (create_access_replacement): Only rename the replacement
7381         if we can rewrite it into SSA form.  Properly mark register typed
7382         replacements that we cannot rewrite with TREE_ADDRESSABLE.
7383         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
7384         for aggregate or BLKmode results.
7386 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
7388         PR tree-optimization/52533
7389         * tree-vrp.c (register_edge_assert_for_2): Use double_int
7390         type for mask, only handle shifts by non-zero in-range
7391         shift count, for LE_EXPR and GT_EXPR if new_val is
7392         maximum, don't add the assertion.
7394 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
7396         * doc/invoke.texi: Document -mrtm option.
7397         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
7398         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
7399         (ix86_handle_option): Handle OPT_mrtm.
7400         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
7401         xtestintrin.h.
7402         (x86_64-*-*): Ditto.
7403         * i386-builtin-types.def (INT_FTYPE_VOID): New.
7404         * config/i386/i386-c.c (ix86_target_macros_internal): Define
7405         __RTM__ if needed.
7406         (ix86_target_string): Define -mrtm option.
7407         (PTA_RTM): New.
7408         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
7409         Handle new option.
7410         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
7411         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
7412         IX86_BUILTIN_XTEST.
7413         (bdesc_special_args): Ditto.
7414         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
7415         (ix86_expand_special_args_builtin): Handle new built-in type.
7416         (ix86_expand_builtin): Handle XABORT instruction.
7417         * config/i386/i386.h (TARGET_RTM): New.
7418         * config/i386/i386.md (UNSPECV_XBEGIN): New.
7419         (UNSPECV_XEND): Ditto.
7420         (UNSPECV_XABORT): Ditto.
7421         (UNSPECV_XTEST): Ditto.
7422         (xbegin): Ditto.
7423         (xbegin_1): Ditto.
7424         (xend): Ditto.
7425         (xabort): Ditto
7426         (xtest): Ditto.
7427         (xtest_1): Ditto.
7428         * config/i386/i386.opt (mrtm): New.
7429         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
7430         * config/i386/rtmintrin.h: New header.
7431         * config/i386/xtestintrin.h: Ditto.
7433 2012-03-12  Tristan Gingold  <gingold@adacore.com>
7435         * ginclude/stddef.h: Adjust previous patch.
7436         Use __VMS__ instead of VMS.
7438 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
7440         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
7441         Also convert sequences with CC setting arithmetic instruction.
7443 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
7445         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
7446         from C Language Options to Preprocessor Options.
7447         (C Dialect Options): Move -no-integrated-cpp documentation
7448         from here...
7449         (Preprocessor Options): ...to here.  Rewrite the description
7450         so it makes more sense, and remove discussion of merging front ends.
7452 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7454         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
7455         needed for loop.
7456         (ix86_expand_setmem): Likewise.
7458 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
7460         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
7461         convert_to_mode.
7463 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7465         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
7466         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
7468 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7470         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
7472 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7474         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
7475         TARGET_64BIT.
7477 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
7478             Uros Bizjak  <ubizjak@gmail.com>
7480         * config/i386/predicates.md (call_insn_operand): Allow
7481         constant_call_address_operand in Pmode only.
7482         (sibcall_insn_operand): Ditto.
7483         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
7484         (*call_vzeroupper): Ditto.
7485         (*sibcall): Ditto.
7486         (*sibcall_vzeroupper): Ditto.
7487         (*call_value): Ditto.
7488         (*call_value_vzeroupper): Ditto.
7489         (*sibcall_value): Ditto.
7490         (*sibcall_value_vzeroupper): Ditto.
7491         (*indirect_jump): Ditto.
7492         (*tablejump_1): Ditto.
7493         (indirect_jump): Convert memory address to word mode for TARGET_X32.
7494         (tablejump): Ditto.
7495         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
7496         to word mode.
7498 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
7500         PR target/51244
7501         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
7502         Use movrt_negc instead of negc pattern for non-SH2A.
7503         (*movnegt): Remove.
7504         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
7506 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
7508         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
7509         if Pmode != word_mode.
7510         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
7511         Pmode == SImode for TARGET_X32.
7513         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
7514         (tls_initial_exec_x32): Likewise.
7516 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
7518         PR rtl-optimization/52528
7519         * combine.c (can_combine_p): Add setting of subst_low_luid
7520         before call to expand_field_assignment().
7522 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
7524         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
7525         and related program names.
7527 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
7529         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
7531 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
7533         PR target/52530
7534         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
7535         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
7536         to set code to 'q'.
7537         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
7538         (*movdi_internal_rex64): Use %E operand modifier for lea.
7539         (*movsi_internal): Ditto.
7540         (*lea_1): Ditto.
7541         (*lea<mode>_2): Ditto.
7542         (*lea_{3,4,5,6}_zext): Ditto.
7543         (*tls_global_dynamic_32_gnu): Ditto.
7544         (*tls_global_dynamic_64): Ditto.
7545         (*tls_dynamic_gnu2_lea_32): Ditto.
7546         (*tls_dynamic_gnu2_lea_64): Ditto.
7547         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
7549 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
7551         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
7552         redefine to be NULL if the current bit-size is different from the
7553         configured bit-size.
7555         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
7556         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
7557         set the default tuning.  Add asserts to make sure the cpu and tune
7558         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
7559         test whether the index is set, instead of > 0.
7560         (rs6000_file_start): Do not reset the default cpu if the current
7561         bit-size is different from the configured bit-size.
7563 2012-03-09  Tristan Gingold  <gingold@adacore.com>
7565         * config/vms/vms-crtlmap.map: Add comments.
7566         Add entries needed to build Ada RTS.
7568 2012-03-09  Tristan Gingold  <gingold@adacore.com>
7570         * ginclude/stddef.h: Do not define __size_t on VMS.
7572 2012-03-09  Tristan Gingold  <gingold@adacore.com>
7574         * c-tree.h (c_default_pointer_mode): New variable.
7575         * c-decl.c (c_default_pointer_mode): New variable.
7576         (c_build_pointer_type): New function.
7577         (grokdeclarator): Call c_build_pointer_type instead
7578         of build_pointer_type.
7580         * config/vms/vms-c.c: Include c-tree.h
7581         (saved_pointer_mode): New variable.
7582         (handle_pragma_pointer_size): New function.
7583         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
7584         (vms_c_register_pragma): Register __pointer_size and
7585         __required_pointer_size pragmas.
7587 2012-03-09  Tristan Gingold  <gingold@adacore.com>
7589         * config/vms/vms-c.c (vms_construct_include_filename): New function.
7590         (vms_c_register_includes): Reference it.
7592 2012-03-09  Andrew Pinski  <apinski@cavium.com>
7594         PR middle-end/51988
7595         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
7596         print_generic_expr.
7597         (tree_ssa_phiopt_worker): Go through all the PHIs for
7598         value_replacement instead of just the singleton one.
7599         (value_replacement): Change return type to int.  Return 0 instead of
7600         false.
7601         Allow the middle basic block to contain more than just the defining
7602         statement.
7603         Handle non empty middle basic blocks.
7604         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
7606 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
7608         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
7609         array reference and component reference.
7610         (analyze_scalar_evolution_for_address_of): New.
7612 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
7614         PR target/49862
7615         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
7616         (hwloop_pattern_reg): Fix set but not used warning.
7617         (bfin_reorg_loops): Remove unused parameter.
7618         (bfin_reorg): Update use of bfin_reorg_loops.
7620 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
7622         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
7623         with integer parameters in registers.
7624         (gen_push): Push register in word_mode instead of Pmode.
7625         (ix86_emit_save_regs): Likewise.
7626         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
7627         (gen_pop): Pop register in word_mode instead of Pmode.
7628         (ix86_emit_restore_regs_using_pop): Likewise.
7629         (ix86_expand_prologue): Replace Pmode with word_mode for push
7630         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
7631         restore RAX and R10 in word_mode.
7632         (ix86_emit_restore_regs_using_mov): Restore integer registers
7633         in word_mode.
7634         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
7635         word_mode.
7636         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
7637         (ix86_split_long_move): Likewise.
7639         * config/i386/i386.md (W): New.
7640         (*push<mode>2_prologue): Replace :P with :W.
7641         (*pop<mode>1): Likewise.
7642         (*pop<mode>1_epilogue): Likewise.
7643         (push/pop peephole2): Use word_mode scratch registers.
7645 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
7647         * config/i386/predicates.md (indirect_branch_operand): Simplify.
7649 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
7651         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
7652         for constants in [-63,63].
7654 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
7656         PR target/52530
7657         Revert:
7658         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
7660         * config/i386/i386.c (ix86_print_operand_address): Only handle
7661         zero-extended DImode addresses.
7663 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7665         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
7666         * configure: Regenerate.
7668 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
7670         PR target/52496
7671         * config/avr/avr.c (avr_mem_clobber): New static function.
7672         (avr_expand_delay_cycles): Add memory clobber operand to
7673         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
7674         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
7675         (enable_interrupt, disable_interrupt): New expander.
7676         (nopv, sleep, wdr): New expanders.
7677         (delay_cycles_1): Add memory clobber.
7678         (delay_cycles_2): Add memory clobber.
7679         (delay_cycles_3): Add memory clobber.
7680         (delay_cycles_4): Add memory clobber.
7681         (cli_sei): New insn from former "enable_interrupt",
7682         "disable_interrupt" with memory clobber.
7683         (*wdt): New insn from former "wdt" with memory clobber.
7684         (*nopv): Similar, but for "nopv".
7685         (*sleep): Similar, but for "sleep".
7687 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
7688             Kaz Kojima  <kkojima@gcc.gnu.org>
7690         PR target/52503
7691         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
7692         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
7693         (SUBTARGET_OVERRIDE_OPTIONS): Define.
7695 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
7697         * config/i386/predicates.md (x86_64_zext_general_operand): New.
7698         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
7699         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
7701 2012-03-07  Walter Lee  <walt@tilera.com>
7703         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
7704         REG_CFA_* notes for the stack pointer.
7705         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
7706         EH_RETURN_STACKADJ_RTX.
7707         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
7708         generate REG_CFA_* notes for the stack pointer.
7709         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
7710         by EH_RETURN_STACKADJ_RTX.
7712 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
7714         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
7715         when __AVR_3_BYTE_PC__ is defined.
7717 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
7719         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
7720         (ix86_print_operand): Handle '^'.
7721         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
7722         using P mode iterator.  Add %^ to asm template to conditionally emit
7723         addr32 prefix.
7724         (*rep_movdi_rex64): Ditto.
7725         (*strsetdi_rex_1): Ditto.
7726         (*rep_stosdi_rex64): Ditto.
7727         (*strmov{si,hi,qi}_1): Add %^ to asm template to
7728         conditionally emit addr32 prefix.
7729         (*rep_mov{si,qi}): Ditto.
7730         (*strset{si,hi,qi}): Ditto.
7731         (*rep_stos{si,qi}): Ditto.
7732         (*cmpstrnqi_nz_1): Ditto.
7733         (*cmpstrnqi_1): Ditto.
7734         (*strlenqi_1): Ditto.
7736 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
7738         * config/i386/i386.c (function_value_64): Return pointers in
7739         word_mode instead of Pmode.
7740         (ix86_promote_function_mode): Likewise.
7742 2012-03-07  Richard Guenther  <rguenther@suse.de>
7744         * coverage.c (get_gcov_type): Use type_for_mode.
7745         (get_gcov_unsigned_t): Likewise.
7746         * expr.c (store_constructor): Use type_for_mode.
7747         (try_casesi): Likewise.
7748         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
7749         (add_standard_iv_candidates): Use standard type trees.
7750         * dojump.c (do_jump): Remove dead code.
7752 2012-03-07  Richard Guenther  <rguenther@suse.de>
7754         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
7756 2012-03-07  Richard Guenther  <rguenther@suse.de>
7758         * convert.c (strip_float_extensions): Move ...
7759         * tree.c (strip_float_extensions): ... here.
7761 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
7763         PR target/52484
7764         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
7766 2012-03-07  Richard Guenther  <rguenther@suse.de>
7768         * omp-low.c (extract_omp_for_data): Use signed_type_for.
7769         (expand_omp_for_generic): Likewise.
7770         (expand_omp_for_static_nochunk): Likewise.
7771         (expand_omp_for_static_chunk): Likewise.
7772         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
7773         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
7774         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
7775         Use unsigned_type_for.
7776         (vect_create_cond_for_align_checks): Use signed_type_for.
7778 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
7780         PR rtl-optimization/52203
7781         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
7782         all callers to pass NULL except ...
7783         (reset_sched_cycles_in_current_ebb): ... here, save the value
7784         in new variable 'empty'.  Increase issue_rate only for
7785         non-empty insns.
7787 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
7789         PR target/51417
7790         * Makefile.in: Let install-gcc-ar depend on installdirs,
7791         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
7792         Don't double canonicalize if cross-compiling.
7794 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
7796         PR target/52506
7797         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
7798         to: RAMPZ, RAMPY, RAMPX, RAMPD.
7799         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
7801 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
7803         PR target/52505
7804         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
7805         from RAM.
7806         * config/avr/avr.md (xload_8): Adjust insn length.
7808 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
7810         PR target/52461
7811         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
7812         if RAMPZ affects reading from RAM.
7814 2012-03-07  Richard Guenther  <rguenther@suse.de>
7816         PR pch/52518
7817         PR pch/38987
7818         * doc/invoke.texi (Precompiled Headers): Remove sentence that
7819         suggests you can include PCHs from inside another header.
7821 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
7823         PR middle-end/52515
7824         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
7826 2012-03-07  Kai Tietz  <ktietz@redhat.com>
7828         * doc/invoke.texi (fwritable-relocated-rdata): Document
7829         new Cygwin/MinGW target option.
7830         * config/i386/winnt.c (i386_pe_unique_section): Ignore
7831         reloc if flag -fwritable-relocated-rdata is not set.
7832         (i386_pe_section_type_flags): Likewise.
7833         * config/i386/cygming.opt (fwritable-relocated-rdata):
7834         Add new flag variable flag_writable_rel_rdata.
7836 2012-03-07  Richard Guenther  <rguenther@suse.de>
7838         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
7839         precision against gimple constraints.
7841 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
7843         PR middle-end/52372
7844         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
7845         variables.
7846         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
7847         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
7848         variables.
7849         (init_emit_regs): Move associated initialization to...
7850         (init_emit_once): ...here.
7852 2012-03-06  Richard Henderson  <rth@redhat.com>
7854         * config/m68k/m68k.h (ISA_HAS_TAS): New.
7855         * config/m68k/sync.md (atomic_test_and_set): Use it.
7856         (atomic_test_and_set_1): Likewise.
7858 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
7860         PR target/50310
7861         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
7862         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
7863         (vector_ltgt<mode>): Likewise.
7864         (vector_ordered<mode>): Likewise.
7865         (vector_unordered<mode>): Likewise.
7866         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
7868 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
7870         * trans-mem.c: New typedef for tm_region_p.
7871         Define vector types for tm_region_p.
7872         (tm_region_init): Replace region_worklist to a vector called
7873         bb_regions.
7875 2012-03-06  Richard Guenther  <rguenther@suse.de>
7877         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
7878         MEM_REF with constant pointer operand.
7880 2012-03-06  Richard Guenther  <rguenther@suse.de>
7882         PR middle-end/52493
7883         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
7885 2012-03-06  Tristan Gingold  <gingold@adacore.com>
7887         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
7888         (external_model_kind): Improve documentation.
7889         (vms_pragma_extern_model): Handle relaxed_redef.
7890         (vms_c_register_pragma): Allow expansion for nomember_alignment.
7892 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
7894         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
7895         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
7896         Some more notes on EIND usage and reorder EIND subsection.
7898 2012-03-06  Tristan Gingold  <gingold@adacore.com>
7900         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
7901         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
7903 2012-03-06  Tristan Gingold  <gingold@adacore.com>
7905         * config/vms/t-vmsnative (version): Define.
7906         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
7908 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
7910         PR rtl-optimization/52250
7911         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
7912         to put note list into.  Unconditionally call move_bb_info.
7913         (move_bb_info): Do not assert the blocks being in the same region,
7914         just drop the note list if they are not.
7916 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
7918         PR target/51244
7919         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
7920         and use unified expansion logic.
7921         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
7922         closer to the existing movt insn.
7923         (negc): Rename insn to *negc.  Add new expander.
7924         (movnegt): Use xor pattern for T bit negation.  Reserve helper
7925         constant for negc pattern.
7926         (*movnegt): New insn and splitter.
7928 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
7930         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
7931         PLUS_EXPR.
7933 2012-03-05  Richard Henderson  <rth@redhat.com>
7935         * genemit.c (main): Include "target.h" in insn-emit.c.
7936         * Makefile.in (insn-emit.o): Depend on TARGET_H.
7937         * config/sh/sync.md (atomic_test_and_set): Reference
7938         targetm.atomic_test_and_set_trueval instead of
7939         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
7941 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
7943         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
7944         Make static.
7946 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
7948         * langhooks.c (add_builtin_type): New function.
7949         * langhooks.h (add_builtin_type): Export it.
7950         * config/mep/mep.c (mep_init_builtins): Use it.
7951         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
7953 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
7955         PR debug/51902
7956         * tree.h (BLOCK_SAME_RANGE): Define.
7957         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
7958         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
7959         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
7960         isn't equal to supercontext fragment's fragment chain.
7961         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
7962         fragment origin.
7963         (blocks_nreverse_all): Likewise.
7964         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
7965         BLOCK_SUPERCONTEXT to supercontext fragment instead of
7966         supercontext fragment's fragment origin.
7967         * dwarf2out.c (add_high_low_attributes): If stmt has the same
7968         range as its parent (or parents thereof etc.), use the parent's
7969         DW_AT_ranges value instead of creating a new .debug_ranges range.
7971 2012-03-05  Richard Henderson  <rth@redhat.com>
7973         PR tree-opt/52242
7974         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
7975         * omp-low.c (expand_omp_atomic): Assume anything aligned to
7976         BIGGEST_ALIGNMENT is aligned.
7978 2012-03-05  Richard Henderson  <rth@redhat.com>
7980         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
7981         * config/sh/sh.c: ... here.
7983 2012-03-05  Richard Henderson  <rth@redhat.com>
7985         PR target/52481
7986         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
7987         instead of calling negqi2 directly.
7989 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
7991         PR middle-end/52463
7992         * trans-mem.c (tm_region_init): Use last_basic_block.
7994 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
7996         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
7997         * config/sh/sync.md (atomic_test_and_set): New expander.
7998         (tasb, atomic_test_and_set_soft): New insns.
7999         * config/sh/sh.opt (menable-tas): New option.
8000         * doc/invoke.texi (SH Options): Document it.
8002 2012-03-05  Richard Guenther  <rguenther@suse.de>
8004         * cfgloop.c (verify_loop_structure): Verify dominators before
8005         using them.
8006         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
8007         dominators from here.
8008         * graphite-scop-detection.c (create_sese_edges): Likewise.
8009         * loop-doloop.c (doloop_optimize_loops): Likewise.
8010         * loop-init.c (loop_optimizer_init): Likewise.
8011         * loop-unroll.c (unroll_and_peel_loops): Likewise.
8012         * loop-unswitch.c (unswitch_loops): Likewise.
8013         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
8014         * tree-parloops.c (parallelize_loops): Likewise.  Verify
8015         only when checking is enabled.
8016         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
8018 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
8020         * genautomata.c (parse_automata_opt): New static function.
8021         (initiate_automaton_gen): Remove all option handling code.  Remove
8022         argc argument.  All callers changed.
8023         (main): Call init_rtx_reader_args_cb with the new function as argument.
8025 2012-03-05  Richard Guenther  <rguenther@suse.de>
8027         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
8028         * tree-if-conv.c (combine_blocks): Free post-dominator info
8029         after breaking it.
8030         * tree-parloops.c (create_parallel_loop): Free and re-compute
8031         dominator info after breaking it.
8033 2012-03-05  Richard Guenther  <rguenther@suse.de>
8035         PR middle-end/52353
8036         * optabs.h (trapv_unoptab_p): New function.
8037         (trapv_binoptab_p): Likewise.
8038         * optabs.c (expand_binop): Use emit_libcall_block_1 with
8039         a proper equiv_may_trap argument.
8040         (expand_unop): Likewise.
8041         (emit_libcall_block_1): Take extra argument whether the
8042         instruction may trap.  Renamed from ...
8043         (emit_libcall_block): ... this.  New wrapper.
8045 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
8047         PR tree-optimization/51721
8048         * tree-vrp.c (register_edge_assert_for_2): If comparing
8049         lhs of right shift by constant with an integer constant,
8050         add ASSERT_EXPRs for the rhs1 of the right shift.
8052         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
8054 2012-03-05  Richard Guenther  <rguenther@suse.de>
8056         * tree.c (integer_zerop): Handle VECTOR_CSTs.
8057         (integer_onep): Likewise.
8058         (integer_all_onesp): Likewise.
8060 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
8062         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
8064 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8066         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
8067         instead of TARGET_64BIT.
8069 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8071         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
8072         adjust_stack_insn.
8074 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8076         * config/i386/i386.c (ix86_print_operand_address): Only handle
8077         zero-extended DImode addresses.
8079 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
8081         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
8082         taken and cputaken as bool.
8084 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
8086         * config/i386/constraints.md (Ya): New internal constraint.
8087         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
8088         (*zero_extendsidi2_rex64): Add x,x alternative.
8089         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
8090         Remove flags reg clobber.  Adjust corresponding splits.
8091         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
8092         zero_extendqisi2 expanders using SWI12 mode iterator.
8093         (zero_extend<mode>si2_and): Macroize insn from
8094         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
8095         splitters.
8096         (*zero_extend<mode>si2):  Macroize insn from
8097         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
8098         (*zero_extend*2_movzbl_and): Remove insn patterns.
8099         (zero_extendqihi2_and): Merge corresponding splitter.
8100         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
8101         (*zero_extend*2_movzbl_and): Remove insn patterns.
8102         (*anddi_1): Split TYPE_IMOVX instructions.
8103         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
8104         (*andhi_1): Ditto.
8105         (and->zext splitter): Add splitter pattern.
8106         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
8108 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
8110         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
8111         x86-specific text.
8112         (Debugging Options): Likewise.
8113         (Optimize Options): Likewise.
8114         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
8115         with other architectures.  Use official processor names with correct
8116         spelling/capitalization.  Fix formatting and grammar issues.
8117         (i386 and x86-64 Windows Options): Similar cleanup here.
8119 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8121         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
8123 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8125         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
8126         DBX_REGISTER_NUMBER.
8128 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8130         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
8131         operand is CONST_INT.  Take COSTS_N_INSNS into account.
8132         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
8133         of shiftcosts.
8135 2012-03-02  Richard Henderson  <rth@redhat.com>
8137         * optabs.c (expand_atomic_test_and_set): Honor
8138         atomic_test_and_set_trueval even when atomic_test_and_set
8139         optab is not in use.
8141 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
8143         PR target/48596
8144         PR target/48806
8145         * config/sh/sh.c (sh_register_move_cost): Increase cost between
8146         GENERAL_REGS and FP_REGS for SImode.
8148 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8150         PR target/49486
8151         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
8152         (absdi2): New expander.
8153         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
8155 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8157         * config/sh/sync.md (atomic_exchange<mode>): New expander.
8158         (atomic_exchange<mode>_soft): New insn.
8160 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8162         * config/sh/sync.md: Update copyright notice dates.
8163         (atomic_compare_and_swap<mode>): Use SImode for return value instead
8164         of QImode.
8165         (atomic_compare_and_swap<mode>_soft): Likewise.
8167 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
8169         PR target/31640
8170         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
8171         * config/sh/sh.c: Update copyright notice dates.
8172         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
8173         alignment for TARGET_HARD_SH4.
8174         (sh_option_override): Reduce default function alignment.  Set
8175         loop alignment to 4 bytes when not optimizing for size.
8177 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
8179         PR middle-end/50335
8180         * doc/invoke.texi (floop-flatten): Remove.
8181         * toplev.c (process_options): Remove references to flag_loop_flatten.
8182         * tree-ssa-loop.c (gate_graphite_transform): Same.
8183         * common.opt (floop-flatten): Obsolete.
8184         * graphite-poly.c (apply_poly_transforms): Remove reference to
8185         flag_loop_flatten.
8186         * Makefile.in (graphite-flattening.o): Remove.
8187         * graphite-flattening.c: Remove.
8189 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
8191         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
8192         having mode compatible with the mode of previous compare.  Substitute
8193         compare mode of previous compare with the mode, compatible
8194         with eliminated and previous compare.
8196 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
8198         * config/rs6000/dfp.md (floatdidd2): New define_insn.
8200 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
8202         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
8203         compatible with CCGOCmode and CCGCmode.
8205 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
8207         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
8209 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
8211         * config/arm/arm.c (arm_sat_operator_match): New function.
8212         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
8213         * config/arm/arm.md ("insn" attribute): Add "sat" value.
8214         ("SAT", "SATrev"): New code iterators.
8215         ("SATlo", "SAThi"): New code iterator attributes.
8216         ("*satsi_<SAT:code>"): New pattern.
8217         ("*satsi_<SAT:code>_shift"): Likewise.
8218         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
8219         and "shift" attributes.
8220         ("arm_usatsihi"): Add "insn" attribute.
8221         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
8222         by powers of two.  Do not allow shift by 32.
8224 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
8226         PR target/46716
8227         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
8228         to pass the argument in the register of "natural" mode.
8230 2012-03-02  Richard Guenther  <rguenther@suse.de>
8232         PR tree-optimization/52406
8233         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
8234         (struct indices): Add unconstrained_base member.
8235         (struct dr_alias): Remove unused vops member.
8236         (DR_UNCONSTRAINED_BASE): New define.
8237         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
8238         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
8239         be an artificial access that covers the whole indexed object,
8240         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
8241         plain decl base-objects to their MEM_REF variant.
8242         (dr_may_alias_p): When the base-object of either data reference
8243         has unknown size use only points-to information.
8244         (compute_affine_dependence): Make dumps easier to read and
8245         more verbose.
8246         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
8247         DR_REF when looking for packed references.
8248         (vect_supportable_dr_alignment): Likewise.
8250 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
8252         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
8253         Improve conditions for peepholes of loads followed by commutative
8254         operators.
8255         * config/arm/ldmstm.md: Regenerated.
8257 2012-03-02  Richard Guenther  <rguenther@suse.de>
8259         * BASE-VER: Set to 4.8.0.
8261 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
8263         * config.gcc (obsolete): Add all ARM targets using the FPA.
8264         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
8265         * doc/install.texi: Avoid references to obsolete ARM ports.
8267 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
8269         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
8271 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
8272             Joern Rennecke  <joern.rennecke@embecosm.com>
8274         * doc/extend.texi: Expand and update information on interrupt
8275         attribute for Epiphany.
8277 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
8279         * config/sh/sh-protos.h: Update copyright notice dates.
8280         * config/sh/sh.h: Likewise.
8281         * config/sh/sh.md: Likewise.
8282         * config/sh/constraints.md: Likewise.
8283         * config/sh/predicates.md: Likewise.
8285 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
8287         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
8288         * config/sh/sh.c (tertiary_reload_operand): Likewise.
8290 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
8292         * config/sh/constraints.md: Fix comment typo.
8294 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8296         PR target/52408
8297         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
8298         unsigned HOST_WIDE_INT.
8299         (zvdep_imm64): Likewise.
8300         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
8301         (vdepi_and): Likewise.
8302         Likewise for unamed 64-bit patterns.
8303         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
8305 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
8307         PR debug/52001
8308         PR rtl-optimization/52417
8309         * cselib.c (cselib_any_perm_equivs): New variable.
8310         (cselib_reset_table): Check that it's not set when not
8311         preserving constants.
8312         (cselib_add_permanent_equiv): Set it.
8313         (cselib_have_permanent_equivalences): New.
8314         (cselib_init, cselib_finish): Reset it.
8315         * cselib.h (cselib_have_permanent_equivalences): Declare.
8316         * alias.c (get_addr): Restore earlier behavior when there
8317         aren't permanent equivalences.
8319 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
8321         * config/mn10300/mn10300-modes.def: Fix copyright notice.
8322         * config/v850/v850-modes.def: Fix copyright notice.
8324 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
8326         * doc/extend.texi (AVR Built-in Functions): Document
8327         __builtin_avr_flash_segment.
8329         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
8330         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
8331         (*split.flash_segment): New insn-and-split.
8332         * config/avr/avr.c (avr_init_builtins): Add local variables:
8333         const_memx_void_node, const_memx_ptr_type_node,
8334         char_ftype_const_memx_ptr.
8336 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
8338         PR tree-optimization/52445
8339         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
8340         add ssa_name_ver, offset and size fields and change store field
8341         to bool.
8342         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
8343         (add_or_mark_expr): Likewise.  Only consider previous stores
8344         with the same size and offset.
8345         (nt_init_block): Only look at gimple_assign_single_p stmts,
8346         doesn't look at rhs2.
8348 2012-03-01  Richard Guenther  <rguenther@suse.de>
8350         PR middle-end/52443
8351         * tree-cfg.c (verify_gimple_assign_unary): Allow any
8352         conversions from integral types to pointer types.
8354 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
8356         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
8357         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
8358         unintentionally removed in r184616.
8360 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
8362         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
8363         3DNow from bdver1.
8365 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
8366             Uros Bizjak  <ubizjak@gmail.com>
8368         PR target/52437
8369         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
8370         alternatives, add "e" constraint to the new last alternative
8371         and ! to last 3 alternatives.
8373 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8375         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
8376         DW_AT_artificial attributes at the end of the processing.
8377         (gen_array_type_die): Likewise.
8378         (gen_enumeration_type_die): Likewise.
8379         (gen_struct_or_union_type_die): Likewise.
8380         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
8381         the parent type.
8383 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
8385         PR middle-end/52419
8386         * expr.c (expand_assignment): If doing misaligned store that doesn't
8387         cover all mode bits, perform a RMW cycle.
8389         PR tree-optimization/52429
8390         * tree-parloops.c (separate_decls_in_region_debug): Return early
8391         if var is LABEL_DECL.
8393 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8395         PR tree-optimization/52424
8396         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
8397         calling dom_thread_across_edge.
8399 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8401         * config/avr/avr.c: Move definition of TARGET macros to end of file.
8403 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8405         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
8406         * config/avr/avr.c (avr_output_bld): Remove unused function.
8407         (avr_out_sbxx_branch): Use "%T" to print bit position.
8409 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8411         * config/avr/avr.md: Untabify.
8413 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8415         * config/avr/avr.md (eqne): New code iterator.
8416         (*dec-and-branchsi): Use it in text peephole's condition.
8417         (*dec-and-branchhi): Ditto.
8418         (*dec-and-branchqi): Ditto.
8420 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
8422         PR target/49939
8423         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
8424         the device does not have the skip-bug.
8426 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
8428         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
8429         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
8430         -mpretend-cmove): New.
8432 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
8434         PR bootstrap/52397
8435         * df.h (struct df_d): Adjust comment that hard_regs_live_count
8436         doesn't count DEBUG_INSN refs.
8437         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
8438         for DEBUG_INSN refs.
8440 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8442         Partially revert:
8444         2012-02-20  Richard Guenther  <rguenther@suse.de>
8445         PR tree-optimization/52298
8446         * tree-vect-stmts.c (vectorizable_load): Properly use
8447         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
8449 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
8451         PR middle-end/51752
8452         * gimple.h (gimple_in_transaction): New.
8453         (gimple_set_in_transaction): New.
8454         (struct gimple_statement_base): Add in_transaction field.
8455         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
8456         transaction loads.
8457         (tree_ssa_lim_initialize): Compute transaction bits.
8458         * tree.h (compute_transaction_bits): Protoize.
8459         * trans-mem.c (tm_region_init): Use the heap to store BB
8460         auxilliary data.
8461         (compute_transaction_bits): New.
8463 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8465         * gcc.c (display_help): Document --help=common and sort entries
8466         alphabetically.
8468 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8470         * doc/install.texi: Document check-$LANG specific shortcuts
8472 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
8474         PR target/51534
8475         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
8476         and vcgtu.
8477         * config/arm/arm_neon.h: Regenerate.
8478         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
8479         (neon_vcgeu): New insn.
8480         (neon_vcgtu): Likewise.
8481         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
8482         (ops): Unsigned comparison intrinsics call a different builtin.
8484 2012-02-28  Richard Guenther  <rguenther@suse.de>
8486         PR target/52407
8487         * config/i386/i386.c (ix86_expand_vector_set): Fix element
8488         ordering for the VEC_CONCAT for two element vectors for
8489         V2SFmode, V2SImode and V2DImode.
8491 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
8493         PR target/49448
8494         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
8495         detecting big-endian triplets.
8497 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
8499         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
8500         mode if there is no type information available.
8502 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
8504         PR tree-optimization/53207
8505         * doc/invoke.texi: Document as experimental and relying on graphite.
8507 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
8509         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
8510         of initializer to changes from r184614.
8512 2012-02-28  Richard Guenther  <rguenther@suse.de>
8514         PR tree-optimization/52395
8515         * tree-sra.c (build_ref_for_offset): Also look at the base
8516         TYPE_ALIGN when figuring out the alignment of the replacement.
8518 2012-02-28  Richard Guenther  <rguenther@suse.de>
8520         PR tree-optimization/52402
8521         * ipa-prop.c (ipa_modify_call_arguments): Properly use
8522         mis-aligned types when creating the accesses at the call site.
8524 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
8526         * config/avr/builtins.def: New file.
8527         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
8528         * config/avr/avr.c (enum avr_builtin_id): Use it.
8529         (avr_init_builtins): Use it. And use avr_bdesc.
8530         (bdesc_1arg): Remove.
8531         (bdesc_2arg): Remove.
8532         (bdesc_3arg): Remove.
8533         (struct avr_builtin_description): Add field n_args.
8534         (avr_bdesc): New static variable using builtins.def.
8535         (avr_expand_builtin): Use it.
8536         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
8537         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
8538         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
8540 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
8542         PR target/52148
8543         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
8544         match only one single hard register with respective hard reg rtx.
8545         (movmemx_<mode>): Ditto.
8546         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
8547         insn anatomy of movmem[x]_<mode>.
8548         (avr_out_movmem): Same for printing assembler and operand usage.
8550 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
8552         PR target/49868
8553         PR target/52261
8554         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
8555         address spaces located outside of device flash.
8557         * config/avr/avr.h (base_arch_s): Remove field n_segments.
8558         (mcu_type_s): Add field n_flash.
8559         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
8560         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
8561         (AVR_MCU): Add N_FLASH argument.
8562         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
8563         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
8564         macro __FLASH<n> if that address space makes sense for the device.
8565         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
8566         outside of target flash.
8567         (avr_asm_named_section): Ditto.
8568         (avr_asm_select_section): Ditto.
8569         (avr_addr_space_convert): Ditto.
8570         (avr_emit_movmemhi): Ditto.
8571         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
8572         address space is outside of device flash.
8573         (avr_insert_attributes): Ditto.
8574         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
8575         avr_current_arch->n_segments.
8577 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
8579         PR target/52352
8580         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
8581         (*movabs<mode>_2): Likewise.
8583 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
8585         PR target/52375
8586         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
8587         s_register_operand in the test instead of REG_P.  Don't call
8588         gen_reg_rtx if it won't be used.
8590         PR tree-optimization/52376
8591         * ipa-split.c (split_function): Ignore CLOBBER stmts.
8593 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
8595         * ifcvt.c (noce_get_condition): Check condition variable is not
8596         small_register_classes_for_mode_p before accepting.
8598 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
8600         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
8602 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
8604         Revert:
8605         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
8606         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
8607         tuning parameters.
8608         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
8610 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
8612         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
8614 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
8616         * config/sh/predicates.md: Remove blank lines.
8617         * config/sh/sh.c: Fix typos in comments.
8618         * config/sh/constraints.md: Likewise.
8619         * config/sh/sh.md: Remove blank lines.
8620         Fix typos in comments.  Use ;; as comment characters.
8622 2012-02-26  Walter Lee  <walt@tilera.com>
8624         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
8625         (replace_mov_pcrel_step2): Ditto.
8627 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
8629         PR debug/52001
8630         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
8631         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
8632         and locs that reference values newer than the non-canonical value
8633         at hand.  Return the canonical value as a worst case.
8634         (memrefs_conflict_p): Walk canonical value's locs.
8636         PR debug/52001
8637         * cselib.c (preserve_only_constants): Rename to...
8638         (preserve_constants_and_equivs): ... this.  Split out...
8639         (invariant_or_equiv_p): ... this.  Preserve plus expressions
8640         of other preserved expressions too.
8641         (cselib_reset_table): Adjust.
8642         * var-tracking.c (reverse_op): Use canonical value to build
8643         reverse operation.
8645 2012-02-23  Kai Tietz  <ktietz@redhat.com>
8647         * config/i386/i386.c (ix86_delegitimize_address): Handle
8648         UNSPEC_PCREL plus displacement.
8650 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
8652         PR target/52261
8653         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
8654         to test for unusedness in st X addressing.
8656 2012-02-24  Richard Guenther  <rguenther@suse.de>
8658         PR middle-end/52361
8659         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
8660         (is_gimple_reg_type): Move inline ...
8661         * gimple.h (is_gimple_reg_type): ... here.
8663 2012-02-24  Richard Guenther  <rguenther@suse.de>
8665         PR middle-end/52361
8666         * passes.c (execute_function_todo): When verifying SSA form
8667         verify gimple form first.
8668         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
8670 2012-02-24  Richard Guenther  <rguenther@suse.de>
8672         PR middle-end/52355
8673         * fold-const.c (fold_addr_of_array_ref_difference): New function.
8674         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
8676 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8678         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
8680 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8682         * tree-phinodes.c (make_phi_node): Mark static.
8683         * tree-flow.h (make_phi_node): Remove extern decl.
8684         * doc/gimple.texi (make_phi_node): Remove documentation.
8686 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8688         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
8689         * tree-ssa-sccvn.c (print_scc): Ditto.
8691 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8693         * doc/passes.texi (Full redundancy elimination): Fix typo.
8695 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8697         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
8699 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
8701         PR bootstrap/52287
8702         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
8704 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
8706         PR c/52290
8707         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
8709 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
8711         * config/avr/avr.md (code_stdname): Add ior, xor.
8712         (xior): New code iterator.
8713         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
8714         (*<code_stdname><mode>qi.byte1-3): Ditto.
8716 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
8718         PR tree-optimization/52019
8719         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
8720         CLOBBER stmts.
8722 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8724         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
8725         HAVE_INITFINI_ARRAY to work around namespace pollution in
8726         certain versions of newlib system headers.
8727         * config.in: Regenerate.
8728         * configure: Regenerate.
8729         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
8730         instead of HAVE_INITFINI_ARRAY.
8732 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
8734         PR target/52330
8735         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
8736         is not offsettable memory reference.
8738 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
8740         PR target/18145
8741         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
8742         setting avr_need_clear_bss_p for __gnu_lto* symbols.
8744 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
8746         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
8747         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
8749 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8751         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
8752         library on Solaris 8 even without TLS support.
8753         * configure: Regenerate.
8755 2012-02-22  Richard Guenther  <rguenther@suse.de>
8757         PR middle-end/52329
8758         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
8759         for GIMPLE_DEBUG stmts.
8761 2012-02-22  Martin Jambor  <mjambor@suse.cz>
8763         PR middle-end/51782
8764         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
8765         according to the base object.
8767 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
8769         PR rtl-optimization/50063
8770         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
8771         and 2 (8-bit SP) in operand 2.
8772         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
8773         setup to use movhi_sp_r instead of vanilla move to write SP.
8774         Adjust REG_CFA notes to superseed unspec.
8775         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
8776         of vanilla move.
8777         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
8778         known to be off) only with TARGET_NO_INTERRUPTS. Never use
8779         irq_state 1 (IRQ known to be on) here.
8781 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
8783         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
8784         WORDS_BIG_ENDIAN.
8785         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
8786         assign_hard_reg): Likewise.
8788 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
8790         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
8792 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
8794         * config/avr/avr.md
8795         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
8796         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
8798 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
8800         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
8801         prototype from here to...
8802         * config/avr/avr.h: ...here.
8804 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
8806         PR target/52294
8807         * thumb2.md (thumb2_shiftsi3_short): Split register and
8808         immediate shifts.  For register shifts tie operands 0 and 1.
8809         (peephole2 for above): Check that register-controlled shifts
8810         have suitably tied operands.
8812 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
8814         PR target/52137
8815         * config/i386/bdver1.md (bdver1_call, bdver1_push,
8816         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
8817         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
8818         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
8819         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
8820         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
8821         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
8822         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
8823         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
8824         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
8825         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
8826         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
8827         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
8828         bdver1_ssevector_avx256_unaligned_load,
8829         bdver1_ssevector_sse128_unaligned_load,
8830         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
8831         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
8832         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
8833         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
8834         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
8835         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
8836         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
8837         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
8838         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
8839         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
8840         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
8841         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
8842         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
8843         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
8844         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
8845         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
8846         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
8847         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
8848         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
8849         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
8850         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
8851         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
8852         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
8853         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
8854         bdver1_ssediv_double_load, bdver1_ssediv_double,
8855         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
8856         Add "bdver2" attribute.
8858 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8860         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
8861         default if possible and not specified otherwise.
8863 2012-02-21  Richard Guenther  <rguenther@suse.de>
8865         PR middle-end/52314
8866         * gimplify.c (create_tmp_from_val): Use the main variant type
8867         for the type of the temporary we create.
8869 2012-02-21  Richard Guenther  <rguenther@suse.de>
8871         PR tree-optimization/52324
8872         * gimplify.c (gimplify_expr): When re-gimplifying expressions
8873         do not gimplify a MEM_REF address operand if it is already
8874         in suitable form.
8876 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8878         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
8879         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
8881 2012-02-21  Richard Guenther  <rguenther@suse.de>
8883         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
8884         nested_in_vect_loop.
8886 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
8888         PR tree-optimization/52318
8889         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
8890         vdef also to non-pure/const call stmts in the sequence.
8892 2012-02-21  Tristan Gingold  <gingold@adacore.com>
8894         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
8896 2012-02-20  David S. Miller  <davem@davemloft.net>
8898         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
8899         don't use the "rd %pc" instruction on v9 for PIC register loads.
8901 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
8903         PR middle-end/52141
8904         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
8905         in a transaction safe function.
8907 2012-02-20  Kai Tietz  <ktietz@redhat.com>
8909         PR target/52238
8910         * stor-layout.c (place_field): Handle desired_align for
8911         ms-bitfields, too.
8913 2012-02-20  Richard Guenther  <rguenther@suse.de>
8915         PR tree-optimization/52298
8916         * tree-vect-stmts.c (vectorizable_store): Properly use
8917         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
8918         outer loops.
8919         (vectorizable_load): Likewise.
8920         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
8921         Access DR_STEP after ensuring it is not NULL.
8923 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
8925         PR tree-optimization/52286
8926         * fold-const.c (fold_binary_loc): For (X & C1) | C2
8927         optimization use double_int_to_tree instead of build_int_cst_wide,
8928         rewrite to use double_int vars.
8930 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8932         PR target/50166
8933         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
8934         Define _start.
8935         Remove -e 0 from $gcc_cv_ld invocation.
8936         Only use __GLIBC_PREREQ if defined.
8937         Enable on Solaris since Solaris 8 patch.
8938         (gcc_SUN_LD_VERSION): New macro.
8939         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
8940         gcc_SUN_LD_VERSION for version number format.
8941         * configure: Regenerate.
8942         * varasm.c (get_elf_initfini_array_priority_section): Set
8943         SECTION_NOTYPE for non-default priority.
8944         Use get_section instead of get_unnamed_section to emit
8945         .init_array/.fini_array with default priority.
8947 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
8949         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
8950         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
8951         (mips_start_unique_function, mips_output_mips16_rdhwr)
8952         (mips_code_end): New functions.
8953         (TARGET_ASM_CODE_END): Define.
8955 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
8957         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
8958         to stubs with non-sibling calls.
8960 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
8962         * doc/invoke.texi (-fira-* options): Copy-edit.
8963         (ira-* parameters): Copy-edit.
8965 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
8967         * doc/invoke.texi: Minor copy-edits to bring into conformance with
8968         GCC coding conventions.
8970 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
8972         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
8973         when used as adjectives.
8975 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
8977         * doc/invoke.texi: Clean up "that"/"which" confusion.
8979 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
8981         * system.h: Poison SMALL_REGISTER_CLASSES
8982         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
8983         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
8985 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
8987         PR tree-optimization/52285
8988         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
8989         when deciding if a call is a tail call or tail recursion.
8991 2012-02-16  Kai Tietz  <ktietz@redhat.com>
8993         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
8994         interger-constant displacement for UNSPEC_PCREL.
8996 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
8998         PR rtl-optimization/52208
8999         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
9000         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
9002         PR tree-optimization/52255
9003         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
9004         loop->header has virtual PHI, but exit_e->dest doesn't, add
9005         virtual PHI to exit_e->dest and adjust all uses after the loop.
9007         PR debug/52260
9008         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
9009         children with clone_tree_hash, not after it.
9011 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
9013         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
9014         extended identifiers.
9016 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
9018         PR middle-end/51929
9019         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
9020         a same_body_alias, also test whether e->callee isn't a former
9021         or current clone of the decl this is a same body alias of.
9023         PR translation/52264
9024         * cgraphunit.c (verify_cgraph_node): Fix a typo.
9026 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9028         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
9030 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
9032         PR target/52199
9033         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
9034         force_reg instead of copy_to_reg for better optimization.  Force
9035         non-register or memory operands into a register.
9037 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
9039         * extend.texi: Reserve upper bits of memory model for future use.
9041 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
9042             Anatoly Sokolov <aesok@post.ru>
9043             Eric Weddington <eric.weddington@atmel.com>
9045         PR target/52261
9046         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
9047         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
9048         Rewrite initializers for .macro.
9049         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
9050         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
9051         atxmega32d4, atxmega32x1.
9052         avrxmega4: atxmega64a3, atxmega64d3.
9053         avrxmega5: atxmega64a1, atxmega64a1u.
9054         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
9055         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
9056         avrxmega7: atxmega128a1, atxmega128a1u.
9057         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
9058         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
9059         (struct base_arch_s): Rename reserved to xmega_p.
9060         Rename reserved2 to have_rampd.
9061         (AVR_XMEGA): New define.
9062         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
9063         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
9064         * config/avr/predicates.md (io_address_operand): Take into
9065         account SFR offset.
9066         (low_io_address_operand): Ditto.
9067         (high_io_address_operand): Ditto.
9068         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
9069         (enabled, movhi_sp_r): Use them.
9070         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
9071         cpp_define_formatted to built-in define __AVR_ARCH__.
9072         (__AVR_XMEGA__): New built-in define.
9073         (__AVR_HAVE_RAMPD__): New built-in define.
9074         (__AVR_HAVE_RAMPX__): New built-in define.
9075         (__AVR_HAVE_RAMPY__): New built-in define.
9076         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
9078         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
9079         (avr_option_override): Initialize them.
9080         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
9081         (avr_init_expanders): Initialize them. No more block several calls.
9082         (emit_push_sfr): New static function.
9083         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
9084         Handle AVR_XMEGA.
9085         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
9086         (avr_print_operand): Print addreeses as symbols for
9087         RAMPX, RAMPY, RAMPD, CCP.
9088         (output_movhi): Handle AVR_XMEGA when writing to SP.
9089         (avr_out_movhi_mr_r_xmega): New static function.
9090         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
9091         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
9092         __RAMPD__,  __CCP__ as needed.
9094         * config/avr/multilib.h: Regenerate.
9095         * config/avr/t-multilib: Regenerate.
9096         * config/avr/avr-tables.opt: Regenerate.
9098 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
9100         PR tree-optimization/50561
9101         * graphite-flattening.c (lst_project_loop): Do not
9102         remove old scattering dimensions after flattening.
9103         (lst_do_flatten): Likewise.
9105 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
9107         * doc/extend.texi (AVR Built-in Functions): Remove doc for
9108         __builtin_avr_map8, __builtin_avr_map16.
9109         Document __builtin_avr_insert_bits.
9111         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
9112         (insert_bits): New insn.
9113         (adjust_len.map_bits): Rename to insert_bits.
9114         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
9115         * avr-protos.h (avr_out_map_bits): Remove.
9116         (avr_out_insert_bits, avr_has_nibble_0xf): New.
9117         * config/avr/constraints.md (Cxf,C0f): New.
9118         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
9119         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
9120         New built-in define __BUILTIN_AVR_INSERT_BITS.
9121         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
9122         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
9123         (avr_move_bits): Rewrite.
9124         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
9125         functions.
9126         (avr_map_op_t): New typedef.
9127         (avr_map_op): New static variable.
9128         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
9129         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
9130         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
9131         (bdesc_3arg, avr_expand_triop_builtin): New.
9132         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
9133         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
9134         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
9135         (avr_map_equal_p, avr_map_sig_p): Remove.
9136         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
9137         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9138         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
9139         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9140         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
9141         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
9143 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
9145         * config/c6x/c6x.md (reserve_cycles): New attribute.
9146         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
9147         don't reserve functional units after the branch occurs.
9149 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
9151         PR middle-end/52142
9152         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
9153         functions into non-tm_pure functions.
9155 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
9157         PR lto/52178
9158         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
9159         (iterative_hash_canonical_type): Likewise.
9160         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
9161         the dead edges.
9163 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
9165         * haifa-sched.c (prune_ready_list): Ensure that if there is a
9166         sched-group insn, it either remains alone or the entire list is pruned.
9168 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
9170         * doc/install.texi (Prerequisites): Fix grammar.
9171         (Configuration): Likewise.
9173 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
9175         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
9176         MPC as part of GCC before describing configuring with --with-gmp etc.
9177         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
9178         sources are present.
9180 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
9182         PR debug/51950
9183         * dwarf2out.c (clone_tree_hash): New function.
9184         (copy_decls_walk): Use it instead of clone_tree.
9186 2012-02-14  Richard Guenther  <rguenther@suse.de>
9188         PR tree-optimization/52244
9189         PR tree-optimization/51528
9190         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
9191         replacements for integral types.
9193 2012-02-14  Walter Lee  <walt@tilera.com>
9195         * config.gcc: Handle tilegx and tilepro.
9196         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
9197         tilegx and tilepro.
9198         Add HAVE_AS_TLS check for tilegx and tilepro.
9199         * configure: Regenerate.
9200         * doc/contrib.texi: Add Mat Hostetter and self.
9201         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
9202         Document instruction intrinsics and network accessing intrinsics.
9203         (TILEPro Built-in Functions): New node.  Document instruction
9204         intrinsics and network accessing intrinsics.
9205         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
9206         (Specific, tilepro-*-linux*): Likewise.
9207         * doc/invoke.texi (TILE-Gx Options): New section.
9208         (TILEPro Options): New section.
9209         * doc/md.texi (TILE-Gx): New section.
9210         (TILEPro): New section.
9211         * common/config/tilegx/tilegx-common.c: New file.
9212         * common/config/tilepro/tilepro-common.c: New file.
9213         * config/tilegx/constraints.md: New file.
9214         * config/tilegx/linux.h: New file.
9215         * config/tilegx/mul-tables.c: New file.
9216         * config/tilegx/predicates.md: New file.
9217         * config/tilegx/sync.md: New file.
9218         * config/tilegx/t-tilegx: New file.
9219         * config/tilegx/tilegx-builtins.h: New file.
9220         * config/tilegx/tilegx-c.c: New file.
9221         * config/tilegx/tilegx-generic.md: New file.
9222         * config/tilegx/tilegx-modes.def: New file.
9223         * config/tilegx/tilegx-multiply.h: New file.
9224         * config/tilegx/tilegx-protos.h: New file.
9225         * config/tilegx/tilegx.c: New file.
9226         * config/tilegx/tilegx.h: New file.
9227         * config/tilegx/tilegx.md: New file.
9228         * config/tilegx/tilegx.opt: New file.
9229         * config/tilepro/constraints.md: New file.
9230         * config/tilepro/gen-mul-tables.cc: New file.
9231         * config/tilepro/linux.h: New file.
9232         * config/tilepro/mul-tables.c: New file.
9233         * config/tilepro/predicates.md: New file.
9234         * config/tilepro/t-tilepro: New file.
9235         * config/tilepro/tilepro-builtins.h: New file.
9236         * config/tilepro/tilepro-c.c: New file.
9237         * config/tilepro/tilepro-generic.md: New file.
9238         * config/tilepro/tilepro-modes.def: New file.
9239         * config/tilepro/tilepro-multiply.h: New file.
9240         * config/tilepro/tilepro-protos.h: New file.
9241         * config/tilepro/tilepro.c: New file.
9242         * config/tilepro/tilepro.h: New file.
9243         * config/tilepro/tilepro.md: New file.
9244         * config/tilepro/tilepro.opt: New file.
9246 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
9248         PR tree-optimization/52210
9249         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
9250         vect_model_simple_cost with two entry vect_def_type array instead
9251         of an address of dt.
9253 2012-02-14  Richard Guenther  <rguenther@suse.de>
9255         PR lto/52178
9256         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
9257         Do not stream DECL_QUALIFIER.
9258         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
9259         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
9260         (find_decls_types_r): Do not walk DECL_QUALIFIER.
9262 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
9264         PR c/52181
9265         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
9266         newdecl.
9268 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
9270         PR bootstrap/52172
9271         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
9272         * cselib.c (cselib_subst_to_values_from_insn): New function.
9273         * sched-deps.c (add_insn_mem_dependence,
9274         sched_analyze_1, sched_analyze_2): Use it.
9276 2012-02-13  Jan Hubicka  <jh@suse.cz>
9278         PR middle-end/52214
9279         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
9281 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
9283         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
9284         (GTM_SELF_SPECS): Define if not already defined.
9285         (driver_self_specs): Add GTM_SELF_SPECS.
9286         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
9287         (GTM_SELF_SPECS): Define.
9288         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
9289         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
9291 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
9293         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
9294         away if seen.
9296         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
9298         PR middle-end/52230
9299         * omp-low.c (expand_omp_for): If a static schedule without chunk size
9300         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
9302 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
9304         PR c/52190
9305         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
9307 2012-02-13  Richard Guenther  <rguenther@suse.de>
9309         PR translation/52211
9310         * passes.c (enable_disable_pass): Fix typo.
9312 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
9314         PR middle-end/52209
9315         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
9316         XOR for reduce_bit_field if type is unsigned.
9318 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
9320         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
9321         disallow changes from SFmode to mode with different size in FP regs.
9323 2012-02-12  Robert Millan  <rmh@gnu.org>
9324             Gerald Pfeifer <gerald@pfeifer.com>
9326         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
9327         Tweak comment.
9329 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
9331         PR rtl-optimization/52175
9332         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
9333         to frame-related instructions.
9335 2012-02-10  Jason Merrill  <jason@redhat.com>
9337         PR c++/51910
9338         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
9339         (demangle_new_symbols): Fill it.
9340         (scan_linker_output): Walk it.
9341         (start_tweaking): Split out from scan_linker_output.
9342         (maybe_tweak): Update sym->chosen.
9343         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
9345 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
9347         PR debug/52132
9348         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
9350 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
9352         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
9353         having the same mode as previous compare.
9355 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9357         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
9358         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
9359         (nonlocal_goto_internal): Likewise.
9360         (nonlocal_goto): Emit a use and an indirect jump directly.
9362 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
9364         PR c/52190
9365         * doc/extend.texi : Update comments for __atomic_compare_exchange and
9366         __atomic_{is,always}_lock_free.
9368 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
9370         PR target/52146
9371         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
9372         negative constant address for TARGET_X32.
9374 2012-02-10  Richard Henderson  <rth@redhat.com>
9376         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
9377         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
9378         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
9380 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9381             Ira Rosen  <irar@il.ibm.com>
9383         PR tree-optimization/50031
9384         * targhooks.c (default_builtin_vectorization_cost): Handle
9385         vec_promote_demote.
9386         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
9387         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
9388         all types of reduction and pattern statements.
9389         (vect_estimate_min_profitable_iters): Likewise.
9390         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
9391         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
9392         for explicit realigns.
9393         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
9394         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
9395         vec_promote_demote.
9396         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
9397         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
9398         vec_perm for VSX and handle vec_promote_demote.
9400 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
9402         PR middle-end/52177
9403         * builtins.c (fold_builtin_atomic_always_lock_free,
9404         expand_builtin_atomic_always_lock_free,
9405         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
9406         Return and/or test boolean_true_node/boolean_false_node instead of
9407         integer_one_node/integer_zero_node.
9409 2012-02-10  Jan Hubicka  <jh@suse.cz>
9411         PR middle-end/48600
9412         * predict.c (predict_paths_for_bb): Prevent looping.
9413         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
9415 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
9417         * config/arm/arm.c (output_move_double): In one case properly
9418         count number of instructions that will be emitted.
9420 2012-02-10  Richard Guenther  <rguenther@suse.de>
9422         PR translation/52193
9423         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
9425 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
9427         PR middle-end/52140
9428         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
9430 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
9432         PR debug/52165
9433         * var-tracking.c (emit_note_insn_var_location): If
9434         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
9435         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
9436         non-NOTE_DURING_CALL_P insn.
9438 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
9440         PR middle-end/51867
9441         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
9443 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
9445         PR driver/48524
9446         * gcc.c (switch_matches) Support switches with separated form,
9447         -D and -U.
9449 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
9451         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
9452         (SP_ADDR): Ditto.
9453         (RAMPZ_ADDR): Ditto.
9454         * config/avr/avr.c (avr_addr_t): New typedef.
9455         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
9456         (avr_init_expanders): Initialize it.
9457         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
9458         SREG_ADDR.
9459         (expand_epilogue): Ditto.
9460         (avr_print_operand): Ditto.
9461         (avr_file_start): Ditto.
9462         (avr_emit_movmemhi): Ditto.
9464 2012-02-08  Richard Guenther  <rguenther@suse.de>
9466         PR tree-optimization/46886
9467         * tree-flow.h (do_while_loop_p): Declare.
9468         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
9469         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
9471 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
9473         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
9474         always succeed for integers larger than a native word.
9476 2012-02-08  Richard Guenther  <rguenther@suse.de>
9478         PR rtl-optimization/52170
9479         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
9480         properly handle integer vector modes.
9482 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
9484         PR gcov-profile/52150
9485         * coverage.c: Include target.h.
9486         (build_var): Call targetm.strip_name_encoding on the assembler name.
9487         Change one _ into . or $ if the target allows it.
9488         * Makefile.in (coverage.o): Depend on $(TARGET_H).
9490         PR rtl-optimization/52139
9491         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
9492         is a BARRIER after emit_insn_after_noloc, move BB_END
9493         to the last non-BARRIER insn before it.
9495 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
9497         PR middle-end/24306
9498         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
9499         (mips_gimplify_va_arg_expr): Call it instead of
9500         std_gimplify_va_arg_expr.
9502 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
9504         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
9505         message for -mno-pointers-to-nested-function.
9507 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
9509         PR middle-end/51994
9510         * expr.c (get_inner_reference): If there is an offset, add a negative
9511         bit position to it (if any).
9513 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
9515         PR rtl-optimization/52060
9516         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
9517         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
9518         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
9519         and/or i0src_copy2 when needed.
9521 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
9523         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
9524         or LTOPLUGINSONAME if have_c.
9526         * config/freebsd-spec.h: Add comment about what macros can be defined
9527         in this header.
9528         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
9529         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
9530         here instead.
9532 2012-02-07  Richard Guenther  <rguenther@suse.de>
9534         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
9535         newline in -alias dumps.
9537 2012-02-07  Kai Tietz  <ktietz@redhat.com>
9538             Dave Korn  <dave.korn.cygwin@gmail.com>
9540         PR target/40068
9541         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
9542         Take care that typinfo gets dllexport-attribute.
9544 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
9546         PR middle-end/52074
9547         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
9548         if modifier < EXPAND_SUM call force_operand on the result.
9550 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
9552         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
9553         adding __forwarder_dst__ prefix if a forwarder_section attribute is
9554         present.
9555         (epiphany_function_type): Replace types for specific interrupts with
9556         EPIPHANY_FUNCTION_INTERRUPT.
9557         (EPIPHANY_INTERRUPT_P): Update.
9558         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
9559         New static function.
9560         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
9561         <disinterrupt>: Affects type identity.
9562         (epiphany_handle_interrupt_attribute): Handle variable number of
9563         arguments.
9564         (epiphany_compute_function_type): Update for new
9565         epiphany_function_type definition.
9566         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
9567         handlers with a longcall forwarder.
9568         (epiphany_start_function): Handle multiple interrupt arguments and/or
9569         forwarder_section attribute.
9571         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
9572         libgloss.
9574 2012-02-07  Alan Modra  <amodra@gmail.com>
9576         PR target/52107
9577         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
9578         subregs of TFmode.
9580 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9582         PR tree-optimization/50969
9583         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
9584         use vec_perm rather than vector_stmt.
9585         (vect_model_load_cost): Likewise.
9586         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
9587         vec_perm to be the same as other vector statements.
9588         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
9589         cost of vec_perm for TARGET_VSX.
9591 2012-02-06  Richard Guenther  <rguenther@suse.de>
9593         PR tree-optimization/52115
9594         * tree-sra.c (access_has_replacements_p): New function.
9595         (sra_modify_assign): Use it to decide whether a use is uninitialized.
9597 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
9599         PR middle-end/52047
9600         * trans-mem.c (expand_call_tm): Add an assertion.
9601         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
9602         functions.
9604 2012-02-06  Richard Guenther  <rguenther@suse.de>
9606         PR tree-optimization/50955
9607         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
9608         raise cost of expressions that replace an address with an
9609         expression based on a different pointer.
9611 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
9613         PR target/52129
9614         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
9615         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
9617 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
9619         PR c++/48680
9620         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
9621         -Weffc++ and specify guidelines come from second edition.
9623 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
9625         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
9626         (sibcall_value_multiple_internal, call_split, call_internal_direct)
9627         (call_direct_split, call_value_split, call_value_internal_direct)
9628         (call_value_direct_split, call_value_multiple_split): Use jal and
9629         jal_macro attributes.
9631 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
9633         * reload1.c (reload_regs_reach_end_p): Replace with...
9634         (reload_reg_rtx_reaches_end_p): ...this function.
9635         (new_spill_reg_store): Update commentary.
9636         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
9637         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
9638         before setting new_spill_reg_store.
9639         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
9640         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
9641         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
9642         for non-spill reload registers.
9644 2012-02-05  Ira Rosen  <irar@il.ibm.com>
9646         PR tree-optimization/52091
9647         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
9648         (vect_is_simple_use_1): Likewise.
9649         * tree-vect-loop.c (vectorizable_reduction): Update calls
9650         to vect_is_simple_use_1 and vect_is_simple_use.
9651         (vectorizable_live_operation): Likewise.
9652         * tree-vect-patterns.c (widened_name_p,
9653         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
9654         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
9655         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
9656         vectorizable_shift,vectorizable_operation, vectorizable_store,
9657         vectorizable_load): Likewise.
9658         (vect_is_simple_cond): Add an argument, pass it to
9659         vect_is_simple_use_1.
9660         (vectorizable_condition): Update calls to vect_is_simple_cond,
9661         vect_is_simple_use.
9662         (vect_is_simple_use): Add an argument, the statement in which
9663         OPERAND is used.  Check that if OPERAND's def stmt is a double
9664         reduction phi node, the use is a phi node too.
9665         (vect_is_simple_use_1): Add an argument, pass it to
9666         vect_is_simple_use.
9667         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
9668         to vect_is_simple_use.
9670 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
9672         PR rtl-optimization/52095
9673         * modulo-sched.c (dump_insn_locator): New function.
9674         (loop_canon_p, sms_schedule): Use it.
9676         PR rtl-optimization/52113
9677         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
9678         even for decomposable shift/zext insns.
9680 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
9681             Zdenek Dvorak  <ook@ucw.cz>
9683         PR rtl-optimization/52092
9684         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
9685         on get_iv_value result.
9687 2012-02-02  Andrew Pinski  <apinski@cavium.com>
9689         PR middle-end/47982
9690         PR middle-end/43967
9691         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
9693 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
9695         PR middle-end/48071
9696         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
9698 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
9700         PR rtl-optimization/49800
9701         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
9702         (sched_finish): Call regstat_free_n_sets_and_refs.
9704 2012-02-02  Jia Liu  <proljc@gmail.com>
9706         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
9707         than operand 2.
9709 2012-02-02  Jan Hubicka  <jh@suse.cz>
9710             Tom de Vries  <tom@codesourcery.com>
9712         PR middle-end/51998
9713         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
9714         * varpool.c (varpool_analyze_pending_decls): Likewise.
9716 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
9717             Jayant R Sonar <jayant.sonar@kpitcummins.com>
9719         * config.gcc: Add cr16-* support.
9721         * doc/extend.texi: Document cr16 extensions.
9722         * doc/install.texi: Document cr16 install.
9723         * doc/invoke.texi: Document cr16 options.
9724         * doc/md.texi: Document cr16 constraints.
9726         * common/config/cr16/cr16-common.c: New file.
9727         * config/cr16/cr16.c: New file.
9728         * config/cr16/cr16.h: New file.
9729         * config/cr16/cr16.md: New file.
9730         * config/cr16/cr16.opt: New file.
9731         * config/cr16/cr16-protos.h: New file.
9732         * config/cr16/predicates.md: New file.
9733         * config/cr16/constraints.md: New file.
9734         * config/cr16/t-cr16: New file.
9736 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
9738         PR target/52086
9739         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
9740         that operands[2] is either immediate, or q_regs_operand.
9742         PR tree-optimization/52073
9743         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
9744         a pattern stmt for pattern uses, ignore uses outside of the loop.
9746 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
9748         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
9749         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
9750         (OUT_AS1, OUT_AS2): Remove.
9752 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
9754         PR rtl-optimization/51374
9755         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
9756         to cross other volatile_refs_p insns.
9758 2012-02-01  Richard Guenther  <rguenther@suse.de>
9760         * doc/invoke.texi (fno-inline): Clarify documentation.
9761         (finline-small-functions): Likewise.
9762         (finline-functions): Likewise.
9763         * common.opt (finline): Adjust comment and documentation.
9764         (finline-small-functions): Clarify documentation.
9765         (finline-functions): Likewise.
9766         (finline-functions-called-once): Likewise.
9768 2012-02-01  Tristan Gingold  <gingold@adacore.com>
9770         * c-typeck.c (composite_type): Keep mode for pointers.
9772 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
9774         * function.h (regno_reg_rtx): Adjust comment.
9775         * reginfo.c (init_reg_modes_target): Only use the previous mode
9776         if it fits within one register.  Remove MIPS comment.
9778 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
9780         PR bootstrap/52058
9781         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
9783 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9785         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
9786         to srak instruction.
9788 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
9790         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
9792 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
9794         PR bootstrap/52041
9795         PR bootstrap/52039
9796         PR target/51974
9797         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
9799 2012-01-31  Richard Guenther  <rguenther@suse.de>
9801         PR tree-optimization/51528
9802         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
9803         assigns.
9805 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
9807         PR bootstrap/52041
9808         PR bootstrap/52039
9809         PR target/51974
9810         * ree.c (add_removable_extension): Change def_map argument
9811         to unsigned *, store in def_map 1 + offset into *insn_list vector
9812         instead of pointers into the vector.
9813         (find_removable_extensions): Adjust caller.
9815 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
9817         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
9818         Transform all "* quoted-c-code" to { c-code }.
9819         Remove redundant test for "optimize" in combine patterns.
9820         Move (include "avr-dimode.md") to end of file.
9822 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
9824         PR target/51835
9825         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
9826         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
9828 2012-01-30  Richard Guenther  <rguenther@suse.de>
9830         PR tree-optimization/52028
9831         * tree-loop-distribution.c (ldist_gen): Properly update
9832         virtual SSA form.
9834 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
9836         PR debug/52027
9837         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
9838         set_cur_line_info_table if not emitting debug info.
9840         PR tree-optimization/52046
9841         * tree-vect-patterns.c (check_bool_pattern): Give up if
9842         a comparison could throw.
9844         PR debug/52048
9845         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
9847 2012-01-30  Richard Guenther  <rguenther@suse.de>
9849         PR tree-optimization/52045
9850         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
9851         SSA form if cfgcleanup did anything.
9853 2012-01-30  Richard Guenther  <rguenther@suse.de>
9855         PR tree-optimization/52045
9856         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
9857         before computing final todo.
9859 2012-01-30  Richard Guenther  <rguenther@suse.de>
9861         PR tree-optimization/51528
9862         * tree-sra.c (sra_modify_assign): Re-factor in preparation
9863         for PR51528 fix.
9865 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
9867         * df-problems.c (df_kill_notes): Check that the use refers
9868         to the note under examination.
9870 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
9872         PR target/51920
9873         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
9874         parameter and use short-lived pseudos.
9875         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
9876         (sparc_expand_vector_init): Const-ify local variables and adjust
9877         calls to above functions.
9879 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
9881         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
9883 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
9885         * doc/invoke.texi: Make usage of "compile time" and
9886         "run time"/"runtime" consistent throughout the file.
9888 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
9890         * config/alpha/alpha.c (alpha_option_override): Default to
9891         full IEEE compliance mode for Go language.
9893 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
9895         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
9896         (LINK_SSP_SPEC): Define.
9898 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9900         PR target/51871
9901         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
9902         stubs.
9904 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
9906         * doc/invoke.texi: Correct hyphenation of "floating point",
9907         "double precision", and related terminology throughout the file.
9909 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
9911         PR target/52006
9912         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
9913         arm_general_register_operand predicate for operand 2 instead of
9914         register_operand.
9916 2012-01-27  Ian Lance Taylor  <iant@google.com>
9918         PR go/47656
9919         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
9920         * builtins.c (expand_builtin_init_trampoline): Add onstack
9921         parameter.  Change caller.
9922         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
9923         * tree.c (build_common_builtin_nodes): Declare
9924         __builtin_init_heap_trampoline.
9926 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
9928         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
9929         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
9930         * config/avr/avr.c: Ditto.
9931         (avr_regnames): Remove because unused.
9932         * config/avr/avr.md (*cpse.ne): New peephole.
9933         (*cpse.eq): New peephole from former cpse peepholes.
9935 2012-01-27  Michael Eager  <eager@eagercon.com>
9937         * config/microblaze.c (microblaze_emit_compare): Correct
9938         test after pcmp instruction.
9940 2012-01-27  Richard Guenther  <rguenther@suse.de>
9942         PR tree-optimization/52020
9943         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
9945 2012-01-27  Richard Guenther  <rguenther@suse.de>
9947         * ipa-pure-const.c (check_stmt): Clobbers do not make a
9948         function non-const/pure.
9950 2012-01-27  Richard Guenther  <rguenther@suse.de>
9952         PR tree-optimization/50444
9953         * tree-sra.c (build_ref_for_offset): Properly adjust the
9954         MEM_REF type for unaligned accesses.
9956 2012-01-27  Richard Guenther  <rguenther@suse.de>
9958         PR tree-optimization/50444
9959         * expr.c (mem_ref_refers_to_non_mem_p): New function.
9960         (expand_assignment): Use it.  Properly handle misaligned
9961         bases when expanding stores to component references.
9962         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
9963         refactor that case.
9965 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
9967         PR middle-end/51389
9968         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
9969         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
9970         * tree-data-ref.c (find_data_references_in_loop): Make static.
9971         (compute_all_dependences): Change return type to bool.  Bail out
9972         for too many datarefs in a loop.  Move the hunk resetting the data
9973         dependences vector from ...
9974         (compute_data_dependences_for_loop): ... here.  Account for
9975         compute_all_dependences returning false.
9976         (compute_data_dependences_for_bb): Likewise.
9977         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
9978         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
9980 2012-01-27  Richard Guenther  <rguenther@suse.de>
9982         PR middle-end/51959
9983         * expr.c (store_field): Use the alias-set of the scratch memory
9984         for storing to it.
9986 2012-01-27  Tom de Vries  <tom@codesourcery.com>
9988         PR tree-optimization/51990
9989         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
9990         WITH_SIZE_EXPR.
9991         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
9993 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
9995         PR debug/52001
9996         * var-tracking.c (reverse_op): Don't add any reverse operation
9997         if V already has any constant locations.
9999 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
10001         * doc/invoke.texi: Correct usage of "command line" (noun)
10002         vs "command-line" (adjective) throughout.
10004 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
10006         * doc/invoke.texi (Language Independent Options): Move
10007         -Wcoverage-mismatch blurb from here....
10008         (Warning Options): ...to here.
10010 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
10012         * config/rs6000/rs6000.c (rs6000_option_override_internal):
10013         Set rs6000_always_hint to false for 476.
10015 2012-01-27  Matthias Klose  <doko@ubuntu.com>
10017         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
10018           system root.
10019         * incpath.c (add_standard_paths): Likewise.
10021 2012-01-27  Richard Henderson  <rth@redhat.com>
10023         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10024         * config/m68k/sync.md (atomic_test_and_set): Rename from
10025         sync_test_and_setqi and adjust the operands.
10026         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
10027         and unconditionally enable.
10029 2012-01-27  Richard Henderson  <rth@redhat.com>
10031         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10032         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
10033         (ldstub): Rename from ldstubqi.
10034         (ldstub<I24MODE>): Remove.
10036 2012-01-27  Richard Henderson  <rth@redhat.com>
10038         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
10039         * c-cppbuiltin.c (cpp_atomic_builtins): Define
10040         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
10041         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
10042         * doc/tm.texi: Rebuild.
10044 2012-01-27  Richard Henderson  <rth@redhat.com>
10046         * optabs.c (gen_atomic_test_and_set): Remove default.
10047         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
10049 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
10051         PR rtl-optimization/51978
10052         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
10053         (combine_reaching_defs): Likewise.
10054         (struct re_info): Remove.
10055         (add_removable_extension): Remove x and data arguments,
10056         add insn, insn_list and def_map.  Use the arguments directly
10057         instead of using struct re_info.
10058         (find_removable_extensions): Don't call add_removable_extension
10059         through note_stores, instead just call it with single_set
10060         result if non-NULL.
10061         (find_and_remove_re): Pass curr_cand->expr instead of
10062         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
10064 2012-01-26  Michael Matz  <matz@suse.de>
10066         PR tree-optimization/46590
10067         * cfgexpand.c: Revert last change (r183305).
10068         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
10069         regs.
10070         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
10071         checking for emptiness.
10073 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
10075         PR middle-end/51895
10076         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
10077         non-addressable non-BLKmode base correctly.
10079 2012-01-26  Michael Matz  <matz@suse.de>
10081         PR tree-optimization/48794
10082         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
10083         regions referenced from RESX/EH_DISPATCH.
10085 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10087         * config/s390/s390.h: Make BRANCH_COST an option.
10088         * config/s390/s390.opt: New option -mbranch-cost.
10090 2012-01-26  Richard Henderson  <rth@redhat.com>
10092         Revert 2012-01-24 change:
10093         * trans-mem.c (requires_barrier): Do not instrument thread local
10094         variables and emit save/restore for them.
10096 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
10098         PR middle-end/51986
10099         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
10100         for pat == 0.
10102 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
10104         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
10105         ASM_OPERANDS.
10107 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
10109         PR target/49868
10110         Rename __pgm to __flash.
10111         Rename __pgm1 to __flash1.
10112         Rename __pgm2 to __flash2.
10113         Rename __pgm3 to __flash3.
10114         Rename __pgm4 to __flash4.
10115         Rename __pgm5 to __flash5.
10116         Rename __pgmx to __memx.
10117         * doc/extend.texi (AVR Named Address Spaces)
10118         Rename address space names as indicated above.
10119         * config/avr/avr.c (avr_addrspace): Ditto.
10121         * config/avr/avr-protos.h
10122         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
10123         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
10124         * config/avr/predicates.md: Ditto.
10125         * config/avr/avr.c Ditto, and
10126         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
10127         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
10129         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
10130         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
10131         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
10132         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
10133         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
10134         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
10135         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
10136         * config/avr/avr.c: Ditto.
10137         * config/avr/avr.md: Ditto.
10139 2012-01-25  Jason Merrill  <jason@redhat.com>
10141         PR c++/51992
10142         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
10144 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
10146         PR tree-optimization/51987
10147         * tree-data-ref.c (get_references_in_stmt): Handle references in
10148         non-volatile GIMPLE_ASM.
10150 2012-01-25  Richard Guenther  <rguenther@suse.de>
10152         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
10153         bases are dereferenced.
10155 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
10157         PR rtl-optimization/48374
10158         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
10160 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
10162         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
10163         compute_data_dependences_for_loop returns false.
10164         * tree-parloops.c (loop_parallel_p): Likewise.
10166 2012-01-25  Richard Guenther  <rguenther@suse.de>
10168         * tree.h (get_pointer_alignment_1): Declare.
10169         * builtins.c (get_pointer_alignment_1): New function.
10170         (get_pointer_alignment): Use it.
10172 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
10174         PR rtl-optimization/48308
10175         * combine.c (enum undo_kind): Add UNDO_LINKS.
10176         (struct undo): Add member l to other_contents and where.
10177         (do_SUBST_LINK): New.
10178         (SUBST_LINK): New.
10179         (try_combine): Handle LOG_LINKS for the dummy i1 case.
10180         (undo_all): Handle UNDO_LINKS.
10182 2012-01-25  Richard Henderson  <rth@redhat.com>
10184         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
10185         mem inputs.
10187 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10189         * optabs.c (gen_atomic_test_and_set): Use each argument.
10191 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10193         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
10194         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
10195         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
10196         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
10197         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
10198         TARGET_PAIRED_SINGLE_FLOAT.
10200 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10202         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
10203         (in_struct, return_val): Remove MEM documentation.
10204         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
10205         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
10206         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
10207         and MEM_SCALAR.
10208         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10209         * cfgexpand.c (add_alias_set_conflicts): Likewise.
10210         * expr.c (store_field): Likewise.
10211         * function.c (assign_stack_temp_for_type): Likewise.
10212         * ifcvt.c (noce_try_cmove_arith): Likewise.
10213         * reload1.c (reload): Likewise.
10214         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
10215         (alpha_set_memflags): Likewise.
10216         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
10218 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
10220         * rtl.h (true_dependence, canon_true_dependence): Remove varies
10221         parameter.
10222         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
10223         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
10224         (true_dependence_1, true_dependence, canon_true_dependence): Remove
10225         varies parameter.
10226         * cselib.c (cselib_rtx_varies_p): Delete.
10227         (cselib_invalidate_mem): Update call to canon_true_dependence.
10228         * dse.c (record_store, check_mem_read_rtx): Likewise.
10229         (scan_reads_nospill): Likewise.
10230         * cse.c (check_dependence): Likewise.
10231         (cse_rtx_varies_p): Delete.
10232         * expr.c (safe_from_p): Update call to true_dependence.
10233         * ira.c (validate_equiv_mem_from_store): Likewise.
10234         (memref_referenced_p): Likewise.
10235         * postreload-gcse.c (find_mem_conflicts): Likewise.
10236         * sched-deps.c (sched_analyze_2): Likewise.
10237         * store-motion.c (load_kills_store): Likewise.
10238         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
10239         * gcse.c (mems_conflict_for_gcse_p): Likewise.
10240         (compute_transp): Update call to canon_true_dependence.
10242 2012-01-25  Richard Henderson  <rth@redhat.com>
10244         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
10245         (maybe_emit_atomic_test_and_set): New.
10246         (expand_sync_lock_test_and_set): Use it.
10247         (expand_atomic_test_and_set): Likewise.
10248         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
10249         the implementation; clarify implementation defined details.
10250         * doc/md.texi (atomic_test_and_set): Document.
10252 2012-01-25  Richard Henderson  <rth@redhat.com>
10254         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
10256 2012-01-25  Richard Henderson  <rth@redhat.com>
10258         PR target/51968
10259         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
10260         to effect no-op split.
10262 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
10264         PR lto/51698
10265         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
10266         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
10267         (BT_FN_VOID_PTR_INT_SIZE): New.
10268         (BT_FN_UINT_UINT_VAR): Remove.
10269         (BT_FN_UINT32_UINT32_VAR): New.
10270         (BT_FN_DOUBLE_VPTR): Remove.
10271         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
10273         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
10274         (_ITM_changeTransactionMode): Same.
10275         (_ITM_memmoveRtWt): Change return type to void.
10276         (_ITM_memcpyRtWt): Same.
10277         (_ITM_memsetW): Same.
10278         (_ITM_RaRD): Change types to double.
10279         (_ITM_RD): Same.
10280         (_ITM_RaWD): Same.
10281         (_ITM_RfWD): Same.
10283         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
10285 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
10286             Patrick Marlier  <patrick.marlier@gmail.com>
10288         * trans-mem.c (requires_barrier): Do not instrument thread local
10289         variables and emit save/restore for them.
10291 2012-01-24  Jason Merrill  <jason@redhat.com>
10293         PR c++/51812
10294         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
10295         output static aliases.
10297 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
10299         PR driver/47249
10300         * common.opt (-pie, -shared, pie, shared): Change from Common to
10301         Driver.
10302         * gcc.c (display_help): Display help for -pie and -shared.
10304 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
10306         PR target/49868
10307         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
10308         Remove note on size/offset limitation.
10309         (AVR Variable Attributes): Add example how to read data located
10310         with progmem.  Refer to named address spaces.
10311         * doc/invoke.texi (AVR Options): Fix typo.
10313 2012-01-24  Richard Guenther  <rguenther@suse.de>
10315         Forward-port to trunk
10316         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
10318         PR middle-end/45678
10319         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
10320         op0 isn't sufficiently aligned and there is movmisalignM
10321         insn for mode, use it to load op0 into a temporary register.
10323 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
10325         PR target/51957
10326         * target.def (const_not_ok_for_debug_p): New hook.
10327         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
10328         documentation.
10329         * doc/tm.texi: Regenerated.
10330         * dwarf2out.c (const_ok_for_output_1): If
10331         targetm.const_not_ok_for_debug_p returns true, fail.
10332         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
10333         function.
10334         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
10336 2012-01-23  Kai Tietz  <ktietz@redhat.com>
10338         PR target/51900
10339         * config/i386/predicates.md (symbolic_operand): Allow
10340         UNSPEC_PCREL as PIC expression for lea.
10341         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
10342         * config/i386/i386.c (ix86_delegitimize_address): Handle
10343         UNSPEC_PCREL for none-MEM, too.
10345 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
10347         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
10348         (ipa_tm_create_version_alias): Same.
10350 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
10352         PR libitm/51830
10353         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
10354         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
10356 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
10357             Patrick Marlier  <patrick.marlier@gmail.com>
10358             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
10360         PR lto/51916
10361         * lto-wrapper.c (run_gcc): Pass the LTO section name to
10362         simple_object_start_read.
10364 2012-01-23  Richard Guenther  <rguenther@suse.de>
10367         PR tree-optimization/51895
10368         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
10369         parameter decomposition into BLKmode components.
10371 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
10373         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
10374         fake variables for restrict-qualified pointers whose pointed-to type
10375         contains a placeholder.
10377 2012-01-23  Richard Guenther  <rguenther@suse.de>
10379         PR tree-optimization/51949
10380         * ipa-split.c (execute_split_functions): Do not split malloc functions.
10382 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
10384         PR rtl-optimization/51933
10385         * ree.c (transform_ifelse): Return true right away if dstreg is
10386         already wider or equal to cand->mode.
10387         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
10388         (make_defs_and_copies_lists): Remove defs_list and copies_list
10389         arguments, add state argument, just truncate state->work_list
10390         instead of always allocating and freeing the vector.  Assert that
10391         get_defs succeeds instead of returning 2.  Changed return type to bool.
10392         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
10393         have ext_src_mode, see if it has been modified already with the
10394         right kind of extension and has been extended before from the
10395         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
10396         just return true.  Remember the original mode in state->modified array.
10397         (combine_reaching_defs): Add state argument.  Don't allocate and
10398         free here def_list, copied_list and vec vectors, instead just
10399         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
10400         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
10401         Add state variable, clear vectors in it, initialize state.modified
10402         if needed.  Free all the vectors at the end and state.modified too.
10403         Don't skip a candidate if the extension expression has been modified.
10405 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
10407         PR target/47096
10408         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
10409          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
10410         (extra_options) interix.opt -> i386/interix.opt"
10411         (extra_objs):Add winnt-stubs.o
10412         * configure.ac: Add interix to target_os .comm on PE check.
10413         * configure: Regenerate.
10414         * config/interix3.h: Delete and move bits to..
10415         * config/interix.h: Delete and move bits to..
10416         * config/i386/i386-interix3.h: Delete and move bits to..
10417         * config/i386/i386-interix.h: ..here.
10418         (TARGET_CPU_DEFAULT): Remove redefinition.
10419         (TARGET_ASM_CONSTRUCTOR): Undefine.
10420         (SUBTARGET_SWITCHES): Define for ms-bitfields.
10421         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
10422         (PTRDIFF_TYPE): Define.
10423         (LONG_DOUBLE_TYPE_SIZE): Define.
10424         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
10425         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
10426         (TARGET_SECTION_TYPE_FLAGS): Define.
10427         (ASM_DECLARE_FUNCTION_NAME): Define.
10428         (ASM_OUTPUT_EXTERNAL): Define.
10429         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
10430         (ASM_OUTPUT_ALIGNED_BSS): Define.
10431         (PCC_BITFIELD_TYPE_MATTERS): Define.
10432         (USE_CONST_SECTION): Define.
10433         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
10434         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
10435         (SUPPORTS_ONE_ONLY): Remove.
10436         (I386_PE_STRIP_ENCODING): Define.
10437         * config/interix.opt: Delete and move bits to..
10438         * config/i386/interix.opt: ..here. New.
10439         (mpe-aligned-commons): Add.
10440         * config/i386/t-interix: Add copyright header.
10441         (winnt-stubs.o): Add rule.
10443 2012-01-22  Jason Merrill  <jason@redhat.com>
10445         PR c++/51832
10446         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
10447         for extra name aliases.
10449 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
10451         PR rtl-optimization/51924
10452         * ree.c (combine_set_extension): Improve debugging message.
10453         (combine_reaching_defs): Likewise.
10454         (get_defs): Rename confusingly named variable.
10455         (find_and_remove_re): Skip a candidate if the extension expression has
10456         been modified.
10458 2012-01-21  Robert Millan  <rmh@gnu.org>
10459             Gerald Pfeifer  <gerald@pfeifer.com>
10461         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
10462         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
10464 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
10466         PR tree-optimization/51914
10467         * tree-vect-stmts.c (vectorizable_conversion): For
10468         cvt_type && modifier == WIDEN, put temporary with cvt_type
10469         at the beginning of vec_dsts and set vec_dest to temporary
10470         with vectype_out.
10472 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
10474         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
10476 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
10478         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
10479         * config/rs6000/rs6000.c: Likewise.
10481 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
10483         PR target/51915
10484         * config/arm/arm.c (arm_count_output_move_double_insns): Call
10485         output_move_double on a copy of operands array.
10487 2012-01-20  Cary Coutant  <ccoutant@google.com>
10488             Dodji Seketeli  <dodji@redhat.com>
10490         PR debug/45682
10491         * dwarf2out.c (copy_declaration_context): Return ref to parent
10492         of declaration DIE, if necessary.
10493         (remove_child_or_replace_with_skeleton): Add new parameter; update
10494         caller.  Place skeleton DIE under parent DIE of original declaration.
10495         Move call to copy_declaration_context to here ...
10496         (break_out_comdat_types): ... from here.
10498 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10500         PR rtl-optimization/51856
10501         * reload.c (find_reloads_subreg_address): Set the address_reloaded
10502         flag to reloaded.
10504 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
10506         PR target/51819
10507         * config/arm/arm.c (arm_print_operand): Correct output of alignment
10508         hints for neon loads and stores.
10510 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
10512         PR target/49868
10513         PR target/50887
10514         * doc/extend.texi (Named Address Spaces): Split into subsections.
10515         (AVR Named Address Spaces): New subsection.
10516         (M32C Named Address Spaces): New subsection.
10517         (RL78 Named Address Spaces): New subsection.
10518         (SPU Named Address Spaces): New subsection.
10519         (Variable Attributes): New anchor "AVR Variable Attributes".
10520         (AVR Variable Attributes): Rewrite and avoid wording
10521         "address space" in this context.
10522         * doc/invoke.texi (AVR Options): Rewrite and add documentation
10523         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
10524         (AVR Built-in Macros): New subsubsection therein.
10525         * doc/md.texi (AVR constraints): Remove "C04", "R".
10527 2012-01-20  Richard Guenther  <rguenther@suse.de>
10529         PR tree-optimization/51903
10530         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
10531         when removing stmts.
10533 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
10535         PR target/50313
10536         * config/arm/arm.c (arm_load_pic_register): Use
10537         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
10538         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
10539         (arm_pic_static_addr): Likewise.
10540         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
10541         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
10542         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
10543         (pic_load_addr_unified): New.
10545 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
10547         PR target/51106
10548         * function.c (instantiate_virtual_regs_in_insn): Use
10549         delete_insn_and_edges when removing a wrong asm insn.
10551 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
10553         PR rtl-optimization/40761
10554         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
10555         Add new member loop_num.
10556         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
10557         (ira_build): Remove the parameter.
10559         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
10560         (ira.c): Do not build CFG loops for one region allocation.  Remove
10561         argument from ira_build call.
10563         * ira-build.c (init_loop_tree_node): New function.
10564         (create_loop_tree_nodes): Use it.  Separate the case when CFG
10565         loops are not built.
10566         (more_one_region_p): Check current_loops.
10567         (finish_loop_tree_nodes): Separate the case when CFG loops are not
10568         built.
10569         (add_loop_to_tree): Process loop equal to NULL too.
10570         (form_loop_tree): Separate the case when CFG loops are not built.
10571         Use explicitly number for the root.
10572         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
10573         an assertion.
10574         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
10575         instead of loop->num.
10576         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
10577         (mark_all_loops_for_removal): Ditto.
10578         (remove_unnecessary_regions): Separate the case when CFG loops
10579         are not built.
10580         (ira_build): Remove the parameter.  Use explicit number of regions
10581         when CFG loops are not built.
10583         * ira-color.c (print_loop_title): Separate the case for the root node.
10584         Use loop_num instead of loop->num.
10585         (move_spill_restore): Use loop_num instead of loop->num.
10587         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
10588         (change_loop): Ditto.
10589         (change_loop): Use loop_num instead of loop->num.
10591         * ira-lives.c (process_bb_node_lives): Ditto.
10593         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
10595         * ira-conflicts.c (print_allocno_conflicts): Ditto.
10597 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
10599         PR libmudflap/40778
10600         * tree-mudflap.c (mf_artificial): New function.
10601         (execute_mudflap_function_ops, execute_mudflap_function_decls,
10602         mx_register_decls, mudflap_enqueue_decl): Use it.
10604         PR target/51876
10605         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
10606         numbers in the insn pattern.
10608 2012-01-19  Michael Matz  <matz@suse.de>
10610         PR tree-optimization/46590
10611         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
10612         use it in remembering which conflicts we already created.
10613         (add_scope_conflicts): Adjust call to above, (de)allocate helper
10614         bitmap.
10616 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
10618         PR lto/51280
10619         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
10620         (merge_and_complain): Same.
10622 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
10624         PR bootstrap/50237
10625         * config/initfini-array.h: Guard content of the header
10626         with #ifdef HAVE_INITFINI_ARRAY.
10627         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
10628         Add initfini-array.h to tm_file here.
10629         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
10630         * config.gcc: Don't add initfini-array.h to tm_file here.
10631         * configure: Regenerated.
10633 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
10635         PR rtl-optimization/51505
10636         * df-problems.c (df_kill_notes): New parameter live. Update comment.
10637         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
10638         (df_note_bb_compute): Update the call to df_kill_notes.
10640 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
10642         * trans-mem.c (requires_barrier): Remove call to is_global_var.
10644 2012-01-18  Richard Guenther  <rguenther@suse.de>
10646         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
10647         of conversions to void *.
10649 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10650             Richard Sandiford  <rdsandiford@googlemail.com>
10652         PR middle-end/50325
10653         PR middle-end/51192
10654         * optabs.h (simplify_expand_binop): Declare.
10655         * optabs.c (simplify_expand_binop): Make global.
10656         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
10657         endian targets if the source cannot be exactly covered by word
10658         mode chunks.
10660 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
10662         PR bootstrap/51872
10663         * hard-reg-set.h (struct hard_reg_set_container): New type.
10664         * target.h (struct hard_reg_set_container): Forward declare.
10665         * target.def (set_up_by_prologue): New target hook.
10666         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
10667         * doc/tm.texi: Regenerated.
10668         * function.c (thread_prologue_and_epilogue_insns): Change
10669         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
10670         Call targetm.set_up_by_prologue on it.
10671         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
10672         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
10674 2012-01-17  Nick Clifton  <nickc@redhat.com>
10676         * config/rx/rx.c (rx_can_use_simple_return): New function.
10677         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
10678         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
10680 2012-01-17  Richard Guenther  <rguenther@suse.de>
10682         PR middle-end/51782
10683         * expr.c (expand_assignment): Take address-space information
10684         from the address operand of MEM_REF and TARGET_MEM_REF.
10685         (expand_expr_real_1): Likewise.
10687 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10689         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
10690         reload dump is requested.
10692 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
10694         PR other/51165
10695         * trans-mem.c (requires_barrier): Call may_be_aliased.
10697 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
10699         PR tree-optimization/51877
10700         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
10701         call arguments and fndecls compare equal, instead return false if they
10702         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
10703         both SSA_NAMEs that are valueized the same, or they satisfy
10704         operand_equal_p.
10706 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10708         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
10709         Solaris 11+.
10710         * configure: Regenerate.
10712 2012-01-16  Jan Hubicka  <jh@suse.cz>
10714         PR c/12245
10715         PR c++/14179
10716         * convert.c (convert_to_integer): Use fold_convert for
10717         converting an INTEGER_CST to integer type.
10719 2012-01-16  Jason Merrill  <jason@redhat.com>
10721         PR c++/14179
10722         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
10724 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
10726         PR bootstrap/51860
10727         * config/s390/s390.c (s390_chunkify_start): Don't skip
10728         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
10729         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
10730         If insn is followed by NOTE_INSN_VAR_LOCATION or
10731         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
10732         Don't use location of note insns.
10734         PR tree-optimization/51865
10735         * tree-inline.c (tree_function_versioning): Call remap_decl
10736         on DECL_RESULT whenever it has VOID_TYPE_P type.
10738 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10740         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
10741         for calls to locally-binding MIPS16 functions if only the return
10742         type uses float regs.
10744 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
10745             Richard Sandiford  <rdsandiford@googlemail.com>
10747         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
10748         (SYMBOL_32_HIGH): Likewise.
10749         (mips_output_tls_reloc_directive): Declare.
10750         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
10751         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
10752         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
10753         (mips_lo_relocs, mips_hi_relocs): Make extern.
10754         (mips16_stub_function): Move up file.
10755         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
10756         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
10757         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
10758         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
10759         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
10760         (mips_get_tp): Add MIPS16 support.
10761         (mips_legitimize_tls_address): Remove MIPS16 sorry().
10762         Generalize DTPREL and TPREL handling.
10763         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
10764         Add MIPS16 TLS support.
10765         (mips_output_tls_reloc_directive): New function.
10766         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
10767         * config/mips/predicates.md (symbolic_operand_with_high)
10768         (tls_reloc_operand): New predicates.
10769         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
10770         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
10771         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
10772         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
10773         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
10774         (*tls_get_tp_mips16_call_<mode>): Likewise.
10776 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
10778         PR rtl-optimization/51821
10779         * recog.c (peep2_find_free_register): Determine clobbered registers
10780         from insn pattern.
10782 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
10784         PR target/50925
10785         * config/avr/avr-protos.h: Revert change of 2012-01-09.
10786         * config/avr/avr.c: Likewise.
10787         * config/avr/avr.h: Likewise.
10789 2012-01-13  Ian Lance Taylor  <iant@google.com>
10791         PR c++/50012
10792         * tree.h (TYPE_QUALS): Add cast to int.
10793         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
10795 2012-01-13  Ian Lance Taylor  <iant@google.com>
10797         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
10798         comparing param_index to VEC_length result.
10800 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
10802         * c-decl.c: Do not include tree-mudflap.h
10803         * tree-optimize.c: Likewise.
10804         * Makefile.in: Update dependencies.
10806 2012-01-13  Richard Guenther  <rguenther@suse.de>
10808         PR middle-end/8081
10809         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
10810         variable-sized result always use RSO.
10812 2012-01-12  DJ Delorie  <dj@redhat.com>
10814         * cfgexpand.c (convert_debug_memory_address): Allow any valid
10815         pointer type, not just the default pointer type.
10817 2012-01-09  Richard Henderson  <rth@redhat.com>
10818             Denis Chertykov  <chertykov@gmail.com>
10820         PR target/50925
10821         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
10822         * config/avr/avr.c (avr_can_eliminate): Simplify.
10823         (avr_initial_elimination_offset): Likewise.
10824         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
10825         (expand_epilogue): Likewise.
10826         (avr_legitimize_address): Gut.
10827         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
10828         (avr_hard_regno_nregs): New.
10829         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
10830         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
10831         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
10832         add soft frame pointer.
10833         (CALL_USED_REGISTERS): Likewise.
10834         (REG_CLASS_CONTENTS): Likewise.
10835         (REGISTER_NAMES): Likewise.
10836         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
10837         (HARD_FRAME_POINTER_REGNUM): New.
10838         (FRAME_POINTER_REGNUM): Use soft frame pointer.
10839         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
10840         remove the HARD_FRAME_POINTER self-elimination.
10842 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
10844         PR target/51756
10845         * config/avr/avr.c (avr_encode_section_info): Test for absence of
10846         DECL_EXTERNAL when checking for initializers of progmem variables.
10848 2012-01-12  Ira Rosen  <irar@il.ibm.com>
10850         PR tree-optimization/51799
10851         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
10852         that the last operation is a type demotion.
10854 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
10856         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
10857         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
10859 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
10861         PR bootstrap/51796
10862         * combine.c (distribute_notes): If i3 is a noreturn call,
10863         allow old_size to be equal to args_size and make sure the
10864         noreturn call gets REG_ARGS_SIZE note.
10865         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
10866         on noreturn calls even when the delta is 0.
10868 2012-01-11  Nathan Sidwell  <nathan@acm.org>
10870         * gcov.c (STRING_SIZE): Remove.
10871         (generate_results): Erase annotations for source files with no
10872         coverage information.
10873         (read_line): New.
10874         (output_lines): Use it.
10876 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
10878         * gimple.h (gimplify_body): Remove first argument.
10879         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
10880         pointer set here, instead just pass DATA to walk_tree.
10881         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
10882         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
10883         (unvisit_body): Likewise, but with unmark_visited.
10884         (gimplify_body): Remove BODY_P argument and adjust.
10885         (gimplify_function_tree): Adjust call to gimplify_body.
10886         * omp-low.c (finalize_task_copyfn): Likewise.
10888 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
10890         * tree.h (build_function_decl_skip_args): Add boolean parameter.
10891         (build_function_type_skip_args): Delete.
10892         * tree.c (build_function_type_skip_args): Make static and add
10893         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
10894         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
10895         pass it to build_function_type_skip_args.
10896         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
10897         (tree_function_versioning): Likewise.
10898         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
10899         build_function_decl_skip_args.
10900         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
10901         and pass it to build_function_decl_skip_args/tree_function_versioning.
10902         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
10903         * ipa-inline-transform.c (save_inline_function_body): Likewise.
10904         * trans-mem.c (ipa_tm_create_version): Likewise.
10905         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
10906         * tree-inline.c (declare_return_variable): Remove always-true test.
10907         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
10908         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
10909         * ipa-split.c (split_function): Skip the return value for the split
10910         part if it doesn't return.
10912 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10914         PR tree-optimization/49642
10915         * ipa-split.c (forbidden_dominators): New variable.
10916         (check_forbidden_calls): New function.
10917         (dominated_by_forbidden): Likewise.
10918         (consider_split): Check for forbidden dominators.
10919         (execute_split_functions): Initialize and free forbidden
10920         dominators info; call check_forbidden_calls.
10922 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
10924         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
10926 2012-01-11  Nick Clifton  <nickc@redhat.com>
10928         * config/rx/rx.md (return): Define pattern.
10930 2012-01-11  Richard Guenther  <rguenther@suse.de>
10932         * doc/extend.texi (malloc attribute): Adjust according to
10933         implementation.
10935 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
10936             Patrick Marlier  <patrick.marlier@gmail.com>
10938         PR middle-end/51516
10939         * trans-mem.c (get_cg_data): Traverse aliases if requested.
10940         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
10941         (ipa_tm_note_irrevocable): Same.
10942         (ipa_tm_scan_irr_block): Same.
10943         (ipa_tm_decrement_clone_counts): Same.
10944         (ipa_tm_scan_irr_function): Same.
10945         (ipa_tm_create_version_alias): Same.
10946         (ipa_tm_create_version): Same.
10947         (ipa_tm_transform_calls_redirect): Same.
10948         (ipa_tm_transform_calls): Same.
10949         (ipa_tm_transform_transaction): Same.
10950         (ipa_tm_execute): Same.
10952 2012-01-10  Richard Guenther  <rguenther@suse.de>
10954         PR middle-end/51806
10955         * opts.c (common_handle_option): Handle -Werror.
10957 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
10959         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
10960         operand number.
10962 2012-01-10  Jason Merrill  <jason@redhat.com>
10964         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
10965         information.
10967 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10969         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
10970         supports R_386_TLS_GD_PLT reloc.
10971         (gcc_cv_as_ix86_tlsldmplt): Check if linker
10972         supports R_386_TLS_LDM_PLT reloc.
10973         * configure: Regenerate.
10974         * config.in: Regenerate.
10976 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
10978         PR target/49868
10979         Extend __pgmx semantics to linearize memory.
10980         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
10981         determine if code comes inline or from libgcc.
10982         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
10983         (movmem_qi, movmem_qi): Set constraint #2 to "n".
10984         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
10985         (movmemx_qi, movmemx_hi): New insns.
10986         (xload_<mode>_libgcc): Rewrite to new insn condition.
10987         (xload_<mode>): Remove insns.
10988         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
10989         cases that don't satisfy avr_xload_libgcc_p().
10990         (avr_addr_space_convert): Allow converting in any direction.
10991         (avr_addr_space_subset_p): Return always true.
10992         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
10993         (avr_emit_movmemhi): Ditto.
10994         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
10995         (avr_out_movmem): Ditto.
10996         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
10997         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
10998         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
10999         (avr_encode_section_info): Encode 'progmem' in symbol flags.
11000         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
11002 2012-01-10  Richard Guenther  <rguenther@suse.de>
11004         PR tree-optimization/50913
11005         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
11006         Require data-refs to be representable by Graphite with respect
11007         to any loop nest.
11009 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
11011         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
11012         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
11014 2012-01-10  Tom de Vries  <tom@codesourcery.com>
11016         PR rtl-optimization/51271
11017         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
11018         handling annulled branch.
11020 2012-01-10  Richard Henderson  <rth@redhat.com>
11022         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
11023         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
11024         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
11025         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
11026         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
11027         arm_expand_vec_perm_const): New.
11028         * config/arm/arm-protos.h: Update.
11029         * config/arm/neon.md (UNSPEC_VCONCAT): New.
11030         (*neon_vswp<VDQX>): New.
11031         (neon_vcombine<VDX>): Use neon_split_vcombine.
11032         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
11033         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
11034         (vec_perm<VE>): New.
11036 2012-01-10  Richard Henderson  <rth@redhat.com>
11038         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
11039         use it if reload_completed.
11040         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
11041         arm_output_asm_insn, arm_process_output_memory_barrier,
11042         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
11043         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
11044         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
11045         arm_process_output_sync_insn, arm_output_sync_insn,
11046         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
11047         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
11048         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
11049         (emit_unlikely_jump): New.
11050         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
11051         (arm_split_atomic_op): New.
11052         * config/arm/arm-protos.h: Update.
11053         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
11054         (struct arm_sync_generator): Remove.
11055         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
11056         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
11057         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
11058         (VUNSPEC_LL, VUNSPEC_SC): New.
11059         (sync_result, sync_memory, sync_required_value, sync_new_value,
11060         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
11061         (attr length): Don't use arm_sync_loop_insns.
11062         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
11063         (movsfcc, movdfcc): Likewise.
11064         * config/arm/constraints.md (Ua): New.
11065         * config/arm/prediates.md (mem_noofs_operand): New.
11066         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
11067         (sync_clobber, sync_t2_reqd): Remove.
11068         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
11069         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
11070         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
11071         (arm_sync_compare_and_swap<SIDI>): Remove.
11072         (arm_sync_compare_and_swap<NARROW>): Remove.
11073         (arm_sync_lock_test_and_set<SIDI>): Remove.
11074         (arm_sync_lock_test_and_set<NARROW>): Remove.
11075         (arm_sync_new_<syncop><SIDI>): Remove.
11076         (arm_sync_new_<syncop><NARROW>): Remove.
11077         (arm_sync_new_nand<SIDI>): Remove.
11078         (arm_sync_new_nand<NARROW>): Remove.
11079         (arm_sync_old_<syncop><SIDI>): Remove.
11080         (arm_sync_old_<syncop><NARROW>): Remove.
11081         (arm_sync_old_nand<SIDI>): Remove.
11082         (arm_sync_old_nand<NARROW>): Remove.
11083         (*memory_barrier): Merge arm_output_memory_barrier.
11084         (atomic_compare_and_swap<QHSD>): New.
11085         (atomic_compare_and_swap<NARROW>_1): New.
11086         (atomic_compare_and_swap<SIDI>_1): New.
11087         (atomic_exchange<QHSD>): New.
11088         (cas_cmp_operand, cas_cmp_str): New.
11089         (atomic_op_operand, atomic_op_str): New.
11090         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
11091         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
11092         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
11093         (arm_load_exclusive<NARROW>): New.
11094         (arm_load_exclusivesi, arm_load_exclusivedi): New.
11095         (arm_store_exclusive<QHSD>): New.
11097 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
11099         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
11100         reload patterns if -mvsx-scalar-memory.
11102         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
11103         generated, even -mno-vsx-scalar-double was used.
11104         (vsx_xscvdpsp_scalar): Likewise.
11105         (vsx_xscvspdp_scalar2): Likewise.
11107 2012-01-09  Tom de Vries  <tom@codesourcery.com>
11108             Andrew Pinski  <apinski@cavium.com>
11110         PR debug/51471
11111         * reorg.c (fill_slots_from_thread): Don't speculate
11112         frame-related insns.
11114 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
11116         * sched-int.h (bb_note): Move to...
11117         * basic-block.h: ...here.
11118         * haifa-sched.c (bb_note): Move to...
11119         * cfgrtl.c: ...here.
11120         * function.c (next_block_for_reg): New function.
11121         (move_insn_for_shrink_wrap): Likewise.
11122         (prepare_shrink_wrap): Rewrite to use the above.
11124 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
11126         * gimple.c (is_gimple_non_addressable): Remove.
11127         * gimple.h: Remove is_gimple_non_addressable.
11128         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
11129         is_gimple_non_addressable.
11130         * trans-mem.c (expand_assign_tm): Same.
11132 2012-01-09  Richard Guenther  <rguenther@suse.de>
11134         PR tree-optimization/51775
11135         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
11136         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
11138 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
11140         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
11141         tuning parameters.
11142         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
11144 2012-01-09  Richard Guenther  <rguenther@suse.de>
11146         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
11148 2012-01-08  Jan Hubicka  <jh@suse.cz>
11150         PR tree-optimize/51680
11151         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
11152         on when known_vals needs to be computed; cleanup.
11154 2012-01-08  Jan Hubicka  <jh@suse.cz>
11156         PR tree-optimize/51694
11157         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
11159 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
11161         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
11162         for -std=c++98 and -std=c++11 too.
11164 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
11166         * cfgloop.c (cancel_loop): Add free() of bbs array.
11168 2012-01-07  Jan Hubicka  <jh@suse.cz>
11170         PR tree-optimization/51600
11171         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
11172         that benefits small functions.
11174 2012-01-07  Jan Hubicka  <jh@suse.cz>
11176         * ipa-inline.c (want_inline_small_function_p): Fix formating.
11178 2012-01-07  Jan Hubicka  <jh@suse.cz>
11180         PR tree-optimization/51680
11181         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
11182         whose inlining reduce unit size.
11184 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
11186         PR bootstrap/51725
11187         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
11188         Add canonical node to containing_mem chain after the non-canonical
11189         one, even if there weren't any locs to propagate.
11190         (remove_useless_values): Keep only canonical values.
11191         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
11192         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
11193         canonicalize mem_chain elements that are not discarded.
11195 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
11197         PR target/47333
11198         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
11199         before emitting functions.
11201         PR gcov-profile/50127
11202         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
11203         clear_aux_for_blocks.
11205 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
11207         PR debug/51746
11208         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
11210 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
11212         * c-decl.c (ext_block): Moved up.
11213         (collect_all_refs, for_each_global_decl): Take ext_block into account.
11215 2012-01-06  Han Shen  <shenhan@google.com>
11217         Translate built-in include paths for sysroot.
11218         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
11219         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
11221         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
11222         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
11224         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
11225         control whether sysroot should be prepended to gxx include dir.
11227         * configure: Regenerate.
11229 2012-01-06  Torvald Riegel  <triegel@redhat.com>
11231         PR rtl-optimization/51771
11232         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
11233         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
11235 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
11237         PR tree-optimization/51315
11238         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
11239         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
11241 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
11243         PR target/51681
11244         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
11245         for shrp pattern.  Correctly handle and fixup shift variable.
11246         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
11248 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11250         PR debug/51762
11251         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
11252         note when !ACCUMULATE_OUTGOING_ARGS.
11254 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
11256         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
11257         condition.
11258         (extract_range_from_unary_expr_1): Avoid useless computations.
11260 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11262         PR rtl-optimization/51767
11263         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
11264         of jump_block and add an extra edge for degenerated asm gotos.
11266         PR middle-end/51768
11267         * stmt.c (check_unique_operand_names): Don't ICE during error
11268         reporting if i is from labels chain.
11270         PR middle-end/44777
11271         * profile.c (branch_prob): Split bbs that have exit edge
11272         and need a fake entry edge too.
11274 2012-01-05  Jan Hubicka  <jh@suse.cz>
11276         PR middle-end/49710
11277         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
11278         unlooping loops.
11280 2012-01-05  Richard Guenther  <rguenther@suse.de>
11282         PR lto/50490
11283         * tree-streamer-out.c (write_ts_optimization): New function.
11284         (streamer_write_tree_body): Call it.
11285         * tree-streamer-in.c (lto_input_ts_optimization): New function.
11286         (streamer_read_tree_body): Call it.
11287         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
11289 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11291         PR middle-end/51761
11292         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
11293         * gimplify.c (gimplify_cleanup_point_expr): Save and set
11294         in_cleanup_point_expr before gimplify_stmt call and restore it
11295         afterwards.
11296         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
11297         in_cleanup_point_expr is false.
11299 2012-01-05  Richard Guenther  <rguenther@suse.de>
11301         PR middle-end/51764
11302         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
11303         to c.opt.
11304         * toplev.c (process_options): Reject combining mudflap and LTO.
11305         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
11307 2012-01-05  Richard Guenther  <rguenther@suse.de>
11309         PR tree-optimization/51760
11310         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
11311         not VARYING.
11312         (bit_value_unop): Handle UNDEFINED operands.
11313         (bit_value_binop): Likewise.
11315 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
11317         * config/avr/avr.c (avr_replace_prefix): Remove.
11318         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
11319         (avr_asm_function_rodata_section): Ditto.
11320         (avr_asm_select_section): Ditto.
11322 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
11324         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
11325         insertion.
11327 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
11329         PR bootstrap/51648
11330         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
11331         calls that have any non-fake successor edges.
11333         PR debug/51746
11334         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
11336 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
11338         PR tree-optimization/51624
11339         * tree-sra.c (build_ref_for_model): When replicating a chain of
11340         COMPONENT_REFs, stop as soon as the offset would become negative.
11342 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
11344         PR debug/51695
11345         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
11346         in .debug_loc on the floor.
11348 2012-01-04  Andrew Pinski  <apinski@cavium.com>
11350         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
11352 2012-01-04  Andrew Pinski  <apinski@cavium.com>
11353             Adam Nemet  <anemet@caviumnetworks.com>
11355         * config/mips/mips.md (size): Add SI and DI.
11356         (SIZE): New mode attribute.
11357         (U): New code attribute.
11358         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
11359         (mips_lbux_<mode>): Delete.
11360         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
11361         (mips_lhx): Use gen_mips_lhx_extsi.
11362         (mips_lhx_<mode>): Delete.
11363         (mips_lwx): Delete.
11364         (mips_l<size>x): New expand.
11365         (mips_lwx_<mode>): Delete.
11366         (mips_l<GPR:size>x_<P:mode>): New pattern.
11367         (*mips_lw<u>x_<P:mode>_ext): Likewise.
11368         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
11369         * config/mips/mips.c (mips_lx_address_p): New function.
11370         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
11371         (dsp64): New availability predicate.
11372         (mips_builtins): Add an entry for __builtin_mips_ldx.
11373         * config/mips/mips.h (ISA_HAS_LBX): New define.
11374         (ISA_HAS_LBUX): Likewise.
11375         (ISA_HAS_LHX): Likewise.
11376         (ISA_HAS_LHUX): Likewise.
11377         (ISA_HAS_LWX): Likewise.
11378         (ISA_HAS_LWUX): Likewise.
11379         (ISA_HAS_LDX): Likewise.
11380         * doc/extend.texi (__builtin_mips_ldx): Document.
11382 2012-01-04  Tristan Gingold  <gingold@adacore.com>
11384         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
11385         when long pointers are used.
11386         * config.build (*-*-*vms*): Handle all OpenVMS targets.
11387         (alpha64-dec-*vms*, alpha*-dec-*vms*)
11388         (ia64-hp-*vms*): Remove.
11389         * config/vms/xm-vms64.h: Delete.
11391 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
11393         PR middle-end/51472
11394         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
11396 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
11398         * opts.c (finish_options): Remove duplicate sorry.
11400 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
11402         PR middle-end/51696
11403         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
11404         correctly.
11406 2012-01-04  Richard Guenther  <rguenther@suse.de>
11408         PR middle-end/51750
11409         * tree.c (size_low_cst): New function.
11410         * tree.h (size_low_cst): Declare.
11411         * fold-const.c (fold_comparison): Use it to extract the low
11412         part of the POINTER_PLUS_EXPR offset.
11414 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
11416         Fix clearing ZERO_REG
11417         * config/avr/avr.md (cc): Add alternative "ldi".
11418         (movqi_insn): Use it in cc attribute.
11419         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
11420         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
11421         (output_reload_insisf): Use ZERO_REG to pre-clear register.
11423 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11425         * configure: Regenerate.
11427 2012-01-04  Richard Guenther  <rguenther@suse.de>
11429         PR tree-optimization/49651
11430         * tree-ssa-structalias.c (type_can_have_subvars): New function.
11431         (var_can_have_subvars): Use it.
11432         (get_constraint_for_1): Only consider subfields if there can be any.
11434 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
11436         PR bootstrap/51725
11437         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
11438         to its new canonical_cselib_val and the cselib_val was in
11439         first_containing_mem chain, but the canonical_cselib_val was not,
11440         add the latter into the chain.
11441         (cselib_invalidate_mem): Compare canonical_cselib_val of
11442         addr_list chain elt with v.
11444         PR pch/51722
11445         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
11446         dwarf2out_undef): Allocate e.info using ggc_strdup instead
11447         of xstrdup.
11448         (output_macinfo_op): Don't ggc_strdup fd->filename.
11449         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
11450         then ggc_strdup it.  Don't free inc->info or cur->info.
11451         (output_macinfo): Don't free ref->info or file->info.
11453 2012-01-03  Ira Rosen  <irar@il.ibm.com>
11455         PR tree-optimization/51269
11456         * tree-vect-loop-manip.c (set_prologue_iterations): Make
11457         first_niters a pointer.
11458         (slpeel_tree_peel_loop_to_edge): Likewise.
11459         (vect_do_peeling_for_loop_bound): Update call to
11460         slpeel_tree_peel_loop_to_edge.
11461         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
11462         here.  Remove it from the parameters list.
11463         (vect_do_peeling_for_alignment): Update calls and compute
11464         wide_prolog_niters.
11466 2012-01-03  Richard Guenther  <rguenther@suse.de>
11468         PR tree-optimization/51070
11469         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
11470         Properly handle calls.
11472 2012-01-03  Richard Guenther  <rguenther@suse.de>
11474         PR tree-optimization/51692
11475         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
11476         the LHS of allocation stmts.
11478 2012-01-03  Olivier Hainque  <hainque@adacore.com>
11480         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
11482 2012-01-03  Olivier Hainque  <hainque@adacore.com>
11484         * collect2.c (main): In AIX specific computations for vector
11485         insertions, use CONST_CAST2 to cast from char ** to const char **.
11487 2012-01-03  Richard Guenther  <rguenther@suse.de>
11489         PR debug/51650
11490         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
11491         the context of a limbo DIE when it does not already exist.
11493 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
11495         PR tree-optimization/51719
11496         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
11497         but direct call is, clear direct call's lhs and don't add fallthrough
11498         edge from dcall_bb to join_bb and PHIs.
11500 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11502         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
11503         the instructions emitted by the pattern.
11504         ("*TDC_insn_<mode>"): Add comment.
11506 2012-01-03  Richard Guenther  <rguenther@suse.de>
11508         PR middle-end/51730
11509         * fold-const.c (fold_comparison): Properly canonicalize
11510         tree offset and HOST_WIDE_INT bit position.
11512 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
11514         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
11515         operands for extzv pattern.
11517 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
11519         PR bootstrap/51725
11520         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
11521         on mem_elt first.
11523 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
11525         * doc/invoke.texi (-flto and related options): Copy-edit.
11527 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11529         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
11531 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
11533         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
11534         New patterns.
11536 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11538         * expr.h (move_by_pieces_ninsns): Declare.
11539         * expr.c (move_by_pieces_ninsns): Make external.
11540         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
11541         (mips_store_by_pieces_p): Likewise.
11542         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
11543         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
11544         * config/mips/mips.c (mips_move_by_pieces_p): New function.
11545         (mips_store_by_pieces_p): Likewise.
11547 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
11549         * passes.c (register_one_dump_file): Free full_name.
11551         * reload1.c (reload): Don't allocate reg_max_ref_width here.
11552         (calculate_elim_costs_all_insns): Free offsets_at and
11553         offsets_known_at at the end and clear the pointers.
11555 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
11557         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
11558         this option introduced in r180739.
11560 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
11562         PR target/51345
11563         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
11564         (tmake_file target=avr): Add avr/t-multilib.
11566         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
11567         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
11568         * config/avr/genmultilib.awk: New file.
11569         * config/avr/t-multilib: New auto-generated file.
11570         * config/avr/multilib.h: New auto-generated file.
11571         * config/avr/t-avr (AVR_MCUS): New variable.
11572         (genopt.sh): Use it.
11573         (s-mlib): Depend on t-multilib.
11574         (t-multilib, multilib.h): New dependencies.
11575         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
11576         (MULTILIB_OPTIONS): Remove.
11577         (MULTILIB_MATCHES): Remove.
11578         (MULTILIB_DIRNAMES): Remove.
11579         (MULTILIB_EXCEPTIONS): Remove:
11580         * config/avr/genopt.sh: Don't use hard coded file name;
11581         pass AVR_MCUS from t-avr instead.
11583 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
11585         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
11587 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
11589         Implement light-weight DImode support.
11590         * config/avr/avr-dimode.md: New file.
11591         * config/avr/avr.md: Include it.
11592         (adjust_len): Add plus64, compare64.
11593         (HIDI): Remove code iterator.
11594         (code_stdname): New code attribute.
11595         (rotx, rotsmode): Remove DI.
11596         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
11597         as code iterator.
11598         * config/avr/avr-protos.h (avr_have_dimode): New.
11599         (avr_out_plus64, avr_out_compare64): New.
11600         * config/avr/avr.c (avr_out_compare): Handle DImode.
11601         (avr_have_dimode): New variable definition and initialization.
11602         (avr_out_compare64, avr_out_plus64): New functions.
11603         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
11604         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
11605         (avr_compare_pattern): Skip DImode comparisons.
11607 2012-01-02  Revital Eres  <revital.eres@linaro.org>
11609         * ddg.c (def_has_ccmode_p): New function.
11610         (add_cross_iteration_register_deps,
11611         create_ddg_dep_from_intra_loop_link): Call it.
11613 2012-01-02  Richard Guenther  <rguenther@suse.de>
11615         PR other/51679
11616         * invoke.texi (fassociative-math): Remove spurious paranthesis.
11618 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
11620         * gcc.c (process_command): Update copyright notice dates.
11621         * gcov.c (print_version): Likewise.
11622         * gcov-dump.c (print_version): Likewise.
11623         * mips-tfile.c (main): Likewise.
11624         * mips-tdump.c (main): Likewise.
11626 2012-01-01  Ira Rosen  <irar@il.ibm.com>
11628         PR tree-optimization/51704
11629         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
11630         a use is inside the basic block or loop before accessing its vect info.
11632 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
11634         PR rtl-optimization/51069
11635         * cfgloopmanip.c (remove_path): Removing path making irreducible
11636         region unconditional makes BB part of the region.
11638 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
11640         PR tree-optimization/51683
11641         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
11642         calls with side-effects.
11643         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
11645 Copyright (C) 2012 Free Software Foundation, Inc.
11647 Copying and distribution of this file, with or without modification,
11648 are permitted in any medium without royalty provided the copyright
11649 notice and this notice are preserved.