PR other/54701
[official-gcc.git] / gcc / ChangeLog
blobd6365a88bacbe90f5a7c15cd3de1735e4966eae7
1 2012-09-25  Georg-Johann Lay  <avr@gjlay.de>
3         PR other/54701
4         * config/avr/avr-log.c (avr_double_int_pop_digit): Reerite using
5         double_int::udivmod.
7 2012-09-25  Georg-Johann Lay  <avr@gjlay.de>
9         * config/avr/avr.c (avr_set_current_function): Check cfun->machine
10         to be non-NULL.
12 2012-09-25  Georg-Johann Lay  <avr@gjlay.de>
14         PR target/54641
15         * config/avr/t-avr: Use ALL_COMPILERFLAGS instead of ALL_CFLAGS
16         for sources compiled with COMPILER.
17         
18 2012-09-25  Richard Guenther  <rguenther@suse.de>
20         PR lto/54625
21         * lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Do not merge
22         cgraph nodes for builtins.
24 2012-09-25  Dehao Chen  <dehao@google.com>
26         PR middle-end/54645
27         * c-family/c-pch.c (c_common_read_pch): Rebuild the location_adhoc_data
28         map when read in the pch.
30 2012-09-25  Jakub Jelinek  <jakub@redhat.com>
32         PR tree-optimization/54676
33         * tree-vrp.c (set_and_canonicalize_value_range): Handle
34         one bit precision properly.
36         PR other/54692
37         * configure.ac (CFLAGS, CXXFLAGS): Remove -Ofast or -Og
38         properly.
39         * configure: Regenerated.
41 2012-09-25  Georg-Johann Lay  <avr@gjlay.de>
43         PR other/54701
44         * config/avr/avr.c (avr_map_decompose): Use double_int::from_uhwi
45         instead of uhwi_to_double_int.
47 2012-09-25  Richard Guenther  <rguenther@suse.de>
49         * lto-symtab.c (lto_symtab_merge_decls_1): Properly merge
50         all of the chain.
52 2012-09-25  Richard Guenther  <rguenther@suse.de>
54         PR tree-optimization/53663
55         * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
56         native encode/interpret translation on VN_WALKREWRITE.
58 2012-09-24  Dehao Chen  <dehao@google.com>
60         * tree-cfg.c (move_stmt_op): Reset the expr block only
61         when necessary.
62         (move_block_to_fn): Reset the edge's goto block even
63         when the goto locus is unknown.
65 2012-09-24  Lawrence Crowl  <crowl@google.com>
67         * double-int.h (double_int::from_pair): New.
68         (double_int::wide_mul_with_sign): New.
69         (double_int::sub_with_overflow): New.
70         (double_int::neg_with_overflow): New.
71         (double_int::divmod_with_overflow): New.
72         (shwi_to_double_int): Remove.
73         (uhwi_to_double_int): Remove.
74         (double_int_to_shwi): Remove.
75         (double_int_to_uhwi): Remove.
76         (double_int_fits_in_uhwi_p): Remove.
77         (double_int_fits_in_shwi_p): Remove.
78         (double_int_fits_in_hwi_p): Remove.
79         (double_int_mul): Remove.
80         (double_int_mul_with_sign): Remove.
81         (double_int_add): Remove.
82         (double_int_sub): Remove.
83         (double_int_neg): Remove.
84         (double_int_div): Remove.
85         (double_int_sdiv): Remove.
86         (double_int_udiv): Remove.
87         (double_int_mod): Remove.
88         (double_int_smod): Remove.
89         (double_int_umod): Remove.
90         (double_int_divmod): Remove.
91         (double_int_sdivmod): Remove.
92         (double_int_udivmod): Remove.
93         (double_int_multiple_of): Remove.
94         (double_int_setbit): Remove.
95         (double_int_ctz): Remove.
96         (double_int_not): Remove.
97         (double_int_ior): Remove.
98         (double_int_and): Remove.
99         (double_int_and_not): Remove.
100         (double_int_xor): Remove.
101         (double_int_lshift): Remove.
102         (double_int_rshift): Remove.
103         (double_int_lrotate): Remove.
104         (double_int_rrotate): Remove.
105         (double_int_negative_p): Remove.
106         (double_int_cmp): Remove.
107         (double_int_scmp): Remove.
108         (double_int_ucmp): Remove.
109         (double_int_max): Remove.
110         (double_int_smax): Remove.
111         (double_int_umax): Remove.
112         (double_int_min): Remove.
113         (double_int_smin): Remove.
114         (double_int_umin): Remove.
115         (double_int_ext): Remove.
116         (double_int_sext): Remove.
117         (double_int_zext): Remove.
118         (double_int_mask): Remove.
119         (double_int_max_value): Remove.
120         (double_int_min_value): Remove.
121         (double_int_zero_p): Remove.
122         (double_int_one_p): Remove.
123         (double_int_minus_one_p): Remove.
124         (double_int_equal_p): Remove.
125         (double_int_popcount): Remove.
126         (extern add_double_with_sign): Remove.
127         (#define add_double): Remove.
128         (extern neg_double): Remove.
129         (extern mul_double_with_sign): Remove.
130         (extern mul_double_wide_with_sign): Remove.
131         (#define mul_double): Remove.
132         (extern lshift_double): Remove.
133         (extern div_and_round_double): Remove.
134         * double-int.c (add_double_with_sign): Make static.
135         (#defined add_double): Localized from header.
136         (neg_double): Make static.
137         (mul_double_with_sign): Make static.
138         (mul_double_wide_with_sign): Make static.
139         (#defined mul_double): Localized from header.
140         (lshift_double): Make static.
141         (div_and_round_double): Make static.
142         (double_int::wide_mul_with_sign): New.
143         (double_int::sub_with_overflow): New.
144         (double_int::neg_with_overflow): New.
145         (double_int::divmod_with_overflow): New.
146         * emit-rtl.c (init_emit_once): Change to new double_int API.
147         * explow.c (plus_constant): Likewise.
148         * expmed.c (choose_multiplier): Likewise.
149         * fold-const.c (#define OVERFLOW_SUM_SIGN): Remove.
150         (int_const_binop_1): Change to new double_int API.
151         (fold_div_compare): Likewise.
152         (maybe_canonicalize_comparison): Likewise.
153         (pointer_may_wrap_p): Likewise.
154         (fold_negate_const): Likewise.
155         (fold_abs_const): Likewise.
156         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
157         (simplify_const_binary_operation): Likewise.
158         * tree-chrec.c (tree_fold_binomial): Likewise.
159         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
160         * config/sparc/sparc.c (sparc_fold_builtin): Likewise.
161         * config/avr/avr.c (avr_double_int_push_digit): Likewise.
162         (avr_map): Likewise.
163         (avr_map_decompose): Likewise.
164         (avr_out_insert_bits): Likewise.
166 2012-09-24  Janis Johnson  <janisjo@codesourcery.com>
168         doc/sourcebuild.texi (Selectors): Document the use of target
169         and xfail used together.
171 2012-09-24  Richard Guenther  <rguenther@suse.de>
173         PR middle-end/54632
174         * tree-ssa-live.c (clear_unused_block_pointer_1): Do not
175         handle DECL_DEBUG_EXPR_IS_FROM here...
176         (clear_unused_block_pointer): ... but here when walking all
177         local decls.
179 2012-09-24  Richard Guenther  <rguenther@suse.de>
181         PR tree-optimization/54684
182         * tree-ssa-ccp.c (optimize_unreachable): Properly update stmts.
184 2012-09-24  Marc Glisse  <marc.glisse@inria.fr>
186         * tree-ssa-forwprop.c: Include tree-ssa-propagate.h.
187         (simplify_bitfield_ref): Handle constructors.
188         * Makefile.in (tree-ssa-forwprop.o): Depend on tree-ssa-propagate.h.
190 2012-09-24  Richard Guenther  <rguenther@suse.de>
192         * tree-ssa-pre.c (bitmap_find_leader, create_expression_by_pieces,
193         find_or_generate_expression): Remove dominating stmt argument.
194         (find_leader_in_sets, phi_translate_1, bitmap_find_leader,
195         create_component_ref_by_pieces_1, create_component_ref_by_pieces,
196         do_regular_insertion, do_partial_partial_insertion): Adjust.
197         (compute_avail): Do not set uids.
199 2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>
201         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
202         TYPE_NONALIASED_COMPONENT flag.
203         * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
204         TYPE_NONALIASED_COMPONENT flag.
206 2012-09-24  Jia Liu  <proljc@gmail.com>
208         * doc/lto.texi: Separate sections.
209         * doc/plugins.texi: Likewise.
211 2012-09-24  Richard Guenther  <rguenther@suse.de>
213         PR middle-end/52173
214         * gimple.c (gimple_copy): Properly mark the copy modified
215         if SSA operands are present.
217 2012-09-23  Eric Botcazou  <ebotcazou@adacore.com>
219         PR tree-optimization/54669
220         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Invoke
221         maybe_clean_or_replace_eh_stmt on the modified use statements.
223 2012-09-23  Marc Glisse  <marc.glisse@inria.fr>
225         * expr.c (do_store_flag): Remove duplicated code.
227 2012-09-22  Segher Boessenkool  <segher@kernel.crashing.org>
229         * config/rs6000/predicates.md (altivec_register_operand,
230         vsx_register_operand, vfloat_operand, vint_operand,
231         vlogical_operand, gpc_reg_operand, cc_reg_operand,
232         cc_reg_not_cr0_operand, cc_reg_not_micro_cr0_operand):
233         If op is a SUBREG, consider its SUBREG_REG instead.
235 2012-09-22  Uros Bizjak  <ubizjak@gmail.com>
237         * optabs.c (prepare_cmp_insn): Expand comparison of the result
238         of memcmp through generic comparison expansion code.
240 2012-09-21  Jack Howarth  <howarth@bromo.med.uc.edu>
242         PR bootstrap/54642
243         * Makefile.in (lto-symtab.o): Remove gt-lto-symtab.h dependency.
245 2012-09-21  Dehao Chen  <dehao@google.com>
247         PR go/54649
248         * tree-eh.c (lower_try_finally_dup_block): Set the correct block for
249         stmts in the duplicated EH block.
251 2012-09-21  Richard Guenther  <rguenther@suse.de>
253         PR tree-optimization/54647
254         * tree-ssa-pre.c (compute_avail): Do not put COND_EXPR
255         or VEC_COND_EXPR into EXP_GEN again.
257 2012-09-21  Jakub Jelinek  <jakub@redhat.com>
259         PR tree-optimization/54629
260         * tree-loop-distribution.c (classify_partition): Free loop nest only
261         after freeing ddr.  Free ddr and loop nest also if successful.
263 2012-09-21  Matthias Klose  <doko@ubuntu.com>
265         * config/arm/arm.c (arm_mangle_type): Don't warn anymore that
266         4.4 has changed the `va_list' mangling.
268 2012-09-21  Eric Botcazou  <ebotcazou@adacore.com>
270         PR rtl-optimization/54290
271         PR rtl-optimization/54644
272         * reload1.c (choose_reload_regs): Fix thinko in previous change.
274 2012-09-20  Segher Boessenkool  <segher@kernel.crashing.org>
276         * config/rs6000/rs6000.md (define_split for plus_eqsi):
277         Fix output pattern.
279 2012-09-20  Eric Botcazou  <ebotcazou@adacore.com>
281         * reload1.c (choose_reload_regs): Add missing #ifdef/#endif pair.
283 2012-09-20  Bernd Schmidt  <bernds@codesourcery.com>
285         PR bootstrap/54643
286         * haifa-sched.c (schedule_block): Skip find_modifiable_mems if using
287         SCHED_PRESSURE_MODEL.
289 2012-09-20  Joern Rennecke  <joern.rennecke@embecosm.com>
291         * rtlanal.c (dead_or_set_regno_p): Fix COND_EXEC handling.
293 2012-09-20  Marek Polacek  <polacek@redhat.com>
295         * tree-ssa-operands.c (get_expr_operands): Merge identical cases.
297 2012-09-20  Marek Polacek  <polacek@redhat.com>
299         * tree-ssa-threadupdate.c (mark_threaded_blocks): Don't cast XNEWVEC's
300         result.
301         (create_edge_and_update_destination_phis): Likewise.
303 2012-09-20  Martin Jambor  <mjambor@suse.cz>
305         * function.c (push_cfun): Check old current_function_decl matches
306         old cfun, set new current_function_decl to the decl of the new cfun.
307         (push_struct_function): Likewise.
308         (pop_cfun): Likewise.
309         (allocate_struct_function): Move call to
310         invoke_set_current_function_hook to the end of the function.
311         * cfgexpand.c (estimated_stack_frame_size): Do not set and restore
312         current_function_decl.
313         * cgraph.c (cgraph_release_function_body): Likewise.
314         * cgraphunit.c (cgraph_process_new_functions): Likewise.
315         (cgraph_add_new_function): Likewise.
316         (cgraph_analyze_function): Likewise.
317         (assemble_thunk): Set cfun to NULL at the end.
318         (expand_function): Move call to set_cfun downwards.
319         * gimple-low.c (record_vars_into): Only check current_function_decl
320         before possibly doing push_cfun.
321         * gimplify.c (gimplify_function_tree): Do not set and restore
322         current_function_decl.
323         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
324         (inline_analyze_function): Likewise.
325         * ipa-prop.c (ipa_analyze_node): Likewise.
326         * ipa-pure-const.c (analyze_function): Likewise.
327         * lto-streamer-in.c (lto_input_function_body): Do not set
328         current_function_decl.
329         * lto-streamer-out.c (output_function): Do not set and restore
330         current_function_decl.
331         * omp-low.c (finalize_task_copyfn): Likewise.
332         (expand_omp_taskreg): Likewise.
333         (create_task_copyfn): Likewise, move push_cfun up quite a bit.
334         * passes.c (dump_passes): Do not set and restore current_function_decl.
335         (do_per_function): Likewise.
336         (do_per_function_toporder): Likewise.
337         * trans-mem.c (ipa_tm_scan_irr_function): Likewise.
338         (ipa_tm_transform_transaction): Likewise.
339         (ipa_tm_transform_clone): Likewise.
340         (ipa_tm_execute): Likewise.
341         * tree-emutls.c (lower_emutls_function_body): Likewise.
342         * tree-inline.c (initialize_cfun): Do not call pop_cfun.
343         (tree_function_versioning): Do not call push_cfun, do not set and
344         restore current_function_decl.  Remove assert checking consistency of
345         cfun and current_function_decl.
346         * tree-profile.c (tree_profiling): Do not set and restore
347         current_function_decl.
348         * tree-sra.c (convert_callers_for_node): Do not set
349         current_function_decl.
350         (convert_callers): Do not restore current_function_decl.
351         (modify_function): Do not set current_function_decl.
352         * tree-ssa-structalias.c (ipa_pta_execute): Do not set and restore
353         current_function_decl.
355 2012-09-20  Diego Novillo  <dnovillo@google.com>
357         PR target/54631
358         * config/vxworks.c (vxworks_emutls_var_init): Update for new
359         VEC_quick_push interface.
361 2012-09-20  Richard Guenther  <rguenther@suse.de>
363         PR tree-optimization/54634
364         * tree-data-ref.c (get_references_in_stmt): For now give
365         up for pure functions.
367 2012-09-20  Chen Wei-Ren  <chenwj@iis.sinica.edu.tw>
369         * doc/lto.texi: Correct typo.
371 2012-09-19  Dehao Chen  <dehao@google.com>
373         * config/s390/s390.c (s390_chunkify_start): Replacing INSN_LOCATOR.
374         * config/spu/spu.c (emit_nop_for_insn): Likewise.
375         (pad_bb): Likewise.
376         (spu_emit_branch_hint): Likewise.
377         (insert_hbrp_for_ilb_runout): Likewise.
378         * config/mep/mep.c (mep_make_bundle): Likewise.
379         (mep_bundle_insns): Likewise.
380         * config/sh/sh.c (gen_block_redirect): Likewise.
381         * config/c6x/c6x.c (gen_one_bundle): Likewise.
382         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Likewise.
383         * config/picochip/picochip.c (picochip_reorg): Likewise.
384         * config/arm/arm.c (require_pic_register): Likewise.
385         * config/mips/mips.c (mips16_gp_pseudo_reg): Likewise.
386         * config/bfin/bfin.c (gen_one_bundle): Likewise.
388 2012-09-19  Mark Kettenis  <kettenis@openbsd.org>
390         * config.gcc (hppa*-*-openbsd*): New target.
391         * config/pa/pa-openbsd.h: New file.
392         * config/pa/pa32-openbsd.h: New file.
393         * config/host-openbsd.c: Update copyright year.
394         (TRY_EXCEPT_VM_SPACE): Define for OpenBSD/hppa.
396 2012-09-19  Martin Jambor  <mjambor@suse.cz>
398         * ipa-prop.c (prune_expression_for_jf): New function.
399         (ipa_set_jf_constant): Use it.
400         (ipa_set_jf_arith_pass_through): Likewise.
401         (determine_known_aggregate_parts): Likewise.
403 2012-09-19  Steve Ellcey  <sellcey@mips.com>
405         * config.gcc (mips*-mti-elf*): New target.
406         * config/mips/mti-elf.h: New file.
407         * config/mips/t-mti-elf: New file.
409 2012-09-19  Dehao Chen  <dehao@google.com>
411         * toplev.c (general_init): Init block_locations.
412         * tree.c (tree_set_block): New.
413         (tree_block): Change to use LOCATION_BLOCK.
414         * tree.h (TREE_SET_BLOCK): New.
415         * final.c (reemit_insn_block_notes): Change to use LOCATION_BLOCK.
416         (final_start_function): Likewise.
417         * input.c (expand_location_1): Likewise.
418         * input.h (LOCATION_LOCUS): New.
419         (LOCATION_BLOCK): New.
420         (IS_UNKNOWN_LOCATION): New.
421         * fold-const.c (expr_location_or): Change to use new location.
422         * reorg.c (emit_delay_sequence): Likewise.
423         (try_merge_delay_insns): Likewise.
424         * modulo-sched.c (dump_insn_location): Likewise.
425         * lto-streamer-out.c (lto_output_location_bitpack): Likewise.
426         * lto-cgraph.c (output_node_opt_summary): Likewise.
427         * jump.c (rtx_renumbered_equal_p): Likewise.
428         * ifcvt.c (noce_try_move): Likewise.
429         (noce_try_store_flag): Likewise.
430         (noce_try_store_flag_constants): Likewise.
431         (noce_try_addcc): Likewise.
432         (noce_try_store_flag_mask): Likewise.
433         (noce_try_cmove): Likewise.
434         (noce_try_cmove_arith): Likewise.
435         (noce_try_minmax): Likewise.
436         (noce_try_abs): Likewise.
437         (noce_try_sign_mask): Likewise.
438         (noce_try_bitop): Likewise.
439         (noce_process_if_block): Likewise.
440         (cond_move_process_if_block): Likewise.
441         (find_cond_trap): Likewise.
442         * ipa-prop.c (ipa_set_jf_constant): Likewise.
443         (ipa_write_jump_function): Likewise.
444         * dwarf2out.c (add_src_coords_attributes): Likewise.
445         * expr.c (expand_expr_real): Likewise.
446         * tree-parloops.c (create_loop_fn): Likewise.
447         * recog.c (peep2_attempt): Likewise.
448         * function.c (free_after_compilation): Likewise.
449         (expand_function_end): Likewise.
450         (set_insn_locations): Likewise.
451         (thread_prologue_and_epilogue_insns): Likewise.
452         * print-rtl.c (print_rtx): Likewise.
453         * profile.c (branch_prob): Likewise.
454         * trans-mem.c (ipa_tm_scan_irr_block): Likewise.
455         * gimplify.c (gimplify_call_expr): Likewise.
456         * except.c (duplicate_eh_regions_1): Likewise.
457         * emit-rtl.c (try_split): Likewise.
458         (make_insn_raw): Likewise.
459         (make_debug_insn_raw): Likewise.
460         (make_jump_insn_raw): Likewise.
461         (make_call_insn_raw): Likewise.
462         (emit_pattern_after_setloc): Likewise.
463         (emit_pattern_after): Likewise.
464         (emit_debug_insn_after): Likewise.
465         (emit_pattern_before): Likewise.
466         (emit_insn_before_setloc): Likewise.
467         (emit_jump_insn_before): Likewise.
468         (emit_call_insn_before_setloc): Likewise.
469         (emit_call_insn_before): Likeise.
470         (emit_debug_insn_before_setloc): Likewise.
471         (emit_copy_of_insn_after): Likewise.
472         (insn_locators_alloc): Remove.
473         (insn_locators_finalize): Remove.
474         (insn_locators_free): Remove.
475         (set_curr_insn_source_location): Remove.
476         (get_curr_insn_source_location): Remove.
477         (set_curr_insn_block): Remove.
478         (get_curr_insn_block): Remove.
479         (locator_scope): Remove.
480         (insn_scope): Change to use new location.
481         (locator_location): Remove.
482         (insn_line): Change to use new location.
483         (locator_file): Remove.
484         (insn_file): Change to use new location.
485         (locator_eq): Remove.
486         (insn_locations_init): New.
487         (insn_locations_finalize): New.
488         (set_curr_insn_location): New.
489         (curr_insn_location): New.
490         * cfgexpand.c (gimple_assign_rhs_to_tree): Change to use new location.
491         (expand_gimple_cond): Likewise.
492         (expand_call_stmt): Likewise.
493         (expand_gimple_stmt_1): Likewise.
494         (expand_gimple_basic_block): Likewise.
495         (construct_exit_block): Likewise.
496         (gimple_expand_cfg): Likewise.
497         * cfgcleanup.c (try_forward_edges): Likewise.
498         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
499         (dump_scope_block): Likewise.
500         (remove_unused_locals): Likewise.
501         * rtl.c (rtx_equal_p_cb): Likewise.
502         (rtx_equal_p): Likewise.
503         * rtl.h (XUINT): New.
504         (INSN_LOCATOR): Remove.
505         (CURR_INSN_LOCATION): Remove.
506         (INSN_LOCATION): New.
507         (INSN_HAS_LOCATION): New.
508         * tree-inline.c (remap_gimple_op_r): Change to use new location.
509         (copy_tree_body_r): Likewise.
510         (copy_phis_for_bb): Likewise.
511         (expand_call_inline): Likewise.
512         * tree-streamer-in.c (lto_input_ts_exp_tree_pointers): Likewise.
513         * tree-streamer-out.c (write_ts_decl_minimal_tree_pointers): Likewise.
514         * gimple-streamer-out.c (output_gimple_stmt): Likewise.
515         * combine.c (try_combine): Likewise.
516         * tree-outof-ssa.c (set_location_for_edge): Likewise.
517         (insert_partition_copy_on_edge): Likewise.
518         (insert_value_copy_on_edge): Likewise.
519         (insert_rtx_to_part_on_edge): Likewise.
520         (insert_part_to_rtx_on_edge): Likewise.
521         * basic-block.h (edge_def): Remove field.
522         * gimple.h (gimple_statement_base): Remove field.
523         (gimple_bb): Change to use new location.
524         (gimple_set_block): Likewise.
525         (gimple_has_location): Likewise.
526         * tree-cfg.c (make_cond_expr_edges): Likewise.
527         (make_goto_expr_edges): Likewise.
528         (gimple_can_merge_blocks_p): Likewise.
529         (move_stmt_op): Likewise.
530         (move_block_to_fn): Likewise.
531         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Likewise.
532         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
533         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
534         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
535         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
536         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
537         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
538         * config/score/score.c (score_output_mi_thunk): Likewise.
539         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
540         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
541         * cfgrtl.c (unique_locus_on_edge_between_p): Likewise.
542         (unique_locus_on_edge_between_p): Likewise.
543         (emit_nop_for_unique_locus_between): Likewise.
544         (force_nonfallthru_and_redirect): Likewise.
545         (fixup_reorder_chain): Likewise.
546         (cfg_layout_merge_blocks): Likewise.
547         * stmt.c (emit_case_nodes): Likewise.
549 2012-09-19  Bernd Schmidt  <bernds@codesourcery.com>
551         * dbgcnt.def (sched_breakdep): New counter.
552         * haifa-sched.c (update_insn_after_change): New static function,
553         broken out of haifa_change_pattern.
554         (haifa_change_pattern): Call it.
555         (dep_t heap vecs): Declare.
556         (INSN_COST): Define earlier.
557         (next_cycle_replace_deps, next_cycle_apply): New static variables.
558         (apply_replacement): New static function.
559         (recompute_todo_spec): New argument FOR_BACKTRACK.  All callers
560         changed.  Handle DEP_REPLACE deps.
561         (contributes_to_priority_p): False for replaceable deps.
562         (must_restore_pattern_p, restore_pattern): New static functions.
563         (schedule_insn): Use them.  Apply replacements for broken deps.
564         (struct haifa_saved_data): Add new fields to keep track of
565         replacements.
566         (save_backtrack_point): Initialize them.
567         (undo_replacements_for_backtrack): New static function.
568         (restore_last_backtrack_point, free_topmost_backtrack_point):
569         Use it and keep track of replacements.
570         (perform_replacements_new_cycle, undo_all_replacements): New static
571         functions.
572         (schedule_block): Call these two as necessary.  Call
573         find_modifiable_mems.
574         (try_ready): Tweak the assert.  Check for DEP_POSTPONED.
575         * sched-deps.c: Include "emit-rtl.h".
576         (init_dep_1): Initialize DEP_NONREG, DEP_MULTIPLE and DEP_REPLACE.
577         (dep_spec_p): True for DEP_REPLACE deps.
578         (mark_as_hard): New static variable.
579         (update_dep): Update DEP_NONREG and DEP_MULTIPLE.
580         (add_dependence_list): New argument hard.  All callers changed.  Set
581         and clear mark_as_hard around function body.
582         (add_dependence_list_and_free): Likewise.
583         (haifa_note_mem_dep): Set DEP_NONREG.
584         (haifa_note_dep): Likewise if mark_as_hard is true.
585         (sched_analyze_insn): Switch loop with if statement testing for
586         sel_sched_p.
587         (struct mem_inc_info): New.
588         (attempt_change, parse_add_or_inc, find_inc, find_mem): New static
589         functions.
590         (find_modifiable_mems): New function.
591         * sched-int.h (struct dep_replacement): New.
592         (struct _dep): Add replace, nonreg and multiple fields.  Make type and
593         cost bitfields.
594         (UNKNOWN_DEP_COST): Change to match the bitfield.
595         (DEP_NONREG, DEP_MULTIPLE, DEP_REPLACE): New macros.
596         (DEP_POSTPONED): New macro.
597         (DEP_CANCELLED): Renumber.
598         (find_modifiable_mems): Declare.
599         (enum SCHED_FLAGS): Add DONT_BREAK_DEPENDENCIES.
600         * sched-rgn.c (init_ready_list): Set TODO_SPEC here.
601         (new_ready): Don't set HARD_DEP, use DEP_POSTPONED.
602         (debug_dependencies): Dump DEP_NONREG and DEP_MULTIPLE.
603         * Makefile.in (sched-deps.o): Update dependencies.
604         * config/c6x/c6x.c (in_hwloop): New static variable.
605         (c6x_set_sched_flags): If it is true, add DONT_BREAK_DEPENDENCIES.
606         (hwloop_optimize): Set and clear it around preliminary scheduling pass.
608 2012-09-19  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
610         * config/rs6000/rs6000-builtin.def: Add __builtin_ppc_get_timebase
611         and __builtin_ppc_mftb.
612         * config/rs6000/rs6000.c (rs6000_expand_zeroop_builtin): New function
613         to expand an expression that calls a built-in without arguments.
614         (rs6000_expand_builtin): Add __builtin_ppc_get_timebase and
615         __builtin_ppc_mftb.
616         (rs6000_init_builtins): Likewise.
617         * config/rs6000/rs6000.md (rs6000_get_timebase): New pattern.
618         (rs6000_get_timebase_ppc32): New pattern.
619         (rs6000_mftb_<mode>): New pattern.
621         * doc/extend.texi (PowerPC Built-in Functions): New section.
622         (PowerPC AltiVec/VSX Built-in Functions): Move some built-ins
623         unrelated to Altivec/VSX to the new section.
625 2012-09-19  David Edelsohn  <dje.gcc@gmail.com>
627         * rs6000.md (mac*): Remove extra spaces.
628         (mulhw*): Same.
630 2012-09-19  Oleg Endo  <olegendo@gcc.gnu.org>
632         PR target/54089
633         * config/sh/predicates.md (arith_reg_or_t_reg_operand): New predicate.
634         * config/sh/sh.md (*rotcr): Use arith_reg_or_t_reg_operand predicate.
635         Handle the case where one of the operands is T_REG.
636         Add new pattern to handle MSB extraction.
638 2012-09-19  Oleg Endo  <olegendo@gcc.gnu.org>
640         PR target/54236
641         * config/sh/sh.md (*addc): Add pattern to handle one bit left shifts.
643 2012-09-19  Oleg Endo  <olegendo@gcc.gnu.org>
645         * config/sh/sh.md (prologue, epilogue): Use braced strings.
647 2012-09-19  Eric Botcazou  <ebotcazou@adacore.com>
649         PR rtl-optimization/54290
650         * reload1.c (choose_reload_regs): Also take into account secondary MEMs
651         to remove address replacements for inherited reloads.
652         (replaced_subreg): Move around.
654 2012-09-19  David Edelsohn  <dje.gcc@gmail.com>
656         * config/rs6000/aix61.h (TARGET_DEFAULT): Add MASK_PPC_GPOPT,
657         MASK_PPC_GFXOPT, and MASK_MFCRF.
659 2012-09-19  Richard Guenther  <rguenther@suse.de>
661         * passes.c (init_optimization_passes): For -Og move
662         pass_object_sizes inbetween CCP and copyprop.
664 2012-09-19  Richard Guenther  <rguenther@suse.de>
666         * tree-ssa-forwprop.c (get_prop_source_stmt): Simplify.
668 2012-09-19  Jan Hubicka  <jh@suse.cz>
670         * symtab.c (insert_to_assembler_name_hash): Do not insert
671         register vars.
672         (unlink_from_assembler_name_hash): NULL out pointers of unlinked var.
673         (symtab_prevail_in_asm_name_hash): New.
674         (symtab_initialize_asm_name_hash): Break out from ...
675         (symtab_node_for_asm): ... here.
676         (dump_symtab_base): Dump LTO file data.
677         (verify_symtab_base): Register vars are not in symtab.
678         * cgraph.h (symtab_initialize_asm_name_hash,
679         symtab_prevail_in_asm_name_hash): New functions.
680         (symtab_real_symbol_p): New inline.
681         * lto-symtab.c: Do not include gt-lto-symtab.h.
682         (lto_symtab_entry_def): Remove.
683         (lto_symtab_entry_t): Remove.
684         (lto_symtab_identifiers): Remove.
685         (lto_symtab_free): Remove.
686         (lto_symtab_entry_hash): Remove.
687         (lto_symtab_entry_eq): Remove.
688         (lto_symtab_entry_marked_p): Remove.
689         (lto_symtab_maybe_init_hash_table): Remove.
690         (resolution_guessed_p, set_resolution_guessed): New functions.
691         (lto_symtab_register_decl): Only set resolution info.
692         (lto_symtab_get, lto_symtab_get_resolution): Remove.
693         (lto_symtab_merge): Reorg to work across symtab; do nothing if decls
694         are same.
695         (lto_symtab_resolve_replaceable_p): Reorg to work on symtab.
696         (lto_symtab_resolve_can_prevail_p): Likewise; only real symbols can
697         prevail.
698         (lto_symtab_resolve_symbols): Reorg to work on symtab.
699         (lto_symtab_merge_decls_2): Likewise.
700         (lto_symtab_merge_decls_1): Likewise; add debug dumps.
701         (lto_symtab_merge_decls): Likewise; do not merge at ltrans stage.
702         (lto_symtab_merge_cgraph_nodes_1): Reorg to work on symtab.
703         (lto_symtab_merge_cgraph_nodes): Likewise; do not merge at ltrans
704         stage.
705         (lto_symtab_prevailing_decl): Rewrite to lookup into symtab.
706         * lto-streaer.h (lto_symtab_free): Remove.
707         * lto-cgraph.c (add_references): Cleanup.
708         * varpool.c (varpool_assemble_decl): Skip hard regs.
710 2012-09-19  Richard Guenther  <rguenther@suse.de>
712         PR other/53316
713         * common/common-target.h (OPT_LEVELS_1_PLUS_NOT_DEBUG): Add.
715 2012-09-19  Richard Guenther  <rguenther@suse.de>
717         PR other/53316
718         * common.opt (optimize_debug): New variable.
719         (Og): New optimization level.
720         * doc/invoke.texi (Og): Document.
721         * opts.c (maybe_default_option): Add debug parameter.
722         (maybe_default_options): Likewise.
723         (default_options_optimization): Handle -Og.
724         (common_handle_option): Likewise.
725         * passes.c (gate_all_optimizations): Do not run with -Og.
726         (gate_all_optimizations_g): New gate, run with -Og.
727         (pass_all_optimizations_g): New container pass, run with -Og.
728         (init_optimization_passes): Schedule pass_all_optimizations_g
729         alongside pass_all_optimizations.
731 2012-09-19  Richard Guenther  <rguenther@suse.de>
733         PR tree-optimization/54132
734         * tree-loop-distribution.c (classify_partition): Properly
735         check dependences for memmove.
736         * tree-data-ref.h (compute_affine_dependence): Declare.
737         * tree-data-ref.c (compute_affine_dependence): Export.
739 2012-09-19  Zhenqiang Chen <zhenqiang.chen@arm.com>
741         PR middle-end/54364
742         * bb-reorder.c (connect_better_edge_p): New added.
743         (find_traces_1_round): When optimizing for size, ignore edge frequency
744         and probability, and handle all in one round.
745         (bb_to_key): Use bb->index as key when optimizing for size.
746         (better_edge_p): The bb with smaller index is better when optimizing
747         for size.
748         (connect_traces): When optimizing for size, connect block n with
749         block n + 1; connect trace m with trace m + 1 if falling through.
750         (gate_handle_reorder_blocks): Enable bbro when optimizing for -Os.
752 2012-09-19  Bin Cheng  <bin.cheng@arm.com>
754         * fold-const.c (fold_truth_andor): Remove duplicated check on
755         BRANCH_COST.
757 2012-09-18  Eric Botcazou  <ebotcazou@adacore.com>
759         PR middle-end/54617
760         * expr.c (store_field): Handle a PARALLEL in more cases.
762 2012-09-18  Segher Boessenkool  <segher@kernel.crashing.org>
764         * config/rs6000/rs6000.md (sminsi3, smaxsi3, uminsi3, umaxsi3): Delete.
765         (abssi2, abs<mode>2_isel, nabs<mode>2_isel, abssi2_nopower,
766         nabs_nopower): Delete.
767         (absdi2, absdi2_internal, nabsdi2): Delete.
768         (smindi3, smaxdi3, umindi3, umaxdi3): Delete.
770 2012-09-18  Georg-Johann Lay  <avr@gjlay.de>
772         * config/avr/avr.md: Tidy up empty "".  Fix C code indentation.
773         * config/avr/avr-fixed.md: Ditto.
775 2012-09-18  Maciej W. Rozycki  <macro@codesourcery.com>
777         * config/rs6000/rs6000.c (print_operand) <'c'>: Remove.
778         * config/rs6000/spe.md: Remove a leftover comment.
780 2012-09-18  Jakub Jelinek  <jakub@redhat.com>
782         PR target/54592
783         * config/i386/i386.c (ix86_rtx_costs): Limit > UNITS_PER_WORD
784         AND/IOR/XOR cost calculation to MODE_INT class modes.
786 2012-09-18 Thomas Quinot  <quinot@adacore.com>
788         * doc/invoke.texi: Document -fada-spec-parent.
790 2012-09-18  Jakub Jelinek  <jakub@redhat.com>
792         PR tree-optimization/54610
793         * tree-ssa-forwprop.c: Include optabs.h.  Don't include
794         tree-vectorizer.h.
795         (simplify_vector_constructor): Don't use vect_gen_perm_mask,
796         instead create the mask constant here.
797         * Makefile.in (tree-ssa-forwprop.o): Depend on $(OPTABS_H).
798         Don't depend on $(TREE_VECTORIZER_H).
800 2012-09-18  Florian Weimer  <fweimer@redhat.com>
802         * Makefile.in (BASIC_BLOCK_H): Add cfg-flags.def.
804 2012-09-18  Richard Guenther  <rguenther@suse.de>
806         * statistics.h (CXX_MEM_STAT_INFO): New define.
807         * gimple.h (gimple_build_assign_with_ops_stat,
808         gimple_build_assign_with_ops, gimple_build_assign_with_ops3):
809         Turn into an overload of the function gimple_build_assign_with_ops.
810         * gimple.c (gimple_build_assign_with_ops_stat): Rename to ...
811         (gimple_build_assign_with_ops): ... this.
812         * tree-ssa-loop-im.c (move_computations_stmt): Adjust.
813         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
814         * tree-vect-data-refs.c (vect_permute_store_chain): Likewise.
815         (vect_permute_load_chain): Likewise.
816         * tree-vect-generic.c (expand_vector_divmod): Likewise.
817         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Likewise.
818         (vect_recog_divmod_pattern): Likewise.
819         (vect_recog_mixed_size_cond_pattern): Likewise.
820         (adjust_bool_pattern): Likewise.
821         * tree-vect-slp.c (vect_create_mask_and_perm): Likewise.
822         * tree-vect-stmts.c (vectorizable_operation): Likewise.
823         (permute_vec_elements): Likewise.
824         (vectorizable_load): Likewise.
826 2012-09-17  Paul Koning  <ni1d@arrl.net>
828         * doc/invoke.text (-feliminate-unused-debug-types): Update to
829         reflect that this is enabled by default.
831 2012-09-17  Ben Cheng  <bccheng@google.com
833         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Suppress the
834         dynamic linker commands for statically linked programs.
836 2012-09-17  Ulrich Weigand  <ulrich.weigand@linaro.org>
838         * config/arm/arm.c (arm_rtx_costs_1): Handle vec_extract and vec_set
839         patterns.
840         * config/arm/arm.md ("vec_set<mode>_internal"): Support memory source
841         operands, implemented via vld1 instruction.
842         ("vec_extract<mode>"): Support memory destination operands, implemented
843         via vst1 instruction.
844         ("neon_vst1_lane<mode>"): Use UNSPEC_VST1_LANE instead of vec_select.
845         * config/arm/predicates.md ("neon_lane_number"): Remove.
847 2012-09-17  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
848             Ulrich Weigand  <ulrich.weigand@linaro.org>
850         * config/arm/arm.c (output_move_neon): Update comment.
851         Use vld1.64/vst1.64 instead of vldm/vstm where possible.
852         (neon_vector_mem_operand): Support double-word modes.
853         * config/arm/neon.md (*neon_mov VD): Call output_move_neon
854         instead of output_move_vfp.  Change constraint from Uv to Un.
856 2012-09-17  Richard Guenther  <rguenther@suse.de>
858         PR lto/54598
859         * tree-streamer-in.c (unpack_ts_real_cst_value_fields): Use ggc'ed
860         FIXED_VALUE_TYPE instead of struct fixed_value.
862 2012-09-17  Georg-Johann Lay  <avr@gjlay.de>
864         * config/avr/avr.c (CONST_FIXED_P): Remove define.
865         * config/avr/avr.md (add<mode>3): Use CONST_FIXED_P.
867 2012-09-17  Georg-Johann Lay  <avr@gjlay.de>
869         PR target/54607
870         * config.gcc (tm_file,avr): Add avr/avr-arch.h.
871         * config/avr/t-avr (gen-avr-mmcu-texi): Use CC_FOR_BUILD to
872         compile.  Don't depend on TM_H.  Use CFLAGS_FOR_BUILD.
873         * config/avr/avr.h (avr_arch, base_arch_s, mcu_type_s): Source out
874         to...
875         * config/avr/avr-arch.h: ...this new file.
876         * config/avr/gen-avr-mmcu-texi.c: Include avr-arch.h, stdio.h,
877         stdlib.h.
878         * comparator: Make letters smaller than digits.
879         * config/avr/avr-devices.c: Don't include headers if used in
880         gen-avr-mmcu-texi.c.
881         * doc/avr-mmcu.texi: Regenerate.
883 2012-09-17  Georg-Johann Lay  <avr@gjlay.de>
885         * rtl.h (CONST_FIXED_P): New predicate macro.
887 2012-09-17  Eric Botcazou  <ebotcazou@adacore.com>
889         * tree-cfgcleanup. (cleanup_control_expr_graph) <GIMPLE_COND>: Remove
890         code doing propagation from degenerate PHI nodes.
891         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): New function.
892         (propagate_constants_for_unrolling): Likewise.
893         (tree_unroll_loops_completely): If the current loop has been unrolled
894         and its father isn't the entire function, propagate constants within
895         the new basic blocks by means of propagate_constants_for_unrolling.
897 2012-09-17  Jakub Jelinek  <jakub@redhat.com>
899         PR tree-optimization/54563
900         * tree-ssa-math-opts.c (execute_cse_sincos): Call
901         gimple_purge_dead_eh_edges if last call has been changed.
903 2012-09-17  Georg-Johann Lay  <avr@gjlay.de>
905         PR target/54222
906         * config/avr/avr.c (avr_out_plus_symbol): Fix typo if PLUS and PSImode.
907         (avr_out_plus_1): Remove log comments from assembler output.
909 2012-09-17  Ruben Buchatskiy  <ruben@ispras.ru>
911         * config/arm/vfp.md (*thumb2_movdf_vfp): Require one of the operands
912         to be a register.
914 2012-09-16  Richard Sandiford  <rdsandiford@googlemail.com>
916         * calls.c (expand_call): Use emit_group_move for PARALLEL->PARALLEL
917         moves.
919 2012-09-15  Tom de Vries  <tom@codesourcery.com>
921         * tree-vrp.c (extract_range_from_binary_expr_1): Fix bug in handling of
922         LSHIFT_EXPR with shift range.  Handle more LSHIFT_EXPR cases with shift
923         range.
925 2012-09-15  Georg-Johann Lay  <avr@gjlay.de>
927         PR target/54222
928         * config/avr/avr-fixed.md (ALL2S, ALL4S, ALL24S, ALL124S,
929         ALL124U): New mode iterators.
930         (<code_stdname><mode>3): New insns for SS_PLUS, SS_MINUS.
931         (<code_stdname><mode>3): New insns for US_PLUS, US_MINUS.
932         (usneg<mode>2): New insns.
933         (<code_stdname><mode>2): New expanders for SS_NEG, SS_ABS.
934         (*<code_stdname><mode>2): New insns for SS_NEG, SS_ABS.
935         * config/avr/avr-dimode.md (ALL8U, ALL8S): New mode iterators.
936         (avr_out_plus64, avr_out_minus64): Use avr_out_plus instead.
937         (<code_stdname><mode>3): New expanders for SS_PLUS, SS_MINUS.
938         (<code_stdname><mode>3): New expanders for US_PLUS, US_MINUS.
939         (<code_stdname><mode>3_insn): New insns.
940         (<code_stdname><mode>3_const_insn): New insns.
941         * config/avr/avr.md (cc): Add: plus. Remove: out_plus,
942         out_plus_noclobber, minus.
943         (length): Add: plus.  Remove: out_plus, out_plus_noclobber,
944         plus64, minus, minus64.
945         (abelian): New code_attr.
946         (code_stdname): Handle: ss_plus, ss_minus, ss_neg, ss_abs,
947         us_plus, us_minus, us_neg.
948         (*add<mode>3, add<mode>3_clobber, add<mode>3, addpsi3, sub<mode>3):
949         Use avr_out_plus to output.
950         * config/avr/avr-protos.h (avr_out_plus): Change prototype.
951         (avr_out_plus_noclobber, avr_out_minus): Remove.
952         (avr_out_plus64, avr_out_minus64): Remove.
953         * config/avr/avr.c (avr_out_plus_1): Add new default arguments
954         code_sat, sign.  Saturate after operation if code_sat != UNKNOWN.
955         (avr_out_plus_symbol): New static function.
956         (avr_out_plus): Rewrite.
957         (adjust_insn_length): Handle: ADJUST_LEN_PLUS.  Remove handling
958         of: ADJUST_LEN_OUT_PLUS, ADJUST_LEN_PLUS64, ADJUST_LEN_MINUS,
959         ADJUST_LEN_MINUS64, ADJUST_LEN_OUT_PLUS_NOCLOBBER.
960         (notice_update_cc): Handle: CC_PLUS.  Remove handling of: CC_MINUS,
961         CC_OUT_PLUS, CC_OUT_PLUS_NOCLOBBER
962         (avr_out_plus_noclobber, avr_out_minus): Remove.
963         (avr_out_plus64, avr_out_minus64): Remove.
964         (avr_print_operand): Print raw REGNO if 'r' is used with REG.
966 2012-09-15  Oleg Endo  <olegendo@gcc.gnu.org>
968         * config/sh/sh.c (sh_rtx_costs): Add handling of MEM, SIGN_EXTEND,
969         ZERO_EXTEND and PARALLEL cases.
970         (sh_address_cost): Correct rtx parsing and tweak cost estimations.
972 2012-09-14  Sandra Loosemore  <sandra@codesourcery.com>
974         * doc/tm.texi.in (Stack Arguments): Update obsolete references
975         to current_function_outgoing_args_size.
976         (Function Entry): Likewise for current_function_pops_args,
977         current_function_pretend_args_size,
978         current_function_outgoing_args_size, and
979         current_function_epilogue_delay_list.
980         (Misc): Fix garbled sentence referencing nonexistent
981         current_function_leaf_function.
982         * doc/tm.texi: Regenerated.
984 2012-09-14  Dehao Chen  <dehao@google.com>
986          * tree-eh.c (goto_queue_node): New field.
987         (record_in_goto_queue): New parameter.
988         (record_in_goto_queue_label): New parameter.
989         (lower_try_finally_dup_block): New parameter.
990         (maybe_record_in_goto_queue): Update source location.
991         (lower_try_finally_copy): Likewise.
992         (honor_protect_cleanup_actions): Likewise.
993         * gimplify.c (gimplify_expr): Reset the location to unknown.
995 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
997         * configure: Regenerated.
999 2012-09-14  Walter Lee  <walt@tilera.com>
1001         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
1002         option for TILEPro and TILE-Gx.
1003         (TILE-Gx Options): Fix grammar and spellings in documentation for
1004         -mcmodel.
1006 2012-09-14  Marc Glisse  <marc.glisse@inria.fr>
1008         PR c++/54427
1009         * fold-const.c (fold_unary_loc): Disable for VECTOR_TYPE.
1010         (fold_binary_loc): Likewise.
1011         * gimple-fold.c (and_comparisons_1): Handle VECTOR_TYPE.
1012         (or_comparisons_1): Likewise.
1014 2012-09-14  Richard Earnshaw  <rearnsha@arm.com>
1016         PR target/54516
1017         PR rtl-optimization/54540
1018         * reload.c (find_dummy_reload): Don't use OUT as a reload reg
1019         for IN if it overlaps a fixed register.
1021 2012-09-14  Eric Botcazou  <ebotcazou@adacore.com>
1023         PR rtl-optimization/44194
1024         * calls.c (expand_call): In the PARALLEL case, copy the return value
1025         into pseudos instead of spilling it onto the stack.
1026         * emit-rtl.c (adjust_address_1): Rename ADJUST into ADJUST_ADDRESS and
1027         add new ADJUST_OBJECT parameter.
1028         If ADJUST_OBJECT is set, drop the underlying object if it cannot be
1029         proved that the adjusted memory access is still within its bounds.
1030         (adjust_automodify_address_1): Adjust call to adjust_address_1.
1031         (widen_memory_access): Likewise.
1032         * expmed.c (store_bit_field_1): Call adjust_bitfield_address instead
1033         of adjust_address.  Do not drop the underlying object of a MEM.
1034         (store_fixed_bit_field): Likewise.
1035         (extract_bit_field_1): Likewise.  Fix oversight in recursion.
1036         (extract_fixed_bit_field): Likewise.
1037         * expr.h (adjust_address_1): Adjust prototype.
1038         (adjust_address): Adjust call to adjust_address_1.
1039         (adjust_address_nv): Likewise.
1040         (adjust_bitfield_address): New macro.
1041         (adjust_bitfield_address_nv): Likewise.
1042         * expr.c (expand_assignment): Handle a PARALLEL in more cases.
1043         (store_expr): Likewise.
1044         (store_field): Likewise.
1046         * dse.c: Fix typos in the head comment.
1048 2012-09-14  Christian Bruel  <christian.bruel@st.com>
1050         PR target/54546
1051         * config/sh/sh-protos.h (sh_need_epilogue): Delete.
1052         (sh_can_use_simple_return_p): Declare.
1053         * config/sh/sh.c (sh_can_use_simple_return_p): Define.
1054         (sh_need_epilogue, sh_need_epilogue_known): Delete.
1055         (sh_output_function_epilogue): Remove sh_need_epilogue_known.
1056         * config/sh/sh.md (simple_return, return): Define.
1057         (epilogue): Use inline return rtl.
1058         (sh_expand_epilogue): Cleanup parameters boolean type.
1059         * config/sh/iterators.md (any_return): New iterator.
1061 2012-09-14  Christian Bruel  <christian.bruel@st.com>
1063         * config/sh/predicates.md (t_reg_operand): Check REG_P for SUBREG.
1064         * config/sh/sh.c (sequence_insn_p: Check INSNP_P for SEQUENCE.
1066 2012-09-14  Jakub Jelinek  <jakub@redhat.com>
1068         PR target/54564
1069         * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
1070         instead of (match_dup 0) as second argument to vec_merge.
1071         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
1072         Remove third alternative.
1073         (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
1074         operand 2 instead of operand 1, but put it as first argument of fma.
1075         * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
1076         _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
1077         of the first.
1079 2012-09-14  Richard Guenther  <rguenther@suse.de>
1081         PR tree-optimization/54565
1082         * passes.c (init_optimization_passes): Adjust comments.
1083         (execute_function_todo): Do not execute execute_update_addresses_taken
1084         before processing TODO_rebuild_alias.
1085         * tree-ssa-ccp.c (do_ssa_ccp): Schedule TODO_update_address_taken.
1087 2012-09-14  Richard Guenther  <rguenther@suse.de>
1089         * tree-vrp.c (register_new_assert_for): Simplify for backward walk.
1090         (find_assert_locations_1): Walk the basic-block backwards, properly
1091         add/prune from live.  Use live for asserts derived from stmts.
1093 2012-09-14  Marc Glisse  <marc.glisse@inria.fr>
1095         * tree-ssa-forwprop.c (simplify_bitfield_ref): Call
1096         get_prop_source_stmt.
1097         (simplify_permutation): Likewise.
1098         (simplify_vector_constructor): Likewise.
1100 2012-09-14  Richard Guenther  <rguenther@suse.de>
1102         * builtin-types.def (BT_FN_CONST_STRING): Add.
1103         * builtins.def (BUILT_IN_FILE, BUILT_IN_FUNCTION,
1104         BUILT_IN_LINE): New builtins.
1105         * gimplify.c (gimplify_call_expr): Expand them.
1106         * doc/extend.texi (__builtin_LINE, __builtin_FUNCTION,
1107         __builtin_FILE): Document.
1109 2012-09-13  Anthony Green  <green@moxielogic.com>
1111         * config/moxie/moxie.h (LINK_SPEC): Add bi-endian support.
1112         (MULTILIB_DEFAULTS): Define.
1113         (ASM_SPEC): Define.
1114         (BYTES_BIG_ENDIAN, WORDS_BIG_ENDIAN): Add bi-endian support.
1115         (TARGET_CPU_CPP_BUILTINS): Add __MOXIE_LITTLE_ENDIAN__ and
1116         __MOXIE_BIG_ENDIAN__.
1117         * config/moxie/t-moxie (MULTILIB_DIRNAMES, MULTILIB_OPTIONS): Define.
1118         * config/moxie/moxie.opt: New file.
1119         * doc/invoke.texi (Moxie Options): Add section documenting -mel
1120         and -meb.
1122 2012-09-13  Paolo Carlini  <paolo.carlini@oracle.com>
1123             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1125         PR c++/53210
1126         * doc/invoke.texi ([Winit-self]): Document as enabled by -Wall in C++.
1128 2012-09-13  Eric Botcazou  <ebotcazou@adacore.com>
1130         * config/sparc/predicates.md (input_operand): Do not consider TImode
1131         constants as 1-instruction integer constants.
1132         Use register_or_zero_operand instead of register_operand and tidy up.
1133         * config/sparc/sparc.md (movti): New expander.
1134         (movti_insn_sp64): New instruction.
1135         (movti_insn_sp64_hq): Likewise.
1136         (TImode splitters): New splitters.
1137         * config/sparc/sparc.c (sparc_expand_move) <TImode>: New case.
1138         (sparc_legitimate_address_p): Return 0 for REG+REG in TImode.
1140         * config/sparc/sparc-protos.h (arith_double_4096_operand): Delete.
1141         (arith_4096_operand): Likewise.
1142         (zero_operand): Likewise.
1143         (fp_zero_operand): Likewise.
1144         (reg_or_0_operand): Likewise.
1146 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
1148         * configure.ac (CXXFLAGS): Remove -O2 when not bootstrapping.
1149         * configure: Regenerated.
1151 2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
1153         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
1154         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
1155         Rename to ...
1156         (*prefetch_sse): ... this.
1157         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
1158         Rename to ...
1159         (*prefetch_3dnow): ... this.
1161 2012-09-13  Steven Bosscher  <steven@gcc.gnu.org>
1163         * ipa-pure-const.c (state_from_flags, local_pure_const): Use
1164         current_function_name instead of lang_hooks.decl_printable_name.
1166         * function.h (fndecl_name): New prototype.
1167         * function.c (fndecl_name): New function.
1168         * vecir.h (cgraph_node_p): New standard IR VEC type.
1169         * trans-mem.c (cgraph_node_p): No need anymore to define it here.
1170         * ipa-utils.h (ipa_get_nodes_in_cycle): New prototype.
1171         * ipa-utils.c (ipa_get_nodes_in_cycle): New function.
1172         * ipa-reference.c: Don't include langhooks.h, and certainly not twice.
1173         Fix many formatting issues (long lines, short lines, spacing, etc.).
1174         (get_static_name): Use fndecl_name.
1175         (dump_static_vars_set_to_file): New function split out from propagate.
1176         (union_static_var_sets): New function, union two sets and collapse
1177         to all_module_statics as quickly as possible.
1178         (intersect_static_var_sets): New function, similar to above.
1179         (copy_static_var_set): Renamed from copy_global_bitmap and rewritten
1180         to allocate a copy on the same bitmap_obstack as the source set.
1181         (propagate_bits): Simplify, and clarify by using union_static_var_sets.
1182         (generate_summary): Remove bm_temp.  Print UID of promotable globals.
1183         (read_write_all_from_decl): Use pass-by-reference, bless C++.
1184         (get_read_write_all_from_node): New function, split out from propagate.
1185         (propagate): Simplify and clarify with helper functions.  Use
1186         ipa_get_nodes_in_cycle to walk all nodes in a reduced node.
1187         (ipa_reference_read_optimization_summary): Use fndecl_name instead of
1188         lang_hooks.decl_printable_name.
1190         * rtl.h (print_rtl_single_with_indent): New prototype.
1191         * print-rtl.c (print_rtl_single_with_indent): New function.
1192         * cfghooks.h (empty_block_p, split_block_before_cond_jump): New hooks.
1193         * cfghooks.c (empty_block_p, split_block_before_cond_jump): Implement.
1194         * cfgrtl.c (rtl_block_empty_p, rtl_split_block_before_cond_jump):
1195         Implement RTL specific hooks.
1196         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Register the new hooks.
1197         * tree-cfg.c (gimple_empty_block_p,
1198         gimple_split_block_before_cond_jump): Implement GIMPLE specific hooks.
1199         (gimple_cfg_hooks): Register the new hooks.
1200         * tree-ssa-phiopt.c (empty_block_p): Remove in favor of new hook.
1202 2012-09-13  Richard Guenther  <rguenther@suse.de>
1204         * tree-ssa-sccvn.h (enum vn_kind): New.
1205         (vn_get_stmt_kind): Likewise.
1206         * tree-ssa-sccvn.c (vn_get_stmt_kind): New function, adjust
1207         ADDR_EXPR handling.
1208         (visit_use): Use it.
1209         * tree-ssa-pre.c (compute_avail): Likewise, simplify further.
1211 2012-09-13  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1213         * config/i386/i386.c (processor_alias_table): Enable PTA_PRFCHW
1214         for targets bdver1, bdver2, btver1 and btver2.
1216 2012-09-13  Christophe Lyon  <christophe.lyon@linaro.org>
1217             Richard Earnshaw  <rearnsha@arm.com>
1219         * config/arm/arm.md (arm_rev): Factorize thumb1, thumb2 and arm
1220         variants for rev instruction..
1221         (thumb1_rev): Delete pattern.
1222         (arm_revsh): New pattern to support builtin_bswap16.
1223         (arm_rev16, bswaphi2): Likewise.
1225 2012-09-12  Teresa Johnson  <tejohnson@google.com>
1227         PR gcov-profile/54487
1228         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
1229         test using F_SETLKW with fcntl.
1230         * configure, config.in: Regenerate.
1232 2012-09-12  Jan Hubicka  <jh@suse.cz>
1234         PR fortran/48636
1235         * ipa-inline-analysis.c (dump_inline_hints): Dump loop stride.
1236         (set_hint_predicate): New function.
1237         (reset_inline_summary): Reset loop stride.
1238         (remap_predicate_after_duplication): New function.
1239         (remap_hint_predicate_after_duplication): New function.
1240         (inline_node_duplication_hook): Update.
1241         (dump_inline_summary): Dump stride summaries.
1242         (estimate_function_body_sizes): Compute strides.
1243         (remap_hint_predicate): New function.
1244         (inline_merge_summary): Use it.
1245         (inline_read_section): Read stride.
1246         (inline_write_summary): Write stride.
1247         * ipa-inline.c (want_inline_small_function_p): Handle strides.
1248         (edge_badness): Likewise.
1249         * ipa-inline.h (inline_hints_vals): Add stride hint.
1250         (inline_summary): Update stride.
1252 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
1254         * config/i386/i386.c (x86_prefetch_sse): Change to unsigned char.
1255         * config/i386/i386.h (x86_prefetch_sse): Ditto.
1257 2012-09-12  H.J. Lu  <hongjiu.lu@intel.com>
1259         PR target/54445
1260         * config/i386/predicates.md (x86_64_immediate_operand): Allow
1261         negative offset for UNSPEC_DTPOFF/UNSPEC_NTPOFF.
1263 2012-09-12  Jan Hubicka  <jh@suse.cz>
1265         * common.opt (flto-partition): Add "max".
1266         * invoke.texi (flto-partition): Document "max"
1268 2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1270         * config/i386/i386.md : Comments on fma4 instruction selection
1271         reflect requirement on register pressure based cost model.
1273         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
1274         flag is set-reset as informed by the cpuid flag.
1276         * config/i386/i386.c (processor_alias_table): fma4
1277         flag is enabled for bdver2.
1279 2012-09-12  Richard Guenther  <rguenther@suse.de>
1281         PR tree-optimization/54489
1282         * tree-ssa-pre.c: Include domwalk.h.
1283         (in_fre): Remove.
1284         (sccvn_valnum_from_value_id): New function.
1285         (debug_bitmap_sets_for): Simplify.
1286         (get_representative_for): Properly initialize the SCCVN valnum.
1287         (create_expression_by_pieces): Likewise.
1288         (insert_into_preds_of_block): Likewise.
1289         (can_PRE_operation): Remove.
1290         (make_values_for_phi): Simplify.
1291         (compute_avail): Likewise.
1292         (do_SCCVN_insertion): Remove.
1293         (eliminate_avail, eliminate_push_avail, eliminate_insert):
1294         New functions.
1295         (eliminate): Split and perform a domwalk.
1296         (eliminate_bb): Former eliminate part that is now dom-enter.
1297         (eliminate_leave_block): New function.
1298         (fini_eliminate): Likewise.
1299         (init_pre): Simplify.
1300         (fini_pre): Likewise.
1301         (execute_pre): Fold into do_pre and do_fre.
1302         (do_pre): Consume execute_pre.
1303         (do_fre): Likewise.
1304         * Makefile.in (tree-ssa-pre.o): Add domwalk.h dependency.
1306 2012-09-12  Diego Novillo  <dnovillo@google.com>
1308         * vec.h: Remove compatibility notes for previous distinction
1309         between vectors of objects and vectors of pointers.
1311 2012-09-12  Christian Bruel  <christian.bruel@st.com>
1313         * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
1315 2012-09-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1317         * rtl.h (FFS, FLOAT, ABS, PC): Don't undef.
1318         * system.h (FFS, FLOAT, ABS, PC): Undef.
1320 2012-09-12  Richard Guenther  <rguenther@suse.de>
1322         PR middle-end/54553
1323         * common.opt (finline): Mark with Optimization.
1325 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
1327         * config.gcc: Obsolete picochip-*.
1329 2012-09-12  Nathan Froyd  <froydnj@gcc.gnu.org>
1330             Hans-Peter Nilsson  <hp@bitrange.com>
1332         * config/mmix/mmix.h (MMIX_REG_OK_STRICT): Delete.
1333         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P): Delete.
1334         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1335         * config/mmix/mmix-protos.h (mmix_intval): Declare.
1336         (mmix_const_ok_for_letter_p, mmix_extra_constraint): Delete.
1337         (mmix_const_double_ok_for_letter_p): Delete.
1338         * config/mmix/constraints.md: New file.
1339         * config/mmix/mmix.md: Include it.
1340         (iordi3): Fix typo; use "I" instead of undefined "H" constraint.
1341         ("*call_real"): Update comment about not using the "p" constraint.
1342         * config/mmix/predicates.md (mmix_reg_or_8bit_operand): Use
1343         satisfies_constraint_I.
1344         (mmix_address_operand): New predicate.
1345         (mmix_symbolic_or_address_operand): Use it instead of address_operand.
1346         * config/mmix/mmix.c: #include tm-constrs.h.
1347         (mmix_intval): Delete declaration.  Make non-static.
1348         (mmix_const_ok_for_letter_p, mmix_extra_constraint): Delete.
1349         (mmix_const_double_ok_for_letter_p): Delete.
1350         (mmix_legitimate_address_p): Use satisfies_constraint_I.
1351         (mmix_print_operand_address): Likewise.
1352         (mmix_emit_sp_add): Adjust to use insn_const_int_ok_for_constraint
1353         when matching "L" constraint.
1355 2012-09-11  Steven Bosscher  <steven@gcc.gnu.org>
1357         * tree.h (expand_case): Move prototype ...
1358         * expr.h (expand_case): ...here.
1359         (expand_sjlj_dispatch_table): New prototype.
1360         * stmt.c: Include pointer-set.h instead of bitmap.h.
1361         (expand_case): Use a pointer set instead of a bitmap for
1362         already-seen labels.  Fold label values here.
1363         (add_case_node): Don't fold label values here.
1364         (expand_sjlj_dispatch_table): New function.
1365         * except.c (sjlj_emit_dispatch_table): Use it.
1367 2012-09-11  Marc Glisse  <marc.glisse@inria.fr>
1369         * tree-ssa-forwprop.c (simplify_vector_constructor): New function.
1370         (ssa_forward_propagate_and_combine): Call it.
1372 2012-09-11  Diego Novillo  <dnovillo@google.com>
1374         * var-tracking.c (vt_add_function_parameter): Adjust for VEC changes.
1376 2012-09-11  Dominique Dhumieres  <dominiq@lps.ens.fr>
1378         * config/darwin.c (darwin_asm_named_section): Adjust for VEC changes.
1379         (darwin_asm_dwarf_section): Likewise.
1381 2012-09-11  Martin Jambor  <mjambor@suse.cz>
1383         * dwarf2out.c (dwarf2out_abstract_function): Do not change cfun.
1384         (premark_used_types): New parameter fun, use it instead of cfun.
1385         (gen_subprogram_die): Use DECL_STRUCT_FUNCTION (decl) instead of cfun,
1386         also pass it to premark_used_types.
1388 2012-09-11  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1390         * doc/sourcebuild.texi (arm_neon_v2_ok): Adjust command line.
1392 2012-09-11  Tobias Burnus  <burnus@net-b.de>
1394         * doc/sourcebuild.texi (arm_neon_v2_ok): Fix @anchor.
1396 2012-09-11  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1397             Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1399         * config/arm/neon.md (fma<VCVTF:mode>4): New pattern.
1400         (*fmsub<VCVTF:mode>4): Likewise.
1401         * doc/sourcebuild.texi (arm_neon_v2_ok, arm_neon_v2_hw):  Document it.
1403 2012-09-11  Aldy Hernandez  <aldyh@redhat.com>
1405         PR middle-end/54149
1406         * tree-ssa-loop-im.c (execute_sm_if_changed_flag_set): Only set
1407         flag for writes.
1409 2012-09-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1411         PR tree-optimization/55492
1412         * doc/invoke.texi (max-slsr-cand-scan): New description.
1413         * gimple-ssa-strength-reduction.c (find_basis_for_candidate): Limit
1414         the time spent searching for a basis.
1415         * params.def (PARAM_MAX_SLSR_CANDIDATE_SCAN): New param.
1417 2012-09-11  Richard Guenther  <rguenther@suse.de>
1419         * gimple.h (gimple_register_type): Remove.
1420         (print_gimple_types_stats): Adjust prototype.
1421         * lto-streamer.h (print_lto_report): Likewise.
1422         * lto-streamer.c (print_lto_report): Adjust.
1423         * gimple.c (gimple_types, type_hash_cache, enum gtc_mode,
1424         struct type_pair_d, lookup_type_pair, struct sccs,
1425         next_dfs_num, gtc_next_dfs_num, struct gimple_type_leader_entry_s,
1426         gimple_type_leader, gimple_lookup_type_leader, compare_type_names_p,
1427         gtc_visit, gimple_types_compatible_p_1, gimple_types_compatible_p,
1428         visit, iterative_hash_name, struct type_hash_pair,
1429         type_hash_pair_compare, iterative_hash_gimple_type, gimple_type_hash,
1430         gimple_type_eq, gimple_register_type_1, gimple_register_type):
1431         Move to lto/lto.c.
1432         (print_gimple_types_stats): Adjust.
1433         (free_gimple_type_tables): Likewise.
1435 2012-09-11  Richard Guenther  <rguenther@suse.de>
1437         * graphite-scop-detection.c (move_sd_regions): Adjust for VEC changes.
1438         (scopdet_basic_block_info): Likewise.
1439         (build_scops_1): Likewise.
1440         (limit_scops): Likewise.
1442 2012-09-11  Richard Guenther  <rguenther@suse.de>
1444         PR middle-end/54515
1445         * gimple.c (get_base_address): Do not return NULL_TREE apart
1446         from for WITH_SIZE_EXPR.
1447         * gimple-fold.c (canonicalize_constructor_val): Do not call
1448         get_base_address when not necessary.
1450 2012-09-10  Andrew Pinski  <apinski@cavium.com>
1452         PR tree-opt/54362
1453         * trans-mem.c (thread_private_new_memory): Handle COND_EXPR also.
1455 2012-09-10  Maxim Kuvyrkov  <maxim@codesourcery.com>
1457         * config/m68k/m68k.c (m68k_sched_dfa_post_advance_cycle): Support
1458         starting scheduling from a pre-existing state.
1460 2012-09-10  Diego Novillo  <dnovillo@google.com>
1462         * vec.h (vec_t::quick_push): Remove overload that accepts 'T *'.
1463         Update all users.
1464         (vec_t::safe_push): Likewise.
1465         (vec_t::quick_insert): Likewise.
1466         (vec_t::lower_bound): Likewise.
1467         (vec_t::safe_insert): Likewise.
1468         (vec_t::replace): Change second argument to 'T &'.
1470 2012-09-10  Maciej W. Rozycki  <macro@codesourcery.com>
1472         * config/rs6000/rs6000.md: Move a splitter next to its insn.
1474 2012-09-10  Oleg Endo  <olegendo@gcc.gnu.org>
1476         PR target/54089
1477         * config/sh/sh.h (SH_DYNAMIC_SHIFT_COST): Set always to 1 if
1478         dynamic shifts are available.
1479         (SHIFT_COUNT_TRUNCATED): Always define to 0.  Correct comment.
1480         * config/sh/sh.c (ashl_lshr_seq, ext_ashl_lshr_seq): Add comments.
1481         * config/sh/predicates.md (shift_count_operand): Allow
1482         arith_reg_operand even if TARGET_DYNSHIFT is false.
1483         * config/sh/sh.md (ashlsi3, lshrsi3): Expand library call patterns
1484         if needed.
1485         (ashlsi3_d_call, lshrsi3_d_call): New insns.
1487 2012-09-10  Richard Sandiford  <rdsandiford@googlemail.com>
1489         * ira.c (setup_pressure_classes): Handle synonymous classes.
1491 2012-09-10  Marc Glisse  <marc.glisse@inria.fr>
1493         * tree-ssa-forwprop.c (simplify_bitfield_ref): New function.
1494         (ssa_forward_propagate_and_combine): Call it.
1496 2012-09-10  Steve Ellcey  <sellcey@mips.com>
1498         * config.gcc: Add mips*-mti-linux* target
1499         Handle with_synci like other options.
1500         * config/mips/gnu-user64.h (LINUX64_DRIVER_SELF_SPECS): New.
1501         (DRIVER_SELF_SPECS): Define in terms of LINUX64_DRIVER_SELF_SPECS.
1502         * config/mips/mips.h (MIPS_ISA_SYNCI_SPEC): New.
1503         * config/mips/mti-linux.h: New file.
1504         * config/mips/t-mti-linux: New file.
1506 2012-09-10  Marc Glisse  <marc.glisse@inria.fr>
1508         * tree-ssa-forwprop.c (simplify_permutation): Handle CONSTRUCTOR.
1510 2012-09-10  Martin Jambor  <mjambor@suse.cz>
1512         * params.def (PARAM_IPA_MAX_AGG_ITEMS): New parameter.
1513         * ipa-prop.c: Include params.h.
1514         (IPA_MAX_AFF_JF_ITEMS): Removed.
1515         (determine_known_aggregate_parts): Use param value of
1516         PARAM_IPA_MAX_AGG_ITEMS instead of IPA_MAX_AFF_JF_ITEMS.
1517         * Makefile.in (ipa-prop.o): Add PARAMS_H dependency.
1519 2012-09-10  Richard Guenther  <rguenther@suse.de>
1521         PR tree-optimization/54520
1522         * tree-ssa-threadupdate.c (def_split_header_continue_p):
1523         Properly consider sub-loops.
1525 2012-09-10  Richard Henderson  <rth@redhat.com>
1527         * config/alpha/predicates.md (small_symbolic_operand): Disallow
1528         large offsets.
1530 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
1532         PR target/54536
1533         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
1535 2012-09-10  Jan Hubicka  <jh@suse.cz>
1537         * lto-cgraph.c (compute_ltrans_boundary): Do not care about aliases.
1538         * symtab.c (symtab_make_decl_local): Remove user defined visibility
1539         when making symbol local.
1541 2012-09-09  Mark Kettenis  <kettenis@gnu.org>
1543         * config/openbsd-stdint.h (INTMAX_TYPE, UINTMAX_TYPE): Define.
1545 2012-09-09  Jan Hubicka  <jh@suse.cz>
1547         * passes.c (ipa_write_summaries_1): Set state;
1548         do not call compute_ltrans_boundary.
1549         (ipa_write_optimization_summaries): Likewise.
1550         (ipa_write_summaries): compute_ltrans_boundary here.
1551         * lto-streamer.h (lto_symtab_encoder_d): NODES are allocated in heap.
1552         (compute_ltrans_boundary): Update prototype.
1554 2012-09-09  Ulrich Drepper  <drepper@gmail.com>
1556         * config/i386/cpuid.h: Define signature_*_e[bcd]x macros for
1557         matching results of level 0 calls to __cpuid to processor
1558         manufacturers.
1559         * config/i386/driver-i386.c (vendor_signatures): Removed.
1560         (processor_signatures): Removed.
1561         (host_detect_local_cpu): Replace uses of now-removed SIG_*
1562         constants with the new signature_*_ebx constants.
1564 2012-09-08  Jan Hubicka  <jh@suse.cz>
1566         Replace cgraph_node_set and varpool_node_set by symtab_node_encoder
1567         in partitioning.
1568         * tree-pass.h (cgraph_node_set_def, varpool_node_set_def): Remove
1569         forward declaration.
1570         (lto_symtab_encoder_d): Forward declare.
1571         (ipa_write_optimization_summaries): Update.
1572         * lto-cgraph.c (lto_symtab_encoder_new): Do not initialize
1573         body, initializer and in_partition.
1574         (lto_symtab_encoder_delete): Update.
1575         (lto_symtab_encoder_encode): Update.
1576         (lto_symtab_encoder_lookup): Move inline.
1577         (lto_symtab_encoder_delete_node): New function.
1578         (lto_symtab_encoder_encode_body_p, lto_set_symtab_encoder_encode_body,
1579         lto_symtab_encoder_encode_initializer_p,
1580         lto_set_symtab_encoder_encode_initializer,
1581         lto_symtab_encoder_in_partition_p,
1582         lto_symtab_encoder_in_partition_p): Update.
1583         (compute_ltrans_boundary): Take encoder as an input.
1584         * passes.c (ipa_write_summaries_1): Update.
1585         (ipa_write_summaries_1): Update.
1586         (ipa_write_summaries): Update.
1587         (ipa_write_optimization_summaries): Update.
1588         * lto-streamer.c (print_lto_report): Report number of cgraph nodes.
1589         * lto-streamer.h (lto_stats_d): Replace num_output_cgraph_nodes by
1590         num_output_symtab_nodes.
1591         (lto_encoder_entry): New structure.
1592         (struct lto_symtab_encoder_d): Reorg.
1593         (lto_symtab_encoder_delete_node): Declare.
1594         (lto_symtab_encoder_lookup): Bring inline.
1595         (compute_ltrans_boundary): Update.
1596         (lto_symtab_encoder_size): Update.
1597         (lsei_node, lsei_cgraph_node, lsei_varpool_node): Update.
1598         (lto_symtab_encoder_deref): Update.
1600 2012-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1602         * config/pa/pa.c (hppa_rtx_costs): Update costs for large
1603         integer modes.
1605 2012-09-08  Andi Kleen  <ak@linux.intel.com>
1607         * gcc/lto/lto.c (do_whole_program_analysis): Fix last broken patch.
1609 2012-09-08  Andi Kleen  <ak@linux.intel.com>
1611         * gcc/common.opt (-fmem-report-wpa): Add
1612         * gcc/doc/invoke.texi (-fmem-report-wpa): Document.
1613         * gcc/lto/lto.c (do_whole_program_analysis): Run mem_report
1614         when mem_report_wpa is set.
1616 2012-09-07  Anthony Green  <green@moxielogic.com>
1618         * config/moxie/moxie.c (moxie_expand_prologue): Optimize prologue
1619         for functions with large static stack requirements.
1620         (moxie_expand_epilogue): Use $r12 instead of $r5 for pulling saved
1621         values off of the stack.
1623 2012-09-07  Nick Clifton  <nickc@redhat.com>
1625         * config/v850/v850.h (DBX_DEBUGGING_INFO): Define.
1626         (ASM_GENERATE_INTERNAL_LABEL): Define if not already provided.
1627         * config/v850/v850.c (compute_register_save_size): Always include
1628         the link pointer.
1629         (increment_stack): New function - emits insns to increment or
1630         decrement the stack pointer.
1631         (expand_prologue, expand_epilogue): Use it.
1632         (expand_prologue): Set the function stack size, if requested.
1633         (v850_debug_unwind_info): New function.
1634         (TARGET_DEBUG_UNWIND_INFO): Define.
1636 2012-09-07  Richard Earnshaw  <rearnsha@arm.com>
1638         PR tree-ssa/54295
1639         * tree-ssa-math-opts.c (widening_mult_conversion_strippable_p):
1640         Sign-extension of a zero-extended value can be simplified to
1641         just zero-extension.
1643 2012-09-07  Richard Guenther  <rguenther@suse.de>
1645         PR middle-end/53667
1646         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
1647         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
1648         arguments separately.
1650 2012-09-07  Steven Bosscher  <steven@gcc.gnu.org>
1652         * bitmap.c (bitmap_last_set_bit): Rewrite to return the correct bit.
1654         * graphite.c (print_global_statistics): Use EDGE_COUNT instead
1655         of VEC_length.
1656         (print_graphite_scop_statistics): Likewise.
1657         * graphite-scop-detection.c (get_bb_type): Use single_succ_p.
1658         (print_graphite_scop_statistics): Use EDGE_COUNT, not VEC_length.
1659         (canonicalize_loop_closed_ssa): Use single_pred_p.
1661         * alias.c (reg_seen): Make this an sbitmap.
1662         (record_set, init_alias_analysis): Update.
1664         * tree-ssa-coalesce.c (ssa_conflicts_dump): Fix dumping.
1666 2012-09-07  Tom de Vries  <tom@codesourcery.com>
1668         PR tree-optimization/53986
1669         * tree-vrp.c (extract_range_from_multiplicative_op_1): Allow
1670         LSHIFT_EXPR.
1671         (extract_range_from_binary_expr_1): Handle LSHIFT with constant
1672         range as shift amount.
1674 2012-09-07  Segher Boessenkool  <segher@kernel.crashing.org>
1676         * config/rs6000/aix43.h (RS6000_CALL_GLUE): Delete.
1677         * config/rs6000/aix51.h (RS6000_CALL_GLUE): Delete.
1678         * config/rs6000/aix52.h (RS6000_CALL_GLUE): Delete.
1679         * config/rs6000/aix53.h (RS6000_CALL_GLUE): Delete.
1680         * config/rs6000/aix61.h (RS6000_CALL_GLUE): Delete.
1681         * config/rs6000/freebsd64.h (RS6000_CALL_GLUE): Delete.
1682         * config/rs6000/linux64.h (RS6000_CALL_GLUE): Delete.
1683         * config/rs6000/rs6000.c (print_operand) ['.']: Delete.
1684         * config/rs6000/rs6000.h (RS6000_CALL_GLUE): Delete.
1685         * config/rs6000/rs6000.md (tls_gd_aix<TLSmode:tls_abi_suffix>):
1686         Replace %. with nop.
1687         (tls_gd_call_aix<TLSmode:tls_abi_suffix>): Ditto.
1688         (tls_ld_aix<TLSmode:tls_abi_suffix>): Ditto.
1689         (tls_ld_call_aix<TLSmode:tls_abi_suffix>): Ditto.
1690         (call_nonlocal_aix32): Ditto.
1691         (call_nonlocal_aix64): Ditto.
1692         (call_value_nonlocal_aix32): Ditto.
1693         (call_value_nonlocal_aix64): Ditto.
1695 2012-09-06  Andi Kleen  <ak@linux.intel.com>
1697         * doc/invoke.texi (-ffat-lto-objects): Clarify that gcc-ar
1698         et.al. should be used.
1700 2012-09-06  Andi Kleen  <ak@linux.intel.com>
1702         * gcc/lto-streamer.h (res_pair): Add.
1703         (lto_file_decl_data): Replace resolutions with respairs.
1704         Add max_index.
1705         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
1706         Initialize respairs.
1707         (lto_file_finalize): Set up resolutions vector lazily from respairs.
1709 2012-09-06  Lawrence Crowl  <crowl@google.com>
1711         * double-int.h (double_int::operator &=): New.
1712         (double_int::operator ^=): New.
1713         (double_int::operator |=): New.
1714         (double_int::mul_with_sign): Modify overflow parameter to bool*.
1715         (double_int::add_with_sign): New.
1716         (double_int::ule): New.
1717         (double_int::sle): New.
1718         (binary double_int::operator *): Remove parameter name.
1719         (binary double_int::operator +): Likewise.
1720         (binary double_int::operator -): Likewise.
1721         (binary double_int::operator &): Likewise.
1722         (double_int::operator |): Likewise.
1723         (double_int::operator ^): Likewise.
1724         (double_int::and_not): Likewise.
1725         (double_int::from_shwi): Tidy formatting.
1726         (double_int::from_uhwi): Likewise.
1727         (double_int::from_uhwi): Likewise.
1728         * double-int.c (double_int::mul_with_sign): Modify overflow parameter
1729         to bool*.
1730         (double_int::add_with_sign): New.
1731         (double_int::ule): New.
1732         (double_int::sle): New.
1733         * builtins.c: Modify to use the new double_int interface.
1734         * cgraph.c: Likewise.
1735         * combine.c: Likewise.
1736         * dwarf2out.c: Likewise.
1737         * emit-rtl.c: Likewise.
1738         * expmed.c: Likewise.
1739         * expr.c: Likewise.
1740         * fixed-value.c: Likewise.
1741         * fold-const.c: Likewise.
1742         * gimple-fold.c: Likewise.
1743         * gimple-ssa-strength-reduction.c: Likewise.
1744         * gimplify-rtx.c: Likewise.
1745         * ipa-prop.c: Likewise.
1746         * loop-iv.c: Likewise.
1747         * optabs.c: Likewise.
1748         * stor-layout.c: Likewise.
1749         * tree-affine.c: Likewise.
1750         * tree-cfg.c: Likewise.
1751         * tree-dfa.c: Likewise.
1752         * tree-flow-inline.h: Likewise.
1753         * tree-object-size.c: Likewise.
1754         * tree-predcom.c: Likewise.
1755         * tree-pretty-print.c: Likewise.
1756         * tree-sra.c: Likewise.
1757         * tree-ssa-address.c: Likewise.
1758         * tree-ssa-alias.c: Likewise.
1759         * tree-ssa-ccp.c: Likewise.
1760         * tree-ssa-forwprop.c: Likewise.
1761         * tree-ssa-loop-ivopts.c: Likewise.
1762         * tree-ssa-loop-niter.c: Likewise.
1763         * tree-ssa-phiopt.c: Likewise.
1764         * tree-ssa-pre.c: Likewise.
1765         * tree-ssa-sccvn: Likewise.
1766         * tree-ssa-structalias.c: Likewise.
1767         * tree-ssa.c: Likewise.
1768         * tree-switch-conversion.c: Likewise.
1769         * tree-vect-loop-manip.c: Likewise.
1770         * tree-vrp.c: Likewise.
1771         * tree.h: Likewise.
1772         * tree.c: Likewise.
1773         * varasm.c: Likewise.
1775 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
1777         * configure.ac (hle prefixes): Remove .code64 directive.
1778         * configure: Regenerated.
1780 2012-09-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1782         * config/arm/arm.c: Use CONST_INT_P, CONST_DOUBLE_P, REG_P, MEM_P,
1783         LABEL_P, JUMP_P, CALL_P, NOTE_P, BARRIER_P consistently.
1784         * config/arm/arm.h: Use REG_P, MEM_P consistently.
1785         * config/arm/arm.md: Use CONST_INT_P, REG_P, MEM_P, CONST_DOUBLE_P
1786         consistently.
1787         * config/arm/neon.md: Use REG_P consistently.
1788         * config/arm/predicates.md: Use CONST_INT_P, REG_P, MEM_P consistently.
1789         * config/arm/thumb2.md: Use CONST_INT_P, REG_P consistently.
1790         * config/arm/vec-common.md: Use REG_P consistently.
1792 2012-09-06  Richard Guenther  <rguenther@suse.de>
1794         PR tree-optimization/54498
1795         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
1796         abort when reaching an already visited region.
1797         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
1798         (get_continuation_for_phi_1): Likewise.
1799         (walk_non_aliased_vuses): When we translated the reference,
1800         abort when we re-visit a region.
1801         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
1803 2012-09-06  David Edelsohn  <dje.gcc@gmail.com>
1805         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Add TLS
1806         section.
1807         * config/rs6000/rs6000.c (rs6000_debug_address_cost): Add new
1808         arguments to TARGET_ADDRESS_COST call.
1810 2012-09-06  Richard Guenther  <rguenther@suse.de>
1812         * tree.h (MOVE_NONTEMPORAL): Remove.
1813         * tree-pretty-print.c (dump_generic_node): Remove
1814         MOVE_NONTEMPORAL handling.
1815         * expr.c (expand_expr_real_1): Likewise.
1817 2012-09-06  Richard Guenther  <rguenther@suse.de>
1819         * passes.c (execute_function_todo): Call compute_may_aliases
1820         only if flag_tree_pta is set.
1822 2012-09-06  Andrew Pinski  <apinski@cavium.com>
1824         PR tree-opt/54494
1825         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
1827 2012-09-06  Jakub Jelinek  <jakub@redhat.com>
1829         PR rtl-optimization/54455
1830         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
1831         bb ends up with asm goto referencing bb's label.
1833 2012-09-06  Chen Liqin  <liqin.gcc@gmail.com>
1835         * config/score/score.c: Remove TARGET_LEGITIMIZE_ADDRESS define and
1836         score_legitimize_address function, use compiler default code instead.
1838 2012-09-05  Jan Hubicka  <jh@suse.cz>
1840         * ipa-inline.c (want_inline_small_function_p): Use
1841         INLINE_HINT_loop_iterations hint.
1843 2012-09-05  Andrew Pinski  <apinski@cavium.com>
1845         * optabs.c (emit_conditional_add): Correct comment about the arguments.
1846         Remove code which might swap op2 and op3 since they cannot be swapped.
1847         * doc/md.texi (add@var{mode}cc): Fix document about how the arguments
1848         are used.
1850 2012-09-05  Oleg Endo  <olegendo@gcc.gnu.org>
1852         * hooks.c (hook_int_rtx_mode_as_bool_0): New function.
1853         * hooks.h (hook_int_rtx_mode_as_bool_0): Declare it.
1854         * output.h (default_address_cost): Add machine_mode and address space
1855         arguments.
1856         * target.def (address_cost): Likewise.
1857         * rtlanal.c (address_cost): Pass mode and address space to target hook.
1858         (default_address_cost): Add unnamed machine_mode and address space
1859         arguments.
1860         * doc/tm.texi: Regenerate.
1861         * config/alpha/alpha.c (TARGET_ADDRESS_COST): Use
1862         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
1863         * config/arm/arm.c (arm_address_cost): Add machine_mode and address
1864         space arguments.
1865         * config/avr/avr.c (avr_address_cost): Likewise.
1866         * config/bfin/bfin.c (bfin_address_cost): Likewise.
1867         * config/cr16/cr16.c (cr16_address_cost): Likewise.
1868         * config/cris/cris.c (cris_address_cost): Likewise.
1869         * config/epiphany/epiphany.c (epiphany_address_cost): Likewise.
1870         * config/i386/i386.c (ix86_address_cost): Likewise.
1871         * config/ia64/ia64.c (TARGET_ADDRESS_COST): Use
1872         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
1873         * config/iq2000/iq2000.c (iq2000_address_cost): Add machine_mode and
1874         address space arguments.  Pass them on in recursive invocation.
1875         * config/lm32/lm32.c (TARGET_ADDRESS_COST): Use
1876         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
1877         * config/m32c/m32c.c (m32c_address_cost): Add machine_mode and address
1878         space arguments.
1879         * config/m32r/m32r.c (TARGET_ADDRESS_COST): Use
1880         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
1881         * config/mcore/mcore.c (TARGET_ADDRESS_COST): Likewise.
1882         * config/mep/mep.c (mep_address_cost): Add machine_mode and address
1883         space arguments.
1884         * config/microblaze/microblaze.c (microblaze_address_cost): Likewise.
1885         * config/mips/mips.c (mips_address_cost): Likewise.
1886         * config/mmix/mmix.c (TARGET_ADDRESS_COST): Use
1887         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
1888         * config/mn10300/mn10300.c (mn10300_address_cost): Add machine_mode and
1889         address space arguments.
1890         (mn10300_rtx_costs): Pass GET_MODE (x) and MEM_ADDR_SPACE (x) to
1891         mn10300_address_cost.
1892         * config/pa/pa.c (hppa_address_cost): Add machine_mode and address
1893         space arguments.
1894         * config/rs6000/rs6000.c (rs6000_debug_address_cost): Likewise.
1895         (TARGET_ADDRESS_COST): Use hook_int_rtx_mode_as_bool_0 instead of
1896         hook_int_rtx_bool_0.
1897         * config/rx/rx.c (rx_address_cost): Add machine_mode and address
1898         space arguments.
1899         * config/s390/s390.c (s390_address_cost): Likewise.
1900         * config/score/score-protos.h (score_address_cost): Likewise.
1901         * config/score/score.c (score_address_cost): Likewise.
1902         * config/sh/sh.c (sh_address_cost): Likewise.
1903         * config/sparc/sparc.c (TARGET_ADDRESS_COST): Use
1904         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
1905         * config/spu/spu.c (TARGET_ADDRESS_COST): Likewise.
1906         * config/stormy16/stormy16.c (xstormy16_address_cost): Add machine_mode
1907         and address space arguments.
1908         * config/v850/v850.c (TARGET_ADDRESS_COST): Use
1909         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
1910         * config/vax/vax.c (vax_address_cost): Add machine_mode and address
1911         space arguments.
1912         * config/xtensa/xtensa (TARGET_ADDRESS_COST): Use
1913         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
1915 2012-09-05  Diego Novillo  <dnovillo@google.com>
1917         PR bootstrap/54484
1918         * vec.h (vec_t::lower_bound): Fix spelling of LESSTHAN argument.
1920 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
1922         PR middle-end/54486
1923         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
1924         build_int_cst with size_type_node instead of size_int.
1926 2012-09-05  Uros Bizjak  <ubizjak@gmail.com>
1928         * config/i386/sse.md (<sse4_1>_blendv<ssemodesuffix><avxsizesuffix>):
1929         Use register_operand instead of reg_not_xmm0_operand{,_maybe_avx}.
1930         Use nonimmediate_operand instead of
1931         nonimm_not_xmm0_operand{,_maybe_avx}.
1932         (<sse4_1_avx2>_pblendvb): Ditto.
1933         (sse4_2_pcmpestr): Ditto.
1934         (*sse4_2_pcmpestr_unaligned): Ditto.
1935         (sse4_2_pcmpistr): Ditto.
1936         (*sse4_2_pcmpistr_unaligned): Ditto.
1937         * config/i386/predicates.md (reg_not_xmm0_operand): Remove predicate.
1938         (nonimm_not_xmm0_operand): Ditto.
1939         (nonimm_not_xmm0_operand_maybe_avx): Ditto.
1940         (nonimm_not_xmm0_operand_maybe_avx): Ditto.
1941         * config/i386/i386.md (rdpmc): Do not force operand 1 into ecx.
1943 2012-09-05  Eric Botcazou  <ebotcazou@adacore.com>
1945         * bb-reorder.c: Clarify a few points in the head comment and fix
1946         long lines in other comments.
1947         (find_traces): Fix long line.
1948         (find_traces_1_round): Likewise.
1949         (better_edge_p): Likewise.
1950         (connect_traces): Likewise.
1951         (duplicate_computed_gotos): Likewise.
1952         (find_rarely_executed_basic_blocks_and_cr): Remove trailing spaces.
1953         (fix_up_fall_thru_edges): Fix formatting.
1955 2012-09-05  Richard Guenther  <rguenther@suse.de>
1957         PR tree-optimization/46590
1958         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Do not
1959         update SSA form here.
1960         (canonicalize_induction_variables): Assert we do not need to
1961         update SSA form.
1962         (tree_unroll_loops_completely): Update SSA form here.
1963         * tree-ssa-loop-manip.c (gimple_duplicate_loop_to_header_edge):
1964         Do not verify loop-closed SSA form if SSA form is not up-to-date.
1966 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
1968         PR target/54461
1969         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
1970         not configured --with-avrlibc=no.
1971         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if not configured
1972         --with-avrlibc=no.
1973         * config/avr/avrlibc.h: New file.
1974         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
1975         not configured --with-avrlibc=no.
1976         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
1978 2012-09-04  Teresa Johnson  <tejohnson@google.com>
1980         * gcov-io.c (gcov_write_summary): Write out non-zero histogram
1981         entries to function summary along with an occupancy bit vector.
1982         (gcov_read_summary): Read in the histogram entries.
1983         (gcov_histo_index): New function.
1984         (void gcov_histogram_merge): Ditto.
1985         * gcov-io.h (gcov_type_unsigned): New type.
1986         (struct gcov_bucket_type): Ditto.
1987         (struct gcov_ctr_summary): Include histogram.
1988         (GCOV_TAG_SUMMARY_LENGTH): Update to include histogram entries.
1989         (GCOV_HISTOGRAM_SIZE): New macro.
1990         (GCOV_HISTOGRAM_BITVECTOR_SIZE): Ditto.
1991         * profile.c (NUM_GCOV_WORKING_SETS): Ditto.
1992         (gcov_working_sets): New global variable.
1993         (compute_working_sets): New function.
1994         (find_working_set): Ditto.
1995         (get_exec_counts): Invoke compute_working_sets.
1996         * coverage.c (read_counts_file): Merge histograms, and
1997         fix bug with accessing summary info for non-summable counters.
1998         * basic-block.h (gcov_type_unsigned): New type.
1999         (struct gcov_working_set_info): Ditto.
2000         (find_working_set): Declare.
2001         * gcov-dump.c (tag_summary): Dump out histogram.
2003 2012-09-04  Diego Novillo  <dnovillo@google.com>
2005         PR bootstrap/54484
2006         * vec.h (vec_t::embedded_init): Move default argument value
2007         to function declaration.
2009 2012-09-04  Eric Botcazou  <ebotcazou@adacore.com>
2011         * bb-reorder.c (gate_handle_reorder_blocks): Move around.
2012         (rest_of_handle_reorder_blocks): Likewise.
2013         (pass_reorder_blocks): Likewise.
2014         (gate_handle_partition_blocks): Likewise.
2016 2012-09-04  Eric Botcazou  <ebotcazou@adacore.com>
2018         PR rtl-optimization/54456
2019         * sched-rgn.c (gate_handle_sched): Return 1 only if optimize > 0.
2021 2012-09-04  Diego Novillo  <dnovillo@google.com>
2023         PR bootstrap/54478
2024         * vec.h (vec_t::alloc): Remove explicit type specification
2025         in call to reserve.
2026         (vec_t::copy): Likewise.
2027         (vec_t::reserve): Likewise.
2028         (vec_t::reserve_exact): Likewise.
2029         (vec_t::safe_splice): Likewise.
2030         (vec_t::safe_push): Likewise.
2031         (vec_t::safe_grow): Likewise.
2032         (vec_t::safe_grow_cleared): Likewise.
2033         (vec_t::safe_insert): Likewise.
2035 2012-09-04  Richard Henderson  <rth@redhat.com>
2037         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
2039 2012-09-04  Richard Guenther  <rguenther@suse.de>
2041         * tree-ssa-pre.c (value_expressions): Make it a vector of
2042         bitmaps containing expression IDs.
2043         (add_to_value): Adjust.
2044         (sorted_array_from_bitmap_set): Likewise.
2045         (bitmap_set_replace_value): Likewise.
2046         (print_value_expressions): Likewise.
2047         (get_constant_for_value_id): Likewise.
2048         (get_representative_for): Likewise.
2049         (phi_translate_1): Likewise.
2050         (bitmap_find_leader): Likewise.
2051         (find_or_generate_expression): Likewise.
2052         (do_regular_insertion): Likewise.
2053         (init_pre): Likewise.
2054         (fini_pre): Likewise.
2056 2012-09-04  Diego Novillo  <dnovillo@google.com>
2058         PR bootstrap/54479
2059         * vec.h (vec_t::copy): Add cast in call to reserve_exact.
2061 2012-09-04  Richard Guenther  <rguenther@suse.de>
2063         * tree-ssa-pre.c (add_to_exp_gen): Adjust.
2064         (make_values_for_phi): Do not add to PHI_GEN for FRE.
2065         (compute_avail): Stop processing after adding all defs to
2066         AVAIL_OUT for FRE.
2067         (init_pre): Do not allocate not needed bitmap sets for FRE.
2069 2012-09-04  Diego Novillo  <dnovillo@google.com>
2071         Rewrite VEC_* functions as member functions of vec_t.
2073         * vec.h: Update documentation.
2074         (ALONE_VEC_CHECK_INFO): Define.
2075         (ALONE_VEC_CHECK_DECL): Define.
2076         (ALONE_VEC_CHECK_PASS): Define.
2077         (struct vec_prefix): Rename field NUM to NUM_.
2078         Rename field ALLOC to ALLOC_.
2079         Update all users.
2080         (struct vec_t): Rename field PREFIX to PREFIX_.
2081         Rename field VEC to VEC_.
2082         Update all users.
2083         (vec_t::length): Rename from VEC_length_1.  Update all users.
2084         (vec_t::empty): Rename from VEC_empty_1.  Update all users.
2085         (vec_t::address): Rename from VEC_address_1.  Update all users.
2086         (vec_address): New.
2087         (vec_t::last): Rename from VEC_last_1.  Update all users.
2088         (vec_t::operator[]): Rename from VEC_index_1.  Update all users.
2089         (vec_t::iterate): Rename from VEC_iterate_1.  Update all users.
2090         (vec_t::embedded_size): Rename from VEC_embedded_size_1.
2091         Update all users.
2092         (vec_t::embedded_init): Rename from VEC_embedded_init_1.
2093         Update all users.
2094         (vec_t::alloc): Rename from VEC_alloc_1.  Update all users.
2095         (vec_t::free): Rename from VEC_free_1.  Update all users.
2096         (vec_t::copy): Rename from VEC_copy_1.  Update all users.
2097         (vec_t::space): Rename from VEC_space_1.  Update all users.
2098         (vec_t::reserve): Rename from VEC_reserve_1.  Update all users.
2099         (vec_t::reserve_exact): Rename from VEC_reserve_exact_1.
2100         Update all users.
2101         (vec_t::splice): Rename from VEC_splice_1.  Update all users.
2102         (vec_t::safe_splice): Rename from VEC_safe_splice_1.  Update all users.
2103         (vec_t::quick_push): Rename from VEC_quick_push_1.  Update all users.
2104         (vec_t::safe_push): Rename from VEC_safe_push_1.  Update all users.
2105         (vec_t::pop): Rename from VEC_pop_1.  Update all users.
2106         (vec_t::truncate): Rename from VEC_truncate_1.  Update all users.
2107         (vec_t::safe_grow): Rename from VEC_safe_grow_1.  Update all users.
2108         (vec_t::safe_grow_cleared): Rename from VEC_safe_grow_cleared_1.
2109         Update all users.
2110         (vec_t::replace): Rename from VEC_replace_1.  Update all users.
2111         (vec_t::quick_insert): Rename from VEC_quick_insert_1.
2112         Update all users.
2113         (vec_t::safe_insert): Rename from VEC_safe_insert_1.  Update all users.
2114         (vec_t::ordered_remove): Rename from VEC_ordered_remove_1.
2115         Update all users.
2116         (vec_t::unordered_remove): Rename from VEC_unordered_remove_1.
2117         Update all users.
2118         (vec_t::block_remove): Rename from VEC_block_remove_1. Update all users.
2119         (vec_t::lower_bound): Rename from VEC_lower_bound_1. Update all users.
2121 2012-09-04  Steven Bosscher  <steven@gcc.gnu.org>
2123         * gimple.h (gimple_build_switch): Remove.
2124         (gimple_build_switch_vec): Promote to the new gimple_build_switch.
2125         (gimple_switch_default_label): Assert the default case label is
2126         really a default case label.
2127         (gimple_switch_set_default_label): Likewise.
2128         * gimple.c (gimple_build_switch_nlabels): Make sure a default label
2129         is passed in, and simplify accordingly.
2130         (gimple_build_switch): Removed.
2131         (gimple_build_switch_vec): Rename to gimple_build_switch.
2132         * gimplify.c (gimplify_switch_expr): Update gimple_build_switch use.
2133         * gimple-pretty-print.c (dump_gimple_switch): Do not accept a NULL
2134         case label.
2135         * stmt.c (expand_case): Simplify using the fact that every GIMPLE
2136         switch must have a default case.
2137         * tree-cfg.c (group_case_labels_stmt): Likewise.
2138         (verify_gimple_switch): Use gimple_switch_label in verifier to get
2139         the label at index 0, and verify that it is a valid default case.
2140         * except.c (sjlj_emit_dispatch_table): Rewrite construction of the
2141         switch for dispatching.
2142         * tree-eh.c (lower_try_finally_switch): Update gimple_build_switch use.
2143         (lower_eh_dispatch): Likewise.
2144         * tree-vrp.c (execute_vrp): Use gimple_switch_label to get the case
2145         label at index 0 before turning it into a default case label.
2146         * omp-low.c (expand_omp_sections): Update gimple_build_switch use.
2147         * tree-switch-conversion.c (emit_case_bit_tests): Get the default case
2148         label using gimple_switch_default_label.
2149         (collect_switch_conv_info): Likewise.
2150         (process_switch): Likewise.
2151         * doc/gimple.texi: Update documentation of gimple_build_switch.
2153 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
2155         PR target/54476
2156         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with
2157         SImode.
2159 2012-09-04  Bin Cheng  <bin.cheng@arm.com>
2161         PR target/45070
2162         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
2163         of size less than 4 bytes by using macro ARM_NUM_INTS.
2164         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
2166 2012-09-04  Richard Guenther  <rguenther@suse.de>
2168         PR tree-optimization/54458
2169         * tree-ssa-threadupdate.c (thread_through_loop_header): If we
2170         turn the loop into one with multiple latches mark it so.
2172 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
2174         PR target/54220
2175         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
2176         define to...
2177         (avr_allocate_stack_slots_for_args): ...this new static function.
2179 2012-09-04  Christophe Lyon  <christophe.lyon@linaro.org>
2181         * config/arm/arm.c (arm_expand_builtin): Replace gen_rtx_CONST_INT
2182         by GEN_INT.
2183         (arm_emit_coreregs_64bit_shift): Likewise.
2185 2012-09-04  Christophe Lyon  <christophe.lyon@linaro.org>
2187         * config/arm/arm.c (arm_evpc_neon_vext): New function.
2188         (arm_expand_vec_perm_const_1): Add call to arm_evpc_neon_vext.
2190 2012-09-04  Oleg Endo  <olegendo@gcc.gnu.org>
2192         PR target/51244
2193         * config/sh/sh.c (prepare_cbranch_operands): Pull out comparison
2194         canonicalization code into...
2195         * (sh_canonicalize_comparison): This new function.
2196         * config/sh/sh-protos.h: Declare it.
2197         * config/sh/sh.h: Use it in new macro CANONICALIZE_COMPARISON.
2198         * config/sh/sh.md (cbranchsi4): Remove TARGET_CBRANCHDI4 check and
2199         always invoke expand_cbranchsi4.
2201 2012-09-03  Andi Kleen  <ak@linux.intel.com>
2203         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Initialize
2204         addr_offset always.
2206 2012-09-03  Andrew Pinski  <apinski@cavium.com>
2208         PR tree-opt/53395
2209         * tree-if-conv.c (constant_or_ssa_name): New function.
2210         (fold_build_cond_expr): New function.
2211         (predicate_scalar_phi): Use fold_build_cond_expr instead of build3.
2212         (predicate_mem_writes): Likewise.
2214 2012-09-03  Marc Glisse  <marc.glisse@inria.fr>
2216         * fold-const.c (fold_ternary_loc): Constant-propagate after
2217         removing dead operands.
2219 2012-09-03  Michael Matz  <matz@suse.de>
2221         PR tree-optimization/46590
2222         * tree-cfg.c (gimple_duplicate_sese_region): Don't update
2223         SSA web here ...
2224         * tree-ssa-loop-ch.c (copy_loop_headers): ... but here.
2226 2012-09-03  Sandra Loosemore  <sandra@codesourcery.com>
2228         * doc/invoke.texi: Fix numerous typos and punctuation/grammatical
2229         errors throughout the file.  Re-word some awkward sentences and
2230         paragraphs.
2232 2012-09-03  Richard Guenther  <rguenther@suse.de>
2234         PR tree-optimization/54362
2235         * tree-ssa-structalias.c (find_func_aliases): Handle COND_EXPR.
2237 2012-09-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2239         * config/s390/s390.c (s390_loadrelative_operand_p): New function.
2240         (s390_check_qrst_address, print_operand_address): Use
2241         s390_loadrelative_operand_p instead of s390_symref_operand_p.
2242         (s390_check_symref_alignment): Accept pointer size alignment for
2243         GOT slots.
2244         (legitimize_pic_address): Use load relative on z10 or later.
2246 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
2248         PR debug/53923
2249         * valtrack.c (dead_debug_insert_temp): Drop non-reg uses
2250         from the chain.
2252 2012-09-03  Joseph Myers  <joseph@codesourcery.com>
2254         * common.opt (--no-sysroot-suffix): New driver option.
2255         * doc/invoke.texi (--no-sysroot-suffix): Document.
2256         * gcc.c (driver_handle_option): Handle --no-sysroot-suffix as not
2257         needing spec processing.
2258         (main): Do not process sysroot suffixes if no_sysroot_suffix.
2260 2012-09-02  Oleg Endo  <olegendo@gcc.gnu.org>
2262         PR target/33135
2263         * common/config/sh/sh-common.c: Update copyright years.
2264         (sh_option_init_struct): Delete.
2265         (TARGET_OPTION_INIT_STRUCT): Likewise.
2267 2012-09-02  Oleg Endo  <olegendo@gcc.gnu.org>
2269         PR target/54418
2270         * config/sh/sh.md (cmpgeusi_t): Remove N alternative.
2271         Check operands[1] in split condition instead of operands[0].
2272         Add comments.
2274 2012-09-02  Mark Kettenis  <kettenis@openbsd.org>
2276         * config.gcc (x86_64-*-openbsd*): New target.
2277         * config.host (*-*-openbsd*): New target.
2278         * config/openbsd.h (TARGET_C99_FUNCTIONS): Define.
2279         * config/i386/openbsdelf.h: Remove some superfluous defines and
2280         group things together in a more logical fashion.
2281         (DBX_REGISTER_NUMBER): Provide a
2282         definition that works on both 32-bit and 64-bit targets.
2283         (WCHAR_TYPE_SIZE): Hardcode as 32.
2284         (NO_DOLLAR_IN_LABEL): Remove undef.
2285         (TARGET_DEFAULT): Remove.
2286         (SET_ASM_OP): Remove.
2287         (DEFAULT_PCC_STRUCT_RETURN): Undef first to prevent warning.
2288         (ASM_OUTPUT_MAX_SKIP_ALIGN): Synch with x86-64.h
2289         (DWARF2_UNWIND_INFO): Remove define.
2290         (HAVE_ENABLE_EXECUTE_STACK): Define.
2291         * config/host-openbsd.c: New file.
2292         * config/t-openbsd (USER_H): Add EXTRA_HEADERS.
2293         * config/x-openbsd: New file.
2295 2012-09-02  Oleg Endo  <olegendo@gcc.gnu.org>
2297         * config/sh/sh.md (*extend<mode>si2_compact_mem_disp): Pass iterated
2298         mode to sh_legitimate_index_p instead of QImode.
2300 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
2302         PR rtl-optimization/54369
2303         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
2304         calling dbr_schedule.
2305         * config/sparc/sparc.c (sparc_reorg): Likewise.
2307 2012-09-01  Jakub Jelinek  <jakub@redhat.com>
2309         PR target/54436
2310         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
2311         operands[1] is CONST_INT_P, convert it to QImode before printing.
2313 2012-09-01  Andrew Pinski  <apinski@cavium.com>
2315         * simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>):
2316         A truncate of a memory is just loading the low part of the memory.
2318 2012-09-01  Uros Bizjak  <ubizjak@gmail.com>
2320         PR target/46829
2321         PR target/46843
2322         * config/i386/i386.c (ix86_legitimate_combined_insn): New function.
2323         (TARGET_LEGITIMATE_COMBINED_INSN): New macro.
2325 2012-09-01  Uros Bizjak  <ubizjak@gmail.com>
2327         * target.def (legitimate_combined_insn): New target hook.
2328         * doc/tm.texi.in (TARGET_LEGITIMATE_COMBINED_INSN): New hook.
2329         * doc/tm.texi: Regenerated.
2330         * combine.c (recog_for_combine): Call targetm.legitimate_combined_insn
2331         to allow targets to reject combined insn.
2332         * hooks.h (hook_bool_rtx_true): New.
2333         * hooks.c (hook_bool_rtx_true): Ditto.
2335 2012-08-31  Martin Jambor  <mjambor@suse.cz>
2337         * ipa-inline-analysis.c (estimate_function_body_sizes): Allocate
2338         nonconstant_names after calculate_dominance_info and
2339         loop_optimizer_init.
2341 2012-08-31  Greta Yorsh  <Greta.Yorsh@arm.com>
2343         * config/arm/arm.c (arm_expand_epilogue): Remove unused variable
2344         floats_from_frame.
2346 2012-08-31  Martin Jambor  <mjambor@suse.cz>
2348         PR middle-end/54409
2349         * ipa-inline-analysis.c (remap_predicate): Fix the offset_map
2350         checking condition.
2352 2012-08-31  Martin Jambor  <mjambor@suse.cz>
2354         * ipa-inline-analysis.c (phi_result_unknown_predicate): New function.
2355         (predicate_for_phi_result): Likewise.
2356         (estimate_function_body_sizes): Use the above two functions.
2358 2012-08-31  Martin Jambor  <mjambor@suse.cz>
2360         PR middle-end/54394
2361         * ipa-inline-analysis.c (estimate_function_body_sizes): Compute
2362         dominance info and loops whenever optimizing.
2364 2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2365             Richard Earnshaw  <richard.earnshaw@arm.com>
2367         PR target/54252
2368         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
2369         element size. Use elem_type from the formal parameter. New parameter
2370         fcode.
2371         (neon_expand_args): Adjust call to neon_dereference_pointer.
2373 2012-08-29  Steven Bosscher  <steven@gcc.gnu.org>
2375         * cfg.c (dump_bb_info): Print a newline if there were no edges to dump.
2377 2012-08-29  Chung-Lin Tang  <cltang@codesourcery.com>
2379         Revert:
2380         * config/mips/t-linux64 (MULTILIB_OSDIRNAMES): Change to use
2381         mapping style, add ../lib/mips16.
2382         (MULTILIB_OPTIONS,MULTILIB_DIRNAMES): Add mips16.
2383         (MULTILIB_EXCLUSIONS): Exclude mips16 when not -mabi=32.
2385 2012-08-29  Richard Sandiford  <rdsandiford@googlemail.com>
2387         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_synci
2388         if TARGET_SYNCI.
2390 2012-08-29  Oleg Endo  <olegendo@gcc.gnu.org>
2392         * config/sh/sh.opt (menable-tas): Rename to mtas.
2393         * doc/invoke.texi (SH options): Likewise.
2394         * config/sh/sync.md: Update comments.
2396 2012-08-29  Oleg Endo  <olegendo@gcc.gnu.org>
2398         * config/sh/iterators.md: New file.
2399         * config/sh/sync.md (I124, I12, i124suffix): Delete.  Replace usage
2400         with new iterators QIHISI, QIHI, bw, bwl respectively throughout
2401         the file.
2402         * config/sh/sh.md: Include new file iterators.md.
2403         (zero_extendhisi2, zero_extendqisi2): Fold into zero_extend<mode>si2.
2404         (*zero_extendhisi2_compact, *zero_extendqisi2_compact): Fold into
2405         *zero_extend<mode>si2_compact.
2406         (*zero_extendqisi2_disp_mem, zero_extendhisi2_disp_mem): Fold into
2407         *zero_extend<mode>si2_disp_mem.
2408         (extendhisi2, extendqisi2): Fold into extend<mode>si2.
2409         (*extendqisi2_compact_reg, *extendhisi2_compact_reg): Fold into
2410         *extend<mode>si2_compact_reg.
2411         (*extendqisi2_compact_mem_disp, *extendhisi2_compact_mem_disp): Fold
2412         into *extend<mode>si2_compact_mem_disp.
2413         (*extendqisi2_compact_snd, *extendhisi2_compact_snd): Fold into
2414         *extend<mode>si2_compact_snd.
2415         (*movsi_index_disp, *movhi_index_disp): Fold with iterators and rename
2416         to *movsi_index_disp_load, *movhi_index_disp_load,
2417         *mov<mode>_index_disp_store.
2418         (*movqi_reg_reg, *movhi_reg_reg): Fold into *mov<mode>_reg_reg.
2419         (*movqi_store_mem_disp04, *movhi_store_mem_disp05): Fold into
2420         *mov<mode>_store_mem_disp04.
2421         (*movqi_store_mem_disp12, *movhi_store_mem_disp13): Fold into
2422         *mov<mode>_store_mem_disp12.
2423         (*movqi_load_mem_disp, *movhi_load_mem_disp): Fold into
2424         *mov<mode>_load_mem_disp04 and *mov<mode>_load_mem_disp12.
2426 2012-08-29  Martin Jambor  <mjambor@suse.cz>
2428         * ipa-inline.h (estimate_edge_hints): Call do_estimate_edge_hints, not
2429         do_estimate_edge_time.
2431 2012-08-29  Chung-Lin Tang  <cltang@codesourcery.com>
2433         * config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Add nomips16 asm
2434         directives, remove #ifndef __mips16 guards.
2435         * config/mips/t-linux64 (MULTILIB_OSDIRNAMES): Change to use
2436         mapping style, add ../lib/mips16.
2437         (MULTILIB_OPTIONS,MULTILIB_DIRNAMES): Add mips16.
2438         (MULTILIB_EXCLUSIONS): Exclude mips16 when not -mabi=32.
2440 2012-08-28  Walter Lee  <walt@tilera.com>
2441         * confg/tilegx/tilegx.md: Fix code style.
2442         (*zero_extendsidi_truncdisi): Fix typo.
2443         * config/tilegx/tilegx.c: Fix code style.
2444         (tilegx_function_profiler): Fix typo.
2446 2012-08-28  Walter Lee  <walt@tilera.com>
2448         * doc/invoke.texi: Document -mcmodel=small, -mcmodel=large.
2449         * config/tilegx/tilegx.h: Include config/tilegx/tilegx-opts.h.
2450         (CRT_CALL_STATIC_FUNCTION): Define.
2451         * config/tilegx/predicates.md (const_last_symbolic_operand):
2452         Handle UNSPEC_HW2_LAST_PCREL, UNSPEC_HW1_LAST_PLT_PCREL, and
2453         UNSPEC_HW2_LAST_PLT_PCREL.
2454         (const_symbolic_operand): Handle UNSPEC_HW1_PCREL,
2455         UNSPEC_HW0_PLT_PCREL, and UNSPEC_HW1_PLT_PCREL.
2456         * config/tilegx/tilegx.md (UNSPEC_MOV_LARGE_PCREL_STEP4): Define,
2457         and renumber the constants that follow.
2458         (UNSPEC_HW1_PCREL): Ditto.
2459         (UNSPEC_HW2_LAST_PCREL): Ditto.
2460         (UNSPEC_HW0_PLT_PCREL): Define.
2461         (UNSPEC_HW1_PLT_PCREL): Define.
2462         (UNSPEC_HW1_LAST_PLT_PCREL): Define.
2463         (UNSPEC_HW2_LAST_PLT_PCREL): Define.
2464         (mov_large_pcrel_step1): Define.
2465         (mov_large_pcrel_step2): Define.
2466         (mov_large_pcrel_step3): Define.
2467         (mov_large_pcrel_step4): Define.
2468         (mov_plt_pcrel_step1): Define.
2469         (mov_plt_pcrel_step2): Define.
2470         (mov_plt_pcrel_step3): Define.
2471         (mov_plt_pcrel_step1_32bit): Define.
2472         (mov_plt_pcrel_step2_32bit): Define.
2473         (call): Handle tilegx_cmodel == CM_LARGE, CM_LARGE_PIC.
2474         (call_value): Ditto.
2475         * config/tilegx/tilegx.opt: Include config/tilegx/tilegx-opts.h.
2476         (mcmodel): New option.
2477         (enum cmodel): Define.
2478         (CM_SMALL): Define.
2479         (CM_LARGE): Define.
2480         * config/tilegx/tilegx-opts.h: New file.
2481         * config/tilegx/tilegx-protos.h (tilegx_compute_pcrel_address):
2482         Declare.
2483         (tilegx_compute_pcrel_plt_address): Declare.
2484         * config/tilegx/tilegx.c (tilegx_option_override): Handle
2485         tilegx_cmodel.
2486         (tilegx_function_ok_for_sibcall): Ditto.
2487         (compute_pcrel_address): Rename to tilegx_compute_pcrel_address,
2488         and don't declare static.  Handle tilegx_cmodel.
2489         (tilegx_compute_pcrel_plt_address): Define.
2490         (tilegx_legitimize_pic_address): Rename calls to
2491         compute_pcrel_address.
2492         (tilegx_delegitimize_address): Handle UNSPEC_HW1_PCREL,
2493         UNSPEC_HW2_LAST_PCREL, UNSPEC_HW0_PLT_PCREL, UNSPEC_HW1_PLT_PCREL,
2494         UNSPEC_HW1_LAST_PLT_PCREL, UNSPEC_HW2_LAST_PLT_PCREL.
2495         (load_pic_register): Rename call to compute_pcrel_address.
2496         (tilegx_print_operand): Handle UNSPEC_HW1_PCREL,
2497         UNSPEC_HW2_LAST_PCREL, UNSPEC_HW0_PLT_PCREL, UNSPEC_HW1_PLT_PCREL,
2498         UNSPEC_HW1_LAST_PLT_PCREL, UNSPEC_HW2_LAST_PLT_PCREL.
2500 2012-08-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
2502         * sched-deps.c (add_dependence_list_and_free): Simplify.
2503         (flush_pending_list_and_free): Fix a hack that was fixing a hack.  Free
2504         lists when add_dependence_list_and_free doesn't free them.
2506 2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
2508         PR target/46254
2509         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
2510         true for TARGET_64BIT or !flag_pic.
2511         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
2512         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
2513         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
2514         Add insn constraint.  Conditionally emit xchg asm insns.
2515         (atomic_compare_and_swap<mode>): Update calls.  Check only
2516         cmpxchg8b_pic_memory_operand in memory address fixup.
2517         (DCASMODE): Remove.
2518         (CASHMODE): Rename from DCASHMODE.
2519         (doublemodesuffix): Update modes.
2520         (regprefix): New mode attribute.
2522         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
2523         <UNSPECV_CMPXCHG>: New constant.
2524         (atomic_compare_and_swap<mode>_1): Rename from
2525         atomic_compare_and_swap_single<mode>.  Update calls and
2526         unspec_volatile constants.
2527         (atomic_compare_and_swap<mode>_doubleword): Rename from
2528         atomic_compare_and_swap_double<mode>.  Update calls and
2529         unspec_volatile constants.
2531 2012-08-27  Walter Lee  <walt@tilera.com>
2533         * doc/md.texi (TILE-Gx): Fix typo.
2535 2012-08-27  Walter Lee  <walt@tilera.com>
2537         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
2538         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
2540 2012-08-27  Walter Lee  <walt@tilera.com>
2542         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
2543         (insn_bfins): Delete.
2545 2012-08-27  Walter Lee  <walt@tilera.com>
2547         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
2548         atomic_exchange_bare<mode>,
2549         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
2550         * config/tilegx/tilegx-generic.md (X1_remote): New
2551         insn_reservation.
2552         * config/tilegx/tilegx.md (type): Add X1_remove.
2553         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
2554         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
2555         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
2556         X1_remote.
2558 2012-08-27  Andreas Schwab  <schwab@linux-m68k.org>
2560         * gdbinit.in: Fix syntax of skip command.
2562 2012-08-27  Richard Sandiford  <rdsandiford@googlemail.com>
2564         * config/mips/mips.c (mips_pic_call_symbol_from_set): Check for
2565         SYMBOL_REF SET_SRCs.
2567 2012-08-27  Richard Sandiford  <rdsandiford@googlemail.com>
2569         * config/mips/mips.c (vr4130_align_insns): Don't simulate
2570         ghost instructions.  Assert that the required instructions exist.
2572 2012-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
2574         * config/mips/mips.h (AVOID_CCMODE_COPIES): Update rationale for
2575         definition.
2576         * config/mips/mips.c (machine_function): Add next_fcc.
2577         (mips_output_move): Remove handling of fcc moves.
2578         (mips_allocate_fcc): New function.
2579         (mips_emit_compare, mips_expand_vcondv2sf): Use it.
2580         (mips_hard_regno_mode_ok_p): Restrict CCmode to ST registers.
2581         Remove special case for CCmode reloads.
2582         (mips_expand_builtin_compare_1): Use mips_allocate_fcc and treat
2583         the result a fixed operand.
2584         * config/mips/mips.md (move_type): Remove lui_movf.
2585         (type, length): Remove references to it.
2586         (movcc, reload_incc, reload_outcc): Delete.
2588 2012-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
2590         * config/mips/mips.c (mips_has_long_branch_p): New function,
2591         split out from...
2592         (mips_expand_ghost_gp_insns): ...here.  Look inside sequences.
2594 2012-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
2596         * config/mips/mips.c (r10k_safe_mem_expr_p): Use get_inner_reference.
2598 2012-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
2600         * config/mips/mips.c (mips_rtx_costs): Add costs for CINS.
2602 2012-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
2604         * config/mips/mips.c (mips_rtx_costs): Add missing COSTS_N_INSNS
2605         to the size cost of multiplication.
2607 2012-08-26  Gerald Pfeifer  <gerald@pfeifer.com>
2609         * doc/install.texi (Specific): Clarify what needs to be added to
2610         this section.
2612 2012-08-26  Gerald Pfeifer  <gerald@pfeifer.com>
2614         * doc/tm.texi.in (Misc): Move descriptions of NO_DOLLAR_IN_LABEL
2615         and NO_DOT_IN_LABEL from here...
2616         (Label Output): ...to here.
2617         * doc/tm.texi: Regenerate.
2619 2012-08-26  Gerald Pfeifer  <gerald@pfeifer.com>
2621         * doc/invoke.texi (C++ Dialect Options): Add missing space.
2623 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
2625         PR rtl-optimization/54088
2626         * jump.c (delete_related_insns): Robustify latest change.
2628 2012-08-25  Ricardo Catalinas Jiménez  <jimenezrick@gmail.com>
2630         * doc/extend.texi (__atomic Builtins): Remove space before comma.
2632 2012-08-25  Richard Sandiford  <rdsandiford@googlemail.com>
2633             Andrew Pinski  <apinski@cavium.com>
2635         * config/mips/mips.h (CASE_VECTOR_MODE): For not
2636         TARGET_MIPS16_SHORT_JUMP_TABLES use ptr_mode.
2637         (CASE_VECTOR_SHORTEN_MODE): Likewise.
2639 2012-08-25  Uros Bizjak  <ubizjak@gmail.com>
2641         * config/i386/i386.h (FP_REG_P): Remove macro.
2642         (FP_REGNO_P): Ditto.
2643         (HARD_REGNO_NREGS): Use STACK_REGNO_P instead of FP_REGNO_P.
2644         (HARD_REGNO_NREGS_HAS_PADDING): Ditto.
2645         (ANY_FP_REGNO_P): Ditto.
2646         (HARD_REGNO_RENAME_OK): Use STACK_REGNO_P.
2647         * config/i386/i386.c (output_387_ffreep): Use STACK_REGNO_P
2648         instead of FP_REGNO_P.
2649         (ix86_hard_regno_mode_ok): Ditto.
2650         * config/i386/predicates.md (fp_register_operand): Ditto.
2651         (register_and_not_fp_reg_operand): Ditto.
2652         * config/i386/sync.md (atomic_loaddi_fpu): Use STACK_REG_P instead
2653         of FP_REG_P.
2655         * reg-stack.c (get_true_reg): Use STACK_REG_P instead of FP_REG_P.
2657 2012-08-24  Jason Merrill  <jason@redhat.com>
2659         * print-tree.c (print_node): Don't check TREE_LANG_FLAG_*
2660         on TREE_VEC or SSA_NAME.
2662 2012-08-24  Jakub Jelinek  <jakub@redhat.com>
2664         PR c/54363
2665         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
2666         if init is a CONSTRUCTOR.
2668 2012-08-24  Steven Bosscher  <steven@gcc.gnu.org>
2670         * tree-ssa-live.c (dump_var_map): Do not dump the partition
2671         map of virtual operands.
2673 2012-08-24  Yuri Rumyantsev  <ysrumyan@gmail.com>
2675         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
2676         case for Atom processor.
2678 2012-08-24  Simon Baldwin  <simonb@google.com>
2680         * dwarf2out.c (gen_producer_string): Omit command line switch if
2681         CL_NO_DWARF_RECORD flag set.
2682         * opts.h (CL_NO_DWARF_RECORD): New.
2683         * opt-functions.awk (switch_flags): Add NoDWARFRecord.
2684         * doc/options.texi: Document NoDWARFRecord option flag.
2686 2012-08-24  H.J. Lu  <hongjiu.lu@intel.com>
2688         PR debug/52857
2689         * dwarf2out.c (mem_loc_descriptor): Allow arg_pointer_rtx and
2690         frame_pointer_rtx for based_loc_descr.
2692 2012-08-24  Martin Jambor  <mjambor@suse.cz>
2694         * predict.c (maybe_hot_frequency_p): New parameter fun.  Use its decl
2695         instead of current_function_decl, use profile_status_for_function and
2696         ENTRY_BLOCK_PTR_FOR_FUNCTION with fun instead of their cfun variants.
2697         (maybe_hot_count_p): New parameter fun, use
2698         profile_status_for_function instead of its cfun_variant.
2699         (maybe_hot_bb_p): New parameter fun, checking-assert it, pass it to
2700         all callees.
2701         (maybe_hot_edge_p): Pass cfun to maybe_hot_count_p and
2702         maybe_hot_frequency_p.
2703         (probably_never_executed_bb_p): New parameter fun, use its decl
2704         instead of current_function_decl.
2705         (optimize_bb_for_size_p): Pass cfun to maybe_hot_bb_p.
2706         (rtl_profile_for_bb): Likewise.
2707         (compute_function_frequency): Pass cfun to maybe_hot_bb_p and
2708         probably_never_executed_bb_p.
2709         * tree-ssa-operands.c (ssa_operands_active): New operator fun.  Use it
2710         instead of cfun.
2711         (update_stmt_operands): Pass cfun as an argument of
2712         ssa_operands_active.
2713         (swap_tree_operands): Likewise.
2714         * gimple-iterator.c (update_modified_stmt): Likewise.
2715         (update_modified_stmts): Likewise.
2716         * tree-flow-inline.h (delink_stmt_imm_use): Likewise.
2717         * tree-ssa.c (delete_tree_ssa): Likewise.
2718         * bb-reorder.c (bb_to_key): Pass cfun to probably_never_executed_bb_p.
2719         (push_to_next_round_p): Likewise.
2720         (find_rarely_executed_basic_blocks_and_crossing_edges ): Likewise.
2721         * cfg.c: Inlude tree.h.
2722         (check_bb_profile): Use profile_status_for_function,
2723         EXIT_BLOCK_PTR_FOR_FUNCTION and ENTRY_BLOCK_PTR_FOR_FUNCTION with
2724         DECL_STRUCT_FUNCTION (current_function_decl) instead of their cfun
2725         variants.
2726         (dump_bb_info): Pass DECL_STRUCT_FUNCTION (current_function_decl) to
2727         maybe_hot_bb_p and probably_never_executed_bb_p.
2728         * gimple-pretty-print.c (gimple_dump_bb_buff): Checking-assert that
2729         DECL_STRUCT_FUNCTION (current_function_decl) is not NULL.  Pass it to
2730         dump_histograms_for_stmt.
2731         (dump_gimple_mem_ops): Pass
2732         DECL_STRUCT_FUNCTION (current_function_decl)
2733         as an argument to dump_gimple_mem_ops.
2734         * tree-cfg.c (dump_function_to_file): Rename parameter fn to fndecl.
2735         Do not change cfun.  Change and restore current_function_decl.
2736         * Makefile.in (cfg.o): Include TREE_H in dependencies.
2738 2012-08-24  Georg-Johann Lay  <avr@gjlay.de>
2740         PR target/54222
2741         * avr-modes.def (HA, SA, DA, TA, UTA): Adjust modes.
2742         * avr/avr-fixed.md: New file.
2743         * avr/avr.md: Include it.
2744         (cc): Add: minus.
2745         (adjust_len): Add: minus, minus64, ufract, sfract.
2746         (ALL1, ALL2, ALL4, ORDERED234): New mode iterators.
2747         (MOVMODE): Add: QQ, UQQ, HQ, UHQ, HA, UHA, SQ, USQ, SA, USA.
2748         (MPUSH): Add: HQ, UHQ, HA, UHA, SQ, USQ, SA, USA.
2749         (pushqi1, xload8_A, xload_8, movqi_insn, *reload_inqi, addqi3,
2750         subqi3, ashlqi3, *ashlqi3, ashrqi3, lshrqi3, *lshrqi3, *cmpqi,
2751         cbranchqi4, *cpse.eq): Generalize to handle all 8-bit modes in ALL1.
2752         (*movhi, reload_inhi, addhi3, *addhi3, addhi3_clobber, subhi3,
2753         ashlhi3, *ashlhi3_const, ashrhi3, *ashirhi3_const, lshrhi3,
2754         *lshrhi3_const, *cmphi, cbranchhi4): Generalize to handle all
2755         16-bit modes in ALL2.
2756         (subhi3, casesi, strlenhi): Add clobber when expanding minus:HI.
2757         (*movsi, *reload_insi, addsi3, subsi3, ashlsi3, *ashlsi3_const,
2758         ashrsi3, *ashrhi3_const, *ashrsi3_const, lshrsi3, *lshrsi3_const,
2759         *reversed_tstsi, *cmpsi, cbranchsi4): Generalize to handle all
2760         32-bit modes in ALL4.
2761         * avr-dimode.md (ALL8): New mode iterator.
2762         (adddi3, adddi3_insn, adddi3_const_insn, subdi3, subdi3_insn,
2763         subdi3_const_insn, cbranchdi4, compare_di2,
2764         compare_const_di2, ashrdi3, lshrdi3, rotldi3, ashldi3_insn,
2765         ashrdi3_insn, lshrdi3_insn, rotldi3_insn): Generalize to handle
2766         all 64-bit modes in ALL8.
2767         * config/avr/avr-protos.h (avr_to_int_mode): New prototype.
2768         (avr_out_fract, avr_out_minus, avr_out_minus64): New prototypes.
2769         * config/avr/avr.c (TARGET_FIXED_POINT_SUPPORTED_P): Define to...
2770         (avr_fixed_point_supported_p): ...this new static function.
2771         (TARGET_BUILD_BUILTIN_VA_LIST): Define to...
2772         (avr_build_builtin_va_list): ...this new static function.
2773         (avr_adjust_type_node): New static function.
2774         (avr_scalar_mode_supported_p): Allow if ALL_FIXED_POINT_MODE_P.
2775         (avr_builtin_setjmp_frame_value): Use gen_subhi3 and return new
2776         pseudo instead of gen_rtx_MINUS.
2777         (avr_print_operand, avr_operand_rtx_cost): Handle: CONST_FIXED.
2778         (notice_update_cc): Handle: CC_MINUS.
2779         (output_movqi): Generalize to handle respective fixed-point modes.
2780         (output_movhi, output_movsisf, avr_2word_insn_p): Ditto.
2781         (avr_out_compare, avr_out_plus_1): Also handle fixed-point modes.
2782         (avr_assemble_integer): Ditto.
2783         (output_reload_in_const, output_reload_insisf): Ditto.
2784         (avr_compare_pattern): Skip all modes > 4 bytes.
2785         (avr_2word_insn_p): Skip movuqq_insn, movqq_insn.
2786         (avr_out_fract, avr_out_minus, avr_out_minus64): New functions.
2787         (avr_to_int_mode): New function.
2788         (adjust_insn_length): Handle: ADJUST_LEN_SFRACT,
2789         ADJUST_LEN_UFRACT, ADJUST_LEN_MINUS, ADJUST_LEN_MINUS64.
2790         * config/avr/predicates.md (const0_operand): Allow const_fixed.
2791         (const_operand, const_or_immediate_operand): New.
2792         (nonmemory_or_const_operand): New.
2793         * config/avr/constraints.md (Ynn, Y00, Y01, Y02, Ym1, Ym2, YIJ):
2794         New constraints.
2795         * config/avr/avr.h (LONG_LONG_ACCUM_TYPE_SIZE): Define.
2797 2012-08-23  Kenneth Zadeck <zadeck@naturalbridge.com>
2799         * alias.c (rtx_equal_for_memref_p): Convert constant cases.
2800         * combine.c (find_single_use_1, mark_used_regs_combine): Convert
2801         to CASE_CONST_ANY.
2802         * cse.c (exp_equiv_p, canon_reg, fold_rtx, cse_process_notes_1,
2803         count_reg_usage): Convert constant cases.
2804         * cselib.c (cselib_expand_value_rtx_1): Convert to CASE_CONST_ANY.
2805         (cselib_subst_to_values): Convert constant cases.
2806         * df-scan.c (df_uses_record): Ditto.
2807         * dse.c (const_or_frame_p): Convert case statements to explicit
2808         if-then-else using mode classes.
2809         * emit-rtl.c (verify_rtx_sharing, copy_insn_1): Convert constant cases.
2810         * explow.c (convert_memory_address_addr_space): Ditto.
2811         * gcse.c (want_to_gcse_p, oprs_unchanged_p, compute_transp): Ditto.
2812         * genattrtab.c (attr_copy_rtx, clear_struct_flag): Ditto.
2813         * ira.c (equiv_init_varies_p, contains_replace_regs,
2814         memref_referenced_p, rtx_moveable_p): Ditto.
2815         * jump.c (mark_jump_label_1): Remove constant cases.
2816         (rtx_renumbered_equal_p): Convert to CASE_CONST_UNIQUE.
2817         * loop-invariant.c (check_maybe_invariant, hash_invariant_expr_1,
2818         invariant_expr_equal_p): Convert to CASE_CONST_ANY.
2819         * postreload-gcse.c (oprs_unchanged_p): Convert constant cases.
2820         * reginfo.c (reg_scan_mark_refs): Ditto.
2821         * regrename.c (scan_rtx): Ditto.
2822         * reload1.c (eliminate_regs_1, elimination_effects,
2823         scan_paradoxical_subregs): Ditto.
2824         * reload.c (operands_match_p, subst_reg_equivs):  Ditto.
2825         * resource.c (mark_referenced_resources, mark_set_resources): Ditto.
2826         * rtlanal.c (rtx_unstable_p, rtx_varies_p, count_occurrences)
2827         (reg_mentioned_p, modified_between_p, modified_in_p)
2828         (volatile_insn_p, volatile_refs_p, side_effects_p, may_trap_p_1,
2829         inequality_comparisons_p, computed_jump_p_1): Ditto.
2830         * rtl.c (copy_rtx, rtx_equal_p_cb, rtx_equal_p): Ditto.
2831         * sched-deps.c (sched_analyze_2): Ditto.
2832         * valtrack.c (cleanup_auto_inc_dec): Ditto.
2833         * rtl.h: (CASE_CONST_SCALAR_INT, CASE_CONST_UNIQUE,
2834         CASE_CONST_ANY): New macros.
2836 2012-08-23  Julian Brown  <julian@codesourcery.com>
2837             Sandra Loosemore  <sandra@codesourcery.com>
2839         * config/mips/mips.md
2840         (UNSPEC_CASESI_DISPATCH): New.
2841         (MIPS16_T_REGNUM): New constant.
2842         (tablejump): Don't use for MIPS16_SHORT_JUMP_TABLES.
2843         (casesi): New.
2844         (casesi_internal_mips16_<mode>): New.
2845         * config/mips/mips.c (mips16_split_long_branches): Adjust test
2846         to ignore casesi jump tables.
2847         * config/mips/mips.h (TARGET_MIPS16_SHORT_JUMP_TABLES): Update
2848         comment.
2849         (CASE_VECTOR_MODE): Use SImode unconditionally.
2850         (CASE_VECTOR_SHORTEN_MODE): Define.
2851         (ASM_OUTPUT_ADDR_DIFF_ELT): Output word-sized addr_diff_elts
2852         when necessary for MIPS16_SHORT_JUMP_TABLES.
2854 2012-08-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2856         * config/rs6000/rs6000.c (rs6000_density_test): Free loop body.
2858 2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
2860         PR driver/54335
2861         * doc/invoke.texi: Add -da and remove -dm.
2863 2012-08-23  Richard Guenther  <rguenther@suse.de>
2865         * tree-vect-stmts.c (vect_finish_stmt_generation): Update
2866         virtual SSA form.
2868 2012-08-23  Jakub Jelinek  <jakub@redhat.com>
2870         * tree.c (copy_node_stat): Clear DECL_STRUCT_FUNCTION.
2872 2012-08-23  Mingjie Xing  <mingjie.xing@gmail.com>
2874         * doc/gty.texi: Fix typo.
2876 2012-08-23  Richard Guenther  <rguenther@suse.de>
2878         * tree-ssa-loop-manip.c (add_exit_phis_var): Allow virtual operands.
2879         (find_uses_to_rename_use): Likewise.
2880         (find_uses_to_rename_bb): Likewise.
2881         (find_uses_to_rename_stmt): Walk over all operands.
2883 2012-08-22  Oleg Endo  <olegendo@gcc.gnu.org>
2885         PR target/54089
2886         * config/sh/predicates (p27_rshift_count_operand,
2887         not_p27_rshift_count_operand): New predicates.
2888         * config/sh/sh.c (sh_ashlsi_clobbers_t_reg_p,
2889         sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p): Handle special
2890         case when shift amount is 31.
2891         (gen_ashift): Emit gen_shlr instead of gen_lshrsi3_m.
2892         * config/sh/sh.md (ashlsi3_d): Set type to 'dyn_shift' instead
2893         of 'arith'.
2894         (ashlsi_c): Rename to shll.  Adapt calls to gen_ashlsi_c throughout
2895         the file.
2896         (lshrsi3): Remove clobber from expander.  Use shift_count_operand
2897         instead of nonmemory_operand predicate for second operand.  Add
2898         handling of case lshrsi3_n_clobbers_t.
2899         (lshrsi3_k): Use p27_rshift_count_operand for second operand.
2900         (lshrsi3_d): Make insn_and_split.  Split dynamic shift to constant
2901         shift sequences if beneficial.
2902         (lshrsi3_n): Make insn_and_split.  Split constant shift sequence to
2903         dynamic shift if beneficial.
2904         (lshrsi3_n_clobbers_t): New insn_and_split.
2905         (lshrsi3_m): Delete.
2907 2012-08-22  Steven Bosscher  <steven@gcc.gnu.org>
2909         * tracer.c (mark_bb_seen): Use SBITMAP_SIZE.
2911         * alias.c (MAX_ALIAS_LOOP_PASSES): Update comment with rationale,
2912         or rather a lack thereof.
2913         (init_alias_analysis): Propagate the latest information across
2914         the CFG in topological order to propagate as far as possible in
2915         each iteration.  Ignore debug insns.
2917 2012-08-22  H.J. Lu  <hongjiu.lu@intel.com>
2919         * doc/invoke.texi: Document -mlong-double-64/-mlong-double-80.
2921         * config/i386/i386.c (flag_opts): Add -mlong-double-64.
2922         (TARGET_HAS_BIONIC): Default long double to 64-bit for Bionic.
2924         * config/i386/i386.h (LONG_DOUBLE_TYPE_SIZE): Use 64 if
2925         TARGET_LONG_DOUBLE_64 is true.
2926         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New macro.
2927         (WIDEST_HARDWARE_FP_SIZE): Defined to 80.
2929         * config/i386/i386.opt (mlong-double-80): New option.
2930         (mlong-double-64): Likewise.
2932         * config/i386/i386-c.c (ix86_target_macros): Define
2933         __LONG_DOUBLE_64__ for TARGET_LONG_DOUBLE_64.
2935 2012-08-22  H.J. Lu  <hongjiu.lu@intel.com>
2937         PR target/54347
2938         * config/i386/i386.c (ix86_split_to_parts): Replace
2939         REAL_VALUE_TO_TARGET_LONG_DOUBLE with real_to_target.
2941 2012-08-22  Richard Guenther  <rguenther@suse.de>
2943         * tree-vectorizer.c (vectorize_loops): Do not call
2944         mark_virtual_operands_for_renaming.
2945         * tree-vect-slp.c (vect_slp_transform_bb): Likewise.
2946         Do not update SSA form here.
2948 2012-08-22  Dodji Seketeli  <dodji@redhat.com>
2950         * tree.h (TREE_NOTHROW): Use the base.nothrow_flag.
2952 2012-08-22  Richard Guenther  <rguenther@suse.de>
2954         PR tree-optimization/46590
2955         * tree-ssa-alias.h (get_continuation_for_phi): Add alias query
2956         counter output argument.
2957         (walk_non_aliased_vuses): Add alias query counter argument
2958         to the walker callback.
2959         * tree-ssa-alias.c (maybe_skip_until): Add alias query counter
2960         output argument and count alias queries.
2961         (get_continuation_for_phi_1): Likewise.
2962         (get_continuation_for_phi): Likewise.
2963         (walk_non_aliased_vuses): Add alias query counter argument
2964         to the walker callback and allow it to abort the walk by
2965         returning -1.
2966         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
2967         * tree-ssa-sccvn.c (vn_reference_lookup_2): Add alias query
2968         counter parmeter, abort walk if that is bigger than
2969         --param sccvn-max-alias-queries-per-access.
2970         * params.def (sccvn-max-alias-queries-per-access): New param.
2971         * doc/invoke.texi (sccvn-max-alias-queries-per-access): Document.
2973 2012-08-22  Richard Guenther  <rguenther@suse.de>
2975         * tree-ssa-loop-ch.c (copy_loop_headers): Remove redundant checking.
2976         * tree-into-ssa.c (initialize_flags_in_bb): Use gcc_checking_assert
2977         instead of gcc_assert.
2978         (mark_block_for_update): Likewise.
2979         (add_new_name_mapping): Likewise.
2980         (mark_def_sites): Likewise.
2981         (insert_phi_nodes_for): Likewise.
2982         (rewrite_debug_stmt_uses): Likewise.
2983         (rewrite_stmt): Likewise.
2984         (maybe_register_def): Likewise.
2985         (rewrite_update_phi_arguments): Likewise.
2986         (rewrite_update_enter_block): Likewise.
2987         (mark_def_interesting): Likewise.
2988         (prepare_def_site_for): Likewise.
2989         (insert_updated_phi_nodes_for): Likewise.
2991 2012-08-22  Jakub Jelinek  <jakub@redhat.com>
2993         * tree-vect-loop.c (vect_transform_loop): Initialize
2994         check_profitability to false.
2996         * tree-predcom.c (try_combine_chains): Free the worklist vector
2997         at the end.
2999 2012-08-22  Marc Glisse  <marc.glisse@inria.fr>
3001         PR tree-optimization/54317
3002         * tree-vrp.c (extract_range_from_binary_expr_1): Test for
3003         double_int overflow.
3004         Remove dead tests.
3006 2012-08-22  Jakub Jelinek  <jakub@redhat.com>
3008         * tree-vrp.c (find_assert_locations): Skip also edges
3009         from the entry block.
3011         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): Call
3012         free_stmt_vec_info on orig_cond after gsi_removing it.
3013         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Always
3014         free body_cost_vec vector.
3015         (vect_analyze_data_refs): If gather is unsuccessful,
3016         free_data_ref (dr).
3017         * tree-inline.c (tree_function_versioning): Free
3018         old_transforms_to_apply vector.
3020 2012-08-22  Steven Bosscher  <steven@gcc.gnu.org>
3022         * tree-ssa-coalesce.c (struct ssa_conflicts_d): Make contents
3023         of this a VEC and add a bitmap obstack.
3024         (ssa_conflicts_new): Allocate the obstack and grow the VEC cleared
3025         to the right size.
3026         (ssa_conflicts_delete): Free the VEC and release the obstack.
3027         (ssa_conflicts_test_p, ssa_conflicts_test_p, ssa_conflicts_add_one,
3028         ssa_conflicts_merge, ssa_conflicts_dump): Update for above changes.
3029         (truct live_track_d): Add another bitmap obstack here.
3030         (new_live_track): Initialize it and use it for all bitmaps.
3031         (delete_live_track): Don't free the bitmaps one at a time, just
3032         release the obstack.
3033         (create_outofssa_var_map): Fix to conform to GCC code style rules.
3035 2012-08-21  Nathan Froyd  <froydnj@gcc.gnu.org>
3037         * config/m32c/constraints.md: New file.
3038         * config/m32c/t-m32c (MD_FILES): Add constraints.
3039         * config/m32c/m32c-protos.h (m32c_const_ok_for_constraint_p): Delete.
3040         (m32c_extra_address_constraint, m32c_extra_memory_constraint): Delete.
3041         (m32c_reg_class_from_constraint): Delete.
3042         (m32c_extra_constraint_p, m32c_extra_constraint_p2): Delete.
3043         (m32c_matches_constraint_p): Declare.
3044         * config/m32c/m32c.h (CONSTRAINT_LEN): Delete.
3045         (REG_CLASS_FROM_CONSTRAINT): Delete.
3046         (CONST_OK_FOR_CONSTRAINT_P): Delete.
3047         (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Delete.
3048         (EXTRA_CONSTRAINT_STR): Delete.
3049         (EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT): Delete.
3050         * config/m32c/m32c.c: Include tm-constrs.h
3051         (m32c_reg_class_from_constraint): Delete.
3052         (m32c_const_ok_for_constraint_p): Delete.
3053         (m32c_extra_constraint_p2): Rename to...
3054         (m32c_matches_constraint_p): ...this.  Make it return bool.  Tweak
3055         formatting.
3056         (m32c_extra_constraint_p): Delete.
3057         (m32c_extra_address_constraint, m32c_extra_memory_constraint): Delete.
3058         (m32c_split_move): Use satisfies_constraint_Ss.
3059         * config/m32c/predicates.md (memsym_operand): Use
3060         satisfies_constraint_Si.
3061         (memimmed_operand): Use satisfies_constraint_Sp.
3062         (m32c_psi_scale, m32c_1bit8_operand): Use satisfies_constraint_Ilb.
3063         (m32c_1bit16_operand): Use satisfies_constraint_Ilw.
3064         (m32c_1mask8_operand): Use satisfies_constraint_ImB.
3065         (m32c_1mask16_operand): Use satisfies_constraint_Imw.
3067 2012-08-21  Nathan Froyd  <froydnj@gcc.gnu.org>
3069         * config/mep/mep.h (REG_CLASS_FROM_CONSTRAINT): Delete.
3070         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3071         (CONSTRAINT_LEN, EXTRA_CONSTRAINT): Delete.
3072         * config/mep/mep.c (mep_reg_class_from_constraint): Delete.
3073         (mep_const_ok_for_letter_p, mep_extra_constraint): Delete.
3074         * config/mep/mep-protos.h (mep_reg_class_from_constraint): Delete.
3075         (mep_const_ok_for_letter_p, mep_extra_constraint): Delete.
3077 2012-08-21  Oleg Endo  <olegendo@gcc.gnu.org>
3079         * config/sh/sh.md (cmpeqdi_t, cmpgtdi_t, cmpgedi_t, cmpgeudi_t,
3080         cmpgtudi_t, *movsicc_t_false, *movsicc_t_true, divsi_inv20, negsi_cond,
3081         truncdihi2, ic_invalidate_line_i, ic_invalidate_line_sh4a,
3082         ic_invalidate_line_media, movdf_i4, calli_pcrel, call_valuei,
3083         call_valuei_pcrel, sibcalli_pcrel, sibcall_compact,
3084         sibcall_valuei_pcrel, sibcall_value_compact, casesi_worker_1,
3085         casesi_worker_2, bandreg_m2a, borreg_m2a, bxorreg_m2a, sp_switch_1,
3086         sp_switch_2, stack_protect_set_si, stack_protect_set_si_media,
3087         stack_protect_set_di_media, stack_protect_test_si,
3088         stack_protect_test_si_media, stack_protect_test_di_media): Convert to
3089         multi-line asm output strings.
3090         (divsi_inv_qitable, divsi_inv_hitable): Use single-alternative asm
3091         output.
3092         (*andsi3_bclr, rotldi3_mextr, rotrdi3_mextr, calli,
3093         call_valuei_tbr_rel, movml_push_banked, movml_pop_banked, bclr_m2a,
3094         bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a, bldsign_m2a,
3095         bld_reg, *bld_regqi, band_m2a, bor_m2a, bxor_m2a, mextr_rl, *mextr_lr):
3096         Use tab char instead of '\\t'.
3097         (iordi3): Use braced string.
3098         (*movsi_pop): Use tab chars instead of spaces.
3100 2012-08-21  Oleg Endo  <olegendo@gcc.gnu.org>
3102         PR target/39423
3103         * config/sh/sh.md (*movhi_index_disp): Add support for SH2A
3104         movu.w insn.
3106 2012-08-21  H.J. Lu  <hongjiu.lu@intel.com>
3108         PR middle-end/54332
3109         * df-scan.c (df_bb_verify): Restore df_free_collection_rec call
3110         inside the insn traversal loop.
3112         * vec.h (vec_reserve): Remove the stack allocation check.
3114 2012-08-21  Marc Glisse  <marc.glisse@inria.fr>
3116         * fold-const.c (fold_ternary_loc): Detect identity permutations.
3117         Canonicalize permutations more.
3118         * tree-ssa-forwprop.c (is_combined_permutation_identity): New function.
3119         (simplify_permutation): Likewise.
3120         (ssa_forward_propagate_and_combine): Call it.
3122 2012-08-21  Richard Guenther  <rguenther@suse.de>
3124         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
3125         the affine expansion cache.
3126         * tree-ssa-dom.c (free_expr_hash_elt_contents): New function,
3127         split out from ...
3128         (free_expr_hash_elt): ... this one.
3129         (record_cond): Properly free a not needed hashtable element.
3130         (lookup_avail_expr): Likewise.
3131         * tree-into-ssa.c (init_ssa_renamer): Specify a free function
3132         for the var_infos hashtable.
3133         (update_ssa): Likewise.
3135 2012-08-21  Richard Guenther  <rguenther@suse.de>
3137         * alloc-pool.c (pool_alloc): Fix valgrind annotation.
3138         * tree.h: Fix typo and complete flags documentation.
3140 2012-08-21  Richard Guenther  <rguenther@suse.de>
3142         * tree.h (struct tree_base): Add union to make it possible to
3143         re-use the upper 4 bytes for tree codes that do not need as
3144         many flags as others.  Move visited and default_def_flag to
3145         common bits section in exchange for saturating_flag and
3146         unsigned_flag.  Add SSA name version and tree vec length
3147         fields here.
3148         (struct tree_vec): Remove length field here.
3149         (struct tree_ssa_name): Remove version field here.
3151 2012-08-20  Jan Hubicka  <jh@suse.cz>
3153         PR fortran/48636
3154         * ipa-inline.c (want_inline_small_function_p): Take loop_iterations
3155         hint.
3156         (edge_badness): Likewise.
3157         * ipa-inline.h (inline_hints_vals): Add INLINE_HINT_loop_iterations.
3158         (inline_summary): Add loop_iterations.
3159         * ipa-inline-analysis.c: Include tree-scalar-evolution.h.
3160         (dump_inline_hints): Dump loop_iterations.
3161         (reset_inline_summary): Free loop_iterations.
3162         (inline_node_duplication_hook): Update loop_iterations.
3163         (dump_inline_summary): Dump loop_iterations.
3164         (will_be_nonconstant_expr_predicate): New function.
3165         (estimate_function_body_sizes): Analyze loops.
3166         (estimate_node_size_and_time): Set hint loop_iterations.
3167         (inline_merge_summary): Merge loop iterations.
3168         (inline_read_section): Stream in loop_iterations.
3169         (inline_write_summary): Stream out loop_iterations.
3171 2012-08-20  Florian Weimer  <fweimer@redhat.com>
3173         PR c++/19351
3174         * call.c (build_operator_new_call): Add size_check argument and
3175         evaluate it.
3176         * cp-tree.h (build_operator_new_call): Adjust declaration.
3177         * init.c (build_new_1): Compute array size check and apply it.
3179 2012-08-20  Oleg Endo  <olegendo@gcc.gnu.org>
3181         PR target/54089
3182         * config/sh/sh.md (rotcr, *rotcr, shar, shlr): New insns and splits.
3183         (ashrdi3_k, lshrdi3_k): Rewrite as insn_and_split.
3184         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p): New function.
3185         * config/sh/sh-protos.h (sh_lshrsi_clobbers_t_reg_p): Declare it.
3187 2012-08-20  Oleg Endo  <olegendo@gcc.gnu.org>
3189         PR target/51244
3190         * config/sh/sh.md (*cset_zero): New insns.
3192 2012-08-20  Mark Wielaard  <mjw@redhat.com>
3194         * dwarf2out.h (enum dw_val_class): Add dw_val_class_high_pc.
3195         * dwarf2out.c (dw_val_equal_p): Handle dw_val_class_high_pc.
3196         (add_AT_low_high_pc): New function.
3197         (AT_lbl): Handle dw_val_class_high_pc.
3198         (print_die): Likewise.
3199         (attr_checksum): Likewise.
3200         (attr_checksum_ordered): Likewise.
3201         (same_dw_val_p): Likewise.
3202         (size_of_die): Likewise.
3203         (value_format): Likewise.
3204         (output_die): Likewise.
3205         (gen_subprogram_die): Use add_AT_low_high_pc.
3206         (add_high_low_attributes): Likewise.
3207         (dwarf2out_finish): Likewise.
3209 2012-08-20  Jakub Jelinek  <jakub@redhat.com>
3211         PR rtl-optimization/54294
3212         * fwprop.c (all_uses_available_at): Ignore debug insns in between
3213         def_insn and target_insn when checking whether the shortcut is
3214         possible.
3216 2012-08-20  Eric Botcazou  <ebotcazou@adacore.com>
3218         * config/sparc/sparc.h (MAX_FIXED_MODE_SIZE): Define.
3220 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
3222         PR middle-end/53992
3223         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
3225 2012-08-20  Richard Earnshaw  <rearnsha@arm.com>
3227         PR tree-ssa/54295
3228         * tree-ssa-math-opts.c (is_widening_mult_rhs_p): Delete rhs_code
3229         declaration and setter.
3231 2012-08-20  Richard Earnshaw  <rearnsha@arm.com>
3233         PR tree-ssa/54295
3234         * tree-ssa-math-opts.c (widening_mult_conversion_strippable_p):
3235         New function.
3236         (is_widening_mult_rhs_p): Use it.
3238 2012-08-20  Joseph Myers  <joseph@codesourcery.com>
3240         * configure.ac (ffs): Check for declaration.
3241         * configure, config.in: Regenerate.
3243 2012-08-20  Richard Guenther  <rguenther@suse.de>
3245         * tree-flow.h (register_new_name_mapping): Remove.
3246         * tree-into-ssa.c (register_new_name_mapping): Likewise.
3247         (add_new_name_mapping): Do not push/pop timevar here.
3248         (create_new_def_for): Instead do it here.  Initialize
3249         update-ssa here, handle a NULL def.
3250         * tree-vrp.c (build_assert_expr_for): Use create_new_def_for.
3252 2012-08-20  Richard Guenther  <rguenther@suse.de>
3254         PR tree-optimization/54327
3255         * gimple-fold.c (get_maxval_strlen): Do not walk use-def chains
3256         if the use is registered for SSA update.
3258 2012-08-20  Jakub Jelinek  <jakub@redhat.com>
3260         PR tree-optimization/54321
3261         * tree-ssa-forwprop.c (simplify_builtin_call): Pass 0 instead of 1
3262         as second argument to tree_low_cst call on val2.
3264 2012-08-20  Richard Guenther  <rguenther@suse.de>
3266         * gimple.h (gimple_statement_base): Annotate with GTY chain_next.
3268 2012-08-20  Richard Guenther  <rguenther@suse.de>
3270         PR bootstrap/54326
3271         * genoutput.c (note_constraint): Properly use CONST_CAST.
3273 2012-08-19  Nick Clifton  <nickc@redhat.com>
3275         PR target/54306
3276         * config/arm/mmintrin.h: Remove spurious #endif.
3278 2012-08-18  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3280         * config/avr/avr-log.c (avr_log_vadump): Properly use
3281         int-promoted enum values.
3282         * config/avr/avr.h (struct mcu_type_s): Change `arch' from
3283         int to enum avr_arch.
3284         * config/avr/gen-avr-mmcu-texi.c (main): Use correct initializer.
3286 2012-08-18  Jan Hubicka  <jh@suse.cz>
3288         PR lto/45375
3289         * ipa-inline.c (want_inline_small_function_p): Bypass
3290         inline limits for hinted functions.
3291         (edge_badness): Dump hints; decrease badness for hinted funcitons.
3292         * ipa-inline.h (enum inline_hints_vals): New enum.
3293         (inline_hints): New type.
3294         (edge_growth_cache_entry): Add hints.
3295         (dump_inline_summary): Update.
3296         (dump_inline_hints): Declare.
3297         (do_estimate_edge_hints): Declare.
3298         (estimate_edge_hints): New inline function.
3299         (reset_edge_growth_cache): Update.
3300         * predict.c (cgraph_maybe_hot_edge_p): Do not ice on indirect edges.
3301         * ipa-inline-analysis.c (dump_inline_hints): New function.
3302         (estimate_edge_devirt_benefit): Return true when function should be
3303         hinted.
3304         (estimate_calls_size_and_time): New hints argument; set it when
3305         devritualization happens.
3306         (estimate_node_size_and_time): New hints argument.
3307         (do_estimate_edge_time): Cache hints.
3308         (do_estimate_edge_growth): Update.
3309         (do_estimate_edge_hints): New function
3311 2012-08-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3313         PR middle-end/53823
3314         * expmed.c (expand_mult): Skip synth_mult for negative coefficients
3315         if the mode is larger than a wide int and it is too costly to multiply
3316         by a positive multiplier and negate the result.
3318 2012-08-18  Steven Bosscher  <steven@gcc.gnu.org>
3320         * sparseset.c (sparseset_alloc): Use non-clearing allocation.  Tell
3321         valgrind not to worry about reading from unitialized memory.
3323 2012-08-18  Steven Bosscher  <steven@gcc.gnu.org>
3325         PR middle-end/54313
3326         * dse.c (dse_step7): Don't free kill_on_calls bitmap, it is
3327         freed when its obstack is release.
3329 2012-08-18  Andrew Pinski  <pinskia@gmail.com>
3331         * alloc-pool.c (pool_alloc): Add valgrind markers.
3332         (pool_free): Likewise.
3334 2012-08-17  Walter Lee  <walt@tilera.com>
3336         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
3337         (FEEDBACK_ENTER): Define.
3338         (FEEDBACK_REENTER): Define.
3339         (FEEDBACK_ENTRY): Define.
3340         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
3341         (FEEDBACK_ENTER): Define.
3342         (FEEDBACK_REENTER): Define.
3343         (FEEDBACK_ENTRY): Define.
3345 2012-08-17  H.J. Lu  <hongjiu.lu@intel.com>
3346             Gary Funck <gary@intrepid.com>
3348         PR target/20020
3349         * config/i386/i386.c (ix86_member_type_forces_blk): New function.
3350         (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
3352         * config/i386/i386.h (MAX_FIXED_MODE_SIZE): New macro.
3354 2012-08-17  Marc Glisse  <marc.glisse@inria.fr>
3356         * simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle of
3357         a concatenation.
3359 2012-08-17  H.J. Lu  <hongjiu.lu@intel.com>
3361         * stor-layout.c (compute_record_mode): Replace
3362         MEMBER_TYPE_FORCES_BLK with targetm.member_type_forces_blk.
3363         (layout_type): Likewise.
3365         * system.h: Poison MEMBER_TYPE_FORCES_BLK.
3367         * target.def (member_type_forces_blk): New target hook.
3369         * targhooks.c (default_member_type_forces_blk): New.
3370         * targhooks.h (default_member_type_forces_blk): Likewise.
3372         * doc/tm.texi.in (MEMBER_TYPE_FORCES_BLK): Removed.
3373         (TARGET_MEMBER_TYPE_FORCES_BLK): New hook.
3374         * doc/tm.texi: Regenerated.
3376         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Removed.
3378         * config/ia64/ia64.c (ia64_member_type_forces_blk): New function.
3379         (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
3381         * config/rs6000/rs6000.c (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
3382         (rs6000_member_type_forces_blk): New function.
3384         * config/rs6000/rs6000.h (MEMBER_TYPE_FORCES_BLK): Removed.
3386         * config/xtensa/xtensa.c (xtensa_member_type_forces_blk): New function.
3387         (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
3389         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Removed.
3391 2012-08-17  Diego Novillo  <dnovillo@google.com>
3393         PR bootstrap/54281
3394         * configure.ac: Add libintl.h to AC_CHECK_HEADERS list.
3395         * config.in: Regenerate.
3396         * configure: Regenerate.
3397         * intl.h: Always include libintl.h if HAVE_LIBINTL_H is set.
3399 2012-08-17  Richard Guenther  <rguenther@suse.de>
3401         * bitmap.h (struct bitmap_element_def): GTY annotate next/prev.
3402         (struct bitmap_head_def): GTY skip current field.
3404 2012-08-17  Steven Bosscher  <steven@gcc.gnu.org>
3406         PR middle-end/54146
3407         * tree-ssa-loop-im.c (lim_bitmap_obstack): New bitmap_obstack.
3408         (memref_free): Don't free the bitmaps individually here.
3409         (mem_ref_alloc): Allocate the bitmaps on the new bitmap obstack.
3410         (analyze_memory_references): Likewise.
3411         (tree_ssa_lim_initialize): Initialize the new bitmap obstack.
3412         (tree_ssa_lim_finalize): Release it.
3413         * dse.c (dse_bitmap_obstack): New bitmap obstack.
3414         (dse_obstack): New obstack.
3415         (get_group_info): Allocate the bitmaps on the new bitmap obstack.
3416         (dse_step0): Allocate the scratch bitmap on reg_obstack.  Initialize
3417         the new bitmap obstack and normal obstack.  Use XNEWVEC for bb_table.
3418         (record_store): Allocate regs_set on reg_obstack.
3419         (dse_step1): Allocate regs_live on reg_obstack.
3420         (dse_step2_init): Allocate offset_map_n and offset_map_p on the new
3421         obstack.
3422         (dse_step3_scan): Allocate bitmaps on the new bitmap obstack.
3423         (dse_step3): Likewise.
3424         (dse_confluence_0): Likewise.
3425         (dse_confluence_n): Likewise.
3426         (dse_transfer_function): Likewise.
3427         (dse_step7): Destroy the new obstacks, and everything allocated on
3428         them, in one big sweep.
3429         (rest_of_handle_dse): Update.
3430         * cfgexpand.c (stack_var_bitmap_obstack): New bitmap obstack.
3431         (add_stack_var_conflict): Allocate bitmaps on it.
3432         (add_scope_conflicts_1): Likewise.
3433         (add_scope_conflicts): Likewise.
3434         (update_alias_info_with_stack_vars): Likewise.
3435         (init_vars_expansion): Move TREE_USED fiddling expand_used_vars.
3436         Initialize the new bitmap obstack.
3437         (fini_vars_expansion): Release it.
3438         (estimated_stack_frame_size): Use init_vars_expansion to set things up
3439         and always clean up at the end.
3440         (expand_used_vars): Do the TREE_USED trickery here.  Always call
3441         fini_vars_expansion.
3442         * tree-ssa-live.h (struct tree_live_info_d): Make livein and liveout
3443         arrays of bitmap_head to avoid one indirection per bitmap access.
3444         (live_on_entry, live_on_exit, live_var_map, live_merge_and_clear,
3445         make_live_on_entry): Update.
3446         * tree-ssa-live.c (partition_view_bitmap): Don't double-free 'used'.
3447         (liveness_bitmap_obstack): New bitmap obstack.
3448         (remove_unused_locals): Use it to allocate all bitmaps on.  Update
3449         for livein/liveout changes in tree-ssa-live.h.
3450         (delete_tree_live_info): Release the bitmap obstack.
3451         (loe_visit_block, live_worklist, set_var_live_on_entry,
3452         calculate_live_on_exit, dump_live_info): Update.
3453         (calculate_live_ranges): Initialize the bitmap.
3454         * tree-ssa-ter.c (ter_bitmap_obstack): New bitmap obstack.
3455         (new_temp_expr_table): Allocate bitmap on it.
3456         (make_dependent_on_partition, add_to_partition_kill_list,
3457         add_dependence, process_replaceable): Likewise.
3458         (find_replaceable_exprs): Initialize and release the new obstack here.
3459         * df-problems.c (df_lr_add_problem): Allocate persistent bitmap
3460         for out_of_date_transfer_functions on df_bitmap_obstack.
3461         (df_live_add_problem): Likewise.
3462         (df_chain_add_problem): Likewise.
3463         (df_word_lr_add_problem): Likewise.
3465 2012-08-17  Nick Clifton  <nickc@redhat.com>
3467         * config/fr30/fr30.md  (cbranchsi4): Remove mode from comparison.
3468         (branch_true): Likewise.
3469         (branch_false): Likewise.
3471         * config/mcore/mcore.md (cbranchsi4): Remove mode from comparison.
3473         * config/iq2000/iq2000.md (cbranchsi4): Remove mode from
3474         comparison and label.
3475         (branch_zero): Likewise.
3476         (branch_zero_inverted): Likewise.
3477         (branch_equality): Likewise.
3478         (branch_equality_inverted): Likewise.
3479         (extend-and-compare): Disable until reload issues can be resolved.
3480         * config/iq2000/iq2000.c (gen_conditional_branch): Use VOIDmode
3481         for comparison.
3482         (iq2000_function_arg_advance): Remove CONST_CAST2.
3484         * config/mep/t-mep (mep-pragma.o): Use $(COMPILER) to compile
3485         mep-pragma.c.
3487 2012-08-17  Georg-Johann Lay  <avr@gjlay.de>
3489         * config/avr/t-avr (gen-avr-mmcu-texi): Use $(CC) to compile
3490         gen-avr-mmcu-texi.c.
3492 2012-08-17  Richard Earnshaw  <rearnsha@arm.com>
3494         * arm.md (arm_addsi3): New variant for Thumb2 16-bit ADD instruction.
3495         * arm.c (thumb2_reorg): Don't convert an ADD instruction that's
3496         already 16 bits.
3498 2012-08-17  Richard Guenther  <rguenther@suse.de>
3500         * hash-table.h (class hash_table): Use a descriptor template
3501         argument instead of decomposed element type and support functions.
3502         (struct pointer_hash): New generic typed pointer-hash.
3503         (struct typed_free_remove, struct typed_noop_remove): Generic
3504         hash_table support pieces.
3505         * coverage.c (struct counts_entry): Add hash_table support members.
3506         * tree-ssa-ccp.c (gimple_htab): Use pointer_hash.
3507         * tree-ssa-coalesce.c (struct ssa_name_var_hash): New generic
3508         SSA name by SSA_NAME_VAR hash.
3509         (coalesce_ssa_name): Use it.
3510         * tree-ssa-pre.c (struct pre_expr_d): Add hash_table support.
3511         (expression_to_id): Adjust.
3512         (struct expr_pred_trans_d): Add hash_table support.
3513         (phi_translate_table): Adjust.
3514         (phi_trans_lookup): Likewise.
3515         (phi_trans_add): Likewise.
3516         (do_regular_insertion): Likewise.
3517         * tree-ssa-tail-merge.c (struct same_succ_def): Add hash_table support.
3518         (same_succ_htab): Adjust.
3519         (find_same_succ_bb): Likewise.
3520         (find_same_succ): Likewise.
3521         (update_worklist): Likewise.
3522         * tree-ssa-threadupdate.c (struct redirection_data): Add hash_table
3523         support.
3524         (redirection_data): Adjust.
3526 2012-08-17  Richard Guenther  <rguenther@suse.de>
3528         * params.def (integer-share-limit): Decrease from 256 to 251,
3529         add rationale.
3531 2012-08-17  Richard Guenther  <rguenther@suse.de>
3533         * tree-sra.c (modify_function): Free redirect_callers vector.
3534         * ipa-split.c (split_function): Free args_to_pass vector.
3535         * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Free
3536         body_cost_vec properly.
3537         (vect_enhance_data_refs_alignment): Likewise.
3538         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
3539         vec_oprnds.
3540         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
3541         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
3542         (vect_analyze_slp_instance): Free everything.
3543         (destroy_bb_vec_info): Free the SLP instances.
3545 2012-08-17  Iain Sandoe  <iain@codesourcery.com>
3547         * config/rs6000/rs6000.c (macho_branch_islands): Adjust for changes
3548         to vec.h.
3550 2012-08-17  Jakub Jelinek  <jakub@redhat.com>
3552         * doc/invoke.texi (-Wsizeof-pointer-memaccess): Document.
3554 2012-08-16  Sandra Loosemore  <sandra@codesourcery.com>
3556         * config/mips/mips-dsp.md (mips_dpau_h_qbl, mips_dpau_h_qbr)
3557         (mips_dpsu_h_qbl, mips_dpsu_h_qbr, mips_dpaq_s_w_ph)
3558         (mips_dpsq_s_w_ph, mips_mulsaq_s_w_ph, mips_dpaq_sa_l_w)
3559         (mips_dpsq_sa_l_w, mips_maq_s_w_phl, mips_maq_s_w_phr)
3560         (mips_maq_sa_w_phl, mips_maq_sa_w_phr): Add accum_in attribute.
3562 2012-08-16  Oleg Endo  <olegendo@gcc.gnu.org>
3564         PR target/54236
3565         * config/sh/sh.md (addc): Add commutative modifier.
3566         (*addc, *minus_plus_one, *subc, *negc): New insns and splits.
3568 2012-08-16  Oleg Endo  <olegendo@gcc.gnu.org>
3570         PR target/39423
3571         * config/sh/sh.md (*movsi_index_disp, *movhi_index_disp): Handle
3572         potential T_REG clobber.  Convert zero extending split to
3573         insn_and_split.
3575 2012-08-16  Oleg Endo  <olegendo@gcc.gnu.org>
3577         PR target/54089
3578         * config/sh/sh.md (ashlsi3_d): Do not split if it would result
3579         in a T_REG clobber.  Correct comment.
3580         (ashlsi3_n): Correct comment.
3582 2012-08-16  Hans-Peter Nilsson  <hp@axis.com>
3584         PR middle-end/54261
3585         * optabs.c (expand_atomic_fetch_op): Save and restore code when
3586         retrying after failed attempt.
3588 2012-08-16  Yuri Rumyantsev  <ysrumyan@gmail.com>
3590         * config/i386/i386-protos.h (ix86_split_lea_for_addr) : Add
3591         additional argument.
3592         * config/i386/i386.md (ix86_split_lea_for_addr) : Add
3593         additional argument curr_insn.
3594         * config/i386/i386.c (ix86_split_lea_for_addr): Load base or index
3595         register first, depending on their defintion distances.
3596         (ix86_lea_outperforms): Prefer LEA only if split cost exceeds
3597         AGU stall.
3598         (find_nearest_reg-def): New function. Find register with
3599         nearest definition.
3601 2012-08-16  Walter Lee  <walt@tilera.com>
3603         * config.gcc (tilegx-*-linux*): Add feedback.h.
3604         (tilepro-*-linux*): Likewise.
3605         * config/tilegx/feedback.h: New file.
3606         * config/tilepro/feedback.h: New file.
3608 2012-08-16  Diego Novillo  <dnovillo@google.com>
3610         Revert
3612         PR bootstrap/54281
3613         * double-int.h: Move including of gmp.h ...
3614         * system.h: ... here.
3615         * realmpfr.h: Do not include gmp.h.
3616         * tree-ssa-loop-niter.c: Do not include gmp.h.
3618 2012-08-16  Segher Boessenkool  <segher@kernel.crashing.org>
3620         * config/rs6000/darwin.h (TARGET_IEEE_QUAD): Fix comment.
3622 2012-08-16  Richard Guenther  <rguenther@suse.de>
3624         PR middle-end/54146
3625         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
3626         exit vector.
3627         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
3628         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
3629         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
3630         * tree-into-ssa.c (get_ssa_name_ann): Allocate info only when needed.
3631         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
3632         (tree_ssa_lim_finalize): Free all mem_refs.
3633         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
3634         scc when bailing out.
3635         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
3636         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
3637         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
3638         FOR_EACH_LOOP_BREAK.
3640 2012-08-16  Diego Novillo  <dnovillo@google.com>
3642         PR bootstrap/54281
3643         * double-int.h: Move including of gmp.h ...
3644         * system.h: ... here.
3645         * realmpfr.h: Do not include gmp.h.
3646         * tree-ssa-loop-niter.c: Do not include gmp.h.
3648 2012-08-16  Steven Bosscher  <steven@gcc.gnu.org>
3650         PR middle-end/54146
3651         * tree-flow.h (compute_global_livein): Remove prototype.
3652         * tree-into-ssa.c (compute_global_livein): Remove function.
3653         * tree-ssa-loop-manip.c: Include gimple-pretty-print.h.
3654         (find_sibling_superloop): New function.
3655         (compute_live_loop_exits): New function.
3656         (add_exit_phis_edge): Rename to add_exit_phi.  Do not allow
3657         inserting a PHI in a block that is not a loop exit for VAR.
3658         Add dumping if TDF_DETAILS.
3659         (add_exit_phis_var): Rewrite.
3660         (add_exit_phis): Update.
3661         (get_loops_exits): Rewrite to return an array of per-loop exits
3662         rather than one bitmap with all loop exits.
3663         (find_uses_to_rename_bb): Ignore virtual PHI nodes.
3664         (rewrite_into_loop_closed_ssa): Update.
3666 2012-08-16  Nick Clifton  <nickc@redhat.com>
3668         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Cast _ascii_bytes
3669         before passing it to ASM_OUTPUT_LIMITED_STRING.
3671         * config/bfin/bfin.c (hwloop_optimize): Fix use of VEC_last macro.
3673         * config/avr/t-avr: Replace occurrences of $(CC) with $(COMPILER).
3674         * config/avr/avr.c (avr_legitimize_reload_address): Add casts
3675         for reload_type enums.
3676         (DEF_BUILTIN): Cast the icode to enum insn_code.
3678 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
3680         * config/rs6000/aix43.h (ASM_CPU_SPEC): Use %(asm_default)
3681         instead of -mppc.
3682         * config/rs6000/aix51.h (ASM_CPU_SPEC): Ditto.
3684 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
3686         * config/rs6000/aix43.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
3687         (RS6000_CALL_GLUE): Adjust for single assembler syntax.
3688         * config/rs6000/aix51.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
3689         * config/rs6000/aix52.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
3690         * config/rs6000/aix53.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
3691         * config/rs6000/aix61.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
3692         * config/rs6000/darwin.h (TARGET_DEFAULT): Ditto.
3693         * config/rs6000/darwin.md (whole file): Adjust to single
3694         assembler syntax.
3695         * config/rs6000/darwin64.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
3696         * config/rs6000/default64.h (TARGET_DEFAULT): Ditto.
3697         * config/rs6000/dfp.md: (whole file): Adjust to single
3698         assembler syntax.
3699         * config/rs6000/eabi.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
3700         * config/rs6000/eabialtivec.h (TARGET_DEFAULT): Ditto.
3701         * config/rs6000/eabispe.h (TARGET_DEFAULT): Ditto.
3702         * config/rs6000/linuxaltivec.h (TARGET_DEFAULT): Ditto.
3703         * config/rs6000/linuxspe.h (TARGET_DEFAULT): Ditto.
3704         * config/rs6000/rs6000-cpus.def (whole file): Delete POWERPC_BASE_MASK.
3705         * config/rs6000/rs6000-tables.opt: Regenerate.
3706         * config/rs6000/rs6000.c (POWERPC_BASE_MASK): Delete.
3707         (num_insns_constant_wide): Adjust comments.
3708         (whole file): Adjust to single assembler syntax.
3709         (output_cbranch): Adjust comment.
3710         * config/rs6000/rs6000.h (ASSEMBLER_DIALECT): Delete.
3711         * config/rs6000/rs6000.md: (whole file): Adjust to single
3712         assembler syntax.
3713         * config/rs6000/rs6000.opt (mnew-mnemonics): Delete.
3714         (mold-mnemonics): Delete.
3715         * config/rs6000/spe.md: (whole file): Adjust to single
3716         assembler syntax.
3717         * config/rs6000/sync.md: (whole file): Adjust to single
3718         assembler syntax.
3719         * config/rs6000/sysv4.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
3720         (ASM_OUTPUT_REG_PUSH): Adjust.
3721         (ASM_OUTPUT_REG_POP): Adjust.
3722         * config/rs6000/sysv4le.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
3723         * config/rs6000/vsx.md: (whole file): Adjust to single
3724         assembler syntax.
3725         * config/rs6000/vxworks.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
3726         * doc/invoke.texi: Adjust documentation to reflect the
3727         removal of -mnew-mnemonics and -mold-mnemonics.
3729 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
3731         * common/config/rs6000/rs6000-common.c (rs6000_handle_option):
3732         Delete handling for -mno-powerpc and -mpowerpc.
3733         * config/rs6000/aix43.h (ASM_CPU_SPEC): Similar.
3734         (ASM_DEFAULT_SPEC): Use -mppc instead of -mcom.
3735         * config/rs6000/aix51.h (ASM_CPU_SPEC, ASM_DEFAULT_SPEC): Ditto.
3736         * config/rs6000/aix52.h (TARGET_DEFAULT): Delete MASK_POWERPC.
3737         * config/rs6000/aix53.h (TARGET_DEFAULT): Ditto.
3738         * config/rs6000/aix61.h (TARGET_DEFAULT): Ditto.
3739         * config/rs6000/darwin.h (TARGET_DEFAULT): Ditto.
3740         * config/rs6000/darwin64.h (TARGET_DEFAULT): Ditto.
3741         * config/rs6000/default64.h (TARGET_DEFAULT): Ditto.
3742         * config/rs6000/driver-rs6000.c (asm_names): Delete handling
3743         for -mcpu=common and -mpowerpc.
3744         * config/rs6000/eabi.h (TARGET_DEFAULT): Delete MASK_POWERPC.
3745         * config/rs6000/eabialtivec.h (TARGET_DEFAULT): Ditto.
3746         * config/rs6000/eabispe.h (TARGET_DEFAULT): Ditto.
3747         * config/rs6000/linuxaltivec.h (TARGET_DEFAULT): Ditto.
3748         * config/rs6000/linuxspe.h (TARGET_DEFAULT): Ditto.
3749         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING):
3750         Use RS6000_BTM_ALWAYS instead of RS6000_BTM_POWERPC.
3751         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
3752         (rs6000_cpu_cpp_builtins): Adjust.
3753         * config/rs6000/rs6000.c (POWERPC_BASE_MASK): Delete MASK_POWERPC.
3754         (rs6000_builtin_mask_calculate): Adjust.
3755         (rs6000_emit_move): Delete code for ! TARGET_POWERPC.
3756         (rs6000_init_libfuncs): Ditto.
3757         (rs6000_output_function_prologue): Ditto.
3758         (rs6000_opt_masks): Delete MASK_POWERPC.
3759         (rs6000_builtin_mask_names): Delete RS6000_BTM_POWERPC.
3760         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Delete handling for -mpowerpc.
3761         (RS6000_BTM_POWERPC): Delete.
3762         (RS6000_BTM_COMMON): Delete RS6000_BTM_POWERPC.
3763         * config/rs6000/rs6000.md (extendqisi2 patterns): Adjust for
3764         TARGET_POWERPC always on.
3765         (extendqihi2 patterns): Similar.
3766         (various unnamed subtract patterns): Similar.
3767         (bswaphi2 patterns): Similar.
3768         (divmodsi4): Similar.
3769         (udiv<GPR:mode>3): Similar.
3770         (div<GPR:mode>3 patterns): Similar.
3771         (udivmodsi4): Similar.
3772         (mulhcall): Delete.
3773         (mullcall): Delete.
3774         (divss_call): Delete.
3775         (divus_call): Delete.
3776         (quoss_call): Delete.
3777         (quous_call): Delete.
3778         (insvsi patterns): Adjust.
3779         (addsf3 patterns): Adjust.
3780         (subsf3 patterns): Adjust.
3781         (mulsf3 patterns): Adjust.
3782         (divsf3 patterns): Adjust.
3783         (*fmasf4_fpr): Adjust.
3784         (*fmssf4_fpr): Adjust.
3785         (*nfmasf4_fpr): Adjust.
3786         (*nfmssf4_fpr): Adjust.
3787         (*floatunssidf2_internal): Adjust.
3788         (fix_trunc<SFDF:mode>si2_internal): Adjust.
3789         (fctiwz_<SFDF:mode>): Adjust.
3790         (mulsidi3 patterns): Adjust.
3791         (smulsi3_highpart patterns): Adjust.
3792         (umulsi3_highpart patterns): Adjust.
3793         (fix_trunctfsi2 patterns): Adjust.
3794         (prefetch): Adjust.
3795         * config/rs6000/rs6000.opt (mpowerpc): Replace by stub option.
3796         (mno-powerpc): Delete.
3797         * config/rs6000/sync.md (load_locked<ATOMIC:mode>): Adjust.
3798         (store_conditional<ATOMIC:mode>): Adjust.
3799         (atomic_compare_and_swap<ATOMIC:mode>): Adjust.
3800         (atomic_exchange<ATOMIC:mode>): Adjust.
3801         (atomic_<fetchop_name><ATOMIC:mode>): Adjust.
3802         (atomic_nand<ATOMIC:mode>): Adjust.
3803         (atomic_fetch_<fetchop_name><ATOMIC:mode>): Adjust.
3804         (atomic_fetch_nand<ATOMIC:mode>): Adjust.
3805         (atomic_<fetchop_name>_fetch<ATOMIC:mode>): Adjust.
3806         (atomic_nand_fetch<ATOMIC:mode>): Adjust.
3807         * config/rs6000/sysv4.h (TARGET_DEFAULT): Delete MASK_POWERPC.
3808         * config/rs6000/sysv4le.h (TARGET_DEFAULT): Ditto.
3809         * config/rs6000/vxworks.h (TARGET_DEFAULT): Ditto.
3810         * doc/invoke.texi: Adjust documentation.
3812 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
3814         * config/rs6000/rs6000.h (RS6000_BTM_ALWAYS): New.
3816 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
3818         * config/rs6000/aix52.h (ASM_CPU_SPEC): Fix typo.
3819         * config/rs6000/aix53.h (ASM_CPU_SPEC): Ditto.
3820         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
3821         * config/rs6000/driver-rs6000.c (asm_names): Ditto.
3823 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
3825         PR target/54142
3826         * config/rs6000/driver-rs6000.c (asm_names): Use %(asm_default)
3827         instead of -mcom.
3828         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Ditto.
3830 2012-08-15  Sandra Loosemore  <sandra@codesourcery.com>
3831             Maxim Kuvyrkov  <maxim@codesourcery.com>
3832             Julian Brown  <julian@codesourcery.com>
3833             MIPS Technologies, Inc.
3835         * config/mips/mips.md (dspmac, dspmacsat, accext, accmod, dspalu)
3836         (dspalusat): Add insn types.
3837         * config/mips/mips-dsp.md (add<DSPV:mode>3)
3838         (mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>)
3839         (sub<DSPV:mode>3, mips_sub<DSP:dspfmt1>_s_<DSP:dspfmt2>, mips_addsc)
3840         (mips_addwc, mips_modsub, mips_raddu_w_qb, mips_absq_s_<DSPQ:dspfmt2>)
3841         (mips_precrq_qb_ph, mips_precrq_ph_w, mips_precrq_rs_ph_w)
3842         (mips_precrqu_s_qb_ph, mips_preceq_w_phl, mips_preceq_w_phr)
3843         (mips_precequ_ph_qbl, mips_precequ_ph_qbr, mips_precequ_ph_qbla)
3844         (mips_precequ_ph_qbra, mips_preceu_ph_qbl, mips_preceu_ph_qbr)
3845         (mips_preceu_ph_qbla, mips_preceu_ph_qbra, mips_shll_<DSPV:dspfmt2>)
3846         (mips_shll_s_<DSPQ:dspfmt2>, mips_shll_s_<DSPQ:dspfmt2>, mips_shrl_qb)
3847         (mips_shra_ph, mips_shra_r_<DSPQ:dspfmt2>, mips_bitrev, mips_insv)
3848         (mips_repl_qb, mips_repl_ph)
3849         (mips_cmp<DSPV:dspfmt1_1>_eq_<DSPV:dspfmt2>)
3850         (mips_cmp<DSPV:dspfmt1_1>_lt_<DSPV:dspfmt2>)
3851         (mips_cmp<DSPV:dspfmt1_1>_le_<DSPV:dspfmt2>, mips_cmpgu_eq_qb)
3852         (mips_cmpgu_lt_qb, mips_cmpgu_le_qb, mips_pick_<DSPV:dspfmt2>)
3853         (mips_packrl_ph, mips_wrdsp, mips_rddsp): Change type to dspalu.
3854         (mips_dpau_h_qbl, mips_dpau_h_qbr, mips_dpsu_h_qbl, mips_dpsu_h_qbr)
3855         (mips_dpaq_s_w_ph, mips_dpsq_s_w_ph, mips_mulsaq_s_w_ph)
3856         (mips_maq_s_w_phl, mips_maq_s_w_phr, mips_maq_sa_w_phr): Set type to
3857         dspmac.
3858         (mips_dpaq_sa_l_w, mips_dpsq_sa_l_w, mips_maq_sa_w_phl): Set type to
3859         dspmacsat.
3860         (mips_extr_w, mips_extr_r_w, mips_extr_rs_w, mips_extp, mips_extpdp):
3861         Set type to accext.
3862         (mips_shilo, mips_mthlip): Set type to accmod.
3863         * config/mips/mips-dspr2.md (mips_absq_s_qb, mips_addu_s_ph)
3864         (mips_adduh_r_qb): Set type to dspalusat.
3865         (mips_addu_ph, mips_adduh_qb, mips_append, mips_balign)
3866         (mips_cmpgdu_eq_qb, mips_cmpgdu_lt_qb, mips_cmpgdu_le_qb)
3867         (mips_precr_qb_ph, mips_precr_sra_ph_w, mips_precr_sra_r_ph_w)
3868         (mips_prepend, mips_shra_qb, mips_shra_r_qb, mips_shrl_ph)
3869         (mips_subu_ph, mips_subuh_qb, mips_subuh_r_qb, mips_addqh_ph)
3870         (mips_addqh_r_ph, mips_addqh_w, mips_addqh_r_w, mips_subqh_ph)
3871         (mips_subqh_r_ph, mips_subqh_w, mips_subqh_r_w): Set type to dspalu.
3872         (mips_dpa_w_ph, mips_dps_w_ph, mips_mulsa_w_ph, mips_dpax_w_ph)
3873         (mips_dpsx_w_ph, mips_dpaqx_s_w_ph, mips_dpsqx_s_w_ph): Set type to
3874         dspmac.  Set accum_in attribute.
3875         (mips_subu_s_ph): Set type to dspalusat.
3876         (mips_dpaqx_sa_w_ph, mips_dpsqx_sa_w_ph): Set type to dspmacsat.
3877         Set accum_in attribute.
3878         * config/mips/mips-protos.h (mips_dspalu_bypass_p): Add prototype.
3879         * config/mips/mips.c (dspalu_bypass_table): New.
3880         (mips_dspalu_bypass_p): New.
3881         * config/mips/24k.md (r24k_dsp_alu, r24k_dsp_mac, r24k_dsp_mac_sat)
3882         (r24k_dsp_acc_ext, r24k_dsp_acc_mod): New insn reservations.
3883         (r24k_int_mult, r24k_int_mthilo, r24k_dsp_mac, r24k_dsp_mac_sat)
3884         (r24k_dsp_acc_ext, r24k_dsp_acc_mod, r24k_dsp_alu): New bypasses.
3885         * config/mips/74k.md (r74k_dsp_alu, r74k_dsp_alu_sat, r74k_dsp_mac)
3886         (r74k_dsp_mac_sat, r74k_dsp_acc_ext, r74k_dsp_acc_mod): New insn
3887         reservations.
3888         (r74k_dsp_mac, r74k_dsp_mac_sat, r74k_int_mult, r74k_int_mul3)
3889         (r74k_dsp_mac, r74k_dsp_mac_sat): New bypasses.
3891 2012-08-15  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3893         * config/spu/spu.c: Include "cfgloop.h".
3894         (spu_machine_dependent_reorg): Call loop_optimizer_init and
3895         loop_optimizer_finalize.  Use bb_loop_depth instead of loop_depth.
3896         Directly compare loop_father values where appropriate.
3897         * config/spu/t-spu-elf (spu.o): Update dependencies.
3899 2012-08-15  H.J. Lu  <hongjiu.lu@intel.com>
3901         * Makefile.in (tree-cfg.o): Also depend on $(TARGET_H).
3903 2012-08-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3905         PR tree-optimization/54245
3906         * gimple-ssa-strength-reduction.c (legal_cast_p_1): New function.
3907         (legal_cast_p): Split out logic to legal_cast_p_1.
3908         (analyze_increments): Avoid introducing multiplies in smaller types.
3910 2012-08-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3912         PR tree-optimization/54240
3913         * tree-ssa-phiopt.c (hoist_adjacent_loads): Correct test for
3914         existence of conditional move with given mode.
3916 2012-08-15  Richard Guenther  <rguenther@suse.de>
3918         * double-int.h (double_int::from_unsigned): Rename to ...
3919         (double_int::from_uhwi): ... this.
3920         (double_int::from_signed): Rename to ...
3921         (double_int::from_shwi): ... this.
3922         (double_int::to_signed): Rename to ...
3923         (double_int::to_shwi): ... this.
3924         (double_int::to_unsigned): Rename to ...
3925         (double_int::to_uhwi): ... this.
3926         (double_int::fits_unsigned): Rename to ...
3927         (double_int::fits_uhwi): ... this.
3928         (double_int::fits_signed): Rename to ...
3929         (double_int::fits_shwi): ... this.
3930         (double_int::fits): Rename to ...
3931         (double_int::fits_hwi): ... this.
3932         * double-int.c: Likewise.
3934 2012-08-15  Steven Bosscher  <steven@gcc.gnu.org>
3936         * timevar.def (TV_VARPOOL, TV_WHOPR_WPA_LTRANS_EXEC, TV_LIFE,
3937         TV_LIFE_UPDATE, TV_DF_UREC, TV_INLINE_HEURISTICS,
3938         TV_TREE_LINEAR_TRANSFORM, TV_TREE_LOOP_INIT, TV_TREE_LOOP_FINI,
3939         TV_VPT, TV_LOCAL_ALLOC, TV_GLOBAL_ALLOC, TV_SEQABSTR): Remove.
3940         (TV_IPA_INLINING, TV_FLATTEN_INLINING, TV_EARLY_INLINING,
3941         TV_INLINE_PARAMETERS, TV_LOOP_INIT, TV_LOOP_FINI): New.
3942         * timevar.c (timevar_print): Make printing width of timevar names
3943         more flexible, but enforce maximum length.
3944         * ipa-inline.c (pass_early_inline): Use TV_EARLY_INLINING.
3945         (pass_ipa_inline): Use TV_IPA_INLINING.
3946         * ipa-inline-analysis.c (pass_inline_parameters): Use
3947         TV_INLINE_HEURISTICS.
3948         * tree-ssa-loop.c (pass_tree_loop_init): No timevar for wrapper pass.
3949         (pass_tree_loop_done): Likewise.
3950         * final.c (pass_shorten_branches): Use TV_SHORTEN_BRANCH.
3951         * loop-init.c (loop_optimizer_init): Push/pop TV_LOOP_INIT.
3952         (loop_optimizer_finalize): Push/pop TV_LOOP_FINI.
3954 2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3956         * config/arm/neon.md (neon_vaba<mode> VDQIW): Canonicalize operands.
3957         (neon_vabal<mode> VDQIW): Likewise.
3959 2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3961         PR target/54212
3962         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
3963         mark as predicable. Adjust asm template.
3964         (vec_setv2di_internal): Likewise.
3965         (vec_extract<mode> VD, VQ): Likewise.
3966         (vec_extractv2di): Likewise.
3967         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
3968         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
3969         (neon_vdup_n<mode> VX, V32): Likewise.
3970         (neon_vdup_nv2di): Likewise.
3972 2012-08-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
3974         * config/mips/mips.md (define_attr accum_in): New instruction
3975         attribute.  Set it for imadd and fmadd patterns.
3976         * config/mips/mips.c (mips_linked_madd_p): Use accum_in to extract
3977         accumulator register.
3979 2012-08-14  Diego Novillo  <dnovillo@google.com>
3981         Merge from cxx-conversion branch.  Configury.
3983         * configure.ac (CXX_FOR_BUILD): Define and substitute.
3984         (BUILD_CXXFLAGS): Define.
3985         Remove all handlers of ENABLE_BUILD_WITH_CXX.
3986         Force all build to be with C++.
3987         * Makefile.in (BUILD_CXXFLAGS): Use it.
3988         Remove all handlers of ENABLE_BUILD_WITH_CXX.
3989         * configure: Regenerate.
3990         * config.in: Regenerate.
3991         * doc/install.texi: Remove documentation for --enable-build-with-cxx
3992         and --enable-build-poststage1-with-cxx.
3994 2012-08-14  Diego Novillo  <dnovillo@google.com>
3996         Merge from cxx-conversion branch.  Re-implement VEC in C++.
3998         * vec.c (vec_heap_free): Convert into a template function.
3999         (vec_gc_o_reserve_1): Make extern.
4000         (vec_gc_p_reserve): Remove.
4001         (vec_gc_p_reserve_exact): Remove.
4002         (vec_gc_o_reserve): Remove.
4003         (vec_gc_o_reserve_exact): Remove.
4004         (vec_heap_o_reserve_1): Make extern.
4005         (vec_heap_p_reserve): Remove.
4006         (vec_heap_p_reserve_exact): Remove.
4007         (vec_heap_o_reserve): Remove.
4008         (vec_heap_o_reserve_exact): Remove.
4009         (vec_stack_p_reserve): Remove.
4010         (vec_stack_p_reserve_exact): Remove.
4011         * vec.h (VEC_CHECK_INFO, VEC_CHECK_DECL, VEC_CHECK_PASS, VEC_ASSERT,
4012         VEC_ASSERT_FAIL, vec_assert_fail): Move earlier in the file.
4013         (VEC): Define to vec_t<T>.
4014         (vec_allocation_t): Define.
4015         (struct vec_prefix): Move earlier in the file.
4016         (vec_t<T>): New template.
4017         (DEF_VEC_I, DEF_VECL_ALLOC_I, DEF_VEC_P, DEF_VEC_ALLOC_P,
4018         DEF_VEC_O, DEF_VEC_ALLOC_P, DEF_VEC_O, DEF_VEC_ALLOC_O,
4019         DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_O_STACK,
4020         DEF_VEC_ALLOC_I_STACK): Expand to 'struct vec_swallow_trailing_semi'.
4021         (DEF_VEC_A): Provide template instantiations for
4022         GC/PCH markers that do not traverse the vector.
4023         (vec_stack_p_reserve): Remove.
4024         (vec_stack_p_reserve_exact): Remove.
4025         (vec_stack_p_reserve_exact_1): Remove.
4026         (vec_stack_o_reserve): Remove.
4027         (vec_stack_o_reserve_exact): Remove.
4028         (vec_stack_free): Re-write as a template function.
4029         (vec_reserve): New template function.
4030         (vec_reserve_exact): New template function.
4031         (vec_heap_free): New template function if GATHER_STATISTICS is
4032         defined.  Otherwise, macro that expands to free().
4033         (VEC_length_1): New template function.
4034         (VEC_length): Call it.
4035         (VEC_empty_1): New template function.
4036         (VEC_empty): Call it.
4037         (VEC_address_1): New template function.
4038         (VEC_address): Call it.
4039         (VEC_last_1): New template function.
4040         (VEC_last): Call it.  Change return type to T&.
4041         Change all users that used VEC_Os.
4042         (VEC_index_1): New template function.
4043         (VEC_index): Call it.  Return a T& instead of a T*.
4044         Update all callers that were using VEC_O before.
4045         (VEC_iterate_1): New template function.
4046         (VEC_iterate): Call it.
4047         (VEC_embedded_size_1): New template function.
4048         (VEC_embedded_size): Call it.
4049         (VEC_embedded_init_1): New template function.
4050         (VEC_embedded_init): Call it.
4051         (VEC_alloc_1): New template function.
4052         (VEC_alloc): Call it.  If A is 'stack', call XALLOCAVAR to
4053         do the allocation.
4054         (VEC_free_1): New template function.
4055         (VEC_free): Call it.
4056         (VEC_copy_1): New template function.
4057         (VEC_copy): Call it.
4058         (VEC_space_1): New template function
4059         (VEC_space): Call it.
4060         (VEC_reserve_1): New template function.
4061         (VEC_reserve): Call it.
4062         (VEC_reserve_exact_1): New template function.
4063         (VEC_reserve_exact): Call it.
4064         (VEC_splice_1): New template function.
4065         (VEC_splice): Call it.
4066         (VEC_safe_splice_1): New template function.
4067         (VEC_safe_splice): Call it.
4068         (VEC_quick_push_1): New template function.  Create two overloads, one
4069         accepting T, the other accepting T *.  Update all callers
4070         where T and T * are ambiguous.
4071         (VEC_quick_push): Call it.
4072         (VEC_safe_push_1): New template function. Create two overloads, one
4073         accepting T, the other accepting T *.  Update all callers
4074         where T and T * are ambiguous.
4075         (VEC_safe_push): Call it.
4076         (VEC_pop_1): New template function.
4077         (VEC_pop): Call it.
4078         (VEC_truncate_1): New template function.
4079         (VEC_truncate): Call it.
4080         (VEC_safe_grow_1): New template function.
4081         (VEC_safe_grow): Call it.
4082         (VEC_safe_grow_cleared_1): New template function.
4083         (VEC_safe_grow_cleared): Call it.
4084         (VEC_replace_1): New template function.
4085         (VEC_replace): Call it.  Always accept T instead of T*.
4086         Update all callers that used VEC_Os.
4087         (VEC_quick_insert_1): New template function.
4088         (VEC_quick_insert): Call it.
4089         (VEC_safe_insert_1): New template function.
4090         (VEC_safe_insert): Call it.
4091         (VEC_ordered_remove_1): New template function.
4092         (VEC_ordered_remove): Call it.
4093         (VEC_unordered_remove_1): New template function.
4094         (VEC_unordered_remove): Call it.
4095         (VEC_block_remove_1): New template function.
4096         (VEC_block_remove): Call it.
4097         (VEC_lower_bound_1): New template function.
4098         (VEC_lower_bound): Call it.
4099         (VEC_OP): Remove.
4100         (DEF_VEC_FUNC_P): Remove.
4101         (DEF_VEC_ALLOC_FUNC_P): Remove.
4102         (DEF_VEC_NONALLOC_FUNCS_P): Remove.
4103         (DEF_VEC_FUNC_O): Remove.
4104         (DEF_VEC_ALLOC_FUNC_O): Remove.
4105         (DEF_VEC_NONALLOC_FUNCS_O): Remove.
4106         (DEF_VEC_ALLOC_FUNC_I): Remove.
4107         (DEF_VEC_NONALLOC_FUNCS_I): Remove.
4108         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove.
4109         (DEF_VEC_ALLOC_FUNC_O_STACK): Remove.
4110         (DEF_VEC_ALLOC_FUNC_I_STACK): Remove.
4111         (vec_reserve_exact): New template function.
4113         * gengtype-lex.l (DEF_VEC_ALLOC_[IOP]/{EOID}): Remove.
4114         * gengtype-parse.c (token_names): Remove DEF_VEC_ALLOC_[IOP].
4115         (typedef_name): Emit vec_t<C1> instead of VEC_C1_C2.
4116         (def_vec_alloc): Remove.  Update all callers.
4117         * gengtype.c (filter_type_name): New.
4118         (output_mangled_typename): Call it.
4119         (write_func_for_structure): Likewise.
4120         (write_types): Likewise.
4121         (write_root): Likewise.
4122         (write_typed_alloc_def): Likewise.
4123         (note_def_vec): Emit vec_t<TYPE_NAME> instead of VEC_TYPE_NAME_base.
4124         (note_def_vec_alloc): Remove.
4125         * gengtype.h (note_def_vec_alloc): Remove.
4126         (DEFVEC_ALLOC): Remove token code.
4128         * df-scan.c (df_bb_verify): Remove call to df_free_collection_rec
4129         inside the insn traversal loop.
4130         * gimplify.c (gimplify_compound_lval): Rename STACK to EXPR_STACK.
4131         * ipa-inline.c (inline_small_functions): Rename HEAP to EDGE_HEAP.
4132         * reg-stack.c (stack): Rename to STACK_PTR.  Update all users.
4133         * tree-vrp.c (stack): Rename to EQUIV_STACK.  Update all users.
4135         * config/bfin/bfin.c (hwloop_optimize): Update some calls to
4136         VEC_* for vectors of non-pointers.
4137         * config/c6x/c6x.c (try_rename_operands): Likewise.
4138         (reshuffle_units): Likewise.
4139         * config/mips/mips.c (mips_multi_start): Likewise.
4140         (mips_multi_add): Likewise.
4141         (mips_multi_copy_insn): Likewise.
4142         (mips_multi_set_operand): Likewise.
4143         * hw-doloop.c (discover_loop): Likewise.
4144         (discover_loops): Likewise.
4145         (reorg_loops): Likewise.
4147 2012-08-14  Diego Novillo  <dnovillo@google.com>
4149         Merge from cxx-conversion branch.  C++ support in gengtype.
4151         * coretypes.h (gt_pointer_operator): Move from ...
4152         * ggc.h: ... here.
4153         * doc/gty.texi: Document support for C++ templates and
4154         user-provided markers.
4155         * gcc/gengtype-lex.l: Update copyright year.
4156         Remove support for recognizing DEF_VEC_O, DEF_VEC_P and DEFVEC_I.
4157         * gengtype-parse.c: Update copyright year.
4158         (token_names): Remove DEF_VEC_O, DEF_VEC_P and DEF_VEC_I.
4159         (require_template_declaration): New.
4160         (typedef_name): Call it.
4161         (type): Replace IS_UNION with KIND. Replace all users.
4162         (def_vec): Remove.  Update all users.
4163         * gengtype-state.c (type_lineloc): Handle TYPE_USER_STRUCT.
4164         (write_state_user_struct_type): New.
4165         (write_state_type): Call it.
4166         (read_state_user_struct_type): New.
4167         (read_state_type): Call it.
4168         * gengtype.c: Update copyright year.
4169         (dump_pair): Move declaration to the top.
4170         (dump_type): Likewise.
4171         (dump_type_list): Likewise.
4172         (dbgprint_count_type_at): Handle TYPE_USER_STRUCT.
4173         (create_user_defined_type): New.
4174         (resolve_typedef): Call it.
4175         (new_structure): Replace argument ISUNION with KIND.
4176         Change users to refer to KIND directly.
4177         Update all callers.
4178         (find_structure): Likewise.
4179         (set_gc_used_type): Handle TYPE_USER_STRUCT.
4180         (create_file): Update HDR to include new copyright year.
4181         (struct walk_type_data): Add field IN_PTR_FIELD.
4182         (output_mangled_typename): Handle TYPE_USER_STRUCT.
4183         (walk_type): Set D->IN_PTR_FIELD when walking a TYPE_POINTER.
4184         Clear it afterwards.
4185         Handle TYPE_USER_STRUCT.
4186         (write_types_process_field): Handle TYPE_USER_STRUCT.
4187         (get_type_specifier): Move earlier in the file.
4188         (write_type_decl): New.
4189         (write_marker_function_name): New.
4190         (write_user_func_for_structure_ptr): New.
4191         (write_user_func_for_structure_body): New.
4192         (write_user_marking_functions): New.
4193         (write_func_for_structure): Call write_marker_function_name
4194         and write_type_decl.
4195         Do not call walk_type for TYPE_USER_STRUCT. Emit a call to the user
4196         function directly.
4197         Call write_user_marking_functions on TYPE_USER_STRUCTs.
4198         (write_types_local_user_process_field): New.
4199         (write_pch_user_walking_for_structure_body): New.
4200         (write_pch_user_walking_functions): New.
4201         (write_types_local_process_field): Handle TYPE_USER_STRUCT.
4202         (write_local_func_for_structure): Do not call walk_type for
4203         TYPE_USER_STRUCT. Instead, emit the call to gt_pch_nx directly.
4204         Call write_pch_user_walking_functions for TYPE_USER_STRUCTs.
4205         (write_root): Handle TYPE_USER_STRUCT.
4206         (vec_prefix_type): Remove.  Update all users.
4207         (note_def_vec): Remove.  Update all users.
4208         (dump_typekind): Handle TYPE_USER_STRUCT.
4209         (dump_type): Initialize SEEN_TYPES, if needed.
4210         Handle TYPE_USER_STRUCT.
4211         (dump_everything): Do not initialize SEEN_TYPES.
4212         * gengtype.h: Update copyright year.
4213         (enum typekind): Add TYPE_USER_STRUCT.
4214         (union_or_struct_p): Rename from UNION_OR_STRUCT_P.
4215         Convert into function.
4216         Add an overload taking const_type_p.
4217         Update all callers.
4218         (new_structure): Change second field to type enum typekind.
4219         Update all users.
4220         (find_structure): Likewise.
4221         (note_def_vec): Remove.
4222         (DEFVEC_OP): Remove.
4223         (DEFVEC_I): Remove.
4224         * ggc-page.c (gt_ggc_mx): Add entry points for marking
4225         'const char *&', 'unsigned char *&' and 'unsigned char&'.
4226         * ggc-zone.c (gt_ggc_mx): Add entry points for marking
4227         'const char *&' and 'unsigned char *&'.
4228         * stringpool.c (gt_pch_nx): Add entry points for marking
4229         'const char *&', 'unsigned char *&' and 'unsigned char&'.
4230         Add an entry point for the overload taking arguments 'unsigned char
4231         *', 'gt_pointer_operator' and 'void *'.
4232         * vec.h (struct vec_prefix): Remove GTY marker.
4233         (struct vec_t): Remove GTY((length)) attribute from field 'vec'.
4234         (gt_ggc_mx (vec_t<T> *)): New template function.
4235         (gt_pch_nx (vec_t<T> *)): New template function.
4236         (gt_pch_nx (vec_t<T *> *, gt_pointer_operator, void *)): New template
4237         function.
4238         (gt_pch_nx (vec_t<T> *, gt_pointer_operator, void *)): New template
4239         function.
4241         * basic-block.h (struct edge_def): Mark GTY((user)).
4242         Remove all GTY markers from fields.
4243         (gt_ggc_mx): Declare.
4244         (gt_pch_nx): Declare.
4245         * tree-cfg.c (gt_ggc_mx): New.
4246         (gt_pch_nx): New.
4248         * gengtype-lex.l (USER_GTY): Add pattern for "user".
4249         * gengtype-parse.c (option): Handle USER_GTY.
4250         (opts_have): New.
4251         (type): Call it.
4252         If the keyword 'user' is used, do not walk the fields
4253         of the structure.
4254         * gengtype.h (USER_GTY): Add.
4255         * doc/gty.texi: Update.
4257 2012-08-14  Lawrence Crowl  <crowl@google.com>
4259         Merge cxx-conversion branch.  Implement C++ hash table.
4261         * hash-table.h: New. Implementation borrowed from libiberty/hashtab.c.
4262         * hash-table.c: Likewise.
4263         * tree-ssa-tail-merge.c: Include hash-table.h instead of hashtab.h.
4264         (static htab_t same_succ_htab): Change type to hash_table;
4265         move specification of helper functions from create call to declaration.
4266         Change users to invoke member functions.
4267         (same_succ_print_traverse): Make extern ssa_.... Change callers.
4268         Remove void* casting.
4269         (same_succ_hash): Likewise.
4270         (same_succ_equal): Likewise.
4271         (same_succ_delete): Likewise.
4272         * tree-ssa-threadupdate.c: Include hash-table.h.
4273         (struct local_info): Rename to ssa_local_info_t to avoid overloading
4274         the type name local_info with the variable name local_info.
4275         (static htab_t redirection_data): Change type to hash_table.
4276         Move specification of helper functions from create call to declaration.
4277         Change users to invoke member functions.
4278         (redirection_data_hash): Make extern ssa_.... Change callers.
4279         Remove void* casting.
4280         (redirection_data_eq): Likewise.
4281         (fix_duplicate_block_edges): Likewise.
4282         (create_duplicates): Likewise.
4283         (fixup_template_block): Likewise.
4284         (redirect_edges): Likewise.
4285         (lookup_redirection_data): Change types associated with the hash table
4286         from void* to their actual type. Remove unnecessary casts.
4287         * tree-ssa-ccp.c: Include hash-table.h.
4288         (typedef gimple_htab): New.  Uses hash_table.  Replace specific uses
4289         of htab_t with gimple_htab.  Change users to invoke member functions.
4290         Move specification of helper functions from create call to declaration.
4291         * tree-ssa-coalesce.c: Include hash-table.h instead of hashtab.h.
4292         (hash_ssa_name_by_var): Make extern. Remove void* casting.
4293         (eq_ssa_name_by_var): Likewise.
4294         (coalesce_ssa_name): Change type of local static htab_t ssa_name_hash
4295         to hash_table. Change users to invoke member functions.
4296         Move specification of helper functions from create call to declaration.
4297         * coverage.c: Include hash-table.h instead of hashtab.h.
4298         (static htab_t counts_hash): Change type to hash_table;
4299         move specification of helper functions from create call to declaration.
4300         Change users to invoke member functions.
4301         (htab_counts_entry_hash): Make extern. Rename with coverage_... instead
4302         of htab_... Remove void* casting.
4303         (htab_counts_entry_eq): Likewise.
4304         (htab_counts_entry_del): Likewise.
4305         * tree-ssa-pre.c: Include hash-table.h instead of hashtab.h.
4306         (static htab_t expression_to_id): Change type to hash_table.
4307         Move specification of helper functions from create call to declaration.
4308         Change users to invoke member functions.
4309         (static htab_t phi_translate_table): Likewise.
4310         (pre_expr_eq): Make extern ssa_.... Change callers.
4311         Remove void* casting.
4312         (pre_expr_hash): Likewise.
4313         (expr_pred_trans_hash): Likewise.
4314         (expr_pred_trans_eq): Likewise.
4315         (alloc_expression_id): Change types associated with the hash table
4316         from void* to their actual type. Remove unnecessary casts.
4317         (lookup_expression_id): Likewise.
4318         (phi_trans_lookup): Likewise.
4319         (phi_trans_add): Likewise.
4320         * stringpool.c: Rename uses of libcpp typedef hash_table to
4321         cpp_hash_table.
4322         * Makefile.in: Add hash-table.o to OBJS-libcommon-target.
4323         Add $(HASH_TABLE_H). Add new dependences on $(HASH_TABLE_H).
4325 2012-08-14  Lawrence Crowl  <crowl@google.com>
4327         Merge from cxx-conversion branch.  Re-write double_int in C++.
4329         * hash-table.h
4330         (typedef double_int): Change to struct (POD).
4331         (double_int::make): New overloads for int to double-int conversion.
4332         (double_int::mask): New.
4333         (double_int::max_value): New.
4334         (double_int::min_value): New.
4335         (double_int::operator ++): New.
4336         (double_int::operator --): New.
4337         (double_int::operator *=): New.
4338         (double_int::operator +=): New.
4339         (double_int::operator -=): New.
4340         (double_int::to_signed): New.
4341         (double_int::to_unsigned): New.
4342         (double_int::fits_unsigned): New.
4343         (double_int::fits_signed): New.
4344         (double_int::fits): New.
4345         (double_int::trailing_zeros): New.
4346         (double_int::popcount): New.
4347         (double_int::multiple_of): New.
4348         (double_int::set_bit): New.
4349         (double_int::mul_with_sign): New.
4350         (double_int::operator * (binary)): New.
4351         (double_int::operator + (binary)): New.
4352         (double_int::operator - (binary)): New.
4353         (double_int::operator - (unary)): New.
4354         (double_int::operator ~ (unary)): New.
4355         (double_int::operator & (binary)): New.
4356         (double_int::operator | (binary)): New.
4357         (double_int::operator ^ (binary)): New.
4358         (double_int::and_not): New.
4359         (double_int::lshift): New.
4360         (double_int::rshift): New.
4361         (double_int::alshift): New.
4362         (double_int::arshift): New.
4363         (double_int::llshift): New.
4364         (double_int::lrshift): New.
4365         (double_int::lrotate): New.
4366         (double_int::rrotate): New.
4367         (double_int::div): New.
4368         (double_int::sdiv): New.
4369         (double_int::udiv): New.
4370         (double_int::mod): New.
4371         (double_int::smod): New.
4372         (double_int::umod): New.
4373         (double_int::divmod): New.
4374         (double_int::sdivmod): New.
4375         (double_int::udivmod): New.
4376         (double_int::ext): New.
4377         (double_int::zext): New.
4378         (double_int::sext): New.
4379         (double_int::is_zero): New.
4380         (double_int::is_one): New.
4381         (double_int::is_minus_one): New.
4382         (double_int::is_negative): New.
4383         (double_int::cmp): New.
4384         (double_int::ucmp): New.
4385         (double_int::scmp): New.
4386         (double_int::ult): New.
4387         (double_int::ugt): New.
4388         (double_int::slt): New.
4389         (double_int::sgt): New.
4390         (double_int::max): New.
4391         (double_int::smax): New.
4392         (double_int::umax): New.
4393         (double_int::min): New.
4394         (double_int::smin): New.
4395         (double_int::umin): New.
4396         (double_int::operator ==): New.
4397         (double_int::operator !=): New.
4398         (shwi_to_double_int): Change implementation to use member function.
4399         (double_int_minus_one): Likewise.
4400         (double_int_zero): Likewise.
4401         (double_int_one): Likewise.
4402         (double_int_two): Likewise.
4403         (double_int_ten): Likewise.
4404         (uhwi_to_double_int): Likewise.
4405         (double_int_to_shwi): Likewise.
4406         (double_int_to_uhwi): Likewise.
4407         (double_int_fits_in_uhwi_p): Likewise.
4408         (double_int_fits_in_shwi_p): Likewise.
4409         (double_int_fits_in_hwi_p): Likewise.
4410         (double_int_mul): Likewise.
4411         (double_int_mul_with_sign): Likewise.
4412         (double_int_add): Likewise.
4413         (double_int_sub): Likewise.
4414         (double_int_neg): Likewise.
4415         (double_int_div): Likewise.
4416         (double_int_sdiv): Likewise.
4417         (double_int_udiv): Likewise.
4418         (double_int_mod): Likewise.
4419         (double_int_smod): Likewise.
4420         (double_int_umod): Likewise.
4421         (double_int_divmod): Likewise.
4422         (double_int_sdivmod): Likewise.
4423         (double_int_udivmod): Likewise.
4424         (double_int_multiple_of): Likewise.
4425         (double_int_setbit): Likewise.
4426         (double_int_ctz): Likewise.
4427         (double_int_not): Likewise.
4428         (double_int_ior): Likewise.
4429         (double_int_and): Likewise.
4430         (double_int_and_not): Likewise.
4431         (double_int_xor): Likewise.
4432         (double_int_lshift): Likewise.
4433         (double_int_rshift): Likewise.
4434         (double_int_lrotate): Likewise.
4435         (double_int_rrotate): Likewise.
4436         (double_int_cmp): Likewise.
4437         (double_int_scmp): Likewise.
4438         (double_int_ucmp): Likewise.
4439         (double_int_max): Likewise.
4440         (double_int_smax): Likewise.
4441         (double_int_umax): Likewise.
4442         (double_int_min): Likewise.
4443         (double_int_smin): Likewise.
4444         (double_int_umin): Likewise.
4445         (double_int_ext): Likewise.
4446         (double_int_sext): Likewise.
4447         (double_int_zext): Likewise.
4448         (double_int_mask): Likewise.
4449         (double_int_max_value): Likewise.
4450         (double_int_min_value): Likewise.
4451         (double_int_zero_p): Likewise.
4452         (double_int_one_p): Likewise.
4453         (double_int_minus_one_p): Likewise.
4454         (double_int_equal_p): Likewise.
4455         (double_int_popcount): Likewise.
4456         * hash-table.c
4457         (double_int_mask): Reuse implementation for double_int::mask.
4458         (double_int_max_value): Likewise.
4459         (double_int_min_value): Likewise.
4460         (double_int_ext): Likewise.
4461         (double_int_zext): Likewise.
4462         (double_int_sext): Likewise.
4463         (double_int_mul_with_sign): Likewise.
4464         (double_int_divmod): Likewise.
4465         (double_int_sdivmod): Likewise.
4466         (double_int_udivmod): Likewise.
4467         (double_int_div): Likewise.
4468         (double_int_sdiv): Likewise.
4469         (double_int_udiv): Likewise.
4470         (double_int_mod): Likewise.
4471         (double_int_smod): Likewise.
4472         (double_int_umod): Likewise.
4473         (double_int_multiple_of): Likewise.
4474         (double_int_lshift): Likewise.
4475         (double_int_rshift): Likewise.
4476         (double_int_lrotate): Likewise.
4477         (double_int_rrotate): Likewise.
4478         (double_int_cmp): Likewise.
4479         (double_int_ucmp): Likewise.
4480         (double_int_scmp): Likewise.
4481         (double_int_max): Likewise.
4482         (double_int_smax): Likewise.
4483         (double_int_umax): Likewise.
4484         (double_int_min): Likewise.
4485         (double_int_smin): Likewise.
4486         (double_int_umin): Likewise.
4487         (double_int_min): Likewise.
4488         (double_int_min): Likewise.
4489         (double_int_min): Likewise.
4490         (double_int_min): Likewise.
4491         (double_int_min): Likewise.
4492         (double_int_min): Likewise.
4493         (double_int::alshift): New.
4494         (double_int::arshift): New.
4495         (double_int::llshift): New.
4496         (double_int::lrshift): New.
4497         (double_int::ult): New.
4498         (double_int::ugt): New.
4499         (double_int::slt): New.
4500         (double_int::sgt): New.
4501         (double_int_setbit): Reuse implementation for double_int::set_bit,
4502         which avoids a name conflict with a macro.
4503         (double_int_double_int_ctz): Reuse implementation for
4504         double_int::trailing_zeros.
4505         (double_int_fits_in_shwi_p): Reuse implementation for
4506         double_int::fits_signed.
4507         (double_int_fits_in_hwi_p): Reuse implementation for double_int::fits.
4508         (double_int_mul): Reuse implementation for binary
4509         double_int::operator *.
4510         (double_int_add): Likewise.
4511         (double_int_sub): Likewise.
4512         (double_int_neg): Reuse implementation for unary
4513         double_int::operator -.
4514         (double_int_max_value): Likewise.
4515         * fixed-value.c: Change to use member functions introduced above.
4517 2012-08-14  Lawrence Crowl  <crowl@google.com>
4519         Merge cxx-conversion branch.  Support tree macro calling from gdb.
4521         * tree.h (tree_check): New.
4522         (TREE_CHECK): Use inline function above instead of __extension__.
4523         (tree_not_check): New.
4524         (TREE_NOT_CHECK): Use inline function above instead of __extension__.
4525         (tree_check2): New.
4526         (TREE_CHECK2): Use inline function above instead of __extension__.
4527         (tree_not_check2): New.
4528         (TREE_NOT_CHECK2): Use inline function above instead of __extension__.
4529         (tree_check3): New.
4530         (TREE_CHECK3): Use inline function above instead of __extension__.
4531         (tree_not_check3): New.
4532         (TREE_NOT_CHECK3): Use inline function above instead of __extension__.
4533         (tree_check4): New.
4534         (TREE_CHECK4): Use inline function above instead of __extension__.
4535         (tree_not_check4): New.
4536         (TREE_NOT_CHECK4): Use inline function above instead of __extension__.
4537         (tree_check5): New.
4538         (TREE_CHECK5): Use inline function above instead of __extension__.
4539         (tree_not_check5): New.
4540         (TREE_NOT_CHECK5): Use inline function above instead of __extension__.
4541         (contains_struct_check): New.
4542         (CONTAINS_STRUCT_CHECK): Use inline function above instead of
4543         __extension__.
4544         (tree_class_check): New.
4545         (TREE_CLASS_CHECK): Use inline function above instead of __extension__.
4546         (tree_range_check): New.
4547         (TREE_RANGE_CHECK): Use inline function above instead of __extension__.
4548         (omp_clause_subcode_check): New.
4549         (OMP_CLAUSE_SUBCODE_CHECK): Use inline function above instead of
4550         __extension__.
4551         (omp_clause_range_check): New.
4552         (OMP_CLAUSE_RANGE_CHECK): Use inline function above instead of
4553         __extension__.
4554         (expr_check): New.
4555         (EXPR_CHECK): Use inline function above instead of __extension__.
4556         (non_type_check): New.
4557         (NON_TYPE_CHECK): Use inline function above instead of __extension__.
4558         (tree_vec_elt_check): New.
4559         (TREE_VEC_ELT_CHECK): Use inline function above instead of
4560         __extension__.
4561         (omp_clause_elt_check): New.
4562         (OMP_CLAUSE_ELT_CHECK): Use inline function above instead of
4563         __extension__.
4564         (tree_operand_check): New.
4565         (TREE_OPERAND_CHECK): Use inline function above instead of
4566         __extension__.
4567         (tree_operand_check_code): New.
4568         (TREE_OPERAND_CHECK_CODE): Use inline function above instead of
4569         __extension__.
4570         (TREE_CHAIN): Simplify implementation.
4571         (TREE_TYPE): Simplify implementation.
4572         (tree_operand_length): Move for compilation dependences.
4573         * gdbinit.in: (macro define __FILE__): New.
4574         (macro define __LINE__): New.
4575         (skip "tree.h"): New.
4577 2012-08-14  Oleg Endo  <olegendo@gcc.gnu.org>
4579         PR target/52933
4580         * config/sh/sh.md (cmp_div0s_0, cmp_div0s_1, *cmp_div0s_0,
4581         *cmp_div0s_1, *cbranch_div0s, *movsicc_div0s): New insns.
4582         * config/sh/sh.c (sh_rtx_costs): Handle div0s patterns.
4584 2012-08-14  Oleg Endo  <olegendo@gcc.gnu.org>
4586         PR target/50751
4587         * config/sh/constraints.md (Sra): New constraint.
4588         * config/sh/predicates.md (simple_mem_operand,
4589         displacement_mem_operand, zero_extend_movu_operand): New predicates.
4590         (zero_extend_operand): Check zero_extend_movu_operand for SH2A.
4591         * config/sh/sh.md (*zero_extendqisi2_disp_mem,
4592         *zero_extendhisi2_disp_mem): Add new insns and two new related
4593         peephole2 patterns.
4595 2012-08-14  Steven Bosscher  <steven@gcc.gnu.org>
4597         * graphite-scop-detection.c (create_sese_edges): Compute dominance
4598         info before trying to fix loop structure.
4599         * cfgloopmanip.c (fix_loop_structure): Require fast DOM queries.
4600         * tree-cfgcleanup.c (repair_loop_structures): Likewise.
4601         * cfgloop.c (verify_loop_structure): Verify loop fathers.
4603         * dominance.c (init_dom_info): Use gcc_checking_assert, not gcc_assert.
4604         (dom_convert_dir_to_idx, compute_dom_fast_query,
4605         get_immediate_dominator, set_immediate_dominator, get_dominated_by,
4606         redirect_immediate_dominators, nearest_common_dominator,
4607         (dominated_by_p, bb_dom_dfs_in, bb_dom_dfs_out, recompute_dominator,
4608         iterate_fix_dominators, add_to_dominance_info,
4609         delete_from_dominance_info): Likewise.
4611 2012-08-14  Richard Guenther  <rguenther@suse.de>
4613         * cfgexpand.c (expand_used_vars): Use virtual_operand_p.
4614         * gimple-pretty-print.c (dump_phi_nodes): Likewise.
4615         * gimple-streamer-out.c (output_bb): Likewise.
4616         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Likewise.
4617         (rewrite_reductions_out_of_ssa): Likewise.
4618         (rewrite_commutative_reductions_out_of_ss): Likewise.
4619         * ipa-split.c (verify_non_ssa_vars): Likewise.
4620         (consider_split): Likewise.
4621         (visit_bb): Likewise.
4622         (split_function): Likewise.
4623         * lto-streamer-out.c (output_ssa_names): Likewise.
4624         * sese.c (rename_uses): Likewise.
4625         * tree-cfg.c (replace_uses_by): Likewise.
4626         (gimple_merge_blocks): Likewise.
4627         (gimple_cfg2dot): Likewise.
4628         (verify_gimple_phi): Likewise.
4629         (replace_ssa_name): Likewise.
4630         (move_block_to_fn): Likewise.
4631         * tree-eh.c (cleanup_empty_eh_merge_phis): Likewise.
4632         * tree-if-conv.c (if_convertible_phi_p): Likewise.
4633         (predicate_scalar_phi): Likewise.
4634         * tree-inline.c (update_ssa_across_abnormal_edges): Likewise.
4635         (copy_phis_for_bb): Likewise.
4636         * tree-loop-distribution.c (generate_loops_for_partition): Likewise.
4637         (destroy_loop): Likewise.
4638         * tree-outof-ssa.c (eliminate_useless_phis): Likewise.
4639         (insert_backedge_copies): Likewise.
4640         * tree-parloops.c (transform_to_exit_first_loop): Likewise.
4641         (gather_scalar_reductions): Likewise.
4642         (try_create_reduction_list): Likewise.
4643         * tree-scalar-evolution.c (analyze_scalar_evolution_for_all_loop_ph):
4644         Likewise.
4645         (scev_const_prop): Likewise.
4646         * tree-ssa-ccp.c (debug_lattice_value): Likewise.
4647         (get_default_value): Likewise.
4648         (ccp_initialize): Likewise.
4649         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
4650         * tree-ssa-copy.c (may_propagate_copy): Likewise.
4651         (init_copy_prop): Likewise.
4652         * tree-ssa-dce.c (propagate_necessity): Likewise.
4653         (remove_dead_phis): Likewise.
4654         (forward_edge_to_pdom): Likewise.
4655         (eliminate_unnecessary_stmts): Likewise.
4656         * tree-ssa-live.c (partition_view_init): Likewise.
4657         (remove_unused_locals): Likewise.
4658         (register_ssa_partition_check): Likewise.
4659         * tree-ssa-loop-im.c (movement_possibility): Likewise.
4660         (move_computations_stmt): Likewise.
4661         * tree-ssa-loop-ivopts.c (determine_biv_step): Likewise.
4662         (record_invariant): Likewise.
4663         (find_interesting_uses_outside): Likewise.
4664         (determine_set_costs): Likewise.
4665         * tree-ssa-loop-manip.c (add_exit_phis_var): Likewise.
4666         (find_uses_to_rename_use): Likewise.
4667         (check_loop_closed_ssa_use): Likewise.
4668         (rewrite_phi_with_iv): Likewise.
4669         (canonicalize_loop_ivs): Likewise.
4670         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
4671         * tree-ssa-phiopt.c (hoist_adjacent_loads): Likewise.
4672         * tree-ssa-pre.c (make_values_for_phi): Likewise.
4673         (compute_avail): Likewise.
4674         (eliminate): Likewise.
4675         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
4676         * tree-ssa-reassoc.c (phi_rank): Likewise.
4677         * tree-ssa-strlen.c (strlen_enter_block): Likewise.
4678         * tree-ssa-structalias.c (compute_points_to_sets): Likewise.
4679         (ipa_pta_execute): Likewise.
4680         * tree-ssa-tail-merge.c (same_succ_hash): Likewise.
4681         (release_last_vdef): Likewise.
4682         (same_phi_alternatives_1): Likewise.
4683         (bb_has_non_vop_phi): Likewise.
4684         (vop_phi): Likewise.
4685         * tree-ssa-threadedge.c (record_temporary_equivalences_from_phis):
4686         Likewise.
4687         * tree-ssa-uninit.c (warn_uninitialized_phi): Likewise.
4688         (execute_late_warn_uninitialized): Likewise.
4689         * tree-ssa.c (verify_ssa_name): Likewise.
4690         (verify_phi_args): Likewise.
4691         (verify_ssa): Likewise.
4692         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
4693         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
4694         Likewise.
4695         (slpeel_tree_peel_loop_to_edge): Likewise.
4696         (vect_can_advance_ivs_p): Likewise.
4697         (vect_update_ivs_after_vectorizer): Likewise.
4698         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Likewise.
4699         * tree-vrp.c (remove_range_assertions): Likewise.
4700         * value-prof.c (gimple_divmod_values_to_profile): Likewise.
4702 2012-08-14  Richard Guenther  <rguenther@suse.de>
4704         PR tree-optimization/54146
4705         * tree-ssa-pre.c (do_regular_insertion): Use a VEC
4706         indexed by pred edge index for avail.
4707         (do_partial_partial_insertion): Likewise.
4708         (insert_into_preds_of_block): Adjust.
4710 2012-08-14  Richard Guenther  <rguenther@suse.de>
4712         * gimplify.c (create_tmp_from_val): Mark temporary with
4713         DECL_GIMPLE_REG_P here ...
4714         (internal_get_tmp_var): ... instead of here.  If we go into
4715         SSA create an SSA name instead of a VAR_DECL.
4716         (gimplify_modify_expr): Do not create SSA names here, assert
4717         we already got them.
4718         (force_gimple_operand_1): Create an SSA name if we go into SSA.
4719         * sese.c (rename_uses): Simplify.
4721 2012-08-14  Richard Guenther  <rguenther@suse.de>
4723         * tree-into-ssa.c: Include diagnostic-core.h.
4724         * Makefile.in (tree-into-ssa.o): Adjust.
4726 2012-08-14  Richard Guenther  <rguenther@suse.de>
4728         * tree-into-ssa.c (update_ssa): Verify we do not rename
4729         symbols that are already partly in SSA form.
4731 2012-08-14  Jakub Jelinek  <jakub@redhat.com>
4733         PR middle-end/53411
4734         PR rtl-optimization/53495
4735         * ira.c (ira): Move delete_trivially_dead_insns call before
4736         find_moveable_pseudos call.
4738 2012-08-13  Steven Bosscher  <steven@gcc.gnu.org>
4740         * tree-ssa-pre.c (do_regular_insertion): Add FIXME markers at points
4741         of potentially huge memset overhead.
4742         (do_partial_partial_insertion): Likewise.
4743         * cfgexpand.c (gimple_expand_cfg): Use XCNEWVEC instead of xcalloc.
4744         * tree-vrp.c (find_assert_locations): Use XNEWVEC instead of XCNEWVEC
4745         for arrays to be filled by pre_and_rev_post_order_compute.  Allocate
4746         the right number of slots, not that number plus NUM_FIXED_BLOCKS.
4747         * tree-ssa-reassoc.c (init_reassoc): Likewise.
4748         * cfganal.c (dfs_enumerate_from): Use XNEWVEC instead of XCNEWVEC for
4749         array used as stack.
4750         * tree-ssa-sccvn.c (init_scc_vn): Use XNEWVEC instead of XCNEWVEC for
4751         arrays to be filled by pre_and_rev_post_order_compute.
4752         * cfgloopmanip.c (find_path): Use XNEWVEC instead of XCNEWVEC for
4753         array to be filled by dfs_enumerate_from.
4754         (remove_path): Likewise.
4755         (duplicate_loop_to_header_edge): Use XNEWVEC instead of XCNEWVEC for
4756         array of loops that is filled on the next lines.
4757         * cfgloop.c (get_loop_body): Use XNEWVEC instead of XCNEWVEC for
4758         array of basic blocks to be returned.
4759         (get_loop_body_in_dom_order): Likewise.
4760         (get_loop_body_in_bfs_order): Likewise.
4761         * tree-ssa-loop-manip.c (loop_renamer_obstack): New static obstack
4762         for all bitmaps used for rewriting into loop-closed SSA form.
4763         (add_exit_phis_var): Allocate the def bitmap on it.  Clear the livein
4764         bitmap at the end to release a lot of memory.
4765         (add_exit_phis): Allocate the exits bitmap on the new obstack.
4766         (get_loops_exits): Allocate the exits bitmap on the new obstack.
4767         (find_uses_to_rename_use): Allocate a use_blocks bitmap if ver is
4768         seen for the first time.
4769         (find_uses_to_rename): Add "???" for why the whole function must
4770         be re-scanned if changed_bbs is empty.
4771         (rewrite_into_loop_closed_ssa): Allocate bitmaps on the new obstack.
4772         Use XNEWVEC to allocate the use_blocks array.  Initialize the new
4773         obstack, and free it at the end.  Remove loop over all SSA names.
4774         (check_loop_closed_ssa_stmt): Look only at SSA_OP_USE operands.
4775         * tree-cfg.c (move_sese_region_to_fn): Use XNEWVEC instead of
4776         xcalloc to allocate edge_pred and edge_flag arrays.
4778 2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
4780         * config/i386/i386.h (FIXED_REGISTERS): Do not mark REX registers here.
4781         (CALL_USED_REGISTERS): Use bitmaps to mark call-used registers
4782         for different ABIs.
4783         (enum reg_class): Move CLOBBERED_REGS just before GENERAL_REGS.
4784         (REG_CLASS_NAMES): Update.
4785         (REG_CLASS_CONTENTS): Update.  Clear CLOBBERED_REGS members.
4786         * config/i386/i386.c (ix86_conditional_register_usage): Disable
4787         REX registers on 32bit targets.  Handle bitmaps from
4788         CALL_USED_REGISTERS initializer.  Calculate CLOBBERED_REGS register
4789         set from GENERAL_REGS also for 32bit targets.  Do not change call
4790         used register set for TARGET_64BIT_MS_ABI separately.
4792 2012-08-13  Richard Guenther  <rguenther@suse.de>
4794         * basic-block.h (struct basic_block): Remove loop_depth
4795         member, move flags and index members next to each other.
4796         * cfgloop.h (bb_loop_depth): New inline function.
4797         * cfghooks.c (split_block): Do not set loop_depth.
4798         (duplicate_block): Likewise.
4799         * cfgloop.c (flow_loop_nodes_find): Likewise.
4800         (flow_loops_find): Likewise.
4801         (add_bb_to_loop): Likewise.
4802         (remove_bb_from_loops): Likewise.
4803         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
4804         * gimple-streamer-in.c (input_bb): Do not stream loop_depth.
4805         * gimple-streamer-out.c (output_bb): Likewise.
4806         * bt-load.c: Include cfgloop.h.
4807         (migrate_btr_defs): Use bb_loop_depth.
4808         * cfg.c (dump_bb_info): Likewise.
4809         * final.c (compute_alignments): Likewise.
4810         * ira.c (update_equiv_regs): Likewise.
4811         * tree-ssa-copy.c (init_copy_prop): Likewise.
4812         * tree-ssa-dom.c (loop_depth_of_name): Likewise.
4813         * tree-ssa-forwprop.c: Include cfgloop.h.
4814         (forward_propagate_addr_expr): Use bb_loop_depth.
4815         * tree-ssa-pre.c (insert_into_preds_of_block): Likewise.
4816         * tree-ssa-sink.c (select_best_block): Likewise.
4817         * ipa-inline-analysis.c: Include cfgloop.h.
4818         (estimate_function_body_sizes): Use bb_loop_depth.
4819         * Makefile.in (tree-ssa-forwprop.o): Depend on $(CFGLOOP_H).
4820         (ipa-inline-analysis.o): Likewise.
4821         (bt-load.o): Likewise.
4823 2012-08-13  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
4824             Jakub Jelinek  <jakub@redhat.com>
4826         PR driver/54210
4827         * config/i386/driver-i386.c (host_detect_local_cpu): Test bit_PRFCHW
4828         bit of CPUID 0x80000001 %ecx instead of CPUID 7 %ecx.
4829         * config/i386/cpuid.h (bits_PRFCHW): Move definition to CPUID
4830         0x80000001 %ecx flags.
4832 2012-08-13  Richard Guenther  <rguenther@suse.de>
4834         * tree-cfg.c (print_loop): Avoid ICEing for loops marked for
4835         removal and loops with multiple latches.
4837 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
4839         PR c/53968
4840         * tree.c (integer_pow2p): Avoid undefined signed overflows.
4841         * simplify-rtx.c (neg_const_int): Likewise.
4842         * expr.c (fixup_args_size_notes): Likewise.
4843         * stor-layout.c (set_min_and_max_values_for_integral_type): Likewise.
4844         * double-int.c (mul_double_wide_with_sign): Likewise.
4845         (double_int_mask): Likewise.
4846         * tree-ssa-loop-ivopts.c (get_address_cost): Likewise.
4848 2012-08-13  Richard Guenther  <rguenther@suse.de>
4850         PR tree-optimization/54200
4851         * tree-ssa-copyrename.c (rename_ssa_copies): Do not add
4852         PHI results to another partition if not all PHI arguments
4853         have the same partition.
4855 2012-08-12  Jan Hubicka  <jh@suse.cz>
4857         * tree-pass.h (write_summary, write_optimization_summary): Remove
4858         set and vset arguments.
4859         * ipa-cp.c (ipcp_write_summary): Remove set and vset arugments.
4860         (write_node_summary_p): Likewise; use the encoder.
4861         (ipa_reference_write_optimization_summary): Likewise.
4862         * lto-cgraph.c (output_cgraph_opt_summary): Use encoder.
4863         (lto_symtab_encoder_new): Initialize in_partition field.
4864         (lto_symtab_encoder_delete): Destroy in_partition field.
4865         (LCC_NOT_FOUND): Move to lto-streamer.h
4866         (lto_symtab_encoder_deref): Likewise.
4867         (lto_symtab_encoder_in_partition_p,
4868         lto_set_symtab_encoder_in_partition): New functions.
4869         (referenced_from_other_partition_p): Rewrite to use encoder.
4870         (reachable_from_other_partition_p): Likewise.
4871         (referenced_from_this_partition_p): Likewise.
4872         (reachable_from_this_partition_p): Likewise.
4873         (lto_output_node): Likewise.
4874         (lto_output_varpool_node): Likewise.
4875         (output_refs): Likewise.
4876         (compute_ltrans_boundary): Initialize in_partition fileds of
4877         the encoder.
4878         (output_symtab): Likewise.
4879         (input_refs): Match the changes in output_refs.
4880         (output_cgraph_opt_summary_p): Remove set argument.
4881         (output_node_opt_summary): Replace set by encoder.
4882         (output_cgraph_opt_summary): Remove set argument; use
4883         the encoder.
4884         * ipa-pure-const.c (pure_const_write_summary): Remove set and vset
4885         arguments; use the encoder.
4886         * lto-streamer-out.c (lto_output): Remove set and vset argument; use
4887         the encoder.
4888         (produce_symtab): Likewise.
4889         * ipa-inline.h (inline_write_summary): Remove set and vset arguments.
4890         * ipa-inline-analysis.c (inline_write_summary): Likewise.
4891         * ipa-prop.c (ipa_prop_write_jump_functions): Remove set argument;
4892         use encoder.
4893         * ipa-prop.h (ipa_prop_write_jump_functions): Likewise.
4894         * passes.c (ipa_write_summaries_2): Remove set and vset arguments.
4895         (ipa_write_summaries_1): Update.
4896         (ipa_write_optimization_summaries_1): Likewise.
4897         (ipa_write_optimization_summaries): Likewise.
4898         * lto-streamer.h (lto_symtab_encoder_t): Add in_partition.
4899         (lto_symtab_encoder_iterator): New type.
4900         (lto_symtab_encoder_deref): Make inline.
4901         (output_symtab, referenced_from_other_partition_p,
4902         reachable_from_other_partition_p, referenced_from_this_partition_p,
4903         reachable_from_this_partition_p): Update.
4904         (lsei_end_p, lsei_next, lsei_node, lsei_cgraph_node,
4905         lsei_varpool_node): New inline functions.
4906         (LCC_NOT_FOUND): New macro.
4907         (lto_symtab_encoder_deref, lsei_start, lsei_next_in_partition,
4908         lsei_start_in_partition, lsei_next_function_in_partition,
4909         lsei_start_function_in_partition, lsei_next_variable_in_partition,
4910         lsei_start_variable_in_partition): New inline functions.
4912 2012-08-12  Oleg Endo  <olegendo@gcc.gnu.org>
4914         * config/sh/sh.md (prefetch): Simplify expander.  Fix condition to
4915         allow SH3.
4916         (*prefetch_media): Move insn below expander.
4917         (*prefetch): Fix condition to allow SH3.
4919 2012-08-12  Oleg Endo  <olegendo@gcc.gnu.org>
4921         PR target/51244
4922         * config/sh/sh.md: Add splits for inverted compare and branch
4923         opportunities.
4924         (*cmpeqsi_t): New insn.
4925         (cmpgtsi_t, cmpgesi_t): Swap r and N alternatives.
4926         (cmpgeusi_t): Use satisfies_constraint_Z.  Emit sett insn in
4927         replacement insn list and not in the preparation statements.
4928         (clrt, sett): Add mt_group attribute.
4930 2012-08-12 Marc Glisse <marc.glisse@inria.fr>
4932         PR middle-end/54193
4933         * gimple-pretty-print.c (dump_ternary_rhs): Handle 4 arguments.
4935 2012-08-12  Oleg Endo  <olegendo@gcc.gnu.org>
4937         PR target/39423
4938         * config/sh/predicates.md (mem_index_disp_operand): Check for
4939         arith_reg_operand instead of REG_P.
4941 2012-08-11  Bernd Schmidt  <bernds@codesourcery.com>
4943         * reload1.c (replaced_subreg, gen_reload): Add
4944         SECONDARY_MEMORY_NEEDED ifdefs as necessary.
4946 2012-08-11  Jan Hubicka  <jh@suse.cz>
4948         * lto-section-in.c (lto_section_name): Do not use "symtab" as part of
4949         symtab_node sectoin name; it confuses plugin.
4951 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
4953         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Shift DECL_UID
4954         index in the va_list_vars bitmap by num_ssa_names.
4956 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
4958         * config/i386/sse.md (xop integer multiply/add insns): Use
4959         register_operand for operand 3 predicate.
4960         (xop_phadd<u>bq):  Fix vec_select selectors.
4962 2012-08-11  Martin Jambor  <mjambor@suse.cz>
4964         PR fortran/48636
4965         * ipa-inline.h (condition): New fields offset, agg_contents and by_ref.
4966         * ipa-inline-analysis.c (agg_position_info): New type.
4967         (add_condition): New parameter aggpos, also store agg_contents, by_ref
4968         and offset.
4969         (dump_condition): Also dump aggregate conditions.
4970         (evaluate_conditions_for_known_args): Also handle aggregate
4971         conditions.  New parameter known_aggs.
4972         (evaluate_properties_for_edge): Gather known aggregate contents.
4973         (inline_node_duplication_hook): Pass NULL known_aggs to
4974         evaluate_conditions_for_known_args.
4975         (unmodified_parm): Split into unmodified_parm and unmodified_parm_1.
4976         (unmodified_parm_or_parm_agg_item): New function.
4977         (set_cond_stmt_execution_predicate): Handle values passed in
4978         aggregates.
4979         (set_switch_stmt_execution_predicate): Likewise.
4980         (will_be_nonconstant_predicate): Likewise.
4981         (estimate_edge_devirt_benefit): Pass new parameter known_aggs to
4982         ipa_get_indirect_edge_target.
4983         (estimate_calls_size_and_time): New parameter known_aggs, pass it
4984         recrsively to itself and to estimate_edge_devirt_benefit.
4985         (estimate_node_size_and_time): New vector known_aggs, pass it o
4986         functions which need it.
4987         (remap_predicate): New parameter offset_map, use it to remap aggregate
4988         conditions.
4989         (remap_edge_summaries): New parameter offset_map, pass it recursively
4990         to itself and to remap_predicate.
4991         (inline_merge_summary): Also create and populate vector offset_map.
4992         (do_estimate_edge_time): New vector of known aggregate contents,
4993         passed to functions which need it.
4994         (inline_read_section): Stream new fields of condition.
4995         (inline_write_summary): Likewise.
4996         * ipa-cp.c (ipa_get_indirect_edge_target): Also examine the aggregate
4997         contents.  Let all local callers pass NULL for known_aggs.
4999 2012-08-11  Jan Hubicka  <jh@suse.cz>
5001         * lto-cgraph.c (output_cgraph): Rename to ...
5002         (output_symtab): ... this one. Update for LTO_section_symtab_nodes.
5003         (input_cgraph): Rename to ...
5004         (input_symtab): ... this one. Update for LTO_section_symtab_nodes.
5005         * lto-streamer-out.c (create_output_block): Do not set
5006         section_type.
5007         (produce_asm): Likewise.
5008         (lto_output_toplevel_asms): Likewise.
5009         (produce_asm_for_decls): Likewise.
5010         (lto_output): Use output_symtab.
5011         * lto-section-in.c (lto_section_name): Update.
5012         * lto-section-out.c (lto_destroy_simple_output_block): Remove
5013         section_type.
5014         * lto-streamer.h (enum lto_section_type): Remove LTO_section_varpool;
5015         rename LTO_section_cgraph to LTO_section_symtab_nodes.
5016         (struct lto_header): Remove section_type.
5018 2012-08-11  Jan Hubicka  <jh@suse.cz>
5020         * cgraph.h (vector types for symtab_node): Add.
5021         * ipa-reference.c (ipa_reference_write_optimization_summary): Update
5022         for new symtab encoder.
5023         (ipa_reference_read_optimization_summary): Likewise.
5024         * lto-cgraph.c (output_varpool): Remove.
5025         (input_cgraph_opt_summary): Take symtab nodes vector as argument.
5026         (LTO_cgraph_tags): Rename to ...
5027         (LTO_symtab_tags): ... this one; add LTO_symtab_variable.
5028         (lto_cgraph_encoder_new): Rename to ...
5029         (lto_symtab_encoder_new): ... this on.
5030         (lto_cgraph_encoder_encode): Rename to ...
5031         (lto_symtab_encoder_encode): ... this one.
5032         (lto_cgraph_encoder_delete): Rename to ...
5033         (lto_symtab_encoder_delete): ... this one.
5034         (lto_cgraph_encoder_deref): Rename to ...
5035         (lto_symtab_encoder_deref): ... this one.
5036         (lto_cgraph_encoder_encode_body_p): Rename to ...
5037         (lto_symtab_encoder_encode_body_p): ... this one.
5038         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
5039         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
5040         lto_varpool_encoder_deref): Remove.
5041         (lto_varpool_encoder_encode_initializer_p): Rename to ...
5042         (lto_symtab_encoder_encode_initializer_p): ... this one.
5043         (lto_set_varpool_encoder_encode_initializer): Rename to ...
5044         (lto_set_symtab_encoder_encode_initializer): ... this one.
5045         (lto_output_edge): Update.
5046         (lto_output_node): Update.
5047         (lto_output_varpool_node): Update; stream out LTO_symtab_variable tag.
5048         (lto_output_ref): Drop varpool_encoder; update.
5049         (add_node_to): Update.
5050         (add_references): Update.
5051         (output_outgoing_cgraph_edges): Update.
5052         (output_refs): Update.
5053         (compute_ltrans_boundary): Update.
5054         (output_cgraph): Update; output varpools too.
5055         (input_overwrite_node): Update.
5056         (output_varpool): Remove.
5057         (input_node): Update.
5058         (input_ref): Update.
5059         (input_edge): Update.
5060         (input_cgraph_1): Update; input varpool too; unify fixup code.
5061         (input_varpool_1): Remove.
5062         (input_refs): Update.
5063         (input_cgraph): Update.
5064         (output_node_opt_summary): Update.
5065         (input_cgraph_opt_section): Update.
5066         (input_cgraph_opt_summary): Update.
5067         * ipa-pure-const.c (pure_const_write_summary): Update.
5068         (pure_const_read_summary): Update.
5069         * lto-streamer-out.c (lto_write_tree): Update.
5070         (lto_output): Likewise.
5071         (produce_symtab): Update.
5072         (produce_asm_for_decls): Update.
5073         * ipa-inline-analysis.c (inline_read_section): Update.
5074         (inline_write_summary): Update.
5075         * ipa-prop.c (ipa_write_node_info): Update.
5076         (ipa_prop_read_section): Update.
5077         * lto-streamer.h (lto_cgraph_encoder_d): Rename to ...
5078         (lto_symtab_encoder_d): ... this one;  add initializer.
5079         (lto_cgraph_encoder_t): Rename to ...
5080         (lto_symtab_encoder_t): ... this one.
5081         (lto_cgraph_encoder_size): Rename to ...
5082         (lto_symtab_encoder_size): ... this one.
5083         (lto_varpool_encoder_d): ... remove.
5084         (lto_varpool_encoder_t): Remove.
5085         (lto_out_decl_state): Remove cgraph_node_encoder, varpool_node_encoder
5086         add symtab_node_encoder.
5087         (lto_file_decl_data): Likewise.
5088         (lto_cgraph_encoder_deref, lto_cgraph_encoder_lookup,
5089         lto_cgraph_encoder_new, lto_cgraph_encoder_encode,
5090         lto_cgraph_encoder_delete, lto_cgraph_encoder_encode_body_p,
5091         lto_varpool_encoder_encode_body_p, lto_varpool_encoder_deref,
5092         lto_varpool_encoder_lookup, lto_varpool_encoder_new,
5093         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
5094         lto_varpool_encoder_encode_initializer_p): Remove.
5095         (lto_symtab_encoder_deref, lto_symtab_encoder_lookup,
5096         lto_symtab_encoder_t, lto_symtab_encoder_encode,
5097         lto_symtab_encoder_delete, lto_symtab_encoder_encode_body_p,
5098         lto_symtab_encoder_encode_initializer_p): New.
5100 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
5102         * config/i386/i386.md (isa): Add fma and fma4.
5103         (enabled): Handle fma and fma4.
5104         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
5105         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
5106         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
5107         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
5108         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
5109         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
5111 2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
5113         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
5114         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
5115         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
5117 2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
5119         * config/i386/i386.md (simple LEA peephole2s): Add zero-extend
5120         variants of PLUS and MULT simple LEA patterns.  Disable PLUS
5121         patterns for TARGET_OPT_AGU.
5123 2012-08-10  Richard Guenther  <rguenther@suse.de>
5125         * Makefile.in (OBJS): Remove matrix-reorg.o.
5126         (matrix-reorg.o): Remove dependence rule.
5127         (GTFILES): Remove matrix-reorg.c.
5128         * matrix-reorg.c: Remove.
5129         * passes.c (init_optimization_passes): Do not schedule
5130         pass_ipa_matrix_reorg.
5131         * tree-pass.h (pass_ipa_matrix_reorg): Remove.
5132         * common.opt (fipa-matrix-reorg): Stub out.
5133         * doc/invoke.texi (fipa-matrix-reorg): Remove documentation.
5135 2012-08-10  Richard Guenther  <rguenther@suse.de>
5137         PR middle-end/54219
5138         * fold-const.c (fold_ternary_loc): Do not reverse the mask
5139         when canonicalizing it when folding VEC_PERM_EXPR.
5141 2012-08-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5143         PR middle-end/54211
5144         * gimple-ssa-strength-reduction.c (analyze_candidates_and_replace):
5145         Use cand_type to determine whether pointer arithmetic will be generated.
5147 2012-08-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5149         * doc/sourcebuild.texi: Document long_neq_int effective target.
5151 2012-08-10  Richard Guenther  <rguenther@suse.de>
5153         PR tree-optimization/54109
5154         * tree-ssa-forwprop.c
5155         (forward_propagate_addr_into_variable_array_index): Remove.
5156         (forward_propagate_addr_expr_1): Adjust.
5158 2012-08-10  Richard Guenther  <rguenther@suse.de>
5160         * tree-cfg.c (dump_function_to_file): Make sure to dump
5161         anonymous SSA names when there are no local decls.
5163 2012-08-10  Steven Bosscher  <steven@gcc.gnu.org>
5165         * tree-ssa-pre.c (alloc_expression_id): Fix use of VEC_reserve.
5166         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
5167         (mark_phi_for_rewrite): Likewise.
5168         (compute_global_livein): Use VEC_reserve outside the innermost
5169         loop and VEC_quick_push instead of VEC_safe_push in that loop.
5170         (update_ssa): Re-organize to avoid unnecessary sbitmap_zero'ing
5171         of new_ssa_names and old_ssa_names.  Allocate phis_to_rewrite to
5172         the correct initial size.
5174 2012-08-10  Richard Guenther  <rguenther@suse.de>
5176         * tree-ssa-pre.c (pretemp, storetemp, prephitemp): Remove.
5177         (need_creation): Remove.
5178         (get_representative_for): Use anonymous named SSA names.
5179         (create_expression_by_pieces): Likewise.
5180         (insert_into_preds_of_block): Likewise.
5181         (init_pre): Do not init removed vars.
5182         (fini_pre): Do not free need_creation.
5183         * tree-ssa-forwprop.c (simplify_bitwise_binary): Use anonymous
5184         SSA names.
5185         * tree-ssa-loop-manip.c (create_iv): Likewise.
5186         * value-prof.c (gimple_divmod_fixed_value): Likewise.
5187         (gimple_mod_pow2): Likewise.
5188         (gimple_mod_subtract): Likewise.
5189         (gimple_ic): Likewise.
5190         (gimple_stringop_fixed_value): Likewise.
5191         * tree-ssa-phiopt.c (condstoretemp): Remove.
5192         (tree_ssa_phiopt_worker): Use anonymous named SSA names.
5193         (conditional_replacement): Likewise.
5194         (abs_replacement): Likewise.
5195         (cond_store_replacement): Likewise.
5196         (cond_if_else_store_replacement_1): Likewise.
5197         * tree-ssa-loop-im.c (rewrite_reciprocal): Likewise.
5198         (rewrite_bittest): Likewise.
5199         * tree-ssa-reassoc.c (build_and_add_sum): Get type from callers
5200         and build anonymous SSA names.
5201         (undistribute_ops_list): Adjust.
5202         (eliminate_redundant_comparison): Use anonymous SSA names.
5203         (rewrite_expr_tree_parallel): Likewise.
5204         (get_reassoc_pow_ssa_name): Remove.
5205         (attempt_builtin_powi): Adjust.
5206         (reassociate_bb): Likewise.
5207         * tree-ssa-strlen.c (get_string_length): Use anonymous SSA names.
5208         * tree-switch-conversion.c (emit_case_bit_tests): Likewise.
5209         (build_arrays): Likewise.
5210         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
5211         (create_tailcall_accumulator): Likewise.
5212         * tree-vect-generic.c (expand_vector_divmod): Likewise.
5213         * tree-profile.c (gcov_type_tmp_var): Remove.
5214         (gimple_init_edge_profiler): Do not initialize it and use anonymous
5215         SSA names.
5216         (gimple_gen_ic_profiler): Likewise.
5217         (tree_profiling): Adjust.
5218         * tree-sra.c (build_ref_for_offset): Use anonymous SSA names.
5219         * tree-ssa-math-opts.c (execute_cse_sincos_1): Likewise.
5220         (powi_as_mults_1): Likewise.
5221         (powi_as_mults): Likewise.
5222         (build_and_insert_call): Adjust.
5223         (build_and_insert_binop): Likewise.
5224         (build_and_insert_ref): Likewise.
5225         (build_and_insert_cast): Likewise.
5226         (gimple_expand_builtin_pow): Likewise.
5227         (gimple_expand_builtin_cabs): Likewise.
5228         (execute_optimize_bswap): Use anonymous SSA names.
5229         (convert_mult_to_widen): Likewise.
5230         (convert_plusminus_to_widen): Likewise.
5231         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
5232         * tree-ssa-propagate.c (update_call_from_tree): Likewise.
5233         * tree-if-conv.c (ifc_temp_var): Likewise.
5234         * tree-loop-distribution.c (generate_memset_builtin): Likewise.
5235         * tree-parloops.c (take_address_of): Likewise.
5236         * tree-vect-data-refs.c (vect_permute_store_chain): Likewise.
5237         (vect_permute_load_chain): Likewise.
5238         * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Likewise.
5239         * tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
5240         (vect_handle_widen_op_by_const): Likewise.
5241         (vect_operation_fits_smaller_type): Likewise.
5242         (vect_recog_over_widening_pattern): Likewise.
5243         * tree-vect-stmts.c (vect_init_vector): Likewise.
5244         * tree-vrp.c (simplify_truth_ops_using_ranges): Likewise.
5245         (simplify_float_conversion_using_ranges): Likewise.
5247 2012-08-10  Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
5249         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Fix
5250         target mask of __builtin_ia32_rdseed_di_step builtin.
5252 2012-08-10  Richard Guenther  <rguenther@suse.de>
5254         PR tree-optimization/54027
5255         * tree-vrp.c (extract_range_from_binary_expr_1): Merge RSHIFT_EXPR
5256         and LSHIFT_EXPR handling, force -fwrapv for the multiplication used
5257         to handle LSHIFT_EXPR with a constant.
5259 2012-08-10  Richard Guenther  <rguenther@suse.de>
5261         * tree.h (SSA_NAME_VAR): Return NULL_TREE if an IDENTIFIER_NODE
5262         is recorded as var.
5263         (SSA_NAME_IDENTIFIER): Return the IDENTIFIER_NODE of the SSA_NAME
5264         or its SSA_NAME_VAR.
5265         (SET_SSA_NAME_VAR_OR_IDENTIFIER): New setter.
5266         * tree-ssanames.c (make_ssa_name_fn): Handle creating anonymous
5267         SSA names by passing a type instead of a variable decl.
5268         (release_ssa_name): Use SET_SSA_NAME_VAR_OR_IDENTIFIER.
5269         (copy_ssa_name_fn): Handle anonymous SSA names.
5270         (replace_ssa_name_symbol): Use SET_SSA_NAME_VAR_OR_IDENTIFIER.
5271         * tree-flow-inline.h (make_temp_ssa_name): New inline function.
5272         * tree-pretty-print.c (dump_generic_node): Use SSA_NAME_IDENTIFIER,
5273         dump SSA names without a name as <anon>.
5274         * cfgexpand.c (expand_used_vars): Assing anonymous SSA names we are
5275         going to expand a decl.
5276         (gimple_expand_cfg): Assign all SSA names of a partition the
5277         decl we created for its leader.
5278         * tree-ssa.c (target_for_debug_bind): Handle SSA_NAMEs.
5279         (verify_ssa_name): Handle anonymous SSA names.
5280         (verify_def): Likewise.
5281         * tree-predcom.c (eliminate_temp_copies): Likewise.
5282         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
5283         * tree-ssa-live.c (var_map_base_init): Compute conflicts for
5284         anonymous SSA names with the same type.
5285         (mark_all_vars_used_1): Handle anonymous SSA names.
5286         (verify_live_on_entry): Likewise.
5287         * tree-ssa-coalesce.c (abnormal_corrupt): Remove.
5288         (create_outofssa_var_map): Adjust with respect to conflicts we
5289         compute for anonymous SSA names.  Do not restrict abnormal
5290         coalescing.
5291         (coalesce_partitions): Do not restrict abnormal coalescing.
5292         Assert we only ever coalesce variables we computed conflicts for.
5293         * tree-ssa-ter.c (process_replaceable): Do not restrict TER
5294         of anonymous names.
5295         * expr.c (expand_expr_real_1): Handle anonymous SSA names
5296         expanded from IVOPTs by creating a raw REG here.
5297         * tree-cfg.c (replace_ssa_name): Handle anonymous SSA names.
5298         (dump_function_to_file): Dump anonymous SSA names alongside
5299         with their types in the variable list.
5300         (verify_gimple_return): Guard use of SSA_NAME_VAR.
5301         * tree-into-ssa.c (mark_for_renaming): Handle a NULL symbol.
5302         (rewrite_into_ssa): Make SSA names anonymous.
5303         * tree-ssa-structalias.c (alias_get_name): Rewrite.
5304         * tree-ssa-uninit.c (ssa_undefined_value_p): Handle anonymous
5305         SSA names.
5306         (warn_uninitialized_phi): Likewise.
5307         * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Defer expanding
5308         anonymous SSA names to the expander.
5309         (determine_iv_cost): Anonymous SSA names are artificial.
5310         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
5311         Handle anonymous SSA names.
5312         * lto-streamer-out.c (output_ssa_names): Stream SSA_NAME_VAR
5313         or if NULL, the type of the SSA name.
5314         * tree-inline.c (remap_ssa_name): Handle anonymous SSA names,
5315         remap names as anonymous where appropriate.
5316         (insert_init_stmt): Pass SSA names down to insert_init_debug_bind.
5317         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Adjust
5318         according to what we create conflicts for in out-of-SSA
5319         coalescing.
5320         * tree-parloops.c (separate_decls_in_region_name): Handle
5321         anonymous SSA names.
5322         (add_field_for_name): Likewise.
5323         * tree.c (get_name): Handle SSA names.
5324         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Defer to get_name for
5325         SSA_NAMEs.
5326         * tree-vect-loop-manip.c (adjust_debug_stmts): Use
5327         virtual_operand_p.
5328         * tree-sra.c (create_access_replacement): Give up generating
5329         a DECL_DEBUG_EXPR for SSA names in the memory reference.
5330         (replace_removed_params_ssa_names): Guard use of SSA_NAME_VAR.
5331         * tree-complex.c (get_component_ssa_name): Handle anonymous
5332         SSA names.
5333         (set_component_ssa_name): Likewise.
5334         * tree-ssa-sccvn.c (visit_reference_op_load): Likewise.
5335         * tree-object-size.c (collect_object_sizes_for): Handle
5336         uninitialized SSA names properly.
5337         * ipa-inline-analysis.c (eliminated_by_inlining_prob): Guard use of
5338         SSA_NAME_VAR.
5339         * ipa-split.c (test_nonssa_use): Likewise.
5340         (consider_split): Likewise.
5341         (mark_nonssa_use): Likewise.
5343 2012-08-09  Jan Hubicka  <jh@suse.cz>
5345         PR middle-end/54146
5346         * ipa-inline-transform.c (inline_call): Add UPDATE_OVERALL_SUMMARY
5347         parameter; honnor it.
5348         * ipa-inline.c (recursive_inlining): Update call
5349         of inline_call.
5350         (inline_small_functions): Likewise.
5351         (ipa_inline): Likewise.
5352         (inline_always_inline_functions): Likewise.
5353         (early_inline_small_functions): Likewise.
5354         (flatten_function): Do separate update of summary info.
5355         * ipa-inline.h (inline_update_overall_summary): Declare.
5356         (inline_call): Update.
5357         * ipa-inline-analysis.c (inline_merge_summary): Break out
5358         updating code to ...
5359         (inline_update_overall_summary): Likewise.
5361 2012-08-09  Richard Henderson  <rth@redhat.com>
5363         * config/s390/s390.c (s390_expand_insv): Use VOIDmode in gen_rtx_SET.
5365         * config/s390/s390.c (s390_expand_cs_hqi): Copy val to a temp before
5366         performing the compare for the restart loop.
5368 2012-08-09  DJ Delorie  <dj@redhat.com>
5370         * config/rl78/rl78.c (rl78_alloc_physical_registers): Check for
5371         SET before extracting SET_SRC.
5372         (rl78_remove_unused_sets): Check for REG before extractnig REGNO.
5374 2012-08-09  Oleg Endo  <olegendo@gcc.gnu.org>
5376         PR target/54089
5377         * config/sh/sh-protos (shift_insns_rtx): Delete.
5378         (sh_ashlsi_clobbers_t_reg_p): Add.
5379         * config/sh/sh.c (shift_insns, shift_amounts, ext_shift_insns,
5380         ext_shift_amounts): Merge arrays of ints to array of structs.
5381         Adapt usage of arrays throughout the file.
5382         (shift_insns_rtx): Delete unused function.
5383         (sh_ashlsi_clobbers_t_reg_p): New function.
5384         * config/sh/sh.md (ashlsi3): Emit ashlsi3_n_clobbers_t insn if the
5385         final shift sequence will clobber T_REG.
5386         (ashlsi3_n): Split only if the final shift sequence will not
5387         clobber T_REG.
5388         (ashlsi3_n_clobbers_t): New insn_and_split.
5390 2012-08-09  Steven Bosscher  <steven@gcc.gnu.org>
5392         * calls.c (mem_overlaps_already_clobbered_arg_p): Use SBITMAP_SIZE
5393         instead of looking at sbitmap n_bits member directly.
5394         * gcse.c (hoist_code): Likewise.
5395         * sched-rgn.c (split_edges): Likewise.
5396         * tree-into-ssa.c (is_old_name, is_new_name, add_new_name_mapping,
5397         update_ssa): Likewise.
5399 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
5401         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Return preferred
5402         single unit register class for classes that contain registers form
5403         multiple units.
5404         (REG_CLASS_CONTENTS): Add missing "frame" register to FLOAT_INT_REGS,
5405         INT_SSE_REGS and FLOAT_INT_SSE_REGS register classes.
5407 2012-08-09  Martin Jambor  <mjambor@suse.cz>
5409         * cgraph.h (cgraph_indirect_call_info): Field anc_offse renamd to
5410         offset, updated all users.  New field agg_contents.
5411         * ipa-prop.h (jump_func_type): Removed IPA_JF_CONST_MEMBER_PTR.
5412         (ipa_pass_through_data): New field agg_preserved.
5413         (ipa_ancestor_jf_data): Likewise.
5414         (ipa_member_ptr_cst): Removed.
5415         (ipa_agg_jf_item): New type.
5416         (ipa_agg_jump_function): Likewise.
5417         (ipa_jump_func): New field agg.  Removed field member_cst.
5418         (ipa_get_jf_pass_through_agg_preserved): New function.
5419         (ipa_get_jf_ancestor_agg_preserved): Likewise.
5420         (ipa_get_jf_member_ptr_pfn): Removed.
5421         (ipa_find_agg_cst_for_param): Declare.
5422         (ipa_load_from_parm_agg): Likewise.
5423         * ipa-prop.c (param_analysis_info): Fields modified and
5424         visited_statements rename to parm_modified and parm_visited_statements
5425         respectively, added fields ref_modified, ref_visited_statements,
5426         pt_modified and pt_visited_statements.
5427         (ipa_print_node_jump_functions_for_edge): Do not dump const member
5428         functions.  Dump agg_preserved flags and aggregate jump functions.
5429         (ipa_set_jf_simple_pass_through): Set also agg_preserved.
5430         (ipa_set_ancestor_jf): Likewise.
5431         (ipa_set_jf_arith_pass_through): Clear agg_preserved.
5432         (ipa_set_jf_member_ptr_cst): Removed.
5433         (is_parm_modified_before_stmt): Logic reversed, renamed to
5434         parm_preserved_before_stmt_p.  Cache visited bitmap only for
5435         naked DECL parameters.  All callers updated.
5436         (load_from_unmodified_param): Allow NULL parms_ainfo.
5437         (parm_ref_data_preserved_p): New function.
5438         (parm_ref_data_pass_through_p): Likewise.
5439         (ipa_load_from_parm_agg_1): Likewise.
5440         (ipa_load_from_parm_agg): Likewise.
5441         (compute_complex_assign_jump_func): Check if aggregate contents are
5442         preserved.
5443         (compute_complex_ancestor_jump_func): Likewise.
5444         (compute_scalar_jump_functions): Removed.
5445         (type_like_member_ptr_p): Also check field position are known and sane.
5446         (compute_pass_through_member_ptrs): Removed.
5447         (determine_cst_member_ptr): Likewise.
5448         (ipa_known_agg_contents_list): New type.
5449         (determine_known_aggregate_parts): New function.
5450         (compute_cst_member_ptr_arguments): Removed.
5451         (ipa_compute_jump_functions_for_edge): Compute all kinds of jump
5452         functions (scalar, aggregate and member pointer).
5453         (ipa_get_member_ptr_load_param): Incorporate into
5454         ipa_get_stmt_member_ptr_load_param, also pass back an offset.
5455         (ipa_note_param_call): Clear agg_contents.
5456         (ipa_analyze_indirect_call_uses): Also look for simple pointers loaded
5457         from aggregates.  In such cases, store offset of the called field.
5458         (ipa_analyze_node): Initialize new fields of param_analysis_info.
5459         (update_jump_functions_after_inlining): Handle aggregate contents.
5460         (ipa_find_agg_cst_for_param): New function.
5461         (try_make_edge_direct_simple_call): Handle called aggregate values.
5462         (update_indirect_edges_after_inlining): Make sure aggregate preserving
5463         jump functions comply with type compatibility requirements.
5464         (ipa_edge_duplication_hook): Copy also aggregate jump functions.
5465         (ipa_write_jump_function): Stream agg_preserved flags and aggregate
5466         jump functions.  Do not stream member pointer constant jump functions.
5467         (ipa_read_jump_function): Likewise.
5468         (ipa_write_indirect_edge_info): Stream new cgraph_indirect_call_info
5469         fields.
5470         (ipa_read_indirect_edge_info): Likewise.
5472 2012-08-09  Oleg Endo  <olegendo@gcc.gnu.org>
5474         PR target/39423
5475         * config/sh/predicates.md (mem_index_disp_operand): New predicate.
5476         * config/sh/sh.md (*movsi_index_disp): Rewrite insns to use the new
5477         mem_index_disp_operand predicate.
5479 2012-08-09  Oleg Endo  <olegendo@gcc.gnu.org>
5481         PR target/51244
5482         * config/sh/sh.md: Add negc extu sequence peephole.
5483         (movrt, movnegt, movrt_negc, nott): Use t_reg_operand predicate.
5484         (*movrt_negc): New insn.
5485         * config/sh/sync.md (atomic_test_and_set): Pass gen_t_reg_rtx to
5486         gen_movnegt.
5487         * config/sh/sh.c (expand_cbranchsi4, sh_emit_scc_to_t,
5488         sh_emit_compare_and_branch, sh_emit_compare_and_set): Use
5489         get_t_reg_rtx.
5490         (sh_expand_t_scc): Pass gen_t_reg_rtx to gen_movnegt.
5492 2012-08-09  Oleg Endo  <olegendo@gcc.gnu.org>
5494         PR target/50751
5495         * config/sh/sh.md (*extendqisi2_compact_reg, *extendhisi2_compact_reg):
5496         Use arith_reg_operand predicate instead of register_operand.
5497         * config/sh/predicates.md (movsrc_no_disp_mem_operand): Accept
5498         only mem, simplify.
5500 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
5502         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
5503         (alpha_pad_function_end): ... this.  Also insert NOP between
5504         sibling call and GP load.
5505         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
5507 2012-08-09  Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
5509         * config/i386/adxintrin.h: Remove guarding __ADX__ check.
5510         * config/i386/x86intrin.h: Likewise.
5511         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove
5512         OPTION_MASK_ISA_ADX from needed options for
5513         __builtin_ia32_addcarryx_u32 and __builtin_ia32_addcarryx_u64.
5514         (ix86_expand_builtin): Use add<mode>3_carry in expanding of
5515         IX86_BUILTIN_ADDCARRYX32 and IX86_BUILTIN_ADDCARRYX64.
5517 2012-08-09  Andrey Belevantsev  <abel@ispras.ru>
5519         PR rtl-optimization/53701
5520         * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
5521         Process not only expr's vinsns but all old vinsns from expr's
5522         history of changes.
5523         (update_and_record_unavailable_insns): Clarify comment.
5525 2012-08-09  Bernd Schmidt  <bernds@codesourcery.com>
5527         * reload.c (find_valid_class_1): New static function.
5528         (push_reload): Use it when reloading a SYMBOL_REG as the inner
5529         of a subreg.  Keep better track of needed classes for the
5530         secondary memory case.
5531         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Limit INT_SSE_REGS to
5532         GENERAL_REGS.
5533         * reload1.c (replaced_subreg): New static function.
5534         (gen_reload): Use it when deciding whether to use secondary
5535         memory.
5537 2012-08-09  Richard Guenther  <rguenther@suse.de>
5539         * tree.h (SSA_VAR_P): Simplify.
5540         * tree-ssanames.c (make_ssa_name_fn): Strengthen assert.
5541         * fold-const.c (fold_comparison): Check for default def first
5542         before checking for PARM_DECL.
5543         * tree-complex.c (get_component_ssa_name): Likewise.
5544         * tree-inline.c (remap_ssa_name): Likewise.
5545         * tree-ssa-loop-ivopts.c (parm_decl_cost): Likewise.
5546         * tree-ssa-structalias.c (get_fi_for_callee): Likewise.
5547         (find_what_p_points_to): Likewise.
5548         * tree-ssa-operands.c (add_stmt_operand): Simplify.
5550 2012-08-08  Joseph Myers  <joseph@codesourcery.com>
5552         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
5553         IOR to a constant if one operand has side effects.
5555 2012-08-08  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5557         * builtins.c (expand_builtin_atomic_compare_exchange): Pass old
5558         value operand as MEM to expand_atomic_compare_and_swap.
5560         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Accept
5561         nonimmediate_operand for old value; generate load and store if
5562         needed.
5563         * config/s390/s390.c (s390_expand_cs_hqi): Accept any operand
5564         as vtarget.
5566 2012-08-08  Steven Bosscher  <steven@gcc.gnu.org>
5568         PR middle-end/54146
5569         * gimpify.c (gimplify_body): Only verify_gimple_in_seq with
5570         checking enabled.
5571         * tree-ssa-loop-manip.c (add_exit_phis_var): Assert that var is
5572         a gimple_reg if checking is enabled.
5573         (find_uses_to_rename_stmt): Only look at non-virtual USE operands.
5574         * tree-into-ssa (compute_global_livein): Change the worklist
5575         type from an array to a VEC.
5577 2012-08-08  Richard Guenther  <rguenther@suse.de>
5579         * tree-ssa-operands.h (virtual_operand_p): Declare.
5580         * tree-ssa-operands.c (virtual_operand_p): New predicate.
5581         * gimple.c (is_gimple_reg): Use virtual_operand_p.
5582         * tree-into-ssa.c (prepare_block_for_update): Likewise.
5583         * tree-vect-loop-manip.c (adjust_debug_stmts): Likewise.
5585 2012-08-08  Richard Guenther  <rguenther@suse.de>
5587         * tree-call-cdce.c (check_pow): Simplify.
5588         (gen_conditions_for_pow_int_base): Likewise.
5589         * tree-ssa-dom.c (propagate_rhs_into_lhs): Do not handle
5590         virtual operands here.
5591         * tree-ssa-operands.c (get_name_decl): Remove unused function.
5592         * gimplify.c (gimple_regimplify_operands): Remove dead code.
5593         * tree-vrp.c (get_value_range): Move SSA_NAME_VAR access.
5594         * tree-parloops.c (create_phi_for_local_result): Use copy_ssa_name.
5595         * value-prof.c (gimple_ic): Use duplicate_ssa_name.
5596         (gimple_stringop_fixed_value): Likewise.
5597         * tree.c (needs_to_live_in_memory): Remove SSA name handling.
5598         * tree-stdarg.c (find_va_list_reference): Store SSA_NAME_VERSIONs
5599         in the bitmap alongside shifted DECL_UIDs.
5600         (va_list_counter_struct_op): Likewise.
5601         (va_list_ptr_read): Likewise.
5602         (va_list_ptr_write): Likewise.
5603         (check_va_list_escapes): Likewise.
5604         (check_all_va_list_escapes): Likewise.
5605         (execute_optimize_stdarg): Likewise.
5606         * tree-outof-ssa.c (insert_backedge_copies): Use copy_ssa_name.
5608 2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
5609             H.J. Lu  <hongjiu.lu@intel.com>
5611         PR rtl-optimization/54157
5612         * combine.c (gen_lowpart_for_combine): Don't return identity
5613         for CONST or symbolic reference.
5615 2012-08-08  Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
5617         * common/config/i386/i386-common.c (OPTION_MASK_ISA_ADX_SET): New.
5618         (OPTION_MASK_ISA_ADX_UNSET): Likewise.
5619         (ix86_handle_option): Handle madx option.
5620         * config.gcc (i[34567]86-*-*): Add adxintrin.h.
5621         (x86_64-*-*): Likewise.
5622         * config/i386/adxintrin.h: New header.
5623         * config/i386/driver-i386.c (host_detect_local_cpu): Detect ADCX/ADOX
5624         support.
5625         * config/i386/i386-builtin-types.def
5626         (UCHAR_FTYPE_UCHAR_UINT_UINT_PUNSIGNED): New function type.
5627         (UCHAR_FTYPE_UCHAR_ULONGLONG_ULONGLONG_PULONGLONG): Likewise.
5628         * config/i386/i386-c.c: Define __ADX__ if needed.
5629         * config/i386/i386.c (ix86_target_string): Define -madx option.
5630         (PTA_ADX): New.
5631         (ix86_option_override_internal): Handle new option.
5632         (ix86_valid_target_attribute_inner_p): Add OPT_madx.
5633         (ix86_builtins): Add IX86_BUILTIN_ADDCARRYX32,
5634         IX86_BUILTIN_ADDCARRYX64.
5635         (ix86_init_mmx_sse_builtins): Define corresponding built-ins.
5636         (ix86_expand_builtin): Handle these built-ins.
5637         (ix86_expand_args_builtin): Handle new function types.
5638         * config/i386/i386.h (TARGET_ADX): New.
5639         * config/i386/i386.md (adcx<mode>3): New define_insn.
5640         * config/i386/i386.opt (madx): New.
5641         * config/i386/x86intrin.h: Include adxintrin.h.
5643 2012-08-08  Nick Clifton  <nickc@redhat.com>
5645         * config/rl78/rl78.c: Include tree-pass.h.
5647 2012-08-08  Steven Bosscher  <steven@gcc.gnu.org>
5649         PR middle-end/54146
5650         * ira.c (init_live_subregs): Take live_subregs_used as a bitmap.
5651         (build_insn_chain): Make live_subregs_used a bitmap.
5652         Use SBITMAP_SIZE to ignore the paradoxical bytes of subregs.
5653         Use sbitmap_free to free the live_subreg sbitmaps.
5655         PR middle-end/54146
5656         * ifcvt.c: Include pointer-set.h.
5657         (cond_move_process_if_block): Change type of then_regs and
5658         else_regs from alloca'd array to pointer_sets.
5659         (check_cond_move_block): Update for this change.
5660         (cond_move_convert_if_block): Likewise.
5661         * Makefile.in: Fix dependencies for ifcvt.o.
5663 2012-08-07  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5665         * gimple-ssa-strength-reduction.c (struct incr_info_d): New struct.
5666         (incr_vec): New static var.
5667         (incr_vec_len): Likewise.
5668         (address_arithmetic_p): Likewise.
5669         (stmt_cost): Remove dead assignment.
5670         (dump_incr_vec): New function.
5671         (cand_abs_increment): Likewise.
5672         (lazy_create_slsr_reg): Likewise.
5673         (incr_vec_index): Likewise.
5674         (count_candidates): Likewise.
5675         (record_increment): Likewise.
5676         (record_increments): Likewise.
5677         (unreplaced_cand_in_tree): Likewise.
5678         (optimize_cands_for_speed_p): Likewise.
5679         (lowest_cost_path): Likewise.
5680         (total_savings): Likewise.
5681         (analyze_increments): Likewise.
5682         (ncd_for_two_cands): Likewise.
5683         (nearest_common_dominator_for_cands): Likewise.
5684         (profitable_increment_p): Likewise.
5685         (insert_initializers): Likewise.
5686         (introduce_cast_before_cand): Likewise.
5687         (replace_rhs_if_not_dup): Likewise.
5688         (replace_one_candidate): Likewise.
5689         (replace_profitable_candidates): Likewise.
5690         (analyze_candidates_and_replace): Handle candidates with SSA-name
5691         strides.
5693 2012-08-07  Steven Bosscher  <steven@gcc.gnu.org>
5695         * cfg.c (debug_bb): Do not set TDF_BLOCKS.
5696         * cfghooks.c (dump_bb): Honor ~TDF_BLOCKS.
5697         * pretty-print.c (pp_base_flush): Do not add a newline, and do not
5698         clear pp_needs_newline.
5699         * pretty-print.h (pp_newline_and_flush): New macro with the behavior
5700         of pp_base_flush before the above change.
5701         * langhooks.c (lhd_print_error_function): Use pp_newline_and_flush
5702         instead of pp_flush.
5703         * diagnostic.c (diagnostic_finish): Likewise.
5704         (diagnostic_report_diagnostic): Likewise.
5705         (verbatim): Likewise.
5706         (error_recursion): Likewise.
5707         * tree-pretty-print.c (print_generic_stmt): Likewise.
5708         (print_generic_stmt_indented): LIkewise.
5709         * gimple-pretty-print.c (print_gimple_stmt): Likewise.
5710         (print_gimple_seq): Likewise.
5711         (gimple_dump_bb_buff): Likewise.
5713 2012-08-07  Uros Bizjak  <ubizjak@gmail.com>
5715         PR debug/54177
5716         * var-tracking.c (var_lowpart): Exit early for matched modes.
5718 2012-08-07  Richard Henderson  <rth@redhat.com>
5720         * config/s390/s390.c (s390_emit_compare_and_swap): Update for
5721         atomic_compare_and_swapsi_internal name change.
5722         (s390_expand_insv): Try RISBG last, not requiring operands in
5723         registers but forcing them there.  Try a limited form of ICM.
5724         (s390_two_part_insv): New.
5725         (s390_expand_cs_hqi): Use it.  Update for atomic optabs.
5726         * config/s390/s390.md (UNSPEC_MOVA): New.
5727         (TDSI): Remove mode iterator.
5728         (DGPR, DINT, TDI): New mode iterators.
5729         (td): New mode attribute.
5730         (mem_signal_fence): New.
5731         (mem_thread_fence): Rename from memory_barrier; update for model arg.
5732         (mem_thread_fence_1): Rename from *memory_barrier.
5733         (atomic_load<DINT>, atomic_store<DINT>): New expanders.
5734         (atomic_loaddi_1, atomic_loadti_1): New.
5735         (atomic_storedi_1, atomic_storeti_1): New.
5736         (sync_compare_and_swap<TDSI>, sync_compare_and_swap<HQI>): Remove.
5737         (atomic_compare_and_swap<DGPR>, atomic_compare_and_swap<HQI>): New.
5738         (atomic_compare_and_swap<DGPR>_internal): New.
5739         (*sync_compare_and_swap<DW>, *sync_compare_and_swap<GPR>): Remove.
5740         (*atomic_compare_and_swap<TDI>_1): New.
5741         (*atomic_compare_and_swapdi_2, *atomic_compare_and_swapsi_3): New.
5742         (sync_<ATOMIC_Z196><GPR>, sync_old_<ATOMIC_Z196><GPR>): Remove.
5743         (atomic_fetch_<ATOMIC_Z196><GPR>): New.
5744         (atomic_fetch_<ATOMC_Z196><GPR>_iaf): New.
5745         (sync_<ATOMIC><HQI>, sync_old_<ATOMIC><HQI>): Remove.
5746         (sync_new_<ATOMIC><HQI>): Remove.
5747         (atomic_<ATOMIC><HQI>, atomic_fetch_<ATOMIC><HQI>): New.
5748         (atomic_<ATOMIC>_fetch<HQI>): New.
5749         (sync_lock_test_and_set<HQI>): Remove.
5750         (atomic_exchange<HQI>): New.
5752 2012-08-07  Paul Brook  <paul@codesourcery.com>
5753             Sandra Loosemore  <sandra@codesourcery.com>
5755         * except.c (switch_to_exception_section): Place tables for
5756         DECL_ONE_ONLY functions in comdat groups.
5758 2012-08-07  Richard Guenther  <rguenther@suse.de>
5760         * tree-flow.h (copy_ssa_name_fn): New function.
5761         (duplicate_ssa_name_fn): Likewise.
5762         * tree-flow-inline.h (copy_ssa_name): New function.
5763         (duplicate_ssa_name): Likewise.
5764         * tree-ssanames.c (copy_ssa_name_fn): New function.
5765         (duplicate_ssa_name): Rename to ...
5766         (duplicate_ssa_name_fn): ... this and adjust.
5767         * tree-tailcall.c (update_accumulator_with_ops): Use copy_ssa_name.
5768         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
5769         Likewise.
5770         (slpeel_update_phi_nodes_for_guard2): Likewise.
5771         (slpeel_tree_peel_loop_to_edge): Likewise.
5772         (vect_loop_versioning): Likewise.
5773         * tree-parloops.c (transform_to_exit_first_loop): Likewise.
5774         (create_parallel_loop): Likewise.
5775         * ipa-split.c (split_function): Likewise.
5776         * tree-vect-loop.c (vect_is_simple_reduction_1): Likewise.
5777         (vect_create_epilog_for_reduction): Likewise.
5778         * tree-vect-data-refs.c (bump_vector_ptr): Likewise.
5779         (vect_setup_realignment): Likewise.
5780         * tree-vect-stmts.c (vectorizable_load): Likewise.
5781         * tree-switch-conversion.c (build_one_array): Likewise.
5782         (gen_def_assigns): Likewise.
5783         * tree-cfg.c (gimple_make_forwarder_block): Likewise.
5784         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
5785         create_zero_dim_array with the SSA name.
5786         (rewrite_phi_out_of_ssa): Likewise.
5787         (rewrite_cross_bb_scalar_dependence): Likewise.  Use copy_ssa_name.
5789 2012-08-07  Richard Guenther  <rguenther@suse.de>
5791         * tree-dfa.c (set_ssa_default_def): Clear the SSA_NAME_DEFAULT_DEF
5792         bit of the old name when we clear the slot.
5793         * tree-ssa-live.c (remove_unused_locals): Release any default
5794         def associated with an unused var.
5795         * tree-ssa-copy.c (may_propagate_copy_into_asm): Always return true.
5797 2012-08-07  Richard Guenther  <rguenther@suse.de>
5799         * tree-into-ssa.c (rewrite_stmt): Remove clobbers for variables
5800         we rewrite into SSA form.
5801         (rewrite_enter_block): Adjust.
5802         * gimple-iterator.c (gsi_replace): Also allow replacement with
5803         a stmt without a lhs.
5804         * tree-ssa-live.c (remove_unused_locals): Remove code handling
5805         clobbers of SSA names.
5806         * tree-nested.c (convert_local_reference_stmt): Remove clobbers
5807         for variables we access through the local chain.
5808         * tree-cfg.c (verify_gimple_assign_single): Verify clobbers
5809         clobber full decls only.
5811 2012-08-07  Richard Guenther  <rguenther@suse.de>
5813         * gimple.h (gimple_phi_set_result): Adjust SSA_NAME_DEF_STMT.
5814         * tree-phinodes.c (make_phi_node): Allow a NULL var.
5815         * tree-into-ssa.c (insert_phi_nodes_for): Simplify.
5816         * tree-complex.c (update_phi_components): Likewise.
5817         * tree-ssa-loop-manip.c (create_iv): Likewise.
5818         (add_exit_phis_edge): Likewise.
5819         (split_loop_exit_edge): Likewise.
5820         (tree_transform_and_unroll_loop): Likewise.
5821         * value-prof.c (gimple_ic): Likewise.
5822         (gimple_stringop_fixed_value): Likewise.
5823         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
5824         * omp-low.c (expand_parallel_call): Likewise.
5825         (expand_omp_for_static_chunk): Likewise.
5826         (expand_omp_atomic_pipeline): Likewise.
5827         * tree-parloops.c (create_phi_for_local_result): Likewise.
5828         (transform_to_exit_first_loop): Likewise.
5829         * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
5830         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Likewise.
5831         * tree-predcom.c (initialize_root_vars): Likewise.
5832         (initialize_root_vars_lm): Likewise.
5833         * sese.c (sese_add_exit_phis_edge): Likewise.
5834         * gimple-streamer-in.c (input_phi): Likewise.
5835         * tree-inline.c (copy_phis_for_bb): Likewise.
5836         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
5837         * tree-cfg.c (gimple_make_forwarder_block): Likewise.
5838         (gimple_duplicate_bb): Likewise.
5840 2012-08-07  Nick Clifton  <nickc@redhat.com>
5842         * config/mn10300/mn10300.c (mn10300_expand_prologue): Report
5843         stack usage if requested.
5845 2012-08-06  Cary Coutant  <ccoutant@google.com>
5847         * cgraphunit.c (assemble_thunk): Add source line info.
5848         * final.c (final): Check for non-null cfg pointer.
5850 2012-08-06  Sandra Loosemore  <sandra@codesourcery.com>
5851             Maxim Kuvyrkov  <maxim@codesourcery.com>
5852             Julian Brown  <julian@codesourcery.com>
5854         * config/mips/24k.md (r24k_unknown_store): Delete special handling
5855         for cprestore.
5856         (r24k_int_load, r24k_int_arith, r24k_int_mul3, r24k_int_mfhilo)
5857         (r24k_int_cop, r24k_int_multi)
5858         (r24kf2_1_fcvt_f2i, r24kf2_1_fxfer)
5859         (r24kf1_1_fcvt_f2i, r24kf1_1_fxfer): Use mips_store_data_bypass_p
5860         instead of store_data_bypass_p.
5861         * config/mips/74k.md (r74k_int_store): Delete special handling for
5862         cprestore.
5863         (r74k_int_load, r74k_int_logical, r74k_int_arith, r74k_int_cmove):
5864         Use mips_store_data_bypass_p instead of store_data_bypass_p.
5866 2012-08-06  Marc Glisse  <marc.glisse@inria.fr>
5868         PR tree-optimization/51938
5869         PR tree-optimization/52005
5870         * tree-ssa-ifcombine.c (ifcombine_ifandif): New parameters for
5871         inverted conditions.
5872         (ifcombine_iforif): Remove, merge code into ifcombine_ifandif.
5873         (tree_ssa_ifcombine_bb): Update calls to the above. Detect !a&&b
5874         and !a||b patterns.
5876 2012-08-06  Olivier Hainque  <hainque@adacore.com>
5878         * tree-emutls.c (new_emutls_decl): When a var_section is requested by
5879         the target, attach the new decl to that, not to the template section.
5881 2012-08-06  Tom de Vries  <tom@codesourcery.com>
5883         * tree-switch-conversion.c (emit_case_bit_tests): Generate MINUS_EXPR in
5884         unsigned type.
5886 2012-08-05  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
5888         * doc/invoke.texi: Document AMD btver2.
5889         * doc/extend.texi: Document AMD btver1 and btver2.
5891 2012-08-04  Sandra Loosemore  <sandra@codesourcery.com>
5892             Richard Sandiford  <rdsandiford@googlemail.com>
5894         * config/mips/mips.c (mips_option_override): Check -fpic
5895         for compatibility with -mabicalls and ABI.
5897 2012-08-04  Catherine Moore  <clm@codesourcery.com>
5898             Sandra Loosemore  <sandra@codesourcery.com>
5900         * config/mips/xlr.md (ir_xlr_alu_clz): New insn_reservation.
5901         (ir_xlr_alu): Remove clz.
5902         * config/mips/mips-cpus.def (xlr): Set PTF_AVOID_BRANCHLIKELY.
5904 2012-08-04  Richard Earnshaw  <rearnsha@arm.com>
5906         * arm.c (arm_gen_constant): Use SImode when preparing operands for
5907         gen_extzv_t2.
5909 2012-08-04  Uros Bizjak  <ubizjak@gmail.com>
5911         * config/i386/i386.h (QI_REGNO_P): New define.
5912         (ANY_QI_REGNO_P): Ditto.
5913         (GENERAL_REGNO_P): Use IN_RANGE macro.
5914         (QI_REG_P): Use QI_REGNO_P.
5915         (ANY_QI_REG_P): Use GENERAL_REGNO_P and QI_REGNO_P.
5916         (HARD_REGNO_CALLER_SAVE_MODE): Use QI_REGNO_P.
5917         * config/i386/i386.c (ix86_hard_regno_mode_ok): Ditto.
5918         (x86_extended_QIreg_mentioned_p): Ditto.  Also check if
5919         register is a general register.
5921 2012-08-03  Uros Bizjak  <ubizjak@gmail.com>
5923         * config/i386/sync.md (*atomic_fetch_add_cmp<mode>): Use
5924         incdec_operand predicate to return INC or DEC insn mnemonic.
5925         Add %K operand modifier.
5926         (atomic_add<mode>): Use incdec_operand predicate to
5927         return INC or DEC insn mnemonic.
5928         (atomic_dec<mode>): Ditto.
5930 2012-08-03  Michael Matz  <matz@suse.de>
5932         PR tree-optimization/54146
5933         * cfgexpand.c (add_scope_conflicts_1): Use bitmap_ior_into.
5934         (add_scope_conflicts): Iterate in RPO order.
5935         (add_stack_protection_conflicts): Iterate over the other triangle.
5936         (fini_vars_expansion): Clear stack_vars_sorted.
5938 2012-08-03  Marc Glisse  <marc.glisse@inria.fr>
5940         PR tree-optimization/30318
5941         * double-int.c (mul_double_wide_with_sign): New function.
5942         (mul_double_with_sign): Call the new function.
5943         * double-int.h (mul_double_wide_with_sign): Declare the new function.
5944         * tree-vrp.c (extract_range_from_binary_expr_1) [MULT_EXPR]:
5945         Handle integer types that wrap on overflow.
5946         (quad_int_cmp): New helper function.
5947         (quad_int_pair_sort): Likewise.
5949 2012-08-03  Richard Guenther  <rguenther@suse.de>
5951         * tree-vect-loop-manip.c (vect_can_advance_ivs_p): Query
5952         is_gimple_reg on the SSA name, not its variable.
5953         (vect_update_ivs_after_vectorizer): Likewise.
5954         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
5955         * tree-if-conv.c (if_convertible_phi_p): Likewise.
5956         (predicate_scalar_phi): Likewise.
5957         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Likewise.
5958         (vect_analyze_scalar_cycles_1): Likewise.
5959         * tree-ssa-live.c (register_ssa_partition_check): Likewise.
5960         * tree-outof-ssa.c (eliminate_useless_phis): Likewise.
5961         * tree-ssa-reassoc.c (phi_rank): Likewise.
5962         * tree-parloops.c (separate_decls_in_region_name): Use
5963         replace_ssa_name_symbol.
5964         * tree-predcom.c (base_names_in_chain_on): Likewise.
5965         * matrix-reorg.c (update_type_size): Query the type of the SSA name,
5966         not its variable.
5967         * gimple-ssa-strength-reduction.c (create_mul_ssa_cand): Likewise.
5968         (create_mul_imm_cand): Likewise.
5969         (create_add_ssa_cand): Likewise.
5970         (create_add_imm_cand): Likewise.
5971         (slsr_process_add): Likewise.
5972         * tree-inline.c (remap_ssa_name): Do not set the type of the
5973         new SSA_NAME.
5974         * tree-ssa-structalias.c (get_constraint_for_ssa_var): Clarify assert.
5975         Check for default def first.
5977 2012-08-04  Steven Bosscher  <steven@gcc.gnu.org>
5979         * cfgrtl.c (print_rtl_with_bb): Do not print a newline between insns.
5981         * sched-vis.c (print_pattern): Handle SEQUENCE also.
5983 2012-08-02  Richard Henderson  <rth@redhat.com>
5985         Revert:
5986         PR 34548
5987         * function.h (struct rtl_data): Add max_dynamic_stack_alignment.
5988         * cfgexpand.c (gimple_expand_cfg): Initialise it.
5989         * explow.c (allocate_dynamic_stack_space): Set it.  Simplify
5990         alignment requirements given the known alignment of dynamic_offset.
5991         * function.c (instantiate_virtual_regs): Align dtnamic_offset.
5993 2012-08-02  Kenneth Zadeck <zadeck@naturalbridge.com>
5995         * cfgexpand.c (expand_debug_locations):  Encapsulate test for
5996         CONST_DOUBLE in macro.
5997         * combine.c (try_combine, gen_lowpart_for_combine): Ditto.
5998         * cprop.c (implicit_set_cond_p): Ditto.
5999         * cselib.c (rtx_equal_for_cselib_1): Ditto.
6000         * expmed.c (expand_mult): Ditto.
6001         * expr.c (convert_modes): Ditto.
6002         * ira-costs.c (record_reg_classes): Ditto.
6003         * ira-lives.c (single_reg_class): Ditto.
6004         * optabs.c (expand_copysign_absneg, expand_copysign): Ditto.
6005         * print-rtl.c (print_rtx): Ditto.
6006         * recog.c (simplify_while_replacing, const_double_operand)
6007         (asm_operand_ok, constrain_operands): Ditto.
6008         * reg-stack.c (subst_stack_regs_pat): Ditto.
6009         * reload.c (find_reloads, find_equiv_reg): Ditto.
6010         * rtlanal.c (replace_rtx): Remove test.
6011         * rtlanal.c (constant_pool_constant_p, split_double): Encapsulate
6012         test for CONST_DOUBLE in macro.
6013         * simplify-rtx.c (mode_signbit_p, avoid_constant_pool_reference)
6014         (simplify_unary_operation_1, simplify_const_unary_operation)
6015         (simplify_binary_operation_1, simplify_const_binary_operation)
6016         (simplify_relational_operation_1)
6017         (simplify_const_relational_operations)
6018         (implify_subreg): Ditto.
6019         * varasm.c (output_constant_pool_2): Ditto.
6020         * rtl.h (CONST_DOUBLE_AS_INT_P, CONST_DOUBLE_AS_FLOAT_P): New macros.
6021         * rtl.def (CONST_DOUBLE):  Updated comments.
6023 2012-08-02  Richard Sandiford  <rdsandiford@googlemail.com>
6025         PR target/51931
6026         * config/mips/mips-protos.h (mips_strip_unspec_address): Declare.
6027         * config/mips/mips.c (mips_strip_unspec_address): Make extern.
6028         (mips16_rewrite_pool_constant): Make a copy of the pool constant
6029         before adding to a PC-relative table.
6030         (mips16_lay_out_constants): Add a SPLIT_P parameter.
6031         (mips16_load_branch_target, mips16_split_long_branches): New functions.
6032         (mips_reorg): Update call to mips16_lay_out_constants.
6033         Call mips16_split_long_branches.
6034         * config/mips/predicates.md (pc_or_label_operand): Delete.
6035         * config/mips/mips.md (length): Add a calculation for MIPS16 branches.
6036         Move the extended_mips16 handling further down.
6037         (*branch_equality<mode>_mips16): Replace use pc_or_label_operand
6038         with explicit label_ref and pc.  Follow the usual operand numbering.
6039         (*branch_equality<mode>_mips16_inverted): New pattern.
6040         (*jump_mips16): Add length attribute.
6041         (indirect_jump_and_restore_<mode>): New pattern.
6042         (consttable_int): Call mips_strip_unspec_address on the operand.
6044 2012-08-02  Richard Sandiford  <rdsandiford@googlemail.com>
6046         * recog.c (split_insn): Copy the original SET_SRC before using
6047         it as a note.
6049 2012-08-02  Richard Sandiford  <rdsandiford@googlemail.com>
6051         * reorg.c (dbr_schedule): Delete REG_BR_PRED loop.
6053 2012-08-02  Marc Glisse  <marc.glisse@inria.fr>
6055         PR tree-optimization/53805
6056         * fold-const.c (invert_tree_comparison): Invert ORDERED_EXPR and
6057         UNORDERED_EXPR even for trapping floating point.
6059 2012-08-02  H.J. Lu  <hongjiu.lu@intel.com>
6061         PR middle-end/53321
6062         PR middle-end/53865
6063         * ipa-inline-analysis.c (inline_free_summary): Return if
6064         inline_edge_summary_vec is NULL.
6066         * ipa-split.c (execute_split_functions): Check if a function
6067         is inlinable only if inline_edge_summary_vec != NULL.
6069         * ipa.c (symtab_remove_unreachable_nodes): Restore
6070         cgraph_propagate_frequency call when something was changed.
6071         (free_inline_summary): New function.
6072         (pass_ipa_free_inline_summary): New pass.
6074         * passes.c (init_optimization_passes): Add
6075         pass_ipa_free_inline_summary before pass_ipa_tree_profile.
6077         * timevar.def (TV_IPA_FREE_INLINE_SUMMARY): New.
6079         * tree-pass.h (pass_ipa_free_inline_summary): New.
6081 2012-08-02  Richard Earnshaw  <rearnsha@arm.com>
6083         * arm.c (arm_gen_constant): Use UBFX for some AND operations when
6084         available.
6086 2012-08-02  Richard Guenther  <rguenther@suse.de>
6088         * tree-into-ssa.c (struct common_info_d): New struct.
6089         (struct var_info_d, struct ssa_name_info): Use it.
6090         (get_ssa_name_ann): Adjust.
6091         (get_phi_state, set_phi_state): Remove.
6092         (get_common_info): New function.
6093         (get_current_def, set_current_def): Adjust.
6094         (get_def_blocks_for): Take a common info as param.
6095         (set_def_block): Call get_common_info once.
6096         (set_livein_block): Likewise.
6097         (find_def_blocks_for): Adjust.
6098         (insert_phi_nodes): Likewise.
6099         (register_new_def): Call get_common_info once.
6100         (get_reaching_def): Likewise.
6101         (rewrite_debug_stmt_uses): Likewise.
6102         (rewrite_leave_block): Likewise.
6103         (dump_currdefs): Likewise.
6104         (debug_var_infos_r): Adjust.
6105         (register_new_update_single): Call get_common_info once.
6106         (maybe_replace_use_in_debug_stmt): Likewise.
6107         (rewrite_update_leave_block): Likewise.
6108         (mark_use_interesting): Adjust.
6109         (create_new_def_for): Likewise.
6110         (update_ssa): Likewise.
6112 2012-08-02  Michael Matz  <matz@suse.de>
6114         * tree-ssa-live.c (set_is_used): Return a bool.
6115         (mark_all_vars_used): Don't take data argument.
6116         (mark_all_vars_used_1): Adjust calls to above, merge handling
6117         of local and global vars.
6118         (remove_unused_scope_block_p): Don't take global_unused_vars,
6119         merge handling of local and global vars.
6120         (remove_unused_locals): Don't allocate/fill/pass global_unused_vars,
6121         use is_used_p for local and global vars.
6123 2012-08-02  Richard Guenther  <rguenther@suse.de>
6125         * tree-flow.h (make_rename_temp): Remove.
6126         * tree-dfa.c (make_rename_temp): Likewise.
6127         * cgraphunit.c (thunk_adjust, assemble_thunk): Use create_tmp_reg
6128         instead of make_rename_temp.
6129         * omp-low.c (expand_omp_for_generic, expand_omp_for_static_nochunk,
6130         expand_omp_atomic_pipeline): Likewise.
6131         * trans-mem.c (tm_log_emit_save_or_restores, build_tm_load,
6132         build_tm_store, expand_call_tm, expand_transaction,
6133         ipa_tm_insert_gettmclone_call): Likewise.
6134         * tree-complex.c (expand_complex_div_wide): Likewise.
6135         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6136         Likewise.
6137         * tree-ssa-loop-im.c (execute_sm_if_changed_flag_set, execute_sm):
6138         Likewise.
6139         * tree-ssa-math-opts.c (insert_reciprocals): Likewise.
6140         * value-prof.c (gimple_divmod_fixed_value, gimple_mod_pow2,
6141         gimple_mod_subtract): Likewise.
6143 2012-08-02  Richard Guenther  <rguenther@suse.de>
6145         * tree-flow.h (set_default_def): Rename to ...
6146         (set_ssa_default_def): ... this.  Take a struct function argument.
6147         (gimple_default_def): Rename to ...
6148         (ssa_default_def): ... this.
6149         (get_or_create_ssa_default_def): New function.
6150         * tree-dfa.c: Likewise.
6151         (dump_variable): Adjust.
6152         * ipa-prop.c (ipa_analyze_params_uses): Adjust, properly check
6153         for used parameters.
6154         * ipa-split.c (consider_split): Adjust, avoid repeated default-def
6155         lookups.
6156         (split_function): Likewise.
6157         * lto-streamer-in.c (input_ssa_names): Adjust.
6158         * omp-low.c (expand_omp_taskreg): Likewise.
6159         * tree-cfg.c (replace_ssa_name): Adjust, no need to push/pop cfun.
6160         * tree-complex.c (init_parameter_lattice_values): Adjust.
6161         (get_component_ssa_name): Likewise.
6162         (update_parameter_components): Likewise.
6163         * tree-inline.c (remap_ssa_name): Likewise.
6164         (setup_one_parameter): Likewise.
6165         (initialize_inlined_parameters): Likewise.
6166         (declare_return_variable): Likewise.
6167         (expand_call_inline): Likewise.
6168         (tree_function_versioning): Likewise.
6169         * tree-into-ssa.c (get_default_def_for): Remove.
6170         (get_reaching_def): Use get_or_create_ssa_default_def instead.
6171         * tree-predcom.c (replace_ref_with): Adjust.
6172         * tree-sra.c (get_repl_default_def_ssa_name): Likewise.
6173         (is_unused_scalar_param): Likewise.
6174         (ptr_parm_has_direct_uses): Likewise.
6175         (sra_ipa_reset_debug_stmts): Likewise.
6176         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust.
6177         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
6178         * tree-ssa-live.c (verify_live_on_entry): Likewise.
6179         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise,
6180         avoid repeated default def lookups.
6181         * tree-ssa-sccvn.c (run_scc_vn): Likewise.
6182         * tree-tailcall.c (arg_needs_copy_p): Adjust.
6183         (tree_optimize_tail_calls_1): Likewise.
6185 2012-08-02  Richard Guenther  <rguenther@suse.de>
6187         PR tree-optimization/50672
6188         Revert
6189         2012-08-01  Richard Guenther  <rguenther@suse.de>
6191         * tree-ssa-tail-merge.c (release_last_vdef): Remove.
6192         (replace_block_by): Adjust.
6194 2012-08-02  Richard Guenther  <rguenther@suse.de>
6196         * tree-dfa.c (referenced_var_lookup): Remove.
6197         (find_referenced_vars): Remove.
6198         (pass_referenced_vars): Likewise.
6199         (make_rename_temp): Do not add referenced vars.
6200         (dump_referenced_vars): Remove.
6201         (debug_referenced_vars): Likewise.
6202         (dump_dfa_stats): Do not dump referenced var stats.
6203         (find_vars_r): Remove.
6204         (find_referenced_vars_in): Likewise.
6205         (referenced_var_check_and_insert): Likewise.
6206         (add_referenced_var_1): Likewise.
6207         (remove_referenced_var): Likewise.
6208         * tree-flow.h (referenced_var_lookup): Likewise.
6209         (struct gimple_df): Remove referenced_vars member.
6210         (typedef referenced_var_iterator): Remove.
6211         (FOR_EACH_REFERENCED_VAR): Likewise.
6212         (num_referenced_vars): Likewise.
6213         (debug_referenced_vars, dump_referenced_vars): Likewise.
6214         (add_referenced_var_1, add_referenced_var): Likewise.
6215         (remove_referenced_var): Likewise.
6216         (find_referenced_vars_in): Likewise.
6217         * tree-flow-inline.h (gimple_referenced_vars): Remove.
6218         (first_referenced_var): Likewise.
6219         (end_referenced_vars_p): Likewise.
6220         (next_referenced_var): Likewise.
6221         * cfgexpand.c (update_alias_info_with_stack_vars): Remove assert.
6222         * gimple-pretty-print.c (pp_points_to_solution): Dump UIDs
6223         unconditionally.
6224         * tree-into-ssa.c (dump_decl_set): Likewise.
6225         (pass_build_ssa): Do not require PROP_referenced_vars.
6226         * tree-ssa.c (target_for_debug_bind): Virtual operands are
6227         not suitable, but all register type vars are.
6228         (init_tree_ssa): Do not allocate referenced vars.
6229         (delete_tree_ssa): Do not free referenced vars.
6230         * cgraphunit.c (init_lowered_empty_function): Do not set
6231         PROP_referenced_vars.
6232         (assemble_thunk): Do not add referenced vars.
6233         * gimple-fold.c (canonicalize_constructor_val): Likewise.
6234         (gimplify_and_update_call_from_tree): Likewise.
6235         * gimple-streamer-in.c (input_bb): Likewise.
6236         * passes.c (init_optimization_passes): Do not run
6237         pass_referenced_vars.
6238         (dump_properties): Do not dump PROP_referenced_vars.
6239         * tree-inline.c (remap_decl): Do not add referenced vars.
6240         (remap_gimple_op_r): Likewise.
6241         (copy_tree_body_r): Likewise.
6242         (copy_bb): Likewise.
6243         (setup_one_parameter): Likewise.
6244         (declare_return_variable): Likewise.
6245         (copy_decl_for_dup_finish): Likewise.
6246         (copy_arguments_for_versioning): Likewise.
6247         (tree_function_versioning): Likewise.
6248         * tree-pass.h (PROP_referenced_vars): Remove.
6249         (pass_referenced_vars): Likewise.
6250         * tree-profile.c (gimple_gen_edge_profiler): Do not add
6251         referenced vars.
6252         (gimple_gen_interval_profiler): Likewise.
6253         (gimple_gen_pow2_profiler): Likewise.
6254         (gimple_gen_one_value_profiler): Likewise.
6255         (gimple_gen_ic_profiler): Likewise.
6256         (gimple_gen_average_profiler): Likewise.
6257         (gimple_gen_ior_profiler): Likewise.
6258         * tree-ssa-live.c (remove_unused_locals): Do not touch referenced vars.
6259         * tree-cfg.c (replace_ssa_name): Do not add referenced vars.
6260         (move_stmt_op): Likewise.
6261         * tree-ssa-operands.c (create_vop_var): Likewise.
6262         * gimple-low.c (record_vars_into): Likewise.
6263         * gimplify.c (gimple_regimplify_operands): Likewise.
6264         (force_gimple_operand_1): Likewise.
6265         * omp-low.c (expand_omp_for_generic): Likewise.
6266         (expand_omp_for_static_chunk): Likewise.
6267         (expand_omp_atomic_pipeline): Likewise.
6268         * graphite-clast-to-gimple.c (graphite_create_new_loop): Likewise.
6269         (translate_clast_assignment): Likewise.
6270         * graphite-sese-to-poly.c (create_zero_dim_array): Likewise.
6271         (handle_scalar_deps_crossing_scop_limits): Likewise.
6272         * ipa-prop.c (ipa_modify_formal_parameters): Likewise.
6273         * ipa-split.c (split_function): Likewise.
6274         * matrix-reorg.c (transform_access_sites): Likewise.
6275         * trans-mem.c (tm_log_add): Likewise.
6276         (ipa_tm_insert_gettmclone_call): Likewise.
6277         * tree-complex.c (create_one_component_var): Likewise.
6278         * tree-if-conv.c (ifc_temp_var): Likewise.
6279         * tree-parloops.c (take_address_of): Likewise.
6280         (initialize_reductions): Likewise.
6281         (separate_decls_in_region_name): Likewise.
6282         (create_call_for_reduction_1): Likewise.
6283         (separate_decls_in_region): Likewise.
6284         * tree-predcom.c (predcom_tmp_var): Likewise.
6285         (reassociate_to_the_same_stmt): Likewise.
6286         * tree-sra.c (build_ref_for_offset): Likewise.
6287         (create_access_replacement): Likewise.
6288         (get_replaced_param_substitute): Likewise.
6289         (sra_ipa_reset_debug_stmts): Likewise.
6290         * tree-ssa-loop-im.c (rewrite_reciprocal): Likewise.
6291         (rewrite_bittest): Likewise.
6292         * tree-ssa-loop-ivopts.c (create_new_iv): Likewise.
6293         * tree-ssa-loop-manip.c (create_iv): Likewise.
6294         (tree_transform_and_unroll_loop): Likewise.
6295         * tree-ssa-math-opts.c (powi_as_mults): Likewise.
6296         (build_and_insert_call): Likewise.
6297         (gimple_expand_builtin_cabs): Likewise.
6298         (execute_optimize_bswap): Likewise.
6299         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
6300         (abs_replacement): Likewise.
6301         (cond_store_replacement): Likewise.
6302         (cond_if_else_store_replacement_1): Likewise.
6303         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
6304         * tree-ssa-pre.c (get_representative_for): Likewise.
6305         (create_expression_by_pieces): Likewise.
6306         (insert_into_preds_of_block): Likewise.
6307         * tree-ssa-propagate.c (update_call_from_tree): Likewise.
6308         * tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
6309         (eliminate_redundant_comparison): Likewise.
6310         (rewrite_expr_tree_parallel): Likewise.
6311         (get_reassoc_pow_ssa_name): Likewise.
6312         * tree-ssa-strlen.c (get_string_length): Likewise.
6313         * tree-switch-conversion.c (emit_case_bit_tests): Likewise.
6314         (build_arrays): Likewise.
6315         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
6316         (create_tailcall_accumulator): Likewise.
6317         * tree-vect-data-refs.c (vect_get_new_vect_var): Likewise.
6318         (vect_create_addr_base_for_vector_ref): Likewise.
6319         (vect_permute_store_chain): Likewise.
6320         (vect_permute_load_chain): Likewise.
6321         * tree-vect-generic.c (expand_vector_divmod): Likewise.
6322         * tree-vect-loop-manip.c (set_prologue_iterations): Likewise.
6323         (vect_build_loop_niters): Likewise.
6324         (vect_generate_tmps_on_preheader): Likewise.
6325         (vect_update_ivs_after_vectorizer): Likewise.
6326         (vect_gen_niters_for_prolog_loop): Likewise.
6327         (vect_do_peeling_for_alignment): Likewise.
6328         (vect_create_cond_for_align_checks): Likewise.
6329         * tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
6330         (vect_handle_widen_op_by_const): Likewise.
6331         (vect_operation_fits_smaller_type): Likewise.
6332         (vect_recog_over_widening_pattern): Likewise.
6333         * tree-vect-stmts.c (vect_init_vector): Likewise.
6335 2012-08-01  Alexandre Oliva  <aoliva@redhat.com>
6337         PR debug/52983
6338         * valtrack.c (dead_debug_insert_temp): Use cleanup_auto_inc_dec.
6340 2012-08-01  Alexandre Oliva  <aoliva@redhat.com>
6342         PR debug/52983
6343         * valtrack.c (cleanup_auto_inc_dec): Implement unconditionally,
6344         falling back to copy_rtx on non-autoinc machines.
6345         (propagate_for_debug_subst): Always use cleanup_auto_inc_dec.
6347 2012-08-01  Alexandre Oliva  <aoliva@redhat.com>
6349         PR debug/52983
6350         * valtrack.h, valtrack.c: New.
6351         * Makefile.in (VALTRACK_H): New.
6352         (OBJS): Add valtrack.o.
6353         (valtrack.o): New.
6354         (cselib.o, dce.o, df-problems.o, combine.o): Add VALTRACK_H.
6355         * combine.c: Include valtrack.h.
6356         (make_compound_operation): Publish.
6357         (cleanup_auto_inc_dec): Move to valtrack.c.
6358         (struct rtx_subst_pair, propagate_for_debug_subst): Likewise.
6359         (propagate_for_debug): Likewise.  Add this_basic_block parameter.
6360         Adjust all callers.
6361         * cselib.c: Include valtrack.h.
6362         * dce.c: Likewise.
6363         * df-problems.c: Likewise.
6364         (dead_debug_init, dead_debug_reset_uses): Move to valtrack.c.
6365         (dead_debug_finish, dead_debug_add): Likewise.
6366         (dead_debug_insert_temp): Likewise.
6367         * df.h (struct dead_debug_use): Move to valtrack.h.
6368         (struct dead_debug, enum debug_temp_where): Likewise.
6369         (dead_debug_init, dead_debug_reset_uses): Move to valtrack.h.
6370         (dead_debug_finish, dead_debug_add): Likewise.
6371         (dead_debug_insert_temp): Likewise.
6372         * rtl.h (make_compound_operation): Declare.
6374 2012-08-01  Catherine Moore  <clm@codesourcery.com>
6375             Sandra Loosemore  <sandra@codesourcery.com>
6377         * config/mips/mips-cpus.def (34kn): New.
6378         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): Add 34kn.
6379         (BASE_DRIVER_SELF_SPECS): Do not imply -mdsp for the 34kn.
6380         * config/mips/mips-tables.opt: Regenerate.
6381         * doc/invoke.texi (MIPS Options): Document -march=34kn.
6383 2012-08-01  Richard Henderson  <rth@redhat.com>
6385         * expmed.h (NUM_MODE_PARTIAL_INT): New.
6386         (NUM_MODE_VECTOR_INT, NUM_MODE_IP_INT, NUM_MODE_IPV_INT): New.
6387         (struct expmed_op_cheap): Size one array on NUM_MODE_IPV_INT.
6388         (struct expmed_op_costs): Likewise.
6389         (struct target_expmed): Size x_convert_cost on NUM_MODE_IP_INT.
6390         (expmed_mode_index): New.
6391         (expmed_op_cheap_ptr, expmed_op_cost_ptr): Use expmed_mode_index.
6392         (convert_cost_ptr): Likewise.
6393         * expmed.c (struct init_expmed_rtl): Rename convert to trunc.
6394         (init_expmed_one_conv): Split out from ...
6395         (init_expmed_one_mode): ... here.  Iterate conversions over
6396         partial integer modes too.
6397         (init_expmed): Iterate over partial integer modes too.
6399 2012-08-01  Richard Henderson  <rth@redhat.com>
6401         * config/m32c/m32c.c (TARGET_INIT_LIBFUNCS): Remove.
6402         (m32c_init_libfuncs): Remove.
6403         * config/m32c/cond.md (cstore<QHPSI>4_16): Rename from cstore<QHPSI>4.
6404         (cstore<QHPSI>4): New expander.
6406 2012-08-01  Richard Guenther  <rguenther@suse.de>
6408         * tree-flow-inline.h (referenced_var): Remove.
6409         * tree-ssa-coalesce.c (create_outofssa_var_map): Remove duplicate
6410         checking code.
6411         * tree-sra.c (candidates): New global hashtable.
6412         (candidate): New function.
6413         (sra_initialize): Initialize candidates.
6414         (sra_deinitialize): Free candidates.
6415         (disqualify_candidate): Remove candidate from candidates.
6416         (maybe_add_sra_candidate): New function.
6417         (find_var_candidates): Walk over all local decls and parameters,
6418         add candidates to candidates hashtable.
6419         (find_param_candidates): Add candidates to candidates hashtable.
6420         (analyze_all_variable_accesses): Use candidate instead of
6421         referenced_var.
6423 2012-08-01  Tom de Vries  <tom@codesourcery.com>
6425         * tree-vrp.c (find_case_label_ranges): New function.
6426         (vrp_visit_switch_stmt, simplify_switch_using_ranges): Use
6427         find_case_label_ranges instead of find_case_label_range.  Handle second
6428         range.
6430 2012-08-01  Michael Matz  <matz@suse.de>
6432         * tree-complex.c (init_parameter_lattice_values): Don't call var_ann.
6433         * tree-dfa.c (struct dfa_stats_d): Remove num_var_anns member.
6434         (dump_dfa_stats): Don't dump stats about var anns.
6435         (collect_dfa_stats): Don't collect them.
6436         (add_referenced_var_1): Don't set var annotation pointers.
6437         (remove_referenced_var): Ditto, and only remove it it's in the
6438         hash table.
6440         * tree-flow-inline.h (var_ann): Remove.
6441         * tree-flow.h (struct var_ann_d, var_ann_t): Remove.
6443         * tree-inline.c (remapped_type): Remove.
6444         (can_be_nonlocal): Most variable will be considered live here,
6445         return false earlier.
6446         (remap_decls): Don't call var_ann, all variables will be considered
6447         referenced here.
6448         (copy_debug_stmt): Ditto, and use is_global_var.
6450         * tree-into-ssa.c (rewrite_debug_stmt_uses): Use get_current_def to
6451         determine if a variable was referred to, not var_ann.
6452         * tree-ssa-live.c (remove_unused_scope_block_p): Don't check var_ann.
6453         (remove_unused_locals): Ditto.
6454         * tree-ssa.c (delete_tree_ssa): Don't free/clear var ann pointers.
6455         * tree-tailcall.c (arg_needs_copy_p): Don't check var_ann.
6456         * tree.c (copy_node_stat): Don't clear var ann pointer.
6457         * tree.h (tree_result_decl, tree_parm_decl, tree_var_decl): Remove
6458         ann member.
6459         (DECL_VAR_ANN_PTR): Remove.
6461 2012-08-01  Michael Matz  <matz@suse.de>
6463         * tree-flow.h (struct var_ann_d): Rename used member.
6464         (set_is_used): Don't declare.
6465         * tree-flow-inline.h (clear_is_used): Remove.
6466         (set_is_used, is_used_p): Move to ...
6467         * tree-ssa-live.c (set_is_used, is_used_p): ... here, and use
6468         on the side bitmap.
6469         (usedvars): New bitmap.
6470         (dump_scope_block): Don't dump unusedness.
6471         (remove_unused_locals): Allocate and free usedvars.
6472         * tree-nrv.c (tree_nrv): Don't clear used flags here.
6474 2012-08-01  Michael Matz  <matz@suse.de>
6476         * tree-flow.h (struct var_ann_d): Remove base_var_processed and
6477         base_index members.
6478         * tree-ssa-live.h (struct _var_map): Remove basevars member.
6479         (VAR_ANN_BASE_INDEX): Remove.
6480         * tree-ssa-live.c (var_map_base_init): Use a hash table instead
6481         of var annotation to compress index space.  Don't deal with above
6482         removed members.
6483         (var_map_base_fini): Don't free basevars.
6484         (init_var_map): Don't clear basevars.
6486 2012-08-01  Bill Schmidt  <wschmidt@linux.ibm.com>
6488         * gimple-ssa-strength-reduction.c (struct slsr_cand_d): Change
6489         base_name to base_expr.
6490         (struct cand_chain_d): Likewise.
6491         (base_cand_hash): Likewise.
6492         (base_cand_eq): Likewise.
6493         (record_potential_basis): Likewise.
6494         (alloc_cand_and_find_basis): Likewise.
6495         (create_mul_ssa_cand): Likewise.
6496         (create_mul_imm_cand): Likewise.
6497         (create_add_ssa_cand): Likewise.
6498         (create_add_imm_cand): Likewise.
6499         (slsr_process_cast): Likewise.
6500         (slsr_process_copy): Likewise.
6501         (dump_candidate): Likewise.
6502         (base_cand_dump_callback): Likewise.
6503         (unconditional_cands_with_known_stride_p): Likewise.
6504         (cand_increment): Likewise.
6506 2012-08-01  Bill Schmidt  <wschmidt@linux.ibm.com>
6508         PR tree-optimization/46556
6509         * gimple-ssa-strength-reduction.c (enum cand_kind): Add CAND_REF.
6510         (base_cand_map): Change to hash table.
6511         (base_cand_hash): New function.
6512         (base_cand_free): Likewise.
6513         (base_cand_eq): Likewise.
6514         (lookup_cand): Change base_cand_map to hash table.
6515         (find_basis_for_candidate): Likewise.
6516         (base_cand_from_table): Exclude CAND_REF.
6517         (restructure_reference): New function.
6518         (slsr_process_ref): Likewise.
6519         (find_candidates_in_block): Call slsr_process_ref.
6520         (dump_candidate): Handle CAND_REF.
6521         (base_cand_dump_callback): New function.
6522         (dump_cand_chains): Change base_cand_map to hash table.
6523         (replace_ref): New function.
6524         (replace_refs): Likewise.
6525         (analyze_candidates_and_replace): Call replace_refs.
6526         (execute_strength_reduction): Change base_cand_map to hash table.
6528 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
6530         * config/i386/i386.c (ix86_address_subreg_operand): Reject
6531         stack pointer.
6532         (ix86_print_operand_address): Assert that parts.base and parts.index
6533         are non-NULL after call to simplify_subreg.
6535 2012-08-01  Richard Guenther  <rguenther@suse.de>
6537         * doc/tree-ssa.texi: Remove pieces mentioning mark_sym_for_renaming.
6539 2012-08-01  Richard Guenther  <rguenther@suse.de>
6541         * graphite-clast-to-gimple.c (translate_clast_user): Rename
6542         virtual operands.
6543         * sese.c (graphite_copy_stmts_from_block): Do not rename virtual
6544         operands here.
6545         * tree-call-cdce.c (tree_call_cdce): Use
6546         mark_virtual_operands_for_renaming.
6547         * tree-eh.c (sink_clobbers): Simplify.
6548         * tree-flow.h (mark_sym_for_renaming): Remove.
6549         (mark_virtual_operands_for_renaming): New function.
6550         * tree-if-conv.c (tree_if_conversion): Use
6551         mark_virtual_operands_for_renaming.
6552         * tree-inline.c (update_ssa_across_abnormal_edges): Likewise.
6553         * tree-into-ssa.c (mark_sym_for_renaming): Remove.
6554         (mark_virtual_operands_for_renaming): New function.
6555         * tree-loop-distribution.c (tree_loop_distribution): Use
6556         mark_virtual_operands_for_renaming.
6557         * tree-ssa-dce.c (mark_virtual_operand_for_renaming): Do not
6558         update stmts, use mark_virtual_operands_for_renaming.
6559         * tree-ssa-tail-merge.c (release_last_vdef): Remove.
6560         (replace_block_by): Adjust.
6561         (tail_merge_optimize): Use mark_virtual_operands_for_renaming.
6562         * tree-tailcall.c (tree_optimize_tail_calls_1): Use
6563         mark_virtual_operands_for_renaming.
6564         * tree-vect-slp.c (vect_slp_transform_bb): Likewise.
6565         * tree-vectorizer.c (vectorize_loops): Likewise.
6567 2012-08-01  Richard Guenther  <rguenther@suse.de>
6569         * tree-flow.h (struct gimple_df): Remove syms_to_rename member,
6570         add ssa_renaming_needed and rename_vops flags.
6571         (SYMS_TO_RENAME): Remove.
6572         (symbol_marked_for_renaming): Likewise.
6573         (mark_virtual_ops_for_renaming): Likewise.
6574         * tree-into-ssa.c (symbols_to_rename_set, symbols_to_rename):
6575         New globals.
6576         (mark_for_renaming, marked_for_renaming): New functions.
6577         (symbol_marked_for_renaming): Remove.
6578         (dump_currdefs): Adjust.
6579         (maybe_replace_use): Likewise.
6580         (maybe_replace_use_in_debug_stmt): Likewise.
6581         (maybe_register_def): Likewise.
6582         (rewrite_update_phi_arguments): Likewise.
6583         (rewrite_update_enter_block): Likewise.
6584         (fini_ssa_renamer): Clear update SSA status here ...
6585         (delete_update_ssa): ... not here.  Free rename set.
6586         (prepare_block_for_update): Compute which decls need renaming.
6587         (dump_update_ssa): Adjust.
6588         (mark_sym_for_renaming): Adjust update SSA status for virtuals.
6589         (need_ssa_update_p): Adjust.
6590         (insert_updated_phi_nodes_for): Likewise.
6591         (update_ssa): Likewise.
6592         * tree-ssa-operands.c (finalize_ssa_defs): Adjust update SSA status
6593         for virtual and real operands.
6594         (finalize_ssa_uses): Likewise.
6595         * tree-ssanames.c (init_ssanames): Adjust.
6596         * tree-ssa.c (maybe_rewrite_mem_ref_base, maybe_optimize_var,
6597         execute_update_addresses_taken): Add bitmap to keep track of which
6598         candidates are suitable for rewriting and later renaming by SSA update.
6599         * matrix-reorg.c (transform_access_sites): Do not rename all defs.
6600         * tree-dfa.c (make_rename_temp): Do not mark real operands for
6601         renaming.
6602         * cgraphunit.c (assemble_thunk): Likewise.
6603         * gimplify.c (gimple_regimplify_operands): Likewise.
6604         (force_gimple_operand_1): Likewise.
6605         * ipa-prop.c (ipa_modify_formal_parameters): Likewise.
6606         * tree-inline.c (declare_return_variable): Likewise.
6607         * tree-parloops.c (separate_decls_in_region_stmt): Do not call
6608         mark_virtual_ops_for_renaming.
6609         (create_stores_for_reduction): Likewise.
6610         (create_loads_and_stores_for_name): Likewise.
6611         * tree-predcom.c (mark_virtual_ops_for_renaming): Remove.
6612         (initialize_root_vars_lm): Do not call mark_virtual_ops_for_renaming.
6613         (execute_load_motion): Likewise.
6614         (remove_stmt): Likewise.
6615         (execute_pred_commoning_chain): Likewise.
6616         * tree-sra.c (create_access_replacement): Do not rename real operands.
6617         (get_unrenamed_access_replacement): Unify with ...
6618         (get_access_replacement): ... this.
6619         (get_repl_default_def_ssa_name): Adjust.
6620         * tree-ssa-loop-im.c (move_computations_stmt): Manually update
6621         virtual SSA form.
6622         (rewrite_mem_ref_loc): Do not call mark_virtual_ops_for_renaming.
6623         * tree-ssa-loop-prefetch.c (emit_mfence_after_loop): Likewise.
6625 2012-07-31  DJ Delorie  <dj@redhat.com>
6627         * config/s390/s390.c (s390_option_override): Disable DWARF 3/4
6628         extensions for TPF, unless specifically selected.
6630 2012-08-01  Alan Modra  <amodra@gmail.com>
6632         PR target/54131
6633         * config/rs6000/rs6000.c (mem_operand_gpr): Don't limit range
6634         of lo_sum offsets.  Comment.  Assert mode at least word size
6635         rather than bypassing powerpc64 word offset check.
6637 2012-07-31  Bill Schmidt  <wschmidt@linux.ibm.com>
6639         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
6640         costs for vec_perm and vec_promote_demote down to more natural values.
6641         (struct _rs6000_cost_data): New data structure.
6642         (rs6000_density_test): New function.
6643         (rs6000_init_cost): Change to use rs6000_cost_data.
6644         (rs6000_add_stmt_cost): Likewise.
6645         (rs6000_finish_cost): Perform density test when vectorizing a loop.
6647 2012-07-31  Steven Bosscher  <steven@gcc.gnu.org>
6649         * sched-vis.c (print_exp): Handle FMA explicitly.  Simplify handling
6650         of RTX_UNARY function-like operations.  Print unknown expression
6651         RTX classes as pseudo-functions.
6652         (print_pattern): Simplify return pattern printing.
6653         (dump_insn_slim): Print the value of notes as a pattern for proper
6654         printing of CFA notes.
6656 2012-07-31  Dehao Chen  <dehao@google.com>
6658         * predict.c (tree_estimate_probability_driver): Normalize the
6659         loop when initializing the loop optimizer.
6661 2012-07-31  Richard Guenther  <rguenther@suse.de>
6663         * tree-flow.h (struct var_ann_d): Remove need_phi_state
6664         and current_def members.
6665         * tree-into-ssa.c (struct def_blocks_d): Remove var member.
6666         (def_blocks): Remove.
6667         (struct var_info_d): New.
6668         (var_infos): New hashtable.
6669         (struct ssa_name_info): Add def_blocks member.
6670         (get_ssa_name_ann): Adjust.
6671         (get_var_info): New function.
6672         (get_phi_state, set_phi_state, get_current_def,
6673         set_current_def, get_def_blocks_for, find_def_blocks_for): Adjust.
6674         (insert_phi_nodes_compare_def_blocks): Rename to ...
6675         (insert_phi_nodes_compare_var_infos): ... this and adjust.
6676         (insert_phi_nodes): Adjust.
6677         (dump_tree_ssa, dump_tree_ssa_stats): Adjust.
6678         (def_blocks_hash, def_blocks_eq, def_blocks_free): Remove.
6679         (debug_def_blocks_r): Rename to ...
6680         (debug_var_infos_r): ... this and adjust.
6681         (var_info_hash): New function.
6682         (var_info_eq): Likewise.
6683         (rewrite_blocks): Adjust.
6684         (init_ssa_renamer): Likewise.
6685         (fini_ssa_renamer): Likewise.
6686         (delete_update_ssa): Likewise.
6687         (update_ssa): Likewise.
6688         * tree-ssanames.c (release_dead_ssa_names): Do not clear current defs.
6690 2012-07-31  Bill Schmidt  <wschmidt@linux.ibm.com>
6692         PR tree-optimization/53773
6693         * tree-vectorizer.h (struct _loop_vec_info): Add operands_swapped.
6694         (LOOP_VINFO_OPERANDS_SWAPPED): New macro.
6695         * tree-vect-loop.c (new_loop_vec_info): Initialize
6696         LOOP_VINFO_OPERANDS_SWAPPED field.
6697         (destroy_loop_vec_info): Restore canonical form.
6698         (vect_is_slp_reduction): Set LOOP_VINFO_OPERANDS_SWAPPED field.
6699         (vect_is_simple_reduction_1): Likewise.
6701 2012-07-31  Steven Bosscher  <steven@gcc.gnu.org>
6703         * sched-vis.c (dump_insn_slim): Print print_rtx_head at the
6704         start of each new line.
6705         * final.c (final_scan_insn): If the final dump is requested as
6706         slim RTL, dump slim RTL to the assembly file also.
6708 2012-07-31  Andrey Belevantsev  <abel@ispras.ru>
6710         PR target/53975
6712         * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
6714         Revert
6715         2011-08-04  Sergey Grechanik  <mouseentity@ispras.ru>
6717         * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
6718         only if producer writes to the register given by regno.
6720 2012-07-31  Nick Clifton  <nickc@redhat.com>
6722         * config/stormy16/stormy16.c (xstormy16_expand_prologue): Add
6723         support for reporting stack usage.
6725         * config/frv/frv.c (QUAD): Fix typo.
6726         (frv_expand_prologue): Report stack usage.
6728 2012-07-31  Steven Bosscher  <steven@gcc.gnu.org>
6730         PR pch/53880
6731         * gengtype.c (struct walk_type_data): Add have_this_obj field.
6732         (walk_type): For functions that take a this_obj argument and
6733         that process fields with a GTY((length)) argument, write the
6734         test that write_types_local_process_field will write also at the
6735         head of the loop, effectively unswitching the loop.
6736         (write_func_for_structure, write_local_func_for_structure): Clear
6737         have_this_obj before calling walk_type.
6738         (write_local_func_for_structure): Set have_this_obj before walk_type.
6739         (write_array): Set have_this_obj for output of local pointer walking
6740         functions but not for marker functions.
6741         (write_types_local_process_field): Assert have_this_obj is set.
6743         * rtl.h (simplify_using_condition): Adjust prototype using bitmap
6744         from coretypes.h.
6746 2012-07-30  Nathan Froyd  <froydnj@gcc.gnu.org>
6749         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6750         * targhooks.c (default_mode_dependent_address_p): Delete code
6751         for GO_IF_MODE_DEPENDENT_ADDRESS.
6752         * system.h (GO_IF_MODE_DEPENDENT_ADDRESS): Poison.
6753         * doc/tm.texi.in (GO_IF_MODE_DEPENDENT_ADDRESS): Delete documention.
6754         * doc/tm.texi: Regenerate.
6755         * config/alpha.h (GO_IF_MODE_DEPENDENT_ADDRESS): Move code to...
6756         * config/alpha.c (alpha_mode_dependent_address_p): ...here.  New
6757         function.
6758         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
6759         * config/cr16/cr16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6760         * config/mep/mep.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6761         * config/vax/vax-protos.h (vax_mode_dependent_address_p): Delete.
6762         * config/vax/vax.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
6763         * config/vax/vax.c (vax_mode_dependent_address_p): Make static.
6764         Take a const_rtx.
6765         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
6767 2012-07-30  Nathan Froyd  <froydnj@gcc.gnu.org>
6769         * expmed.h (NUM_MODE_VECTOR_INT): Define.
6770         (struct expmed_op_cheap, struct expmed_op_costs): New structures.
6771         (struct target_expmed): Convert x_mul_highpart_cost and
6772         x_mul_widen_cost fields to be indexed by integer modes.
6773         Convert x_sdiv_pow2_cheap and x_smod_pow2_cheap fields to be
6774         of type struct expmed_op_cheap.  Convert other cost fields to be
6775         of type struct_expmed_op_costs.
6776         (mul_widen_cost_ptr, mul_highpart_cost_ptr): Adjust for new
6777         indexing of respective fields.
6778         (expmed_op_cheap_ptr): New function.
6779         (sdiv_pow2_cheap_ptr, smod_pow2_cheap_ptr): Call it.
6780         (expmed_op_cost_ptr): New function.
6781         (add_cost_ptr, neg_cost_ptr, shift_cost_ptr, shiftadd_cost_ptr,
6782         shiftsub0_cost_ptr, shiftsub1_cost_ptr, mul_cost_ptr,
6783         sdiv_cost_ptr, udiv_cost_ptr): Call it.
6785 2012-07-30  Sandra Loosemore  <sandra@codesourcery.com>
6786             Julian Brown  <julian@codesourcery.com>
6788         * doc/invoke.texi (MIPS Options): Document -mno-float.
6789         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): Make it know
6790         about -mno-float.
6792 2012-07-30  Joseph Myers  <joseph@codesourcery.com>
6794         * doc/sourcebuild.texi (Subdirectories): Document common subdirectory.
6796 2012-07-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6798         PR middle-end/53823
6799         * expmed.c (expand_mult): Skip synth_mult for constant double op1 except
6800         for special cases.  Don't initialize coeff and is_neg.
6802 2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
6803             Richard Earnshaw  <rearnsha@arm.com>
6805         * target.def (vector_alignment): New target hook.
6806         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
6807         * doc/tm.texi: Regenerate.
6808         * targhooks.c (default_vector_alignment): New function.
6809         * targhooks.h (default_vector_alignment): Add prototype.
6810         * stor-layout.c (layout_type): Use targetm.vector_alignment.
6811         * config/arm/arm.c (arm_vector_alignment): New function.
6812         (TARGET_VECTOR_ALIGNMENT): Define.
6814         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
6815         vector type alignment instead of size.
6816         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
6817         element type size directly instead of computing it from alignment.
6818         Fix variable naming and comment.
6820 2012-07-30  Kirill Yukhin  <kirill.yukhin@intel.com>
6821             Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
6823         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDSEED_SET): New.
6824         (OPTION_MASK_ISA_RDSEED_UNSET): Likewise.
6825         (ix86_handle_option): Handle mrdseed option.
6826         * config.gcc (i[34567]86-*-*): Add rdseedintrin.h.
6827         (x86_64-*-*): Likewise.
6828         * config/i386/prfchwintrin.h: New header.
6829         * config/i386/cpuid.h (bit_RDSEED): New.
6830         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
6831         RDSEED support.
6832         * config/i386/i386-c.c: Define __RDSEED__ if needed.
6833         * config/i386/i386.c (ix86_target_string): Define -mrdseed option.
6834         (PTA_RDSEED): New.
6835         (ix86_option_override_internal): Handle new option.
6836         (ix86_valid_target_attribute_inner_p): Add OPT_mrdseed.
6837         (ix86_builtins): Add enum entries for RDSEED* builtins.
6838         (ix86_init_mmx_sse_builtins): Define new builtins.
6839         (ix86_expand_builtin): Expand RDSEED* builtins.
6840         * config/i386/i386.h (TARGET_RDSEED): New.
6841         * config/i386/i386.md (rdseed<mode>_1): New.
6842         * config/i386/i386.opt (mrdseed): New.
6843         * config/i386/x86intrin.h: Include rdseedintrin.h.
6845 2012-07-30  Richard Guenther  <rguenther@suse.de>
6847         * tree-into-ssa.c (mark_def_sites): Also process virtual operands.
6848         (rewrite_stmt): Likewise.
6849         (rewrite_enter_block): Likewise.
6850         (pass_build_ssa): Do not update virtual SSA form during TODO.
6851         (mark_symbol_for_renaming): Do nothing if we are not in SSA form.
6852         * lto-streamer-in.c (lto_read_body): Set in_ssa_p earlier.
6854 2012-07-30  Oleg Endo  <olegendo@gcc.gnu.org>
6856         PR target/39423
6857         * config/gcc/sh/sh.md (*movsi_index_disp, *movhi_index_disp): New
6858         insns.
6860 2012-07-30  Oleg Endo  <olegendo@gcc.gnu.org>
6862         PR target/51244
6863         * config/sh/sh.md (mov_neg_si_t): Move to Scc instructions section.
6864         Use t_reg_operand predicate.  Add split for negated case.
6865         (ashrsi2_31): Pass get_t_reg_rtx to gen_mov_neg_si_t.
6866         * config/sh/sh.c (expand_ashiftrt): Likewise.
6868 2012-07-30  Oleg Endo  <olegendo@gcc.gnu.org>
6870         PR target/54089
6871         * config/sh/sh.md (ashlsi3_d): Invoke gen_shifty_op directly instead
6872         of trying to emit ashlsi3_n.
6874 2012-07-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
6875             Steven Bosscher  <steven@gcc.gnu.org>
6877         * gengtype.c (adjust_field_type): Diagnose duplicate "length"
6878         option applications and option being applied to arrays of atomic types.
6879         (walk_type): Allow "atomic" option on strings too.
6880         * dwarf2out.h (struct dw_vec_struct): Use the "atomic" GTY option
6881         for the array field.
6882         * vec.h: Describe the atomic object "A" type of the macros in
6883         the header comment.
6884         (VEC_T_GTY_ATOMIC, DEF_VEC_A, DEF_VEC_ALLOC_A): Define.
6885         * emit-rtl.c (locations_locators_vals): use the atomic object vector.
6886         * doc/gty.texi: Clarify that GTY option "length" is only for
6887         arrays of non-atomic objects.  Fix typo in the description of the
6888         "atomic" option.
6890 2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
6892         * config/i386/i386.c (ix86_avoid_lea_for_addr): Handle
6893         zero-extended addresses.  Return false if the address has less
6894         than two components.
6895         (ix86_split_lea_for_addr): Unconditionally convert target and
6896         all address operands to requested mode.
6897         * config/i386/i386.md (*lea<mode>): Recover operands from curr_insn.
6898         Pass SImode to ix86_split_lea_for_addr when splitting zero-extended
6899         address.
6900         (zero-extended add splitter): New splitter to conditionally split
6901         non-destructive adds.
6902         (*zero_extendsidi2_rex64): Conditionally emit leal instead of movl.
6904 2012-07-28  Alan Modra  <amodra@gmail.com>
6906         PR target/54093
6907         * config/rs6000/rs6000.c (rs6000_secondary_reload): Limit 32-bit
6908         multi-gpr reload to cases where predicate passes.  Do the same for
6909         64-bit multi-gpr reload.
6911 2012-07-27  Nathan Froyd  <froydnj@gcc.gnu.org>
6913         * expmed.h (alg_hash, alg_hash_used_p, sdiv_pow2_cheap,
6914         smod_pow2_cheap, zero_cost, add_cost, neg_cost, shift_cost)
6915         shiftadd_cost, shiftsub0_cost, shiftsub1_cost, mul_cost,
6916         sdiv_cost, udiv_cost, mul_widen_cost, mul_highpart_cost): Delete
6917         macro definitions and re-purpose as inline functions.
6918         (alg_hash_entry_ptr, set_alg_hash_used_p, sdiv_pow2_cheap_ptr,
6919         set_sdiv_pow2_cheap, smod_pow2_cheap_ptr, set_smod_pow2_cheap,
6920         zero_cost_ptr, set_zero_cost, add_cost_ptr, set_add_cost,
6921         neg_cost_ptr, set_neg_cost, shift_cost_ptr, set_shift_cost,
6922         shiftadd_cost_ptr, set_shiftadd_cost, shiftsub0_cost_ptr,
6923         set_shiftsub0_cost, shiftsub1_cost_ptr, set_shiftsub1_cost,
6924         mul_cost_ptr, set_mul_cost, sdiv_cost_ptr, set_sdiv_cost,
6925         udiv_cost_ptr, set_udiv_cost, mul_widen_cost_ptr,
6926         set_mul_widen_cost, mul_highpart_cost_ptr, set_mul_highpart_cost):
6927         New functions.
6928         (convert_cost_ptr): New function, split out from...
6929         (set_convert_cost, convert_cost): ...here.
6930         * expmed.c, tree-ssa-loop-ivopts.c: Update for new functions.
6931         * gimple-ssa-strength-reduction.c: Likewise.
6933 2012-07-20  Ryan Mansfield  <rmansfield@qnx.com>
6935         * gcc.c (main): Move GCC_DRIVER_HOST_INITIALIZATION after
6936         diagnostic_initialize.
6938 2012-07-27  Oleg Endo  <olegendo@gcc.gnu.org>
6940         PR target/54089
6941         * config/sh/sh.c (shiftcosts): Remove case where first operand
6942         is a const_int.  Move COSTS_N_INSNS usage into caller ...
6943         (sh_rtx_costs) ... here.  Return false when shiftcosts cannot be
6944         calculated instead of MAX_COST.
6946 2012-07-27  Richard Guenther  <rguenther@suse.de>
6948         * tree-cfg.c (gimple_can_merge_blocks_p): Do more fine-grained
6949         check whether SSA form is not up-to-date.
6950         * tree-flow.h (name_mappings_registered_p): Remove.
6951         * tree-into-ssa.c (struct repl_map_d): Remove.
6952         (repl_tbl): Likewise.
6953         (struct ssa_name_info): Add repl_set member.
6954         (update_ssa_obstack): New static global.
6955         (get_ssa_name_ann): Initialize repl_set.
6956         (clear_ssa_name_info): Assert age did not wrap.
6957         (repl_map_hash, repl_map_eq, repl_map_free): Remove.
6958         (names_replaced_by): Adjust.
6959         (add_to_repl_tbl): Likewise.
6960         (dump_tree_ssa_stats): Likewise.
6961         (init_update_ssa): Initialize update_ssa_obstack.
6962         (delete_update_ssa): Free update_ssa_obstack.
6963         (name_mappings_registered_p): Remove.
6964         (update_ssa): Adjust.
6966 2012-07-27  Segher Boessenkool  <segher@kernel.crashing.org>
6968         * config/rs6000/constraints.md: Delete "q" constraint.
6969         * config/rs6000/dfp.md (movsd_hardfloat, movsd_softfloat):
6970         Delete the "q" alternative.
6971         * config/rs6000/predicates.md (gpc_reg_operand): Adjust.
6972         * config/rs6000/rs6000.c (rs6000_debug_reg_global)
6973         (rs6000_init_hard_regno_mode_ok, rs6000_dbx_register_number):
6974         adjust to MQ_REGNO removal.
6975         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust
6976         comment.
6977         (REG_ALLOC_ORDER): Adjust comment.  Remove MQ from alloc order.
6978         (enum reg_class): Adjust comment.  Delete MQ_REGS.
6979         (REG_CLASS_CONTENTS): Adjust.
6980         (REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES): Adjust comment.
6981         * config/rs6000/rs6000.md: Delete MQ_REGNO.
6982         (movsi_internal1, movsi_internal1_single, movhi_internal,
6983         movqi_internal, movcc_internal1, movsf_hardfloat,
6984         movsf_softfloat): Delete the "q" alternative.
6985         (ctr<mode>_internal1, ctr<mode>_internal2, ctr<mode>_internal5,
6986         ctr<mode>_internal6): Delete "q" constraint.
6988 2012-07-27  Richard Guenther  <rguenther@suse.de>
6990         * tree-into-ssa.c (def_blocks_p): New typedef.
6991         (insert_phi_nodes_compare_def_blocks): New function.
6992         (insert_phi_nodes): Do not walk over referenced vars, instead
6993         walk over recorded def_blocks, record relevant ones and sort
6994         them to avoid repeated hashtable lookups.
6996 2012-07-27  Richard Guenther  <rguenther@suse.de>
6998         * doc/invoke.texi (min-virtual-mappings, virtual-mappings-ratio):
6999         Remove param documentation.
7000         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS,
7001         PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Remove.
7002         * tree-flow.h (mark_set_for_renaming): Remove.
7003         * tree-into-ssa.c (struct update_ssa_stats_d): Remove.
7004         (add_new_name_mapping): Remove bookkeeping code.
7005         (dump_update_ssa): Remove stats dumping code.
7006         (init_update_ssa): Remove stats allocation code.
7007         (delete_update_ssa): Remove stats freeing code.
7008         (mark_set_for_renaming): Remove.
7009         (switch_virtuals_to_full_rewrite_p): Likewise.
7010         (switch_virtuals_to_full_rewrite): Likewise.
7011         (update_ssa): Do not call switch_virtuals_to_full_rewrite.
7013 2012-07-27  Marek Polacek  <polacek@redhat.com>
7015         * cgraphunit.c: Rename varpool_finalize_variable to
7016         varpool_finalize_decl in a comment.
7018 2012-07-27  Segher Boessenkool  <segher@kernel.crashing.org>
7020         * common/config/rs6000/rs6000-common.c (rs6000_handle_option):
7021         Delete code for -mno-power, -mpower, and -mpower2.
7022         * config/rs6000/aix43.h (NON_POWERPC_MASKS): Delete.
7023         (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
7024         with -maix64.
7025         (ASM_CPU_SPEC): Delete support for POWER and POWER2.
7026         * config/rs6000/aix51.h (NON_POWERPC_MASKS): Delete.
7027         (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
7028         with -maix64.
7029         (ASM_CPU_SPEC): Delete support for POWER and POWER2.
7030         * config/rs6000/aix52.h (NON_POWERPC_MASKS): Delete.
7031         (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
7032         with -maix64.
7033         (TARGET_POWER): Delete.
7034         * config/rs6000/aix53.h (NON_POWERPC_MASKS): Delete.
7035         (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
7036         with -maix64.
7037         (TARGET_POWER): Delete.
7038         * config/rs6000/aix61.h (NON_POWERPC_MASKS): Delete.
7039         (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
7040         with -maix64.
7041         (TARGET_POWER): Delete.
7042         * config/rs6000/darwin.h (TARGET_POWER): Delete.
7043         * config/rs6000/driver-rs6000.c (struct asm_names): Delete
7044         support for -mpower, -mpower2, and -mno-power.
7045         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros):
7046         Likewise.
7047         (rs6000_cpu_cpp_builtins): Likewise.
7048         * config/rs6000/rs6000-cpus.def: Likewise.
7049         * config/rs6000/rs6000-tables.opt: Regenerate.
7050         * config/rs6000/rs6000.c (POWER_MASKS): Delete.
7051         (rs6000_option_override_internal): Adjust.
7052         (rs6000_conditional_register_usage): Adjust.
7053         (rs6000_emit_move): Adjust.
7054         (rs6000_common_init_builtins): Adjust.
7055         (rs6000_init_libfuncs): Adjust.
7056         (rs6000_output_function_prologue): Adjust.
7057         (rs6000_adjust_cost): Adjust.
7058         (struct rs6000_opt_masks): Delete MASK_POWER and MASK_POWER2.
7059         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Delete support for
7060         POWER and POWER2.
7061         (TARGET_DEFAULT): Adjust.
7062         (PROCESSOR_POWER): Delete.
7063         (SHIFT_COUNT_TRUNCATED): Adjust.
7064         * config/rs6000/rs6000.md (extendqisi2): Delete POWER support.
7065         (extendqisi2_power): Delete.
7066         (extendqisi2_no_power): Adjust.
7067         (extendqihi2, extendqihi2_power, extendqihi2_no_power):
7068         Likewise.
7069         (sminsi3, smaxsi3, uminsi3, umaxsi3): Adjust.
7070         (anonymous doz insn patterns): Delete.
7071         (abssi2): Adjust.
7072         (abssi2_power): Delete.
7073         (abssi2_nopower): Adjust.
7074         (nabs_power, nabs_nopower): Likewise.
7075         (mulsi3, mulsi3_mq, mulsi3_no_mq, mulsi3_mq_internal1):
7076         Likewise.  Delete anonymous post-reload splitter.
7077         (mulsi3_no_mq_internal1): rename to...
7078         (mulsi3_internal1): New define_insn.
7079         (mulsi3_mq_internal2, mulsi3_no_mq_internal2, mulsi3_internal2):
7080         Likewise.
7081         (divmodsi4, divmodsi4_internal, udiv<mode>3, udivsi3_mq,
7082         udivsi3_no_mq, udivsi3, div<mode>3, divsi3_mq, div<mode>3_no_mq,
7083         udivmodsi4_normal, udivmodsi4_tests, udivmodsi4): Likewise.
7084         (mulh_call, mull_call, divss_call, divus_call, quoss_call,
7085         quous_call): Likewise.
7086         (maskir_internal1, maskir_internal2, maskir_internal3,
7087         maskir_internal4, maskir_internal5, maskir_internal6,
7088         maskir_internal7, maskir_internal8): Delete.
7089         (ashlsi3, ashlsi3_power, ashlsi3_no_power): Adjust.
7090         (anonymous sl insn patterns): Delete.
7091         (lshrsi3, lshrsi3_power, lshrsi3_no_power): Adjust.
7092         (lshrsi3_64): Adjust.
7093         (anonymous sr insn patterns): Delete.
7094         (anonymous rrib insn patterns): Delete.
7095         (ashrsi3, ashrsi3_power, ashrsi3_no_power): Adjust.
7096         (anonymous sra insn patterns): Delete.
7097         (sqrtsf2, sqrtdf2, sqrtdf2_fpr): Adjust.
7098         (fix_trunc<mode>si2, fix_trunc<mode>si2_internal,
7099         fctiwz_<mode>): Adjust.
7100         (mulsidi3, mulsidi3_mq, mulsidi3_no_mq, umulsidi3, umulsidi3_mq,
7101         umulsidi3_no_mq, smulsi3_highpart, smulsi3_highpart_mq,
7102         smulsi3_highpart_no_mq, umulsi3_highpart, umulsi3_highpart_mq,
7103         umulsi3_highpart_no_mq): Adjust.
7104         (ashldi3_power, lshrdi3_power, ashrdi3_power): Delete.
7105         (ashrdi3_no_power, ashldi3, ashldi3_internal1,
7106         lshrdi3_internal1): Adjust.
7107         (fix_trunctfsi2, fix_trunctfsi2_fprs): Adjust.
7108         (movti_power): Delete.
7109         (movti_string): Adjust.
7110         (stmsi8, stmsi7, stmsi6, stmsi5, stmsi4, stmsi3): Adjust.
7111         (stmsi8_power, stmsi7_power, stmsi6_power, stmsi5_power,
7112         stmsi4_power, stmsi3_power): Delete.
7113         (anonymous movmemsi insn patterns): Adjust.
7114         (lfq_power2, stfq_power2): Delete.
7115         (eq<mode>, eq<mode>_compare): Adjust.
7116         (eqsi_power): Delete.
7117         (ne0si): Adjust.
7118         (anonymous le, lt, ge, gt insn patterns): Delete.
7119         * config/rs6000/rs6000.opt (mpower, mno-power, mpower2): Delete.
7120         * config/rs6000/sysv4.h (TARGET_POWER): Delete.
7121         * config/rs6000/t-aix43 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
7122         MULTILIB_MATCHES): Adjust.
7123         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
7124         -mpower, -mno-power, -mpower2, -mno-power2 documentation.
7125         Delete -mcpu=power and -mcpu=power2 documentation.
7127 2012-07-27  Segher Boessenkool  <segher@kernel.crashing.org>
7129         * config/rs6000/601.md: New file.
7130         * config/rs6000/aix43.h (ASM_CPU_SPEC): Delete support for
7131         RIOS CPUs.
7132         * config/rs6000/aix51.h (ASM_CPU_SPEC): Likewise.
7133         * config/rs6000/driver-rs6000.c (detect_processor_aix,
7134         struct asm_names): Likewise.
7135         * config/rs6000/rios1.md: Delete file.
7136         * config/rs6000/rios2.md: Delete file.
7137         * config/rs6000/rs6000-cpus.def: Delete definitions for RIOS
7138         CPUs.
7139         * config/rs6000/rs6000-opts.h (enum processor_type): Delete
7140         PROCESSOR_RIOS1 and PROCESSOR_RIOS2.
7141         * config/rs6000/rs6000-tables.opt: Regenerated.
7142         * config/rs6000/rs6000.c (struct rios1_cost, struct rios2_cost):
7143         Delete.
7144         (rs6000_option_override_internal): Delete support for RIOS CPUs.
7145         (rs6000_conditional_register_usage): Adjust comment.
7146         (rs6000_issue_rate):Delete support for RIOS CPUs.
7147         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Delete support for
7148         RIOS CPUs.
7149         (PROCESSOR_POWER): Change to PROCESSOR_PPC601.
7150         (PROCESSOR_DEFAULT): Change to PROCESSOR_PPC603.
7151         * config/rs6000/rs6000.md (define_attr "cpu"): Delete rios1
7152         and rios2.
7153         (include "rios1.md", include "rios2.md"): Delete.
7154         (include "601.md"): New.
7155         * config/rs6000/rs6000.opt (enum rs6000_cpu): Default to
7156         PROCESSOR_PPC603.
7157         * config/rs6000/t-aix43 (MULTILIB_MATCHES): Delete support
7158         for RIOS CPUs.
7159         * config/rs6000/t-rs6000 (MD_INCLUDES): Delete rios1.md and
7160         rios2.md .  Add 601.md .
7162 2012-07-26  Richard Henderson  <rth@redhat.com>
7164         * doc/extend.texi (attribute): Document hot/cold for labels.
7165         * predict.c (tree_estimate_probability_bb): Handle hot/cold
7166         attributes on user labels.
7167         * predict.def (PRED_HOT_LABEL, PRED_COLD_LABEL): New.
7169 2012-07-26  Andrew Jenner  <andrew@codesourcery.com>
7170             Sandra Loosemore  <sandra@codesourcery.com>
7172         * cse.c (find_comparison_args): Check for cycles of any length.
7174 2012-07-26  Nick Clifton  <nickc@redhat.com>
7176         * config/mn10300/mn10300.c (REG_SAVE_BYTES): Delete.
7177         (mn10300_get_live_callee_saved_regs): If requested return a count
7178         of the number of bytes in the mask.
7179         (mn10300_expand_prologue): Add argument to invocation of
7180         mn10300_get_live_callee_regs.
7181         (mn10300_expand_epilogue): Compute reg_save_bytes by calling
7182         mn10300_get_live_callee_saved_regs.
7183         (mn10300_initial_offset): Likewise.
7184         * config/mn10300/mn10300-protos.h (mn10300_get_live_callee_saved_regs):
7185         Update prototype.
7186         * config/mn10300/mn10300.md (return_ret): Add argument to
7187         invocation of mn10300_get_live_callee_saved_regs.
7189 2012-07-26  Steven Bosscher  <steven@gcc.gnu.org>
7191         PR regression/54084
7192         * sel-sched-ir.c (cmp_v_in_regset_pool): Clarify logic, fix
7193         pointer difference check.
7195 2012-07-26  Bill Schmidt  <wschmidt@linux.ibm.com>
7197         * tree-ssa-loop-ivopts.c (mbc_entry_hash): Remove.
7198         (mbc_entry_eq): Likewise.
7199         (mult_costs): Likewise.
7200         (cost_tables_exist): Likewise.
7201         (initialize_costs): Likewise.
7202         (finalize_costs): Likewise.
7203         (tree_ssa_iv_optimize_init): Remove call to initialize_costs.
7204         (add_regs_cost): Remove.
7205         (multiply_regs_cost): Likewise.
7206         (add_const_cost): Likewise.
7207         (extend_or_trunc_reg_cost): Likewise.
7208         (negate_reg_cost): Likewise.
7209         (struct mbc_entry): Likewise.
7210         (multiply_by_const_cost): Likewise.
7211         (get_address_cost): Change add_regs_cost calls to add_cost lookups;
7212         change multiply_by_const_cost to mult_by_coeff_cost.
7213         (force_expr_to_var_cost): Likewise.
7214         (difference_cost): Change multiply_by_const_cost to mult_by_coeff_cost.
7215         (get_computation_cost_at): Change add_regs_cost calls to add_cost
7216         lookups; change multiply_by_const_cost to mult_by_coeff_cost.
7217         (determine_iv_cost): Change add_regs_cost calls to add_cost lookups.
7218         (tree_ssa_iv_optimize_finalize): Remove call to finalize_costs.
7219         * tree-ssa-address.c (expmed.h): New #include.
7220         (most_expensive_mult_to_index): Change multiply_by_const_cost to
7221         mult_by_coeff_cost.
7222         * gimple-ssa-strength-reduction.c (expmed.h): New #include.
7223         (stmt_cost): Change to use mult_by_coeff_cost, mul_cost, add_cost,
7224         neg_cost, and convert_cost instead of IVOPTS interfaces.
7225         (execute_strength_reduction): Remove calls to initialize_costs and
7226         finalize_costs.
7227         * expmed.c (struct init_expmed_rtl): Add convert rtx_def.
7228         (init_expmed_one_mode): Initialize convert rtx_def; initialize
7229         x_convert_cost for related modes.
7230         (mult_by_coeff_cost): New function.
7231         * expmed.h (NUM_MODE_INT): New #define.
7232         (struct target_expmed): Add x_convert_cost matrix.
7233         (set_convert_cost): New inline function.
7234         (convert_cost): Likewise.
7235         (mult_by_coeff_cost): New extern decl.
7236         * tree-flow.h (initialize_costs): Remove decl.
7237         (finalize_costs): Likewise.
7238         (multiply_by_const_cost): Likewise.
7239         (add_regs_cost): Likewise.
7240         (multiply_regs_cost): Likewise.
7241         (add_const_cost): Likewise.
7242         (extend_or_trunc_reg_cost): Likewise.
7243         (negate_reg_cost): Likewise.
7244         * Makefile.in (gimple-ssa-strength-reduction.o): Update dependencies.
7245         (tree-ssa-address.o): Update dependencies.
7247 2012-07-26  Steven Bosscher  <steven@gcc.gnu.org>
7249         * bitmap.h: Add explanation of sparse set as linked-list bitmap.
7250         * sbitmap.h: Add explanation about non-sparse sets as simple bitmap.
7251         (TEST_BIT): Make a static inline function for stronger type checking.
7252         (SET_BIT): Don't handle sbitmaps with popcount.
7253         (RESET_BIT): Likewise.
7254         (SET_BIT_WITH_POPCOUNT): New, like SET_BIT but with popcount.
7255         (RESET_BIT_WITH_POPCOUNT): New, like RESET_BIT but with popcount.
7256         * ebitmap.c (ebitmap_clear_bit): Use SET_BIT_WITH_POPCOUNT and
7257         RESET_BIT_WITH_POPCOUNT on wordmask bitmaps.
7258         (ebitmap_set_bit, ebitmap_and_into, ebitmap_and, ebitmap_ior_into,
7259         ebitmap_and_compl_into, ebitmap_and_compl): Likewise.
7260         * sparseset.h: Add explanation of sparse set representation.
7262 2012-07-26  Richard Guenther  <rguenther@suse.de>
7264         PR tree-optimization/54098
7265         * tree-vrp.c (vrp_visit_phi_node): Iterate once more if the
7266         original range was UNDEFINED.
7268 2012-07-26  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
7270         * config/arm/neon.ml (ops): Fix regexp for vld1Q_dups64 and
7271         vld1Q_dupu64 tests.
7273 2012-07-26  Oleg Endo  <olegendo@gcc.gnu.org>
7275         PR target/51244
7276         * config/sh/sh.opt (mzdcbranch): New option.
7277         * doc/invoke.texi: Document it.
7278         * config/sh/sh.md (negsi_cond): Use TARGET_ZDCBRANCH as condition
7279         instead of TARGET_HARD_SH4.
7280         * config/sh/sh.c (sh_option_override): Set TARGET_ZDCBRANCH as default
7281         for TARGET_HARD_SH4.
7283 2012-07-25  Oleg Endo  <olegendo@gcc.gnu.org>
7285         PR target/54089
7286         * config/sh/predicates.md (shift_count_operand): Handle not-SHMEDIA
7287         case.
7288         (p27_shift_count_operand, not_p27_shift_count_operand): New predicates.
7289         * config/sh/sh.md (ashlsi3): Remove parallel and T_REG clobber
7290         from expander.  Do not emit shift insn for not-SHMEDIA case.
7291         (ashlsi3_std): Replace with ...
7292         (ashlsi3_k, ashlsi3_d): ... these new insns.
7293         * config/sh/sh.c (gen_ashift): Make static.  Add sanity checks.
7294         Emit ashlsi3_k insn instead of ashlsi3_std in ASHIFT case.
7295         (gen_ashift_hi): Make static.
7296         * config/sh/sh-protos.h (gen_ashift, gen_ashift_hi): Remove forward
7297         declaration.
7299 2012-07-25  Bharathi Seshadri  <bseshadr@cisco.com>
7300             Jim Wilson  <jimwilso@cisco.com>
7302         * config/arm/bpabi.h (BE8_LINK_SPEC): Set according to
7303         TARGET_BIG_ENDIAN_DEFAULT.
7305 2012-07-25  Eric Botcazou  <ebotcazou@adacore.com>
7307         * gimple-low.c (lower_try_catch): New function.
7308         (lower_stmt) <GIMPLE_TRY>: Use it to lower GIMPLE_TRY_CATCH.
7309         <GIMPLE_CATCH>: Delete.
7310         <GIMPLE_EH_FILTER>: Likewise.
7312 2012-07-25  Eric Botcazou  <ebotcazou@adacore.com>
7314         * expr.c (expand_expr_real_1): Do not expand operand #1 and #2
7315         of BIT_FIELD_REF for ignored results.
7316         * fold-const.c (fold_ternary_loc) <BIT_FIELD_REF>: Check that the
7317         CONSTRUCTOR has vector type before using vector accessors on it.
7318         * gimplify.c (gimplify_compound_lval): Do not gimplify operand #1 and
7319         #2 of BIT_FIELD_REF.
7320         (gimplify_expr) <BIT_FIELD_REF>: Likewise.
7321         * tree-nested.c (convert_nonlocal_reference_op) <BIT_FIELD_REF>: Do
7322         not process operand #1 and #2.
7323         (convert_local_reference_op): Likewise.
7324         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Remove superfluous
7325         breaks throughout.
7326         <BIT_FIELD_REF>: Reuse operand #1 and #2 directly.
7327         * tree.c (stabilize_reference) <BIT_FIELD_REF>: Do not stabilize
7328         operand #1 and #2.
7329         (UPDATE_FLAGS): Do not consider operand #2 of BIT_FIELD_REF.
7330         (build6_stat): Delete.
7331         * tree.h (build6_stat, build6, build6_stat_loc, build6_loc): Likewise.
7333 2012-07-25 Marc Glisse <marc.glisse@inria.fr>
7335         PR tree-optimization/30318
7336         * tree-vrp.c (extract_range_from_binary_expr_1) [PLUS_EXPR]:
7337         Handle __int128.
7338         [MINUS_EXPR]: Merge with PLUS_EXPR.
7340 2012-07-25  Sandra Loosemore  <sandra@codesourcery.com>
7341             Paul Brook  <paul@codesourcery.com>
7343         PR target/53633
7344         * target.def (warn_func_return): New hook.
7345         * doc/tm.texi.in (TARGET_WARN_FUNC_RETURN): New hook.
7346         * doc/tm.texi: Regenerate.
7347         * doc/sourcebuild.texi (Effective-Target Keywords): Document
7348         naked_functions.
7349         * ipa-pure-const.c (warn_function_noreturn): Check
7350         targetm.warn_func_return.
7351         * tree-cfg.c (execute_warn_function_return): Likewise.
7352         * config/spu/spu.c (spu_warn_func_return): New.
7353         (TARGET_WARN_FUNC_RETURN): Define.
7354         * config/rx/rx.c (rx_warn_func_return): New.
7355         (TARGET_WARN_FUNC_RETURN): Define.
7356         * config/avr/avr.c (avr_warn_func_return): New.
7357         (TARGET_WARN_FUNC_RETURN): Define.
7358         * config/arm/arm.c (arm_warn_func_return): New.
7359         (TARGET_WARN_FUNC_RETURN): Define.
7360         * config/mcore/mcore.c (mcore_warn_func_return): New.
7361         (TARGET_WARN_FUNC_RETURN): Define.
7362         (saved_warn_return_type, saved_warn_return_type_count): Remove.
7363         (mcore_reorg, mcore_handle_naked_attribute): Remove warn_return hack.
7365 2012-07-25  Siddhesh Poyarekar  <siddhesh@redhat.com>
7367         * final.c [ASSEMBLER_DIALECT](do_assembler_dialects): New
7368         function to implement assembler dialects.
7369         (output_asm_insn): Use do_assembler_dialects.
7370         (asm_fprintf): Likewise.
7372 2012-07-25  Richard Henderson  <rth@redhat.com>
7374         PR bootstrap/54092
7375         * libfuncs.h: Don't include optabs.h.
7376         (struct libfunc_entry): Use "int" for op, mode1, mode2 members.
7377         * optabs.c (hash_libfunc): Don't cast members to int.
7378         * Makefile.in (LIBFUNCS_H): Don't include OPTABS_H.
7380 2012-07-25  Dodji Seketeli  <dodji@redhat.com>
7382         * basic-block.c: Fix typo in comment.
7384 2012-07-25  Kirill Yukhin  <kirill.yukhin@intel.com>
7385             Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
7387         * common/config/i386/i386-common.c (OPTION_MASK_ISA_PRFCHW_SET): New.
7388         (OPTION_MASK_ISA_PRFCHW_UNSET): Likewise.
7389         (ix86_handle_option): Handle mprfchw option.
7390         * config.gcc (i[34567]86-*-*): Add prfchwintrin.h.
7391         (x86_64-*-*): Likewise.
7392         * config/i386/prfchwintrin.h: New header.
7393         * config/i386/cpuid.h (bit_PRFCHW): New.
7394         (bit_BMI): Formatting fix.
7395         (bit_HLE): Likewise.
7396         (bit_RTM): Likewise.
7397         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
7398         PREFETCHW support.
7399         * config/i386/i386-c.c: Define __PRFCHW__ if needed.
7400         * config/i386/i386.c (ix86_target_string): Define
7401         -mprfchw option. Formatting fixes.
7402         (PTA_HLE): Formatting fix.
7403         (PTA_PRFCHW): New.
7404         (ix86_option_override_internal): Handle new option.
7405         (ix86_valid_target_attribute_inner_p): Add OPT_mprfchw.
7406         * config/i386/i386.h (TARGET_PRFCHW): New.
7407         * config/i386/i386.md (prefetch): Enable for TARGET_PRFCHW.
7408         * config/i386/i386.opt (mprfchw): New.
7409         * config/i386/mm3dnow.h: Move _m_prefetchw from here to prfchwintrin.h.
7410         * config/i386/x86intrin.h: Include prfchwintrin.h.
7412 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
7414         * config/i386/i386.md (stack_protect_set): Disable the pattern
7415         for Android since Android libc (bionic) does not provide random
7416         value for stack protection guard at gs:0x14. Guard value
7417         will be provided from external symbol (default implementation).
7418         (stack_protect_set_<mode>): Likewise.
7419         (stack_protect_test): Likewise.
7420         (stack_protect_test_<mode>): Likewise.
7421         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
7422         not have Bionic by default
7423         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
7424         Macro OPTION_BIONIC is defined in this file and provides Bionic
7425         accessibility status
7427 2012-07-25  Steven Bosscher  <steven@gcc.gnu.org>
7429         * gimple-pretty-print.c (gimple_dump_bb_buff): Call pp_flush.
7431 2012-07-25  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
7433         btver2 Enablement
7434         * config.gcc (i[34567]86-*-linux* | ...): Add btver2.
7435         (case ${target}): Add btver2.
7436         * config/i386/driver-i386.c (host_detect_local_cpu): Let
7437         -march=native recognize btver2 processors.
7438         * config/i386/i386-c.c (ix86_target_macros_internal): Add
7439         btver2 def_and_undef
7440         * config/i386/i386.c (struct processor_costs btver2_cost): New
7441         btver2 cost table.
7442         (m_BTVER2): New definition.
7443         (m_AMD_MULTIPLE): Includes m_BTVER2.
7444         (initial_ix86_tune_features): Add btver2 tune.
7445         (processor_target_table): Add btver2 entry.
7446         (static const char *const cpu_names): Add btver2 entry.
7447         (software_prefetching_beneficial_p): Add btver2.
7448         (ix86_option_override_internal): Add btver2 instruction sets.
7449         (ix86_issue_rate): Add btver2.
7450         (ix86_adjust_cost): Add btver2.
7451         * config/i386/i386.h (TARGET_BTVER2): New definition.
7452         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver2.
7453         (enum processor_type): Add PROCESSOR_BTVER2.
7454         * config/i386/i386.md (define_attr "cpu"): Add btver2.
7456 2012-07-24  Bill Schmidt  <wschmidt@linux.ibm.com>
7458         * doc/tm.texi: Regenerate.
7459         * targhooks.c (default_init_cost): Add prologue and epilogue costs.
7460         (default_add_stmt_cost): Likewise; also handle NULL stmt_info.
7461         (default_finish_cost): Add prologue and epilogue costs.
7462         * targhooks.h (default_add_stmt_cost): Change parameter list.
7463         (default_finish_cost): Likewise.
7464         * target.def (init_cost): Change documentation string.
7465         (add_stmt_cost): Change documentation string and parameter list.
7466         (finish_cost): Likewise.
7467         * target.h (vect_cost_model_location): New enum.
7468         * tree-vectorizer.h (struct _slp_tree): Remove cost substruct.
7469         (struct _slp_instance): Remove cost substruct; rename stmt_cost_vec
7470         to body_cost_vec.
7471         (SLP_INSTANCE_OUTSIDE_OF_LOOP_COST): Remove.
7472         (SLP_INSTANCE_STMT_COST_VEC): Rename to SLP_INSTANCE_BODY_COST_VEC.
7473         (SLP_TREE_OUTSIDE_OF_LOOP_COST): Remove.
7474         (struct _vect_peel_extended_info): Rename stmt_cost_vec to
7475         body_cost_vec.
7476         (struct _stmt_vec_info): Remove cost substruct.
7477         (STMT_VINFO_OUTSIDE_OF_LOOP_COST): Remove.
7478         (stmt_vinfo_set_outside_of_loop_cost): Remove.
7479         (builtin_vectorization_cost): New function.
7480         (vect_get_stmt_cost): Change to use builtin_vectorization_cost.
7481         (add_stmt_cost): Change parameter list.
7482         (finish_cost): Likewise.
7483         (vect_model_simple_cost): Likewise.
7484         (vect_model_store_cost): Likewise.
7485         (vect_model_load_cost): Likewise.
7486         (record_stmt_cost): Likewise.
7487         (vect_get_load_cost): Likewise.
7488         (vect_get_known_peeling_cost): Likewise.
7489         * tree-vect-loop.c (vect_get_known_peeling_cost): Change parameter
7490         list; call record_stmt_cost for prologue and epilogue costs.
7491         (vect_estimate_min_profitable_iters): Call add_stmt_cost for
7492         prologue and epilogue costs; remove computation of vec_outside_cost;
7493         return vec_prologue_cost and vec_epilogue_cost from finish_cost.
7494         (vect_model_reduction_cost): Revise call to add_stmt_cost for body
7495         costs; call add_stmt_cost for prologue and epilogue costs.
7496         (vect_model_induction_cost): Revise call to add_stmt_cost for body
7497         costs; call add_stmt_cost for prologue costs.
7498         * tree-vect-data-refs.c (vect_get_data_access_cost): Change parameter
7499         list for function and arguments for calls to vect_get_load_cost and
7500         vect_get_store_cost.
7501         (vect_peeling_hash_get_lowest_cost): Change argument list for calls to
7502         vect_get_data_access_cost and vect_get_known_peeling_cost; use
7503         temporary vectors prologue_cost_vec and epilogue_cost_vec for the
7504         latter call and discard their results; rename stmt_cost_vec to
7505         body_cost_vec; correct possible storage leak for body_cost_vec.
7506         (vect_peeling_hash_choose_best_peeling): Rename stmt_cost_vec to
7507         body_cost_vec.
7508         (vect_enhance_data_refs_alignment): Rename stmt_cost_vec to
7509         body_cost_vec; add extra dummy parameter on calls to
7510         vect_get_data_access_cost; tolerate null si->stmt; add vect_body to
7511         argument list on call to add_stmt_cost.
7512         * tree-vect-stmts.c (record_stmt_cost): Change parameter list;
7513         rename stmt_cost_vec to body_cost_vec; tolerate null stmt_info; call
7514         builtin_vectorization_cost; add "where" parameter on call to
7515         add_stmt_cost.
7516         (vect_model_simple_cost): Change parameter list; call record_stmt_cost
7517         for prologue costs; remove call to stmt_vinfo_set_outside_of_loop_cost;
7518         rename stmt_cost_vec to body_cost_vec.
7519         (vect_model_promotion_demotion_cost): Add vect_body argument to call
7520         to add_stmt_cost; call add_stmt_cost for prologue costs; remove call
7521         to stmt_vinfo_set_outside_of_loop_cost.
7522         (vect_model_store_cost): Change parameter list; call record_stmt_cost
7523         for prologue costs; add vect_body argument to call to record_stmt_cost;
7524         rename stmt_cost_vec to body_cost_vec; remove call to
7525         stmt_vinfo_set_outside_of_loop_cost.
7526         (vect_get_store_cost): Rename stmt_cost_vec to body_cost_vec; add
7527         vect_body argument to calls to record_stmt_cost.
7528         (vect_model_load_cost): Change parameter list; rename stmt_cost_vec to
7529         body_cost_vec; add vect_body argument to calls to record_stmt_cost;
7530         remove call to stmt_vinfo_set_outside_of_loop_cost.
7531         (vect_get_load_cost): Change parameter list; rename stmt_cost_vec to
7532         body_cost_vec; add vect_body argument to calls to record_stmt_cost;
7533         call record_stmt_cost for prologue costs.
7534         (vectorizable_store): Change argument list for call to
7535         vect_model_store_cost.
7536         (vectorizable_load): Change argument list for call to
7537         vect_model_load_cost.
7538         (new_stmt_vec_info): Remove assignment to
7539         STMT_VINFO_OUTSIDE_OF_LOOP_COST.
7540         * config/spu/spu.c (spu_init_cost): Add prologue and epilogue costs.
7541         (spu_add_stmt_cost): Likewise; also handle NULL stmt_info.
7542         (spu_finish_cost): Add prologue and epilogue costs.
7543         * config/i386/i386.c (i386_init_cost): Add prologue and epilogue costs.
7544         (i386_add_stmt_cost): Likewise; also handle NULL stmt_info.
7545         (i386_finish_cost): Add prologue and epilogue costs.
7546         * config/rs6000/rs6000.c (rs6000_init_cost): Add prologue and epilogue
7547         costs.
7548         (rs6000_add_stmt_cost): Likewise; also handle NULL stmt_info.
7549         (rs6000_finish_cost): Add prologue and epilogue costs.
7550         * tree-vect-slp.c (vect_free_slp_instance): Rename
7551         SLP_INSTANCE_STMT_COST_VEC to SLP_INSTANCE_BODY_COST_VEC.
7552         (vect_create_new_slp_node): Remove assignment to
7553         SLP_TREE_OUTSIDE_OF_LOOP_COST.
7554         (vect_get_and_check_slp_defs): Change parameter list; change argument
7555         lists to calls to vect_model_store_cost and vect_model_simple_cost.
7556         (vect_build_slp_tree): Change parameter list; change argument lists
7557         to calls to vect_model_load_cost, vect_get_and_check_slp_defs, and
7558         recursive self-calls; remove setting of outside_cost from
7559         SLP_TREE_OUTSIDE_OF_LOOP_COST; add vect_body argument to call to
7560         record_stmt_cost.
7561         (vect_analyze_slp_instance): Rename stmt_cost_vec to body_cost_vec;
7562         rename SLP_INSTANCE_STMT_COST_VEC to SLP_INSTANCE_BODY_COST_VEC;
7563         remove assignment to SLP_INSTANCE_OUTSIDE_OF_LOOP_COST; record SLP
7564         prologue costs.
7565         (vect_bb_vectorization_profitable_p): Rename stmt_cost_vec to
7566         body_cost_vec; handle null ci->stmt; add vect_body argument to call
7567         to add_stmt_cost; simplify calls to targetm.vectorize.
7568         builtin_vectorization_cost; return vec_prologue_cost and
7569         vec_epilogue_cost from finish_cost.
7570         (vect_update_slp_costs_according_to_vf): Rename stmt_cost_vec to
7571         body_cost_vec; add vect_body argument to call to add_stmt_cost.
7573 2012-07-24  Richard Henderson  <rth@redhat.com>
7575         * system.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Poison.
7576         * config/cris/cris.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
7577         * config/h8300/h8300.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
7578         * config/mn10300/mn10300.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
7579         * config/rs6000/rs6000.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove
7580         comment reference.
7581         * config/v850/v850.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
7582         * config/v850/v850.md (fixuns_truncsfsi2, fixuns_truncdfsi2): New.
7583         (fix_truncsfsi2, fix_truncdfsi2): Avoid double FIX.
7584         * config/vax/vax.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
7585         * config/vax/vax.md (fixuns_trunc<VAXfp><VAXint>): New.
7586         * doc/tm.texi.in (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
7587         * doc/tm.texi: Rebuild.
7589 2012-07-24  Richard Henderson  <rth@redhat.com>
7591         * optabs.def: New file.
7592         * Makefile.in (OPTABS_H): Add insn-opinit.h.
7593         (MOSTLYCLEANFILES): Likewise.
7594         (insn-opinit.o): Remove reload.h
7595         (simple_rtl_generated_c): Remove insn-opinit.c.
7596         (s-opinit): New rule.
7597         (build/genopinit.o): Add optabs.def.
7598         * genopinit.c (rtx_upname): New.
7599         (optabs): Extract to optabs.def
7600         (enum optab_tag, struct optab_def_d, optabs): New.
7601         (struct pattern_d, patterns): New.
7602         (match_pattern): Split out from ...
7603         (gen_insn): ... here.  Push matches on patterns vec.
7604         (pattern_cmp, optab_kind_cmp, optab_rcode_cmp): New.
7605         (header_file_name, source_file_name, handle_arg): New.
7606         (open_outfile): New.
7607         (main): Sort and emit new tables.  Generate lookup_handler,
7608         raw_optab_handler, swap_optab_enable.
7609         * libfuncs.h (libfunc_entry): Change "size_t optab" to "optab op".
7610         * optabs.c (code_to_optab_): Remove.
7611         (hash_libfunc): Update for optab name change.
7612         (eq_libfunc): Likewise.
7613         (convert_optab_libfunc): Update computation of optab member;
7614         use the new convlib_def table.
7615         (optab_libfunc): Similarly.
7616         (set_optab_libfunc, set_conv_libfunc): Likewise.
7617         (sign_expand_binop): Use swap_optab_enable instead of fake optabs.
7618         (init_insn_codes, init_optab, init_optabv, init_convert_optab): Remove.
7619         (init_optabs): Don't call them; export the data to optabs.def.
7620         (gen_int_libfunc, gen_fp_libfunc): Export non-static.
7621         (gen_fixed_libfunc, gen_signed_fixed_libfunc): Likewise.
7622         (gen_unsigned_fixed_libfunc, gen_int_fp_libfunc): Likewise.
7623         (gen_intv_fp_libfunc, gen_int_fp_fixed_libfunc): Likewise.
7624         (gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc): Likewise.
7625         (gen_int_signed_fixed_libfunc): Likewise.
7626         (gen_int_unsigned_fixed_libfunc): Likewise.
7627         (gen_interclass_conv_libfunc, gen_int_to_fp_conv_libfunc): Likewise.
7628         (gen_ufloat_conv_libfunc): Likewise.
7629         (gen_int_to_fp_nondecimal_conv_libfunc): Likewise.
7630         (gen_fp_to_int_conv_libfunc, gen_intraclass_conv_libfunc): Likewise.
7631         (gen_trunc_conv_libfunc, gen_extend_conv_libfunc): Likewise.
7632         (gen_fract_conv_libfunc, gen_fractuns_conv_libfunc): Likewise.
7633         (gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): Likewise.
7634         (debug_optab_libfuncs): Update for optab representation change.
7635         * optabs.h: Include insn-opinit.h.
7636         (optab, convert_optab, direct_optab): New typedefs.
7637         (struct optab_handlers, struct widening_optab_handlers): Remove.
7638         (struct optab_libcall_d): Rename from optab_d; remove code_,
7639         handlers, widening members.
7640         (struct convert_optab_libcall_d): Rename from convert_optab_d;
7641         remove code_ and handlers members.
7642         (enum optab_index, enum convert_optab_index): Remove.
7643         (enum direct_optab_index): Remove.
7644         (code_to_optab_): Fix array range.
7645         (optab_to_code): Covert to inline function.
7646         (optab_to_code_, convlib_def, normlib_def): Declare.
7647         (raw_optab_handler, swap_optab_enable): Declare.
7648         (unknown_optab): Remove; export to optabs.def
7649         (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
7650         usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
7651         ssashl_optab, usashl_optab, add_optab, sub_optab, smul_optab,
7652         addv_optab, subv_optab, smul_highpart_optab, umul_highpart_optab,
7653         smul_widen_optab, umul_widen_optab, usmul_widen_optab,
7654         smadd_widen_optab, umadd_widen_optab, ssmadd_widen_optab,
7655         usmadd_widen_optab, smsub_widen_optab, umsub_widen_optab,
7656         ssmsub_widen_optab, usmsub_widen_optab, sdiv_optab, smulv_optab,
7657         sdivv_optab, sdivmod_optab, udiv_optab, udivmod_optab, smod_optab,
7658         umod_optab, fmod_optab, remainder_optab, ftrunc_optab, and_optab,
7659         ior_optab, xor_optab, ashl_optab, lshr_optab, ashr_optab, rotl_optab,
7660         rotr_optab, vashl_optab, vlshr_optab, vashr_optab, vrotl_optab,
7661         vrotr_optab, smin_optab, smax_optab, umin_optab, umax_optab, pow_optab,
7662         atan2_optab, fma_optab, fms_optab, fnma_optab, fnms_optab, mov_optab,
7663         movstrict_optab, movmisalign_optab, storent_optab, neg_optab,
7664         negv_optab, abs_optab, absv_optab, one_cmpl_optab, bswap_optab,
7665         ffs_optab, clz_optab, ctz_optab, clrsb_optab, popcount_optab,
7666         parity_optab, sqrt_optab, sincos_optab, sin_optab, asin_optab,
7667         cos_optab, acos_optab, exp_optab, exp10_optab, exp2_optab, expm1_optab,
7668         ldexp_optab, scalb_optab, significand_optab, logb_optab, ilogb_optab,
7669         log_optab, log10_optab, log2_optab, log1p_optab, floor_optab,
7670         ceil_optab, btrunc_optab, round_optab, nearbyint_optab, rint_optab,
7671         tan_optab, atan_optab, copysign_optab, signbit_optab, isinf_optab,
7672         cmp_optab, ucmp_optab, eq_optab, ne_optab, gt_optab, ge_optab,
7673         lt_optab, le_optab, unord_optab, strlen_optab, cbranch_optab,
7674         cmov_optab, cstore_optab, ctrap_optab, push_optab, addcc_optab,
7675         reduc_smax_optab, reduc_umax_optab, reduc_smin_optab, reduc_umin_optab,
7676         reduc_splus_optab, reduc_uplus_optab, ssum_widen_optab,
7677         usum_widen_optab, sdot_prod_optab, udot_prod_optab, vec_set_optab,
7678         vec_extract_optab, vec_init_optab, vec_shl_optab, vec_shr_optab,
7679         vec_realign_load_optab, vec_widen_umult_hi_optab,
7680         vec_widen_umult_lo_optab, vec_widen_smult_hi_optab,
7681         vec_widen_smult_lo_optab, vec_widen_umult_even_optab,
7682         vec_widen_umult_odd_optab, vec_widen_smult_even_optab,
7683         vec_widen_smult_odd_optab, vec_widen_ushiftl_hi_optab,
7684         vec_widen_ushiftl_lo_optab, vec_widen_sshiftl_hi_optab,
7685         vec_widen_sshiftl_lo_optab, vec_unpacks_hi_optab, vec_unpacks_lo_optab,
7686         vec_unpacku_hi_optab, vec_unpacku_lo_optab, vec_unpacks_float_hi_optab,
7687         vec_unpacks_float_lo_optab, vec_unpacku_float_hi_optab,
7688         vec_unpacku_float_lo_optab, vec_pack_trunc_optab, vec_pack_ssat_optab,
7689         vec_pack_usat_optab, vec_pack_sfix_trunc_optab,
7690         vec_pack_ufix_trunc_optab, powi_optab, sync_compare_and_swap_optab,
7691         sync_lock_test_and_set_optab, sync_old_add_optab, sync_old_sub_optab,
7692         sync_old_ior_optab, sync_old_and_optab, sync_old_xor_optab,
7693         sync_old_nand_optab, sync_new_add_optab, sync_new_sub_optab,
7694         sync_new_ior_optab, sync_new_and_optab, sync_new_xor_optab,
7695         sync_new_nand_optab, sext_optab, zext_optab, trunc_optab, sfix_optab,
7696         ufix_optab, sfixtrunc_optab, ufixtrunc_optab, sfloat_optab,
7697         ufloat_optab, lrint_optab, lround_optab, lfloor_optab, lceil_optab,
7698         fract_optab, fractuns_optab, satfract_optab, satfractuns_optab,
7699         vec_load_lanes_optab, vec_store_lanes_optab, vcond_optab, vcondu_optab,
7700         movcc_optab, reload_in_optab, reload_out_optab, movmem_optab,
7701         setmem_optab, cmpstr_optab, cmpstrn_optab, cmpmem_optab,
7702         sync_lock_release_optab, sync_add_optab, sync_sub_optab,
7703         sync_ior_optab, sync_and_optab, sync_xor_optab, sync_nand_optab,
7704         atomic_exchange_optab, atomic_compare_and_swap_optab,
7705         atomic_load_optab, atomic_store_optab, atomic_add_fetch_optab,
7706         atomic_sub_fetch_optab, atomic_and_fetch_optab,
7707         atomic_nand_fetch_optab, atomic_xor_fetch_optab, atomic_or_fetch_optab,
7708         atomic_fetch_add_optab, atomic_fetch_sub_optab, atomic_fetch_and_optab,
7709         atomic_fetch_nand_optab, atomic_fetch_xor_optab, atomic_fetch_or_optab,
7710         atomic_add_optab, atomic_sub_optab, atomic_and_optab,
7711         atomic_nand_optab, atomic_xor_optab, atomic_or_optab,
7712         atomic_always_lock_free_optab, atomic_is_lock_free_optab,
7713         atomic_thread_fence_optab, atomic_signal_fence_optab,
7714         vec_perm_optab, vec_perm_const_optab): Likewise.
7715         (struct target_optabs): Remove x_optab_table, x_convert_optab_table,
7716         and x_direct_optab_table members; add pat_enable.
7717         (optab_table, convert_optab_table, direct_optab_table): Remove.
7718         (optab_handler): Use raw_optab_handler.
7719         (widening_optab_handler, convert_optab_handler): Likewise.
7720         (set_optab_handler, set_widening_optab_handler): Remove.
7721         (set_convert_optab_handler, set_direct_optab_handler): Remove.
7722         (direct_optab_handler): Defer to optab_handler.
7723         * rtl.h (NON_GENERATOR_NUM_RTX_CODE): New.
7725 2012-07-24  Jason Merrill  <jason@redhat.com>
7727         * bitmap.c (bitmap_descriptor): Adjust order of parameters to
7728         match MEM_STAT_DECL.
7729         * statistics.h (ALONE_FINAL_MEM_STAT_DECL): Correct typo.
7731 2012-07-24  Richard Henderson  <rth@redhat.com>
7733         * optabs.h (struct optab_d): Rename code member to code_.
7734         (struct convert_optab_h): Likewise.
7735         (code_to_optab_): Rename from code_to_optab.
7736         (code_to_optab, optab_to_code): New.
7737         * dojump.c (do_compare_rtx_and_jump): Use code_to_optab.
7738         * ifcvt.c (noce_emit_move_insn): Likewise.
7739         * optabs.c (simplify_expand_binop): Use optab_to_code.
7740         (expand_simple_binop, shift_optab_p, commutative_optab_p): Likewise.
7741         (avoid_expensive_constant, expand_binop_directly): Likewise.
7742         (expand_binop, expand_simple_unop, expand_unop_direct): Likewise.
7743         (expand_unop, prepare_float_lib_cmp, expand_fixed_convert): Likewise.
7744         (have_insn_for, debug_optab_libfuncs): Likewise.
7745         (init_optab, init_optabv, init_convert_optab): Update for optab
7746         member name change.
7748         * libfuncs.h: Include optabs.h.
7749         * dwarf2out.c, lto-streamer.in.c: Don't include libfuncs.h.
7750         * Makefile.in (LIBFUNCS_H): Add OPTABS_H.
7751         (lto-streamer-in.o, dwarf2out.o): Update deps.
7753         * optabs.h (unknown_optab): New.
7754         * builtins.c (interclass_mathfn_icode): Use it.
7755         * dojump.c (do_compare_rtx_and_jump): Likewise.
7756         * optabs.c (optab_for_tree_code, expand_binop): Likewise.
7757         * tree-vect-generic.c (add_rshift, expand_vector_divmod): Likewise.
7758         (expand_vector_operations_1): Likewise.
7759         * tree-vect-patterns.c (vect_recog_divmod_pattern): Likewise.
7760         * tree-vect-stmts.c (supportable_narrowing_operation): Likewise.
7762 2012-07-24  Steven Bosscher  <steven@gcc.gnu.org>
7764         * alloc-pool.c (create_alloc_pool): Fix ENABLE_CHECKING check.
7766 2012-07-24  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
7768         PR target/54051
7769         * config/arm/arm.c (arm_print_operand_address): Remove superfluous
7770         printing of 0.
7771         * config/arm/neon.md ("neon_vld3_lane<mode>":VD): Remove alignment
7772         specifier.
7773         ("neon_vld3_lane<mode>":VMQ): Likewise.
7774         ("neon_vld3_dup<mode>":VDX): Likewise.
7775         ("neon_vst3_lane<mode>":VD): Likewise.
7776         ("neon_vst3_lane<mode>":VMQ): Likewise.
7778 2012-07-24  Roland McGrath  <mcgrathr@google.com>
7780         * arm.c (arm_get_frame_offsets): Don't use fixed regs for
7781         stack alignment padding.
7783 2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
7785         PR target/53961
7786         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
7787         negative constant address for TARGET_X32 ...
7788         (ix86_decompose_address): ... here.  Reject constant addresses
7789         that don't satisfy x86_64_immediate_operand predicate.
7791 2012-07-24  Julian Brown  <julian@codesourcery.com>
7793         * doc/sourcebuild.texi (arm_hf_eabi): Document effective-target check.
7795 2012-07-24  Steven Bosscher  <steven@gcc.gnu.org>
7797         * sbitmap.h (SBITMAP_ELT_BITS): Use "1u" trick as for BITMAP_WORD_BITS.
7798         Move test to check that there is a popcount function for the the number
7799         of bits in SBITMAP_ELT_BITS to sbitmap.c.
7800         * sbitmap.c: Test SBITMAP_ELT_BITS, not HOST_BITS_PER_WIDEST_FAST_INT.
7801         MEM_STAT_INFO): Define in terms of their ALONE counterparts.
7803         * configure.ac (GATHER_STATISTICS): Always define, non-zero if enabled.
7804         * configure: Regenerate.
7805         * statistics.h (GATHER_STATISTICS): Error out if it is not defined.
7806         (GCC_MEM_STAT_ARGUMENTS): New define.
7807         (ALONE_MEM_STAT_DECL): Define in terms of GCC_MEM_STAT_ARGUMENTS.
7808         (ALONE_FINAL_MEM_STAT_DECL, ALONE_FINAL_PASS_MEM_STAT): New defines.
7809         (MEM_STAT_DECL, FINAL_MEM_STAT_DECL, PASS_MEM_STAT,
7810         FINAL_PASS_MEM_STAT): Define.
7811         * ggc-internal.h (ggc_record_overhead): Use FINAL_MEM_STAT_DECL.
7812         * ggc.h (ggc_record_overhead, ggc_free_overhead,
7813         ggc_prune_overhead_list): Remove internal prototypes, they are defined
7814         already in ggc-internal.h.
7815         * ggc-common.c (struct loc_descriptor): Remove #ifdef GATHER_STATISTICS
7816         wrappers.
7817         (add_statistics): Likewise.
7818         (dump_ggc_loc_statistics): Likewise. Return if GATHER_STATISTICS is 0.
7819         * ggc-zone.c (struct page_entry): Remove #ifdef GATHER_STATISTICS
7820         wrappers around "survived" and "stats" members.
7821         (alloc_large_page): Always initialize survived.
7822         (ggc_internal_alloc_zone_stat): Likewise.
7823         Remove #ifdef GATHER_STATISTICS wrappers.  Record overhead if
7824         GATHER_STATISTICS is non-0.
7825         (ggc_free): Convert #ifdef GATHER_STATISTICS to if-code.
7826         (sweep_pages): Always increase survived.
7827         (ggc_collect_1): Convert #ifdef GATHER_STATISTICS to if-code.
7828         (calculate_average_page_survival): Always define.
7829         (ggc_collect): Convert #ifdef GATHER_STATISTICS to if-code.
7830         (ggc_print_statistics): Likewise.
7831         (ggc_pch_read): Likewise.
7832         * ggc-page.c (struct globals): Always define "stats" member.
7833         (ggc_internal_alloc_stat): Convert #ifdef GATHER_STATISTICS to if-code.
7834         (ggc_free): Likewise.
7835         (ggc_collec): Likewise.
7836         (ggc_print_statistics): Likewise.
7837         * bitmap.h (struct bitmap_head_def): Always define "desc" member.
7838         (bitmap_initialize_stat): Convert #ifdef GATHER_STATISTICS to if-code.
7839         * gimple.h (enum gimple_alloc_kind): Always define.
7840         (gimple_alloc_kind): Likewise.
7841         * tree-flow.h (phinodes_print_statistics): Always define.
7842         (ssanames_print_statistics): Likewise.
7843         * vec.h (vec_heap_free): Always define.
7844         (VEC_stack_alloc): Define if GATHER_STATISTICS is non-0.
7845         * alloc-pool.c (alloc_pool_descriptor): Always define.
7846         (create_alloc_pool): Convert #ifdef GATHER_STATISTICS to if-code.
7847         (empty_alloc_pool): Likewise.
7848         (pool_alloc): Likewise.
7849         (pool_free): Likewise.
7850         (dump_alloc_pool_statistics): Likewise.
7851         (print_statistics): Always define.
7852         * bitmap.c (struct bitmap_descriptor): Always define.
7853         (bitmap_register): Pass ALONE_FINAL_PASS_MEM_STAT.
7854         (register_overhead): Always define.
7855         (bitmap_element_free): Convert #ifdef GATHER_STATISTICS to if-code.
7856         (bitmap_element_allocate): Likewise.
7857         (bitmap_elt_clear_from): Likewise.
7858         (bitmap_obstack_alloc_stat): Likewise.
7859         (bitmap_gc_alloc_stat): Likewise.
7860         (bitmap_obstack_free): Likewise.
7861         (bitmap_find_bit): Likewise.
7862         (bitmap_ior_and_into):  Likewise.
7863         (bitmap_print): Likewise.
7864         (dump_bitmap_statistics): Likewise. Return if GATHER_STATISTICS is 0.
7865         * gimple.c (gimple_alloc_counts, gimple_alloc_sizes): Always define.
7866         (gimple_alloc_kind_names): Likewise.
7867         (gimple_alloc_stat): Convert #ifdef GATHER_STATISTICS to if-code.
7868         (dump_gimple_statistics): Likewise. Return if GATHER_STATISTICS is 0.
7869         * rtl.c (rtx_alloc_counts, rtx_alloc_sizes, rtvec_alloc_counts,
7870         rtvec_alloc_sizes): Always define.
7871         (rvec_alloc): Convert #ifdef GATHER_STATISTICS to if-code.
7872         (rtx_alloc_stat): Likewise.
7873         (dump_rtx_statistics): Likewise. Return if GATHER_STATISTICS is 0.
7874         * tree.c (_obstack_allocated_p, tree_code_counts, tree_node_counts,
7875         tree_node_sizes, tree_node_kind_names): Always define.
7876         (record_node_allocation_statistics): Convert #ifdef GATHER_STATISTICS
7877         to if-code.
7878         (type_hash_canon): Likewise.
7879         (dump_tree_statistics): Likewise.
7880         * tree-ssanames.c (ssa_name_nodes_reused, ssa_name_nodes_created):
7881         Always define.
7882         (ssanames_print_statistics): Likewise.
7883         (make_ssa_name_fn): Convert #ifdef GATHER_STATISTICS to if-code.
7884         * tree-phinodes.c (phi_nodes_reused, phi_nodes_created): Always define.
7885         (phinodes_print_statistics): Likewise.
7886         (allocate_phi_node): Convert #ifdef GATHER_STATISTICS to if-code.
7887         * vec.c (struct vec_descriptor): Always define.
7888         (hash_descriptor, eq_descriptor, ptr_hash_entry, hash_ptr, eq_ptr,
7889         vec_descriptor, rester_overhead, free_overhead): Likewise.
7890         (cmp_statistic): Likewise.
7891         (vec_heap_free): Convert #ifdef GATHER_STATISTICS to if-code.
7892         (vec_heap_o_reserve_1): Likewise.
7893         (dump_vec_loc_statistics): Likewise.
7895 2012-07-24  Richard Guenther  <rguenther@suse.de>
7897         PR tree-optimization/53616
7898         * tree-loop-distribution.c (ldist_gen): Do not change
7899         partition ordering when merging partitions.
7901 2012-07-24  Alan Modra  <amodra@gmail.com>
7903         PR target/53914
7904         PR target/54009
7905         * config/rs6000/constraints.md (Y): Use mem_operand_gpr.
7906         * config/rs6000/predicates.md (word_offset_memref_operand): Delete.
7907         Adjust all rs6000_legitimate_offset_address_p calls.
7908         * config/rs6000/rs6000-protos.h (mem_operand_gpr): Declare.
7909         (rs6000_secondary_reload_gpr): Declare.
7910         (rs6000_legitimate_offset_address_p): Update prototype.
7911         (rs6000_offsettable_memref_p): Delete.
7912         (rs6000_secondary_reload_ppc64): Delete.
7913         * config/rs6000/rs6000.c (address_offset): New function.
7914         (mem_operand_gpr): Likewise.
7915         (rs6000_legitimate_offset_address_p): Add worst_case param.  When
7916         not worst_case assume class of regs with least restrictive offsets.
7917         Adjust all calls.
7918         (legitimate_lo_sum_address_p): Simplify register mode tests.
7919         (rs6000_legitimize_address): Likewise.  Assume best case offset
7920         addressing.  Combine ELF and MACHO lo_sum code.
7921         (rs6000_mode_dependent_address): Correct offset addressing limits.
7922         (rs6000_offsettable_memref_p): Make static, add reg_mode param.
7923         Use reg_mode to help rs6000_legitimate_offset_address_p.
7924         (rs6000_secondary_reload): Use address_offset.  Handle 32-bit multi
7925         gpr load/store when offset too large.
7926         (rs6000_secondary_reload_gpr): Renamed rs6000_secondary_reload_ppc64.
7927         (rs6000_split_multireg_move): Adjust rs6000_offsettable_memref_p calls.
7928         * config/rs6000/rs6000.md (movdf_hardfloat32): Use 'Y' constraint
7929         for gpr load/store.  Order alternatives as r->Y,Y->r,r->r and
7930         d->m,m->d,d->d.  Correct size of gpr load/store.
7931         (movdf_softfloat32): Use 'Y' constraint for gpr load/store.  Order
7932         alternatives.
7933         (movti_ppc64): Likewise.
7934         (movdi_internal32): Likewise.  Also disparage fprs.
7935         (movdi_mfpgpr, movdi_internal64): Likewise.
7936         (movtf_internal): Use 'm' for fpr load/store.  Order alternatives.
7937         (movtf_softfloat): Order alternatives.
7938         (extenddftf2_internal): Use 'm' and 'Y' for store.
7939         (movti_power, movti_string): Use 'Y' for gpr load/store.  Order.
7940         (stack_protect_setdi, stack_protect_testdi): Likewise.
7941         (movdf_hardfloat64_mfpgpr, movdf_hardfloat64): Order alternatives.
7942         (movdf_softfloat64): Likewise.
7943         (reload_<mode>_store): Adjust reload_di_store to provide
7944         reload_si_store as well.
7945         (reload_<mode>_load): Likewise.
7947 2012-07-23  Oleg Endo  <olegendo@gcc.gnu.org>
7949         PR target/51244
7950         * config/sh/predicates.md (general_movsrc_operand,
7951         general_movdst_operand): Reject T_REG.
7952         * config/sh/sh.md (*extendqisi2_compact_reg, *extendhisi2_compact_reg,
7953         movsi_i, movsi_ie, movsi_i_lowpart, *movqi_reg_reg, *movhi_reg_reg):
7954         Remove T_REG alternatives.
7955         (*negtstsi): New insn.
7957 2012-07-23  Oleg Endo  <olegendo@gcc.gnu.org>
7959         PR target/53511
7960         * config/sh/sh.md (mulsf3_ie): Delete.
7961         (mulsf3_i4): Rename to mulsf3_i.
7962         (mulsf3): Emit mulsf3_i insn.
7964 2012-07-23  Oleg Endo  <olegendo@gcc.gnu.org>
7966         * config/sh/sh.md (addc1, subc1): Delete.
7967         (adddi3_compact): Use addc instead of addc1.
7968         (subdi3_compact): Use subc instead of subc1.
7970 2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
7972         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
7973         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
7974         split_cost argument signed.
7975         (ix86_avoid_lea_for_add): Cleanup.
7976         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
7977         (ix86_avoid_lea_for_addr): Ditto.  Make split_cost signed.
7978         Use gen_lowpart instead of gen_rtx_SUBREG.  Cleanup.
7980 2012-07-23  Ulrich Weigand  <ulrich.weigand@linaro.org>
7982         * config/arm/arm.c (arm_reorg): Ensure all insns are split.
7984 2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
7986         PR target/53961
7987         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
7988         * config/i386/i386.c (ix86_print_operand_address): Ditto.
7989         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
7990         addresses.  Prevent zero extensions of CONST_INT operands.
7992 2012-07-23  Steven Bosscher  <steven@gcc.gnu.org>
7994         * sbitmap.h (struct int_list): Remove.
7995         (sbitmap_intersect_of_predsucc, sbitmap_union_of_predsucc):
7996         Remove prototypes of non-existing function.
7997         (sbitmap_intersect_of_predecessors, sbitmap_intersect_of_successors,
7998         sbitmap_union_of_predecessors, sbitmap_union_of_successors): Remove
7999         unused defines.
8000         (sbitmap_intersection_of_succs, sbitmap_intersection_of_preds,
8001         sbitmap_union_of_succs, sbitmap_union_of_preds): Move prototypes to...
8002         * basic-block.h: ... here.
8003         * sbitmap.c: Do not include basic-block.h.
8004         (sbitmap_intersection_of_succs, sbitmap_intersection_of_preds,
8005         sbitmap_union_of_succs, sbitmap_union_of_preds): Move functions to...
8006         * cfganal.c: ... here.
8007         * bt-load.c (compute_out, link_btr_uses): Update for above changes.
8008         * gcse.c (compute_code_hoist_vbeinout): Likewise.
8009         * lcm.c (compute_antinout_edge, compute_available): Likewise.
8010         * Makefile.in: Fix sbitmap.o dependencies.
8012 2012-07-23  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8013             Nick Clifton  <nickc@redhat.com>
8015         * config/frv/frv-protos.h (frv_ifcvt_machdep_init): Prototype.
8016         * config/frv/frv.c (frv_ifcvt_machdep_init): Change type of
8017         (unused) parameter to void *.
8019 2012-07-23  Richard Guenther  <rguenther@suse.de>
8021         * tree-ssa-alias.c (dump_alias_info): Walk over local decls
8022         instead of referenced vars.
8024 2012-07-23  Steven Bosscher  <steven@gcc.gnu.org>
8026         * coverage.c: Refer to "notes file" instead of "graph file"
8027         in all comments.  Explain history of bbg prefix.
8028         * gcov-io.h: Likewise.
8029         * gcov.c: Likewise.
8030         (find_source): Likewise in fnotice.
8031         (read_graph_file): Likewise.
8032         (read_count_file): Likewise.
8033         * doc/gcov.texi: Document -fprofile-dir flag.  Add "notes file"
8034         and "data file" explicitly in the explanation of the files.
8036 2012-07-22  Steven Bosscher  <steven@gcc.gnu.org>
8038         PR tree-optimization/53881
8039         * tree-cfg.c (group_case_labels_stmt): Look up the basic block
8040         for each label and compare them instead of labels.
8042 2012-07-22  Steven Bosscher <steven@gcc.gnu.org>
8044         * opts.c (common_handle_option): Do not set
8045         flag_value_profile_transformations for -fprofile-generate.
8046         * profile.c (instrument_values): Use COUNTER_FOR_HIST_TYPE.
8047         (BB_TO_GCOV_INDEX): Remove.
8048         (output_location): Don't use it.
8049         (branch_prob): Likewise.  Don't fiddle with the index of
8050         ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR.  Use clear_aux_for_blocks.
8051         (find_spanning_tree):
8052         * gcov.c (struct function_info): Document that blocks 0 and 1
8053         are the entry resp. exit blocks in gcov, too, like in GCC itself.
8054         (solve_flow_graph): Use ENTRY_BLOCK and EXIT_BLOCK for special
8055         blocks identification.
8056         (output_lines): Likewise.
8057         * value-prof.c (gimple_value_profile_transformations): Do not
8058         test flag_value_profile_transformations again.
8059         (gimple_ic_transform): Take a gimple_stmt_iterator like all other
8060         transformation functions.
8061         (gimple_values_to_profile):
8062         Don't test flag_value_profile_transformations
8063         * tree-profile.c (tree_profiling): Assert that the cgraph is in
8064         the CGRAPH_STATE_IPA_SSA state.
8065         Do not set, or look at, after_tree_profile.
8066         * function.h (struct function): Remove after_tree_profile bit.
8067         * omp-low.c (expand_omp_taskreg): Don't set after_tree_profile.
8068         * tree-inline.c (initialize_cfun): Don't copy it.
8069         * lto-streamer-out.c (output_struct_function_base): Don't stream it.
8070         * lto-streamer-in.c (input_struct_function_base): Likewise.
8072 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
8074         * config/sh/sh.h (TARGET_DYNSHIFT): New macro.
8075         (SH_DYNAMIC_SHIFT_COST): Use it.
8076         * config/sh/sh.c (expand_ashiftrt, shl_sext_kind): Likewise.
8077         (sh_dynamicalize_shift_p): Add TARGET_DYNSHIFT condition.
8078         Add sanity check for input value.  Add function description.
8079         * config/sh/sh.md (ashlsi3, ashlsi3_std, ashrsi3_d, lshrsi3,
8080         lshrsi3_d): Use TARGET_DYNSHIFT.
8082 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
8084         * config/sh/sh.md (negc): Delete expander.
8085         (*negc): Rename insn to negc.
8087 2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
8089         PR target/53961
8090         * config/i386/i386.md (*lea): New insn pattern.
8091         (*lea_1): Remove.
8092         (*lea<mode>_2): Ditto.
8093         (*lea_{3,4,5,6}_zext): Ditto.
8094         * config/i386/predicates.md (lea_address_operand): Do not reject
8095         zero-extended address operands.
8096         * config/i386/constraints.md (j): Remove address constraint.
8097         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
8098         of an address.
8099         (ix86_print_operand_address): Handle SImode subreg of an address.
8100         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
8102 2012-07-22  Hans-Peter Nilsson  <hp@axis.com>
8104         Emit executable-stack note correctly for CRIS targets.
8105         * config/cris/cris.c (cris_file_end): New function.
8106         (TARGET_ASM_FILE_END): Define.
8108 2012-07-22  Chung-Lin Tang  <cltang@codesourcery.com>
8109             Maxim Kuvyrkov  <maxim@codesourcery.com>
8110             NetLogic Microsystems Inc.
8112         * config/mips/mips.c (mips_issue_rate): Handle XLP.
8113         * config/mips/mips.md: Include xlp.md.
8114         * config/mips/xlp.md: New file.
8116 2012-07-21  Steven Bosscher <steven@gcc.gnu.org>
8118         PR gcov-profile/32543
8119         * profile.c (branch_prob): Update total_num_edges_instrumented and
8120         report the number of edges to instrument.
8122 2012-07-21  Oleg Endo  <olegendo@gcc.gnu.org>
8124         * config/sh/sh.md: Correct comment regarding clrt and sett insns.
8126 2012-07-21  Andrew Pinski  <apinski@cavium.com>
8128         * config/mips/mips.md (*popcountdi2_trunc): New pattern
8129         to handle popcount of a truncation.
8131 2012-07-21  Andrew Pinski  <apinski@cavium.com>
8133         * config/mips/mips-protos.h (mips_expand_ext_as_unaligned_load):
8134         Add a bool argument.
8135         * config/mips/mips.c (mips_block_move_straight): Update call to
8136         mips_expand_ext_as_unaligned_load.
8137         (mips_expand_ext_as_unaligned_load): Add unsigned_p argument.
8138         Accept DImode dest when the width is that of SImode.
8139         * config/mips/mips.md (extv): Update call to
8140         mips_expand_ext_as_unaligned_load.
8141         (extzv): Likewise.
8143 2012-07-21  Andrew Pinski  <apinski@cavium.com>
8145         * config/mips/mips.c (mips_get_unaligned_mem): Copy *op after calling
8146         adjust_address.
8148 2012-07-20  Maxim Kuvyrkov  <maxim@codesourcery.com>
8150         * config/mips/mips.md (define_attr sync_*): Move before "type".
8151         (define_attr "type"): New values "atomic" and "syncloop".
8152         * config/mips/sync.md (atomic_exchange<mode>, atomic_fetch_add<mode>):
8153         Set "type" attribute.
8154         * config/mips/generic.md (generic_atomic, generic_syncloop):
8155         New reservations.
8156         * gcc/config/mips/10000.md, gcc/config/mips/20kc.md,
8157         * gcc/config/mips/24k.md, gcc/config/mips/4130.md,
8158         * gcc/config/mips/4k.md, gcc/config/mips/5400.md,
8159         * gcc/config/mips/5500.md, gcc/config/mips/5k.md,
8160         * gcc/config/mips/7000.md, gcc/config/mips/74k.md,
8161         * gcc/config/mips/9000.md, gcc/config/mips/loongson2ef.md,
8162         * gcc/config/mips/loongson3a.md, gcc/config/mips/octeon.md,
8163         * gcc/config/mips/sb1.md, gcc/config/mips/sr71k.md,
8164         * gcc/config/mips/xlr.md: Handle "atomic" and "syncloop" types.
8166 2012-07-20  Oleg Endo  <olegendo@gcc.gnu.org>
8168         * config/sh/sh.md: Group and sort shift related patterns.
8169         (ashlsi3_n, *ashlhi3_n, lshrsi3_n): Remove length attributes.
8171 2012-07-20  Hans-Peter Nilsson  <hp@axis.com>
8173         * config/cris/cris.c (cris_asm_output_ident): Remove unused
8174         local variables section_asm_op, size, buf.
8176 2012-07-20  Pat Haugen <pthaugen@us.ibm.com>
8177             Steven Bosscher  <steven@gcc.gnu.org>
8179         * config/rs6000/power4.md (power4-store-update): Fix reservation.
8180         (power4-three): Likewise.
8182 2012-07-20  Sameera Deshpande  <sameera.deshpande@arm.com>
8183             Greta Yorsh  <Greta.Yorsh@arm.com>
8185         * config/arm/arm.c (arm_cortex_a15_tune): New tune.
8186         * config/arm/arm-cores.def (cortex-a15): Use it.
8188 2012-07-20  Sameera Deshpande  <sameera.deshpande@arm.com>
8189             Greta Yorsh  <Greta.Yorsh@arm.com>
8191         * config/arm/arm-protos.h (tune_params): Add prefer_ldrd_strd.
8192         * config/arm/arm.c (arm_slowmul_tune): Initialize it.
8193         (arm_fastmul_tune, arm_strongarm_tune): Likewise.
8194         (arm_xscale_tune, arm_9e_tune, arm_v6t2_tune): Likewise.
8195         (arm_cortex_tune, arm_cortex_a5_tune, arm_cortex_a9_tune): Likewise.
8196         (arm_fa726te_tune): Likewise.
8198 2012-07-20  Richard Guenther  <rguenther@suse.de>
8200         * tree-dfa.c (collect_dfa_stats): Simplify.
8201         * tree-ssa-structalias.c (compute_may_aliases): Do not dump
8202         referenced vars.
8203         * cfgexpand.c (estimated_stack_frame_size): Walk over local
8204         decls instead of referenced vars.
8205         * tree-ssa.c (delete_tree_ssa): Simplify.
8206         * tree-tailcall.c (find_tail_calls): Walk over local decls
8207         instead of referenced vars.
8208         (add_virtual_phis): Remove.
8209         (tree_optimize_tail_calls_1): Instead mark the virtual operand
8210         for renaming.
8212 2012-07-20  Steven Bosscher  <steven@gcc.gnu.org>
8214         * basic-block.h (BB_FLAGS_TO_PRESERVE): New define.
8215         (brief_dump_cfg): Update prototype to take flags argument.
8216         (check_bb_profile): Remove prototype.
8217         * tracer.c (tracer): Update brief_dump_cfg calls.
8218         * cfghooks.c (dump_bb): Do not pass TDF_COMMENT to dump_bb_info.
8219         Call dump_bb_info before and after the cfghook dump_bb.  Terminate
8220         the dump with a newline.
8221         (dump_flow_info): Do not call check_bb_profile.
8222         * cfg.c (clear_bb_flags): Update using BB_FLAGS_TO_PRESERVE.
8223         (check_bb_profile): Make static.  Take indent and flags arguments.
8224         (dump_bb_info): Always dump loop depth.  With TDF_DETAILS, call
8225         check_bb_profile.  Print one edge per line.
8226         (brief_dump_cfg): Take a flags argument, and filter out
8227         TDF_COMMENT and TDF_DETAILS.
8228         * pretty-print.c (pp_base_newline): Set pp_needs_newline to false.
8229         * gimple-pretty-print.c (dump_gimple_bb_header): Do not use
8230         dump_bb_info here, it is already called from dump_bb.  Idem for
8231         check_bb_profile.
8232         (dump_gimple_bb_footer): Likewise.
8233         (gimple_dump_bb_buff): Call pp_flush after dump_gimple_stmt to
8234         avoid broken dumps for statement histograms.
8235         (gimple_dump_bb): Handle ENTRY_BLOCK and EXIT_BLOCK.  Do
8236         not call pp_flush here, the buffer should be empty.
8237         * sched-rgn.c (debug_region): Pass TDF_BLOCKS to dump_bb.
8238         * sched-vis.c (debug_bb_slim): Likewise.
8239         * tree-cfg.c (remove_bb): Pass dump_flags to dump_bb.
8240         (gimple_debug_bb): Pass TDF_BLOCKS to dump_bb.
8241         (gimple_dump_cfg): Do brief_dump_cfg with TDF_COMMENT.
8242         (dump_function_to_file): Do not call check_bb_profile on
8243         ENTRY_BLOCK and EXIT_BLOCK, check_bb_profile doesn't handle them.
8244         Use dump_bb instead of gimple_dump_bb.
8245         (print_loops_bb): Use dump_bb instead of gimple_dump_bb.
8246         * passes.c (execute_function_dump): Always call print_rtl_with_bb
8247         for RTL dumps.
8248         * cfgrtl.c (print_rtl_with_bb): Handle printing without an up-to-date
8249         CFG.  With TDF_BLOCKS and TDF_DETAILS, do DF dumps at the top and
8250         bottom of each basic block.
8252 2012-07-20  Richard Guenther  <rguenther@suse.de>
8254         PR tree-optimization/54031
8255         * tree-ssa-ccp.c (get_value_from_alignment): Use
8256         get_pointer_alignment_1.
8258 2012-07-20  Richard Guenther  <rguenther@suse.de>
8260         * tree-inline.c (add_local_variables): Remove check_var_ann
8261         parameter and dead code.
8262         (expand_call_inline): Adjust.
8263         (tree_function_versioning): Likewise.
8265 2012-07-20  Jakub Jelinek  <jakub@redhat.com>
8267         PR c++/28656
8268         * tree-vrp.c (nonnull_arg_p): Handle all nonnull attributes instead
8269         of just the first one.
8271 2012-07-20  Richard Guenther  <rguenther@suse.de>
8273         * builtins.c (get_object_alignment_2): Correct offset handling
8274         when using type alignment of a MEM_REF kind base.
8276 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
8278         PR target/53877
8279         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
8280         (_lzcnt_u64): Ditto.
8282 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
8284         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
8286 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
8288         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
8289         defining statement is a SSA name that occurs in abnormal PHIs.
8291 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
8293         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
8294         conversions.
8296 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
8298         PR rtl-optimization/53942
8299         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
8300         directly from likely spilled non-fixed hard registers, move them
8301         to pseudo first.
8303 2012-07-19  Steve Ellcey  <sellcey@mips.com>
8305         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
8306         MIPS16 mode.
8308 2012-07-19  Jason Merrill  <jason@redhat.com>
8310         PR debug/53235
8311         * dwarf2out.c (get_die_parent): New.
8312         (generate_type_signature): Use it.
8314 2012-07-19  Richard Henderson  <rth@redhat.com>
8316         * config/ia64/vect.md (smulv4hi3_highpart): New.
8317         (umulv4hi3_highpart): New.
8318         (vec_widen_smult_even_v4hi): Rename from pmpy2_even.
8319         (vec_widen_smult_odd_v4hi): Rename from pmpy2_odd.
8320         (udot_prodv8qi, sdot_prodv8qi): Remove.
8321         (sdot_prodv4hi, udot_prodv4hi): Remove.
8322         * config/ia64/ia64.c (ia64_expand_dot_prod_v8qi): Remove.
8323         * config/ia64/ia64-protos.h: Update.
8325         * tree-vect-patterns.c (vect_recog_divmod_pattern): Do not require
8326         vectors larger than UNITS_PER_WORD.
8328         * expr.c (store_constructor): Initialize icode with CODE_FOR_nothing.
8329         * tree-vect-stmts.c (vectorizable_operation): Use LAST_INSN_CODE for
8330         dummy != CODE_FOR_nothing value.
8332 2012-07-19  Uros Bizjak  <ubizjak@gmail.com>
8334         * doc/tm.texi.in (MODE_AFTER): Add entity as the first macro argument.
8335         * doc/tm.texi: Regenerate.
8336         * mode-switching.c (optimize_mode_switching): Update MODE_AFTER call.
8337         * config/sh/sh.h (MODE_AFTER): Update.
8338         * config/epiphany/epiphany.h (MODE_AFTER): Update.
8340 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
8342         PR middle-end/54017
8343         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
8344         (cleanup_tree_cfg_bb): Don't call it.
8345         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
8346         handling.
8348 2012-07-19  Christian Bruel  <christian.bruel@st.com>
8350         PR target/54029
8351         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
8353 2012-07-19  Richard Guenther  <rguenther@suse.de>
8354             Eric Botcazou  <ebotcazou@adacore.com>
8356         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
8357         about transition from invariant to known bits.
8358         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
8360 2012-07-19  Richard Guenther  <rguenther@suse.de>
8362         PR tree-optimization/53970
8363         * tree-vect-data-refs.c (not_size_aligned): Avoid sign-compare warning.
8365 2012-07-19  Tristan Gingold  <gingold@adacore.com>
8366             Richard Henderson  <rth@redhat.com>
8368         * opts.c (finish_options): Handle UI_SEH.
8369         * expr.c (build_personality_function): Handle UI_SEH.
8370         * dwarf2out.c (dwarf2out_begin_prologue): Handle UI_SEH.
8371         * coretypes.h (unwind_info_type): Add UI_SEH.
8372         * config/i386/winnt.c (i386_pe_seh_emit_except_personality):
8373         New function.
8374         (i386_pe_seh_init_sections): Likewise.
8375         * config/i386/cygming.h (TARGET_ASM_EMIT_EXCEPT_PERSONALITY): Define.
8376         (TARGET_ASM_INIT_SECTIONS): Define.
8377         * common/config/i386/i386-common.c (TARGET_EXCEPT_UNWIND_INFO): Define.
8378         (i386_except_unwind_info): New function.
8380 2012-07-18  Maciej W. Rozycki  <macro@codesourcery.com>
8381             Chao-ying Fu  <fu@mips.com>
8383         * config/mips/mips.opt (mmcu): New option.
8384         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
8385         _mips_mcu when TARGET_MCU.
8386         (ASM_SPEC): Pass mcu options to the assembler.
8387         * doc/invoke.texi (MIPS Options): Document -mmcu and -mno-mcu.
8389 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
8391         * config.gcc (v850-*-rtems*): New target.
8392         * config/v850/rtems.h: New.
8393         * config/v850/t-rtems: New.
8395 2012-07-18  Bill Schmidt  <wschmidt@linux.ibm.com>
8397         * doc/invoke.texi: Add -fhoist-adjacent-loads and -ftree-slsr to list
8398         of flags controlling optimization; add -ftree-slsr to list of flags
8399         enabled by default at -O; add -fhoist-adjacent-loads to list of flags
8400         enabled by default at -O2; add -fvect-cost-model to list of flags
8401         enabled by default at -O3; document -fhoist-adjacent-loads and
8402         -ftree-slsr.
8403         * opts.c (default_option): Make -ftree-slsr default at -O1 and above.
8404         * gimple-ssa-strength-reduction.c (gate_strength_reduction): Use
8405         flag_tree_slsr.
8406         * common.opt: Add -ftree-slsr with flag_tree_slsr.
8408 2012-07-18  Jie Zhang  <jzhang918@gmail.com>
8409             Julian Brown  <julian@codesourcery.com>
8411         * config/arm/arm.c (arm_rtx_costs_1): Adjust cost for CONST_VECTOR.
8412         (arm_size_rtx_costs): Likewise.
8413         (neon_valid_immediate): Add a case for double 0.0.
8415 2012-07-18  Andrew Stubbs  <ams@codesourcery.com>
8416             Mark Shinwell  <shinwell@codesourcery.com>
8417             Julian Brown  <julian@codesourcery.com>
8419         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp)
8420         (*movdi_vfp_cortexa8, *movsf_vfp, *thumb2_movsf_vfp)
8421         (*movdf_vfp, *thumb2_movdf_vfp, *movsfcc_vfp)
8422         (*thumb2_movsfcc_vfp, *movdfcc_vfp, *thumb2_movdfcc_vfp): Add
8423         neon_type.
8424         * config/arm/arm.md (neon_type): Update comment.
8426 2012-07-18  Richard Guenther  <rguenther@suse.de>
8428         PR tree-optimization/53970
8429         * tree.h (contains_packed_reference): Remove.
8430         * expr.c (contains_packed_reference): Likewise.
8431         * tree-vect-data-refs.c (not_size_aligned): New function.
8432         (vector_alignment_reachable_p): Use it.
8433         (vect_supportable_dr_alignment): Likewise.
8435 2012-07-18  Richard Guenther  <rguenther@suse.de>
8437         * tree.h (get_object_or_type_alignment): Remove.
8438         * builtins.c (get_object_alignment_2): New function copied from
8439         get_object_alignment_1.  Take extra argument to indicate whether
8440         we take the address of EXP.  Rework to use type alignment information
8441         if not, and return whether the result is an approximation or not.
8442         (get_object_alignment_1): Wrap around get_object_alignment_2.
8443         (get_pointer_alignment_1): Call get_object_alignment_2 indicating
8444         we take the address.
8445         (get_object_or_type_alignment): Remove.
8446         * expr.c (expand_assignment): Call get_object_alignment.
8447         (expand_expr_real_1): Likewise.
8449 2012-07-18  Nick Clifton  <nickc@redhat.com>
8451         * doc/invoke.texi (ARM Options): Document -munaligned-access.
8453 2012-07-18  Oleg Endo  <olegendo@gcc.gnu.org>
8455         * config/sh/sh.md (mulsidi3, umulsidi3): Remove constraints in
8456         expander.  Use arith_reg_dest predicate.
8457         (rotldi3, rotrdi3): Remove constraints in expander.
8458         (adddi3_compact, subdi3_compact, mulsidi3_compact, umulsidi3_compact,
8459         ashlsi3_n, *ashlhi3_n, ashrsi2_16, ashrsi2_31, lshrsi3_n): Convert to
8460         insn_and_split.
8462 2012-07-18  Oleg Endo  <olegendo@gcc.gnu.org>
8464         PR target/33135
8465         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
8466         description.
8467         * config/sh/sh.c (sh_option_override): Do not change
8468         flag_finite_math_only.  Set TARGET_IEEE to complement of
8469         flag_finite_math_only.
8470         * doc/invoke.texi (SH options): Add mno-ieee.  Correct description
8471         of mieee and mno-ieee behavior.
8473 2012-07-18  Steven Bosscher  <steven@gcc.gnu.org>
8475         * graphite-poly.c (print_pbb_body): Fixup dump_bb call.
8477 2012-07-18  Steven Bosscher  <steven@gcc.gnu.org>
8479         * dumpfile.h (TDF_COMMENT): New define.
8480         * basic-block.h (EDGE_FALLTHRU, EDGE_ABNORMAL, EDGE_ABNORMAL_CALL,
8481         EDGE_EH, EDGE_FAKE, EDGE_DFS_BACK, EDGE_CAN_FALLTHRU,
8482         EDGE_IRREDUCIBLE_LOOP, EDGE_SIBCALL, EDGE_LOOP_EXIT, EDGE_TRUE_VALUE,
8483         EDGE_FALSE_VALUE, EDGE_EXECUTABLE, EDGE_CROSSING, EDGE_PRESERVE):
8484         Move to new file cfg-flags.h.
8485         (enum cfg_edge_flags): New enum, using cfg-flags.h.
8486         (EDGE_ALL_FLAGS): Compute value automatically.
8487         (BB_NEW, BB_REACHABLE, BB_IRREDUCIBLE_LOOP, BB_SUPERBLOCK,
8488         BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION,
8489         BB_DUPLICATED, BB_NON_LOCAL_GOTO_TARGET, BB_RTL,
8490         BB_FORWARDER_BLOCK, BB_NONTHREADABLE_BLOCK, BB_MODIFIED, BB_VISITED,
8491         BB_IN_TRANSACTION): Move to new file cfg-flags.h.
8492         (enum bb_flags): Rename to cfg_bb_flags.  Use cfg-flags.h.
8493         (BB_ALL_FLAGS): New, compute value automatically.
8494         (dump_bb_info): Update prototype.
8495         (dump_edge_info): Update prototype.
8496         * cfg-flags.h: New file.
8497         * cfg.c (dump_edge_info): Take flags argument.  Be verbose only if
8498         TDF_DETAILS and not TDF_SLIM.  Include cfg-flags.h for bitnames.
8499         Check that the edge flags are within the range of EDGE_ALL_FLAGS.
8500         (debug_bb): Update dump_bb call.
8501         (dump_cfg_bb_info): Remove.
8502         (dump_bb_info): New function.  Use cfg-flags.h for bitnames.
8503         Adjust verbosity using TDF_* flags.  Check that the basic block flags
8504         are within the range of BB_ALL_FLAGS.
8505         (brief_dump_cfg): Use dump_bb_info instead of dump_cfg_bb_info.
8506         * cfghooks.h (struct cfghooks): Update dump_bb hook, take a FILE
8507         first for consistency with other dump functions.
8508         (dump_bb): Update prototype accordingly.
8509         * cfghooks.c: Include dumpfile.h.
8510         (verify_flow_info): Update dump_edge_info calls.
8511         (dump_bb): Take a flags argument and pass it around.
8512         Use dump_bb_info to dump common information about a basic block.
8513         (dump_flow_info): Moved here from cfgrtl.c.  Make IL agnostic.
8514         (debug_flow_info): Moved here from cfgrtl.c.
8515         * profile.c (is_edge_inconsistent): Update dump_bb calls.
8516         * loop-invariant.c (find_defs): Update print_rtl_with_bb call.
8517         * rtl.h (debug_bb_n_slim, debug_bb_slim, print_rtl_slim,
8518         print_rtl_slim_with_bb): Remove prototypes.
8519         (dump_insn_slim): Adjust prototype to take a const_rtx.
8520         (print_rtl_with_bb): Adjust prototype.
8521         * sched-rgn.c (debug_region): Use dump_bb instead of debug_bb_n_slim.
8522         * sched-vis.c (dump_insn_slim): Take a const_rtx.
8523         (debug_insn_slim): Prototype here near DEBUG_FUNCTION marker.
8524         (print_rtl_slim_with_bb): Remove.
8525         (print_rtl_slim): Rename to debug_rtl_slim.  Print only insn info,
8526         not basic block info (print_rtl_with_bb with TDF_SLIM should be used
8527         for that.  Prototype here near DEBUG_FUNCTION marker.
8528         (debug_bb_slim): Prototype here near DEBUG_FUNCTION marker.
8529         Use dump_bb.
8530         (debug_bb_n_slim): Prototype here near DEBUG_FUNCTION marker.
8531         * tree-cfg.c (gimple_can_merge_blocks_p): Use EDGE_COMPLEX.
8532         (remove_bb): Update dump_bb call.
8533         (gimple_debug_bb): Use dump_bb.
8534         (dump_function_to_file): Update gimple_dump_bb call.
8535         (print_loops_bb): Likewise.
8536         * tree-flow.h (gimple_dump_bb): Update prototype.
8537         * gimple-pretty-print.c (dump_bb_header): Rename to
8538         dump_gimple_bb_header.  Write to a stream instead of a pretty
8539         printer.  Use dump_bb_info to dump basic block info.
8540         (dump_bb_end): Rename to dump_gimple_bb_footer.  Write to a
8541         stream instead of a pretty printer.  Use dump_bb_info.
8542         (gimple_dump_bb_buff): Do not call dump_bb_header and dump_bb_end.
8543         (gimple_dump_bb): Do it here with dump_gimple_bb_header and
8544         dump_gimple_bb_footer.
8545         * cfgrtl.c (rtl_dump_bb): Update prototype.  Only dump DF if the
8546         dump flags have TDF_DETAILS.  Use dump_insn_slim if TDF_SLIM.
8547         (print_rtl_with_bb): Take a flags argument and pass it around.
8548         Use dump_insn_slim if TDF_SLIM.
8549         (dump_bb_info): Removed and re-incarnated in cfg.c.
8550         (dump_flow_info): Moved to cfghooks.c.
8551         (debug_flow_info): Moved to cfghooks.c.
8552         * passes.c (execute_function_dump): Unconditionally use
8553         print_rtl_with_bb for RTL dumps, now that it understands TDF_SLIM.
8554         * final.c (dump_basic_block_info): Update dump_edge_info calls.
8555         * tree-vrp.c (dump_asserts_for): Likewise.
8556         * ifcvt.c (if_convert): Unconditionally use print_rtl_with_bb.
8557         * tree-if-conv.c (if_convertible_bb_p): Don't look at
8558         EDGE_ABNORMAL_CALL, it has no meaning in the GIMPLE world.
8559         * trans-mem.c (make_tm_edge): Don't set EDGE_ABNORMAL_CALL,
8560         for the same reason.
8561         * config/rl78/rl78.c (rl78_reorg): Update print_rtl_with_bb calls.
8563 2012-07-17  Richard Guenther  <rguenther@suse.de>
8565         * tree-vect-data-refs.c (vect_get_new_vect_var): Add referenced
8566         vars here, use create_tmp_reg where appropriate.
8567         (vect_create_addr_base_for_vector_ref): Do not add referenced
8568         vars here, use create_tmp_reg where appropriate.
8569         (vect_create_data_ref_ptr): Likewise.
8570         (vect_create_destination_var): Likewise.
8571         (vect_permute_store_chain): Likewise.
8572         (vect_permute_load_chain): Likewise.
8573         * tree-vect-loop-manip.c (vect_create_cond_for_align_checks):
8574         Likewise.
8575         * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
8576         * tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
8577         (vect_handle_widen_op_by_const): Likewise.
8578         * tree-vect-stmts.c (vect_init_vector): Likewise.
8579         (vectorizable_load): Likewise.
8581 2012-07-17  Tom de Vries  <tom@codesourcery.com>
8583         * hwint.c: Fix loop range.
8585 2012-07-17  Tom de Vries  <tom@codesourcery.com>
8587         * double-int.h (double_int_popcount): New inline function.
8588         * hwint.c (popcount_hwi): New function.
8589         * hwint.h (popcount_hwi): Declare function.  New inline function.
8591 2012-07-17  Richard Henderson  <rth@redhat.com>
8593         * tree-vect-stmts.c (supportable_widening_operation): Remove decl
8594         parameters.
8595         (vectorizable_conversion): Update supportable_widening_operation call.
8596         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
8597         (vect_recog_widen_shift_pattern): Likewise.
8598         * tree-vectorizer.h: Update decl.
8600 2012-07-17  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
8601             Ulrich Weigand  <ulrich.weigand@linaro.org>
8603         * common/config/arm/arm-common.c (arm_option_optimization_table):
8604         Enable -fsched-pressure by default while optimizing.
8605         * config/arm/arm.c (arm_option_override): Use the alternate scheduler
8606         pressure algorithm by default.
8608 2012-07-16  Oleg Endo  <olegendo@gcc.gnu.org>
8610         * config/sh/sh.h (CONST_OK_FOR_I06): Delete.
8611         (CONST_OK_FOR_I10): Move macro to ...
8612         * config/sh/sh.c: ... here.
8613         (sh_legitimate_index_p): Use satisfies_constraint_I06 instead of
8614         CONST_OK_FOR_I06.
8616 2012-07-16  Oleg Endo  <olegendo@gcc.gnu.org>
8618         * config/sh/sh.md: Delete mov related define_peephole patterns.
8620 2012-07-16  Jonathan Wakely  <jwakely.gcc@gmail.com>
8622         PR c++/53919
8623         * doc/install.texi (Installing GCC): Refer to instructions for
8624         released versions. Fix hyphenation.
8626 2012-07-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8628         * config/spu/spu.c (targetm): Move to bottom of file.
8629         (spu_attribute_table): Likewise.
8630         (spu_option_override, spu_init_builtins, spu_builtin_decl,
8631         spu_scalar_mode_supported_p, spu_vector_mode_supported_p,
8632         spu_legitimate_address_p, spu_addr_space_legitimate_address_p,
8633         adjust_operand, get_pic_reg, need_to_save_reg, frame_emit_store,
8634         frame_emit_load, frame_emit_add_imm, emit_nop_for_insn,
8635         insn_clobbers_hbr, spu_emit_branch_hint, spu_emit_vector_compare,
8636         get_branch_target, spu_machine_dependent_reorg, spu_sched_issue_rate,
8637         spu_sched_variable_issue, spu_sched_adjust_cost, spu_sched_init_global,
8638         spu_sched_init, spu_sched_reorder, spu_handle_fndecl_attribute,
8639         spu_handle_vector_attribute, spu_pass_by_reference, spu_function_arg,
8640         spu_function_arg_advance, spu_build_builtin_va_list, spu_va_start,
8641         spu_gimplify_va_arg_expr, store_with_one_insn_p, reg_aligned_for_addr,
8642         spu_assemble_integer, spu_asm_globalize_label, spu_rtx_costs,
8643         spu_function_ok_for_sibcall, spu_init_libfuncs, spu_return_in_memory,
8644         spu_encode_section_info, spu_legitimize_address,
8645         spu_addr_space_legitimize_address, spu_builtin_mask_for_load,
8646         spu_builtin_vectorization_cost, spu_vector_alignment_reachable,
8647         spu_addr_space_pointer_mode, spu_addr_space_address_mode,
8648         spu_addr_space_subset_p, spu_addr_space_convert, spu_sms_res_mii,
8649         spu_section_type_flags, spu_select_section, spu_unique_section,
8650         spu_trampoline_init, spu_conditional_register_usage,
8651         spu_ref_may_alias_errno, spu_output_mi_thunk, spu_unwind_word_mode,
8652         spu_libgcc_cmp_return_mode, spu_libgcc_shift_count_mode,
8653         spu_setup_incoming_varargs): Remove prototypes.
8654         (spu_legitimize_address): Add "static" to definition.
8656 2012-07-16  Jakub Jelinek  <jakub@redhat.com>
8658         * config/i386/rtmintrin.h (_xabort): Remove trailing semicolon.
8660 2012-07-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
8662         * tree-ssa-ccp.c (optimize_unreachable): Check gsi_end_p
8663         before calling gsi_stmt.
8665 2012-07-16  Kirill Yukhin  <kirill.yukhin@intel.com>
8667         Revert
8668         2012-07-16 Sergey Melnikov <sergey.melnikov@intel.com>
8670         * config/i386/i386.md (stack_protect_set): Disable the pattern
8671         for Android since Android libc (bionic) does not provide random
8672         value for stack protection guard at gs:0x14. Guard value
8673         will be provided from external symbol (default implementation).
8674         (stack_protect_set_<mode>): Likewise.
8675         (stack_protect_test): Likewise.
8676         (stack_protect_test_<mode>): Likewise.
8678 2012-07-16  H.J. Lu  <hongjiu.lu@intel.com>
8680         PR middle-end/53959
8681         PR bootstrap/53963
8682         * gimple.c (gimple_types_compatible_p_1): Restore type attribute
8683         comparison.
8685 2012-07-16  Bill Schmidt  <wschmidt@linux.ibm.com>
8687         * opts.c (default_option): Add -fvect-cost-model to default options
8688         at -O3 and above.
8690 2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>
8692         * graphite-clast-to-gimple.c, graphite-dependences.c,
8693         graphite-sese-to-poly.c: Include tree-pass.h instead of dumpfile.h
8694         for pass TODO flags.
8695         * Makefile.in: Fix dependencies.
8697 2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>
8699         * haifa-sched.c (init_before_recovery): Do not set EDGE_CAN_FALLTHRU.
8700         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
8702         * function.c (stack_protect_epilogue): Use expand_call to expand
8703         targetm.stack_protect_fail.
8704         * stmt.c (expand_expr_stmt): Remove now-unused function.
8705         * tree.h (expand_expr_stmt): Remove prototype.
8706         * doc/tm.texi.in (TARGET_STACK_PROTECT_FAIL): Document that this
8707         hook must return a CALL_EXPR.
8708         * doc/tm.texi: Regenerate.
8710         * emit-rtl.c (emit_label_before): Do not allow the same label
8711         to be emitted twice.
8712         (emit_label_after): Likewise.
8713         (emit_label): Likewise.
8715         * flags.h (TYPE_OVERFLOW_WRAPS, TYPE_OVERFLOW_UNDEFINED,
8716         TYPE_OVERFLOW_TRAPS, POINTER_TYPE_OVERFLOW_UNDEFINED): Move to tree.h.
8717         * tree.h (TYPE_OVERFLOW_WRAPS, TYPE_OVERFLOW_UNDEFINED,
8718         TYPE_OVERFLOW_TRAPS, POINTER_TYPE_OVERFLOW_UNDEFINED): New home.
8720 2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>
8722         * system.h (dump_file): Do not define.
8723         * tree-pass.h: Include dumpfile.h, which is a new file containing...
8724         (enum tree_dump_index, TDF_*, get_dump_file_name, dump_enabled_p,
8725         dump_initialized_p, dump_begin, dump_end, dump_node, dump_switch_p,
8726         dump_flag_name, dump_file, dump_flags, dump_file_name,
8727         get_dump_file_info, struct dump_file_info): all of this, moved to...
8728         * dumpfile.h: Here, new file.
8729         * tree-dump.h: Include dumpfile.h, but not tree-pass.h.
8730         (dump_stmt): Remove prototype for C++ specific function.
8731         (dump_enumerated_decls): Move prototype from here...
8732         * tree-flow.h (dump_enumerated_decls): ... to here.
8733         (get_ref_base_and_extent) Move prototype from here ...
8734         * tree.h (get_ref_base_and_extent) ... to here.
8735         * tree-ssa-live.c: Do not inclde tree-pretty-print.h, because
8736         gimple-pretty-print.h is enough.  Do not include tree-dump.h,
8737         include timevar.h and dumpfile.h instead.
8738         (struct numbered_tree_d, compare_decls_by_uid,
8739         dump_enumerated_decls_push, dump_enumerated_decls): Move from here ...
8740         * tree-dfa.c:(struct numbered_tree_d, compare_decls_by_uid,
8741         dump_enumerated_decls_push, dump_enumerated_decls):... to here.
8742         Do not include timevar.h.
8743         * tree.c: Do not include timevar.h.
8744         * tree-cfg.c: Do not include langhooks.h, tree-pretty-print.h, and
8745         timevar.h.
8746         (dump_cfg_stats): Use current_function_name.
8747         (gimple_cfg2vcg): Likewise.
8748         (dump_function_to_file): Likewise.
8749         * df-scan.c: Do not include tree-pass.h and timevar.h.
8750         Include dumpfile.h.
8751         (df_entry_block_bitmap_verify, df_exit_block_bitmap_verify): Do not
8752         use print_current_pass.
8753         * df-problems.c: Include dumpfile.h.
8754         Always define REG_DEAD_DEBUGGING, avoid #ifdef code, because it
8755         leads to errors in the code not selected.
8756         (df_note_compute): Do not print_rtl_with_bb here.  Fix compilation
8757         bug if REG_DEAD_DEBUGGING is not 0, get_insns is not available here.
8758         * lcm.c: Include dumpfile.h.
8759         Remove obsolete include of insn-attr.h.
8760         * dojump.c (do_compare_rtx_and_jump): Remove failure printing for
8761         missing probability notes.
8762         * stmt.c: Include dumpfile.h.
8763         (emit_case_decision_tree): Re-enable printing expand details only
8764         if TDF_DETAILS.
8765         * alias.c, auto-inc-dec.c, bb-reorder.c, caller-save.c, cfg.c,
8766         cfgcleanup.c, cfgexpand.c, cfgloop.c, cfgloopmanip.c, cgraph.c,
8767         cgraphclones.c, cgraphunit.c, combine.c, combine-stack-adj.c,
8768         coverage.c, cprop.c, cse.c, cselib.c, dbgcnt.c, dce.c, df-core.c,
8769         dse.c, dwarf2out.c, emit-rtl.c, except.c, expr.c, final.c,
8770         function.c, fwprop.c, gcse.c, gimple-fold.c,
8771         gimple-pretty-print.c, gimple-ssa-strength-reduction.c,
8772         gimplify.c, graphite-blocking.c, graphite-clast-to-gimple.c,
8773         graphite-dependences.c, graphite-interchange.c,
8774         graphite-optimize-isl.c, graphite-poly.c,
8775         graphite-sese-to-poly.c, haifa-sched.c, hw-doloop.c, ifcvt.c,
8776         ipa.c, ipa-cp.c, ipa-inline-analysis.c, ipa-inline.c,
8777         ipa-inline-transform.c, ipa-prop.c, ipa-pure-const.c,
8778         ipa-reference.c, ipa-split.c, ipa-utils.c, ira.c, ira-emit.c,
8779         jump.c, loop-doloop.c, loop-init.c, loop-invariant.c, loop-iv.c,
8780         loop-unroll.c, loop-unswitch.c, lower-subreg.c,
8781         lto-section-out.c, lto-streamer-in.c, matrix-reorg.c, mcf.c,
8782         mode-switching.c, modulo-sched.c, omega.c, omp-low.c, passes.c,
8783         plugin.c, postreload.c, postreload-gcse.c, predict.c, print-rtl.c,
8784         print-tree.c, profile.c, recog.c, ree.c, regcprop.c, reginfo.c,
8785         regmove.c, regrename.c, reg-stack.c, reload1.c, reorg.c,
8786         sched-rgn.c, sched-vis.c, sel-sched.c, sel-sched-ir.c,
8787         store-motion.c, tracer.c, trans-mem.c, tree-affine.c,
8788         tree-call-cdce.c, tree-cfgcleanup.c, tree-chrec.c,
8789         tree-data-ref.c, tree-diagnostic.c, tree-dump.c,
8790         tree-eh.c, tree-flow-inline.h, tree-if-conv.c, tree-into-ssa.c,
8791         tree-mudflap.c, tree-nrv.c, tree-object-size.c,
8792         tree-optimize.c, tree-outof-ssa.c, tree-predcom.c,
8793         tree-pretty-print.c, tree-profile.c, tree-scalar-evolution.c,
8794         tree-sra.c, tree-ssa-address.c, tree-ssa-alias.c, tree-ssa.c,
8795         tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-copy.c,
8796         tree-ssa-copyrename.c,, tree-ssa-dce.c, tree-ssa-dom.c,
8797         tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-ifcombine.c,
8798         tree-ssa-loop.c, tree-ssa-loop-ch.c, tree-ssa-loop-im.c,
8799         tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c,
8800         tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
8801         tree-ssa-loop-prefetch.c, tree-ssa-loop-unswitch.c,
8802         tree-ssa-math-opts.c, tree-ssa-operands.c, tree-ssa-phiopt.c,
8803         tree-ssa-phiprop.c, tree-ssa-pre.c, tree-ssa-propagate.c,
8804         tree-ssa-reassoc.c, tree-ssa-sccvn.c, tree-ssa-sink.c,
8805         tree-ssa-structalias.c, tree-ssa-tail-merge.c, tree-ssa-ter.c,
8806         tree-ssa-threadedge.c, tree-ssa-threadupdate.c,
8807         tree-ssa-uncprop.c, tree-ssa-uninit.c,
8808         tree-switch-conversion.c, tree-tailcall.c,
8809         tree-vect-data-refs.c, tree-vect-loop.c,
8810         tree-vect-loop-manip.c, tree-vectorizer.c,
8811         tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
8812         tree-vrp.c, value-prof.c, var-tracking.c, web.c: Include tree-pass.h
8813         only if needed.  If tree-pass.h is included, do not include timevar.h
8814         and dumpfile.h.  If tree-pass.h is not included but dump_file, or
8815         dump_flags, or the TDF_* flags are used, include dumpfile.h.
8816         If gimple-pretty-print.h is included, don't include
8817         tree-pretty-print.h.  Remove assorted unnecessary includes.
8819         * config/mn10300/mn10300.c, config/c6x/c6x.c, config/ia64/ia64.c,
8820         config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
8821         config/spu/spu.c, config/mep/mep.c, config/i386/i386.c:
8822         Include dumpfile.h.
8823         * config/rl78/rl78.c: Include dumpfile.h instead of tree-pass.h.
8824         * arm/t-arm, avr/t-avr, i386/t-i386, ia64/t-ia64, mep/t-mep,
8825         spu/t-spu-elf: Fix dependencies.
8827 2012-07-16  Dehao Chen  <dehao@google.com>
8829         Revert
8830         2012-07-10  Dehao Chen  <dehao@google.com>
8832         * tree.h (phi_arg_d): New field.
8833         * tree-flow-inline.h (gimple_phi_arg_block): New function.
8834         (gimple_phi_arg_block_from_edge): New function.
8835         (gimple_phi_arg_set_block): New function.
8836         (gimple_phi_arg_has_block): New function.
8837         (redirect_edge_var_map_block): New function.
8838         * tree-flow.h (_edge_var_map): New field.
8839         * tree-ssa-live.c (remove_unused_locals): Mark phi_arg's block as used.
8840         * tree-eh.c (cleanup_empty_eh_merge_phis): Add block debug info for
8841         redirect_edge_var_map_add.
8842         * tree-outof-ssa.c (_elim_graph): New field.
8843         (insert_partition_copy_on_edge): New parameter.
8844         (insert_value_copy_on_edge): New parameter.
8845         (insert_rtx_to_part_on_edge): New parameter.
8846         (insert_part_to_rtx_on_edge): New parameter.
8847         (elim_graph_add_edge): New parameter.
8848         (elim_graph_remove_succ_edge): New parameter.
8849         (FOR_EACH_ELIM_GRAPH_SUCC): New parameter.
8850         (FOR_EACH_ELIM_GRAPH_PRED): New parameter.
8851         (new_elim_graph): Add block debug info.
8852         (clear_elim_graph): Likewise.
8853         (delete_elim_graph): Likewise.
8854         (elim_graph_add_node): Likewise.
8855         (elim_graph_add_edge): Likewise.
8856         (elim_graph_remove_succ_edge): Likewise.
8857         (eliminate_build): Likewise.
8858         (elim_forward): Likewise.
8859         (elim_unvisited_predecessor): Likewise.
8860         (elim_backward): Likewise.
8861         (elim_create): Likewise.
8862         (eliminate_phi): Likewise.
8863         (insert_backedge_copies): Likewise.
8864         * tree-into-ssa.c (insert_phi_nodes_for): Add block debug info for
8865         add_phi_arg.
8866         (rewrite_add_phi_arguments): Likewise.
8867         * tree-ssa-loop-im.c (execute_sm_if_changed): Likewise.
8868         * tree-ssa-tail-merge.c (replace_block_by): Likewise.
8869         * tree-ssa-threadupdate.c (copy_phi_args): Likewise.
8870         * tree-loop-distribution.c (update_phis_for_loop_copy): Likewise.
8871         * tree-ssa-loop-manip.c (create_iv): Likewise.
8872         (add_exit_phis_edge): Likewise.
8873         (split_loop_exit_edge): Likewise.
8874         (copy_phi_node_args): Likewise.
8875         (tree_transform_and_unroll_loop): Likewise.
8876         * value-prof.c (gimple_ic): Likewise.
8877         (gimple_stringop_fixed_value): Likewise.
8878         * tree-tailcall.c (add_successor_phi_arg): Likewise.
8879         (eliminate_tail_call): Likewise.
8880         (create_tailcall_accumulator): Likewise.
8881         (tree_optimize_tail_calls_1): Likewise.
8882         * tree-phinodes.c (add_phi_arg): Likewise.
8883         (make_phi_node): Likewise.
8884         (resize_phi_node): Likewise.
8885         (remove_phi_arg_num): Likewise.
8886         * omp-low.c (expand_parallel_call): Likewise.
8887         (expand_omp_for_static_chunk): Likewise.
8888         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop):
8889         Likewise.
8890         (slpeel_update_phi_nodes_for_guard1): Likewise.
8891         (slpeel_update_phi_nodes_for_guard2): Likewise.
8892         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8893         (set_prologue_iterations): Likewise.
8894         (slpeel_tree_peel_loop_to_edge): Likewise.
8895         (vect_loop_versioning): Likewise.
8896         * tree-parloops.c (create_phi_for_local_result): Likewise.
8897         (transform_to_exit_first_loop): Likewise.
8898         (create_parallel_loop): Likewise.
8899         * ipa-split.c (split_function): Likewise.
8900         * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
8901         (vect_create_epilog_for_reduction): Likewise.
8902         * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
8903         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Likewise.
8904         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
8905         (cond_if_else_store_replacement_1): Likewise.
8906         * tree-cfgcleanup.c (remove_forwarder_block): Likewise.
8907         (remove_forwarder_block_with_phi): Likewise.
8908         * tree-ssa-pre.c (insert_into_preds_of_block): Likewise.
8909         * tree-predcom.c (initialize_root_vars): Likewise.
8910         (initialize_root_vars_lm): Likewise.
8911         * sese.c (sese_add_exit_phis_edge): Likewise.
8912         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
8913         * tree-ssa.c (flush_pending_stmts): Likewise.
8914         (redirect_edge_var_map_add): Likewise.
8915         (ssa_redirect_edge): Likewise.
8916         * gimple-streamer-in.c (input_phi): Likewise.
8917         * tree-vect-stmts.c (vectorizable_load): Likewise.
8918         * tree-inline.c (copy_phis_for_bb): Likewise.
8919         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
8920         * tree-switch-conversion.c (fix_phi_nodes): Likewise.
8921         * tree-cfg.c (reinstall_phi_args): Likewise.
8922         (gimple_make_forwarder_block): Likewise.
8923         (add_phi_args_after_copy_edge): Likewise.
8924         (gimple_duplicate_sese_tail): Likewise.
8926 2012-07-16 Sergey Melnikov <sergey.melnikov@intel.com>
8928         * config/i386/i386.md (stack_protect_set): Disable the pattern
8929         for Android since Android libc (bionic) does not provide random
8930         value for stack protection guard at gs:0x14. Guard value
8931         will be provided from external symbol (default implementation).
8932         (stack_protect_set_<mode>): Likewise.
8933         (stack_protect_test): Likewise.
8934         (stack_protect_test_<mode>): Likewise.
8936 2012-07-16  Hans-Peter Nilsson  <hp@axis.com>
8938         * config/cris/cris-protos.h (cris_legitimate_address_p): Declare.
8939         * config/cris/cris.h (CONSTANT_ADDRESS_P): Define in terms of
8940         CONSTANT_P and cris_legitimate_address_p.
8941         * config/cris/cris.c (cris_legitimate_address_p): Make non-static.
8942         (cris_preferred_reload_class): Don't return GENERAL_REGS as
8943         preferred to MOF_SRP_REGS.
8945         * config/cris/cris.c (cris_init_libfuncs): Handle initialization
8946         of library functions for basic atomic compare-and-swap.
8947         * config/cris/cris.h (TARGET_ATOMICS_MAY_CALL_LIBFUNCS): New macro.
8948         * config/cris/cris.opt (munaligned-atomic-may-use-library): New option.
8949         * config/cris/sync.md ("atomic_fetch_<atomic_op_name><mode>")
8950         ("cris_atomic_fetch_<atomic_op_name><mode>_1")
8951         ("atomic_compare_and_swap<mode>")
8952         ("cris_atomic_compare_and_swap<mode>_1"): Make conditional on
8953         TARGET_ATOMICS_MAY_CALL_LIBFUNCS for sizes larger than byte.
8954         * config/cris/cris.c (cris_print_operand) <case 'P', 'q'>: New cases.
8955         * config/cris/sync.md (atomic_op_op_cnstr): New code_attr.
8956         (atomic_op_op_pred): Ditto.
8957         (atomic_op_mnem_pre_op2): Renamed from atomic_op_mnem_pre; to
8958         reflect the change to include %2 in expansion.  All callers changed.
8959         (qm3): New mode_attr.
8960         ("atomic_fetch_<atomic_op_name><mode>"): Use <atomic_op_op_pred>
8961         as predicate for operand 2.
8962         ("cris_atomic_fetch_<atomic_op_name><mode>_1"): Update FIXME.  Use
8963         "<atomic_op_op_pred>" "<atomic_op_op_cnstr>" for predicate and
8964         constraint for operand 2.
8965         ("atomic_compare_and_swap<mode>"): Add FIXME.  Change predicate to
8966         nonmemory_operand for operand 3.
8967         ("cris_atomic_compare_and_swap<mode>_1"): Change operand 3 to
8968         exclude memory.  Improve emitted sync code for v10 and v32.  Use
8969         <qm3> instead of <m> for size designator for cmp.
8970         ("atomic_compare_and_swap<mode>"): Change predicate to
8971         nonmemory_operand for operand 3.  Add FIXME.
8972         ("cris_atomic_compare_and_swap<mode>_1"): Change predicates and
8973         constraints for operand 3 to exclude memory.
8974         ("atomic_fetch_<atomic_op_name><mode>")
8975         ("atomic_compare_and_swap<mode>"): Gate expand_mem_thread_fence
8976         calls on result of call to need_atomic_barrier_p.
8978 2012-07-15  Richard Sandiford  <rdsandiford@googlemail.com>
8980         * config/mips/mips.md (move_type): Replace mfhilo and mthilo
8981         with mflo and mtlo.
8982         (type): Split mfhilo into mfhi and mflo.  Split mthilo into mthi
8983         and mtlo.  Adjust move_type->type mapping.
8984         (may_clobber_hilo): Split mthilo into mthi and mtlo.
8985         (*movdi_32bit, *movdi_32bit_mips16, *movdi_64bit, *movdi_64bit_mips16)
8986         (*mov<mode>_internal, *mov<mode>_mips16, *movhi_internal)
8987         (*movhi_mips16, *movqi_internal, *movqi_mips16): Use mtlo and mflo
8988         instead of mthilo and mfhilo.
8989         (mfhi<GPR:mode>_<HILO:mode>): Use mfhi instead of mfhilo.
8990         (mthi<GPR:mode>_<HILO:mode>): Use mthi instead of mthilo.
8991         * config/mips/mips-dsp.md (mips_extr_w, mips_extr_r_w, mips_extr_rs_w)
8992         (mips_extr_s_h, mips_extp, mips_extpdp, mips_shilo, mips_mthlip):
8993         Use mflo instead of mfhilo.
8994         * config/mips/10000.md (r10k_arith): Split mthilo.
8995         (r10k_mfhi, r10k_mflo): Use mfhi and mflo directly.
8996         * config/mips/sb1.md (ir_sb1_mfhi, ir_sb1_mflo): Likewise.
8997         (ir_sb1_mthilo): Split mthilo into mthi and mtlo.
8998         * config/mips/20kc.md (r20kc_imthilo, r20kc_imfhilo): Split
8999         mthilo and mfhilo.
9000         * config/mips/24k.md (r24k_int_mfhilo, r24k_int_mthilo): Likewise.
9001         * config/mips/4130.md (vr4130_class, vr4130_mfhilo, vr4130_mthilo):
9002         Likewise.
9003         * config/mips/4k.md (r4k_int_mthilo, r4k_int_mfhilo): Likewise.
9004         * config/mips/5400.md (ir_vr54_hilo): Likewise.
9005         * config/mips/5500.md (ir_vr55_mthilo, ir_vr55_mfhilo): Likewise.
9006         * config/mips/5k.md (r5k_int_mthilo, r5k_int_mfhilo): Likewise.
9007         * config/mips/7000.md (rm7_mthilo, rm7_mfhilo): Likewise.
9008         * config/mips/74k.md (r74k_int_mfhilo, r74k_int_mthilo): Likewise.
9009         * config/mips/9000.md (rm9k_mfhilo, rm9k_mthilo): Likewise.
9010         * config/mips/generic.md (generic_hilo): Likewise.
9011         * config/mips/loongson2ef.md (ls2_alu): Likewise.
9012         * config/mips/loongson3a.md (ls3a_mfhilo): Likewise.
9013         * config/mips/octeon.md (octeon_imul_o1, octeon_imul_o2)
9014         (octeon_mfhilo_o1, octeon_mfhilo_o2): Likewise.
9015         * config/mips/sr71k.md (ir_sr70_hilo): Likewise.
9016         * config/mips/xlr.md (xlr_hilo): Likewise.
9018 2012-07-14  Andrew Stubbs  <ams@codesourcery.com>
9019             Sandra Loosemore  <sandra@codesourcery.com>
9021         * config/sh/sh.h (SH_ASM_SPEC): Add spaces between options.
9023 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
9025         * config/i386/i386.c (ix86_set_reg_reg_cost): Enable TFmode/TCmode
9026         for TARGET_SSE.
9028 2012-07-14  Steven Bosscher  <steven@gcc.gnu.org>
9030         * toplev.c (init_asm_output): Open asm_out_file in 'w' mode.
9032 2012-07-13  Bill Schmidt  <wschmidt@linux.ibm.com>
9034         PR bootstrap/53955
9035         * config/spu/spu.c (spu_init_cost): Mark static.
9036         (spu_add_stmt_cost): Likewise.
9037         (spu_finish_cost): Likewise.
9038         (spu_destroy_cost_data): Likewise.
9039         * config/i386/i386.c (ix86_init_cost): Mark static.
9040         (ix86_add_stmt_cost): Likewise.
9041         (ix86_finish_cost): Likewise.
9042         (ix86_destroy_cost_data): Likewise.
9043         * config/rs6000/rs6000.c (rs6000_init_cost): Mark static.
9044         (rs6000_add_stmt_cost): Likewise.
9045         (rs6000_finish_cost): Likewise.
9046         (rs6000_destroy_cost_data): Likewise.
9048 2012-07-13  Steven Bosscher  <steven@gcc.gnu.org>
9050         * ggc.h (ggc_internal_alloc_stat, ggc_alloc_typed_stat,
9051         ggc_internal_cleared_alloc_stat, ggc_cleared_alloc_htab_ignore_args,
9052         ggc_cleared_alloc_ptr_array_two_args, ggc_splay_alloc): Add
9053         ATTRIBUTE_MALLOC.
9054         * alloc-pool.h (pool_alloc): Likewise.
9056         * final.c (final): Do not loop to find max_uid.
9058 2012-07-13  Steven Bosscher  <steven@gcc.gnu.org>
9060         * emit-rtl.c (make_debug_insn_raw, make_jump_insn_raw): Make static.
9061         * rtl.h (make_debug_insn_raw, make_jump_insn_raw): Remove prototypes.
9063 2012-07-13  Richard Guenther  <rguenther@suse.de>
9065         PR tree-optimization/53907
9066         * tree-ssa-forwprop.c (associate_pointerplus): New function.
9067         (ssa_forward_propagate_and_combine): Call it.
9069 2012-07-13  Richard Guenther  <rguenther@suse.de>
9071         PR tree-optimization/53922
9072         * tree-vrp.c (value_inside_range): Change prototype to take
9073         min/max instead of value-range.
9074         (range_includes_zero_p): Likewise.  Return the result from
9075         value_inside_range.
9076         (extract_range_from_binary_expr_1): Adjust to handle dont-know
9077         return value from range_includes_zero_p.
9078         (extract_range_from_unary_expr_1): Likewise.
9079         (compare_range_with_value): Likewise.
9080         (vrp_meet_1): Likewise.
9082 2012-07-13  Bill Schmidt  <wschmidt@linux.ibm.com>
9084         * doc/tm.texi: Regenerate.
9085         * doc/tm.texi.in (TARGET_VECTORIZE_INIT_COST): New hook.
9086         (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
9087         (TARGET_VECTORIZE_FINISH_COST): Likewise.
9088         (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
9089         * targhooks.c (default_init_cost): New function.
9090         (default_add_stmt_cost): Likewise.
9091         (default_finish_cost): Likewise.
9092         (default_destroy_cost_data): Likewise.
9093         * targhooks.h (default_init_cost): New decl.
9094         (default_add_stmt_cost): Likewise.
9095         (default_finish_cost): Likewise.
9096         (default_destroy_cost_data): Likewise.
9097         * target.def (init_cost): New DEFHOOK.
9098         (add_stmt_cost): Likewise.
9099         (finish_cost): Likewise.
9100         (destroy_cost_data): Likewise.
9101         * target.h (struct _stmt_vec_info): New extern decl.
9102         (stmt_vectype): Likewise.
9103         (stmt_in_inner_loop_p): Likewise.
9104         * tree-vectorizer.h (stmt_info_for_cost): New struct/typedef.
9105         (stmt_vector_for_cost): New VEC/typedef.
9106         (add_stmt_info_to_vec): New function.
9107         (struct _slp_tree): Remove cost.inside_of_loop field.
9108         (struct _slp_instance): Remove cost.inside_of_loop field; add
9109         stmt_cost_vec field.
9110         (SLP_INSTANCE_INSIDE_OF_LOOP_COST): Remove macro.
9111         (SLP_INSTANCE_STMT_COST_VEC): New accessor macro.
9112         (SLP_TREE_INSIDE_OF_LOOP_COST): Remove macro.
9113         (struct _vect_peel_extended_info): Add stmt_cost_vec field.
9114         (struct _loop_vec_info): Add target_cost_data field.
9115         (LOOP_VINFO_TARGET_COST_DATA): New accessor macro.
9116         (struct _bb_vec_info): Add target_cost_data field.
9117         (BB_VINFO_TARGET_COST_DATA): New accessor macro.
9118         (struct _stmt_vec_info): Remove cost.inside_of_loop field.
9119         (STMT_VINFO_INSIDE_OF_LOOP_COST): Remove macro.
9120         (stmt_vinfo_set_inside_of_loop_cost): Remove function.
9121         (init_cost): New function.
9122         (add_stmt_cost): Likewise.
9123         (finish_cost): Likewise.
9124         (destroy_cost_data): Likewise.
9125         (vect_model_simple_cost): Change parameter list.
9126         (vect_model_store_cost): Likewise.
9127         (vect_model_load_cost): Likewise.
9128         (record_stmt_cost): New extern decl.
9129         (vect_get_load_cost): Change parameter list.
9130         (vect_get_store_cost): Likewise.
9131         * tree-vect-loop.c (new_loop_vec_info): Call init_cost.
9132         (destroy_loop_vec_info): Call destroy_cost_data.
9133         (vect_estimate_min_profitable_iters): Remove old calculation of
9134         inside costs; call finish_cost instead.
9135         (vect_model_reduction_cost): Call add_stmt_cost instead of old
9136         inside-costs calculation.
9137         (vect_model_induction_cost): Likewise.
9138         * tree-vect-data-refs.c (vect_get_data_access_cost): Change to
9139         return a stmt_vector_for_cost; modify calls to vect_get_load_cost
9140         and vect_get_store_cost to obtain the value to return.
9141         (vect_peeling_hash_get_lowest_cost): Obtain a stmt_cost_vec from
9142         vect_get_data_access_cost and store it in the minimum peeling
9143         structure.
9144         (vect_peeling_hash_choose_best_peeling): Change the parameter list
9145         to add a (stmt_vector_for_cost *) output parameter, and set its value.
9146         (vect_enhance_data_refs_alignment): Ignore the new return value from
9147         calls to vect_get_data_access_cost; obtain stmt_cost_vec from
9148         vect_peeling_hash_choose_best_peeling and pass its contents to the
9149         target cost model.
9150         * tree-vect-stmts.c (stmt_vectype): New function.
9151         (stmt_in_inner_loop_p): Likewise.
9152         (record_stmt_cost): Likewise.
9153         (vect_model_simple_cost): Add stmt_cost_vec parameter; call
9154         record_stmt_cost instead of old calculation; don't call
9155         stmt_vinfo_set_inside_of_loop_cost.
9156         (vect_model_promotion_demotion_cost): Call add_stmt_cost instead of
9157         old calculation; don't call stmt_vinfo_set_inside_of_loop_cost.
9158         (vect_model_store_cost): Add stmt_cost_vec parameter; call
9159         record_stmt_cost instead of old calculation; add stmt_cost_vec
9160         parameter to vect_get_store_cost call; don't call
9161         stmt_vinfo_set_inside_of_loop_cost.
9162         (vect_get_store_cost): Add stmt_cost_vec parameter; call
9163         record_stmt_cost instead of old calculation.
9164         (vect_model_load_cost): Add stmt_cost_vec parameter; call
9165         record_stmt_cost instead of old calculation; add stmt_cost_vec
9166         parameter to vect_get_load_cost call; don't call
9167         stmt_vinfo_set_inside_of_loop_cost.
9168         (vect_get_load_cost): Add stmt_cost_vec parameter; call
9169         record_stmt_cost instead of old calculation.
9170         (vectorizable_call): Add NULL parameter to vect_model_simple_cost call.
9171         (vectorizable_conversion): Likewise.
9172         (vectorizable_assignment): Likewise.
9173         (vectorizable_shift): Likewise.
9174         (vectorizable_operation): Likewise.
9175         (vectorizable_store): Add NULL parameter to vect_model_store_cost call.
9176         (vectorizable_load): Add NULL parameter to vect_model_load_cost call.
9177         (new_stmt_vec_info): Don't set STMT_VINFO_INSIDE_OF_LOOP_COST.
9178         * config/spu/spu.c (TARGET_VECTORIZE_INIT_COST): New macro def.
9179         (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
9180         (TARGET_VECTORIZE_FINISH_COST): Likewise.
9181         (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
9182         (spu_init_cost): New function.
9183         (spu_add_stmt_cost): Likewise.
9184         (spu_finish_cost): Likewise.
9185         (spu_destroy_cost_data): Likewise.
9186         * config/i386/i386.c (ix86_init_cost): New function.
9187         (ix86_add_stmt_cost): Likewise.
9188         (ix86_finish_cost): Likewise.
9189         (ix86_destroy_cost_data): Likewise.
9190         (TARGET_VECTORIZE_INIT_COST): New macro def.
9191         (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
9192         (TARGET_VECTORIZE_FINISH_COST): Likewise.
9193         (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
9194         * config/rs6000/rs6000.c (TARGET_VECTORIZE_INIT_COST): New macro def.
9195         (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
9196         (TARGET_VECTORIZE_FINISH_COST): Likewise.
9197         (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
9198         (rs6000_init_cost): New function.
9199         (rs6000_add_stmt_cost): Likewise.
9200         (rs6000_finish_cost): Likewise.
9201         (rs6000_destroy_cost_data): Likewise.
9202         * tree-vect-slp.c (vect_free_slp_instance): Free stmt_cost_vec.
9203         (vect_create_new_slp_node): Don't set SLP_TREE_INSIDE_OF_LOOP_COST.
9204         (vect_get_and_check_slp_defs): Add stmt_cost_vec parameter; add
9205         stmt_cost_vec parameter to vect_model_store_cost and
9206         vect_model_simple_cost calls.
9207         (vect_build_slp_tree): Remove inside_cost parameter; add stmt_cost_vec
9208         parameter; add stmt_cost_vec parameter to vect_get_and_check_slp_defs,
9209         vect_model_load_cost, and recursive vect_build_slp_tree calls; prevent
9210         calculating cost more than once for loads; remove inside_cost
9211         parameter from recursive vect_build_slp_tree calls; call
9212         record_stmt_cost instead of old calculation.
9213         (vect_analyze_slp_instance): Allocate stmt_cost_vec and save it with
9214         the instance; free it on premature exit; remove inside_cost parameter
9215         from vect_build_slp_tree call; add stmt_cost_vec parameter to
9216         vect_build_slp_tree call; don't set SLP_INSTANCE_INSIDE_OF_LOOP_COST.
9217         (new_bb_vec_info): Call init_cost.
9218         (destroy_bb_vec_info): Call destroy_cost_data.
9219         (vect_bb_vectorization_profitable_p): Call add_stmt_cost for each
9220         statement recorded with an SLP instance; call finish_cost instead of
9221         the old calculation.
9222         (vect_update_slp_costs_according_to_vf): Record statement costs from
9223         SLP instances, multiplying by the appropriate number of copies; don't
9224         update SLP_INSTANCE_INSIDE_OF_LOOP_COST.
9226 2012-07-13  Richard Guenther  <rguenther@suse.de>
9228         PR middle-end/53937
9229         * builtins.c (get_pointer_alignment_1): Handle constant
9230         pointers.
9232 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
9233             Steven Bosscher  <steven@gcc.gnu.org>
9234             Bernd Schmidt  <bernds@codesourcery.com>
9236         PR rtl-optimization/53908
9237         * df-problems.c (can_move_insns_across): When doing
9238         memory-reference book-keeping, handle call insns.
9240 2012-07-13  Richard Guenther  <rguenther@suse.de>
9242         * gimple.c (gimple_types_compatible_p_1): Remove redundant
9243         type attribute comparisons.
9244         (gimple_canonical_types_compatible_p): Likewise.
9246 2012-07-12  Hans-Peter Nilsson  <hp@axis.com>
9248         PR rtl-optimization/53176
9249         * rtlanal.c (rtx_cost): Adjust default cost for X with a
9250         UNITS_PER_WORD factor for all X according to the size of
9251         its mode, not just for SUBREGs with untieable modes.
9252         Handle SET.  Use factor * factor for MULT, DIV, UDIV,
9253         MOD, UMOD.
9255 2012-07-12  Uros Bizjak  <ubizjak@gmail.com>
9257         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
9258         QImode and HImode splitters.  Use ix86_comparison_operator.
9259         Explicitly match FLAGS_REG.
9260         (DFmode cmove splitter): Explicitly match FLAGS_REG.
9262 2012-07-11  Steven Bosscher  <steven@gcc.gnu.org>
9264         * expr.h (can_move_by_pieces): Move prototype from here ...
9265         * tree.h (can_move_by_pieces): ... to here.
9266         * optabs.h (set_widening_optab_handler): Use XCNEW.
9267         * gimplify.c: Do not include expr.h.
9269         * toplev.c: Do not include dwarf2out.h.
9270         * config/ia64/ia64.c: Likewise.
9271         * config/sparc/sparc.c: Likewise.
9272         * config/sparc/t-sparc (sparc.o): Fix dependencies.
9274         * Makefile.in (toplev.o): Fix dependencies
9275         (c-family/c-gimplify.o): Likewise.
9276         (c-family/c-common.o): Likewise.
9278 2012-07-11  Steven Bosscher  <steven@gcc.gnu.org>
9280         * basic-block.h (struct edge_def): Use basic_block instead of
9281         basic_block_def *.
9282         * cfgloop.h (struct loop_exit, struct loop): Likewise.
9283         * gengenrtl.c (type_from_format): Likewise.  Also for 'tree'
9284         instead of union tree_node *.
9285         * rtl.h (union rtunion_def, emit_insn_before_noloc,
9286         emit_insn_after_noloc, add_insn_before, add_insn_after,
9287         debug_bb_slim): Likewise.
9288         * tree-inline.h (struct copy_body_data): Likewise.
9289         * sched-rgn.c (dump_region_dot): Likewise.
9290         * gimple.h (struct gimple_statement_base, gimple_set_bb,
9291         gsi_move_to_bb_end): Likewise.
9292         * sched-vis.c (debug_bb_slim): Likewise.
9293         (debug_bb_n_slim): Likewise.
9294         * config/mn10300/mn10300.c (mn10300_insert_setlb_lcc): Likewise.
9295         (mn10300_block_contains_call):
9297 2012-07-11  Greta Yorsh  <Greta.Yorsh@arm.com>
9299         PR target/53859
9300         * config/arm/arm.c (arm_early_load_addr_dep): Handle new
9301         epilogue patterns.
9303 2012-07-11  Jonathan Wakely  <jwakely.gcc@gmail.com>
9305         * doc/extend.texi (Namespace Association): Alter cautionary text.
9307 2012-07-10  Oleg Endo  <olegendo@gcc.gnu.org>
9309         PR target/53911
9310         * config/sh/sh.md: Remove displacement addresssing related splits.
9312 2012-07-10  Xinliang David Li  <davidxl@google.com>
9314         * doc/invoke.texi: New option documented.
9315         * flag-types.h: New enum type.
9316         * gimplify.c (gimplify_bind_expr): Control
9317         clobber generation with new option.
9318         (gimplify_target_expr): Ditto.
9319         * common.opt: New option.
9321 2012-07-10  Julian Brown  <julian@codesourcery.com>
9323         * config/arm/arm.md (movsi): Don't split symbol refs here.
9324         (define_split): New.
9326 2012-07-10  Andreas Schwab  <schwab@linux-m68k.org>
9328         PR bootstrap/53913
9329         * config/m68k/m68k.c (m68k_epilogue_uses): New.
9330         * config/m68k/m68k.h (EPILOGUE_USES): Use it.
9331         * config/m68k/m68k-protos.h (m68k_epilogue_uses): Add prototype.
9333 2012-07-10  Richard Henderson  <rth@redhat.com>
9335         * target.def (builtin_mul_widen_even, builtin_mul_widen_odd): Remove.
9336         * system.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Poison.
9337         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Poison.
9338         * config/i386/i386.c (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI): Remove.
9339         (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V8SI): Remove.
9340         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V4SI): Remove.
9341         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V8SI): Remove.
9342         (IX86_BUILTIN_VEC_WIDEN_SMUL_EVEN_V4SI): Remove.
9343         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V4SI): Remove.
9344         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V8SI): Remove.
9345         (bdesc_args): Remove entries to match.
9346         (ix86_builtin_mul_widen_even, ix86_builtin_mul_widen_odd): Remove.
9347         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Remove.
9348         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Remove.
9349         * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): Remove.
9350         (rs6000_builtin_mul_widen_odd): Remove.
9351         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Remove.
9352         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Remove.
9353         * config/spu/spu.c (spu_builtin_mul_widen_even): Remove.
9354         (spu_builtin_mul_widen_odd): Remove.
9355         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Remove.
9356         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Remove.
9357         * doc/tm.texi.in: Don't document the removed hooks.
9359         * tree-vect-stmts.c (supportable_widening_operation): Expand
9360         WIDEN_MULT_EXPR via VEC_WIDEN_MULT_EVEN/ODD_EXPR if possible.
9362         * expmed.c (expmed_mult_highpart): Rename from expand_mult_highpart.
9363         (expmed_mult_highpart_optab): Rename from expand_mult_highpart_optab.
9364         * optabs.c (can_mult_highpart_p): New.
9365         (expand_mult_highpart): New.
9366         * expr.c (expand_expr_real_2) [MULT_HIGHPART_EXPR): Use it.
9367         * tree-vect-generic.c (expand_vector_operations_1): Don't expand
9368         by pieces if can_mult_highpart_p.
9369         (expand_vector_divmod): Use can_mult_highpart_p and always
9370         generate MULT_HIGHPART_EXPR.
9371         * tree-vect-patterns.c (vect_recog_divmod_pattern): Likewise.
9372         * tree-vect-stmts.c (vectorizable_operation): Likewise.
9374         * config/spu/spu-builtins.md (spu_mpy): Move to spu.md.
9375         (spu_mpyu, spu_mpyhhu, spu_mpyhh): Likewise.
9376         * config/spu/spu.md (vec_widen_smult_odd_v8hi): Rename from spu_mpy.
9377         (vec_widen_umult_odd_v8hi): Rename from spu_mpyu.
9378         (vec_widen_smult_even_v8hi): Rename from spu_mpyhh.
9379         (vec_widen_umult_even_v8hi): Rename from spu_mpyhhu.
9380         * config/spu/spu-builtins.def: Update pattern names to match.
9382         * config/rs6000/altivec.md (vec_widen_umult_even_v16qi): Rename
9383         from altivec_vmuleub.
9384         (vec_widen_smult_even_v16qi): Rename from altivec_vmulesb.
9385         (vec_widen_umult_even_v8hi): Rename from altivec_vmuleuh.
9386         (vec_widen_smult_even_v8hi): Rename from altivec_vmulesh.
9387         (vec_widen_umult_odd_v16qi): Rename from altivec_vmuloub.
9388         (vec_widen_smult_odd_v16qi): Rename from altivec_vmulosb.
9389         (vec_widen_umult_odd_v8hi): Rename from altivec_vmulouh.
9390         (vec_widen_smult_odd_v8hi): Rename from altivec_vmulosh.
9391         * config/rs6000/rs6000-builtin.def: Update pattern names to match.
9393         * config/i386/sse.md (vec_widen_umult_even_v8si): Rename from
9394         avx2_umulv4siv4di3.
9395         (vec_widen_umult_even_v4si): Rename from sse2_umulv2siv2di3.
9396         (vec_widen_smult_even_v8si): Rename from avx2_mulv4siv4di3.
9397         (mulv4si3): Remove XOP test shadowed by SSE4 test.
9398         * config/i386/i386.c (bdesc_args): Update pattern names.
9399         (ix86_expand_sse2_mulvxdi3): Likewise.
9400         (ix86_expand_mul_widen_evenodd): Likewise.  Remove XOP test
9401         shadowed by SSE4 test.
9403         * tree.def (VEC_WIDEN_MULT_EVEN_EXPR, VEC_WIDEN_MULT_ODD_EXPR): New.
9404         * cfgexpand.c (expand_debug_expr): Handle them.
9405         * expr.c (expand_expr_real_2): Likewise.
9406         * fold-const.c (fold_binary_loc): Likewise.
9407         * gimple-pretty-print.c (dump_binary_rhs): Likewise.
9408         * optabs.c (optab_for_tree_code): Likewise.
9409         * tree-cfg.c (verify_gimple_assign_binary): Likewise.
9410         * tree-inline.c (estimate_operator_cost): Likewise.
9411         * tree-pretty-print.c (dump_generic_node): Likewise.
9412         * tree.c (commutative_tree_code): Likewise.
9413         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
9414         Handle type change before looking up optab.
9415         * optabs.h (OTI_vec_widen_umult_even, OTI_vec_widen_umult_odd): New.
9416         (OTI_vec_widen_smult_even, OTI_vec_widen_smult_odd): New.
9417         (vec_widen_umult_even_optab, vec_widen_umult_odd_optab): New.
9418         (vec_widen_smult_even_optab, vec_widen_smult_odd_optab): New.
9419         * genopinit.c (optabs): Initialize them.
9420         * doc/md.texi: Document them.
9422 2012-07-10  Dehao Chen  <dehao@google.com>
9424         * tree.h (phi_arg_d): New field.
9425         * tree-flow-inline.h (gimple_phi_arg_block): New function.
9426         (gimple_phi_arg_block_from_edge): New function.
9427         (gimple_phi_arg_set_block): New function.
9428         (gimple_phi_arg_has_block): New function.
9429         (redirect_edge_var_map_block): New function.
9430         * tree-flow.h (_edge_var_map): New field.
9431         * tree-ssa-live.c (remove_unused_locals): Mark phi_arg's block as used.
9432         * tree-eh.c (cleanup_empty_eh_merge_phis): Add block debug info for
9433         redirect_edge_var_map_add.
9434         * tree-outof-ssa.c (_elim_graph): New field.
9435         (insert_partition_copy_on_edge): New parameter.
9436         (insert_value_copy_on_edge): New parameter.
9437         (insert_rtx_to_part_on_edge): New parameter.
9438         (insert_part_to_rtx_on_edge): New parameter.
9439         (elim_graph_add_edge): New parameter.
9440         (elim_graph_remove_succ_edge): New parameter.
9441         (FOR_EACH_ELIM_GRAPH_SUCC): New parameter.
9442         (FOR_EACH_ELIM_GRAPH_PRED): New parameter.
9443         (new_elim_graph): Add block debug info.
9444         (clear_elim_graph): Likewise.
9445         (delete_elim_graph): Likewise.
9446         (elim_graph_add_node): Likewise.
9447         (elim_graph_add_edge): Likewise.
9448         (elim_graph_remove_succ_edge): Likewise.
9449         (eliminate_build): Likewise.
9450         (elim_forward): Likewise.
9451         (elim_unvisited_predecessor): Likewise.
9452         (elim_backward): Likewise.
9453         (elim_create): Likewise.
9454         (eliminate_phi): Likewise.
9455         (insert_backedge_copies): Likewise.
9456         * tree-into-ssa.c (insert_phi_nodes_for): Add block debug info for
9457         add_phi_arg.
9458         (rewrite_add_phi_arguments): Likewise.
9459         * tree-ssa-loop-im.c (execute_sm_if_changed): Likewise.
9460         * tree-ssa-tail-merge.c (replace_block_by): Likewise.
9461         * tree-ssa-threadupdate.c (copy_phi_args): Likewise.
9462         * tree-loop-distribution.c (update_phis_for_loop_copy): Likewise.
9463         * tree-ssa-loop-manip.c (create_iv): Likewise.
9464         (add_exit_phis_edge): Likewise.
9465         (split_loop_exit_edge): Likewise.
9466         (copy_phi_node_args): Likewise.
9467         (tree_transform_and_unroll_loop): Likewise.
9468         * value-prof.c (gimple_ic): Likewise.
9469         (gimple_stringop_fixed_value): Likewise.
9470         * tree-tailcall.c (add_successor_phi_arg): Likewise.
9471         (eliminate_tail_call): Likewise.
9472         (create_tailcall_accumulator): Likewise.
9473         (tree_optimize_tail_calls_1): Likewise.
9474         * tree-phinodes.c (add_phi_arg): Likewise.
9475         (make_phi_node): Likewise.
9476         (resize_phi_node): Likewise.
9477         (remove_phi_arg_num): Likewise.
9478         * omp-low.c (expand_parallel_call): Likewise.
9479         (expand_omp_for_static_chunk): Likewise.
9480         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop):
9481         Likewise.
9482         (slpeel_update_phi_nodes_for_guard1): Likewise.
9483         (slpeel_update_phi_nodes_for_guard2): Likewise.
9484         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9485         (set_prologue_iterations): Likewise.
9486         (slpeel_tree_peel_loop_to_edge): Likewise.
9487         (vect_loop_versioning): Likewise.
9488         * tree-parloops.c (create_phi_for_local_result): Likewise.
9489         (transform_to_exit_first_loop): Likewise.
9490         (create_parallel_loop): Likewise.
9491         * ipa-split.c (split_function): Likewise.
9492         * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
9493         (vect_create_epilog_for_reduction): Likewise.
9494         * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
9495         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Likewise.
9496         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
9497         (cond_if_else_store_replacement_1): Likewise.
9498         * tree-cfgcleanup.c (remove_forwarder_block): Likewise.
9499         (remove_forwarder_block_with_phi): Likewise.
9500         * tree-ssa-pre.c (insert_into_preds_of_block): Likewise.
9501         * tree-predcom.c (initialize_root_vars): Likewise.
9502         (initialize_root_vars_lm): Likewise.
9503         * sese.c (sese_add_exit_phis_edge): Likewise.
9504         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
9505         * tree-ssa.c (flush_pending_stmts): Likewise.
9506         (redirect_edge_var_map_add): Likewise.
9507         (ssa_redirect_edge): Likewise.
9508         * gimple-streamer-in.c (input_phi): Likewise.
9509         * tree-vect-stmts.c (vectorizable_load): Likewise.
9510         * tree-inline.c (copy_phis_for_bb): Likewise.
9511         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
9512         * tree-switch-conversion.c (fix_phi_nodes): Likewise.
9513         * tree-cfg.c (reinstall_phi_args): Likewise.
9514         (gimple_make_forwarder_block): Likewise.
9515         (add_phi_args_after_copy_edge): Likewise.
9516         (gimple_duplicate_sese_tail): Likewise.
9518 2012-07-09  Oleg Endo  <olegendo@gcc.gnu.org>
9520         PR target/53886
9521         * config/sh/sh.c (sequence_insn_p): New function.
9522         (find_barrier, sh_insn_length_adjustment): Use it.
9524 2012-07-09  Iain Sandoe  <iain@codesourcery.com>
9526         PR target/53283
9527         * config/i386/i386.c (ix86_fold_builtin): Call SUBTARGET_FOLD_BUILTIN
9528         if defined.
9529         * config/darwin.h: Rename TARGET_FOLD_BUILTIN to
9530         SUBTARGET_FOLD_BUILTIN.
9531         * config/rs6000/darwin.h: Map TARGET_FOLD_BUILTIN onto
9532         SUBTARGET_FOLD_BUILTIN.
9534 2012-07-09  Iain Sandoe  <iain@codesourcery.com>
9536         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Move NeXT
9537         runtime exceptions model setting from here ...
9538         * config/darwin.c (darwin_override_options): ... to here.
9540 2012-07-09  Steven Bosscher  <steven@gcc.gnu.org>
9542         PR tree-optimization/53887
9543         * tree-cfg.c (group_case_labels_stmt): Make non-static.
9544         * tree-flow.h (group_case_labels_stmt): Add prototype.
9545         * tree-switch-conversion.c (process_switch): Use group_case_labels_stmt
9546         to pre-process every switch.
9548 2012-07-09  Jason Merrill  <jason@redhat.com>
9550         PR c++/53882
9551         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
9552         (type_hash_eq): Likewise.
9554 2012-07-09  Tom de Vries  <tom@codesourcery.com>
9555             Richard Guenther  <rguenther@suse.de>
9557         * tree-ssa-ccp.c (optimize_unreachable): New function.
9558         (execute_fold_all_builtins): Use optimize_unreachable to optimize
9559         BUILT_IN_UNREACHABLE.  Don't optimize after BUILT_IN_UNREACHABLE.
9561 2012-07-09  Richard Guenther  <rguenther@suse.de>
9563         PR bootstrap/53898
9564         * graphite-optimize-isl.c: Make sure CU is not empty.
9566 2012-07-09  Steven Bosscher  <steven@gcc.gnu.org>
9568         * gensupport.c (init_rtx_reader_args_cb): Start counting code
9569         generating patterns from 1 to free up 0 for CODE_FOR_nothing.
9570         * gencodes.c (main): Give CODE_FOR_nothing the value 0.  Add
9571         the LAST_INSN_CODE marker at the end.
9572         * genoutput.c (nothing): New static struct data.
9573         (idata): Initialize to &nothing.
9574         (idata_end): Initialize to &nothing.next.
9575         (init_insn_for_nothing): New function to create dummy 'nothing' insn.
9576         (main): Use it.
9577         * genpeep.c (insn_code_number): Remove global variable.
9578         (gen_peephole): Take it as an argument instead.
9579         (main): Take insn_code_number from read_md_rtx.
9580         * optabs.h: Revert r161809:
9581         (optab_handlers): Change type of insn_code back to insn_code.
9582         (optab_handler, widening_optab_handler, set_optab_handler,
9583         set_widening_optab_handler, convert_optab_handler,
9584         set_convert_optab_handler, direct_optab_handler,
9585         set_direct_optab_handler): Remove int casts.
9586         Revert to treating the insn_code field as "insn_code".
9588 2012-07-08  Oleg Endo  <olegendo@gcc.gnu.org>
9590         * config/sh/sh.md (*return_i): Move trap_exit attribute check to ...
9591         * config/sh/sh.c (sh_cfun_trap_exit_p): ... this new function.
9592         * config/sh/sh-protos.h: Declare it.
9594 2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>
9596         * mcf.c: Do not include tm.h, tree.h, and langhooks.h.
9597         (dump_fixup_graph): Use current_function_name.
9598         (adjust_cfg_counts): Likewise.
9599         * ira-conflicts.c: Do not include tree.h.
9600         (ira_build_conflicts): Use REG_USERVAR_P instead of DECL_ARTIFICIAL.
9602 2012-07-08  Oleg Endo  <olegendo@gcc.gnu.org>
9604         PR target/51244
9605         * config/sh/sh.md (*branch_true_eq, *branch_false_ne, nott): New insns.
9607 2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>
9609         * basic-block.h: Re-group most prototypes per file.
9610         (struct edge_list): Remove num_blocks field.
9611         (dump_bb_info): Adjust prototypes.
9612         (dump_reg_info): Move prototype to regs.h.
9613         * function.h: Do not include tree.h.
9614         Include vec.h, vecir.h, input.h and machmode.h to compensate.
9615         (function_name): New prototype.
9616         * gimple.h: Include tree.h to compensate for basic-block.h change.
9617         * langhooks.h: Note that tree.h is only necessary for enum tree_code.
9618         * regs.h (dump_reg_info): Prototype here.
9619         * regset.h: Adjust file reference in comment.
9620         (debug_regset): Remove prototype.
9621         * rtl.h: Include flags.h for flag_var_tracking_assignments.
9622         (MAY_HAVE_DEBUG_INSNS): Define as flag_var_tracking_assignments
9623         instead of no-longer-available tree.h's MAY_HAVE_DEBUG_STMTS.
9624         (dump_reg_info, dump_flow_info): Remove prototypes.
9625         * bb-reorder.c (set_edge_can_fallthru_flag): Move from cfganal.c
9626         to here, the only user.  Make static.
9627         (reorder_basic_blocks): Call dump_reg_info before dump_flow_info.
9628         * cfg.c: Do not include tm.h, tree.h, rtl.h, hard-reg-set.h, regs.h,
9629         flags.h, function.h, except.h, diagnostic-core.h, tm_p.h, timevar.h,
9630         tree-pass.h, cfgloop.h, and tree-flow.h.
9631         Include basic-block.h, the first header I'd expect to be included.
9632         (reg_obstack): Move to df-core.c.
9633         (free_edge): Remove bogus ATTRIBUTE_UNUSED.
9634         (remove_edge_raw): Do not call tree-ssa's redirect_edge_var_map_clear.
9635         (redirect_edge_succ_nodup): Move to cfghooks.c.
9636         (dump_regset, debug_regset): Move to df-core.c.
9637         (dump_bb_info): Move to cfgrtl.c.
9638         (dump_reg_info): Move to regstat.c.
9639         (dump_flow_info): Move to cfgrtl.c.
9640         (debug_flow_info): Likewise.
9641         (dump_edge_info): Do not look at cfun, a CFG without cfun is nonsense.
9642         * cfganal.c: Do not include tm.h, rtl.h, obstack.h, hard-reg-set.h,
9643         insn-config.h, recog.h, diagnostic-core.h, tm_p.h, and cfgloop.h.
9644         (flow_active_insn_p, forwarder_block_p, can_fallthru,
9645         could_fall_through): Move to cfgrtl.c.
9646         (set_edge_can_fallthru_flag): Moved to bb-reorder.c.
9647         (create_edge_list): Do not set edge_list's removed num_blocks.
9648         (print_edge_list): Look at n_basic_blocks instead of num_blocks.
9649         (flow_nodes_print): Remove.
9650         (flow_edge_list_print): Remove.
9651         (inverted_post_order_compute): Use FOR_ALL_BB.
9652         * cfgrtl.c (dump_flow_info): Moved from cfg.c.
9653         Do not call dump_reg_info.
9654         (debug_flow_info): Moved from cfg.c
9655         (dump_bb_info): Moved from cfg.c.  Take 'verbose' argument
9656         to avoid looking at TDF_* flags from tree-pass.h.
9657         (flow_active_insn_p, forwarder_block_p, can_fallthru,
9658         could_fall_through): Moved from cfganal.c.
9659         (print_rtl_with_bb): Adjust dump_bb_info calls.
9660         * cfghooks.c (redirect_edge_succ_nodup): Moved from cfg.c.
9661         (remove_edge): Call redirect_edge_var_map_clear if IR_GIMPLE.
9662         (cfgcleanup.c): Look at MAY_HAVE_DEBUG_INSNS, not MAY_HAVE_DEBUG_STMTS.
9663         * cselib.c: Include tree.h with a FIXME.
9664         * df-core.c (reg_obstack): Moved from cfg.c.
9665         (dump_regset): Likewise.
9666         (debug_regset): Likewise.  Make a DEBUG_FUNCTION.
9667         * final.c (compute_alignments): Call dump_reg_info before
9668         dump_flow_info.
9669         * function.c (function_name): New function.
9670         (current_function_name): Use it.
9671         * ifcvt.c (rest_of_handle_if_conversion): Call dump_reg_info before
9672         dump_flow_info.
9673         * ira-conflicts.c: Include tree.h with a note.
9674         * regstat.c (dump_reg_info): Moved here from cfg.c.
9675         * loop-init.c: Include regs.h instead of hard-reg-set.h.
9676         (rtl_loop_init): Call dump_reg_info before dump_flow_info.
9677         (rtl_loop_done): Likewise.
9678         * mcf.c: Include tree.h before langhooks.h.
9679         * predict.c (maybe_hot_count_p): Assert we have cfun.
9680         (probably_never_executed_bb_p): Likewise.
9681         * profile.c (compute_branch_probabilities): Use gimple_dump_cfg
9682         instead of dump_flow_info.
9683         * sched-deps.c: Include tree.h with a FIXME.
9684         (call_may_noreturn_p): Add FIXME note why this function has to
9685         look at function decls instead of function decl flags.
9686         * sched-vis.c: Include tree.h with a FIXME.
9687         (print_rtl_slim): Adjust dump_bb_info uses.
9688         * statistics.c (statistics_fini_pass_2): Use current_function_name
9689         to avoid including tree.h.
9690         (statistics_counter_event): Use function_name for the same reason.
9691         (statistics_histogram_event): Likewise.
9692         * tracer.c (tracer): Remove bogus gcc_assert.  Use brief_dump_cfg
9693         instead of dump_flow_info.
9694         * var-tracking.c (variable_tracking_main_1): Call dump_reg_info
9695         before dump_flow_info.
9696         * doc/cfg.texi: Update CFG documentation.
9697         * Makefile.in (RTL_H): Depend on FLAGS_H.
9698         (GIMPLE_H): Depend on TREE_H.
9699         (FUNCTION_H): Depend on VEC_H, vecir.h, INPUT_H and MACHMODE_H,
9700         but no longer on TREE_H.
9701         (C_COMMON_H): Depend on TREE_H.
9702         (cselib.o, cse.o, cfganal.o, loop-init.o, ira-conflicts.o,
9703         sched-deps.o, sched-vis.o): Fixup dependencies.
9705 2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>
9707         * alias.h: Do not include coretypes.h in header files.
9708         * cppbuiltin.h: Likewise.
9709         * double-int.h: Likewise.
9710         * gimple-fold.h: Likewise.
9711         * flags.h: Likewise.
9712         * tree-ssa-alias.h: Likewise.
9713         * gengtype.h (obstack_chunk_alloc, obstack_chunk_free,
9714         OBSTACK_CHUNK_SIZE): Define here to avoid dependency on coretypes.h.
9715         * Makefile.in (RTL_BASE_H): Depend on coretypes.h.
9716         (TREE_H): Likewise.
9717         (ALIAS_H): Do not depend on coretypes.h.
9718         (FLAGS_H): Likewise.
9719         (realmpfr.o): Depend on coretypes.h.
9721 2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>
9723         * Makefile.in (gengtype-lex.o, gengtype-parse.o, gengtype-state.o,
9724         gengtype.o): Add -DGENERATOR_FILE manually for host gengtype objects.
9726 2012-07-07  Richard Earnshaw  <rearnsha@arm.com>
9728         * arm.h (TARGET_CPU_CPP_BUILTINS): Remove Maverick support.
9729         (TARGET_FPA): Delete definition.
9730         (TARGET_MAVERICK): Likewise.
9731         (TARGET_FPA_EMU2): Likewise.
9732         (arm_fp_model): Remove FPA and Maverick models.
9733         (arm_arch_cirrus): Delete declaration.
9734         (FLOAT_WORDS_BIG_ENDIAN): Delete definition.
9735         (FIXED_REGISTERS): Remove FPA and Maverick support.  Reorganize.
9736         (CALL_USED_REGISTERS): Likewise.
9737         (FIRST_FPA_REGNUM, LAST_FPA_REGNUM): Delete definition.
9738         (FIRST_VFP_REGNUM): Renumbered.
9739         (D7_VFP_REGNUM): Chain definition.
9740         (LAST_LO_VFP_REGNUM): Likewise.
9741         (FIRST_HI_VFP_REGNUM): Likewise.
9742         (LAST_HI_VFP_REGNUM): Likewise.
9743         (FIRST_IWMMXT_GR_REGNUM): Likewise.
9744         (LAST_IWMMXT_GR_REGNUM): Likewise.
9745         (FIRST_IWMMXT_REGNUM): Likewise.
9746         (LAST_IWMMXT_REGNUM): Likewise.
9747         (FRAME_POINTER_REGNUM): Renumbered.
9748         (ARG_POINTER_REGNUM): Renumbered.
9749         (FIRST_PSEUDO_REGISTER): Remove FPA and Maverick registers.
9750         (FIRST_CIRRUS_FP_REGNUM, LAST_CIRRUS_FP_REGNUM): Delete definitions.
9751         (HARD_REGNO_REGNUM): Remove FPA support.
9752         (REG_ALLOC_ORDER): Remove FPA and Maverick registers.  Reorganize.
9753         (reg_class): Likewise.
9754         (REG_CLASS_NAMES): Likewise.
9755         (REG_CLASS_CONTENTS): Likewise.
9756         (CANNOT_CHANGE_MODE_CLASS): Never true.  Update comment.
9757         (SECONDARY_INPUT_RELOAD_CLASS): Remove Maverick support.
9758         (CLASS_MAX_NREGS): Remove FPA and Maverick support.
9759         * aout.h (REGISTER_NAMES): Remove FPA and Maverick registers.
9760         Reorganize.  Use AAPCS preferred names.
9761         (ADDITIONAL_REGISTER_NAMES): Remove aliases for Maverick.  Update
9762         comments.
9763         (OVERLAPPING_REGISTER_NAMES): Update register numbering.
9764         * arm.c (FL_CIRRUS): Delete definition.
9765         (arm_arch_cirrus): Delete variable.
9766         (arm_float_words_big_endian): Delete function.
9767         (cirrus_memory_offset): Delete function.
9768         (output_mov_long_double_fpa_from_arm): Delete function.
9769         (output_mov_long_double_arm_from_fpa): Delete function.
9770         (output_mov_double_fpa_from_arm): Delete function.
9771         (output_mov_double_arm_from_fpa): Delete function.
9772         (emit_sfm): Delete function.
9773         (maybe_get_arm_condition_code): Update comment.
9774         (arm_file_start): Always use softvfp for softfloat systems.
9775         (thumb_core_reg_alloc_order): Adjust for updated register allocation.
9776         (arm_option_override): Remove FPA and Maverick support.  Always
9777         default to vfp as the fallback FPU format.
9778         (use_return_insn): Remove FPA support.
9779         (arm_get_frame_offsets): Likewise.
9780         (arm_save_coproc_regs): Likewise.
9781         (arm_canonicalize_comparison): Remove Maverick support.
9782         (arm_select_cc_mode): Likewise.
9783         (arm_gen_compare_reg): Likewise.
9784         (arm_print_operand): Likewise.
9785         (arm_libcall_value_1): Remove FPA and Maverick support.
9786         (arm_function_value_regno_p): Likewise.
9787         (arm_apply_result_size): Likewise.
9788         (arm_legitimate_index_p): Likewise.
9789         (thumb2_legitimate_index_p): Likewise.
9790         (legitimize_reload_address): Likewise.
9791         (arm_register_move_cost): Likewise.
9792         (arm_hard_regno_mode_ok): Likewise.
9793         (arm_regno_class): Likewise.
9794         (arm_dbx_register_number): Likewise.
9795         (arm_emit_unwind_sequence): Likewise.
9796         (arm_conditional_register_usage): Likewise.
9797         * arm-protos.h (neg_const_double_rtx_ok_for_fpa): Remove declaration.
9798         (cirrus_memory_offset): Likewise.
9799         (output_move_long_double_fpa_from_arm): Likewise.
9800         (output_move_long_double_arm_from_fpa): Likewise.
9801         (output_move_double_fpa_from_arm): Likewise.
9802         (output_move_double_arm_from_fpa): Likewise.
9803         (arm_float_words_big_endian): Likewise.
9804         * arm.md (CC_REGNUM): Renumbered.
9805         (VFPCC_REGNUM): Moved here.  Renumbered.
9806         (FPA_F0_REGNUM, FPA_F7_REGNUM): Delete.
9807         (attr fpu): Remove FPA and Maverick support.
9808         * vfp.md (VFPCC_REGNUM): Delete.  Moved to arm.md.
9809         * arm-cores.def (ep9312): Remove Maverick support.
9810         * arm-arches.def (ep9312): Delete architecture.
9811         * arm-tables.opt: Regenerated.
9813         * arm/linux-elf.h (FPUTYPE_DEFAULT): Set to vfp.
9815 2012-07-07  Steven Bosscher  <steven@gcc.gnu.org>
9817         PR tree-optimization/53881
9818         * tree-switch-conversion.c (emit_case_bit_tests): Do not rely on
9819         comparing labels to establish uniqueness of a switch case target,
9820         use the CFG instead.
9822 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
9824         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
9825         due to negative shift amount.
9827 2012-07-07  Hans-Peter Nilsson  <hp@axis.com>
9829         Fix configure test for "stack protector support in target C library".
9830         * configure.ac (test_prefix, test_exec_prefix): Move setting from
9831         inside sysroot handling to before and outside it.
9832         * configure: Regenerate.
9834 2012-07-06  Kai Tietz  <ktietz@redhat.com>
9836         PR bootstrap/52947
9837         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
9838         as "/mingw/include".
9840 2012-07-06  Alexandre Oliva  <aoliva@redhat.com>
9842         PR debug/53820
9843         * var-tracking.c (vt_add_function_parameter): Convert
9844         internal_arg_pointer into arg_pointer-based address even
9845         without DRAP.
9847 2012-07-06  Alexandre Oilva  <aoliva@redhat.com>
9849         PR rtl-optimization/53827
9850         PR debug/53671
9851         PR debug/49888
9852         * alias.c (memrefs_conflict_p): Adjust offset and size by the
9853         same amount for alignment ANDs.
9855 2012-07-06  Tom de Vries  <tom@codesourcery.com>
9857         PR tree-optimization/51879
9858         * tree-ssa-sccvn.c (copy_reference_ops_from_call)
9859         (visit_reference_op_call): Handle case that lhs is not an SSA_NAME.
9860         (visit_use): Also call visit_reference_op_call for calls with a vdef.
9862 2012-07-06  Tom de Vries  <tom@codesourcery.com>
9864         PR tree-optimization/52009
9865         * tree-ssa-tail-merge.c (gimple_equal_p): For GIMPLE_ASSIGN, compare
9866         value numbers of gimple_vdef.
9867         * tree-ssa-sccvn.h (vn_reference_insert): Add vdef parameter to
9868         prototype.
9869         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MODIFY_EXPR.
9870         (vn_reference_insert): Add and handle vdef parameter.
9871         (visit_reference_op_load): Add argument to vn_reference_insert call.
9872         (visit_reference_op_store): Find value number of vdef of store.  Insert
9873         value number of vdef of store.
9875 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
9877         * config/i386/i386.md (simple lea to add peephole): Also transform
9878         RTXes where second PLUS operand matches output.
9880 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
9882         * config/i386/i386.c (construct_plt_address): Make static.
9883         * config/i386/i386-protos.h (construct_plt_address): Remove.
9885 2012-07-06  Nick Clifton  <nickc@redhat.com>
9887         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
9888         default_encode_section_info.
9890 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
9892         PR target/53853
9893         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
9894         emit PIC sequence for fnaddr symbol reference in advance.
9896 2012-07-06  Eric Botcazou  <ebotcazou@adacore.com>
9898         Revert
9899         2012-06-14  Eric Botcazou  <ebotcazou@adacore.com>
9901         * dwarf2out.c (function_possibly_abstracted_p): New static function.
9902         (gen_subprogram_die): Use it function_possibly_abstracted_p in lieu of
9903         cgraph_function_possibly_inlined_p.
9904         (gen_inlined_subroutine_die): Return if the origin is to be ignored.
9905         (process_scope_var): Do not emit concrete instances of abstracted
9906         nested functions from here.
9907         (gen_decl_die): Emit the abstract instance if the function is possibly
9908         abstracted and not only possibly inlined.
9909         (dwarf2out_finish): Find the first non-abstract parent instance and
9910         attach concrete instances on the limbo list to it.
9912 2012-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
9913             Julian Brown  <julian@codesourcery.com>
9915         PR target/48941
9916         PR target/51980
9917         * config/arm/neon-gen.ml (return_by_ptr): Delete.
9918         (print_function): Handle empty strings.
9919         (return): Delete use of return_by_ptr.
9920         (mask_shape_for_shuffle): New function.
9921         (mask_elems): Likewise.
9922         (shuffle_fn): Likewise.
9923         (params): Simplify and remove use of return_by_ptr.
9924         (get_shuffle): New function.
9925         (print_variant): Update.
9926         * config/arm/neon.ml (rev_elems): New function.
9927         (permute_range): Likewise.
9928         (zip_range): Likewise.
9929         (uzip_range): Likewise.
9930         (trn_range): Likewise.
9931         (zip_elems): Likewise.
9932         (uzip_elems): Likewise.
9933         (trn_elems): Likewise.
9934         (features): New enumeration Use_shuffle. Delete ReturnPtr.
9935         (pf_su_8_16): New.
9936         (suf_32): New.
9937         (ops): Update entries for Vrev64, Vrev32, Vrev16, Vtr, Vzip, Vuzp.
9938         * config/arm/arm_neon.h: Regenerate.
9940 2012-07-05  Richard Guenther  <rguenther@suse.de>
9942         * tree-pretty-print.c (dump_generic_node): Properly test
9943         the result of exact_log2.
9945 2012-07-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9947         * config/s390/s390-protos.h (s390_expand_movmem)
9948         (s390_expand_cmpmem): Add return value.
9949         * config/s390/s390.c (s390_expand_movmem, s390_expand_cmpmem):
9950         Return FALSE to use the library function in some cases.
9951         * config/s390/s390.md (movmem, cmpmem): Evaluate return value of C
9952         helper functions.
9954 2012-07-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9956         * config.gcc: Enable ifunc attribute by default on s390 and s390x.
9958 2012-07-05  Steven Bosscher  <steven@gcc.gnu.org>
9960         * expr.c (try_casesi): Remove bogus ATTRIBUTE_UNUSED markers.
9961         * stmt.c (dump_case_nodes): New.
9962         (expand_case): Split out code generation parts into new functions.
9963         (expand_switch_as_decision_tree_p): Split out from expand_case.
9964         (emit_case_decision_tree): Likewise.
9965         (emit_case_dispatch_table): Likewise.
9967 2012-07-05  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
9969         * config/arm/iterators.md (SDF): New mode iterator.
9970         (V_if_elem): Add support for SF and DF modes.
9971         (V_reg): Likewise.
9972         (F_constraint): New mode iterator attribute.
9973         (F_fma_type): Likewise.
9974         config/arm/vfp.md (fma<SDF:mode>4): New pattern.
9975         (*fmsub<SDF:mode>4): Likewise.
9976         (*fmnsub<SDF:mode>4): Likewise.
9977         (*fmnadd<SDF:mode>4): Likewise.
9979 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
9981         * expmed.c (expand_mult): Initialize coeff and is_neg.
9983 2012-07-04  Oleg Endo  <olegendo@gcc.gnu.org>
9985         * config/sh/predicates.md (zero_extend_operand): New predicate.
9986         * config/sh/sh.md (zero_extendhisi2): Simplify by using new
9987         zero_extend_operand predicate.
9988         (zero_extendqisi2): Likewise.
9990 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
9992         PR middle-end/53321
9993         * ipa.c (symtab_remove_unreachable_nodes): Partially revert r187375
9994         to not call cgraph_propagate_frequency if something was changed.
9996 2012-07-04  Richard Guenther  <rguenther@suse.de>
9998         PR middle-end/53433
9999         * gimple-fold.c (get_base_constructor): Do not return an
10000         error_mark_node DECL_INITIAL.
10002 2012-07-04  Richard Guenther  <rguenther@suse.de>
10004         PR tree-optimization/53844
10005         * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
10006         the loop virtual PHI.
10008 2012-07-04  Richard Guenther  <rguenther@suse.de>
10010         PR tree-optimization/53849
10011         * tree-cfg.c (move_stmt_op): Only call add_referenced_var
10012         for duplicated locals.  Use add_referenced_var_1 to avoid
10013         pushing/popping cfun.
10015 2012-07-04  Kai Tietz  <ktietz@redhat.com>
10017         * config/i386/winnt.c (i386_pe_reloc_rw_mask): New function.
10018         * config/i386/i386-protos.h (i386_pe_reloc_rw_mask): Add
10019         prototype.
10020         * config/i386/cygming.h (TARGET_ASM_RELOC_RW_MASK): Define
10021         as i386_pe_reloc_rw_mask.
10023 2012-07-04  Richard Guenther  <rguenther@suse.de>
10025         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
10026         as in free_lang_data_in_type.
10028 2012-07-04  Tobias Grosser <tobias@grosser.es>
10029             Michael Matz  <matz@suse.de>
10031         * Makefile.in (OBJS): Add graphite-optimize-isl.o.
10032         (graphite-optimize-isl.o): Add dependencies.
10033         * common.opt (floop-nest-optimize): New flag.
10034         * doc/invoke.texi (floop-nest-optimize): Document.
10035         * graphite-dependences.c (compute_deps): Export.
10036         * graphite-poly.h (compute_deps): Declare.
10037         * graphite-optimize-isl.c: New file.
10038         * graphite-poly.c (apply_poly_transforms): Run the loop
10039         nest optimizer.
10040         * tree-ssa-loop.c (gate_graphite_transforms): Enable graphite
10041         if -floop-nest-optimize is enabled.
10043 2012-07-03  Oleg Endo  <olegendo@gcc.gnu.org>
10045         * config/sh/predicates.md (logical_and_operand): New predicate.
10046         * config/sh/constraints.md (Jmb, Jmw): New constraints.
10047         * config/sh/sh.md (andsi3): Move expander above insns.  Add handling
10048         of 0xFFFF constant.  Use logical_and_operand predicate and
10049         satisfies_constraint_Jmb, satisfies_constraint_Jmw.
10050         (*andsi3_compact): Make it an insn_and_split.  Use
10051         logical_and_operand predicate.  Add Jmb,Jmw alternatives.
10053 2012-07-03  Jason Merrill  <jason@redhat.com>
10055         PR c++/53826
10056         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
10058 2012-07-03  Nick Clifton  <nickc@redhat.com>
10060         * config/mep/mep.c (mep_reorg_regmove): Use
10061         next_nonnote_non_debug_insn to advance to the next insn.  Do not
10062         expect delete_insn to return an rtx.
10064 2012-07-03  Richard Guenther  <rguenther@suse.de>
10066         * doc/install.texi (CLooG): Clarify how CLooG needs to be
10067         configured and that it needs to be built against ISL 0.10.
10069 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
10071         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
10072         code model string in the error message.
10074 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
10076         PR target/53811
10077         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
10078         sibcall_insn_operand.  Move it to a temporary register if not.
10080 2012-07-03  Andreas Schwab  <schwab@linux-m68k.org>
10082         PR target/28896
10083         * config/m68k/m68k.c (m68k_option_override): Reset stack_limit_rtx
10084         if !TARGET_68020.
10086 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
10088         * config/i386/xmmintrin.h (_mm_sfence): Use __builtin_ia32_pause.
10090 2012-07-03  Roland McGrath  <mcgrathr@google.com>
10092         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): Also require that the
10093         assembler accept 'rep bsf ...', 'rep bsr ...', 'rep ret' and 'rep nop'.
10094         * configure: Regenerated.
10095         * config/i386/i386.md (simple_return_internal_long): Use %;
10096         (ctz<mode>2): Likewise.
10097         (*pause): Likewise.
10099 2012-07-02  Oleg Endo  <olegendo@gcc.gnu.org>
10101         PR target/51244
10102         * config/sh/predicates.md (t_reg_operand, negt_reg_operand): New
10103         predicates.
10104         * config/sh/sh-protos.h (get_t_reg_rtx): New prototype.
10105         * config/sh/sh.c (get_t_reg_rtx): New function.  Use it when invoking
10106         gen_branch_true and gen_branch_false.
10107         * config/sh/sh.md: Use get_t_reg_rtx when invoking gen_branch_true and
10108         gen_branch_false.
10109         (branch_true, branch_false): Use t_reg_operand predicate.
10110         (*branch_true, *branch_false): Delete.
10111         (movt): Use t_reg_operand predicate.
10112         (*negnegt): Use negt_reg_operand predicate and fold little and big
10113         endian variants.
10114         (*movtt): Use t_reg_operand and fold little and big endian variants.
10115         (*movt_qi): Delete.
10117 2012-07-02  Steven Bosscher  <steven@gcc.gnu.org>
10119         * stmt.c (emit_case_bit_tests): Remove.
10120         (expand_case): Remove expand_switch_using_bit_tests_p code.
10121         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): New.
10122         (MAX_CASE_BIT_TESTS): Moved from stmt.c to here.
10123         (lshift_cheap_p): Likewise.
10124         (expand_switch_using_bit_tests_p): Likewise.
10125         (struct case_bit_test): Likewise.
10126         (case_bit_test_cmp): Likewise.
10127         (emit_case_bit_tests): New implementation for GIMPLE.
10128         (gen_inbound_check): Do not release post-dominator info here.
10129         (process_switch): Reorder code.  Expand as bit tests if it
10130         looks like a win.
10131         (do_switchconv): Release post-dominator info here if something changed.
10132         (struct gimple_opt_pass): Verify more.
10133         * tree.h (expand_switch_using_bit_tests_p): Remove prototype.
10135 2012-07-02  Martin Jambor  <mjambor@suse.cz>
10137         PR middle-end/38474
10138         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
10139         dynamic type change check.
10141 2012-07-02  Richard Guenther  <rguenther@suse.de>
10142             Michael Matz  <matz@suse.de>
10143             Tobias Grosser <tobias@grosser.es>
10144             Sebastian Pop <sebpop@gmail.com>
10146         * Makefile.in: Remove PPL flags in favor of ISL ones.
10147         (BACKENDLIBS): Remove PPL libs.
10148         (INCLUDES): Remove PPL includes in favor of ISL ones.
10149         (graphite-clast-to-gimple.o): Remove graphite-dependences.h and
10150         graphite-cloog-compat.h dependencies.
10151         (graphite-dependences.o): Likewise.
10152         (graphite-poly.o): Likewise.
10153         * configure.ac: Declare ISL vars instead of PPL ones.
10154         * configure: Regenerated.
10155         * doc/install.texi: Replace PPL requirement documentation with ISL one.
10156         * graphite-blocking.c: Remove PPL code, add ISL equivalent.
10157         * graphite-clast-to-gimple.c: Likewise.
10158         * graphite-dependences.c: Likewise.
10159         * graphite-interchange.c: Likewise.
10160         * graphite-poly.h: Likewise.
10161         * graphite-poly.c: Likewise.
10162         * graphite-sese-to-poly.c: Likewise.
10163         * graphite.c: Likewise.
10164         * graphite-scop-detection.c: Re-arrange includes.
10165         * graphite-cloog-util.c: Remove.
10166         * graphite-cloog-util.h: Likewise.
10167         * graphite-ppl.h: Likewise.
10168         * graphite-ppl.c: Likewise.
10169         * graphite-dependences.h: Likewise.
10171 2012-07-02  Richard Guenther  <rguenther@suse.de>
10173         Merge from graphite branch
10174         2011-07-21  Tobias Grosser  <tobias@grosser.es>
10176         * Makefile.in (graphite-clast-to-gimple.o, graphite-cloog-util.o):
10177         Remove graphite-cloog-util.h.
10178         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop,
10179         build_iv_mapping, translate_clast_user, translate_clast,
10180         free_scattering, initialize_cloog_names, build_cloog_prog,
10181         create_params_index): Do not use old compatibility functions.
10182         (clast_name_to_index, set_cloog_options): Remove code for legacy cloog.
10183         * graphite-cloog-util.c (openscop_print_cloog_matrix): Do not use old
10184         compatibility functions.
10185         (new_Cloog_Scattering_from_ppl_Polyhedron): Remove code for legacy
10186         cloog.
10187         * graphite-cloog-util.h: Remove include of graphite-cloog-util.h.
10188         * graphite.c (graphite.c): Do not call outdated cloog_initialize() and
10189         cloog_finalize().
10190         * graphite-cloog-compat.h: Remove.
10192         2011-08-09  Tobias Grosser <tobias@grosser.es>
10194         * graphite-clast-to-gimple.c (new_clast_name_index): Store a copy
10195         of the string, no just a reference.
10196         (clast_name_index): Add a new field, that specifies if we need to free
10197         the name.
10198         (free_clast_name_index): If necessary, free the name string.
10199         (clast_name_index_elt_info): Calculate the hash based on the string
10200         content, not the memory location it is stored in.
10201         (clast_name_to_level): Specify that we do not need to free the name.
10202         (clast_name_to_index): Dito.
10203         (clast_name_to_lb_ub): Dito.
10204         (eq_clast_name_indexes): Compare the strings, not their base pointers.
10205         (free_scattering): Removed.
10206         (initialize_cloog_names): Renamed to add_names_to_union_domain().
10207         (add_names_to_union_domain): Changed to work on a union_domain,
10208         instead of a CloogNames structure.
10209         (build_cloog_prog): Removed.
10210         (build_cloog_union_domain): New.
10211         (generate_cloog_input): New.
10212         (scop_to_clast): Use CloogInput instead of CloogProgram.
10213         (print_generated_program): Adapt to new scop_to_clast() and do not
10214         print the CloogProgram any more.
10215         (create_params_index): Removed, functionality integrated in
10216         add_names_to_union_domain().
10217         (gloog): Adapt to new scop_to_clast().
10218         * graphite-clast-to-gimple.h (scop_to_clast): Remove.
10220         2012-01-11  Tobias Grosser <tobias@grosser.es>
10222         * graphite-clast-to-gimple.c (clast_name_to_index,
10223         clast_name_to_lb_ub, clast_name_to_gcc): Change types.
10224         (clast_to_gcc_expression): Add clast_expr_name as a new
10225         case. Do not assume a clast_expr_term points always to a
10226         clast_expr_name.
10227         (type_for_clast_term): Do not assume a clast_expr_term points always to
10228         a clast_expr_name.
10229         (type_for_clast_name): New.
10230         (type_for_clast_expr): Add clast_expr_name as a new case.
10232         2011-08-03  Sebastian Pop <sebpop@gmail.com>
10234         * graphite-cloog-util.c (new_Cloog_Domain_from_ppl_Polyhedron,
10235         new_Cloog_Scattering_from_ppl_Polyhedron,
10236         new_Cloog_Domain_from_ppl_Pointset_Powerset): Remove ATTRIBUTE_UNUSED.
10238 2012-07-02  Jakub Jelinek  <jakub@redhat.com>
10240         PR tree-optimization/53645
10241         * tree-vect-generic.c (expand_vector_divmod): Use TYPE_MODE (type)
10242         instead of TYPE_MODE (wider_type) as can_vec_perm_p argument.
10244 2012-07-01  Wei Guozhi  <carrot@google.com>
10246         PR target/53447
10247         * config/arm/arm-protos.h (const_ok_for_dimode_op): New prototype.
10248         * config/arm/arm.c (const_ok_for_dimode_op): New function.
10249         * config/arm/constraints.md (Dd): New constraint.
10250         * config/arm/predicates.md (arm_adddi_operand): New predicate.
10251         * config/arm/arm.md (adddi3): Extend it to handle constants.
10252         (arm_adddi3): Likewise.
10253         (addsi3_carryin_<optab>): Extend it to handle sbc case.
10254         (addsi3_carryin_alt2_<optab>): Likewise.
10255         * config/arm/neon.md (adddi3_neon): Extend it to handle constants.
10257 2012-06-30  Nathan Sidwell  <nathan@acm.org>
10259         * coverage.c (bbg_file_stamp): New.
10260         (read_counts_file): Merge incoming stamp with bbg_file_stamp.
10261         (build_info): Write bbg_file_stamp.
10262         (coverage_init): Initialize bbg_file_stamp.  Read counts file
10263         before writing graph header.
10264         (coverage_finish): Don't unlink the data file if we can generate a
10265         unique file stamp.
10266         * tree.h (crc32_unsigned): Declare.
10267         * tree.c (crc32_unsigned_bits): New, broken out of ...
10268         (crc32_byte): ... here.  Use it.
10269         (crc32_unsigned): New.
10271 2012-06-29  Cary Coutant  <ccoutant@google.com>
10273         * dwarf2out.c (add_pubname_string): Don't check for want_pubnames.
10274         (gen_subprogram_die): Don't add pubname if want_pubnames is false.
10275         (gen_variable_die): Likewise.
10276         (gen_namespace_die): Likewise.
10278 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
10280         * tree-eh.c (lower_try_finally_switch): Really put the location of the
10281         last statement of the finally block onto the switch.
10283 2012-06-29  H.J. Lu  <hongjiu.lu@intel.com>
10285         PR target/53539
10286         * config/i386/gnu-user64.h (WCHAR_TYPE): Use "int" only for
10287         TARGET_LP64.
10289 2012-06-29  Sterling Augustine  <saugustine@google.com>
10291         * dwarf2out.c (add_pubname): Add comment.
10292         (add_pubtype): Fix indentation.
10293         (gen_enumeration_type_die): Likewise.
10295 2012-06-29  Jakub Jelinek  <jakub@redhat.com>
10297         * tree-vect-generic.c (expand_vector_divmod): For even/odd
10298         widening multiply, put even always as first argument to VEC_PERM_EXPR.
10300 2012-06-29  Richard Henderson  <rth@redhat.com>
10302         * tree-vect-generic.c: Include target.h.
10303         (expand_vector_divmod): Use builtin_mul_widen_even/odd if supported.
10304         * Makefile.in (tree-vect-generic.o): Update.
10306 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
10308         * configure.ac: Remove special gtfiles case for C.
10309         * configure: Regenerate.
10310         * Makefile.in: Remove C front-end hooks and build hooks that
10311         will be picked up from c/Make-lang.in now.
10312         Add tree-mudflap to C_COMMON_OBJS.
10313         * gengtype.c (files_rules): Adjust gt-files for c/c-decl.c.
10314         * config/vms/vms.c: Look for c-tree.h in c/.
10315         * doc/gty.texi: Remove reference to c-config-lang.in.
10316         * doc/sourcebuild.texi: Document the c/ subdirectory.
10318 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
10320         * system.h (CASE_USE_BIT_TESTS): Poison.
10321         * stmt.c (CASE_USE_BIT_TESTS): Fold away into its only user ...
10322         (expand_switch_using_bit_tests_p): ...here.
10323         * doc/tm.texi.in (CASE_USE_BIT_TESTS): Remove documentation.
10324         * doc/tm.texi (CASE_USE_BIT_TESTS): Regenerate.
10326 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
10328         * system.h (IFCVT_EXTRA_FIELDS): Poison.
10329         (IFCVT_INIT_EXTRA_FIELDS): Poison.
10330         * basic-block.h (struct ce_if_block): Remove IFCVT_EXTRA_FIELDS.
10331         * ifcvt.c (find_if_header): Use IFCVT_MACHDEP_INIT instead of
10332         IFCVT_INIT_EXTRA_FIELDS.
10333         * gengtype-parse.c (struct_field_seq): Remove obsolete comment.
10334         * config/frv/frv.h (IFCVT_INIT_EXTRA_FIELDS): Rename to
10335         IFCVT_MACHDEP_INIT.
10336         * config/frv/frv.c (frv_ifcvt_init_extra_fields): Rename to
10337         frv_ifcvt_machdep_init.
10338         * doc/tm.texi.in (IFCVT_INIT_EXTRA_FIELDS, IFCVT_EXTRA_FIELDS):
10339         Remove documentation.
10340         (IFCVT_MACHDEP_INIT): Document.
10341         * doc/tm.texi: Regenerate.
10343 2012-06-29  Nick Clifton  <nickc@redhat.com>
10345         * config/lm32/lm32.c (lm32_compute_frame_size): Fix typo.
10347 2012-06-29  Jakub Jelinek  <jakub@redhat.com>
10349         * tree-vect-stmts.c (vectorizable_operation): Check both
10350         VEC_WIDEN_MULT_LO_EXPR and VEC_WIDEN_MULT_HI_EXPR optabs.
10351         Verify that operand[0]'s mode is TYPE_MODE (wide_vectype).
10353 2012-06-28  Richard Henderson  <rth@redhat.com>
10355         * doc/generic.texi (MULT_HIGHPART_EXPR): Document it.
10357 2012-06-28  Jakub Jelinek  <jakub@redhat.com>
10359         PR tree-optimization/51581
10360         * tree-vect-stmts.c (permute_vec_elements): Add forward decl.
10361         (vectorizable_operation): Handle vectorization of MULT_HIGHPART_EXPR
10362         also using VEC_WIDEN_MULT_*_EXPR or builtin_mul_widen_* plus
10363         VEC_PERM_EXPR if vector MULT_HIGHPART_EXPR isn't supported.
10364         * tree-vect-patterns.c (vect_recog_divmod_pattern): Use
10365         MULT_HIGHPART_EXPR instead of VEC_WIDEN_MULT_*_EXPR and shifts.
10367         PR tree-optimization/53645
10368         * tree-vect-generic.c (expand_vector_divmod): Use MULT_HIGHPART_EXPR
10369         instead of VEC_WIDEN_MULT_{HI,LO}_EXPR followed by VEC_PERM_EXPR
10370         if possible.
10372 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
10374         PR 53595
10375         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
10376         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
10377         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
10378         avr_hard_regno_call_part_clobbered.
10380 2012-06-28  Richard Guenther  <rguenther@suse.de>
10382         PR middle-end/53790
10383         * expr.c (expand_expr_real_1): Verify if the type is complete
10384         before inspecting its size.
10386 2012-06-28  Andreas Schwab  <schwab@linux-m68k.org>
10388         * doc/include/gpl.texi: Remove.
10389         * doc/sourcebuild.texi (Texinfo Manuals): Don't mention gpl.texi.
10391 2012-06-28  Jakub Jelinek  <jakub@redhat.com>
10393         PR tree-optimization/53645
10394         * tree-vect-generic.c (add_rshift): New function.
10395         (expand_vector_divmod): New function.
10396         (expand_vector_operation): Use it for vector integer
10397         TRUNC_{DIV,MOD}_EXPR by VECTOR_CST.
10398         * tree-vect-patterns.c (vect_recog_divmod_pattern): Replace
10399         unused lguup variable with dummy_int.
10401 2012-06-28  OLivier Hainque  <hainque@adacore.com>
10403         * expr.c (convert_move): Latch mem integer inputs into a
10404         register before expanding a multi-instructions sequence.
10406 2012-06-28  Alexandre Oliva  <aoliva@redhat.com>
10407             Uros Bizjak  <ubizjak@gmail.com>
10408             Jakub Jelinek  <jakub@redhat.com>
10410         PR debug/53706
10411         PR debug/47624
10412         * var-tracking.c (vt_emit_notes): Release loc_exp_dep_pool...
10413         (vt_finalize): ... here instead, if needed.
10415 2012-06-28  Alexandre Oliva  <aoliva@redhat.com>
10417         PR debug/53740
10418         PR debug/52983
10419         PR debug/48866
10420         * dce.c (word_dce_process_block): Check whether inserting debug
10421         temps are needed even for needed insns.
10422         (dce_process_block): Likewise.
10423         * df-problems.c (dead_debug_add): Add comment about multi-regs.
10424         (dead_debug_insert_temp): Likewise.  Don't subreg when we're
10425         setting fewer regs than a multi-reg requires.
10427 2012-06-27  Richard Henderson  <rth@redhat.com>
10429         * config/alpha/alpha.c (alpha_dimode_u): New.
10430         (alpha_init_builtins): Initialize it, and use it.
10431         (alpha_fold_builtin_cmpbge): Use alpha_dimode_u.
10432         (alpha_fold_builtin_zapnot, alpha_fold_builtin_insxx): Likewise.
10433         (alpha_fold_vector_minmax, alpha_fold_builtin_perr): Likewise.
10434         (alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb): Likewise.
10435         (alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw): Likewise.
10436         (alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz): Likewise.
10437         (alpha_fold_builtin_ctpop): Likewise.
10438         (alpha_fold_builtin_umulh): Remove.
10439         (alpha_fold_builtin): Use MULT_HIGHPART_EXPR for UMULH; fix
10440         typo in MAX_ARGS check.
10442 2012-06-27  Richard Henderson  <rth@redhat.com>
10444         * tree.def (MULT_HIGHPART_EXPR): New.
10445         * cfgexpand.c (expand_debug_expr): Ignore it.
10446         * expr.c (expand_expr_real_2): Handle it.
10447         * fold-const.c (int_const_binop_1): Likewise.
10448         * optabs.c (optab_for_tree_code): Likewise.
10449         * tree-cfg.c (verify_gimple_assign_binary): Likewise.
10450         * tree-inline.c (estimate_operator_cost): Likewise.
10451         * tree-pretty-print.c (dump_generic_node): Likewise.
10452         (op_code_prio, op_symbol_code): Likewise.
10453         * tree.c (commutative_tree_code): Likewise.  Also handle
10454         WIDEN_MULT_EXPR, VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR.
10456 2012-06-27  Richard Henderson  <rth@redhat.com>
10458         PR target/53749
10459         * config/i386/i386.c (ix86_rtx_costs): Fix typo vs UNITS_PER_WORD
10460         in 2012-06-23 change.  Adjust two other DImode tests as well.
10462 2012-06-27  Nick Clifton  <nickc@redhat.com>
10464         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
10465         input operand.
10467 2012-06-27  Richard Guenther  <rguenther@suse.de>
10469         PR middle-end/53676
10470         * tree-chrec.c (chrec_convert_1): Represent truncation to
10471         a type with undefined overflow as truncation to an unsigned
10472         type converted to the type with undefined overflow.
10473         * tree-scalar-evolution.c (interpret_rhs_expr): For computing
10474         the scalar evolution of a truncated widened operation avoid
10475         looking at the non-existing evolution of the widened operation
10476         result.
10478 2012-06-27  Richard Guenther  <rguenther@suse.de>
10480         PR tree-optimization/53774
10481         * tree-ssa-reassoc.c (get_rank): All default defs have
10482         precomputed rank.
10483         (init_reassoc): Precompute rank for all SSA default defs.
10485 2012-06-27  Nick Clifton  <nickc@redhat.com>
10487         * config/rx/rx.md (simple_return): Use the simple_return rtx.
10489 2012-06-26  Richard Henderson  <rth@redhat.com>
10491         * config/i386/i386.c (ix86_rtx_costs): Use standard_sse_constant_p
10492         and don't fall thru from standard_80387_constant_p to the memory
10493         fallback.
10495 2012-06-26  Richard Henderson  <rth@redhat.com>
10497         * config/i386/i386.c (bdesc_args): Update.  Change
10498         IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI to OPTION_MASK_ISA_SSE2.
10499         (IX86_BUILTIN_VEC_WIDEN_SMUL_EVEN_V4SI): New.
10500         (ix86_builtin_mul_widen_even): Use it.
10501         (ix86_builtin_mul_widen_odd): Relax SMUL_ODD from sse4 to sse2.
10502         (ix86_expand_mul_widen_evenodd): Handle signed for sse2.
10503         * config/i386/sse.md (vec_widen_<s>mult_hi_<V124_AVX2>): Allow
10504         for all SSE2.
10505         (vec_widen_<s>mult_lo_<V124_AVX2>): Likewise.
10506         (vec_widen_<s>mult_odd_<VI4_AVX2>): Likewise.  Relax from V124_AVX2.
10507         (vec_widen_smult_even_v4si): New.
10509 2012-06-26  Richard Henderson  <rth@redhat.com>
10511         * config/i386/sse.md (mul<VI8_AVX2>3): Change from insn_and_split
10512         to expander; move guts to ...
10513         * config/i386/i386.c (ix86_expand_sse2_mulvxdi3): ... here.  Add
10514         highparts before shifting up.
10515         * config/i386/i386-protos.h: Update.
10517 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
10519         * system.h (USE_COMMON_FOR_ONE_ONLY): Poison.
10520         * defaults.h (USE_COMMON_FOR_ONE_ONLY): Do not provide default.
10521         * config/darwin.h (USE_COMMON_FOR_ONE_ONLY): Do not define.
10523 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
10525         * var-tracking.c (vt_add_function_parameter): Use a preserved
10526         VALUE for the MEM address of an incoming parameter.
10528 2012-06-26  Sterling Augustine <saugustine@google.com>
10530         * dwarf2out.c (output_pubnames): Add check for DW_TAG_enumerator.
10531         (prune_unused_types): Likewise.
10533 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
10535         * system.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
10536         UNALIGNED_LONG_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Poison.
10537         * vmsdbgout.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
10538         UNALIGNED_LONG_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Rename to
10539         VMS_UNALIGNED_SHORT_ASM_OP, VMS_UNALIGNED_INT_ASM_OP,
10540         VMS_UNALIGNED_LONG_ASM_OP, and VMS_UNALIGNED_DOUBLE_INT_ASM_OP.
10541         * config/microblaze/microblaze.h (UNALIGNED_SHORT_ASM_OP,
10542         UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Do not define.
10543         * doc/tm.texi.in: Remove UNALIGNED_INT_ASM_OP reference from the
10544         documentation.
10545         * doc/tm.texi: Regenerate.
10546         * doc/cpp.texi: Make example for #error generic.
10547         * config/frv/frv.h: Fix example text to match tm.texi.
10549 2012-06-26  Bill Schmidt  <wschmidt@linux.ibm.com>
10551         * tree-pass.h (pass_strength_reduction): New decl.
10552         * tree-ssa-loop-ivopts.c (initialize_costs): Make non-static.
10553         (finalize_costs): Likewise.
10554         * timevar.def (TV_TREE_SLSR): New timevar.
10555         * gimple-ssa-strength-reduction.c: New.
10556         * tree-flow.h (initialize_costs): New decl.
10557         (finalize_costs): Likewise.
10558         * Makefile.in (tree-ssa-strength-reduction.o): New dependencies.
10559         * passes.c (init_optimization_passes): Add pass_strength_reduction.
10561 2012-06-26  Matt Turner  <mattst88@gmail.com>
10563         * doc/extend.texi (__builtin_arm_tinsrb): Add missing second parameter.
10564         (__builtin_arm_tinsrh): Likewise.
10565         (__builtin_arm_tinsrw): Likewise.
10566         (__builtin_arm_wsadb): Add missing v2si parameter.
10567         (__builtin_arm_wsadh): Likewise.
10568         (__builtin_arm_getwcx): Delete.
10569         (__builtin_arm_setwcx): Delete.
10570         (__builtin_arm_getwcgr0): Add.
10571         (__builtin_arm_getwcgr1): Add.
10572         (__builtin_arm_getwcgr2): Add.
10573         (__builtin_arm_getwcgr3): Add.
10574         (__builtin_arm_setwcgr0): Add.
10575         (__builtin_arm_setwcgr1): Add.
10576         (__builtin_arm_setwcgr2): Add.
10577         (__builtin_arm_setwcgr3): Add.
10579 2012-06-26  Richard Guenther  <rguenther@suse.de>
10581         Revert
10582         2012-06-21  Richard Guenther  <rguenther@suse.de>
10584         * tree-inline.c (estimate_num_insns): Estimate call cost for
10585         tailcalls properly.
10587 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
10589         PR other/33190
10590         * doc/tm.texi.in: Document LOGICAL_OP_NON_SHORT_CIRCUIT.
10591         * doc/tm.texi: Regenerate.
10593 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
10595         PR other/33190
10596         * config/mips/mips.h: Do not define ALL_COP_ADDITIONAL_REGISTER_NAMES.
10597         * config/frv/frv.h: Do not define REVERSE_CONDEXEC_PREDICATES_P.
10598         * doc/tm.texi.in: Remove documentation for unused target macros
10599         ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
10600         DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
10601         REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
10602         TARGET_NARROW_VOLATILE_BITFIELDS.
10603         Document that MD_HANDLE_UNWABI is a macro in libgcc.
10604         * doc/tm.texi: Regenerate.
10605         * system.h: Poison target macros
10606         ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
10607         DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
10608         REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
10609         TARGET_NARROW_VOLATILE_BITFIELDS
10611 2012-06-26  Jan Hubicka  <jh@suse.cz>
10613         PR lto/53572
10614         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
10615         used symbols.
10617 2012-06-26  Dehao Chen  <dehao@google.com>
10619         * tree-inline.c: (expand_call_inline): Ensure that lexical block's
10620         source location is consistant with the call stmt.
10622 2012-06-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
10624         PR tree-optimization/53729
10625         PR tree-optimization/53636
10626         * tree-vect-slp.c (vect_slp_analyze_bb_1): Delay call to
10627         vect_verify_datarefs_alignment until after statements have
10628         been marked as relevant/irrelevant.
10629         * tree-vect-data-refs.c (vect_verify_datarefs_alignment):
10630         Skip irrelevant statements.
10631         (vect_enhance_data_refs_alignment): Use STMT_VINFO_RELEVANT_P
10632         instead of STMT_VINFO_RELEVANT.
10633         (vect_get_data_access_cost): Do not check for supportable
10634         alignment before calling vect_get_load_cost/vect_get_store_cost.
10635         * tree-vect-stmts.c (vect_get_store_cost): Do not abort when
10636         handling unsupported alignment.
10637         (vect_get_load_cost): Likewise.
10639 2012-06-25  Steven Bosscher  <steven@gcc.gnu.org>
10641         * config/rl78/rl78.h: Do not undefine DONT_USE_BUILTIN_SETJMP.
10642         Do not define JMP_BUF_SIZE.
10644 2012-06-26  Jakub Jelinek  <jakub@redhat.com>
10646         PR tree-optimization/53748
10647         * tree-ssa-phiopt.c (conditional_replacement): Only optimize
10648         if arg0/arg1 have integral or pointer types.
10650 2012-06-25  Richard Henderson  <rth@redhat.com>
10652         * config/i386/sse.md (sse2_sse4_1): Remove code attr.
10653         (<s>dot_prodv4si, <s>dot_prodv8si): Remove
10654         (sdot_prodv4si): New; handle only XOP.
10656 2012-06-25  Richard Henderson  <rth@redhat.com>
10658         * config/i386/i386-builtin-types.def (V4UDI, V8USI): New.
10659         (V2UDI_FUNC_V4USI_V4USI): New.
10660         (V4UDI_FUNC_V8USI_V8USI): New.
10661         * config/i386/i386.c (ix86_expand_args_builtin): Handle them.
10662         (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI): New.
10663         (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V8SI): New.
10664         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V4SI): New.
10665         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V8SI): New.
10666         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V4SI): New.
10667         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V8SI): New.
10668         (bdesc_args): Add them.
10669         (ix86_builtin_mul_widen_even, ix86_builtin_mul_widen_odd): New.
10670         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
10671         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
10672         (ix86_expand_mul_widen_evenodd): Use xop_pmacsdqh.
10673         * config/i386/sse.md (vec_widen_<s>mult_odd_<V124_AVX2>): New.
10675 2012-06-25  Richard Henderson  <rth@redhat.com>
10677         * config/i386.sse.md (mul<VI4_AVX2>3): Use xop_pmacsdd.
10679 2012-06-25  Richard Henderson  <rth@redhat.com>
10681         * config/i386/i386.c (ix86_rtx_costs) [MULT]: Only apply XOP cost
10682         to V16QImode.
10683         (ix86_expand_vec_interleave): New.
10684         (ix86_expand_mul_widen_evenodd): New.
10685         (ix86_expand_mul_widen_hilo): New.
10686         (ix86_expand_sse2_mulv4si3): Use ix86_expand_mul_widen_evenodd.
10687         * config/i386/i386.md (u_bool) New code attr.
10688         * config/i386/predicates.md
10689         (nonimmediate_or_const_vector_operand): Remove.
10690         * config/i386/sse.md (mul<VI4_AVX2>3): Don't use it; don't test
10691         both AVX and SSE4_1.
10692         (vec_widen<s>mult_hi_<VI2_AVX2>): Remove.
10693         (vec_widen<s>mult_lo_<VI2_AVX2>): Remove.
10694         (vec_widen<s>mult_hi_v8si): Remove.
10695         (vec_widen<s>mult_lo_v8si): Remove.
10696         (vec_widen_smult_hi_v4si): Remove.
10697         (vec_widen_smult_lo_v4si): Remove.
10698         (vec_widen_umult_hi_v4si): Remove.
10699         (vec_widen_umult_lo_v4si): Remove.
10700         (vec_widen_<s>mult_hi_<VI124_AVX2>): New.
10701         (vec_widen_<s>mult_lo_<VI124_AVX2>): New.
10702         * config/i386/i386-protos.h: Update.
10704 2012-06-25  Christophe Lyon  <christophe.lyon@st.com>
10706         * config/arm/neon.md (UNSPEC_VLD1_DUP): Remove.
10707         (neon_vld1_dup): Restrict to VQ operands.
10708         (neon_vld1_dupv2di): New, fixes vld1q_dup_s64.
10710 2012-06-25  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
10711             James Greenhalgh  <james.greenhalgh@arm.com>
10713         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Add new built-ins.
10714         (TARGET_FMA): New macro.
10715         (TARGET_ARM_QBIT, TARGET_ARM_SAT): Likewise.
10716         (TARGET_ARM_ARCH): Likewise.
10717         (TARGET_ARM_ARCH_ISA_THUMB): Likewise.
10718         (TARGET_V6M, TARGET_V7M): Likewise.
10719         (TARGET_ARM_ARCH_PROFILE): Likewise.
10720         (TARGET_ARM_FEATURE_LDREX): Likewise.
10721         (TARGET_ARM_FP, TARGET_NEON_FP): Likewise.
10722         (ARM_MIN_ENUM_SIZE): Likewise.
10723         * config/arm/arm.c (arm_file_start): Refactor appropriately.
10724         (base_architecture): New enumeration.
10725         (arm_base_arch): New global variable.
10726         (processors): Add field base_arch.
10727         (ARM_ARCH, ARM_CORE): Adjust accordingly.
10728         (arm_option_override): Add initialization of arm_base_arch.
10729         * doc/cpp.texi (system-specific predefined macros.): Change.
10731 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
10733         PR target/53759
10734         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
10735         of x x x in the vmovlps load alternative.
10737 2012-06-25  Richard Sandiford  <rdsandiford@googlemail.com>
10739         PR debug/53740
10740         * df.h (dead_debug_add): Remove third argument.
10741         * df-problems.c (dead_debug_add): Likewise.  Use the REGNO of the
10742         REG that we want to replace instead.
10743         (dead_debug_insert_temp): Use the REGNO of the reg that we want
10744         to replace instead of DF_REF_REGNO.  Require there to always be
10745         at least one such use.  Check for cases where the same location
10746         has more than df_ref associated with it.
10747         (df_note_bb_compute): Remove third dead_debug_add argument.
10748         * dce.c (word_dce_process_block): Likewise.
10750 2012-06-25  Steven Bosscher  <steven@gcc.gnu.org>
10752         * config/v850/v850.c: Remove redundant extern declarations for
10753         last_assemble_variable_decl and size_directive_output.
10755         * doc/tm.texi.in: Document JMP_BUF_SIZE.
10756         * doc/tm.texi: Regenerate.
10757         * config/sparc/sparc.h (JMP_BUF_SIZE): Do not define.
10758         * config/pa/pa.h (JMP_BUF_SIZE): Likewise.
10759         * config/stormy16/stormy16.h: Likewise.
10761         * config/picochip/picochip.c: Do not define DONT_USE_BUILTIN_SETJMP.
10763         * doc/sourcebuild.texi: Add missing subdirectories.
10765 2012-06-25  Tristan Gingold  <gingold@adacore.com>
10767         * config/i386/i386.h: Fix typo.
10769 2012-06-25  Tristan Gingold  <gingold@adacore.com>
10771         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
10772         (seh_cfa_adjust_cfa): ... that function.
10773         (seh_emit_stackalloc): Do not emit out of range values.
10774         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
10775         UNSPEC_DEF_CFA constants.
10776         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
10777         * config/i386/i386.c (ix86_frame_pointer_required): Required
10778         for very large frames on SEH target.
10779         (ix86_compute_frame_layout): Save area is before frame pointer
10780         on SEH target.  Handle very large frames.
10781         (ix86_expand_prologue): Likewise.
10783 2012-06-24  Steven Bosscher  <steven@gcc.gnu.org>
10785         * output.h: (current_function_is_leaf,
10786         current_function_sp_is_unchanging,
10787         current_function_uses_only_leaf_regs): Remove.
10788         * function.c (current_function_is_leaf,
10789         current_function_sp_is_unchanging,
10790         current_function_uses_only_leaf_regs): Remove.
10791         (rest_of_handle_check_leaf_regs): Set crtl->uses_only_leaf_regs
10792         instead of current_function_uses_only_leaf_regs.
10793         * function.h (struct rtl_data): New fields sp_is_unchanging,
10794         is_leaf, uses_only_leaf_regs.
10795         * resource.c (init_resource_info): Replace current_function_is_leaf,
10796         current_function_sp_is_unchanging, and
10797         current_function_uses_only_leaf_regs with new crtl fields.
10798         * sdbout.c (sdbout_symbol): Likewise.
10799         * df-core.c (rest_of_handle_df_initialize): Likewise.
10800         * ira.c (ira): Likewise.
10801         * final.c (final_start_function): Likewise.
10802         * reorg.c (fill_simple_delay_slots): Likewise.
10803         * regrename.c (check_new_reg_p): Likewise.
10804         * stack-ptr-mod.c (notice_stack_pointer_modification_1): Likewise.
10805         (notice_stack_pointer_modification): Likewise.
10806         * dbxout.c (dbxout_symbol): Likewise.
10807         (dbxout_parms): Likewise.
10808         * sel-sched.c (init_regs_for_mode): Likewise.
10809         * dwarf2out.c (dbx_reg_number): Likewise.
10810         (multiple_reg_loc_descriptor): Likewise.
10811         * config/i386/i386.c (ix86_frame_pointer_required): Likewise.
10812         (gen_pop): Likewise.
10813         (ix86_select_alt_pic_regnum): Likewise.
10814         (ix86_compute_frame_layout): Likewise.
10815         (ix86_finalize_stack_realign_flags): Likewise.
10816         (ix86_expand_epilogue): Likewise.
10817         * config/rs6000/rs6000.c (rs6000_stack_info): Likewise.
10818         * config/h8300/h8300.c (byte_reg): Likewise.
10819         * config/c6x/c6x.c (must_reload_pic_reg_p): Likewise.
10820         (c6x_save_reg): Likewise.
10821         (c6x_compute_frame_layout): Likewise.
10822         * config/pa/pa.c (pa_compute_frame_size): Likewise.
10823         (pa_output_function_prologue): Likewise.
10824         * config/stormy16/stormy16.c (struct xstormy16_stack_layout): Likewise.
10825         * config/sparc/sparc.md (attr "leaf_function"): Likewise.
10826         * config/sparc/sparc.c (sparc_initial_elimination_offset): Likewise.
10827         (sparc_expand_prologue): Likewise.
10828         (sparc_flat_expand_prologue): Likewise.
10829         (sparc_asm_function_prologue): Likewise.
10830         (sparc_output_mi_thunk): Likewise.
10831         (sparc_frame_pointer_required): Likewise.
10832         * config/epiphany/epiphany.c (epiphany_compute_function_type):
10833         Likewise.
10834         (epiphany_compute_frame_size): Likewise.
10835         * config/lm32/lm32.c (lm32_compute_frame_size): Likewise.
10836         * config/cris/cris.c (cris_md_asm_clobbers): Likewise.
10837         (cris_frame_pointer_required): Likewise.
10838         * config/tilepro/tilepro.c (emit_sp_adjust): Likewise.
10839         (tilepro_current_function_is_leaf): Likewise.
10840         * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Likewise.
10841         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
10842         * config/ia64/ia64.c (find_gr_spill): Likewise.
10843         (ia64_compute_frame_size): Likewise.
10844         (ia64_can_eliminate): Likewise.
10845         (ia64_initial_elimination_offset): Likewise.
10846         * config/m68k/m68k.c (m68k_save_reg): Likewise.
10847         (m68k_expand_epilogue): Likewise.
10848         * config/rx/rx.c (rx_get_stack_layout): Likewise.
10849         * config/tilegx/tilegx.c (tilegx_current_function_is_leaf): Likewise.
10850         * config/picochip/picochip.c (picochip_can_eliminate_link_sp_save):
10851         Likewise.
10852         (picochip_output_frame_debug): Likewise.
10853         * config/sh/sh.c (sh_media_register_for_return): Likewise.
10854         (sh_allocate_initial_value): Likewise.
10855         (sh_output_mi_thunk): Likewise.
10856         * config/microblaze/microblaze.c (microblaze_must_save_register):
10857         Likewise.
10858         (compute_frame_size): Likewise.
10859         (microblaze_initial_elimination_offset): Likewise.
10860         (microblaze_expand_prologue): Likewise.
10861         (microblaze_expand_epilogue): Likewise.
10862         * config/frv/frv.c (frv_expand_epilogue): Likewise.
10863         (frv_frame_pointer_required): Likewise.
10864         * config/spu/spu.c (get_pic_reg): Likewise.
10865         (direct_return): Likewise.
10866         (spu_expand_prologue): Likewise.
10867         (spu_expand_epilogue): Likewise.
10868         (spu_initial_elimination_offset): Likewise.
10869         * config/mips/mips.c (mips_global_pointer): Likewise.
10870         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
10871         (mips_compute_frame_info): Likewise.
10872         * config/mep/mep.c (mep_interrupt_saved_reg): Likewise.
10873         (mep_reload_pointer): Likewise.
10874         * config/rl78/rl78.c (need_to_save): Likewise.
10875         * config/cr16/cr16.c (cr16_compute_save_regs): Likewise.
10876         * config/score/score.c (score_compute_frame_size): Likewise.
10877         (score_function_prologue): Likewise.
10878         * config/bfin/bfin.c (must_save_p): Likewise.
10879         (expand_prologue_reg_save): Likewise.
10880         (expand_epilogue_reg_restore): Likewise.
10881         (bfin_frame_pointer_required): Likewise.
10882         (n_regs_saved_by_prologue): Likewise.
10883         (add_to_reg): Likewise.
10884         (expand_interrupt_handler_prologue): Likewise.
10885         (expand_interrupt_handler_epilogue): Likewise.
10886         (bfin_expand_prologue): Likewise.
10887         * config/avr/avr.c (avr_regs_to_save): Likewise.
10888         (avr_prologue_setup_frame): Likewise.
10889         (expand_epilogue): Likewise.
10890         * config/s390/s390.c (s390_regs_ever_clobbered): Likewise.
10891         (s390_register_info): Likewise.
10892         (s390_frame_info): Likewise.
10893         (s390_init_frame_layout): Likewise.
10894         (s390_emit_prologue): Likewise.
10897 2012-06-24  Steven Bosscher  <steven@gcc.gnu.org>
10899         * system.h: Poison ASM_BYTE_OP and ASM_OUTPUT_BYTE.
10900         * vmsdbgout: Do not undefine it if defined.
10901         Rename local ASM_BYTE_OP definition to VMS_ASM_BYTE_OP.
10902         * config/microblaze/microblaze/h: Do no define ASM_BYTE_OP.
10903         * config/mep/mep.h: Do not define ASM_OUTPUT_BYTE.
10905 2012-06-24  Richard Sandiford  <rdsandiford@googlemail.com>
10907         * config/mips/mips.c (mips_process_sync_loop): Add missing enum cast.
10909 2012-06-23  Richard Henderson  <rth@redhat.com>
10911         PR target/53749
10912         * config/i386/i386.c (ix86_rtx_costs): Add reasonable costs for
10913         V*QImode shifts and multiply.
10914         (ix86_expand_vecop_qihi): Support shifts.
10915         * config/i386/i386.md (any_shift): New code iterator.
10916         * config/i386/sse.md (ashlv16qi3): Merge ...
10917         (<any_shiftrt>v16qi3): ... into ...
10918         (<any_shift><VI1_AVX2>3): ... here.  Use ix86_expand_vecop_qihi
10919         to support SSE and AVX.
10921         * config/i386/i386.c (ix86_expand_sse_unpack): Split operands[]
10922         parameter into src and dest.
10923         * config/i386/sse.md (vec_unpacku_hi_<V124_AVX2>): Update call.
10924         (vec_unpacks_hi_<V124_AVX2>): Likewise.
10925         (vec_unpacku_lo_<V124_AVX2>): Likewise.
10926         (vec_unpacks_lo_<V124_AVX2>): Likewise.
10927         * config/i386/i386-protos.h: Update.
10929         * config/i386/sse.md (mul<VI1_AVX2>3): Change from insn_and_split to
10930         pure expander; move expansion code ...
10931         * config/i386/i386.c (ix86_expand_vecop_qihi): ... here.  New function.
10932         * config/i386/i386-protos.h: Update.
10934 2012-06-22  Edmar Wienskoski  <edmar@freescale.com>
10936         * config/rs6000/rs6000.md (define_attr "type"): New type popcnt.
10937         (popcntb<mode>2): Add attribute type popcnt.
10938         (popcntd<mode>2): Ditto.
10939         * config/rs6000/power4.md (define_insn_reservation): Add type popcnt.
10940         * config/rs6000/power5.md (define_insn_reservation): Ditto.
10941         * config/rs6000/power7.md (define_insn_reservation): Ditto.
10942         * config/rs6000/476.md (define_insn_reservation): Ditto.
10943         * config/rs6000/power6.md (define_insn_reservation): New
10944         reservation for popcnt instructions.
10946 2012-06-22  H.J. Lu  <hongjiu.lu@intel.com>
10948         * doc/invoke.texi: Update -mpreferred-stack-boundary=3 warning.
10950 2012-06-22  H.J. Lu  <hongjiu.lu@intel.com>
10952         PR target/53383
10953         * doc/invoke.texi: Add a warning for -mpreferred-stack-boundary=3.
10955         * config/i386/i386.c (ix86_option_override_internal): Allow
10956         -mpreferred-stack-boundary=3 for 64-bit if SSE is disabled.
10958         * config/i386/i386.h (MIN_STACK_BOUNDARY): Set to 64 for 64-bit
10959         if SSE is disabled.
10961 2012-06-22  Bill Schmidt  <wschmidt@linux.ibm.com>
10963         * double-int.c (double_int_multiple_of): New function.
10964         * double-int.h (double_int_multiple_of): New decl.
10965         * tree-ssa-loop-ivopts.c (add_cost, zero_cost): Remove undefs.
10966         (mbc_entry_hash): New forward decl.
10967         (mbc_entry_eq): Likewise.
10968         (zero_cost): Change to no_cost.
10969         (mult_costs): New static var.
10970         (cost_tables_exist): Likewise.
10971         (initialize_costs): New function.
10972         (finalize_costs): Likewise.
10973         (tree_ssa_iv_optimize_init): Call initialize_costs.
10974         (add_cost): Change to add_regs_cost; distinguish costs by speed.
10975         (multiply_regs_cost): New function.
10976         (add_const_cost): Likewise.
10977         (extend_or_trunc_reg_cost): Likewise.
10978         (negate_reg_cost): Likewise.
10979         (multiply_by_cost): Change to multiply_by_const_cost; distinguish
10980         costs by speed.
10981         (get_address_cost): Change add_cost to add_regs_cost; change
10982         multiply_by_cost to multiply_by_const_cost.
10983         (force_expr_to_var_cost): Change zero_cost to no_cost; change
10984         add_cost to add_regs_cost; change multiply_by_cost to
10985         multiply_by_const_cost.
10986         (split_cost): Change zero_cost to no_cost.
10987         (ptr_difference_cost): Likewise.
10988         (difference_cost): Change zero_cost to no_cost; change multiply_by_cost
10989         to multiply_by_const_cost.
10990         (get_computation_cost_at): Change add_cost to add_regs_cost; change
10991         multiply_by_cost to multiply_by_const_cost.
10992         (determine_use_iv_cost_generic): Change zero_cost to no_cost.
10993         (determine_iv_cost): Change add_cost to add_regs_cost.
10994         (iv_ca_new): Change zero_cost to no_cost.
10995         (tree_ssa_iv_optimize_finalize): Call finalize_costs.
10996         * tree-ssa-address.c (most_expensive_mult_to_index): Change
10997         multiply_by_cost to multiply_by_const_cost.
10998         * tree-flow.h (multiply_by_cost): Change to multiply_by_const_cost.
10999         (add_regs_cost): New decl.
11000         (multiply_regs_cost): Likewise.
11001         (add_const_cost): Likewise.
11002         (extend_or_trunc_reg_cost): Likewise.
11003         (negate_reg_cost): Likewise.
11005 2012-06-22  Richard Guenther  <rguenther@suse.de>
11007         Merge from graphite branch
11008         2011-08-10  Sebastian Pop <sebpop@gmail.com>
11010         * graphite-sese-to-poly.c (build_scop_drs): Fix memory leak.
11012         2012-01-13  Tobias Grosser  <tobias@grosser.es>
11014         * tree-flow.h (parallelized_function_p): Declare.
11015         * tree-parloops.c (parallelized_function_p): Export.
11016         * graphite.c (graphite_transform_loops): Do not run graphite on
11017         already parallel functions.
11019 2012-06-22  Alan Modra  <amodra@gmail.com>
11021         * config/rs6000/rs6000.c (rs6000_pre_atomic_barrier): Pass in and
11022         return mem.  Convert to indirect addressing if not indirect or
11023         indexed.  Adjust all callers.
11025 2012-06-22  Richard Guenther  <rguenther@suse.de>
11027         * gcov-iov.c: Include bconfig.h and system.h.
11029 2012-06-22  Andreas Schwab  <schwab@linux-m68k.org>
11031         * doc/include/texinfo.tex: Update to version 2012-06-05.14.
11033 2012-06-22  Richard Guenther  <rguenther@suse.de>
11035         PR gcov-profile/53744
11036         * gcov-iov.c (main): Treat "" and "prerelease" the same.
11038 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
11040         PR debug/53704
11041         * dwarf2out.c (gen_compile_unit_die): Use DW_LANG_Fortran90 as language
11042         for GNU Fortran if in strict DWARF2 mode.
11044 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
11046         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
11047         DECL_IGNORED_P non-reg vars even if they are used.
11049 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
11051         PR debug/53671
11052         PR debug/49888
11053         * var-tracking.c (vt_get_canonicalize_base): New.
11054         (vt_canonicalize_addr, vt_stack_offset_p): New.
11055         (vt_canon_true_dep): New.
11056         (drop_overlapping_mem_locs): Use vt_canon_true_dep.
11057         (clobber_overlaping_mems): Use vt_canonicalize_addr.
11059 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
11061         PR debug/53671
11062         PR debug/49888
11063         * var-tracking.c (vt_initialize): Record initial offset between
11064         arg pointer and stack pointer.
11066 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
11068         PR debug/53671
11069         PR debug/49888
11070         * var-tracking.c (vt_init_cfa_base): Drop redundant recording of
11071         CFA base.
11073 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
11075         PR debug/53671
11076         PR debug/49888
11077         * alias.c (memrefs_conflict_p): Improve handling of AND for alignment.
11079 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
11081         * ddg.c (build_intra_loop_deps): Discard deps of nondebug on debug.
11083 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
11085         PR debug/53682
11086         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
11088 2012-06-21  Meador Inge  <meadori@codesourcery.com>
11090         PR c/53702
11091         * c-decl.c (c_push_function_context): Restore the behavior to reuse
11092         the language function allocated for -Wunused-local-typedefs.
11093         (c_pop_function_context): If necessary, clear the language function
11094         created in c_push_function_context.  Always clear out the
11095         x_cur_stmt_list field of the restored language function.
11097 2012-06-21  Sterling Augustine  <saugustine@google.com>
11098             Cary Coutant  <ccoutant@google.com>
11100         * dwarf2out.c (is_cu_die, is_namespace_die, is_class_die,
11101         add_AT_pubnames, add_enumerator_pubname, want_pubnames): New functions.
11102         (comdat_type_struct): New field 'skeleton_die'.
11103         (breakout_comdat_types): Update it.
11104         (add_pubname): Rework logic.  Call is_class_die, is_cu_die and
11105         is_namespace_die.  Fix minor style violation.  Call want_pubnames.
11106         (add_pubname_string): Call want_pubnames.
11107         (add_pubtype): Rework logic for calculating type name.  Call
11108         is_namespace_die.  Call want_pubnames.
11109         (output_pubnames): Move conditional logic deciding when to produce the
11110         section from dwarf2out_finish.  Use new skeleton_die field.
11111         (base_type_die): Call add_pubtype.
11112         (gen_enumeration_type_die): Unconditionally call add_pubtype.
11113         (gen_subprogram_die): Adjust calls to add_pubname.
11114         (gen_namespace_die): Call add_pubname_string.
11115         (dwarf2out_finish): Call add_AT_pubnames; Move logic on when to
11116         produce pubnames and pubtypes sections to output_pubnames.
11117         * common.opt (-gpubnames): New option.
11118         * doc/invoke.texi: Document it.
11120 2012-06-21  Steven Bosscher  <steven@gcc.gnu.org>
11122         * config/m32c/m32c-pragma.c: Remove unnecessary includes.
11124 2012-06-21  Michael Matz  <matz@suse.de>
11126         PR middle-end/53688
11127         * builtins.c (get_memory_rtx): Always build an all-aliasing MEM_REF
11128         with correct size.
11130 2012-06-21  Richard Guenther  <rguenther@suse.de>
11132         * tree-inline.c (estimate_num_insns): Estimate call cost for
11133         tailcalls properly.
11135 2012-06-20  Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
11137         * tree.h (DECL_SOURCE_COLUMN): New accessor.
11139 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
11141         * config/i386/i386.md (SINCOS): New int iterator.
11142         (sincos): New int attribute.
11143         (*<sincos>xf2_i387): Macroize insn from *{sin,cos}xf2_i387 using
11144         SINCOS int iterator.
11145         (*<sincos>_extend<mode>xf2_i387): Macroize insn from
11146         *{sin,cos}_extend<mode>xf2_i387 using SINCOS int iterator.
11148 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
11150         * config/i386/i386.md (RDFSGSBASE): New int iterator.
11151         (WRFSGSBASE): Ditto.
11152         (fsgs): New int attribute.
11153         (rd<fsgs>base<mode>): Macroize insn from rd<fsgs>base<mode> using
11154         RDFSGSBASE int iterator.
11155         (wr<fsgs>base<mode>): Macroize insn from wr<fsgs>base<mode> using
11156         WRFSGSBASE int iterator.
11158 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
11160         * config/i386/i386.md (<rounding_insn><mode>2): Macroize expander
11161         from {floor,ceil,btrunc}<mode>2 using FIST_ROUNDING int iterator.
11162         (l<rounding_insn><MODEF:mode><SWI48:mode>2): Macroize expander
11163         from l{floor,ceil}<MODEF:mode><SWI48:mode>2 using FIST_ROUNDING
11164         int iterator.
11166 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
11168         * system.h: Poison ASM_OUTPUT_IDENT and IDENT_ASM_OP.
11170 2012-06-20  Richard Guenther  <rguenther@suse.de>
11172         PR tree-optimization/30318
11173         * tree-vrp.c (range_int_cst_p): Do not reject overflowed
11174         constants here.
11175         (range_int_cst_singleton_p): But explicitely here.
11176         (zero_nonzero_bits_from_vr): And here.
11177         (extract_range_from_binary_expr_1): Re-implement PLUS_EXPR
11178         to cover all cases we can perform arbitrary precision
11179         arithmetic with double-ints.
11180         (intersect_ranges): Handle adjacent anti-ranges.
11182 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
11184         * config/i386/i386.md (rounding_insn): New int attribute.
11185         (<rounding_insn>xf2): Macroize insn from
11186         {floor,ceil,btrunc}xf2 using FRNDINT_ROUNDING int iterator.
11187         (l<rounding_insn>xf<mode>2): Rename from l<rounding>xf<mode>2.
11189 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
11191         * config/i386/i386.md (IEEE_MAXMIN): New int iterator.
11192         (ieee_maxmin): New int attribute.
11193         (*ieee_s<ieee_maxmin><mode>3): Macroize insn from
11194         *ieee_s{max,min}<mode>3 using IEEE_MAXMIN int iterator.
11196 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
11198         * config/arm/arm.h (EMIT_EABI_ATTRIBUTE): Remove.
11199         * config/arm/arm.c: Do not include c-pragma.h.
11200         (arm_emit_eabi_attribute): New function based on EMIT_EABI_ATTRIBUTE.
11201         (arm_file_start): Replace uses of EMIT_EABI_ATTRIBUTE with calls
11202         to arm_emit_eabi_attribute.
11203         * arm-c.c: Do not include output.h.
11204         (arm_output_c_attributes): Replace use of EMIT_EABI_ATTRIBUTE with a
11205         call to arm_emit_eabi_attribute.
11206         * config/arm/arm-protos.h (arm_emit_eabi_attribute): Prototype it.
11208 2012-06-20  Richard Guenther  <rguenther@suse.de>
11210         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p):
11211         Allow adjusting alignment of user-aligned decls again.
11213 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
11215         * config/rl78/rl78-c.c: Remove unnecessary includes.
11217 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
11219         * config/cris/cris.c: Include cgraph.h.
11220         (cris_option_override): Do not set non-existing flag_no_gcc_ident.
11222 2012-06-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
11224         * emit-rtl.c (need_atomic_barrier_p): New function.
11225         * emit-rtl.h (need_atomic_barrier_p): Declare it.
11226         * config/alpha/alpha.c (alpha_{pre,post}_atomic_barrier): Use it.
11227         * config/arm/arm.c (arm_{pre,post}_atomic_barrier): Use it.
11228         * config/tilegx/tilegx.c (tile_{pre,post}_atomic_barrier): Use it.
11229         * config/mips/mips.c (mips_{pre,post}_atomic_barrier_p): Remove.
11230         (mips_process_sync_loop): Use generic version instead.
11232 2012-06-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
11234         * config/mips/mips.c (mips_process_sync_loop): Emit cmp result only if
11235         it is used.
11237 2012-06-19  Tom de Vries  <vries@codesourcery.com>
11238             Maxim Kuvyrkov  <maxim@codesourcery.com>
11240         * config/mips/constraints.md (ZR): New constraint.
11241         * config/mips/predicates.md (mem_noofs_operand): New predicate.
11242         * config/mips/mips.c (mips_print_operand): Handle new print modifier.
11243         * config/mips/mips.h (TARGET_XLP): Define.
11244         (TARGET_SYNC_AFTER_SC): Update.
11245         (ISA_HAS_SWAP, ISA_HAS_LDADD): Define.
11246         * config/mips/sync.md (atomic_exchange, atomic_fetch_add): Use
11247         XLP-specific swap and ldadd patterns.
11248         (atomic_exchange_swap, atomic_fetch_add_ldadd): New patterns.
11250 2012-06-19  Tom de Vries  <vries@codesourcery.com>
11251             Maxim Kuvyrkov  <maxim@codesourcery.com>
11253         * config/mips/mips.c (mips_emit_pre_atomic_barrier_p,)
11254         (mips_emit_post_atomic_barrier_p): New static functions.
11255         (mips_process_sync_loop): Use them.  Emit sync memory barriers in
11256         accordance with memory model semantics.  Add return of CMP result for
11257         compare_and_swap.
11258         * config/mips/mips.md: Update comment.
11259         (sync_cmp): New attribute.
11260         (sync_memmodel): New attribute replacing sync_release_barrier.
11261         * config/mips/sync.md (UNSPEC_ATOMIC_COMPARE_AND_SWAP,)
11262         (UNSPEC_ATOMIC_EXCHANGE, UNSPEC_ATOMIC_FETCH_OP): New constants.
11263         (sync_lock_test_and_set, test_and_set_12): Update.
11264         (atomic_compare_and_swap, atomic_exchange, atomic_exchange_llsc,)
11265         (atomic_fetch_add, atomic_fetch_add_llsc): New patterns.
11267 2012-06-19  Joseph Myers  <joseph@codesourcery.com>
11269         * config/rs6000/spe.md (*mov_si<mode>_e500_subreg0): Rename to
11270         mov_si<mode>_e500_subreg0.
11271         (*mov_si<mode>_e500_subreg0_elf_low)
11272         (*mov_si<mode>_e500_subreg4_elf_low): New patterns.
11274 2012-06-19  Richard Henderson  <rth@redhat.com>
11276         * config/alpha/alpha.c: Include params.h.
11277         (alpha_option_override): Initialize PARAM_L1_CACHE_LINE_SIZE,
11278         PARAM_L1_CACHE_SIZE, PARAM_L2_CACHE_SIZE for the cpu tuning.
11280 2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>
11282         * doc/tm.texi.in (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE,
11283         TARGET_OBJC_DECLARE_CLASS_DEFINITION): Add @hooks.
11284         (ASM_DECLARE_CLASS_REFERENCE, ASM_DECLARE_UNRESOLVED_REFERENCE):
11285         Remove.
11286         * doc/tm.texi: Regenerate.
11287         * config/darwin.h (ASM_OUTPUT_LABELREF): Remove special case for
11288         .objc_class_name_*.
11289         * config/darwin-c.c: Include target.h.
11290         (darwin_objc_declare_unresolved_class_reference): New function.
11291         (darwin_objc_declare_class_definition): New function.
11292         (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE): Define.
11293         (TARGET_OBJC_DECLARE_CLASS_DEFINITION): Define.
11295 2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>
11297         * target.def (output_ident): New hook.
11298         * targhooks.h (default_asm_output_ident_directive): Add prototype.
11299         * varasm.c (assemble_asm): Only prefix a tab if the string does not
11300         already start with one.
11301         (default_asm_output_ident_directive): New function to emit
11302         .ident as a top-level asm node while parsing, or directly to
11303         asm_out_file after parsing.
11304         * toplev.c (compile_file): Print a GCC .ident with
11305         targetm.asm_out.output_ident.
11306         * doc/tm.texi.in (ASM_OUTPUT_IDENT): Remove documentation for macro.
11307         (TARGET_ASM_OUTPUT_IDENT): Add @hook for this.
11308         * doc/tm.texi: Update.
11310         * config/elfos.h (ASM_OUTPUT_IDENT, IDENT_ASM_OP): Remove.
11311         (TARGET_ASM_OUTPUT_IDENT): Define.
11312         * config/i386/djgpp.h (IDENT_ASM_OP): Remove.
11313         * config/i386/gas.h (ASM_OUTPUT_IDENT): Remove.
11314         * config/arm/aout.h (ASM_OUTPUT_IDENT): Remove.
11315         * config/sparc/sparc.h (IDENT_ASM_OP): Remove.
11316         (TARGET_ASM_OUTPUT_IDENT): Define.
11317         * config/picochip/picochip.h (IDENT_ASM_OP): Remove.
11318         (TARGET_ASM_OUTPUT_IDENT): Define.
11320         * config/cris/cris-protos.h (cris_asm_output_ident): Add prototype.
11321         * config/cris/cris.c (cris_asm_output_ident): New function.
11322         * config/cris/cris.h (ASM_OUTPUT_IDENT, IDENT_ASM_OP): Remove.
11324         * config/microblaze/microblaze-protos.h (microblaze_asm_output_ident):
11325         Add prototype.
11326         * config/microblaze/microblaze.c: Include cgraph.h for add_asm_node.
11327         (microblaze_asm_output_ident): Rewrite to work similar to
11328         default_asm_output_ident_directive for front-end .idents.
11329         * config/microblaze/microblaze.h (ASM_OUTPUT_IDENT): Remove.
11330         (TARGET_ASM_OUTPUT_IDENT): Define.
11332         * config/mips/mips.h (ASM_OUTPUT_IDENT): Remove.
11333         * config/mips/sde.h (IDENT_ASM_OP, ASM_OUTPUT_IDENT): Remove.
11335         * config/rx/rx.c: Include cgraph.h for add_asm_node.
11336         (rx_asm_output_ident): New function, similar to
11337         default_asm_output_ident_directive, but handle AS100 syntax also, so
11338         that #ident also works for rx in AS100 syntax.
11339         (TARGET_ASM_OUTPUT_IDENT): Define.
11340         * config/rx/rx.h (IDENT_ASM_OP): Remove.
11342         * Makefile.in: Fix dependencies for c-family/c-lex.o.
11344 2012-06-19  Uros Bizjak  <ubizjak@gmail.com>
11346         * config/i386/i386.md (FIST_ROUNDING): New int iterator.
11347         (rounding): Handle UNSPEC_FIST_{FLOOR,CEIL}.
11348         (ROUNDING): Ditto.
11349         (*fist<mode>2_<rounding>_1): Macroize insn from
11350         *fist<mode>2_{floor,ceil}_1 using FIST_ROUNDING int iterator.
11351         (fistdi2_<rounding>): Macroize insn from
11352         fistdi2_{floor,ceil} using FIST_ROUNDING int iterator.
11353         (fistdi2_<rounding>_with_temp and splitters): Macroize insn and
11354         corresponding splitters from fistdi2_{floor,ceil} and corresponding
11355         splitters using FIST_ROUNDING int iterator.
11356         (fist<mode>2_<rounding>): Macroize insn from
11357         fist<mode>2_{floor,ceil} using FIST_ROUNDING int iterator.
11358         (fist<mode>2_<rounding>_with_temp and splitters): Macroize insn and
11359         corresponding splitters from fist<mode>2_{floor,ceil} and corresponding
11360         splitters using FIST_ROUNDING int iterator.
11361         (l<rounding>xf<mode>2): Macroize expander from l{floor,ceil}xf<mode>2
11362         using FIST_ROUNDING int iterator.
11364 2012-06-19  Richard Henderson  <rth@redhat.com>
11366         * config/i386/i386-protos.h (ix86_expand_sse2_mulv4si3): Declare.
11367         * config/i386/i386.c (ix86_expand_sse2_mulv4si3): New.
11368         * config/i386/predicates.md (nonimmediate_or_const_vector_operand): New.
11369         * config/i386/sse.md (sse2_mulv4si3): Delete.
11370         (mul<VI4_AVX2>3): Use ix86_expand_sse2_mulv4si3 and
11371         nonimmediate_or_const_vector_operand.
11373 2012-06-19  Richard Henderson  <rth@redhat.com>
11375         * expmed.c (struct init_expmed_rtl): Split ...
11376         (init_expmed_one_mode): ... out of ...
11377         (init_expmed): ... here.  Initialize integer vector modes also.
11378         (synth_mult): Handle integer vector modes.
11379         (choose_mult_variant): Likewise.
11380         (expand_mult_const): Likewise.
11381         (expand_mult): Likewise.
11382         * machmode.h (GET_MODE_UNIT_BITSIZE): New.
11384 2012-06-19  Richard Henderson  <rth@redhat.com>
11386         * config/i386/i386.c (ix86_rtx_costs): Handle CONST_VECTOR, and
11387         integral vector modes.
11389 2012-06-19  Uros Bizjak  <ubizjak@gmail.com>
11391         * config/i386/i386.md (FRNDINT_ROUNDING): New int iterator.
11392         (rounding): New int attribute.
11393         (ROUNDING): Ditto.
11394         (frndintxf2_<rounding>): Macroize insn from
11395         frndintxf2_{floor,ceil,trunc} using FRNDINT_ROUNDING int iterator.
11396         (frndintxf2_<rounding>_i387): Macroize insn from
11397         frndintxf2_{floor,ceil,trunc}_i387 using FRNDINT_ROUNDING int iterator.
11399 2012-06-19  Richard Guenther  <rguenther@suse.de>
11401         * tree-vrp.c (union_ranges): New function.
11402         (vrp_meet_1): Use union_ranges.
11403         (vrp_meet): Dump what we union and call vrp_meet_1.
11405 2012-06-19  Richard Earnshaw  <rearnsha@arm.com>
11407         * arm.md (enum unspec): Delete UNSPEC_SIN and UNSPEC_COS.
11408         (attr type): Remove fmul, ffmul, farith, ffarith, float_em
11409         f_fpa_load, f_fpa_store, f_mem_r, r_mem_f.
11410         (attr write_conflict, attr core_cycles): Update.
11411         * arm-generic.md (r_mem_f_wbuf): Delete reservation.
11413 2012-06-19  Richard Guenther  <rguenther@suse.de>
11415         * tree-vrp.c (intersect_ranges): Handle more cases.
11416         (vrp_intersect_ranges): Dump what we intersect and call ...
11417         (vrp_intersect_ranges_1): ... this.
11419 2012-06-19  Richard Guenther  <rguenther@suse.de>
11421         PR tree-optimization/53708
11422         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
11423         user-supplied alignment and alignment of decls with the used
11424         attribute.
11426 2012-06-18  Lawrence Crowl  <crowl@google.com>
11428         * timevar.def (TV_PHASE_GENERATE): Rename to TV_PHASE_LATE_ASM.
11429         (TV_PHASE_CGRAPH): Rename to TV_PHASE_OPT_GEN.
11430         (TV_PHASE_STREAM_IN): New.
11431         (TV_PHASE_STREAM_OUT): New.
11432         * timevar.c (validate_phases): New.
11433         (timevar_print): Call validate_phases.
11434         * c-decl.c (c_write_global_declarations): Rename use of TV_PHASE_CGRAPH
11435         to TV_PHASE_OPT_GEN.
11436         * langhooks.c (write_global_declarations): Rename use of
11437         TV_PHASE_CGRAPH to TV_PHASE_OPT_GEN.  Use TV_PHASE_DBGINFO instead of
11438         TV_PHASE_CHECK_DBGINFO.
11439         * toplev.c (compile_file): Rename use of TV_PHASE_GENERATE to
11440         TV_PHASE_LATE_ASM.  Move start of TV_PHASE_LATE_ASM to after call to
11441         lang_hooks.decls.final_write_globals.
11443 2012-06-18  David Edelshn  <dje.gcc@gmail.com>
11445         * config/rs6000/aix52.h (TARGET_EXTRA_BUILTINS): Define as 0.
11447 2012-06-18  Uros Bizjak  <ubizjak@gmail.com>
11449         PR target/53712
11450         * config/i386/sse.md (*sse4_2_pcmpestr_unaligned): New.
11451         (*sse4_2_pcmpistr_unaligned): New.
11453 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
11454             Sameera Deshpande  <sameera.deshpande@arm.com>
11455             Greta Yorsh  <greta.yorsh@arm.com>
11457         * config/arm/arm-protos.h (arm_output_epilogue): Remove.
11458         * config/arm/arm.c (print_multi_reg): Remove.
11459         (vfp_output_fldmd): Likewise.
11460         (arm_output_epilogue): Likewise.
11461         * config/arm/arm.md (epilogue_insns): Update condition and code.
11463 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
11464             Sameera Deshpande  <sameera.deshpande@arm.com>
11465             Greta Yorsh  <greta.yorsh@arm.com>
11467         * config/arm/arm-protos.h (thumb2_expand_return): New declaration.
11468         * config/arm/arm.c (thumb2_expand_return): New function.
11469         * config/arm/arm.md (return): Update condition and code.
11471 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
11472             Sameera Deshpande  <sameera.deshpande@arm.com>
11473             Greta Yorsh  <greta.yorsh@arm.com>
11475         * config/arm/arm-protos.h (output_return_instruction): New parameter
11476         and int to bool change of parameter types.
11477         * config/arm/arm.c (output_return_instruction): Likewise.
11478         * config/arm/arm.md (arm_simple_return): New pattern.
11479         (arm_return, cond_return, cond_return_inverted): Add new arguments.
11480         * config/arm/thumb2.md (thumb2_return): Update condition and code.
11482 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
11483             Sameera Deshpande  <sameera.deshpande@arm.com>
11484             Greta Yorsh  <greta.yorsh@arm.com>
11486         * config/arm/arm-protos.h (arm_expand_epilogue): New declaration.
11487         * config/arm/arm.c (arm_expand_epilogue): New function.
11488         * config/arm/arm.md (epilogue): Update condition and code.
11489         (sibcall_epilogue): Likewise.
11491 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
11492             Sameera Deshpande  <sameera.deshpande@arm.com>
11493             Greta Yorsh  <greta.yorsh@arm.com>
11495         * config/arm/arm.c (arm_expand_epilogue_apcs_frame): New function.
11496         * config/arm/arm.md (arm_addsi3) Add an alternative.
11498 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
11499             Sameera Deshpande  <sameera.deshpande@arm.com>
11500             Greta Yorsh  <greta.yorsh@arm.com>
11502         * config/arm/arm.md (vfp_pop_multiple_with_writeback) New define_insn.
11503         * config/arm/predicates.md (pop_multiple_fp) New special predicate.
11504         * config/arm/arm.c (arm_emit_vfp_multi_reg_pop): New function.
11506 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
11507             Sameera Deshpande  <sameera.deshpande@arm.com>
11508             Greta Yorsh  <greta.yorsh@arm.com>
11510         * config/arm/arm.md (load_multiple_with_writeback) New define_insn.
11511         (load_multiple, pop_multiple_with_writeback_and_return) Likewise.
11512         (pop_multiple_with_return, ldr_with_return) Likewise.
11513         * config/arm/predicates.md (pop_multiple_return) New special predicate.
11514         * config/arm/arm-protos.h (arm_output_multireg_pop) New declaration.
11515         * config/arm/arm.c (arm_output_multireg_pop) New function.
11516         (arm_emit_multi_reg_pop): New function.
11518 2012-06-18  Greta Yorsh  <Greta.Yorsh@arm.com>
11520         * config/arm/arm.c (ldm_stm_operation_p): Require SP
11521         as base register for loads if SP is in the register list.
11523 2012-06-18  Richard Guenther  <rguenther@suse.de>
11525         PR tree-optimization/53693
11526         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
11527         Reject operands with more than one use.
11529 2012-06-18  Bill Schmidt  <wschmidt@linux.ibm.com>
11531         PR tree-optimization/53703
11532         * tree-ssa-phiopt.c (hoist_adjacent_loads): Skip virtual phis;
11533         correctly set bb_for_def[12].
11535 2012-06-18  Steven Bosscher  <steven@gcc.gnu.org>
11537         * config/vax/vax.h (VMS_TARGET): Remove.
11539 2012-06-18  Richard Guenther  <rguenther@suse.de>
11541         * tree-vrp.c (extract_range_from_assert): Split out range
11542         intersecting code.
11543         (intersect_ranges): New function.
11544         (vrp_intersect_ranges): Likewise.
11546 2012-06-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11548         * config/s390/s390.c (s390_gimplify_va_arg): Revert change from
11549         r187965.
11551 2012-06-18  Tejas Belagod  <tejas.belagod@arm.com>
11553         * doc/md.texi: Document int iterators.
11554         * read-rtl.c (ints): New iterator group.
11555         (find_int): Int iterator group callback.
11556         (apply_int_iterator): Likewise.
11557         (apply_iterators): Traverse int iterator table and add all the used
11558         iterators to list.
11559         (initialize_iterators): Initialize data structures and callbacks for
11560         int iterators.
11561         (read_rtx): Parse and read mappings for int iterators.
11562         (read_rtx_code): Record int iterator usage.
11564 2012-06-18  Richard Sandiford  <rdsandiford@googlemail.com>
11566         PR middle-end/53698
11567         * expr.c (expand_expr_addr_expr_1): Convert to tmode before
11568         performing an addition.
11570 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
11572         * output.h (split_double): Move prototype to rtl.h.
11573         (constructor_static_from_elts_p): Move prototype to tree.c.
11574         * rtl.h (split_double): Moved here from output.h.
11575         * tree.h (constructor_static_from_elts_p): Moved here from output.h.
11576         * final.c (split_double): Move from here ...
11577         * rtlanal.c (split_double): ... to here.
11578         * expr.c: Do not include output.h.
11580 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
11582         * cfglayout.h: Remove.
11583         * cfglayout.c: Remove.
11584         * function.h (struct function): Remove x_last_location field.
11585         * function.c: Do not include cfglayout.h.
11586         (expand_function_start): Do not call no-op force_next_line_note.
11587         (expand_function_end): Likewise.
11588         * cfgrtl.c: Do not include cfglayout.h.  Include gt-cfgrtl.h.
11589         (unlink_insn_chain): Moved here from cfglayout.c.
11590         (skip_insns_after_block, label_for_bb, record_effective_endpoints,
11591         into_cfg_layout_mode, outof_cfg_layout_mode,
11592         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode,
11593         relink_block_chain, fixup_reorder_chain, verify_insn_chain,
11594         fixup_fallthru_exit_predecessor, force_one_exit_fallthru,
11595         cfg_layout_can_duplicate_bb_p, duplicate_insn_chain,
11596         cfg_layout_duplicate_bb, cfg_layout_initialize, break_superblocks,
11597         cfg_layout_finalize): Likewise.
11598         (rtl_can_remove_branch_p): Likewise.
11599         * rtl.h (insn_scope): Move prototype from cfglayout.h here.
11600         (duplicate_insn_chain): Likewise.
11601         (force_next_line_note): Remove prototype.
11602         * emit-rtl.c: Do not include tree-flow.h, egad.  Include vecprim.h.
11603         (last_location): Remove #define to emit.x_last_location.
11604         (force_next_line_note): Remove no-op function.
11605         (init_emit): Don't set x_last_location.
11606         (block_locators_locs, block_locators_blocks, locations_locators_locs,
11607         locations_locators_vals, prologue_locator, epilogue_locator,
11608         curr_location, last_location, curr_block, last_block, curr_rtl_loc):
11609         Move POD to here from cfglayout.c.
11610         (insn_locators_alloc, insn_locators_finalize, insn_locators_free,
11611         set_curr_insn_source_location, get_curr_insn_source_location,
11612         set_curr_insn_block, get_curr_insn_block, curr_insn_locator,
11613         locator_scope, insn_scope, locator_location, locator_line, insn_line,
11614         locator_file, insn_file, locator_eq): Move to here from cfglayout.c.
11615         * cfghooks.h: Remove double-include protection.
11616         (can_copy_bbs_p, copy_bbs): Move prototypes from cfglayout.h to here.
11617         * cfghooks.c (can_copy_bbs_p, copy_bbs): Move to here from cfglayout.c.
11618         * final.c: Do not include cfglayout.h.
11619         (choose_inner_scope, change_scope): Move to here from cfglayout.c.
11620         (reemit_insn_block_notes): Likewise.  Make static.
11621         * tree-flow.h (tree_could_trap_p, operation_could_trap_helper_p,
11622         operation_could_trap_p, tree_could_throw_p): Move from here...
11623         * tree.h: ... to here.
11624         * gengtype.c (open_base_files): Remove cfglayout.h from the list.
11625         * profile.c: Do not include cfghooks.h.
11626         * cfgloopmanip.c: Do not include cfglayout.h and cfghooks.h.
11627         * modulo-sched.c: Likewise.
11628         * loop-unswitch.c: Do not include cfglayout.h.
11629         * sched-ebb.c: Likewise.
11630         * tracer.c: Likewise.
11631         * ddg.c: Likewise.
11632         * tree-vect-loop-manip.c: Likewise.
11633         * loop-init.c: Likewise.
11634         * dwarf2out.c: Likewise.
11635         * hw-doloop.c: Likewise.
11636         * loop-unroll.c: Likewise.
11637         * cfgcleanup.c: Likewise.
11638         * bb-reorder.c: Likewise.
11639         * sched-rgn.c: Likewise.
11640         * tree-cfg.c: Likewise.
11641         * config/alpha/alpha.c: Likewise.
11642         * config/spu/spu.c: Likewise.
11643         * config/sparc/sparc.c: Likewise.
11644         * config/sh/sh.c: Likewise.
11645         * config/c6x/c6x.c: Likewise.
11646         * config/ia64/ia64.c: Likewise.
11647         * config/rs6000/rs6000.c: Likewise.
11648         * config/score/score.c: Likewise.
11649         * config/mips/mips.c: Likewise.
11650         * config/bfin/bfin.c: Likewise.
11651         * Makefile.in (CFGAYOUT_H): Remove, and fixup users.
11652         * config/rs6000/t-rs6000 (rs6000.o): Do not depend on cfglayout.h.
11653         * config/spu/t-spu-elf (spu.o: $): Likewise.
11654         * config/sparc/t-sparc (sparc.o): Do not depend on CFGLAYOUT_H.
11656 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
11658         * cfgloop.h: Do not include rtl.h.
11659         (enum iv_extend_code): New.
11660         (struct rtx_iv): Use iv_extend_code instead of rtx_code.
11661         * Makefile.in (CFGLOOP_H): Do not depend on RTL_H.
11662         * loop-iv.c (iv_extend_to_rtx_code): New function to translate
11663         an IV_EXTEND_CODE to an RTX_CODE.
11664         (dump_iv_info): Update for rtx_iv field type change.
11665         (iv_constant): Likewise.
11666         (iv_subreg): Likewise.
11667         (iv_extend): Likewise.
11668         (iv_neg): Likewise.
11669         (iv_add): Likewise.
11670         (iv_mult): Likewise.
11671         (iv_shift): Likewise.
11672         (get_biv_step_1): Likewise.
11673         (get_biv_step): Likewise.
11674         (iv_analyze_biv): Likewise.
11675         (get_iv_value): Likewise.
11676         (shorten_into_mode): Likewise.
11677         (canonicalize_iv_subregs): Likewise.
11678         * sese.c (sese_build_liveouts): Use MAY_HAVE_DEBUG_STMTS instead
11679         of MAY_HAVE_DEBUG_INSNS.
11680         * tree-ssa-loop-ivopts.c: Include recog.h after expr.h.
11681         * tree-ssa-loop-prefetch.c: Likewise.
11683 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
11685         * expmed.c (ceil_log2): Move from here...
11686         * hwint.c: ... to here for older GCCs...
11687         * hwint.h: ... and here for newer GCCs.
11688         * rtl.h (ceil_log2): Remove prototype.
11690         * tree-phinodes.c: Do not include rtl.h.
11691         * Makefile.in (tree-phinodes.o): Do not depend on RTL_H.
11693 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
11695         * config/cris/cris.h (TARGET_ELF): Remove.
11696         (FORCE_EH_FRAME_INFO_IN_DATA_SECTION): Remove.
11697         (CRIS_ASM_OUTPUT_ALIGNED_DECL_COMMON): Simpify using TARGET_ELF==1.
11698         (LOCAL_LABEL_PREFIX): Likewise.
11699         * config/cris/cris.c (cris_target_asm_named_section): Remove.
11700         (cris_option_override): Simpify using TARGET_ELF==1.
11701         (cris_file_start): Likewise.
11702         * config/cris/cris-protos.h (cris_target_asm_named_section): Remove.
11704 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
11706         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
11708 2012-06-16  Eric Botcazou  <ebotcazou@adacore.com>
11710         PR middle-end/53590
11711         * tree-inline.c (initialize_cfun): Copy can_delete_dead_exceptions.
11713 2012-06-15  Easwaran Raman  <eraman@google.com>
11715         * passes.c (init_optimization_passes): Remove pass_call_cdce
11716         from its current position and insert after pass_dce.
11718 2012-06-15  Walter Lee  <walt@tilera.com>
11720         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
11722 2012-06-15  Richard Earnshaw  <rearnsha@arm.com>
11724         * arm.c (note_invalid_constants): Don't return a result.
11725         (arm_memory_load_p): Delete function.
11726         (arm_const_double_rtx): Delete iterator variable i;
11727         (fp_immediate_constant): Likewise.
11728         (fp_const_from_val): Likewise.
11730         * arm.c (arm_init_iwmmxt_builtins): Delete void_ftype_void.
11732 2012-06-15  Marc Glisse  <marc.glisse@inria.fr>
11734         PR c++/51033
11735         * c-typeck.c (c_build_vec_perm_expr): Move to c-family/c-common.c.
11736         * c-tree.h (c_build_vec_perm_expr): Move to c-family/c-common.h.
11738 2012-06-15  Georg-Johann Lay  <avr@gjlay.de>
11740         * config/avr/avr.c (avr_default_expand_builtin): New function.
11741         (avr_expand_builtin): Use it.
11742         (avr_expand_unop_builtin): Remove.
11743         (avr_expand_binop_builtin): Remove.
11744         (avr_expand_triop_builtin): Remove.
11746 2012-06-15  Michael Matz  <matz@suse.de>
11748         PR middle-end/38474
11749         * cfgexpand.c (add_alias_set_conflicts): Remove.
11750         (expand_used_vars): Don't call it.
11751         (aggregate_contains_union_type): Remove.
11752         * function.c (n_temp_slots_in_use): New static data.
11753         (make_slot_available, assign_stack_temp_for_type): Update it.
11754         (init_temp_slots): Zero it.
11755         (remove_unused_temp_slot_addresses): Use it for quicker removal.
11756         (remove_unused_temp_slot_addresses_1): Use htab_clear_slot.
11758 2012-06-15  Michael Matz  <matz@suse.de>
11760         * gimplify.c (gimplify_compound_literal_expr): Take gimple_test_f
11761         argument, don't emit assign statement if value is directly usable.
11762         (gimplify_expr): Adjust.
11764 2012-06-15  Michael Matz  <matz@suse.de>
11766         * gimplify.c (gimplify_modify_expr): Fold generated statements.
11767         * gimple-fold.c (can_refer_decl_in_current_unit_p): Check flag_ltrans.
11769 2012-06-15  Richard Guenther  <rguenther@suse.de>
11771         * tree-vrp.c (set_and_canonicalize_value_range): Use canonical
11772         predicates to set VR_UNDEFINED and VR_VARYING.  Drop a case
11773         we assert for in set_value_range to VR_VARYING.
11775 2012-06-15  Richard Earnshaw  <rearnsha@arm.com>
11777         * arm.md (addsf3, adddf3): Use s_register_operand.
11778         (subsf3, subdf3): Likewise.
11779         (mulsf3, muldf3): Likewise.
11780         (difsf3, divdf3): Likewise.
11781         (movsfcc, movdfcc): Likewise.
11782         * predicates.md (f_register_operand): Delete.
11783         (arm_float_rhs_operand): Delete.
11784         (arm_float_add_operand): Delete.
11785         (arm_float_compare_operand): Use s_register_operand when
11786         there's no VFP.
11787         (cirrus_register_operand): Delete.
11788         (cirrus_fp_register): Delete.
11789         (cirrus_shift_const): Delete.
11790         (cmpdi_operand): Remove Maverick support.
11791         * constraints.md (f, v, H): Delete constraints.
11792         (G): Update documentation.
11793         * arm.c (fp_consts_inited): Convert to bool.
11794         (strings_fp): Delete.
11795         (values_fp): Delete.
11796         (value_fp0): New variable.
11797         (init_fp_table): Simplify logic.
11798         (arm_const_double_rtx): Likewise.
11799         (fp_immediate_constant): Likewise.
11800         (fp_const_from_val): Likewise.
11801         (neg_const_double_rtx_ok_for_fpa): Delete.
11802         * doc/md.texi (ARM constraints): Update documentation.
11804 2012-06-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
11806         PR tree-optimization/53636
11807         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Verify
11808         stride when doing basic-block vectorization.
11810 2012-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
11812         * tree-vect-generic.c (lower_vec_perm): Propagate vector constants
11813         into VEC_PERM_EXPR.
11815 2012-06-15  Jakub Jelinek  <jakub@redhat.com>
11817         * tree-vect-patterns.c (vect_pattern_recog): Don't unnecessarily
11818         allocate and free bbs array for the SLP case.
11820         PR tree-optimization/51581
11821         * expr.h (choose_multiplier): New prototype.
11822         * expmed.c (choose_multiplier): No longer static.
11823         Change multiplier_ptr from rtx * to UHWI *.
11824         (expand_divmod): Adjust callers.
11825         * tree-vect-patterns.c (vect_recog_sdivmod_pow2_pattern): Renamed to...
11826         (vect_recog_divmod_pattern): ... this.  Pass bb_vinfo as last
11827         argument to new_stmt_vec_info.  Attempt to optimize also divisions
11828         by non-pow2 constants if integer vector division isn't supported.
11829         * tree-vect-stmts.c (vect_analyze_stmt): If node != NULL,
11830         don't look at pattern stmts and sequences.
11832 2012-06-15  Eric Botcazou  <ebotcazou@adacore.com>
11834         PR middle-end/53590
11835         * common.opt (-fdelete-dead-exceptions): New switch.
11836         * doc/invoke.texi (Code Gen Options): Document it.
11837         * cse.c (count_reg_usage) <CALL_INSN>: Use !insn_nothrow_p in lieu of
11838         insn_could_throw_p predicate.  Do not skip an insn that could throw
11839         if dead exceptions can be deleted.
11840         (insn_live_p): Likewise, do not return true in that case.
11841         * dce.c (can_alter_cfg): New flag.
11842         (deletable_insn_p): Do not return false for an insn that can throw if
11843         the CFG can be altered and dead exceptions can be deleted.
11844         (init_dce): Set can_alter_cfg to false for fast DCE, true otherwise.
11845         * dse.c (scan_insn): Use !insn_nothrow_p in lieu of insn_could_throw_
11846         predicate. Do not preserve an insn that could throw if dead exceptions
11847         can be deleted.
11848         * function.h (struct function): Add can_delete_dead_exceptions flag.
11849         * function.c (allocate_struct_function): Set it.
11850         * lto-streamer-in.c (input_struct_function_base): Stream it.
11851         * lto-streamer-out.c (input_struct_function_base): Likewise.
11852         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Do not mark a
11853         statement that could throw as necessary if dead exceptions can be
11854         deleted.
11856 2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
11858         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
11860 2012-06-14  Oleg Endo  <olegendo@gcc.gnu.org>
11862         PR target/53568
11863         * config/sh/sh.md: Add peephole for swapbsi2.
11864         (*swapbisi2_and_shl8, *swapbhisi2): New insns and splits.
11866 2012-06-14  Uros Bizjak  <ubizjak@gmail.com>
11868         * config/i386/i386.md (*zero_extendsidi2): Remove x,x alternative.
11869         (*zero_extendsidi2_rex64): Ditto.  Remove isa attribute.
11871 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
11873         PR target/53639
11874         * config/i386/i386.md (*anddi_1 into *andsi_1_zext splitter): New.
11876 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
11878         * arm.c (arm_cirrus_insn_p): Delete.
11879         (cirrus_reorg): Delete.
11880         (arm_reorg): Don't call cirrus_reorg.
11881         (arm_final_prescan_insn_p): Don't check for cirrus insns.
11882         * arm.md (define_attr "type"): Remove mav_farith and mav_dmult.
11883         (adddi3, subdi3): Remove Maverick support.
11884         (arm_adddi3): Likewise.
11885         (adddi_sesidi_di, adddi_zesidi_di): Likewise.
11886         (addsf3, adddf3): Likewise.
11887         (subsf3, subdf3): Likewise.
11888         (mulsf3, muldf3): Likewise.
11889         (ashldi3, ashrdi3, lshrdi3): Likewise.
11890         (floatsisf2, floatsidf2): Likewise.
11891         (fix_truncsfsi2, fix_truncdfsi2): Likewise.
11892         (arm_movdi, thumb1_movdi_insn): Likewise.
11893         (arm_cmpdi_insn): Likewise.
11894         (cirrus_cmpsf, cirrus_cmpdf, cirrus_cmpdi): Likewise.
11895         (cirrus.md): Don't include.
11896         * cirrus.md: Delete file.
11897         * t-arm (MD_INCLUDES): Remove cirrus.md.
11899 2012-06-14  Eric Botcazou  <ebotcazou@adacore.com>
11901         * dwarf2out.c (function_possibly_abstracted_p): New static function.
11902         (gen_subprogram_die): Use it function_possibly_abstracted_p in lieu of
11903         cgraph_function_possibly_inlined_p.
11904         (gen_inlined_subroutine_die): Return if the origin is to be ignored.
11905         (process_scope_var): Do not emit concrete instances of abstracted
11906         nested functions from here.
11907         (gen_decl_die): Emit the abstract instance if the function is possibly
11908         abstracted and not only possibly inlined.
11909         (dwarf2out_finish): Find the first non-abstract parent instance and
11910         attach concrete instances on the limbo list to it.
11912 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
11914         * arm.md (divsf3, divdf3): Remove FPA support.
11915         (negsf2, negdf2): Likewise.
11916         (sqrtsf2, sqrtdf2): Likewise.
11917         (movdfcc): Likewise.
11918         (modsf3, moddf3, movxf): Delete.
11919         (push_fp_multi): Delete.
11920         (fpa.md): Don't include it.
11921         * fpa.md: Delete file.
11922         * t-arm (MD_INCLUDES): Remove fpa.md.
11924 2012-06-14  Bill Schmidt  <wschmidt@linux.ibm.com>
11926         * tree-vectorizer.h (vect_get_stmt_cost): Move from tree-vect-stmts.c.
11927         (cost_for_stmt): Remove decl.
11928         (vect_get_single_scalar_iteration_cost): Correct typo in name.
11929         * tree-vect-loop.c (vect_get_cost): Remove.
11930         (vect_get_single_scalar_iteration_cost): Correct typo in name; use
11931         vect_get_stmt_cost rather than vect_get_cost.
11932         (vect_get_known_peeling_cost): Use vect_get_stmt_cost rather than
11933         vect_get_cost.
11934         (vect_estimate_min_profitable_iters): Correct typo in call to
11935         vect_get_single_scalar_iteration_cost; use vect_get_stmt_cost rather
11936         than vect_get_cost.
11937         (vect_model_reduction_cost): Use vect_get_stmt_cost rather than
11938         vect_get_cost.
11939         (vect_model_induction_cost): Likewise.
11940         * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Correct
11941         typo in call to vect_get_single_scalar_iteration_cost.
11942         * tree-vect-stmts.c (vect_get_stmt_cost): Move to tree-vectorizer.h.
11943         (cost_for_stmt): Remove unnecessary function.
11944         * Makefile.in (TREE_VECTORIZER_H): Update dependencies.
11946 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
11948         * arm.opt (mfp=2, mfp=3, mfpe, mfpe=2, mfpe=3): Delete options.
11949         * arm-fpus.def (fpa, fpe2, fpe3, maverick): Delete FPU types.
11950         * arm-tables.opt: Regenerated.
11951         * doc/invoke.texi: Remove references to deleted options.
11953 2012-06-14  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
11955         * config/h8300/genmova.sh: Modified to add offset bits of
11956         mova/Sz assembly instruction for memory access.
11957         * config/h8300/h8300.c: Likewise.
11958         * config/h8300/mova.md: Likewise.
11960 2012-06-12  Christian Bruel  <christian.bruel@st.com>
11962         PR target/53621
11963         * config/sh/sh.c (sh_option_override): Don't force
11964          flag_omit_frame_pointer and maccumulate_outgoing_args.
11965         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
11967 2012-06-14  Richard Guenther  <rguenther@suse.de>
11969         * tree-vrp.c (VR_INITIALIZER): New define.
11970         (ranges_from_anti_range): New function.
11971         (extract_range_from_binary_expr_1): Decompose operations on
11972         VR_ANTI_RANGEs to operations on VR_RANGE.
11973         (extract_range_from_unary_expr_1): Likewise.
11974         (extract_range_from_binary_expr_1, extract_range_from_binary_expr,
11975         extract_range_from_unary_expr_1, extract_range_from_unary_expr,
11976         extract_range_from_cond_expr, adjust_range_with_scev,
11977         vrp_visit_assignment_or_call, vrp_visit_phi_node,
11978         simplify_bit_ops_using_ranges): Use VR_INITIALIZER.
11980 2012-06-13  Richard Henderson  <rth@redhat.com>
11982         * hwint.h (HOST_WIDEST_INT_C): New.
11983         (HOST_WIDE_INT_C): New.
11984         (HOST_WIDE_INT_1): Use it.
11985         * config/alpha/alpha.c (alpha_trampoline_init): Use it.
11987 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
11989         PR debug/49888
11990         * var-tracking.c: Include alias.h.
11991         (overlapping_mems): New struct.
11992         (drop_overlapping_mem_locs): New.
11993         (clobber_overlapping_mems): New.
11994         (var_mem_delete_and_set, var_mem_delete): Call it.
11995         (val_bind): Likewise, but only if modified.
11996         (compute_bb_dataflow, emit_notes_in_bb): Call it on MEMs.
11997         * Makefile.in (var-tracking.o): Depend in $(ALIAS_H).
11999 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
12001         PR debug/47624
12002         * var-tracking.c (loc_exp_dep_pool): New.
12003         (vt_emit_notes): Create and release the pool.
12004         (compute_bb_dataflow): Use value-based locations in MO_VAL_SET.
12005         (emit_notes_in_bb): Likewise.
12006         (loc_exp_dep_insert): Deal with NOT_ONEPART vars.
12007         (notify_dependents_of_changed_value): Likewise.
12008         (notify_dependents_of_resolved_value): Check that NOT_ONEPART
12009         variables don't have a VAR_LOC_DEP_LST.
12010         (emit_note_insn_var_location): Expand NOT_ONEPART locs that are
12011         VALUEs or MEMs of VALUEs.
12013 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
12015         PR debug/52983
12016         PR debug/48866
12017         * dce.c (word_dce_process_block): Insert debug temps only if the
12018         insn is not marked.
12019         (dce_process_block): Likewise, and if debug.used is not empty,
12020         and only after iterating over all DEFs that might mark the insn.
12022 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
12024         * common.opt (ftree-coalesce-inlined-vars): New.
12025         (ftree-coalesce-vars): New.
12026         * doc/invoke.texi: Document them.
12027         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
12028         Implement them.
12030 2012-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
12032         * read-rtl.c (mapping): Remove index field.  Add current_value field.
12033         Define heap vectors.
12034         (iterator_group): Fix long line.  Remove num_builtins field and
12035         uses_iterator fields.  Make apply_iterator take a void * parameter.
12036         (iterator_use, atttribute_use): New structures.
12037         (iterator_traverse_data, BELLWETHER_CODE, bellwether_codes): Delete.
12038         (current_iterators, iterator_uses, attribute_uses): New variables.
12039         (uses_mode_iterator_p, uses_code_iterator_p): Delete.
12040         (apply_mode_iterator, apply_code_iterator): Take a void * parameter.
12041         (map_attr_string, apply_iterator_to_string): Remove iterator
12042         and value parameters.  Look through all current iterator values
12043         for a matching attribute.
12044         (mode_attr_index, apply_mode_maps): Delete.
12045         (apply_iterator_to_rtx): Replace with...
12046         (copy_rtx_for_iterators): ...this new function.
12047         (uses_iterator_p, apply_iterator_traverse): Delete.
12048         (apply_attribute_uses, add_current_iterators, apply_iterators): New
12049         functions.
12050         (add_mapping): Remove index field.  Set current_value field.
12051         (initialize_iterators): Don't set num_builtins and uses_iterator_p
12052         fields.
12053         (find_iterator): Delete.
12054         (record_iterator_use, record_attribute_use): New functions.
12055         (record_potential_iterator_use): New function.
12056         (check_code_iterator): Remove handling of bellwether codes.
12057         (read_rtx): Remove mode maps.  Truncate iterator and attribute uses.
12058         (read_rtx_code, read_nested_rtx, read_rtx_variadic): Remove mode_maps
12059         parameter.  Use the first code iterator value instead of the
12060         bellwether_codes array.  Use record_potential_iterator_use for modes.
12062 2012-06-13  Oleg Endo  <olegendo@gcc.gnu.org>
12064         PR target/53568
12065         * config/sh/sh.md (bswapsi2): New expander.
12066         (swapbsi2): New insn.
12068 2012-06-13  H.J. Lu  <hongjiu.lu@intel.com>
12070         PR target/53647
12071         * config/i386/i386.c (ix86_tune_cost): New variable.
12072         (ix86_option_override_internal): Set ix86_tune_cost.  Use
12073         ix86_tune_cost for simultaneous_prefetches, prefetch_block,
12074         l1_cache_size and l2_cache_size.
12076 2012-06-13  Richard Guenther  <rguenther@suse.de>
12078         * tree-vrp.c (vrp_meet): Properly meet equivalent ranges.
12079         Handle meeting two VR_RANGE to an VR_ANTI_RANGE.  Implement
12080         all possible meetings of VR_RANGE with VR_ANTI_RANGE and
12081         VR_ANTI_RANGE with VR_ANTI_RANGE.
12083 2012-06-13  Richard Earnshaw  <rearnsha@arm.com>
12085         * config.gcc (unsupported): Move obsoleted FPA-based configurations
12086         here from ...
12087         (obsolete): ... here.
12088         (arm*-*-freebsd*): Remove.
12089         (arm*-*-linux*): Only accept EABI variants.  Simplify logic.
12090         (arm*-*-uclinux*): Likewise.
12091         (arm*-*-ecos-elf): Remove.
12092         (arm*-*-rtems*): Remove.
12093         (arm*-*-elf): Remove.
12094         (arm*-wince-pe*): Remove.
12095         (arm, --with-fpu): Remove support for fpa and Maverick variants.
12096         * arm/ecos-elf.h: Delete.
12097         * arm/t-strongarm-elf: Delete.
12098         * arm/rtems-elf.h: Delete.
12099         * arm/wince-pe.h: Delete.
12100         * arm/pe.c: Delete.
12101         * arm/pe.h: Delete.
12102         * arm/t-wince-pe: Delete.
12104 2012-06-13  Bill Schmidt  <wschmidt@linux.ibm.com>
12106         PR tree-optimization/53647
12107         * tree-ssa-phiopt.c (gate_hoist_loads): Skip transformation for
12108         targets with no defined cache line size.
12110 2012-06-13  Bill Schmidt  <wschmidt@linux.ibm.com>
12112         * targhooks.c (default_builtin_vectorized_conversion): Handle
12113         vec_construct, using vectype to base cost on subparts.
12114         * target.h (enum vect_cost_for_stmt): Add vec_construct.
12115         * tree-vect-stmts.c (vect_model_load_cost): Use vec_construct
12116         instead of scalar_to-vec.
12117         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
12118         vec_construct in same way as default for now.
12119         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
12120         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
12121         Handle vec_construct, including special case for 32-bit loads.
12123 2012-06-13  Xinyu Qi <xyqi@marvell.com>
12125         * config/arm/arm.c (FL_IWMMXT2): New define.
12126         (arm_arch_iwmmxt2): New variable.
12127         (arm_option_override): Enable use of iWMMXt with VFP.
12128         Disable use of iWMMXt with NEON. Disable use of iWMMXt under
12129         Thumb mode. Set arm_arch_iwmmxt2.
12130         (arm_expand_binop_builtin): Accept VOIDmode op.
12131         (enum arm_builtins): Revise built-in fcode.
12132         (IWMMXT2_BUILTIN): New define.
12133         (IWMMXT2_BUILTIN2): Likewise.
12134         (iwmmx2_mbuiltin): Likewise.
12135         (builtin_description bdesc_2arg): Revise built in declaration.
12136         (builtin_description bdesc_1arg): Likewise.
12137         (arm_init_iwmmxt_builtins): Revise built in initialization.
12138         (arm_expand_builtin): Revise built in expansion.
12139         (arm_output_iwmmxt_shift_immediate): New function.
12140         (arm_output_iwmmxt_tinsr): Likewise.
12141         * config/arm/arm-protos.h (arm_output_iwmmxt_shift_immediate): Declare.
12142         (arm_output_iwmmxt_tinsr): Likewise.
12143         * config/arm/iwmmxt.md (WCGR0, WCGR1, WCGR2, WCGR3): New constant.
12144         (iwmmxt_psadbw, iwmmxt_walign, iwmmxt_tmrc, iwmmxt_tmcr): Delete.
12145         (rorv4hi3, rorv2si3, rordi3): Likewise.
12146         (rorv4hi3_di, rorv2si3_di, rordi3_di): Likewise.
12147         (ashrv4hi3_di, ashrv2si3_di, ashrdi3_di): Likewise.
12148         (lshrv4hi3_di, lshrv2si3_di, lshrdi3_di): Likewise.
12149         (ashlv4hi3_di, ashlv2si3_di, ashldi3_di): Likewise.
12150         (iwmmxt_tbcstqi, iwmmxt_tbcsthi, iwmmxt_tbcstsi): Likewise
12151         (*iwmmxt_clrv8qi, *iwmmxt_clrv4hi, *iwmmxt_clrv2si): Likewise.
12152         (tbcstv8qi, tbcstv4hi, tbsctv2si): New pattern.
12153         (iwmmxt_clrv8qi, iwmmxt_clrv4hi, iwmmxt_clrv2si): Likewise.
12154         (*and<mode>3_iwmmxt, *ior<mode>3_iwmmxt, *xor<mode>3_iwmmxt): Likewise.
12155         (ror<mode>3, ror<mode>3_di): Likewise.
12156         (ashr<mode>3_di, lshr<mode>3_di, ashl<mode>3_di): Likewise.
12157         (ashli<mode>3_iwmmxt, iwmmxt_waligni, iwmmxt_walignr): Likewise.
12158         (iwmmxt_walignr0, iwmmxt_walignr1): Likewise.
12159         (iwmmxt_walignr2, iwmmxt_walignr3): Likewise.
12160         (iwmmxt_setwcgr0, iwmmxt_setwcgr1): Likewise.
12161         (iwmmxt_setwcgr2, iwmmxt_setwcgr3): Likewise.
12162         (iwmmxt_getwcgr0, iwmmxt_getwcgr1): Likewise.
12163         (iwmmxt_getwcgr2, iwmmxt_getwcgr3): Likewise.
12164         (All instruction patterns): Add wtype attribute.
12165         (*iwmmxt_arm_movdi, *iwmmxt_movsi_insn): iWMMXt coexist with vfp.
12166         (iwmmxt_uavgrndv8qi3, iwmmxt_uavgrndv4hi3): Revise the pattern.
12167         (iwmmxt_uavgv8qi3, iwmmxt_uavgv4hi3): Likewise.
12168         (ashr<mode>3_iwmmxt, ashl<mode>3_iwmmxt, lshr<mode>3_iwmmxt): Likewise.
12169         (iwmmxt_tinsrb, iwmmxt_tinsrh, iwmmxt_tinsrw):Likewise.
12170         (eqv8qi3, eqv4hi3, eqv2si3, gtuv8qi3): Likewise.
12171         (gtuv4hi3, gtuv2si3, gtv8qi3, gtv4hi3, gtv2si3): Likewise.
12172         (iwmmxt_wunpckihh, iwmmxt_wunpckihw, iwmmxt_wunpckilh): Likewise.
12173         (iwmmxt_wunpckilw, iwmmxt_wunpckehub, iwmmxt_wunpckehuh): Likewise.
12174         (iwmmxt_wunpckehuw, iwmmxt_wunpckehsb, iwmmxt_wunpckehsh): Likewise.
12175         (iwmmxt_wunpckehsw, iwmmxt_wunpckelub, iwmmxt_wunpckeluh): Likewise.
12176         (iwmmxt_wunpckeluw, iwmmxt_wunpckelsb, iwmmxt_wunpckelsh): Likewise.
12177         (iwmmxt_wunpckelsw, iwmmxt_wmadds, iwmmxt_wmaddu): Likewise.
12178         (iwmmxt_wsadb, iwmmxt_wsadh, iwmmxt_wsadbz, iwmmxt_wsadhz): Likewise.
12179         (iwmmxt2.md): Include.
12180         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __IWMMXT2__.
12181         (TARGET_IWMMXT2): New define.
12182         (TARGET_REALLY_IWMMXT2): Likewise.
12183         (arm_arch_iwmmxt2): Declare.
12184         * config/arm/mmintrin.h: Use __IWMMXT__ to enable iWMMXt intrinsics.
12185         Use __IWMMXT2__ to enable iWMMXt2 intrinsics.
12186         Use C name-mangling for intrinsics.
12187         (__v8qi): Redefine.
12188         (_mm_cvtsi32_si64, _mm_andnot_si64, _mm_sad_pu8): Revise.
12189         (_mm_sad_pu16, _mm_align_si64, _mm_setwcx, _mm_getwcx): Likewise.
12190         (_m_from_int): Likewise.
12191         (_mm_sada_pu8, _mm_sada_pu16): New intrinsic.
12192         (_mm_alignr0_si64, _mm_alignr1_si64, _mm_alignr2_si64): Likewise.
12193         (_mm_alignr3_si64, _mm_tandcb, _mm_tandch, _mm_tandcw): Likewise.
12194         (_mm_textrcb, _mm_textrch, _mm_textrcw, _mm_torcb): Likewise.
12195         (_mm_torch, _mm_torcw, _mm_tbcst_pi8, _mm_tbcst_pi16): Likewise.
12196         (_mm_tbcst_pi32): Likewise.
12197         (_mm_abs_pi8, _mm_abs_pi16, _mm_abs_pi32): New iWMMXt2 intrinsic.
12198         (_mm_addsubhx_pi16, _mm_absdiff_pu8, _mm_absdiff_pu16): Likewise.
12199         (_mm_absdiff_pu32, _mm_addc_pu16, _mm_addc_pu32): Likewise.
12200         (_mm_avg4_pu8, _mm_avg4r_pu8, _mm_maddx_pi16, _mm_maddx_pu16): Likewise.
12201         (_mm_msub_pi16, _mm_msub_pu16, _mm_mulhi_pi32): Likewise.
12202         (_mm_mulhi_pu32, _mm_mulhir_pi16, _mm_mulhir_pi32): Likewise.
12203         (_mm_mulhir_pu16, _mm_mulhir_pu32, _mm_mullo_pi32): Likewise.
12204         (_mm_qmulm_pi16, _mm_qmulm_pi32, _mm_qmulmr_pi16): Likewise.
12205         (_mm_qmulmr_pi32, _mm_subaddhx_pi16, _mm_addbhusl_pu8): Likewise.
12206         (_mm_addbhusm_pu8, _mm_qmiabb_pi32, _mm_qmiabbn_pi32): Likewise.
12207         (_mm_qmiabt_pi32, _mm_qmiabtn_pi32, _mm_qmiatb_pi32): Likewise.
12208         (_mm_qmiatbn_pi32, _mm_qmiatt_pi32, _mm_qmiattn_pi32): Likewise.
12209         (_mm_wmiabb_si64, _mm_wmiabbn_si64, _mm_wmiabt_si64): Likewise.
12210         (_mm_wmiabtn_si64, _mm_wmiatb_si64, _mm_wmiatbn_si64): Likewise.
12211         (_mm_wmiatt_si64, _mm_wmiattn_si64, _mm_wmiawbb_si64): Likewise.
12212         (_mm_wmiawbbn_si64, _mm_wmiawbt_si64, _mm_wmiawbtn_si64): Likewise.
12213         (_mm_wmiawtb_si64, _mm_wmiawtbn_si64, _mm_wmiawtt_si64): Likewise.
12214         (_mm_wmiawttn_si64, _mm_merge_si64): Likewise.
12215         (_mm_torvscb, _mm_torvsch, _mm_torvscw): Likewise.
12216         (_m_to_int): New define.
12217         * config/arm/arm-cores.def (iwmmxt2): Add FL_IWMMXT2.
12218         * config/arm/arm-arches.def (iwmmxt2): Likewise.
12219         * config/arm/t-arm (MD_INCLUDES): Add marvell-f-iwmmxt.md and
12220         iwmmxt2.md.
12221         * config/arm/arm.md (marvell-f-iwmmxt.md): Include.
12222         (arch): Add "iwmmxt2".
12223         (arch_enabled): Handle "iwmmxt2".
12224         (wtype): New attribute.
12225         (UNSPEC_WMADDS, UNSPEC_WMADDU): Delete.
12226         (UNSPEC_WALIGNI): New unspec.
12227         * config/arm/predicates.md (imm_or_reg_operand): New predicate.
12228         * config/arm/iterators.md (VMMX2): New mode_iterator.
12229         * config/arm/marvell-f-iwmmxt.md: New file.
12230         * config/arm/iwmmxt2.md: New file.
12232 2012-06-12  Jakub Jelinek  <jakub@redhat.com>
12234         PR c/53532
12235         PR c/51034
12236         PR c/53196
12237         * c-decl.c (build_compound_literal): Call c_incomplete_type_error
12238         if type isn't complete.
12240 2012-06-12  Uros Bizjak  <ubizjak@gmail.com>
12242         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
12244 2012-06-12  Richard Henderson  <rth@redhat.com>
12246         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
12247         iterator instead of INT.
12249 2012-06-12  Bill Schmidt  <wschmidt@linux.ibm.com>
12251         * opts.c: Add -fhoist-adjacent-loads to -O2 and above.
12252         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Add argument to forward
12253         declaration.
12254         (hoist_adjacent_loads, gate_hoist_loads): New forward declarations.
12255         (tree_ssa_phiopt): Call gate_hoist_loads.
12256         (tree_ssa_cs_elim): Add parm to tree_ssa_phiopt_worker call.
12257         (tree_ssa_phiopt_worker): Add do_hoist_loads to formal arg list; call
12258         hoist_adjacent_loads.
12259         (local_mem_dependence): New function.
12260         (hoist_adjacent_loads): Likewise.
12261         (gate_hoist_loads): Likewise.
12262         * common.opt (fhoist-adjacent-loads): New switch.
12263         * Makefile.in (tree-ssa-phiopt.o): Added dependencies.
12265 2012-06-12  Michael Matz  <matz@suse.de>
12267         * alias.c (nonoverlapping_component_refs_p): Take two rtx arguments.
12268         (nonoverlapping_memrefs_p): Don't call it here ...
12269         (true_dependence_1): ... but here.
12271 2012-06-12  Richard Guenther  <rguenther@suse.de>
12273         * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove dead code.
12274         * alias.c (ao_ref_from_mem): MEM_EXPR is conservative, MEM_OFFSET
12275         and MEM_SIZE only refines it.  Reflect that and be less conservative
12276         if either of the latter is not known.
12278 2012-06-12  Jakub Jelinek  <jakub@redhat.com>
12280         PR rtl-optimization/53589
12281         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
12282         discovery even when e->dest != target.  If any LABEL_REF points
12283         to e->dest label, redirect it to target's label.
12285 2012-06-12  Chung-Lin Tang  <cltang@codesourcery.com>
12287         * config/sh/sh.c (output_stack_adjust): Remove !epilogue_p
12288         condition for generating REG_FRAME_RELATED_EXPR note.
12289         (pop): Add code for generating REG_CFA_RESTORE,
12290         REG_CFA_ADJUST_CFA notes. Set RTX_FRAME_RELATED_P to 1.
12291         (sh_expand_epilogue): Use frame_insn() for FP to SP move.
12292         Set 'frame_p' of calls to output_stack_adjust() to 'true'.
12294 2012-06-11  Richard Henderson  <rth@redhat.com>
12296         * config/alpha/alpha.c (HWI_HEX2): Add missing shift.
12297         * vmsdbgout.c (VMS_EPOCH_OFFSET): Add LL suffix.
12299         * config/alpha/alpha.c (alpha_trampoline_init): Split large constants.
12301 2012-06-12  Hans-Peter Nilsson  <hp@axis.com>
12303         * doc/tm.texi.in (Addressing Modes) <TARGET_LEGITIMIZE_ADDRESS>:
12304         Mention that this hook needs to be defined for native TLS.
12305         * doc/tm.texi: Regenerate.
12307 2012-06-11  Mike Stump  <mikestump@comcast.net>
12309         * emit-rtl.c (init_emit_once): Iterate through the
12310         MODE_PARTIAL_INT modes with MIN_MODE_PARTIAL_INT and
12311         MAX_MODE_PARTIAL_INT, as GET_MODE_WIDER_MODE doesn't step through
12312         all the MIN_MODE_PARTIAL_INT modes anymore.
12314 2012-06-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
12316         * gcc/config/mips/mips-tables.opt (xlp): Fix merge typo.
12318 2012-06-11  Roland McGrath  <mcgrathr@google.com>
12320         * dwarf2out.c (const_ok_for_output_1): Detect a TLS UNSPEC using
12321         SYMBOL_REF_TLS_MODEL rather than DECL_THREAD_LOCAL_P, in case it's
12322         not a VAR_DECL.  Also don't limit it to UNSPECs with exactly one
12323         operand.
12325 2012-06-11  Oleg Endo  <olegendo@gcc.gnu.org>
12327         PR target/53511
12328         * config/sh/sh.md (fmasf4): New expander.
12329         (*macsf3): Rename to fmasf4_i.  Adapt to fma pattern.
12330         (mac_media): Rename to fmasf4_media.  Adapt to fma pattern.
12331         * config/sh/sh.opt (mfused-madd): Remove.
12332         * config/sh/sh.c (sh_option_override): Remove mfused-madd handling.
12333         (builtin_description bdesc): Remove __builtin_sh_media_FMAC_S.
12334         * config.gcc (sh[123456789lbe]*-*-* | sh-*-*): Add fused-madd.opt
12335         as extra options.
12336         * doc/invoke.texi (SH Options): Update mfused-madd and mno-fused-madd
12337         descriptions.
12339 2012-06-11  Richard Henderson  <rth@redhat.com>
12341         * dwarf2cfi.c (scan_trace): Handle annulled branch-taken delay slots.
12343 2012-06-11  Richard Guenther  <rguenther@suse.de>
12345         PR middle-end/53470
12346         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
12347         replace it with the first non-BLOCK context.
12349 2012-06-11  Richard Guenther  <rguenther@suse.de>
12351         * alias.c (aliases_everything_p): Remove.
12352         (DIFFERENT_ALIAS_SETS_P): Likewise.
12353         (true_dependence_1): Use mems_in_disjoint_alias_sets_p directly.
12354         Do not use aliases_everything_p or special-case ANDs.  Do not
12355         special-case BLKmode moves.
12356         (may_alias_p): Likewise.  Handle BLKmode similar like everywhere
12357         - for SCATCH only.
12359 2012-06-09  Hans-Peter Nilsson  <hp@axis.com>
12361         Fix CRIS build errors with --enable-build-with-cxx.
12362         * config/cris/cris.c (cris_emit_trap_for_misalignment): Rename
12363         variable "and" to "andop".
12364         * config/cris/sync.md ("atomic_fetch_<atomic_op_name><mode>"): Use
12365         temporary variable for memory model, passing C++-type-correct
12366         parameter type to expand_mem_thread_fence.
12367         ("atomic_compare_and_swap<mode>"): Ditto.
12369 2012-06-09  Richard Henderson  <rth@redhat.com>
12371         PR c++/53602
12372         * cfgcleanup.c (execute_jump): Rename from rest_of_handle_jump2.
12373         (pass_jump): Rename from pass_jump2.
12374         (execute_jump2, pass_jump2): New.
12375         * combine-stack-adj.c (rest_of_handle_stack_adjustments): Don't
12376         perform cfg cleanup here.  Move the test of PUSH_ROUNDING
12377         and ACCUMULATE_OUTGOING_ARGS test...
12378         (gate_handle_stack_adjustments): ... here.
12379         * passes.c (init_optimization_passes): Update for pass_jump2 rename.
12380         Place new pass_jump2 after pass_stack_adjustments.
12381         * tree-pass.h (pass_jump): Declare.
12383 2012-06-09  Kenneth Zadeck <zadeck@naturalbridge.com>
12385         * simplify-rtx.c (simplify_const_binary_operation): Fixed shift
12386         count trucation.
12388 2012-06-08  Richard Henderson  <rth@redhat.com>
12390         PR c++/53602
12391         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
12392         note to a clobber insn when no other insn is available.
12394 2012-06-08  Georg-Johann Lay  <avr@gjlay.de>
12396         * config/avr/avr.c (avr_case_values_threshold): Return 7.
12398 2012-06-07  Andreas Schwab  <schwab@linux-m68k.org>
12400         * genhooks.c (main): Set progname.
12401         (emit_documentation): Remove variable found_start, always bail out
12402         when a place is missing.
12403         * doc/tm.texi.in (C++ ABI): Add @hook TARGET_CXX_DECL_MANGLING_CONTEXT.
12405 2012-06-07  Jakub Jelinek  <jakub@redhat.com>
12407         PR middle-end/53580
12408         * omp-low.c (scan_omp): Change first argument to gimple_seq *,
12409         call walk_gimple_seq_mod instead of walk_gimple_seq.
12410         (scan_sharing_clauses, scan_omp_parallel, scan_omp_task,
12411         scan_omp_for, scan_omp_sections, scan_omp_single,
12412         execute_lower_omp): Adjust callers.
12413         (scan_omp_1_stmt): Likewise.  If check_omp_nesting_restrictions
12414         returns false, replace stmt with GIMPLE_NOP.
12415         (check_omp_nesting_restrictions): Instead of issuing warnings,
12416         issue errors and return false if any errors were reported.
12418 2012-06-06  Steven Bosscher  <steven@gcc.gnu.org>
12420         * doc/invoke.texi (fconserve-space): Remove documentation.
12422 2012-06-06  Edmar Wienskoski  <edmar@freescale.com>
12424         * config/rs6000/rs6000-tables.opt: Regenerated.
12426 2012-06-06  Richard Guenther  <rguenther@suse.de>
12428         PR tree-optimization/53081
12429         * tree-data-ref.h (adjacent_store_dr_p): Rename to ...
12430         (adjacent_dr_p): ... this and make it work for reads, too.
12431         * tree-loop-distribution.c (enum partition_kind): Add PKIND_MEMCPY.
12432         (struct partition_s): Change main_stmt to main_dr, add
12433         secondary_dr member.
12434         (build_size_arg_loc): Change to date data-reference and not
12435         gimplify here.
12436         (build_addr_arg_loc): New function split out from ...
12437         (generate_memset_builtin): ... here.  Use it and simplify.
12438         (generate_memcpy_builtin): New function.
12439         (generate_code_for_partition): Adjust.
12440         (classify_partition): Streamline pattern detection.  Detect memcpy.
12441         (ldist_gen): Adjust.
12442         (tree_loop_distribution): Adjust seed statements for memcpy
12443         recognition.
12445 2012-06-06  Matt Turner  <mattst88@gmail.com>
12447         * config/arm/mmintrin.h (_mm_empty): New.
12448         (_m_empty): New.
12450 2012-06-06  Richard Sandiford  <r.sandiford@uk.ibm.com>
12452         * doc/invoke.texi (sched-pressure-algorithm): Document new --param.
12453         * common.opt (fsched-pressure-algorithm=): Remove.
12454         * flag-types.h (sched_pressure_algorithm): Move to...
12455         * sched-int.h (sched_pressure_algorithm): ...here.
12456         * params.def (sched-pressure-algorithm): New param.
12457         * haifa-sched.c (sched_init): Use it to initialize sched_pressure.
12458         * common/config/s390/s390-common.c (s390_option_optimization_table):
12459         Remove OPT_fsched_pressure_algorithm_ entry.
12460         * config/s390/s390.c (s390_option_override): Set a default value for
12461         PARAM_SCHED_PRESSURE_ALGORITHM.
12463 2012-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
12465         PR target/53487
12466         * config/rs6000/rs6000.c (rs6000_generate_compare): If we are
12467         doing an unsigned compare, make sure the second argument is not a
12468         negative constant.
12469         (rs6000_emit_cmove): Don't allow floating point comparisons when
12470         generating ISEL moves.
12472 2012-06-05  Edmar Wienskoski  <edmar@freescale.com>
12474         * config/rs6000/e5500.md: New file.
12475         * config/rs6000/e6500.md: New file.
12476         * config/rs6000/rs6000.c (processor_costs): Add new costs for
12477         e5500 and e6500.
12478         (rs6000_option_override_internal): Altivec and Spe options not
12479         allowed with e5500. Spe options not allowed with e6500. Increase
12480         move inline limit for e5500 and e6500. Disable string instructions
12481         for e5500 and e6500. Enable branch targets alignment for e5500 and
12482         e6500. Initialize rs6000_cost for e5500 and e6500.
12483         (rs6000_adjust_cost): Add extra scheduling cycles between compare
12484         and brnach for e5500 and e6500.
12485         (rs6000_issue_rate): Set issue rate for e5500 and e6500.
12486         * config/rs6000/rs6000-cpus.def: Add cpu definitions for e5500 and
12487         e6500.
12488         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add e5500 and e6500.
12489         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce5500 and
12490         ppce6500.
12491         Include e5500.md and e6500.md.
12492         * config/rs6000/rs6000-opt.h (processor_type): Add
12493         PROCESSOR_PPCE5500 and PROCESSOR_PPCE6500.
12494         * config.gcc (cpu_is_64bit): Add new cores e5500, e6500.
12495         (powerpc*-*-*): Add new cores e5500, e6500.
12496         * doc/invoke.texi: (item -mcpu): Add e5500 and e6500 to list of cpus.
12498 2012-06-05  Richard Guenther  <rguenther@suse.de>
12500         * tree-vect-data-refs.c (vect_analyze_data_refs): Fix last change.
12502 2012-06-05  H.J. Lu  <hongjiu.lu@intel.com>
12504         PR target/53575
12505         * config.gcc: Select x32 run-time library if --with-abi={x32|mx32}
12506         is used for x86_64-*-*.
12508 2012-06-05  Richard Guenther  <rguenther@suse.de>
12510         PR tree-optimization/30442
12511         * tree-vect-data-refs.c (vect_analyze_data_refs): For basic-block
12512         vectorization stop analysis at the first stmt we cannot compute
12513         a data-reference for instead of giving up completely.
12515 2012-06-05  Richard Guenther  <rguenther@suse.de>
12517         * tree-loop-distribution.c (struct partition_s): Add has_writes member.
12518         (partition_alloc): Initialize it.
12519         (partition_has_writes): New function.
12520         (rdg_flag_uses): Adjust.
12521         (rdg_flag_vertex): Likewise.
12522         (rdg_flag_vertex_and_dependent): Likewise.
12523         (rdg_flag_loop_exits): Likewise.
12524         (build_rdg_partition_for_component): Likewise.
12525         (rdg_build_partitions): Likewise.
12527 2012-06-05  Richard Guenther  <rguenther@suse.de>
12529         PR tree-optimization/53081
12530         * tree-loop-distribution.c (generate_memset_builtin): Handle all
12531         kinds of byte-sized stores.
12532         (classify_partition): Likewise.
12533         (tree_loop_distribution): Adjust seed statements used for
12534         !flag_tree_loop_distribution.
12536 2012-06-05  Alan Modra  <amodra@gmail.com>
12538         * config/rs6000/rs6000.c (ptr_regno_for_savres): Comment.
12539         (rs6000_emit_prologue): Ensure register used for inline saves
12540         of vector regs is not the static chain register.  Revise comment.
12542 2012-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
12544         * doc/md.texi (Standard Pattern Names For Generation): Document
12545         sincos pattern.
12547 2012-06-04  H.J. Lu  <hongjiu.lu@intel.com>
12549         PR bootstrap/53555
12550         * config/i386/i386.c (ix86_sched_reorder) Skip debug insns.
12552 2012-06-04  Jason Merrill  <jason@redhat.com>
12554         * dwarf2out.c (is_unit_die): New.
12555         (copy_declaration_context, copy_ancestor_tree): Use it.
12556         (copy_decls_walk): Likewise.
12558 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
12560         PR c++/53524
12561         * doc/invoke.texi (Wenum-compare): Update documentation.
12563 2012-06-04  Dodji Seketeli  <dodji@redhat.com>
12565         PR preprocessor/53463
12566         * parser.c (cp_parser_assignment_expression): Use the location
12567         for the '=' as the default location for the expression.
12569 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
12571         PR target/53559
12572         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
12573         operands.
12574         (altivec_stvlxl): Ditto.
12575         (altivec_stvrx): Ditto.
12576         (altivec_stvrxl): Ditto.
12578 2012-06-04  Vladimir Makarov  <vmakarov@redhat.com>
12580         * ira-int.h (struct target_ira_int): Add member x_ira_uniform_class_p.
12581         (ira_uniform_class_p): New macro.
12583         * ira.c (setup_uniform_class_p): New function.
12584         (setup_allocno_and_important_classes): Call the function.
12585         (print_unform_and_important_classes): New function.
12586         (print_classes): Rename to print_translated_classes.
12587         (ira_debug_allocno_classes): Add call of
12588         print_unform_and_important_classes.
12590         * ira-costs.c (setup_regno_cost_classes_by_aclass): Use uniform
12591         classes instead of pressure classes.
12593 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
12595         PR middle-end/47530
12596         * trans-mem.c (expand_block_edges): Do not skip the first
12597         statement when resetting the BB.
12599 2012-06-04  Richard Guenther  <rguenther@suse.de>
12601         * tree-data-ref.c (stores_from_loop): Remove.
12602         (stmt_with_adjacent_zero_store_dr_p): Likewise.
12603         (stores_zero_from_loop): Likewise.
12604         * tree-data-ref.h (stores_from_loop, stores_zero_from_loop,
12605         stmt_with_adjacent_zero_store_dr_p, stride_of_unit_type_p): Remove.
12606         (adjacent_store_dr_p): New function.
12607         * tree-loop-distribution.c (generate_memset_builtin): Pass
12608         the RDG, use the already available data-reference.
12609         (generate_code_for_partition): Pass down RDG.
12610         (classify_partition): Inline parts of the former
12611         stmt_with_adjacent_zero_store_dr_p here and use adjacent_store_dr_p.
12612         (ldist_gen): Remember if there was any detected builtin and
12613         do less work if not and flag_tree_loop_distribution is not set.
12614         (tree_loop_distribution): Inline and fuse stores_from_loop
12615         and stores_zero_from_loop here.
12617 2012-06-04  Richard Guenther  <rguenther@suse.de>
12619         PR middle-end/53471
12620         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
12621         create new assembler names.
12623 2012-06-04  Richard Guenther  <rguenther@suse.de>
12625         * tree-data-ref.c (struct rdg_vertex_info): Remove.
12626         (rdg_vertex_for_stmt): Simplify using gimple_uid.
12627         (create_rdg_vertices): Pass loop argument, remove stmt to RDG index
12628         hashtable.  Record stmt data-references.
12629         (hash_stmt_vertex_info): Remove.
12630         (eq_stmt_vertex_info): Likewise.
12631         (hash_stmt_vertex_del): Likewise.
12632         (build_empty_rdg): Simplify.
12633         (build_rdg): Adjust.
12634         (free_rdg): Likewise.
12635         (ref_base_address): Remove.
12636         (have_similar_memory_accesses): Likewise.
12637         * tree-data-ref.h (create_rdg_vertices): Remove.
12638         (struct rdg_vertex): Add datarefs member.
12639         (RDGV_DATAREFS): New define.
12640         (RDG_DATAREFS): Likewise.
12641         (have_similar_memory_accesses): Remove.
12642         (rdg_has_similar_memory_accesses): Likewise.
12643         * tree-loop-distribution.c (ref_base_address): Re-implement here.
12644         (similar_memory_accesses): Re-implement using existing data-references.
12645         (tree_loop_distribution): Initialize stmt uids for the stmt to
12646         RDG index mapping.
12647         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
12648         access stmt vinfo for stmts in loop.
12650 2012-06-04  Andreas Schwab  <schwab@linux-m68k.org>
12652         PR target/53461
12653         * config/m68k/m68k.md ("tablejump"): Fix check for
12654         CASE_VECTOR_PC_RELATIVE.
12656 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
12658         * output.h (merge_weak, assemble_alias,
12659         initializer_constant_valid_p,
12660         initializer_constant_valid_for_bitfield_p): Move protos from here...
12661         * tree.h: ... to here.
12662         * cgraphclones.c: Do not include output.h.
12663         * gimplify.c: Likewise.
12664         * reload.c: Likewise.
12665         * recog.c: Likewise.
12666         * tree-ssa-loop-ivopts.c: Likewise.
12667         * tree-switch-conversion.c: Likewise.
12668         * c-parser.c: Likewise.
12669         * c-typeck.c: Likewise.
12670         * Makefile.in: Fix dependencies.
12672 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
12674         PR target/46261
12675         * config/avr/avr-stdint.h: New file.
12676         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
12677         newlib-stdint.h
12679 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
12681         PR tree-optimization/53550
12682         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
12683         is POINTER_TYPE_P, use sizetype as step type instead of type.
12685 2012-06-04  Richard Guenther  <rguenther@suse.de>
12687         * tree-data-ref.c (have_similar_memory_accesses_1): Remove.
12688         (ref_base_address_1): Likewise.
12689         (remove_similar_memory_refs): Likewise.
12690         * tree-data-ref.h (remove_similar_memory_refs): Remove.
12691         * tree-loop-distribution.c (classify_partition): Do not classify
12692         as builtin if -ftree-loop-distribute-patterns is not enabled.
12693         (fuse_partitions_with_similar_memory_accesses): Inline ...
12694         (ldist_gen): ... here.  Fuse all non-builtin partitions if
12695         -ftree-loop-distribution is not enabled.  Properly return
12696         the number of created partitions.  Do not update SSA form here but ...
12697         (tree_loop_distribution): ... once here for the whole function.
12698         Only walk innermost loops, constrain loops we consider here
12699         further.  Do not call remove_similar_memory_refs.
12700         (distribute_loop): Do not check number of loop nodes here.
12702 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
12704         * Makefile.in (GIMPLE_H): Do not depend on TARGET_H.
12706 2012-06-03  Martin Jambor  <mjambor@suse.cz>
12708         * ipa-prop.h (ipa_get_jf_known_type_offset): New function.
12709         (ipa_get_jf_known_type_base_type): Likewise.
12710         (ipa_get_jf_known_type_component_type): Likewise.
12711         (ipa_get_jf_constant): Likewise.
12712         (ipa_get_jf_pass_through_formal_id): Likewise.
12713         (ipa_get_jf_pass_through_operation): Likewise.
12714         (ipa_get_jf_ancestor_offset): Likewise.
12715         (ipa_get_jf_ancestor_type): Likewise.
12716         (ipa_get_jf_ancestor_formal_id): Likewise.
12717         (ipa_get_jf_member_ptr_pfn): Likewise.
12718         * ipa-prop.c (ipa_set_jf_known_type): New function.
12719         (ipa_set_jf_constant): Likewise.
12720         (ipa_set_jf_simple_pass_through): Likewise.
12721         (ipa_set_jf_arith_pass_through): Likewise.
12722         (ipa_set_ancestor_jf): Likewise.
12723         (fill_member_ptr_cst_jump_function): Moved up and renamed to
12724         ipa_set_jf_member_ptr_cst.
12725         (detect_type_change_1): Use the new jump function creation functions.
12726         (compute_complex_assign_jump_func): Likewise.
12727         (compute_complex_ancestor_jump_func): Likewise.
12728         (compute_known_type_jump_func): Likewise.
12729         (compute_scalar_jump_functions): Likewise.
12730         (compute_pass_through_member_ptrs): Likewise.
12731         (determine_cst_member_ptr): Likewise.
12732         (combine_known_type_and_ancestor_jfs): Likewise.
12733         (try_make_edge_direct_simple_call): Likewise.
12734         (try_make_edge_direct_virtual_call): Likewise.
12735         (update_indirect_edges_after_inlining): Likewise.
12736         * ipa-cp.c (ipa_get_jf_pass_through_result): Use jump function
12737         access functions.  Incorporat NOP_EXPR and BINFO handling from its
12738         callers.
12739         (ipa_get_jf_ancestor_result): Likewise.  Incorporate handling BINFOs
12740         which was in its callers.
12741         (ipa_value_from_jfunc): Use jump function access functions.  Some
12742         functionality moved to functions above.
12743         (propagate_vals_accross_ancestor): Likewise.
12744         (propagate_vals_accross_pass_through): Use jump function access
12745         functions.
12746         (propagate_accross_jump_function): Likewise.
12747         * ipa-inline-analysis.c (remap_edge_change_prob): Use jump function
12748         access functions.
12749         (inline_merge_summary): Likewise.
12751 2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12753         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
12754         * config/pa/pa.c (pa_attr_length_millicode_call): Use
12755         MAX_PCREL17F_OFFSET instead of fixed offset.
12756         (pa_attr_length_call): Likewise.
12757         (pa_attr_length_indirect_call): Likewise.
12759 2012-06-03  Oleg Endo  <olegendo@gcc.gnu.org>
12761         PR target/53512
12762         * config/sh/sh.opt (mfsca, mfsrra): New options.
12763         * config/sh/sh.md (rsqrtsf2): Use TARGET_FPU_ANY and TARGET_FSRRA
12764         condition.
12765         (fsca): Use TARGET_FPU_ANY and TARGET_FSCA condition.
12766         (sinssf2, cossf2): Fold expanders to ...
12767         (sincossf3): ... this new expander.  Use TARGET_FPU_ANY and
12768         TARGET_FSCA condition.
12769         * config/sh/sh.c (sh_option_override): Handle TARGET_FSRRA and
12770         TARGET_FSCA.
12771         * doc/invoke.texi (SH Options): Add descriptions for -mfsca,
12772         -mno-fsca, -mfsrra, -mno-fsrra.
12774 2012-06-03  Matt Turner  <mattst88@gmail.com>
12776         * config/mips/4600.md (r4700_imul_si): New.
12777         (r4700_imul_di): New.
12778         (r4700_fmul_single): New.
12779         (r4700_fmul_double): New.
12780         * config/mips/mips-cpus.def: Add r4700.
12781         * config/mips/mips.c: Likewise.
12782         * config/mips/mips.md: Likewise.
12783         * config/mips/mips-tables.opt: Regenerate.
12785 2012-06-02  Steven Bosscher  <steven@gcc.gnu.org>
12787         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Split out to
12788         new function sparc_initial_elimination_offset.
12789         * config/sparc/sparc.c (sparc_initial_elimination_offset): New
12790         function.
12791         * config/sparc/sparc-protos.h (sparc_initial_elimination_offset):
12792         Prototype it.
12794 2012-06-02  Kenneth Zadeck <zadeck@naturalbridge.com>
12796         * expmed.c (expand_mult, choose_multiplier): Change
12797         "2 * HOST_BITS_PER_WIDE_INT" to "HOST_BITS_PER_DOUBLE_INT".
12798         * expr.c (convert_modes): Likewise.
12799         * explow.c (plus_constant): Likewise.
12800         * fixed-value.c (fixed_saturate1, fixed_saturate2)
12801         (do_fixed_add, do_fixed_multiply, do_fixed_multiply)
12802         (do_fixed_multiply, do_fixed_multiply, do_fixed_divide)
12803         (do_fixed_divide, do_fixed_divide, do_fixed_divide)
12804         (do_fixed_divide, do_fixed_divide, do_fixed_shift, do_fixed_shift)
12805         (do_fixed_shift, fixed_convert, fixed_convert)
12806         (fixed_convert_from_int, fixed_convert_from_int)
12807         (fixed_convert_from_real): Likewise.
12808         * fold-const.c (fold_convert_const_int_from_fixed, sign_bit_p)
12809         (native_interpret_int, fold_binary_loc, fold_ternary_loc): Likewise.
12810         * varasm.c (output_constructor_bitfield): Likewise.
12811         * tree-vrp.c (register_edge_assert_for_2): Likewise.
12812         * double-int.c (rshift_double, lshift_double): Likewise.
12813         * double-int.h (double_int_fits_in_uhwi_p, double_int, double_int):
12814         Likewise.
12815         * simplify-rtx.c (mode_signbit_p)
12816         (simplify_const_unary_operation, simplify_binary_operation_1)
12817         (simplify_immed_subreg): Likewise.
12818         * builtins.c (c_readstr, fold_builtin_bitop): Likewise.
12819         * tree-vect-generic.c (build_replicated_const): Likewise.
12820         * dbxout.c (stabstr_O): Likewise.
12821         * emit-rtl.c (immed_double_int_const, immed_double_const)
12822         (gen_lowpart_common, init_emit_once): Likewise.
12823         * tree.c (integer_pow2p, tree_log2, tree_floor_log2)
12824         (widest_int_cst_value, upper_bound_in_type): Likewise.
12825         * stor-layout.c (initialize_sizetypes, fixup_signed_type)
12826         (fixup_unsigned_type): Likewise.
12827         * real.c (real_to_integer2, real_from_integer): Likewise.
12828         * dwarf2out.c (size_of_loc_descr, size_of_die, output_die)
12829         (clz_loc_descriptor, mem_loc_descriptor): Likewise.
12831 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
12833         PR middle-end/53501
12834         * fold-const.c (fold_binary_loc): Refine previous change.
12836 2012-06-01  Olivier Hainque  <hainque@adacore.com>
12838         * config/rs6000/vxworks.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Restore
12839         the "do {" part of the do-while(0) loop.
12841 2012-06-01  Yuri Rumyantsev  <yuri.s.rumyantsev@intel.com>
12843         * config/i386/i386.c (x86_sched_reorder): New function.
12844         Added new function x86_sched_reorder.
12846 2012-06-01  Richard Guenther  <rguenther@suse.de>
12848         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
12849         Handle PHIs.
12850         (classify_partition): Likewise.
12852 2012-06-01  Richard Guenther  <rguenther@suse.de>
12854         * tree-loop-distribution.c (enum partition_kind): New enum.
12855         (struct partition_s): Add kind and main_stmt members.
12856         (partition_alloc): Initialize kind to PKIND_NORMAL.
12857         (partition_builtin_p): New function.
12858         (copy_loop_before): Remove failure path and assert instead.
12859         (generate_loops_for_partition): Likewise.
12860         (generate_memset_zero): Fold into ...
12861         (generate_memset_builtin): ... this.
12862         (classify_partition): New function with code from
12863         can_generate_builtin and generate_builtin.
12864         (generate_builtin): Remove.
12865         (can_generate_builtin): Likewise.
12866         (fuse_partitions_with_similar_memory_accesses): Call
12867         partition_builtin_p instead of can_generate_builtin.
12868         (rdg_build_partitions): Do not call
12869         fuse_partitions_with_similar_memory_accesses here...
12870         (ldist_gen): ... but here after classifying all partitions.
12871         Remove failure path of generate_code_for_partition.
12872         (generate_code_for_partition): Generate code according
12873         to partition classification.
12875 2012-06-01  Manuel López-Ibáñez  <manu@gcc.gnu.org>
12876             Jonathan Wakely  <jwakely.gcc@gmail.com>
12878         PR c++/50134
12879         * doc/invoke.texi (Warning Options): Explain purpose and differences
12880         between -Wmissing-prototypes and -Wmissing-declarations.
12882 2012-06-01  Christian Bruel  <christian.bruel@st.com>
12884         * gcc.c (save_switch): Add user_p parameter.
12885         (read_specs): Likewise.
12886         (set_specs): Likewise.
12887         (validate_switches): Likewise.
12888         (validate_switches_from_spec): Likewise.
12889         (validate_all_switches): Pass on user_p parameter.
12890         (struct spec_list): Add user_p field.
12891         (struct switchstr): Add known field.
12892         (save_switch): Add known parameter.
12893         (INIT_STATIC_SPEC): Initialize user_p;
12894         (driver_unknown_option_callbac): call save_switch if
12895         OPT_SPECIAL_unknown.
12896         (driver_handle_option): Propagate OPT_specs.
12897         (do_spec_1): Set validated only if known.
12898         (check_live_switch): Likewise.
12899         (validate_switches): Set validated if known or user_spec.
12901 2012-06-01  Hans-Peter Nilsson  <hp@axis.com>
12903         Add CRIS atomic patterns for 1, 2, and 4 bytes.
12904         * config/cris/cris.c (cris_emit_trap_for_misalignment): New function.
12905         * config/cris/cris-protos.h: Declare it.
12906         * config/cris/cris.h [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 32]
12907         (TARGET_DEFAULT): Add alignment by 32.
12908         [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 10] (TARGET_DEFAULT): New
12909         case, as TARGET_CPU_DEFAULT == 0 but with alignment as for
12910         TARGET_CPU_DEFAULT == 32.
12911         (TARGET_TRAP_UNALIGNED_ATOMIC): New macro.
12912         * config/cris/cris.md: Include sync.md.  Avoid allocating specific
12913         numbers by replacing the define_constants for all UNSPECs with the
12914         equivalent define_c_enum construct.
12915         * config/cris/cris.opt (mtrap-unaligned-atomic): New option.
12916         * config/cris/sync.md: New file.
12918 2012-05-31  Matt Turner  <mattst88@gmail.com>
12920         * config/mips/4600.md (r4600_imul_si): Rename from r4600_imul.
12921         (r4600_imul_di): New.
12922         (r4600_idiv_si): Rename from r4600_idiv.
12923         (r4600_idiv_di): New.
12925 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
12927         * output.h (__gcc_host_wide_int__): Move to hwint.h.
12928         (decl_default_tls_model): Move to tree.h
12929         (dump_file): Move to system.h.
12930         (default_stabs_asm_out_destructor, default_stabs_asm_out_constructor,
12931         dbxout_int, dbxout_stabd, dbxout_begin_stabn, dbxout_begin_stabn_sline,
12932         dbxout_begin_empty_stabs, dbxout_begin_simple_stabs,
12933         dbxout_begin_simple_stabs_desc, dbxout_stab_value_zero,
12934         dbxout_stab_value_zero, dbxout_stab_value_label_diff,
12935         dbxout_stab_value_internal_label,
12936         dbxout_stab_value_internal_label_diff): Move from here ...
12937         * dbxout.h: ... to here.
12938         * system.h (dump_file): Moved here from output.h.
12939         * hwint.h (__gcc_host_wide_int__): Moved here from output.h.
12940         * tree.h (decl_default_tls_model): Moved here from output.h.
12941         * varasm.c (default_stabs_asm_out_destructor,
12942         default_stabs_asm_out_constructor): Move from here ...
12943         * dbxout.c: ... to here.
12945         * gcov-dump.c (dump_file): Rename to dump_gcov_file.  Update callers.
12947         * collect2.h (dump_file): Rename to dump_ld_file.
12948         * collect2.c: Likewise.
12949         * tlink.c: Likewise.
12951         * alias.c: Do not include output.h.
12952         * auto-inc-dec.c: Likewise.
12953         * bt-load.c: Likewise.
12954         * caller-save.c: Likewise.
12955         * cfg.c: Likewise.
12956         * cfgbuild.c: Likewise.
12957         * cfgcleanup.c: Likewise.
12958         * cfglayout.c: Likewise.
12959         * cfgloop.c: Likewise.
12960         * cfgloopanal.c: Likewise.
12961         * cfgloopmanip.c: Likewise.
12962         * cfgrtl.c: Likewise.
12963         * cgraph.c: Likewise.
12964         * cgraphclones.c: Likewise.
12965         * combine-stack-adj.c: Likewise.
12966         * combine.c: Likewise.
12967         * cprop.c: Likewise.
12968         * cse.c: Likewise.
12969         * cselib.c: Likewise.
12970         * dbgcnt.c: Likewise.
12971         * df-problems.c: Likewise.
12972         * df-scan.c: Likewise.
12973         * dojump.c: Likewise.
12974         * fwprop.c: Likewise.
12975         * gcse.c: Likewise.
12976         * graph.c: Likewise.
12977         * haifa-sched.c: Likewise.
12978         * hw-doloop.c: Likewise.
12979         * ipa-inline-transform.c: Likewise.
12980         * ipa-pure-const.c: Likewise.
12981         * ipa-reference.c: Likewise.
12982         * ipa-utils.c: Likewise.
12983         * ira-build.c: Likewise.
12984         * ira-emit.c: Likewise.
12985         * lcm.c: Likewise.
12986         * loop-doloop.c: Likewise.
12987         * loop-invariant.c: Likewise.
12988         * loop-iv.c: Likewise.
12989         * loop-unroll.c: Likewise.
12990         * loop-unswitch.c: Likewise.
12991         * lto-cgraph.c: Likewise.
12992         * lto-section-in.c: Likewise.
12993         * lto-streamer-in.c: Likewise.
12994         * mcf.c: Likewise.
12995         * mode-switching.c: Likewise.
12996         * postreload-gcse.c: Likewise.
12997         * postreload.c: Likewise.
12998         * predict.c: Likewise.
12999         * profile.c: Likewise.
13000         * ree.c: Likewise.
13001         * reg-stack.c: Likewise.
13002         * regcprop.c: Likewise.
13003         * regmove.c: Likewise.
13004         * regstat.c: Likewise.
13005         * reload1.c: Likewise.
13006         * sched-ebb.c: Likewise.
13007         * sel-sched-dump.c: Likewise.
13008         * simplify-rtx.c: Likewise.
13009         * stor-layout.c: Likewise.
13010         * store-motion.c: Likewise.
13011         * tracer.c: Likewise.
13012         * tree-affine.c: Likewise.
13013         * tree-cfg.c: Likewise.
13014         * tree-cfgcleanup.c: Likewise.
13015         * tree-dfa.c: Likewise.
13016         * tree-into-ssa.c: Likewise.
13017         * tree-nomudflap.c: Likewise.
13018         * tree-optimize.c: Likewise.
13019         * tree-pretty-print.c: Likewise.
13020         * tree-profile.c: Likewise.
13021         * tree-ssa-address.c: Likewise.
13022         * tree-ssa-ccp.c: Likewise.
13023         * tree-ssa-copy.c: Likewise.
13024         * tree-ssa-dom.c: Likewise.
13025         * tree-ssa-loop-ch.c: Likewise.
13026         * tree-ssa-loop-im.c: Likewise.
13027         * tree-ssa-loop-manip.c: Likewise.
13028         * tree-ssa-loop-niter.c: Likewise.
13029         * tree-ssa-loop-prefetch.c: Likewise.
13030         * tree-ssa-loop-unswitch.c: Likewise.
13031         * tree-ssa-loop.c: Likewise.
13032         * tree-ssa-propagate.c: Likewise.
13033         * tree-ssa-structalias.c: Likewise.
13034         * tree-ssa-tail-merge.c: Likewise.
13035         * tree-ssa-threadedge.c: Likewise.
13036         * tree-ssa-threadupdate.c: Likewise.
13037         * tree-ssa-uncprop.c: Likewise.
13038         * tree-ssa-uninit.c: Likewise.
13039         * tree-ssa.c: Likewise.
13040         * value-prof.c: Likewise.
13041         * var-tracking.c: Likewise.
13042         * web.c: Likewise.
13044         * config/m32r/m32r.c: Include dbxout.h.
13045         * config/pa/pa.c: Likewise.
13046         * config/rs6000/rs6000.c: Likewise.
13048         * Makefile.in: Fix dependencies.
13049         * config/rs6000/t-rs5000: Likewise.
13051 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
13053         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
13054         * gimple.h (block_in_transaction): Check for flag_tm.
13056 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
13058         PR tree-optimization/52558
13059         * cfg.c (alloc_aux_for_edge): Fix comment.
13060         (alloc_aux_for_edge): Remove static.
13061         * basic-block.h (alloc_aux_for_edge): Protoize.
13062         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
13063         (execute_sm_if_changed_flag): New.
13064         (execute_sm_if_changed_flag_set): New.
13065         (execute_sm): Do not generate data races unless requested.
13066         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
13067         (tree_ssa_lim_finalize): Call free_aux_for_edges.
13068         * gimple.h (block_in_transaction): New.
13069         (gimple_in_transaction): Use block_in_transaction.
13071 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
13073         PR target/51345
13074         * config/avr/avr.opt (-msp8): Document it.
13075         * doc/invoke.texi (AVR Options): Ditto.  And document related
13076         built-in macros.
13078 2012-05-31  Diego Novillo  <dnovillo@google.com>
13080         * configure.ac (CXX_FOR_BUILD): Define and substitute.
13081         (BUILD_CXXFLAGS): Define and substitute.
13082         * Makefile.in (BUILD_CXXFLAGS): Define.
13083         (CXX_FOR_BUILD): Define.
13084         (COMPILER_FOR_BUILD): Set to CXX_FOR_BUILD if building with C++.
13085         (LINKER_FOR_BUILD): Likewise.
13086         (BUILD_COMPILERFLAGS): Set to BUILD_CXXFLAGS if building with C++.
13087         (BUILD_LINKERFLAGS): Likewise.
13088         * configure: Regenerate.
13090 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
13092         * Makefile.in: Fix many dependencies.
13093         * tree-profile.c: Don't include regs.h.
13094         * tree-vectorizer.c: Don't include cfglayout.h.
13095         * tree-vect-stmts.c: Likewise.
13096         * tree-vect-slp.c: Likewise.
13097         * tree-vect-loop.c: Likewise.
13098         * reg-stack.c: Likewise.
13099         * tree-ssa-loop-manip.c: Likewise.
13100         * toplev.c: Likewise.
13101         * varasm.c: Don't include cfglayout.h, basic-block.h,
13102         and tree-iterator.h.
13103         * tree-cfgcleanup.c: Don't include cfglayout.h.
13104         * passes.c: Don't include cfglayout.h, dwarf2asm.h,
13105         dwarf2out.h, dbxout.h, sdbout.h, and xcoffout.h.
13106         * cgraphclones.c: Don't include plugin.h.
13108 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
13110         * config/avr/t-avr: Correct avr-mmcu.texi dependencies.
13111         (s-avr-mmcu-texi): Don't sed on gen-avr-mmcu-texi output.
13112         * doc/avr-mmcu.texi (svn:eol-style): Set to native.
13114 2012-05-31  Richard Guenther  <rguenther@suse.de>
13116         * tree-loop-distribution.c (struct partition_s): New struct,
13117         typedef and vector type.
13118         (partition_alloc, partition_free): New functions.
13119         (generate_loops_for_partition, generate_builtin,
13120         generate_code_for_partition, rdg_flag_uses, rdg_flag_vertex,
13121         rdg_flag_vertex_and_dependent, rdg_flag_loop_exits,
13122         build_rdg_partition_for_component, can_generate_builtin,
13123         similar_memory_accesses, fuse_partitions_with_similar_memory_accesses,
13124         rdg_build_partitions, dump_rdg_partitions, debug_rdg_partitions,
13125         number_of_rw_in_partition, partition_contains_all_rw,
13126         ldist_gen): Use partition_t instead of bitmap.
13128 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
13130         * config/avr/gen-avr-mmcu-texi.c: Sort MCUs.
13131         * doc/avr-mmcu.texi: Regenerate.
13133 2012-05-31  Richard Guenther  <rguenther@suse.de>
13135         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
13136         Use FOR_EACH_SSA_DEF_OPERAND.
13137         (generate_builtin): Adjust.
13138         (stmt_generated_in_another_partition): Remove.
13139         (add_scalar_computations_to_partition): Likewise.
13140         (rdg_build_partitions): Do not call
13141         add_scalar_computations_to_partition.
13143 2012-05-31  Eric Botcazou  <ebotcazou@adacore.com>
13145         * tree-dfa.c (get_ref_base_and_extent): Compute the offset using
13146         double ints throughout.
13147         * tree-sra.c (build_user_friendly_ref_for_offset) <RECORD_TYPE>:
13148         Check that the position of the field is representable as an integer.
13150 2012-05-31  Richard Guenther  <rguenther@suse.de>
13152         * tree-data-ref.c (dr_analyze_innermost): Properly convert
13153         the MEM_REF offset to sizetype.
13155 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
13157         * doc/invoke.texi (AVR Options): Fix typos.
13159 2012-05-31  Hans-Peter Nilsson  <hp@axis.com>
13161         * config/cris/cris.h (CC1_SPEC): Pass through all -march=
13162         and -mcpu= options.
13163         (ASM_SPEC): Ditto, not just -march=v32, but translate non-v10,
13164         non-v32 into --march=v0_v10.
13166 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
13168         * ira-int.h (target_ira_int): Rename x_move_cost to
13169         x_ira_register_move_cost, x_may_move_in_cost to
13170         x_ira_may_move_in_cost and x_may_move_out_cost to
13171         x_ira_may_move_out_cost.  Delete the old fields with
13172         those names and also x_ira_max_register_move_cost,
13173         x_ira_max_may_move_in_cost and x_ira_max_may_move_out_cost.
13174         (move_cost, may_move_in_cost, may_move_out_cost)
13175         (ira_max_register_move_cost, ira_max_may_move_in_cost)
13176         (ira_max_may_move_out_cost): Delete.
13177         * ira.c (init_move_cost): Rename to...
13178         (ira_init_register_move_cost): ...this, deleting the old
13179         function with that name.  Apply above variable renamings.
13180         Retain asserts for null fields.
13181         (ira_init_once): Don't initialize register move costs here.
13182         (free_register_move_costs): Apply above variable renamings.
13183         Remove code for deleted fields.
13185 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
13187         * ira.c (init_move_cost): Adjust choice of subclasses to match
13188         the current ira_init_register_move_cost choice.  Use
13189         ira_class_subset_p instead of reg_class_subset_p.
13190         (ira_init_register_move_cost): Assert that move_cost,
13191         may_move_in_cost and may_move_out_cost already hold the desired
13192         values for their ira_* equivalents.  For the latter two,
13193         ignore classes that can't store a register of the given mode.
13195 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
13197         * ira.c (setup_allocno_and_important_classes): Use
13198         ira_class_hard_regs_num to check whether a class has any
13199         allocatable registers.
13200         (ira_init_register_move_cost): Likewise.
13202 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
13204         * ira.c (init_move_cost): Adjust local variable names to match
13205         file conventions.  Use ira_assert instead of gcc_assert.
13207 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
13209         * regs.h (move_table, move_cost, may_move_in_cost, may_move_out_cost):
13210         Move these definitions and associated target_globals fields to...
13211         * ira-int.h: ...here.
13212         * rtl.h (init_move_cost): Delete.
13213         * reginfo.c (last_mode_for_init_move_cost, init_move_cost): Move to...
13214         * ira.c: ...here, making the latter static.
13216 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
13218         * ira-costs.c (copy_cost): Use ira_init_register_move_cost_if_necessary
13219         and ira_register_move_cost instead of init_move_cost and move_cost.
13221 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
13223         * ira.h (target_ira): Delete x_ira_available_class_regs.
13224         (ira_available_class_regs): Delete.
13225         * ira.c (setup_available_class_regs): Delete.
13226         (setup_alloc_classes): Don't call it.
13227         (setup_pressure_classes): Use ira_class_hard_regs_num instead of
13228         ira_available_class_regs.
13229         * haifa-sched.c (print_curr_reg_pressure, setup_insn_reg_pressure_info)
13230         (model_spill_cost): Likewise.
13231         * ira-build.c (low_pressure_loop_node_p): Likewise.
13232         * ira-color.c (color_pass): Likewise.
13233         * ira-emit.c (change_loop): Likewise.
13234         * ira-lives.c (inc_register_pressure, dec_register_pressure)
13235         (single_reg_class, ira_implicitly_set_insn_hard_regs)
13236         (process_bb_node_lives): Likewise.
13237         * loop-invariant.c (gain_for_invariant): Likewise.
13239 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13241         PR target/52999
13242         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
13243         (pa_section_type_flags): New.
13244         (pa_legitimate_constant_p): Revert previous change.
13246 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
13248         * ira.c (allocate_initial_values): Make static.
13250 2012-05-30  Uros Bizjak  <ubizjak@gmail.com>
13252         * config/i386/i386.c (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>:
13253         Generate tls_initial_exec_64_sun only when !TARGET_X32.
13255 2012-05-30  Richard Guenther  <rguenther@suse.de>
13257         PR middle-end/53501
13258         * fold-const.c (fold_binary_loc): Make sure to call
13259         fold_plusminus_mult_expr with the original sign of operands.
13261 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
13263         * Makefile.in: Fix many dependencies.
13264         (DWARF2_H): Depend on dwarf2.def.
13265         (RTL_ERROR_H): Depend on rtl-error.h.
13266         (TREE_PRETTY_PRINT_H, GIMPLE_PRETTY_PRINT_H): New.  Replace
13267         all gimple-pretty-print.h and tree-pretty-print.h references.
13269 2012-05-30  Marc Glisse  <marc.glisse@inria.fr>
13271         * simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle of
13272         concatenations.
13274 2012-05-30  Richard Guenther  <rguenther@suse.de>
13276         PR middle-end/53522
13277         * tree-emutls.c (gen_emutls_addr): Do not add globals to
13278         referenced-vars.
13280 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
13282         * explow.c (probe_stack_range): Restore simple control flow and stop
13283         again when the probe cannot be generated if HAVE_check_stack.
13285 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
13287         PR rtl-optimization/53519
13288         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
13289         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
13291 2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
13293         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
13295 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
13297         PR debug/53453
13298         * doc/tm.texi: Update.
13299         * doc/tm.texi.in (SDB and DWARF) <TARGET_FORCE_AT_COMP_DIR>: Add @hook.
13300         * target.def (force_at_comp_dir): New hook.
13301         * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Define.
13302         * dwarf2out.c (dwarf2out_finish): Check targetm.force_at_comp_dir.
13304 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
13306         * config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
13307         Darwin >= 10.
13308         (DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
13309         (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.
13311 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
13313         PR target/51340
13314         * config/sh/sh.c (sh_option_override): Set TARGET_FMAC if
13315         flag_unsafe_math_optimizations is set.
13316         * doc/invoke.texi (SH Options): Add -mno-fused-madd description.
13317         Update description of -mfused-madd.
13319 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
13321         PR target/52941
13322         * config/sh/predicates.md (atomic_arith_operand,
13323         atomic_logical_operand): New predicates.
13324         * config/sh/sh.c (sh_option_override): Check atomic options.
13325         * config/sh/sh.h (TARGET_ANY_ATOMIC, UNSUPPORTED_ATOMIC_OPTIONS,
13326         UNSUPPORTED_HARD_ATOMIC_CPU): New macros.
13327         (DRIVER_SELF_SPECS): Use UNSUPPORTED_ATOMIC_OPTIONS and
13328         UNSUPPORTED_HARD_ATOMIC_CPU.
13329         * config/sh/sync.md: Update description comments.
13330         (I12): New mode iterator.
13331         (fetchop_predicate, fetchop_constraint): New code attributes.
13332         (atomic_compare_and_swapsi_hard, atomic_compare_and_swap<mode>_hard,
13333         atomic_exchangesi_hard, atomic_exchange<mode>_hard,
13334         atomic_fetch_<fetchop_name>si_hard,
13335         atomic_fetch_<fetchop_name><mode>_hard,
13336         atomic_fetch_nandsi_hard, atomic_fetch_nand<mode>_hard,
13337         atomic_<fetchop_name>_fetchsi_hard,
13338         atomic_<fetchop_name>_fetch<mode>_hard,
13339         atomic_nand_fetchsi_hard, atomic_nand_fetch<mode>_hard,
13340         atomic_test_and_set_hard): New insns.
13341         (atomic_compare_and_swap<mode>_soft, atomic_exchange<mode>_soft,
13342         atomic_fetch_<fetchop_name><mode>_soft, atomic_fetch_nand<mode>_soft,
13343         atomic_<fetchop_name>_fetch<mode>_soft, atomic_nand_fetch<mode>_soft,
13344         atomic_test_and_set_soft): Use same formatting for the first line of
13345         the asm block as in new insns above.
13346         (atomic_compare_and_swap<mode>, atomic_exchange<mode>,
13347         atomic_fetch_<fetchop_name><mode>, atomic_<fetchop_name>_fetch<mode>,
13348         atomic_test_and_set): Integrate new *_hard insns into expanders.
13349         * config/sh/sh.opt (mhard-atomic): New option.
13350         * doc/invoke.texi (SH Options): Document it.
13352 2012-05-29  Meador Inge  <meadori@codesourcery.com>
13354         * c-decl.c (c_push_function_context): Always create a new language
13355         function.
13356         (c_pop_function_context): Clear the language function created in
13357         c_push_function_context.
13359 2012-05-29  Matt Turner  <mattst88@gmail.com>
13361         * config/alpha/ev6.md: (define_bypass "ev6_fmul,ev6_fadd"): New.
13362         (define_bypass "ev6_fcmov"): New.
13364 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
13366         * integrate.c: Remove.
13367         * integrate.h: Remove.
13368         * Makefile.in: Remove make rules for integrate.c and INTEGRATE_H.
13369         * config/arm/t-arm: Remove INTEGRATE_H dependency for target files.
13370         * config/rs6000/t-rs6000: Likewise
13371         * config/spu/t-spu-elf: Likewise.
13372         * function.h (get_hard_reg_initial_val, has_hard_reg_initial_val,
13373         get_hard_reg_initial_reg, emit_initial_value_sets): Move prototypes
13374         from integrate.h to here.
13375         (initial_value_entry): New prototype.
13376         * reload.h (allocate_initial_values): Remove prototype.
13377         * tree.h (set_decl_abstract_flags, set_decl_origin_self): Likewise.
13378         * cse.c (fixed_base_plus_p): Don't handle virtual registers for
13379         integrate.c.
13380         * dwarf2out.c (set_decl_origin_self, set_block_origin_self,
13381         set_decl_abstract_flags, set_block_abstract_flags): Move from
13382         integrate.c to here, the only user.
13383         * expmed.c (extract_fixed_bit_field): Remove outdated comment
13384         about integrate.c.
13385         * function.c: Don't include integrate.h.
13386         (struct initial_value_pair, struct initial_value_struct,
13387         get_hard_reg_initial_val, has_hard_reg_initial_val,
13388         get_hard_reg_initial_reg, emit_initial_value_sets): Move from
13389         integrate.c to here.
13390         (initial_value_entry): New function.
13391         * genemit.c (main): Don't print integrate.h include line.
13392         * ira.c: Don't include integrate.h.
13393         (allocate_initial_values): Move from integrate.c to here.
13394         (ira): Update allocate_initial_values call.
13395         * tree-inline.c: Don't include integrate.h.
13396         (function_attribute_inlinable_p): Moved from integrate.c to here.
13397         * cfgexpand.c: Don't include integrate.h.
13398         * except.c: Likewise.
13399         * langhooks.c: Likewise.
13400         * passes.c: Likewise.
13401         * toplev.c: Likewise.
13402         * config/frv/frv.c: Likewise.
13403         * config/pa/pa.c: Likewise.
13404         * config/spu/spu.c: Likewise.
13405         * config/epiphany/epiphany.c: Likewise.
13406         * config/mep/mep.c: Likewise.
13407         * config/score/score.c: Likewise.
13408         * config/picochip/picochip.c: Likewise.
13409         * config/sh/sh.c: Likewise.
13410         * config/alpha/alpha.c: Likewise.
13411         * config/microblaze/microblaze.c: Likewise.
13412         * config/mips/mips.c: Likewise.
13413         * config/v850/v850.c: Likewise.
13414         * config/mmix/mmix.c: Likewise.
13415         * config/bfin/bfin.c: Likewise.
13416         * config/arm/arm.c: Likewise.
13417         * config/s390/s390.c: Likewise.
13418         * config/m32r/m32r.c: Likewise.
13419         * config/rs6000/rs6000.c: Likewise.
13420         * config/c6x/c6x.c: Include function.h instead of integrate.h.
13421         * config/tilegx/tilegx.c: Likewise.
13422         * config/tilepro/tilepro.c: Likewise.
13424 2012-05-29  Georg-Johann Lay  <avr@gjlay.de>
13426         * config/avr/t-avr (s-avr-mmcu-texi): Call
13427         gen-avr-mmcu-texi$(build_exeext) via ./ and don't assume . is in PATH.
13429 2012-05-29  Michael Matz  <matz@suse.de>
13431         * rtl.h (assign_stack_temp, assign_stack_temp_for_type,
13432         assign_temp): Remove 'keep' argument.
13433         (mark_temp_addr_taken): Remove prototype.
13434         * tree.h (expand_decl): Remove prototype.
13435         * function.c (struct temp_slot): Remove addr_taken and keep member.
13436         (assign_stack_temp_for_type) Don't initialize above, remove
13437         keep argument.
13438         (assign_stack_temp, assign_temp): Remove keep argument.
13439         (mark_temp_addr_taken): Remove.
13440         (preserve_temp_slots): Remove handling of addr_taken and keep members.
13441         (free_temp_slots): Ditto.
13442         * expr.c (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Remove
13443         dead code.
13444         * stmt.c (expand_asm_operands): Remove dead code.
13445         (expand_decl): Remove.
13446         * c-decl.c (finish_struct): Don't call expand_decl.
13447         * builtins.c (expand_builtin_cexpi): Adjust calls to assign_temp
13448         and assign_stack_temp.
13449         * calls.c (save_fixed_argument_area, initialize_argument_information,
13450         expand_call, emit_library_call_value_1, store_one_arg): Ditto.
13451         * expmed.c (extract_bit_field_1): Ditto.
13452         * expr.c (emit_group_load_1, emit_group_store,
13453         copy_blkmode_from_reg, emit_push_insn, expand_assignment,
13454         store_field, expand_constructor, expand_cond_expr_using_cmove,
13455         expand_expr_real_2, expand_expr_real_1): Ditto.
13456         * stmt.c (expand_asm_operands, expand_return): Ditto.
13458         * function.c (pop_temp_slots): Call free_temp_slots.
13459         * calls.c (store_one_arg): Don't call preserve_temp_slots or
13460         free_temp_slots.
13461         * expr.c (expand_assignment): Don't call free_temp_slots.
13463         * config/arm/arm.c (neon_expand_vector_init): Ditto.
13464         * config/i386/i386.c (ix86_expand_vector_set): Ditto.
13465         (ix86_expand_vector_extract): Ditto.
13466         * config/ia64/ia64.c (spill_xfmode_rfmode_operand,
13467         ia64_expand_movxf_movrf): Ditto.
13468         * config/mips/mips.c (mips_expand_vi_general): Ditto.
13469         * config/mmix/mmix.md (floatdisf2, floatunsdisf2, truncdfsf2,
13470         extendsfdf2): Ditto.
13471         * config/rs6000/rs6000.c (rs6000_expand_vector_init,
13472         rs6000_expand_vector_set, rs6000_expand_vector_extract,
13473         rs6000_allocate_stack_temp): Ditto.
13474         * config/rs6000/rs6000.md (fix_trunctfsi2_fprs): Ditto.
13475         * config/sparc/sparc.c (emit_soft_tfmode_libcall,
13476         sparc_emit_float_lib_cmp, sparc_emit_float_lib_cmp,
13477         sparc_expand_vector_init): Ditto.
13479 2012-05-29  Michael Matz  <matz@suse.de>
13481         * c-tree.h (c_expand_decl): Remove prototype.
13483         * expr.c (expand_expr_real_1 <normal_inner_ref>): Don't allocate
13484         a kept temp.
13485         (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Make unreachable.
13486         * gimple-fold.c (canonicalize_constructor_val): Canonicalize
13487         COMPOUND_LITERAL_EXPR.
13488         * function.c (expand_function_start): Don't call expand_decl,
13489         instead assert that we have RTL assigned.
13490         * tree-ssa-live.c (remove_unused_locals): Clear
13491         nonlocal_goto_save_area if its backing variable is removed.
13492         * stmt.c (expand_asm_operands): Remove handling of non-lvalues
13493         as mem inputs.
13494         (expand_decl): Assert that this does nothing.
13495         * calls.c (expand_call): Don't call mark_temp_addr_taken.
13497 2012-05-29  Richard Guenther  <rguenther@suse.de>
13499         PR tree-optimization/53516
13500         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
13501         bitfield accesses.
13502         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
13504 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
13506         * LANGUAGES: Fix typos.
13507         * Makefile.in: Fix typos.
13508         * alias.c: Fix typos.
13509         * auto-inc-dec.c: Fix typos.
13510         * bb-reorder.c: Fix typos.
13511         * cfgcleanup.c: Fix typos.
13512         * cgraph.c: Fix typos.
13513         * cgraph.h: Fix typos.
13514         * cgraphunit.c: Fix typos.
13515         * collect2-aix.h: Fix typos.
13516         * collect2.c: Fix typos.
13517         * compare-elim.c: Fix typos.
13518         * config/alpha/vms.h: Fix typos.
13519         * config/arm/README-interworking: Fix typos.
13520         * config/arm/arm.c: Fix typos.
13521         * config/arm/iterators.md: Fix typos.
13522         * config/arm/vxworks.h: Fix typos.
13523         * config/avr/avr.c: Fix typos.
13524         * config/avr/avr.h: Fix typos.
13525         * config/avr/avr.md: Fix typos.
13526         * config/avr/builtins.def: Fix typos.
13527         * config/c6x/c6x.c: Fix typos.
13528         * config/cr16/cr16.c: Fix typos.
13529         * config/cr16/cr16.md: Fix typos.
13530         * config/cris/cris.md: Fix typos.
13531         * config/darwin.c: Fix typos.
13532         * config/darwin.opt: Fix typos.
13533         * config/i386/i386-c.c: Fix typos.
13534         * config/i386/i386.c: Fix typos.
13535         * config/ia64/ia64.c: Fix typos.
13536         * config/m68k/cf.md: Fix typos.
13537         * config/mep/mep.c: Fix typos.
13538         * config/microblaze/microblaze.c: Fix typos.
13539         * config/microblaze/microblaze.h: Fix typos.
13540         * config/mn10300/mn10300.c: Fix typos.
13541         * config/mn10300/mn10300.md: Fix typos.
13542         * config/pa/pa.c: Fix typos.
13543         * config/picochip/picochip.h: Fix typos.
13544         * config/rs6000/a2.md: Fix typos.
13545         * config/rs6000/rs6000.c: Fix typos.
13546         * config/rs6000/vector.md: Fix typos.
13547         * config/rx/rx.md: Fix typos.
13548         * config/rx/rx.opt: Fix typos.
13549         * config/s390/2097.md: Fix typos.
13550         * config/s390/s390.c: Fix typos.
13551         * config/s390/s390.h: Fix typos.
13552         * config/sh/sh.c: Fix typos.
13553         * config/sh/sh.md: Fix typos.
13554         * config/sparc/sync.md: Fix typos.
13555         * config/spu/spu.c: Fix typos.
13556         * config/spu/spu.md: Fix typos.
13557         * config/vms/vms.c: Fix typos.
13558         * config/vxworks-dummy.h: Fix typos.
13559         * config/vxworks.h: Fix typos.
13560         * cselib.c: Fix typos.
13561         * df-scan.c: Fix typos.
13562         * df.h: Fix typos.
13563         * doc/extend.texi: Fix typos.
13564         * doc/install.texi: Fix typos.
13565         * doc/invoke.texi: Fix typos.
13566         * doc/md.texi: Fix typos.
13567         * doc/plugins.texi: Fix typos.
13568         * doc/rtl.texi: Fix typos.
13569         * dse.c: Fix typos.
13570         * dwarf2asm.c: Fix typos.
13571         * dwarf2out.c: Fix typos.
13572         * except.h: Fix typos.
13573         * expr.c: Fix typos.
13574         * fold-const.c: Fix typos.
13575         * gcc.c: Fix typos.
13576         * gcse.c: Fix typos.
13577         * genautomata.c: Fix typos.
13578         * gengtype-state.c: Fix typos.
13579         * gengtype.c: Fix typos.
13580         * genhooks.c: Fix typos.
13581         * gimple-fold.c: Fix typos.
13582         * gimple-pretty-print.c: Fix typos.
13583         * gimple.c: Fix typos.
13584         * gimple.h: Fix typos.
13585         * gimplify.c: Fix typos.
13586         * graphite-interchange.c: Fix typos.
13587         * graphite-sese-to-poly.c: Fix typos.
13588         * ifcvt.c: Fix typos.
13589         * input.c: Fix typos.
13590         * ipa-cp.c: Fix typos.
13591         * ipa-inline-analysis.c: Fix typos.
13592         * ipa-inline-transform.c: Fix typos.
13593         * ipa-inline.c: Fix typos.
13594         * ipa-pure-const.c: Fix typos.
13595         * ipa-ref.h: Fix typos.
13596         * ipa-reference.c: Fix typos.
13597         * ipa-utils.c: Fix typos.
13598         * ipa.c: Fix typos.
13599         * ira-emit.c: Fix typos.
13600         * ira-lives.c: Fix typos.
13601         * lto-streamer.c: Fix typos.
13602         * lto-streamer.h: Fix typos.
13603         * lto-wrapper.c: Fix typos.
13604         * mcf.c: Fix typos.
13605         * mode-switching.c: Fix typos.
13606         * modulo-sched.c: Fix typos.
13607         * plugin.c: Fix typos.
13608         * postreload.c: Fix typos.
13609         * sched-deps.c: Fix typos.
13610         * sel-sched-ir.c: Fix typos.
13611         * sel-sched-ir.h: Fix typos.
13612         * sel-sched.c: Fix typos.
13613         * sese.c: Fix typos.
13614         * stor-layout.c: Fix typos.
13615         * target-hooks-macros.h: Fix typos.
13616         * target.def: Fix typos.
13617         * trans-mem.c: Fix typos.
13618         * tree-eh.c: Fix typos.
13619         * tree-predcom.c: Fix typos.
13620         * tree-sra.c: Fix typos.
13621         * tree-ssa-address.c: Fix typos.
13622         * tree-ssa-loop-ivopts.c: Fix typos.
13623         * tree-ssa-loop-niter.c: Fix typos.
13624         * tree-ssa-math-opts.c: Fix typos.
13625         * tree-ssa-pre.c: Fix typos.
13626         * tree-ssa-propagate.c: Fix typos.
13627         * tree-ssa-reassoc.c: Fix typos.
13628         * tree-ssa-sccvn.c: Fix typos.
13629         * tree-ssa-ter.c: Fix typos.
13630         * tree-ssa-uninit.c: Fix typos.
13631         * tree-ssanames.c: Fix typos.
13632         * tree-vect-generic.c: Fix typos.
13633         * tree-vect-slp.c: Fix typos.
13634         * tree.c: Fix typos.
13635         * tree.h: Fix typos.
13636         * varasm.c: Fix typos.
13637         * varpool.c: Fix typos.
13639 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
13641         * doc/include/texinfo.tex: Update to version 2012-05-16.16.
13643 2012-05-29  Richard Guenther  <rguenther@suse.de>
13645         * tree-dfa.c (find_vars_r): Do not call add_referenced_vars
13646         for globals.
13647         (add_referenced_var_1): Re-organize.  Assert we are not
13648         called for globals.
13649         (remove_referenced_var): Likewise.
13650         * varpool.c (add_new_static_var): Use create_tmp_var_raw.
13651         * tree-mudflap.c (execute_mudflap_function_ops): Do not
13652         call add_referenced_var on globals.
13653         * matrix-reorg.c (transform_access_sites): Likewise.
13655 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
13657         * alias.c (reg_known_value): Make this a VEC.
13658         (reg_known_equiv_p): Make this an sbitmap.
13659         (reg_known_value_size): Remove.
13660         (get_reg_known_value, set_reg_known_value, get_reg_known_equiv_p,
13661         set_reg_known_equiv_p): Update for reg_known_value and
13662         reg_known_value_size data structure change.
13663         (init_alias_analysis, end_alias_analysis): Likewise.
13665 2012-05-29  Jakub Jelinek  <jakub@redhat.com>
13667         PR middle-end/53510
13668         * input.c (read_line): Use XRESIZEVEC instead of XNEWVEC
13669         to avoid leaking memory.  No need to handle memory allocation
13670         failure.  Double string_len on each reallocation instead of adding 2.
13671         * gcov.c (read_line): Likewise.
13673 2012-05-29  Hans-Peter Nilsson  <hp@axis.com>
13675         * config/cris/cris.h (TARGET_HAS_BREAK, TARGET_TRAP_USING_BREAK8):
13676         New macros.
13677         * config/cris/cris.md ("trap"): Define, enabled for
13678         TARGET_TRAP_USING_BREAK8.
13679         * config/cris/cris.opt (mtrap-using-break8): New option.
13681 2012-05-28  Paolo Carlini  <paolo.carlini@oracle.com>
13683         PR c++/25137
13684         * doc/invoke.texi: Document -Wmissing-braces not enabled by -Wall
13685         for C++.
13687 2012-05-28  Hans-Peter Nilsson  <hp@axis.com>
13689         * doc/md.texi (stack_protect_test): Remove negation of branch to label.
13690         (Standard Names): Fix typos in documentation of atomic patterns.
13692 2012-05-27  Nathan Sidwell  <nathan@acm.org>
13694         * tree.c (build_constructor): Propagate TREE_SIDE_EFFECTS.
13696 2012-05-26  Jason Merrill  <jason@redhat.com>
13698         PR c++/53220
13699         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
13700         about array compound literals.
13702 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
13704         * cfgcleanup.c (try_optimize_cfg): Do not delete forwarder blocks
13705         if CLEANUP_NO_INSN_DEL.
13706         * cfgrtl.c (unique_locus_on_edge_between_p): New function extracted
13707         from cfg_layout_merge_blocks.
13708         (emit_nop_for_unique_locus_between): New function.
13709         (rtl_merge_blocks): Invoke emit_nop_for_unique_locus_between.
13710         (cfg_layout_merge_blocks): Likewise.
13712 2012-05-26  Dimitrios Apostolou  <jimis@gmx.net>
13713             Paolo Bonzini  <bonzini@gnu.org>
13715         * df-scan.c (df_def_record_1): Assert a parallel must contain an
13716         EXPR_LIST at this point.  Receive the LOC and move its extraction...
13717         (df_defs_record): ... here. Change if-else to a switch statement.
13718         (df_find_hard_reg_defs, df_find_hard_reg_defs_1): New.
13719         (df_get_call_refs): Changed defs_generated from bitmap to HARD_REG_SET
13720         and compute it from df_find_hard_reg_defs(). Record DF_REF_BASE
13721         DEFs in REGNO order. Use HARD_REG_SET instead of bitmap for
13722         regs_invalidated_by_call.
13723         (df_insn_refs_collect): Record DF_REF_REGULAR DEFs after
13724         df_get_call_refs().
13726 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
13728         PR lto/52178
13729         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
13730         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
13732 2012-05-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
13734         * config/rs6000/t-linux64: Delete the 32-bit multilib that uses
13735         software floating point emulation.  No longer build the multilibs
13736         with -mstrict-align.
13738 2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
13740         PR middle-end/53008
13741         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
13742         accessed indirectly.
13743         (ipa_tm_create_version): Same.
13745 2012-05-25  Uros Bizjak  <ubizjak@gmail.com>
13747         PR target/53474
13748         * config/i386/i386.c (ix86_print_operand) <case 'O'>: Print '.' here.
13749         <case 'C', case 'c', case 'F', case 'f'>: Print '.' only for C and c.
13751 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
13753         PR target/53435
13754         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
13755         (ix86_expand_vec_perm): Use int mode instead of float.
13756         (expand_vec_perm_pshufb): Remove handling of useseless type
13757         conversion.
13759 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
13761         PR ada/52362
13762         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
13763         gnu_ld variables to yes.
13764         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
13765         (HAVE_GNU_AS): Likewise.
13766         * config.in: Regenerate.
13767         * configure: Likewise.
13769 2012-05-25  Tristan Gingold  <gingold@adacore.com>
13771         * config/i386/i386.c (struct ix86_frame): Remove unused frame field.
13772         (ix86_compute_frame_layout): Fix type of stack_alignment_needed
13773         and preferred_alignment.
13775 2012-05-25  Tristan Gingold  <gingold@adacore.com>
13777         * common/config/ia64/ia64-common.c (ia64_except_unwind_info): Fix typo.
13779 2012-05-25  Thomas Schwinge  <thomas@codesourcery.com>
13781         * fold-const.c (optimize_bit_field_compare): Abort early in the strict
13782         volatile bitfields case.
13784 2012-05-24  Pat Haugen  <pthaugen@us.ibm.com>
13786         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
13787         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
13788         (adjacent_mem_locations): Move some code to and call...
13789         (get_memref_parts): ...new function.
13790         (mem_locations_overlap): New function.
13791         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
13792         (is_mem_ref): Rename to...
13793         (find_mem_ref): ...this. Return MEM rtx.
13794         (get_store_dest): Remove function.
13795         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
13796         new parameter and adjust calls.
13797         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
13798         mem refs overlap for true_store_to_load_dep_costly.
13799         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
13800         passed to adjacent_mem_locations.
13801         (is_costly_group): Walk resolved dependency list.
13802         (force_new_group): Emit group ending nop for Power6/Power7.
13803         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
13804         (group_ending_nop): New define_insn.
13806 2012-05-24  Dodji Seketeli  <dodji@redhat.com>
13808         Make unwound macro expansion trace less redundant
13809         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Don't print
13810         context of macro definition in the trace, when it's redundant.
13811         Update comments.
13813 2012-05-24  Richard Guenther  <rguenther@suse.de>
13815         PR middle-end/53460
13816         * tree-profile.c (tree_profiling): Cleanup the CFG if
13817         execute_fixup_cfg requests it.
13819 2012-05-24  Richard Guenther  <rguenther@suse.de>
13821         * tree-flow.h (create_var_ann): Remove.
13822         * tree-dfa.c (create_var_ann): Remove and inline into its
13823         single caller ...
13824         (add_referenced_var_1): ... here.
13825         * varpool.c (add_new_static_var): Do not call add_referenced_var
13826         for global vars.
13827         * gimple-fold.c (canonicalize_constructor_val): Likewise.
13828         * tree-switch-conversion.c (build_one_array): Likewise.
13829         * tree-profile.c (gimple_gen_ic_profiler): Likewise.
13830         * tree-flow-inline.h (gimple_referenced_vars): Guard against
13831         NULL fn argument.
13832         * tree-inline.c (remap_gimple_op_r): Likewise.  Check
13833         gimple_referenced_vars instead of gimple_in_ssa_p.
13834         (copy_tree_body_r): Likewise.
13835         (setup_one_parameter): Likewise.
13836         (declare_return_variable): Likewise.
13837         (tree_function_versioning): Likewise.
13839 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
13841         PR tree-optimization/53465
13842         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
13843         vr0 into *vr, then vrp_meet that.
13844         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
13845         have any equivalences.
13846         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
13847         first time.
13849 2012-05-24  Jim MacArthur  <jim.macarthur@arm.com>
13851         * recog.c (reg_fits_class_p): Check both regno and regno + offset are
13852         hard registers.
13853         * regs.h (in_hard_reg_set_p): Assert that regno is a hard register and
13854         check end_regno - 1 is a hard register.
13856 2012-05-24  Richard Guenther  <rguenther@suse.de>
13858         * varpool.c (add_new_static_var): Remove call to create_var_ann.
13859         * tree-ssa-operands.c (create_vop_var): Likewise.
13861 2012-05-24  Richard Guenther  <rguenther@suse.de>
13863         PR bootstrap/53466
13864         * tree-ssa-live.c (remove_unused_scope_block_p): Properly
13865         handle globals.
13866         (remove_unused_locals): Pass global_unused_vars to
13867         remove_unused_scope_block_p.  Restore code walking all
13868         referenced vars and pruning them.
13870 2012-05-23  Jan Hubicka  <jh@suse.cz>
13872         * tree.h (alias_diag_flags): Remove.
13873         (alias_pair): Remove emitted_diags.
13874         (finish_aliases_1, finish_aliases_2, remove_unreachable_alias_pairs,
13875         symbol_alias_set_t, symbol_alias_set_destroy,
13876         symbol_alias_set_contains, propagate_aliases_backward): Remove.
13877         * toplev.c (compile_file): Do not call finish_aliases_2
13878         * cgraphunit.c (cgraph_process_new_functions): Do not call
13879         finish_aliases_1.
13880         (handle_alias_pairs): Output diagnostics about aliases to externals.
13881         (assemble_thunks_and_aliases): Use do_assemble_alias.
13882         (output_weakrefs): Likewise.
13883         (finalize_compilation_unit): Do not call finish_aliases_1.
13884         * ipa.c (symtab_remove_unreachable_nodes): De not call
13885         remove_unreachable_alias_pairs.
13886         * varasm.c (do_assemble_alias): Export.
13887         (symbol_alias_set_create, symbol_alias_set_destroy,
13888         symbol_alias_set_contains, symbol_alias_set_insert,
13889         propagate_aliases_forward, propagate_aliases_backward,
13890         propagate_aliases_backward, trivially_visible_alias,
13891         trivially_defined_alias, remove_unreachable_alias_pairs,
13892         finish_aliases_1, finish_aliases_2, assemble_alias): Remove.
13893         * output.h (do_assemble_alias): Declare.
13894         * varpool.c (varpool_remove_unreferenced_decls): Do not call
13895         finish_aliases_1.
13897 2012-05-23  Martin Jambor  <mjambor@suse.cz>
13899         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
13901 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
13903         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
13904         size handling.
13905         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
13906         (iterative_hash_gimple_type): Adjust comment.
13907         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
13908         domain for an array type instead of the domain type itself.
13910 2012-05-23  Richard Guenther  <rguenther@suse.de>
13912         PR tree-optimization/53438
13913         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
13915 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
13917         PR target/53448
13918         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
13919         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
13920         ASM_OUTPUT_ALIGN.
13922 2012-05-23  Richard Guenther  <rguenther@suse.de>
13924         * tree-dfa.c (add_referenced_var_1): Do not add global vars.
13925         * tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
13926         via the global_unused_vars bitmap.
13927         (remove_unused_locals): Handle global vars in local-decls via
13928         a global_unused_vars bitmap instead of the used flag in the
13929         var annotation.  Simplify global variable handling and removal.
13931 2012-05-22  Jan Hubicka  <jh@suse.cz>
13933         PR middle-end/53426
13934         * tree-ssa-structalias.c (create_variable_info_for): Skip constructors
13935         from other partitions.
13937 2012-05-22  Jan Hubicka  <jh@suse.cz>
13939         PR middle-end/53161
13940         * symtab.c (symtab_register_node): Fix ordering issue.
13942 2012-05-22  Steven Drake <sbd@NetBSD.org>
13944         * gcc.c (do_spec_1): Add %M spec token to output multilib_os_dir.
13946 2012-05-22  David Edelsohn  <dje.gcc@gmail.com>
13948         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
13949         Use strip_name_encoding target hook.
13951 2012-05-22  Richard Guenther  <rguenther@suse.de>
13953         * tree.h (VAR_DECL_IS_VIRTUAL_OPERAND): New.
13954         (init_function_for_compilation): Remove.
13955         * tree-dfa.c (find_vars_r): Take struct function argument.
13956         (find_referenced_vars_in): Adjust.
13957         * tree-ssa-operands.c (clobber_stats): Remove.
13958         (create_vop_var): Take struct function argument.  Mark
13959         virtual operand with VAR_DECL_IS_VIRTUAL_OPERAND.
13960         (init_ssa_operands): Take struct function argument.
13961         (fini_ssa_operands): Do not dump dead stats.
13962         * tree-ssa-operands.h (init_ssa_operands): Take struct function
13963         argument.
13964         * cgraphunit.c (init_lowered_empty_function): Adjust.
13965         * lto-streamer-in.c (input_cfg): Likewise.
13966         * tree-inline.c (initialize_cfun): Likewise.
13967         * tree-into-ssa.c (rewrite_into_ssa): Likewise.
13968         * omp-low.c (expand_omp_taskreg): Likewise.  Avoid switching cfun.
13969         * gimple.c (is_gimple_reg): Optimize the SSA_NAME case,
13970         virtual operands are not registers.
13972 2012-05-22  Richard Guenther  <rguenther@suse.de>
13974         * tree-cfg.c (verify_gimple_assign_unary): Fix typo in previous commit.
13976 2012-05-22  Richard Guenther  <rguenther@suse.de>
13978         PR middle-end/53437
13979         * tree-inline.c (setup_one_parameter): Create a dummy init
13980         statement for unused parameters when not optimizing.
13982 2012-05-22  Richard Guenther  <rguenther@suse.de>
13984         * tree-flow.h (add_referenced_var_1): Declare.
13985         (add_referenced_var): Define.
13986         * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash lookup.
13987         (add_referenced_var): Rename to ...
13988         (add_referenced_var_1): ... this.  Take struct function argument.
13990 2012-05-22  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
13992         PR target/53334
13993         * config/arm/arm-protos.h (arm_validize_comparison): Declare.
13994         * config/arm/arm.c (arm_validize_comparison): Define.
13995         * config/arm/arm.md ("cbranchsi4"): Cleanup expansion and use
13996         arm_validize_comparison.
13997         ("cbranchdi4"): Likewise.
13998         ("cstoredi4"): Likewise.
13999         ("movsicc"): Likewise.
14000         ("movsfcc"): Likewise.
14001         ("movdfcc"): Likewise.
14003 2012-05-22  Dimitrios Apostolou  <jimis@gmx.net>
14005         * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
14006         the mw_reg_pool size.
14008 2012-05-22  Paolo Bonzini  <bonzini@gnu.org>
14010         PR tree-optimization/53336
14011         * tree-cfg.c (verify_gimple_assign_unary): Allow conversion from
14012         non-integer integral types to offset type and vice versa.
14014 2012-05-22  Alan Modra  <amodra@gmail.com>
14016         * config/rs6000/aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
14017         * config/rs6000/darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
14018         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE,
14019         V_SAVE_INLINE): Delete.
14020         * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete.
14021         (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic.
14022         For ELF targets, use out-of-line restores for -Os and any number
14023         of regs if the restore exits, and out-of-line gp save for two or
14024         more regs.  Use save_reg_p to test for holes in reg restore set.
14025         Replace "#if" with "if".
14027 2012-05-22  Alan Modra  <amodra@gmail.com>
14029         * config/rs6000/rs6000.c (save_reg_p): New function.
14030         (first_reg_to_save, first_fp_reg_to_save): Use it here.
14031         (first_altivec_reg_to_save, restore_saved_cr): Likewise.
14032         (emit_frame_save): Use gen_frame_store.
14033         (gen_frame_mem_offset): Correct SPE condition requiring reg+reg.
14034         (rs6000_emit_prologue): Use save_reg_p.  Use gen_frame_store for
14035         vrsave and toc.
14036         (rs6000_emit_epilogue): Use save_reg_p.  Use gen_frame_load for
14037         vrsave, toc, gp and fp restores.
14039 2012-05-22  Alan Modra  <amodra@gmail.com>
14041         * config/rs6000/rs6000.c: Delete unnecessary forward declarations.
14042         Move those with ATTRIBUTE_UNUSED to immediately before definitions.
14043         Move function pointer variables after forward declarations.
14044         (rs6000_builtin_support_vector_misalignment): Make static.
14045         (rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
14046         (rs6000_function_value, rs6000_can_eliminate): Likewise.
14048 2012-05-21  Bernd Schmidt  <bernds@codesourcery.com>
14050         PR rtl-optimization/53373
14051         * caller-save.c (save_call_clobbered_regs): Look into a possible
14052         PARALLEL manually rather than using single_set on a call insn.
14054 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
14056         PR tree-optimization/53436
14057         * omp-low.c (omp_build_component_ref): New function.
14058         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
14060 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
14062         * config/i386/i386.c (put_condition_code): Change "reverse" and "fp"
14063         arguments to bool.
14064         (ix86_print_operand) <case 'O'>: Look at mode size of the operand.
14065         Do not print '.' here.  Output operand lossage error for unhandled
14066         sizes.  Move.
14067         <case '*'>: Move.
14068         <case '&'>: Ditto.
14069         <case 'Y'>: Ditto.
14070         <case 'z'>: Hardcode "code" argument into error strings.
14071         <case 'Z'>: Ditto.
14072         <case 'D'>: Merge AVX and non-AVX codes.
14073         <case 'C', case 'c', case 'F', case 'f'>: Merge.  Fix error string.
14074         Update call to put_condition_code.
14076 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
14078         * config/m68k/m68k.md (*clzsi2_cf): Renamed from clzsi2.  Call
14079         CC_STATUS_INIT.
14080         (clzsi2): New expander.
14081         (*clzsi2_68k): New insn.
14082         * config/m68k/m68k.h: Update comment about CLZ_DEFINED_VALUE_AT_ZERO.
14084 2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
14086         * gimple.h (gimple_set_in_transaction): Remove.
14087         (gimple_in_transaction): Look in BB instead.
14088         (gimple_statement_base): Remove in_transaction field.
14089         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
14090         * trans-mem.c (compute_transaction_bits): Place transaction bit
14091         information into basic blocks.
14093 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
14095         * expr.c (get_def_for_expr_class): Define only if
14096         HAVE_conditional_move.
14097         (convert_tree_comp_to_rtx): Likewise.
14099 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
14101         PR target/53399
14102         * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
14103         for TARGET_BMI.
14104         (ffssi2_no_cmove): Ditto.
14105         (*ffs<mode>_1): Remove insn pattern.
14106         (*tzcnt<mode>_1): New insn pattern.
14107         (*bsf<mode>1): Ditto.
14109 2012-05-21  Richard Guenther  <rguenther@suse.de>
14111         * tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
14112         more referenced vars.
14113         * tree-ssa-live.c (mark_all_vars_used_1): Only set the used
14114         flag on variables that have a var-annotation.
14116 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
14118         PR c/53418
14119         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
14120         from folded operands before wrapping another around the
14121         conditional expression.
14123 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
14125         PR tree-optimization/53366
14126         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
14127         tests if complex_numbers == 2, but there are non-complex number loads
14128         too.
14130         PR tree-optimization/53409
14131         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
14132         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
14134         PR tree-optimization/53410
14135         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
14136         instead of build_int_cst (type, 0) where vector types might be
14137         involved. Instead of build_int_cst (type, 1) convert the original
14138         integer_onep argument to the desired type.
14140 2012-05-21  Michael Matz  <matz@suse.de>
14142         * genattrtab.c (attr_rtx_cost): Move earlier, start with cost being 1.
14143         (simplify_test_exp): Handle one more case of distributive law,
14144         decrease cost threshold.
14145         (tests_attr_p, get_attr_order): New functions.
14146         (optimize_attrs): Use topological order, inline only cheap values.
14147         (write_attr_set): Reset our_known_true after some time.
14149 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
14151         PR target/53425
14152         * config/i386/i386.c (type_natural_mode): Warn passing SSE
14153         vector argument without SSE enabled changes the ABI.
14155 2012-05-21  Richard Guenther  <rguenther@suse.de>
14157         PR tree-optimization/53408
14158         * tree-vect-loop.c (vectorizable_induction): Properly check
14159         the restriction that we cannot handle induction results from
14160         the inner loop outside of the outer loop.
14162 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
14164         PR target/53416
14165         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
14166         (UNSPECV_RDRAND): This.
14167         (rdrand<mode>_1): Updated.
14169 2012-05-21  Richard Guenther  <rguenther@suse.de>
14171         * tree-loop-distribution.c (can_generate_builtin): Reject
14172         volatile stmts.
14174 2012-05-21  Chung-Lin Tang  <cltang@codesourcery.com>
14176         * Makefile.in (options.c): Add options.h to included header
14177         files, before tm.h.
14179 2012-05-21  Razya Ladelsky  <razya@il.ibm.com>
14181         * tree-parloops.c : Add myself to contributors, update
14182         TODO list, add link to wiki.
14184 2012-05-21  Alan Modra  <amodra@gmail.com>
14186         * config/rs6000/predicates.md (input_operand): Don't match
14187         constant pool addresses.  Remove label_ref, high and plus from
14188         match_code list.  Remove redundant CONSTANT_P test.
14189         (splat_input_operand): Similarly update match_code list.
14190         (small_toc_ref): New predicate.
14191         * config/rs6000/rs6000-protos.h (toc_relative_expr_p): Update prototype.
14192         * config/rs6000/rs6000.c (tocrel_base, tocrel_offset): Make const.
14193         (legitimate_constant_pool_address_p): Move TARGET_TOC test and
14194         register checks to..
14195         (toc_relative_expr_p): ..here.  Add "strict" param.  Match new rtl
14196         generated by create_TOC_reference.
14197         (rs6000_legitimize_address): Update cerate_TOC_reference call.
14198         (rs6000_delegitimize_address): Handle new rtl for toc refs.
14199         (rs6000_cannot_force_const_mem, rs6000_find_base_term): Likewise.
14200         (use_toc_relative_ref): New function, split out from..
14201         (rs6000_emit_move): ..here.  Remove redundant tests.  Update
14202         create_TOC_reference calls.
14203         (rs6000_legitimize_reload_address): Formatting.  Handle splitting
14204         of medium/large model toc addresses.  Use use_toc_relative_ref.
14205         (print_operand): Formatting, style.  Adjust for toc changes.
14206         (print_operand_address): Likewise.
14207         (rs6000_output_addr_const_extra): Likewise.
14208         (create_TOC_reference): Put TOC_REGISTER in UNSPEC_TOCREL rather
14209         than a PLUS.  Use this formulation for both high and low part
14210         of -mcmodel=medium/large toc reference too.  Before reload,
14211         always use the small model formulation.
14212         * config/rs6000/rs6000.md (tls_gd, tls_gd_high): Similarly avoid
14213         a PLUS in high part of addresses here.
14214         (tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
14215         (tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
14216         (largetoc_high, largetoc_low): Move earlier.  Cope when no
14217         base reg available.
14218         (largetoc_high_plus): New insn.
14219         (movsi_internal1, movsi_internal1_single, movsf_softfloat,
14220         movdi_mfpgpr, movdi_internal64): Don't handle 'R' constraint here..
14221         (tocref): ..instead do so here, new insn and split.
14223 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
14225         * config/i386/driver-i386.c (host_detect_local_cpu): Support
14226         RDRND, F16C and FSGSBASE.
14228 2012-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14230         PR rtl-optimzation/53373
14231         * config/pa/pa.md (call_symref_pic): Don't expose PIC register save in
14232         call pattern.  Update split patterns.
14233         (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
14234         call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
14236 2012-05-20  Razya Ladelsky  <razya@il.ibm.com>
14238         * tree-parloops.c (gen_parallel_loop): Change many_iterations_cond
14239         for outer loops.
14241 2012-05-18  Jan Hubicka  <jh@suse.cz>
14243         * cgraphunit.c (handle_alias_pairs): Declare; free alias_pairs
14244         (cgraph_process_new_functions): Process also aliases.
14245         * lto-streamer-out.c (struct sets): Remove.
14246         (trivally_defined_alias): Remove.
14247         (output_alias_pair_p): Remove.
14248         (output_unreferenced_globals): Remove.
14249         (produce_symtab); Do not handle alias pairs.
14250         (produce_asm_for_decls): Likewise.
14251         * lto-streamer-in.c (input_alias_pairs): Remove.
14252         (lto_read_body): Do not input alias pairs.
14253         (lto_input_constructors_and_inits): Remove.
14255 2012-05-18  Jan Hubicka  <jh@suse.cz>
14257         * cgraphunit.c (handle_alias_pairs): Cleanup; handle all types of
14258         aliases.
14260 2012-05-18  Jan Hubicka  <jh@suse.cz>
14262         * cgraphbuild.c (record_reference): Update.
14263         * lto-cgraph.c (lto_output_varpool_node): External vars
14264         are not in other partition even if they are not output
14265         in current partition.
14266         * gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
14267         argument; fix.
14268         (canonicalize_constructor_val): Take FROM_DECL argument.
14269         (fold_ctor_reference, fold_string_cst_ctor_reference,
14270         fold_array_ctor_reference, fold_nonarray_ctor_reference,
14271         fold_ctor_reference): Likewise.
14272         (fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
14273         * gimple.h (gimple_fold_builtin): Likewise.
14275 2012-05-18  Olivier Hainque  <hainque@adacore.com>
14277         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
14278         $(libsubdir) as libexecsubdir.
14280 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14282         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
14283         relied on signed overflow behavior.
14285 2012-05-18  Richard Guenther  <rguenther@suse.de>
14287         PR tree-optimization/53346
14288         * tree-loop-distribution.c (ldist_gen): Make sure to apply
14289         builtin transform even when only a single partition with
14290         all reads/writes exists.
14292 2012-05-18  Richard Guenther  <rguenther@suse.de>
14294         PR tree-optimization/53390
14295         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
14296         strided loads.
14298 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14300         * tree-ssa-reassoc.c (bip_map): Remove decl.
14301         (completely_remove_stmt): Remove function.
14302         (remove_def_if_absorbed_call): Remove function.
14303         (remove_visited_stmt_chain): Remove __builtin_powi handling.
14304         (possibly_move_powi): Remove function.
14305         (rewrite_expr_tree): Remove calls to possibly_move_powi.
14306         (rewrite_expr_tree_parallel): Likewise.
14307         (attempt_builtin_powi): Build multiplies explicitly rather than
14308         relying on the ops vector and rank system.
14309         (transform_stmt_to_copy): New function.
14310         (transform_stmt_to_multiply): Likewise.
14311         (reassociate_bb): Handle leftover operations after __builtin_powi
14312         optimization; build a final multiply if necessary.
14314 2012-05-18  Jan Hubicka  <jh@suse.cz>
14316         * cgraphunit.c (varpool_finalize_decl): Allow external decls.
14317         (mark_functions_to_output): Fix sanity check.
14318         * ipa.c (function_and_variable_visibility): Remove TREE_STATIC check.
14320 2012-05-18  Richard Guenther  <rguenther@suse.de>
14322         * tree-flow.h (mark_symbols_for_renaming): Remove.
14323         * tree-dfa.c (mark_symbols_for_renaming): Likewise.
14324         * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming.
14325         (copy_debug_stmt): Likewise.
14326         (expand_call_inline): Likewise.
14327         (declare_return_variable): Mark the return variable for renaming
14328         if necessary.
14330 2012-05-18  Andrew Stubbs  <ams@codesourcery.com>
14332         * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
14333         prototype.
14334         * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
14335         * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
14336         (ashrdi3,lshrdi3): Likewise.
14337         (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
14339 2012-05-18  Meador Inge  <meadori@codesourcery.com>
14341         PR rtl-optimization/53352
14342         * cse.c (equiv_constant): Ignore paradoxical subregs.
14344 2012-05-17  Steven Bosscher  <steven@gcc.gnu.org>
14346         PR rtl-optimization/53125
14347         * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
14348         argument.  Simplify calculation of REG_LIVE_LENGTH for regnos that
14349         die in the basic block.  Correctly top off REG_FREQ and
14350         REG_FREQ_CALLS_CROSSED.
14351         Remove do_not_gen.
14352         (regstat_compute_ri): Allocate and free local_live_last_luid.
14353         Remove do_not_gen.
14354         (regstat_bb_compute_calls_crossed): Correctly top off
14355         REG_FREQ_CALLS_CROSSED.
14357 2012-05-17  Jan Hubicka  <jh@suse.cz>
14359         * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with
14360         constructor over decl without.
14361         * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
14362         * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
14363         * cgraphunit.c (process_function_and_variable_attributes): Finalize
14364         extrnal decls.
14365         (mark_functions_to_output): Also accept bodies for functions with
14366         clones.
14367         (output_in_order): Skip external vars.
14368         * lto-cgraph.c (lto_output_node): External functions are never in other
14369         partition.
14370         (lto_output_varpool_node): Likewise.
14371         * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
14372         forgotten initializers.
14373         * ipa.c (process_references): Handle external vars.
14374         (symtab_remove_unreachable_nodes): Update to handle external vars.
14375         (varpool_externally_visible_p): External vars are externally visible.
14376         * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
14377         * varpool.c (varpool_remove_node): Remove constructor.
14378         (decide_is_variable_needed): Handle externals.
14379         (varpool_remove_unreferenced_decls): Likewise.
14381 2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14383         * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
14384         (enable_warning_as_error): Do not special case Wuninitialized.
14385         * optc-gen.awk: Add sanity checks.
14387 2012-05-17  Jan Hubicka  <jh@suse.cz>
14389         * ipa-reference.c (is_proper_for_analysis): Do not check flags
14390         that might change as result of global optimization.
14391         (analyze_function): Do not check analyzed and externally_visible
14392         flags; be happy about address dereferences.
14393         (propagate): Prune all_module_statics so it really contains just
14394         statics; prune all the local summaries.
14395         (ipa_reference_write_optimization_summary): Simplify.
14397 2012-05-17  Kwok Cheung Yeung  <kcy@codesourcery.com>
14399         * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm, 51qm.
14400         * config/m68k/m68k-tables.opt: Regenerated.
14401         * doc/invoke.texi (M680x0 Options): Document.
14403 2012-05-16  Dave Boutcher  <daveboutcher@gmail.com>
14404             Patrick Marlier  <patrick.marlier@gmail.com>
14406         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
14407         indirect calls.
14409 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
14411         * configure: Regenerated.
14413 2012-05-16  Andrew Pinski  <apinski@cavium.com>
14415         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
14416         GIMPLE_ASSIGN.
14418 2012-05-16  David S. Miller  <davem@davemloft.net>
14420         * jump.c (delete_related_insns): If we remove a CALL, make sure
14421         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
14423 2012-05-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14425         PR tree-optimization/53217
14426         * tree-ssa-reassoc.c (bip_map): New static variable.
14427         (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
14428         (attempt_builtin_powi): Save feeding multiplies on a stack.
14429         (reassociate_bb): Create and destroy bip_map.
14431 2012-05-16  Olivier Hainque  <hainque@adacore.com>
14433         * Makefile.in (install-no-fixedincludes): New target, former toplevel
14434         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
14435         Add comments and improve stamp preservation across the whole sequence.
14436         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
14438 2012-05-16  Richard Guenther  <rguenther@suse.de>
14440         * tree-inline.c (insert_init_stmt): Do not call
14441         mark_symbols_for_renaming.
14442         (setup_one_parameter): Avoid initializing unused parameters.
14443         (declare_return_variable): Properly handle DECL_BY_REFERENCE
14444         return vars in SSA form.
14446 2012-05-16  Richard Guenther  <rguenther@suse.de>
14448         * tree-flow.h (get_virtual_var): Remove.
14449         * tree-dfa.c (get_virtual_var): Likewise.
14451 2012-05-16  Richard Guenther  <rguenther@suse.de>
14453         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
14454         Remove set-only bitmap of new names.
14455         (slpeel_tree_peel_loop_to_edge): Likewise.  Do not set
14456         CFG hooks.
14457         * tree-flow.h (ssa_names_to_replace): Remove.
14458         * tree-into-ssa.c (ssa_names_to_replace): Likewise.
14460 2012-05-16  Richard Guenther  <rguenther@suse.de>
14462         PR tree-optimization/53364
14463         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
14464         detect a view-conversion of the decl.
14466 2012-05-16  Dodji Seketeli  <dodji@redhat.com>
14468         PR preprocessor/7263
14469         * c-tree.h (enum c_declspec_word): Declare new enum.
14470         (struct c_declspecs::locations): New member.
14471         (declspecs_add_qual, declspecs_add_scspec)
14472         (declspecs_add_addrspace, declspecs_add_alignas): Take a new
14473         location parameter.
14474         * c-decl.c (build_null_declspecs): Initialize the new struct
14475         c_declspecs::locations member.
14476         (declspecs_add_addrspace): Take a location parameter for the
14477         address space.  Store it onto declaration specifiers.
14478         (declspecs_add_qual): Likewise, take a location parameter for the
14479         qualifier.
14480         (declspecs_add_type): Likewise, take a location parameter for the
14481         type specifier.
14482         (declspecs_add_scspec): Likewise, take a location parameter for
14483         the storage class specifier.
14484         (declspecs_add_attrs): Likewise, take a location parameter for the
14485         first attribute.
14486         (declspecs_add_alignas): Likewise, take a location parameter for
14487         the alignas token.
14488         (finish_declspecs): For diagnostics, use the location of the
14489         relevant declspec, instead of the global input_location.
14490         * c-parser.c (c_parser_parameter_declaration): Pass the precise
14491         virtual location of the declspec to the declspecs-setters.
14492         (c_parser_declspecs): Likewise.  Avoid calling c_parser_peek_token
14493         repeatedly.
14495 2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
14497         * configure.ac: Stack protector enabling for Android targets.
14498         * configure: Regenerate.
14500 2012-05-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
14502         * ira.c (pseudo_move_insn): Delete.
14503         (find_moveable_pseudos): Don't set it.
14504         (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
14505         the definitions of the original pseudo.  Delete all of them.
14507 2012-05-16  Olivier Hainque  <hainque@adacore.com>
14509         * config/rs6000/rs6000-opts.h (enum processor_type): Add
14510         PROCESSOR_PPC8548.
14511         * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
14512         * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
14513         * config/rs6000/8540.md: indicate that the units/patterns apply to
14514         ppc8548 as well.
14516         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
14517         default_cpu into implicit_cpu, conveying what --with-cpu was passed at
14518         configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
14519         related flags,  check that what is queried is supported by the selected
14520         configuration. Rework the single/double_float and MASK_STRING resets to
14521         hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
14522         costs for PROCESSOR_PPC8548 as well.
14523         (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
14524         (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
14525         statement instead of a sequence of ifs.
14527         * config/rs6000/rs6000.h (TARGET_E500): Remove.
14528         (TARGET_NO_LWSYNC): Adjust accordingly.
14529         * config/rs6000/e500.h (TARGET_E500): Remove.
14530         (CHECK_E500_OPTIONS): Adjust accordingly.
14531         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
14532         (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
14533         * config/rs6000/linuxspe.h: Likewise.
14534         * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
14535         superfluous comments.
14536         * config/rs6000/e500-double.h: Remove.
14538         * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
14539         default to with_cpu=8548 if --enable-e500-double, and to 8540
14540         otherwise.
14541         (set misc flags section): For powerpc*|rs6000*, remove inclusion
14542         of e500-double.h for --enable-e500-double.
14544 2012-05-16  Olivier Hainque  <hainque@adacore.com>
14546         * Makefile.in (s-header-vars): Resort to -n instead of trailing
14547         -e d in sed invocation.
14549 2012-05-16  Hans-Peter Nilsson  <hp@axis.com>
14551         * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
14552         source-code.
14553         * doc/tm.texi: Regenerate.
14555 2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
14557         * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
14559 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
14561         PR target/53358
14562         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
14563         that operands[2] is either immediate, or q_regs_operand.
14565 2012-05-15  Richard Guenther  <rguenther@suse.de>
14567         * cgraphunit.c (thunk_adjust): Use make_rename_temp.
14568         (assemble_thunk): Likewise.  Manually rename and register
14569         function arguments.
14571 2012-05-15  Richard Guenther  <rguenther@suse.de>
14573         PR tree-optimization/53355
14574         * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
14575         by constants.
14577 2012-05-15  Tristan Gingold  <gingold@adacore.com>
14579         * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
14581 2012-05-15  Richard Guenther  <rguenther@suse.de>
14583         * gimple.c (gimple_set_modified): Move ...
14584         * gimple.h (gimple_set_modified): ... here.
14586 2012-05-15  Tristan Gingold  <gingold@adacore.com>
14588         * ira-color.c (move_spill_restore): Add a guard.
14590 2012-05-15  Tristan Gingold  <gingold@adacore.com>
14592         * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
14593         plus_constant.
14595 2012-05-15  Eric Botcazou  <ebotcazou@adacore.com>
14597         * gimplify.c (gimplify_init_constructor): Do a block move for very
14598         small objects as well.
14600 2012-05-15  Bernd Schmidt  <bernds@codesourcery.com>
14602         * ira.c (find_moveable_pseudos): Skip registers whose
14603         DF_REG_EQ_USE_COUNT is nonzero.
14605 2012-05-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
14607         * doc/md.texi (fma): Define to only be applicable for single rounding.
14609 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
14611         PR target/46098
14612         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
14613         generate target register for "load" class builtins.
14615         Revert:
14616         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
14618         PR target/46098
14619         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
14620         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
14621         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
14622         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
14623         (<sse>_movu<ssemodesuffix>): New expander.
14624         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
14625         (avx_movdqu<avxmodesuffix>): New expander.
14626         (*sse2_movdqu): Rename from sse2_movdqu.
14627         (sse2_movdqu): New expander.
14629 2012-05-14  Marc Glisse  <marc.glisse@inria.fr>
14631         PR target/52607
14632         * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
14633         (canonicalize_perm): ... new function.
14634         (expand_vec_perm_2vperm2f128_vshuf): New function.
14635         (ix86_expand_vec_perm_const_1): Call it.
14637 2012-05-14  Andrew Pinski  <apinski@cavium.com>
14638             H.J. Lu  <hongjiu.lu@intel.com>
14639             Jakub Jelinek  <jakub@redhat.com>
14641         PR target/53315
14642         * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
14643         (xbegin): Updated.
14645 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
14647         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
14648         lineno 1 the same as lineno 0 before first start file directive.
14649         (optimize_macinfo_range): Likewise.
14651         * dwarf2out.c (have_macinfo): Define.
14652         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
14653         attribute, don't force empty compilation unit and don't emit any
14654         .debug_macinfo/.debug_macro section if macinfo_table is empty.
14656 2012-05-14  Georg-Johann Lay  <avr@gjlay.de>
14658         PR target/53344
14659         * config/avr/avr.c (avr_const_address_lo16): Remove.
14660         (avr_assemble_integer):  Print ".byte lo8(x)",
14661         ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
14662         .warning if 3-byte address is assembled.
14663         * doc/extend.texi (AVR Named Address Spaces): Document that
14664         binutils 2.23 is needed to assemble 3-byte addresses.
14666 2012-05-14  Richard Guenther  <rguenther@suse.de>
14668         * tree-vect-data-refs.c (vect_setup_realignment): Remove
14669         call to mark_symbols_for_renaming.
14670         (vect_permute_load_chain): Likewise.
14671         * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
14672         instead of calling mark_symbols_for_renaming.
14673         * tree-vect-stmts.c (read_vector_array): Remove call to
14674         mark_symbols_for_renaming.
14675         (write_vector_array): Likewise.
14676         (vectorizable_call): Likewise.
14677         (vectorizable_store): Likewise.
14678         (vectorizable_load): Likewise.
14679         * matrix-reorg.c (transform_allocation_sites): Likewise.
14680         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
14681         (create_expression_by_pieces): Likewise.
14683 2012-05-14  Richard Guenther  <rguenther@suse.de>
14685         * gimplify.c (gimple_regimplify_operands): Only mark the LHS
14686         of statements for renaming.
14687         (force_gimple_operand_1): Likewise, consistently for both
14688         calls to force_gimple_operand and force_gimple_operand_gsi.
14690 2012-05-14  Richard Guenther  <rguenther@suse.de>
14692         * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
14693         * omp-low.c (expand_omp_taskreg): Properly conditionalize call
14694         to update_ssa.
14695         (expand_omp_for): Likewise.
14696         (expand_omp_for_generic): Adjust conditional add to referenced vars.
14697         Use make_rename_temp for temporaries that should be rewritten into
14698         SSA form.
14699         (expand_omp_for_static_nochunk): Likewise.
14700         (expand_omp_atomic_pipeline): Likewise.
14702 2012-05-14  Richard Guenther  <rguenther@suse.de>
14704         PR tree-optimization/53331
14705         * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
14706         strided loads.
14707         * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
14709 2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14711         PR 53063
14712         * doc/options.texi: (LangEnabledBy): Document it.
14713         * optc-gen.awk: Handle LangEnabledBy.
14714         * opth-gen.awk: Generate declaration for lang-specific functions.
14715         * opt-read.awk: Record lang numbers.
14716         * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
14717         (lang_sanitized_name): New.
14719 2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>
14721         * attribs.c (decl_attributes): Avoid emitting a warning if
14722         ATTR_FLAG_BUILT_IN.
14723         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
14724         codes.  Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
14725         * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define.  Use it to
14726         define a string "1".
14727         (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
14728         * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
14729         BUILT_IN_STRCPY): Use it for these functions.
14730         * postreload.c (reload_combine): Deal with SETs inside
14731         CALL_INSN_FUNCTION_USAGE.
14732         * caller-save.c (setup_save_areas, save_call_clobbered_regs):
14733         Look for REG_RETURNED notes and use a cheap restore if possible.
14734         * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
14735         (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
14736         * ira-build.c (ira_create_allocno, create_cap_allocno,
14737         propagate_allocno_info, propagate_some_info_from_allocno,
14738         copy_info_to_removed_store_destination, ira_flattening): Handle it.
14739         * ira-lives.c (pseudo_regno_single_word_and_live_p,
14740         find_call_crossed_cheap_reg): New static functions.
14741         (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
14742         and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible.  Also make
14743         a REG_RETURNED note in that case.
14744         * ira.c (setup_reg_renumber): Change assert to allow cases where
14745         allocnos only cross calls for which they are cheap to restore.
14746         * ira-costs.c (ira_tune_allocno_costs): Compare
14747         ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
14748         than 0.
14749         * reg-notes.def (REG_RETURNED): New note.
14750         * cse.c (cse_insn): Likewise.
14751         * sched-deps.c (sched_analyze_insn): Likewise.
14752         * expr.c (init_block_move_fn): Set a "fn spec" attribute.
14753         * calls.c (decl_return_flags): New static function.
14754         (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
14755         functions that return one of their arguments.
14756         * regcprop.c (struct kill_set_value_data): New.
14757         (kill_set_value): Interpret data as a pointer to such a struct.
14758         Do nothing if the caller wants the register to be ignored.
14759         (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
14761 2012-05-14  Richard Guenther  <rguenther@suse.de>
14763         PR tree-optimization/53340
14764         * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
14766 2012-05-14  Richard Guenther  <rguenther@suse.de>
14768         * gimplify.c (gimplify_expr): Remove odd code.
14770 2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
14772         * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
14773         into a PLUS_EXPR byte offset.
14775         * tree-ssa-pre.c (can_value_number_call): Delete.
14776         (compute_avail): Skip all statements with side effects.
14777         <GIMPLE_CALL>: Skip calls to internal functions.
14779 2012-05-13  Steven Bosscher  <steven@gcc.gnu.org>
14781         * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
14783 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14785         * common.opt (Wtype-limits): Use EnabledBy.
14787 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
14789         * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
14790         (pushtf splitter): Ditto.
14791         (movtf): Ditto.
14792         (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
14793         (<code>tf2): Enable for TARGET_SSE.
14794         (*absnegtf2_sse): Ditto.
14795         (copysign<mode>3): Enable TFmode for TARGET_SSE.
14796         (copysign<mode>3_const): Ditto.
14797         (copysign<mode>3_var): Ditto.
14798         * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
14799         (*andnottf3): Ditto.  Use V4SFmode for !TARGET_SSE2.
14800         (*<code>tf3): Ditto.
14801         * config/i386/i386.c (struct builtin_description bdesc_args)
14802         <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
14803         <IX86_BUILTIN_COPYSIGNQ>: Ditto.
14804         (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
14805         Emit a normal call if SSE isn't available.
14807 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
14809         * config/i386/sse.md (<sse>_andnot<mode>3): Handle
14810         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
14811         (<code><mode>3): Ditto.
14812         (*andnot<mode>3): Ditto.
14813         (*andnottf3): Ditto.
14814         (*<code><mode>3): Ditto.
14815         (<code>tf3): Ditto.
14817 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14819         * optc-gen.awk: Error instead of warning for conflicting help.
14821 2012-05-12  Jason Merrill  <jason@redhat.com>
14823         PR debug/53235
14824         * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
14825         comdat types.
14827 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
14829         * function.c (requires_stack_frame_p): If the function can throw
14830         non-call exceptions, return true if the insn can throw internally.
14832 2012-05-12  Paolo Carlini  <paolo.carlini@oracle.com>
14834         * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
14836 2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
14838         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
14839         ORDERED and UNORDERED conditions.
14841 2012-05-11  Richard Guenther  <rguenther@suse.de>
14843         * tree-flow.h (referenced_var_check_and_insert): Remove.
14844         (find_new_referenced_vars): Likewise.
14845         * tree-dfa.c (referenced_var_check_and_insert): Make static.
14846         (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
14847         * tree-inline.c (copy_bb): Use find_referenced_vars_in
14848         instead of find_new_referenced_vars.
14849         * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
14851 2012-05-11  Richard Guenther  <rguenther@suse.de>
14853         * tree-pass.h (pass_rest_of_compilation,
14854         pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
14855         Remove.
14856         * passes.c (pass_all_optimizations, pass_postreload,
14857         pass_all_early_optimizations): Make static.
14858         (pass_rest_of_compilation): Likewise.  Make it an RTL_PASS.
14859         * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
14860         * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
14861         (delete_tree_ssa): Do not call fini_phinodes.
14862         * tree-flow.h (init_phinodes, fini_phinodes): Remove.
14864 2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14866         PR 53063
14867         * doc/options.texi (EnabledBy): Document
14868         * opts.c: Include opts.h and options.h before tm.h.
14869         (finish_options): Do not handle some sub-options here...
14870         (common_handle_option): ... instead call common_handle_option_auto
14871         here.
14872         * optc-gen.awk: Handle EnabledBy.
14873         * opth-gen.awk: Declare common_handle_option_auto.
14874         * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
14875         (Wmaybe-uninitialized): Likewise.
14876         (Wunused-but-set-variable): Likewise.
14877         (Wunused-function): Likewise.
14878         (Wunused-label): Likewise.
14879         (Wunused-value): Likewise.
14880         (Wunused-variable): Likewise.
14881         * opt-read.awk: Create opt_numbers array.
14883 2012-05-11  Richard Guenther  <rguenther@suse.de>
14885         PR tree-optimization/53295
14886         * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
14887         strides.
14888         * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
14889         strides when analyzing data-references in a loop context.
14890         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
14891         non-constant strides for now.
14892         (vect_enhance_data_refs_alignment): Ignore data references
14893         that are strided loads.
14894         (vect_analyze_data_ref_access): Handle non-constant strides.
14895         (vect_check_strided_load): Verify the data-reference is a load.
14896         (vect_analyze_data_refs): Restructure to make strided load
14897         support not dependent on gather support.
14898         * tree-vect-stmts.c (vectorizable_load): Avoid useless work
14899         when doing strided or gather loads.
14900         * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
14901         integer_zerop to compare stride with zero.
14903 2012-05-11  H.J. Lu  <hongjiu.lu@intel.com>
14905         * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
14907 2012-05-11  Jan Hubicka  <jh@suse.cz>
14909         PR bootstrap/53300
14910         * varpool.c (varpool_assemble_decl): Also output constat pool entries
14911         that output_constant_pool missed.
14913 2012-05-11  Mingjie Xing  <mingjie.xing@gmail.com>
14915         * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
14916         MULTILIB_EXTRA_OPTS.
14918 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
14920         PR target/53291
14921         * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
14923 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
14925         * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
14926         optimization for TARGET_AVX.
14927         (*movti_internal_sse): Ditto.
14928         (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
14929         (*movdi_internal): Ditto.
14930         (*movsi_internal): Ditto.
14931         (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
14932         (*movdf_internal_rex64): Ditto.
14933         (*movfd_internal): Ditto.
14934         (*movsf_internal): Ditto.
14935         * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
14937 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
14939         * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
14940         reference as size attribute.
14942 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
14943             Tristan Gingold  <gingold@adacore.com>
14945         * doc/md.texi (Standard Names): Document probe_stack_address.
14946         * explow.c (emit_stack_probe): Handle probe_stack_address.
14947         * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
14948         (UNSPECV_PROBE_STACK_RANGE): Likewise.
14949         (probe_stack_address): New insn.
14950         (probe_stack_range): Likewise.
14951         * config/ia64/ia64.c: Include common/common-target.h.
14952         (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
14953         checking is enabled.
14954         (ia64_emit_probe_stack_range): New function.
14955         (output_probe_stack_range): Likewise.
14956         (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
14957         builtin stack checking is enabled.
14958         (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
14959         and UNSPECV_PROBE_STACK_ADDRESS.
14960         (unknown_for_bundling_p): New predicate.
14961         (group_barrier_needed): Use important_for_bundling_p.
14962         (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
14963         (issue_nops_and_insn): Likewise.
14964         (bundling): Likewise.
14965         (final_emit_insn_group_barriers): Likewise.
14966         * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
14967         * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
14968         (STACK_CHECK_PROTECT): Likewise.
14969         * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
14971 2012-05-10  Jan Hubicka  <jh@suse.cz>
14973         * ipa-inline.c (update_all_callee_keys): Remove.
14974         (inline_small_functions): Simplify priority updating.
14976 2012-05-10  Jan Hubicka  <jh@suse.cz>
14978         * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
14980 2012-05-10  Jan Hubicka  <jh@suse.cz>
14982         * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
14983         (symtab_remove_unreachable_nodes): ... this one.
14984         * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
14985         * cgraphunit.c (ipa_passes): Update.
14986         * cgraphclones.c (cgraph_materialize_all_clones): Update.
14987         * cgraph.c (cgraph_release_function_body): Only turn initial
14988         into error mark when initial was previously set.
14989         * ipa-inline.c (ipa_inline): Update.
14990         * ipa.c: Include ipa-inline.h
14991         (enqueue_cgraph_node, enqueue_varpool_node): Remove.
14992         (enqueue_node): New function.
14993         (process_references): Update.
14994         (symtab_remove_unreachable_nodes): Cleanup.
14995         * passes.c (execute_todo, execute_one_pass): Update.
14997 2012-05-10  Vladimir Makarov  <vmakarov@redhat.com>
14999         PR rtl-optimization/53125
15000         * ira.c (ira): Call find_moveable_pseudos and
15001         move_unallocated_pseudos if only ira_conflicts_p is true.
15003 2012-05-10  Uros Bizjak  <ubizjak@gmail.com>
15005         * config/i386/i386.md (*movoi_internal_avx): Handle
15006         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
15007         (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
15008         (*movti_internal_sse): Ditto.
15009         (*movtf_internal): Ditto.
15010         * config/i386/sse.md (ssePSmode): New mode attribute.
15011         (*move<mode>_internal): Use ssePSmode.
15012         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
15013         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
15014         * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
15015         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
15017 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
15019         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
15020         DECL_ORIGINAL_TYPE if it is present.
15022 2012-05-10  Nick Clifton  <nickc@redhat.com>
15024         PR target/53120
15025         * config/m32c/bitops.md (bset_qi): Change operand 2 from having
15026         a "0" constraint to being a (match_dup 0).
15028 2012-05-10  Richard Guenther  <rguenther@suse.de>
15030         * stor-layout.c (byte_from_pos): Amend comment.
15032 2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
15034         * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
15035         Document requirement to call in constructors.
15037         * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
15039 2012-05-10  Richard Guenther  <rguenther@suse.de>
15041         * tree.h (TYPE_IS_SIZETYPE): Remove.
15042         * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
15043         (extract_muldiv_1): Likewise.
15044         * gimple.c (gtc_visit): Likewise.
15045         (gimple_types_compatible_p): Likewise.
15046         (iterative_hash_canonical_type): Likewise.
15047         (gimple_canonical_types_compatible_p): Likewise.
15048         * gimplify.c (gimplify_one_sizepos): Likewise.
15049         * print-tree.c (print_node): Likewise.
15050         * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
15052 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
15054         PR target/52908
15055         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
15056         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
15057         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
15058         instead of xop_mulv2div2di3_low.
15059         (xop_p<macs>dql): Fix vec_select selector.
15060         (xop_p<macs>dqh): Ditto.
15061         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
15062         (xop_mulv2div2di3_high): Ditto.
15064 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15066         PR c++/53289
15067         * diagnostic.h (diagnostic_context): Add last_location.
15068         * diagnostic.c (diagnostic_initialize): Initialize it.
15069         (diagnostic_show_locus): Use it.
15071 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15073         * doc/extend.texi (Function Attributes): Point xref to section
15074         about Pragmas.
15076 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
15078         * config/i386/i386.c (*movdf_internal_rex64): Remove
15079         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
15080         Calculate "mode" attribute according to
15081         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
15082         (*movdf_internal): Ditto.
15084 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
15086         PR target/44141
15087         * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
15088         128 bit vectors specially for TARGET_AVX.  Emit sse2_movupd and
15089         sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
15090         or when optimizing for size.
15091         * config/i386/sse.md (*mov<mode>_internal): Remove
15092         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
15093         Calculate "mode" attribute according to optimize_function_for_size_p
15094         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
15095         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
15096         depending on the mode of the instruction.  Calculate "mode" attribute
15097         according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
15098         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
15099         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
15101 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
15103         PR target/53256
15104         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
15105         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
15106         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
15107         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
15108         (expand_prologue): Move initialization of cfun->machine->is_naked,
15109         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
15110         (avr_set_current_function): ...this new static function.
15111         (TARGET_SET_CURRENT_FUNCTION): New define.
15112         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
15113         checking attributes of current_function_decl.
15114         (avr_regs_to_save): Ditto.
15115         (signal_function_p): Rename to avr_signal_function_p.
15116         (interrupt_function_p): Rename to avr_interrupt_function_p.
15118         * doc/extend.texi (Function Attributes): Better explanation of
15119         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
15120         alphabetical order.
15122 2012-05-09  Michael Matz  <matz@suse.de>
15124         PR tree-optimization/53185
15125         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
15126         peeling when we see strided loads.
15128 2012-05-09  Matthias Klose  <doko@ubuntu.com>
15130         * gcc-ar.c (main): Don't check for execute bits for the plugin.
15132 2012-05-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
15134         * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
15135         Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
15136         USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
15137         * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
15138         (USE_LOAD_POST_INCREMENT): Define.
15139         (USE_LOAD_PRE_INCREMENT): Define.
15140         (USE_LOAD_POST_DECREMENT): Define.
15141         (USE_LOAD_PRE_DECREMENT): Define.
15142         (USE_STORE_PRE_DECREMENT): Define.
15143         (USE_STORE_PRE_INCREMENT): Define.
15144         (USE_STORE_POST_DECREMENT): Define.
15145         (USE_STORE_POST_INCREMENT): Define.
15146         (arm_auto_incmodes): Add enumeration.
15147         * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
15148         * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
15150 2012-05-09  Jakub Jelinek  <jakub@redhat.com>
15152         PR tree-optimization/53226
15153         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
15154         prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
15155         before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
15156         doesn't need to be revisited, look for earliest stmt with
15157         !gimple_plf (stmt, GF_PLF_1) if something changed.
15159 2012-05-09  Terry Guo  <terry.guo@arm.com>
15161         * genmultilib: Update copyright dates.
15162         * doc/fragments.texi: Ditto.
15164 2012-05-09  Terry Guo  <terry.guo@arm.com>
15166         * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
15167         * genmultilib (MULTILIB_REQUIRED): New.
15168         * doc/fragments.texi: Document the MULTILIB_REQUIRED.
15170 2012-05-09  Richard Guenther  <rguenther@suse.de>
15172         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
15173         (vect_do_peeling_for_loop_bound): Likewise.
15174         (vect_do_peeling_for_alignment): Likewise.
15175         * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
15176         (vect_do_peeling_for_loop_bound): Get check_profitability and
15177         threshold as parameters.
15178         (vect_do_peeling_for_alignment): Likewise.
15179         (vect_loop_versioning): Likewise.
15180         * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
15181         and threshold here.  Control where to put the check here.
15183 2012-05-09  Richard Sandiford  <rdsandiford@googlemail.com>
15185         PR middle-end/53249
15186         * dwarf2out.h (get_address_mode): Move declaration to...
15187         * rtl.h: ...here.
15188         * dwarf2out.c (get_address_mode): Move definition to...
15189         * rtlanal.c: ...here.
15190         * var-tracking.c (get_address_mode): Delete.
15191         * combine.c (find_split_point): Use get_address_mode instead of
15192         targetm.addr_space.address_mode.
15193         * cselib.c (cselib_record_sets): Likewise.
15194         * dse.c (canon_address, record_store): Likewise.
15195         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
15196         * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
15197         (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
15198         (expand_expr_real_1): Likewise.
15199         * ifcvt.c (noce_try_cmove_arith): Likewise.
15200         * optabs.c (maybe_legitimize_operand_same_code): Likewise.
15201         * reload.c (find_reloads): Likewise.
15202         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
15203         * sel-sched-dump.c (debug_mem_addr_value): Likewise.
15205 2012-05-09  Maciej W. Rozycki  <macro@codesourcery.com>
15207         * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
15208         information from the instruction produced.
15210 2012-05-09  Richard Guenther  <rguenther@suse.de>
15212         * stor-layout.c (bit_from_pos): Document.
15213         (byte_from_pos): Likewise.  Optimize.
15214         (pos_from_bit): Likewise.
15215         (normalize_offset): Use pos_from_bit instead of replicating it.
15217 2012-05-09  Alan Modra  <amodra@gmail.com>
15219         PR target/53271
15220         * config/rs6000/rs6000.c (gen_frame_set): New function.
15221         (gen_frame_load, gen_frame_store): New functions.
15222         (rs6000_savres_rtx): Use the above.
15223         (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
15224         Correct mode used for CR2 in save/restore_world patterns.
15225         Don't emit instructions for eh_return frame unwind reg info.
15227 2012-05-08  Jan Hubicka  <jh@suse.cz>
15229         * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
15230         with VALUE_EXPR.
15231         * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
15232         are removable.
15233         * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
15234         need to wrapup.
15235         (compile_file): Do not output variables.
15236         * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
15237         output it.
15238         * langhooks.c: Include timevar.h
15239         (write_global_declarations): Finalize compilation unit after wrapup;
15240         set timevars correctly.
15241         * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
15242         not to be added to varpool.
15243         * varpool.c (varpool_assemble_decl): Sanity check that we are called
15244         only on cases where it makes sense; skip constant pool and value expr
15245         vars.
15247 2012-05-08  David S. Miller  <davem@davemloft.net>
15249         * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
15250         * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
15251         * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
15253 2012-05-08  Richard Sandiford  <rdsandiford@googlemail.com>
15255         PR rtl-optimization/53278
15256         * lower-subreg.c (decompose_multiword_subregs): Remove left-over
15257         speed_p code from earlier patch.
15259 2012-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
15261         PR target/51244
15262         * config/sh/sh.md (*branch_true, *branch_false): New insns.
15264 2012-05-08  Teresa Johnson  <tejohnson@google.com>
15266         * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
15267         * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
15269 2012-05-08  Jan Hubicka  <jh@suse.cz>
15271         * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
15272         (cgraph_create_node_1): Rename to ...
15273         (cgraph_create_empty_node): ... this one; export.
15274         (cgraph_create_node): Update.
15275         (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
15276         (cgraph_create_edge_including_clones): Likewise.
15277         (cgraph_find_replacement_node): Likewise.
15278         (cgraph_clone_edge): Likewise.
15279         (cgraph_clone_node): Likewise.
15280         (clone_function_name): Likewise.
15281         (cgraph_create_virtual_clone): Likewise.
15282         (cgraph_remove_node_and_inline_clones): Likewise.
15283         (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
15284         * cgraph.h: Reorder declarations so they match file of origin.
15285         (cgraph_create_empty_node): Declare.
15286         * cgraphunit.c (update_call_expr): Move to cgraphclones.c
15287         (cgraph_copy_node_for_versioning): Likewise.
15288         (cgraph_function_versioning): Likewise.
15289         (cgraph_materialize_clone): Likewise.
15290         (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
15291         (cgraph_materialize_all_clones): Likewise.
15292         * cgraphclones.c: New file.
15293         * Makefile.in: Update for cgraphclones.
15295 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
15297         PR target/53176
15298         * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
15299         (ix86_rtx_costs): Handle SET.
15301 2012-05-08  Michael Matz  <matz@suse.de>
15303         * basic-block.h (struct rtl_bb_info): Remove visited member and
15304         move head_ member to ...
15305         (struct basic_block_def.basic_block_il_dependent): ... the new
15306         member x, replacing but containing old member rtl.
15307         (enum bb_flags): New BB_VISITED flag.
15308         (BB_HEADER, BB_FOOTER): New macros.
15310         * jump.c (mark_all_labels): Adjust.
15311         * cfgcleanup.c (try_optimize_cfg): Adjust.
15312         * cfglayout.c (record_effective_endpoints): Adjust.
15313         (relink_block_chain): Ditto (and don't fiddle with visited).
15314         (fixup_reorder_chain): Adjust.
15315         (fixup_fallthru_exit_predecessor): Ditto.
15316         (cfg_layout_duplicate_bb): Ditto.
15317         * combine.c (update_cfg_for_uncondjump): Adjust.
15318         * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
15319         (bb_visited_trace): New accessor.
15320         (mark_bb_visited): Move in front.
15321         (rotate_loop): Use bb_visited_trace.
15322         (find_traces_1_round): Ditto.
15323         (emit_barrier_after): Ditto.
15324         (copy_bb): Ditto, and initialize visited on resize.
15325         (reorder_basic_blocks): Initize visited member.
15326         (duplicate_computed_gotos): Clear bb flags at start, use
15327         BB_VISITED flags.
15329         * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
15330         (rtl_verify_flow_info_1): Ditto.
15331         (cfg_layout_split_block): Ditto.
15332         (cfg_layout_delete_block): Ditto.
15333         (cfg_layout_merge_blocks): Ditto.
15334         (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
15336 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
15338         PR target/53272
15339         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
15340         when a constant source operand matches an "I" constraint, the "no
15341         CC0 change" applies to a register-destination only, not a
15342         strict_low_part-destination.
15344 2012-05-08  Richard Guenther  <rguenther@suse.de>
15346         * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
15347         to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
15349 2012-05-08  Georg-Johann Lay  <avr@gjlay.de>
15351         * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
15353         * doc/avr-mmcu.texi: New auto-generated file.
15354         * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
15355         to document all valid -mmcu= arguments.
15357         * config/avr/avr.h (arch_info_s): New struct definition.
15358         * config/avr/avr-devices.c (avr_texinfo): New variable.
15359         * config/avr/gen-avr-mmcu-texi.c: New file.
15360         * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
15362 2012-05-08  Dehao Chen  <dehao@google.com>
15364         * predict.c (find_qualified_ssa_name): New.
15365         (find_ssa_name_in_expr): New.
15366         (find_ssa_name_in_assign_stmt): New.
15367         (is_comparison_with_loop_invariant_p): New.
15368         (is_bound_expr_similar): New.
15369         (predict_iv_comparison): New.
15370         (predict_loops): Add heuristic for loop-nested branches that compare an
15371         induction variable to a loop bound variable.
15372         * predict.def (PRED_LOOP_IV_COMPARE): New macro.
15374 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
15376         * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
15377         TARGET_BDVER2 defines where appropriate.
15379 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
15381         * configure.ac (PLUGIN_LD): Rename into...
15382         (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
15383         * config.in: Regenerate.
15384         * configure: Likewise.
15385         * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
15387 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
15389         * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
15390         computation using the precision of the index type.
15391         * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
15392         (fold_array_ctor_reference): Do index computations in the index type.
15394 2012-05-07  Georg-Johann Lay  <avr@gjlay.de>
15396         * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
15397         down to plus_constant.
15398         (expand_epilogue): Ditto.
15400 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
15402         * postreload.c (reload_cse_regs): Make static.
15403         * reload.h (reload_cse_regs): Remove prototype.
15405 2012-05-07  Richard Henderson  <rth@redhat.com>
15407         * config/alpha/alpha.md (clear_cache): New pattern.
15409 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
15411         PR middle-end/53245
15412         * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
15413         is folded to a type boundary value, verify that the resulting case
15414         label is still a care range.
15416 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
15418         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
15419         only for TARGET_GENERIC, when not optimizing for size.
15420         (*ffs<mode>_1): Ditto.
15422 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
15424         * tree-cfg.c (verify_gimple_switch): Tighten checks.
15426 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
15428         PR tree-optimization/53239
15429         * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
15430         of DECL_BY_REFERENCE RESULT_DECL to nonnull.
15432 2012-05-07  Richard Guenther  <rguenther@suse.de>
15434         PR tree-optimization/53195
15435         * tree-inline.c (setup_one_parameter): Properly add referenced
15436         vars from the parameters new known value.
15438 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
15440         * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
15441         (sched_branch_type): Remove.
15442         (m68k_sched_md_init_global): Don't allocate it.
15443         (m68k_sched_md_finish_global): Don't free it.
15444         * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
15445         * config/m68k/m68k.md: Set the type of insns using
15446         m68k_sched_branch_type to bcc directly.
15448 2012-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
15450         * config/sol2.c (solaris_override_options): New function.
15451         * config/sol2-protos.h (solaris_override_options): Declare.
15452         * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
15454 2012-05-07  Richard Guenther  <rguenther@suse.de>
15456         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
15457         whether we failed to compute data dependences.
15458         (loop_prefetch_arrays): Fail if we failed.
15460 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
15461             Paolo Bonzini  <bonzini@gnu.org>
15463         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
15464         Emit bsf when optimizing for size.
15465         (*ffs<mode>_1): Ditto.
15467 2012-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
15469         PR target/53250
15470         * config/sh/sh.c (sh_rtx_costs): Handle SET.
15472 2012-05-06  Uros Bizjak  <ubizjak@gmail.com>
15474         PR target/53227
15475         * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
15476         (bswapdi2): Split from bswap<mode>2.  Use nonnimediate_operand
15477         predicate for operand 1.  Force operand 1 to register for TARGET_BSWAP.
15478         (bswapsi2): Ditto.
15479         (*bswapdi2_doubleword): New insn pattern.
15480         (*bswap<mode>2): Rename from *bswap<mode>2_1.
15482 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
15484         * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
15485         (mips_set_reg_reg_cost): Likewise.
15486         (mips_rtx_costs): Handle SET.
15488 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
15490         * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
15491         (compute_costs): Likewise for the zero extension.  Use set_rtx_cost
15492         to compute the cost of moves.  Set the mode of the target register.
15494 2012-05-05  Richard Sandiford  <rdsandiford@googlemail.com>
15496         * rtl.h (plus_constant, plus_constant_mode): Merge into a single
15497         plus_constant function.
15498         * explow.c (plus_constant, plus_constant_mode): Likewise.  Assert
15499         that the mode is sensible.
15500         (use_anchored_address, round_push, allocate_dynamic_stack_space)
15501         (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
15502         plus_constant.
15504         * alias.c (canon_rtx): Likewise.
15505         (init_alias_analysis): Likewise.
15506         * builtins.c (expand_builtin_return_addr)
15507         (expand_builtin_setjmp_setup, expand_builtin_longjmp)
15508         (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
15509         (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
15510         (expand_builtin_stpcpy): Likewise.
15511         * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
15512         (compute_argument_addresses, internal_arg_pointer_based_exp)
15513         (expand_call, emit_library_call_value_1): Likewise.
15514         * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
15515         * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
15516         * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
15517         * cse.c (insert_const_anchor, find_reg_offset_for_const)
15518         (use_related_value, fold_rtx): Likewise.
15519         * cselib.c (cselib_subst_to_values): Likewise.
15520         * dse.c (record_store, check_mem_read_rtx): Likewise.
15521         * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
15522         * emit-rtl.c (adjust_address_1): Likewise.
15523         * except.c (sjlj_emit_function_enter)
15524         (expand_builtin_extract_return_addr)
15525         (expand_builtin_frob_return_addr): Likewise.
15526         * expmed.c (expand_divmod): Likewise.
15527         * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
15528         (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
15529         (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
15530         * function.c (assign_stack_local_1)
15531         (instantiate_virtual_regs_in_rtx): Likewise.
15532         * optabs.c (prepare_cmp_insn): Likewise.
15533         * recog.c (offsettable_address_addr_space_p): Likewise.
15534         * reload.c (find_reloads_address, form_sum)
15535         (find_reloads_subreg_address): Likewise.
15536         * reload1.c (init_reload, eliminate_regs_1)
15537         (eliminate_regs_in_insn): Likewise.
15538         * simplify-rtx.c (simplify_unary_operation_1)
15539         (simplify_binary_operation_1, simplify_plus_minus): Likewise.
15540         * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
15541         (vt_add_function_parameter): Likewise.
15543         * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
15544         * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
15545         * config/alpha/alpha.c (alpha_legitimize_address_1)
15546         (get_unaligned_address, alpha_expand_unaligned_load)
15547         (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
15548         (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
15549         (alpha_expand_builtin_establish_vms_condition_handler)
15550         (alpha_setup_incoming_varargs, emit_frame_store_1)
15551         (alpha_expand_prologue, alpha_expand_epilogue)
15552         (alpha_use_linkage): Likewise.
15553         * config/alpha/alpha.md: Likewise.
15555         * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
15556         (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
15557         (thumb_legitimize_address, arm_gen_load_multiple_1)
15558         (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
15559         (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
15560         (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
15561         (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
15562         (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
15563         (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
15564         (thumb_expand_movmemqi, arm_set_return_address)
15565         (thumb_set_return_address): Likewise.
15566         * config/arm/arm.md: Likewise.
15568         * config/avr/avr.c (avr_incoming_return_addr_rtx)
15569         (avr_prologue_setup_frame, expand_epilogue)
15570         (avr_const_address_lo16): Likewise.
15572         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
15573         * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
15574         (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
15575         (bfin_output_mi_thunk): Likewise.
15577         * config/c6x/c6x.c (c6x_initialize_trampoline)
15578         (c6x_output_mi_thunk): Likewise.
15580         * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
15581         * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
15583         * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
15584         (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
15585         (cris_emit_movem_store, cris_trampoline_init): Likewise.
15586         * config/cris/cris.md: Likewise.
15588         * config/darwin.c (machopic_indirect_data_reference)
15589         (machopic_legitimize_pic_address): Likewise.
15591         * config/epiphany/epiphany.c (epiphany_emit_save_restore)
15592         (epiphany_expand_prologue, epiphany_expand_epilogue)
15593         (epiphany_trampoline_init): Likewise.
15594         * config/epiphany/epiphany.md: Likewise.
15596         * config/fr30/fr30.c (fr30_move_double): Likewise.
15598         * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
15599         (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
15600         (frv_index_memory, unspec_got_name, frv_find_base_term)
15601         (frv_output_dwarf_dtprel): Likewise.
15603         * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
15604         (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
15606         * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
15607         * config/i386/i386.c (setup_incoming_varargs_64)
15608         (setup_incoming_varargs_ms_64, choose_baseaddr)
15609         (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
15610         (ix86_emit_probe_stack_range, ix86_expand_prologue)
15611         (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
15612         (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
15613         (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
15614         (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
15615         (x86_output_mi_thunk): Likewise.
15616         * config/i386/i386.md: Likewise.
15618         * config/ia64/ia64.c (ia64_expand_load_address)
15619         (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
15620         (do_spill, ia64_trampoline_init): Likewise.
15622         * config/iq2000/iq2000.c (iq2000_va_start)
15623         (iq2000_emit_frame_related_store, iq2000_expand_prologue)
15624         (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
15625         (iq2000_print_operand, iq2000_legitimize_address): Likewise.
15627         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
15629         * config/m32c/m32c.c (m32c_return_addr_rtx)
15630         (m32c_expand_insv): Likewise.
15632         * config/m32r/m32r.c (m32r_setup_incoming_varargs)
15633         (m32r_legitimize_pic_address, m32r_print_operand)
15634         (m32r_print_operand_address): Likewise.
15636         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
15637         * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
15638         (EH_RETURN_HANDLER_RTX): Likewise.
15639         * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
15640         (m68k_expand_epilogue, legitimize_pic_address)
15641         (m68k_output_mi_thunk): Likewise.
15642         * config/m68k/m68k.md: Likewise.
15644         * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
15645         (mcore_expand_epilog): Likewise.
15646         * config/mcore/mcore.md: Likewise.
15648         * config/mep/mep.c (mep_allocate_initial_value)
15649         (mep_expand_prologue, mep_expand_epilogue): Likewise.
15651         * config/microblaze/microblaze.c (double_memory_operand)
15652         (microblaze_block_move_loop): Likewise.
15654         * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
15655         (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
15656         (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
15657         (mips_expand_prologue, mips_epilogue_set_cfa)
15658         (mips_expand_epilogue): Likewise.
15659         * config/mips/mips.md: Likewise.
15661         * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
15662         (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
15664         * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
15665         (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
15667         * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
15668         (EH_RETURN_HANDLER_RTX): Likewise.
15669         * config/moxie/moxie.c (moxie_static_chain): Likewise.
15671         * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
15672         (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
15673         (pa_return_addr_rtx, hppa_builtin_saveregs)
15674         (pa_trampoline_init): Likewise.
15675         * config/pa/pa.md: Likewise.
15677         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
15679         * config/picochip/picochip.c (picochip_static_chain): Likewise.
15681         * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
15682         * config/rs6000/rs6000.c (rs6000_legitimize_address)
15683         (setup_incoming_varargs, print_operand, rs6000_return_addr)
15684         (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
15685         (rs6000_emit_epilogue)
15686         (rs6000_machopic_legitimize_pic_address): Likewise.
15688         * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
15690         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
15691         (DYNAMIC_CHAIN_ADDRESS): Likewise.
15692         * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
15693         (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
15694         (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
15695         (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
15696         (s390_emit_epilogue, s390_function_profiler): Likewise.
15697         * config/s390/s390.md: Likewise.
15699         * config/score/score.c (score_add_offset, score_prologue): Likewise.
15701         * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
15702         (sh_output_mi_thunk): Likewise.
15703         * config/sh/sh.md: Likewise.
15705         * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
15706         (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
15707         * config/sparc/sparc.c (sparc_legitimize_pic_address)
15708         (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
15709         (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
15710         (emit_and_preserve): Likewise.
15711         * config/sparc/sparc.md: Likewise.
15713         * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
15714         * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
15715         (spu_setup_incoming_varargs, ea_load_store_inline)
15716         (spu_expand_load): Likewise.
15718         * config/stormy16/stormy16.c (xstormy16_expand_prologue)
15719         (combine_bnp): Likewise.
15721         * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
15722         * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
15723         (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
15725         * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
15726         * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
15727         (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
15729         * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
15730         * config/v850/v850.md: Likewise.
15732         * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
15733         (EH_RETURN_HANDLER_RTX): Likewise.
15734         * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
15735         * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
15736         (print_operand_address, vax_trampoline_init): Likewise.
15738         * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
15739         (xtensa_function_value_regno_p): Likewise.
15741 2012-05-04  Andrew Pinski  <apinski@cavium.com>
15743         * expr.c (get_def_for_expr_class): New function.
15744         (convert_tree_comp_to_rtx): New function.
15745         (expand_cond_expr_using_cmove): New function.
15746         (expand_expr_real_2 <case COND_EXPR>): Call
15747         expand_cond_expr_using_cmove first and return if it succeeds.
15748         Remove the check for HAVE_conditional_move since we should have
15749         already converted it to a conditional move.
15750         * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
15751         modes of DImode for 32bits and TImode.
15753 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
15755         PR other/29442
15756         * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
15757         (print_md_ptr_loc, print_c_condition): Use them.
15758         * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
15759         * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
15760         attr_file, dfa_file, latency_file): New global variables.
15761         (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
15762         write_upcase, write_indent, write_length_unit_log, write_test_expr,
15763         write_attr_get, write_insn_cases, write_eligible_delay,
15764         write_const_num_delay_slots): Accept FILE pointer and toss it around.
15765         Update all callers.
15766         (write_header, open_outfile, handle_arg): New funcions.
15767         (make_automaton_attrs): Write prototypes as extern to the output
15768         files.
15769         (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
15770         names from the command line.  Open the output files and write out
15771         internal functions for DFA functions to dfa_file_name, insn latency
15772         functions to latency_file_name, and everything else to attr_file.
15773         * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
15774         (BACKEND): Build libbackend first.
15775         (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
15776         (.PRECIOUS): Likewise.
15777         (insn-dfatab.o): New rule.
15778         (insn-latencytab.o): New rule.
15779         (simple_rtl_generated_c): Do not include insn-attrtab.c.
15780         (s-attrtab): New rule.
15782 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
15784         * rtl.def (ATTR_FLAG): Remove probability indicating flags.
15785         * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
15786         ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
15787         * reorg.c (get_jump_flags): Do not set the removed flags.
15789         * doc/md.texi (attr_flag): Update for abovementioned changes.
15791 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
15793         PR target/53228
15794         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
15795         (TARGET_CMOV): Rename from TARGET_CMOVE.
15796         (TARGET_CMOVE): New define.
15797         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
15798         Do not set TARGET_CMOVE here.
15800 2012-05-04  Dodji Seketeli  <dodji@redhat.com>
15802         Enable -Wunused-local-typedefs when -Wall or -Wunused is on
15803         * opts.c (finish_options): Activate -Wunused-local-typedefs if
15804         -Wunused is activated.
15805         * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
15807 2012-05-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
15809         * config/s390/s390.md (*movmem_short, *clrmem_short)
15810         (*cmpmem_short): Move the mode check from the insn condition to
15811         the match_scratch.
15813 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
15815         PR tree-optimization/52633
15816         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
15817         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
15818         (vect_recog_over_widening_pattern): Remove handling of code that was
15819         already detected as over-widening pattern.  Remove special handling
15820         of "unsigned" cases.  Instead, support general case of conversion
15821         of the shift result to another type.
15823 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
15825         * tree-vect-patterns.c (vect_single_imm_use): New function.
15826         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
15827         (vect_recog_over_widening_pattern): Likewise.
15828         (vect_recog_widen_shift_pattern): Likewise.
15830 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
15832         * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
15833         (vect_handle_widen_op_by_const): Use it instead of open-coding test.
15834         (vect_recog_widen_mult_pattern): Likewise.
15835         (vect_operation_fits_smaller_type): Likewise.
15836         (vect_recog_over_widening_pattern): Likewise.
15837         (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
15839 2012-05-04  Richard Guenther  <rguenther@suse.de>
15841         PR lto/50602
15842         * lto-wrapper.c (merge_and_complain): Complain about mismatches
15843         of -freg-struct-return and -fpcc-struct-return.
15844         (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
15845         from the input file options and ignore those from the link
15846         command line.
15848 2012-05-04  Richard Guenther  <rguenther@suse.de>
15850         PR tree-optimization/53168
15851         * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
15852         memory reads when the result is a constant we can pun.
15854 2012-05-04  Richard Guenther  <rguenther@suse.de>
15856         * common.opt (flto-report): Do not mark as Optimization.
15858 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
15860         PR target/48496
15861         * recog.c (constrain_operands): If extra constraints are present, also
15862         accept pseudo-registers with equivalent memory locations during reload.
15864 2012-05-04  Olivier Hainque  <hainque@adacore.com>
15866         * collect2.c (may_unlink_output_file): New global.
15867         (maybe_unlink): Honor it.
15868         * collect2.h: Add extern for it.
15869         * tlink.c (do_tlink): Set it to true if the link succeeded.
15871 2012-05-04  Olivier Hainque  <hainque@adacore.com>
15873         * gcc.c (eval_spec_function): Finalize/restore the current string
15874         obstack state as part of the context push/pop operations.
15876 2012-05-04  Bin Cheng  <bin.cheng@arm.com>
15878         PR rtl-optimization/52804
15879         * reload1.c (reload_reg_reaches_end_p): Check whether successor
15880         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
15881         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
15882         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
15883         RELOAD_FOR_OUTADDR_ADDRESS.
15885 2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15887         PR c++/24985
15888         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
15889         for macro expansion.
15891 2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15893         * flags.h (flag_permissive): Do not declare.
15894         * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
15895         option specially.
15896         * toplev.c (flag_permissive): Do not define.
15897         * c-tree.h (system_header_p): Delete unused.
15899 2012-05-03  David S. Miller  <davem@davemloft.net>
15901         PR target/52684
15902         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
15903         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
15904         (sparc_emit_float_lib_cmp): Likewise.
15906 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
15908         PR target/53199
15909         * config/rs6000/rs6000.md (bswapdi splitters): If
15910         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
15911         default) is used, generate an alternate sequence that does not
15912         depend on using indexed addressing.
15914 2012-05-03  Jason Merrill  <jason@redhat.com>
15916         * gengtype.c (write_types): Fix warning message.
15917         (write_local): Likewise.
15919 2012-05-02  Jason Merrill  <jason@redhat.com>
15921         * dwarf2out.c (struct external_ref, build_local_stub): New.
15922         (hash_external_ref, external_ref_eq, lookup_external_ref): New.
15923         (optimize_external_refs, optimize_external_refs_1): New.
15924         (change_AT_die_ref): New.
15925         (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
15926         (build_abbrev_table): Take the external refs hashtable.
15927         (output_comp_unit): Get it from optimize_external_refs and pass it in.
15929 2012-05-03  Jan Hubicka  <jh@suse.cz>
15931         PR middle-end/53093
15932         * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
15934 2012-05-03  Jan Hubicka  <jh@suse.cz>
15936         PR middle-end/53106
15937         * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
15939 2012-05-03  Jason Merrill  <jason@redhat.com>
15941         * dwarf2out.c (die_struct): Add comdat_type_p flag.  Use it instead of
15942         use_debug_types to discriminate the die_id union.
15943         (print_die, assign_symbol_names, copy_decls_walk): Likewise.
15944         (build_abbrev_table, output_die): Likewise.
15945         (prune_unused_types_walk_attribs): Likewise.
15946         (generate_type_signature, copy_declaration_context): Set it.
15947         (remove_child_or_replace_with_skeleton): Set it.
15948         (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
15949         check use_debug_types.
15950         (dwarf2out_finish): Do break_out_includes after .debug_types.
15952 2012-05-03  Jason Merrill  <jason@redhat.com>
15954         * dwarf2out.c (modified_type_die): Use scope_die_for.
15955         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
15956         (uses_local_type_r, uses_local_type): New.
15957         (scope_die_for): Keep a type that uses a local type in local scope.
15958         Use get_context_die for namespace and type scope.
15960 2012-05-03  Jason Merrill  <jason@redhat.com>
15962         * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
15963         pc thunk.
15964         * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
15965         (dwarf2out_finish): Likewise.
15967 2012-05-03  Martin Jambor  <mjambor@suse.cz>
15969         * builtins.c (get_object_alignment_1): Return whether we can determine
15970         the alignment or conservatively assume byte alignment.  Return the
15971         alignment by reference.  Use get_pointer_alignment_1 for dereference
15972         alignment.
15973         (get_pointer_alignment_1): Return whether we can determine the
15974         alignment or conservatively assume byte alignment.  Return the
15975         alignment by reference.  Use get_ptr_info_alignment to get SSA name
15976         alignment.
15977         (get_object_alignment): Update call to get_object_alignment_1.
15978         (get_object_or_type_alignment): Likewise, fall back to type alignment
15979         only when it returned false.
15980         (get_pointer_alignment): Update call to get_pointer_alignment_1.
15981         * fold-const.c (get_pointer_modulus_and_residue): Update call to
15982         get_object_alignment_1.
15983         * ipa-prop.c (ipa_modify_call_arguments): Update call to
15984         get_pointer_alignment_1.
15985         * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
15986         of MEM_REF or TARGET_MEM_REF only when it returns false.
15987         * tree-ssa-ccp.c (get_value_from_alignment): Update call to
15988         get_object_alignment_1.
15989         (ccp_finalize): Use set_ptr_info_alignment.
15990         * tree.h (get_object_alignment_1): Update declaration.
15991         (get_pointer_alignment_1): Likewise.
15992         * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
15993         (dump_gimple_stmt): Likewise.
15994         * tree-flow.h (ptr_info_def): Updated comments of fields align and
15995         misalign.
15996         (get_ptr_info_alignment): Declared.
15997         (mark_ptr_info_alignment_unknown): Likewise.
15998         (set_ptr_info_alignment): Likewise.
15999         (adjust_ptr_info_misalignment): Likewise.
16000         * tree-ssa-address.c (copy_ref_info): Use new access functions to get
16001         and set alignment of SSA names.
16002         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
16003         mark_ptr_info_alignment_unknown.
16004         * tree-ssanames.c (get_ptr_info_alignment): New function.
16005         (mark_ptr_info_alignment_unknown): Likewise.
16006         (set_ptr_info_alignment): Likewise.
16007         (adjust_ptr_info_misalignment): Likewise.
16008         (get_ptr_info): Call mark_ptr_info_alignment_unknown.
16009         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
16010         Likewise.
16011         (bump_vector_ptr): Likewise.
16012         * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
16013         (vectorizable_store): Likewise.
16014         (vectorizable_load): Likewise.
16016 2012-05-03  Michael Matz  <matz@suse.de>
16018         * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
16019         in front of basic_block_def.
16020         (struct basic_block_def): Make il.gimple the full struct, not a
16021         pointer.
16022         (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
16024         * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
16025         * gimple-iterator.c (gimple_stmt_iterator): Don't special case
16026         NULL il.gimple, which can't happen anymore.
16027         * gimple.h (bb_seq): il.gimple can't be NULL.
16028         (bb_seq_add): Ditto.
16029         (set_bb_seq): Adjust.
16030         (gsi_start_bb, gsi_last_bb): Tidy.
16031         * lto-streamer-in.c (make_new_block): Don't zero members that
16032         are zeroed already, don't allocate a gimple_bb_info.
16033         * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
16034         (remove_bb): Clear all il.gimple members.
16035         (gimple_verify_flow_info): Adjust for flat il.gimple.
16036         * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
16038         * coretypes.h (const_gimple_seq): Remove typedef.
16039         * gimple.h (gimple_seq_first): Take gimple_seq.
16040         (gimple_seq_first_stmt): Ditto.
16041         (gimple_seq_last): Ditto.
16042         (gimple_seq_last_stmt): Ditto.
16043         (gimple_seq_empty_p): Ditto.
16045 2012-05-03  Richard Guenther  <rguenther@suse.de>
16047         * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
16048         operations.
16049         (prune_clobbered_mems): Do it here.  Do not uselessly sort expressions.
16050         (compute_avail): Do not add possibly trapping operations to
16051         EXP_GEN if they might not be executed in the block.
16053 2012-05-03  Uros Bizjak  <ubizjak@gmail.com>
16055         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
16057 2012-05-03  Steven Bosscher  <steven@gcc.gnu.org>
16059         * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
16060         information as early as possible.  Update dominance info instead of
16061         discarding it.
16063 2012-05-03  Richard Guenther  <rguenther@suse.de>
16065         * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
16066         (union_contains_value): Remove.
16067         (vro_valid_in_sets): Likewise.
16068         (op_valid_in_sets): New function.
16069         (valid_in_sets): Use op_valid_in_sets.
16070         (insert_into_preds_of_block): Move dumping ...
16071         (do_regular_insertion): ... here.
16072         (do_partial_partial_insertion): ... and here.  Dump that
16073         we've found a partial partial redundancy.
16074         (insert): Dump the current insert iteration.
16076 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
16078         PR plugins/53126
16079         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
16080         append program name to it and pass that as first argument
16081         to make_relative_prefix.  Always pass standard_libexec_prefix
16082         as last argument to make_relative_prefix.  If
16083         make_relative_prefix returns NULL, fall back to
16084         standard_libexec_prefix.
16086         PR debug/53174
16087         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
16088         removed.
16090         PR target/53187
16091         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
16092         mode, return that mode.
16094         PR target/53194
16095         * config/i386/i386-c.c (ix86_target_macros_internal): Don't
16096         define __ATOMIC_HLE_* macros here.
16097         (ix86_target_macros): But here, using cpp_define_formatted.
16099 2012-05-03  Richard Guenther  <rguenther@suse.de>
16101         PR tree-optimization/53144
16102         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
16103         Rename to ...
16104         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
16105         with SSA name values.
16106         (vn_reference_lookup_3): Adjust callers.
16108 2012-05-03  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
16110         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
16111         has_fma4 for AMD processors with both fma3 and fma4 support.
16113 2012-05-03  Kirill Yukhin  <kirill.yukhin@intel.com>
16115         PR target/53201
16116         * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
16117         "-mno-hle".
16119 2012-05-03  Michael Matz  <matz@suse.de>
16121         PR bootstrap/53197
16122         * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
16123         (dse_enter_block): Properly iterate the whole sequence even
16124         if the last statement was removed.
16126 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
16128         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
16129         unset flag_jump_tables.
16130         * stmt.c (expand_case): Remove special flag_pic case conditional
16131         on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
16133 2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
16135         * common/config/s390/s390-common.c (s390_option_optimization_table):
16136         Enable -fsched-pressure using -fsched-pressure-algorithm=model by
16137         default when optimizing.
16139 2012-05-02  Martin Jambor  <mjambor@suse.cz>
16141         PR lto/52605
16142         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
16143         of a variable when the contect is a function.
16145 2012-05-02  Michael Matz  <matz@suse.de>
16147         * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
16148         * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
16149         (const_gimple_seq_node): Remove.
16150         (gimple_seq_node): Typedef as gimple.
16151         (struct gimple_statement_base): Add next and prev members,
16152         adjust all WORD markers in using structs.
16153         (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
16154         (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
16155         gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
16156         gimple are the same.
16157         (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
16158         gimple_seq, adjust.
16159         (gimple_init_singleton): New function.
16160         (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
16161         (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
16162         (gsi_stmt): Adjust.
16163         (gsi_stmt_ptr): Remove.
16164         (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
16166         * gimple-iterator.c (update_bb_for_stmts): Take last parameter
16167         again, adjust for above changes.
16168         (update_call_edge_frequencies): Adjust for above changes.
16169         (gsi_insert_seq_nodes_before): Rewrite for new data structure.
16170         (gsi_insert_seq_nodes_after): Ditto.
16171         (gsi_split_seq_after): Ditto.
16172         (gsi_set_stmt): Ditto.
16173         (gsi_split_seq_before): Ditto.
16174         (gsi_remove): Ditto.
16175         (gsi_insert_seq_before_without_update): Don't free sequence.
16176         (gsi_insert_seq_after_without_update): Ditto.
16177         (gsi_replace): Assert some more invariants.
16178         (gsi_insert_before_without_update, gsi_insert_after_without_update):
16179         Tidy.
16180         (gsi_for_stmt): Don't search for stmt.
16181         (gsi_insert_on_edge_immediate): Tidy.
16183         * gimple.c (gimple_alloc_k): Remove "sequences".
16184         (gimple_seq_cache): Remove.
16185         (gimple_alloc_stat): Make stmt a singleton sequence.
16186         (gimple_seq_alloc, gimple_seq_free): Remove.
16187         (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
16188         (gimple_copy): Ditto.
16189         * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
16190         create iterator from correct sequence.
16191         * tree-phinodes.c (make_phi_node): Make stmt a singleton.
16193 2012-05-02  Michael Matz  <matz@suse.de>
16195         * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
16196         gimple_seq.
16197         (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
16198         sequence, lazily allocate it.
16199         (bb_seq_addr): New function.
16200         (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
16201         (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
16202         (gsi_none): New function.
16203         (gsi_start_bb): Adjust.
16204         (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
16205         (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
16206         (gsi_last_bb): Adjust.
16207         (gsi_seq): Adjust.
16208         * tree-flow-inline.h (phi_nodes_ptr): New function.
16210         * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
16211         datastructure and interface change.
16212         (gsi_insert_seq_before_without_update): Ditto.
16213         (gsi_insert_seq_nodes_after): Ditto.
16214         (gsi_insert_seq_after_without_update): Ditto.
16215         (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
16216         (gsi_split_seq_before): Ditto.
16217         (gsi_start_phis): Adjust.
16218         * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
16219         (vect_transform_loop): Ditto.
16220         * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
16221         gimple_seq_copy): Don't use gimple_seq_alloc.
16222         * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
16223         (gimplify_seq_add_seq): Ditto.
16224         * lto-streamer-in.c (make_new_block): Ditto.
16225         * tree-cfg.c (create_bb): Ditto.
16226         * tree-sra.c (initialize_parameter_reductions): Ditto.
16228 2012-05-02  Michael Matz  <matz@suse.de>
16230         * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
16231         gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
16232         gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
16233         set_bb_seq): Move down to after gimple_statement_d definition.
16235 2012-05-02  Michael Matz  <matz@suse.de>
16237         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
16238         gsi_replace_with_seq, instead of inserting itself.
16239         * gimple-iterator.c (gsi_replace_with_seq): New function.
16240         * tree-ssa-forwprop.c (forward_propagate_comparison): Take
16241         iterator instead of statement, advance it.
16242         (ssa_forward_propagate_and_combine): Adjust call to above.
16244 2012-05-02  Michael Matz  <matz@suse.de>
16246         * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
16247         gimple_seq_alloc.
16248         * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
16249         * tree-nested.c (walk_gimple_omp_for): Ditto.
16250         * trans-mem.c (lower_transaction): Ditto.
16251         * tree-eh.c (do_return_redirection): Ditto.
16252         (do_goto_redirection): Ditto.
16253         (lower_try_finally_switch): Ditto.
16254         * gimplify.c (gimplify_stmt): Ditto.
16255         (gimplify_scan_omp_clauses): Ditto.
16256         (gimplify_omp_for): Ditto.
16257         (gimplify_function_tree): Ditto.
16258         * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
16259         * tree-mudflap.c (mf_decl_cache_locals): Ditto.
16260         (mf_build_check_statement_for): Ditto.
16261         (mx_register_decls): Ditto.
16262         * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
16263         and don't use itertors to append.
16264         (insert_stmts): Ditto.
16265         (insert_out_of_ssa_copy): Ditto.
16266         (insert_out_of_ssa_copy_on_edge): Ditto.
16268 2012-05-02  Michael Matz  <matz@suse.de>
16270         * gimple.h (gimple_bind_body_ptr): New function.
16271         (gimple_bind_body): Use it.
16272         (gimple_catch_handler): Use gimple_catch_handler_ptr.
16273         (gimple_eh_filter_failure_ptr): New function.
16274         (gimple_eh_filter_failure): Use it.
16275         (gimple_eh_else_n_body_ptr): New function.
16276         (gimple_eh_else_n_body): Use it.
16277         (gimple_eh_else_e_body_ptr): New function.
16278         (gimple_eh_else_e_body): Use it.
16279         (gimple_try_eval_ptr): New function.
16280         (gimple_try_eval): Use it.
16281         (gimple_try_cleanup_ptr): New function.
16282         (gimple_try_cleanup): Use it.
16283         (gimple_wce_cleanup_ptr): New function.
16284         (gimple_wce_cleanup): Use it.
16285         (gimple_omp_body_ptr): New function.
16286         (gimple_omp_body): Use it.
16287         (gimple_omp_for_pre_body_ptr): New function.
16288         (gimple_omp_for_pre_body): Use it.
16289         (gimple_transaction_body_ptr): New function.
16290         (gimple_transaction_body): Use it.
16291         (gsi_split_seq_before): Adjust to return nothing and take pointer
16292         to sequence.
16293         (gsi_set_stmt): Declare.
16294         (gsi_replace_with_seq): Declare.
16295         (walk_gimple_seq_mod): Declare.
16296         * function.h (struct function <gimple_body>): Use typedef gimple_seq.
16298         * gimple-iterator.c (gsi_set_stmt): New function.
16299         (gsi_split_seq_before): Return new sequence via pointer argument.
16300         (gsi_replace): Use gsi_set_stmt.
16302         * tree-ssa-loop-im.c (move_computations_stmt): First remove
16303         then insert stmt.
16304         * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
16305         * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
16306         return new stmt.
16307         (reserve_phi_args_for_new_edge): Change call to above,
16308         use gsi_set_stmt.
16310         * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
16311         (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
16312         iterators.  Adjust call to lower_omp.
16313         (lower_lastprivate_clauses): Adjust call to lower_omp.
16314         (lower_reduction_clauses): Ditto.
16315         (expand_omp_taskreg): Nullify non-cfg body of child_fn.
16316         (lower_omp_sections): Don't explicitely count sequence length,
16317         nullify lowered bodies earlier, ensure stmts are part of only
16318         one sequence, adjust call to lower_omp.
16319         (lower_omp_single): Ensure stmts are part of only one sequence,
16320         adjust call to lower_omp.
16321         (lower_omp_master): Ditto.
16322         (lower_omp_ordered): Ditto.
16323         (lower_omp_critical): Ditto.
16324         (lower_omp_for): Ditto.
16325         (lower_omp_taskreg): Ditto, tidy.
16326         (lower_omp_1): Adjust calls to lower_omp.
16327         (execute_lower_omp): Ditto.
16328         (lower_omp): Adjust to take pointer to sequence.
16329         (diagnose_sb_2): Use walk_gimple_seq_mod.
16330         (diagnose_omp_structured_block_errors): Ditto and set possibly
16331         changed function body.
16332         * gimple-low.c (lower_function_body): Set function body after
16333         it stabilizes.
16334         (lower_sequence): Adjust to take pointer to sequence.
16335         (lower_omp_directive): Ensure stmt isn't put twice into the
16336         sequence, adjust call to lower_sequence.
16337         (lower_stmt): Adjust calls to lower_sequence.
16338         (lower_gimple_bind): Ditto.
16339         (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
16340         * tree-nested.c (walk_body): Take pointer to sequence, use
16341         walk_gimple_seq_mod.
16342         (walk_function): Adjust call to walk_body, set possibly changed body.
16343         (walk_gimple_omp_for): Adjust calls to walk_body.
16344         (convert_nonlocal_omp_clauses): Ditto.
16345         (convert_nonlocal_reference_stmt): Ditto.
16346         (convert_local_omp_clauses): Ditto.
16347         (convert_local_reference_stmt): Ditto.
16348         (convert_tramp_reference_stmt): Ditto.
16349         (convert_gimple_call): Ditto.
16350         (convert_nl_goto_reference): Use local iterator copy.
16351         * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
16352         but taking pointer to sequence, ensure gsi_start is called with
16353         callers lvalue.
16354         (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
16355         asserting that the sequence head didn't change.
16356         (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
16357         walk_gimple_seq_mod.
16358         * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
16359         (execute_lower_tm): Ditto, and set possibly changed body.
16360         * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
16361         call gsi_start with that lvalue.
16362         (replace_goto_queue_stmt_list): Ditto.
16363         (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
16364         (replace_goto_queue): Ditto.
16365         (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
16366         (lower_try_finally_onedest): Ditto.
16367         (lower_try_finally_copy): Ditto.
16368         (lower_try_finally_switch): Ditto.
16369         (lower_try_finally): Ditto.
16370         (lower_eh_filter): Ditto.
16371         (lower_eh_must_not_throw): Ditto.
16372         (lower_cleanup): Ditto.
16373         (lower_eh_constructs_2): Ditto.
16374         (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
16375         (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
16376         set possibly changed body.
16377         (optimize_double_finally): Call gsi_start with lvalue.
16379         * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
16380         (gimple_split_block): Ditto.
16381         (gimple_merge_blocks): Use gsi_start_phis.
16382         (move_stmt_r): Use walk_gimple_seq_mod.
16383         * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
16384         * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
16385         (rebuild_cgraph_edges): Ditto.
16386         (cgraph_rebuild_references): Ditto.
16387         * ipa-prop.c (ipa_analyze_params_uses): Ditto.
16388         * tree-inline.c (copy_phis_for_bb): Ditto.
16389         * tree-ssa-dce.c: Ditto.
16391         * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
16393 2012-05-02  Kirill Yukhin  <kirill.yukhin@intel.com>
16394             Andi Kleen  <ak@linux.intel.com>
16396         * coretypes.h (MEMMODEL_MASK): New.
16397         * builtins.c (get_memmodel): Add val. Call target.memmodel_check
16398         and return new variable.
16399         (expand_builtin_atomic_exchange):  Mask memmodel values.
16400         (expand_builtin_atomic_compare_exchange): Ditto.
16401         (expand_builtin_atomic_load): Ditto.
16402         (expand_builtin_atomic_store): Ditto.
16403         (expand_builtin_atomic_clear): Ditto.
16404         * doc/extend.texi: Mention port-dependent memory model flags.
16405         * config/i386/cpuid.h (bit_HLE): New.
16406         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
16407         HLE support.
16408         * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
16409         * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
16410         (ix86_target_string)<-mhle>: New.
16411         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
16412         * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
16413         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
16414         (ix86_option_override_internal) <PTA_HLE>: New switch, set it
16415         enabled for generic, generic64 and core-avx2.
16416         (ix86_print_operand): Generate HLE lock prefixes.
16417         (ix86_memmodel_check): New.
16418         (TARGET_MEMMODEL_CHECK): Ditto.
16419         * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
16420         (IX86_HLE_ACQUIRE): Ditto.
16421         (IX86_HLE_RELEASE): Ditto.
16422         * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
16423         * config/i386/i386.opt (mhle): Ditto.
16424         * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
16425         success model to instruction emitter.
16426         (atomic_fetch_add<mode>): Ditto.
16427         (atomic_exchange<mode>): Ditto.
16428         (atomic_add<mode>): Ditto.
16429         (atomic_sub<mode>): Ditto.
16430         (atomic_<code><mode>): Ditto.
16431         (*atomic_compare_and_swap_doubledi_pic): Ditto.
16432         (atomic_compare_and_swap_single<mode>): Define and use argument
16433         for success model.
16434         (atomic_compare_and_swap_double<mode>): Ditto.
16435         * configure.ac: Check if assembler support HLE prefixes.
16436         * configure: Regenerate.
16437         * config.in: Ditto.
16439 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
16441         PR middle-end/53153
16442         * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
16443         split out from ...
16444         (gimplify_switch_expr): ... here.
16445         * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
16446         * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
16447         to clean up case labels with values outside the index type range.
16448         (simplify_gimple_switch): Call it if something changed.
16449         Remove strange and unnecessary assert.
16451 2012-05-02  Richard Guenther  <rguenther@suse.de>
16453         * fold-const.c (div_if_zero_remainder): sizetypes no longer
16454         sign-extend.
16455         (int_const_binop_1): New worker for int_const_binop with
16456         overflowable parameter.  Pass it through to force_fit_type_double.
16457         (int_const_binop): Wrap around int_const_binop_1 with overflowable
16458         equal to one.
16459         (size_binop_loc): Call int_const_binop_1 with overflowable equal
16460         to minus one, forcing overflow detection for even unsigned types.
16461         (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
16462         (fold_binary_loc): Call try_move_mult_to_index with signed offset.
16463         * stor-layout.c (initialize_sizetypes): sizetypes no longer
16464         sign-extend.
16465         (layout_type): For zero-sized arrays ignore overflow on the
16466         size calculations.
16467         * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
16468         (bit_value_binop_1): Likewise.
16469         * tree.c (double_int_to_tree): Likewise.
16470         (double_int_fits_to_tree_p): Likewise.
16471         (force_fit_type_double): Likewise.
16472         (host_integerp): Likewise.
16473         (int_fits_type_p): Likewise.
16474         * varasm.c (output_constructor_regular_field): Sign-extend the
16475         field-offset to cater for negative offsets produced by the Ada
16476         frontend.
16477         * omp-low.c (extract_omp_for_data): Convert the loop step to
16478         signed for pointer adjustments.
16480 2012-05-02  Richard Guenther  <rguenther@suse.de>
16482         * tree.c (valid_constant_size_p): New function.
16483         * tree.h (valid_constant_size_p): Declare.
16484         * cfgexpand.c (expand_one_var): Adjust check for too large
16485         variables by using valid_constant_size_p.
16486         * varasm.c (assemble_variable): Likewise.
16488         * c-decl.c (grokdeclarator): Properly check for sizes that
16489         cover more than half of the address-space.
16491 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
16493         PR tree-optimization/53163
16494         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
16495         return value from compute_all_dependences.
16497         PR rtl-optimization/53160
16498         * ree.c (combine_reaching_defs): Handle the case where cand->insn
16499         has been modified by ree pass already.
16501 2012-05-01  Ian Lance Taylor  <iant@google.com>
16503         PR c/37303
16504         * c-decl.c (build_compound_literal): Make the decl readonly if it
16505         an array of a readonly type.
16506         * gimplify.c (gimplify_compound_literal_expr): Add fallback
16507         parameter.  Change all callers.  If the decl is not addressable
16508         and is not an l-value, make it readonly.
16510 2012-05-01  Bernd Schmidt  <bernds@codesourcery.com>
16512         * ira.c (allocated_reg_info_size): New static variable.
16513         (expand_reg_info): Manage it. Call
16514         setup_preferred_alternate_classes_for_new_pseudos.
16515         (ira): Don't do it here.  Remove local allocated_reg_info_size,
16516         set the global before calling find_moveable_pseudos.
16517         (find_moveable_pseudos): Call expand_reg_info rather than
16518         resize_reg_info.
16520 2012-05-01  Richard Henderson  <rth@redhat.com>
16522         * common.opt (fsync-libcalls): New.
16523         * doc/invoke.texi: Document it.
16524         * optabs.c (init_sync_libfuncs): Honor it.
16526 2012-05-01  Kenneth Zadeck  <zadeck@naturalbridge.com>
16527             Richard Sandiford  <r.sandiford@uk.ibm.com>
16529         PR rtl-optimization/52543
16530         * Makefile.in (lower-subreg.o, target-globals.o): Depend on
16531         lower-subreg.h.
16532         * lower-subreg.h: New file.
16533         * target-globals.h (this_target_lower_subreg): Declare.
16534         (target_globals): Add lower_subreg;
16535         (restore_target_globals): Restore this_target_lower_subreg.
16536         * target-globals.c: Include it.
16537         (default_target_globals): Add default_target_lower_subreg.
16538         (save_target_globals): Initialize target_lower_subreg.
16539         * rtl.h (init_lower_subreg): Added declaration.
16540         * toplev.c (backend_init_target): Call initializer for lower-subreg
16541         pass.
16542         * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
16543         (default_target_lower_subreg): New variable.
16544         (this_target_lower_subreg): Likewise.
16545         (twice_word_mode, choices): New macros.
16546         (shift_cost, compute_splitting_shift, compute_costs)
16547         (init_lower_subreg): New functions.
16548         (resolve_simple_move): Add speed_p argument.  Check choices.
16549         (find_pseudo_copy): Don't check the mode size here.
16550         (resolve_simple_move): Assert the mode size.
16551         (find_decomposable_shift_zext): Add speed_p argument and return
16552         a bool.  Check choices.
16553         (resolve_shift_zext): Add comment.
16554         (dump_shift_choices, dump_choices): New functions.
16555         (decompose_multiword_subregs): Dump list of profitable
16556         transformations.  Add code to skip non profitable transformations.
16557         Update calls to simple_move and find_decomposable_shift_zext.
16559 2012-05-01  Ian Bolton  <ian.bolton@arm.com>
16560             Sameera Deshpande  <sameera.deshpande@arm.com>
16561             Greta Yorsh  <greta.yorsh@arm.com>
16563         * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
16564         (thumb1_unexpanded_epilogue): ...this.
16565         * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
16566         (thumb1_unexpanded_epilogue): ...this.
16567         * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
16568         (thumb1_unexpanded_epilogue): ...this.
16570 2012-05-01  Richard Earnshaw  <rearnsha@arm.com>
16572         * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
16573         comparing enumeration values.  Update comments.
16575 2012-05-01  Alan Modra  <amodra@gmail.com>
16577         PR target/53038
16578         * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
16579         load_cr_save, add_crlr_cfa_restore): New functions.
16580         (rs6000_restore_saved_cr): Rename to..
16581         (restore_saved_cr): ..this.  Add cfa_restore notes for cr.
16582         (rs6000_emit_epilogue): Use new functions.  Adjust condition
16583         for emitting lr and cr cfa_restore.  Emit cfa_restores for fp
16584         regs when using out-of-line restore only when shrink wrapping.
16586 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
16588         PR middle-end/53136
16589         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
16590         calls to cgraph_node_name in xstrdup.
16591         (ipa_make_edge_direct_to_target): Ditto.
16592         * cgraph.c (dump_cgraph_node): Ditto.
16593         * tree-sra.c (convert_callers_for_node): Ditto.
16594         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
16595         * ipa-cp.c (perhaps_add_new_callers): Ditto.
16596         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
16597         (cgraph_materialize_all_clones): Ditto.
16598         * ipa-inline.c (report_inline_failed_reason): Ditto.
16599         (want_early_inline_function_p): Ditto.
16600         (edge_badness): Ditto.
16601         (update_edge_key): Ditto.
16602         (flatten_function): Ditto.
16603         (ipa_inline): Ditto.
16604         (inline_always_inline_functions): Ditto.
16605         (early_inline_small_functions): Ditto.
16607 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
16609         PR target/53141
16610         * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
16611         constraints 0 and 1.
16613 012-04-30  Jan Hubicka  <jh@suse.cz>
16615         * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
16616         (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
16617         (cgraph_add_to_same_comdat_group): Remove.
16618         (cgraph_add_asm_node): Move to cgraphunit.c.
16619         (cgraph_make_decl_local): Move to symtab.c
16620         (cgraph_make_node_local_1): Update.
16621         (cgraph_can_remove_if_no_direct_calls_and): Update.
16622         (used_from_object_file_p): Update.
16623         (resolution_used_from_other_file_p): Move to symtab.c
16624         (cgraph_used_from_object_file_p): move to symtab.c
16625         (verify_cgraph_node): Verify same comdat groups.
16626         * cgraph.h (cgraph_asm_node): Rename to ...
16627         (asm_node): ... this one.
16628         (cgraph_asm_nodes): Rename to ...
16629         (asm_nodes): ... this one.
16630         (symtab_add_to_same_comdat_group): New function.
16631         (symtab_dissolve_same_comdat_group_list): New function.
16632         (symtab_used_from_object_file_p): Declare.
16633         (symtab_make_decl_local): Declare.
16634         (cgraph_add_to_same_comdat_group): Remove.
16635         (cgraph_add_asm_node): Remove.
16636         (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
16637         Remove.
16638         (cgraph_finalize_compilation_unit): Rename to ...
16639         (finalize_compilation_unit): ... this one.
16640         (cgraph_optimize): Rename to ....
16641         (compile): ... this one.
16642         (add_asm_node): Declare.
16643         (fixup_same_cpp_alias_visibility): Declare.
16644         (cgraph_make_decl_local): Remove.
16645         (varpool_assemble_pending_decls): Rename to ...
16646         (varpool_output_variables): ... this one.
16647         (varpool_remove_unreferenced_decls): Remove.
16648         * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
16649         (preserve_function_body_p): Make static.
16650         * toplev.c (compile_file): Update comments; update.
16651         * cgraphunit.c: Update comments.
16652         (cgraph_expand_all_functions): Rename to ...
16653         (expand_all_functions): ... this one; update.
16654         (cgraph_mark_functions_to_output): Rename to ...
16655         (mark_functions_to_output): ... this one; cleanup.
16656         (cgraph_output_pending_asms): Remove prototype.
16657         (asm_nodes, asm_last_node): New static vars.
16658         (cgraph_process_new_functions): Update.
16659         (cgraph_reset_node): Cleanup; add comment.
16660         (cgraph_add_new_function): Update.
16661         (cgraph_output_pending_asms): Rename to ...
16662         (output_asm_statements): ... this one.
16663         (add_asm_node): New function.
16664         (fixup_same_cpp_alias_visibility): New function based on code
16665         in cgraph_analyze_function.
16666         (cgraph_analyze_function): Use it.
16667         (cgraph_order_sort): Update.
16668         (cgraph_output_in_order): Update.
16669         (cgraph_function_versioning): Update.
16670         (cgraph_optimize): Rename to ...
16671         (compile): ... this one; initialize streamer hooks here.
16672         (cgraph_finalize_compilation_unit): Rename to ...
16673         (finalize_compilation_unit): ... this one; do not initialize streamer
16674         hook here.
16675         * lto-streamer-out.c (lto_output_toplevel_asms): Update.
16676         * dwarf2out.c: Update ocmment.
16677         * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
16678         * method.c (use_thunk): Likewise.
16679         * semantics.c (maybe_add_lambda_conv_op): Likewise.
16680         * decl2.c (maybe_emit_vtables): Likewise.
16681         (cp_write_global_declarations): Use finalize_compilation_unit.
16682         * parser.c (cp_parser_asm_definition): Use add_asm_node.
16683         * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
16684         * c-decl.c (c_write_global_declarations): Use
16685         finalize_compilation_unit.
16686         * langhooks.c (write_global_declarations): Update.
16687         * ipa.c (cgraph_externally_visible_p): Update.
16688         (dissolve_same_comdat_group_list): Remove.
16689         (function_and_variable_visibility): Update.
16690         * symtab.c: Inlcude lto-streamer.h and rtl.h
16691         (ld_plugin_symbol_resolution_names): New.
16692         (symtab_add_to_same_comdat_group): New.
16693         (symtab_dissolve_same_comdat_group_list): New.
16694         (resolution_used_from_other_file_p): Move here from cgraph.c
16695         (symtab_used_from_object_file_p): New.
16696         (symtab_make_decl_local): New.
16697         * passes.c (register_pass): Update comments.
16698         * c-parser.c (c_parser_asm_definition): Update.
16699         * varpool.c (varpool_analyze_node): Use
16700         fixup_same_cpp_alias_visibility.
16701         (varpool_remove_unreferenced_decls): Make static.
16702         (varpool_assemble_pending_decls): Rename to ...
16703         (varpool_output_variables): ... this one; call
16704         varpool_remove_unreferenced_decls.
16705         (varpool_used_from_object_file_p): Remove.
16707 2012-04-30  Marc Glisse  <marc.glisse@inria.fr>
16709         PR c++/51033
16710         * c-typeck.c (build_array_ref): Call
16711         convert_vector_to_pointer_for_subscript.
16712         * doc/extend.texi (Vector Extensions): Subscripting not just for C.
16714 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
16716         * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
16717         to compile-time "mode == <MODE>mode" checks.
16718         (and splitter): Ditto.
16720 2012-04-30  Richard Henderson  <rth@redhat.com>
16722         * config/arm/arm.md (UNSPEC_LL): New.
16723         * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
16724         (arm_load_exclusivedi): Use %H0.
16726 2012-04-30  Jason Merrill  <jason@redhat.com>
16728         * dwarf2out.c (comdat_symbol_id): Add const.
16729         (union die_symbol_or_type_node): Add const to die_symbol.
16730         (output_die_symbol, output_die, output_comp_unit): Adjust.
16732 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
16734         * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
16735         * config/arm/neon.md (negdi2_neon): New insn.
16736         Also add splitters for core and NEON registers.
16738 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
16740         * config/arm/arm.c (neon_valid_immediate): Allow const_int.
16741         (arm_print_operand): Add 'x' format.
16742         * config/arm/constraints.md (Dn): Allow const_int.
16743         * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
16744         Use 'x' format to print constants.
16745         * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
16746         * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
16747         is enabled.
16748         (movdi_vfp_cortexa8): Likewise.
16750 2012-04-30  Ian Bolton  <ian.bolton@arm.com>
16751             Sameera Deshpande  <sameera.deshpande@arm.com>
16752             Greta Yorsh  <greta.yorsh@arm.com>
16754         * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
16755         * config/arm/arm.c (ldm_stm_operation_p): New function.
16756         * config/arm/predicates.md (load_multiple_operation): Update predicate.
16757         (store_multiple_operation): Likewise.
16759         * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
16760         * config/arm/arm.c (ldm_stm_operation_p): New parameters.
16761         * config/arm/predicates.md (load_multiple_operation): Add arguments.
16762         (store_multiple_operation): Likewise.
16764 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
16766         * config/i386/i386.md (and<mode>3): Expand masking operations with
16767         0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
16768         (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
16770 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
16772         Add -Wvarargs option
16773         * builtins.c (fold_builtin_next_arg):  Use OPT_Wvarargs as an
16774         argument for the various warning_at calls.
16775         * docs/invoke.texi: Update the documentation.
16777 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
16779         Switch -ftrack-macro-expansion=2 on by default.
16780         * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
16781         by default.
16783         Fix va_start related location
16784         * builtins.c (fold_builtin_next_arg): Unwinds to the first
16785         location in real source code.
16787         Make conversion warnings work on NULL with -ftrack-macro-expansion
16788         * input.h (expansion_point_location_if_in_system_header): Declare
16789         new function.
16790         * input.c (expansion_point_location_if_in_system_header): Define it.
16792         Fix -Wuninitialized for -ftrack-macro-expansion
16793         * tree-ssa.c (warn_uninit): Use the spelling location of the variable
16794         declaration.  Use linemap_location_before_p for source locations.
16796         Strip "<built-in>" loc from displayed expansion context
16797         * input.c (expand_location_1): When expanding to spelling location
16798         in a context of a macro expansion, skip reserved system header
16799         locations.  Update comments.  * tree-diagnostic.c
16800         (maybe_unwind_expanded_macro_loc): Likewise.
16802         Make expand_location resolve to locus in main source file
16803         * input.c (expand_location_1): New.  Takes a parameter to choose
16804         whether to resolve the location to spelling or expansion point.
16805         Was factorized from ...
16806         (expand_location): ... here.
16807         (expand_location_to_spelling_point): New.  Implemented in terms of
16808         expand_location_1.
16809         * diagnostic.c (diagnostic_build_prefix): Use the new
16810         expand_location_to_spelling_point instead of expand_location.
16812         Fix PCH crash on GTYed pointer-to-scalar field of a struct
16813         * gengtype.c (write_types_process_field): Force second argument of
16814         the call to the PCH object hierarchy walker to be 'x'.
16816 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
16818         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
16819         predicate to discriminate types.
16821 2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16823         * doc/invoke.texi (Wmissing-format-attribute): Document as an
16824         alias of Wsuggest-attribute=format.
16825         * c-typeck.c (convert_for_assignment): Replace
16826         Wmissing-format-attribute with Wsuggest-attribute=format.
16827         (digest_init): Likewise.
16829 2012-04-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16831         * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
16832         * common.opt (Wmissing-noreturn): Alias of
16833         -Wsuggest-attribute=noreturn.
16835 2012-04-29  Hans-Peter Nilsson  <hp@axis.com>
16837         PR target/53156
16838         * config/cris/cris.md (andqu): New peephole2.
16839         (andu): Tweak head comment.
16841 2012-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
16842             Steven Bosscher  <steven@gcc.gnu.org>
16843             Maxim Kuvyrkov  <maxim@codesourcery.com>
16845         PR tree-optimization/38785
16846         * common.opt (ftree-partial-pre): New option.
16847         * doc/invoke.texi: Document it.
16848         * opts.c (default_options_table): Initialize flag_tree_partial_pre.
16849         * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
16850         benefit speed path.
16851         (execute_pre): Use flag_tree_partial_pre.
16853 2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16855         PR target/52999
16856         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
16857         in constant pool.
16859 2012-04-27  Ollie Wild  <aaw@google.com>
16861         * doc/invoke.texi (Wliteral-suffix): Document new option.
16863 2012-04-27  Tom Tromey  <tromey@redhat.com>
16865         * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
16866         (dwarf_tag_name): Use get_DW_TAG_name.
16867         (dwarf_attr_name): Use get_DW_AT_name.
16868         (dwarf_form_name): Use get_DW_FORM_name.
16869         * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
16871 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
16873         * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
16874         arguments are -1 and 0, by negating the result of the conditional.
16876 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
16878         PR target/53138
16879         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
16881 2012-04-27  Richard Guenther  <rguenther@suse.de>
16883         * tree-flow.h (is_hidden_global_store): Remove.
16884         * tree-ssa-sink.c (is_hidden_global_store): Likewise.
16885         * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
16886         (stmt_may_clobber_global_p): Likewise.
16887         * tree-ssa-alias.c (ref_may_alias_global_p): New function.
16888         (stmt_may_clobber_global_p): Likewise.
16889         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
16890         stmt_may_clobber_global_p.
16891         * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
16893 2012-04-27  Steven Bosscher  <steven@gcc.gnu.org>
16895         * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
16896         place.
16898         * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
16899         reorganize some fields and update comments.  Rename bit_test_uniq
16900         and bit_test_count to uniq resp. count.  Remove bit_test_bb.
16901         (collect_switch_conv_info): New function, collects info about a
16902         GIMPLE_SWITCH into a struct switch_conv_info.
16903         (check_range): Simplify to use pre-recorded info.  Fix think-o in
16904         range-branch ratio check.
16905         (check_process_case): Remove function.
16906         (check_all_empty_except_final): New function, verifies that all
16907         non-final basic blocks are empty.
16908         (process_switch): Simplify to use pre-recorded info.  Call
16909         collect_switch_conv_info to do that.  Assert that degenerate switch
16910         statements have been cleaned up.
16912 2012-04-27  Marc Glisse  <marc.glisse@inria.fr>
16914         PR middle-end/27139
16915         * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
16917 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16919         PR c/53130
16920         * c-typeck.c (pop_init_level): Use %qD instead of %qT.
16922 2012-04-27  Tom de Vries  <tom@codesourcery.com>
16924         PR tree-optimization/51879
16925         * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
16926         * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
16927         of ...
16928         (defs_to_varying): ... here.  Don't set use_processed.
16929         (visit_reference_op_call): Handle gimple_vdef.
16930         Handle case that lhs is NULL_TREE.
16931         (visit_use): Use mark_use_processed.  Handle calls with side-effect
16932         using visit_reference_op_call.
16934 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
16936         * sched-deps.c (fixup_sched_groups): Rename to...
16937         (chain_to_prev_insn): ...this.
16938         (chain_to_prev_insn_p): New function.
16939         (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
16941 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
16943         * sched-int.h (_haifa_insn_data): Move priority_status.
16944         Add model_index.
16945         (INSN_MODEL_INDEX): New macro.
16946         * haifa-sched.c (insn_delay): New function.
16947         (sched_regno_pressure_class): Update commentary.
16948         (mark_regno_birth_or_death): Pass the liveness bitmap and
16949         pressure array as arguments, instead of using curr_reg_live and
16950         curr_reg_pressure.  Only update the pressure if the bit in the
16951         liveness set has changed.
16952         (initiate_reg_pressure_info): Always trust the live-in set for
16953         SCHED_PRESSURE_MODEL.
16954         (initiate_bb_reg_pressure_info): Update call to
16955         mark_regno_birth_or_death.
16956         (dep_list_size): Take the list as argument.
16957         (calculate_reg_deaths): New function, extracted from...
16958         (setup_insn_reg_pressure_info): ...here.
16959         (MODEL_BAR): New macro.
16960         (model_pressure_data, model_insn_info, model_pressure_limit)
16961         (model_pressure_group): New structures.
16962         (model_schedule, model_worklist, model_insns, model_num_insns)
16963         (model_curr_point, model_before_pressure, model_next_priority):
16964         New variables.
16965         (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
16966         (MODEL_INSN_INFO, MODEL_INSN): New macros.
16967         (model_index, model_update_limit_points_in_group): New functions.
16968         (model_update_limit_points, model_last_use_except): Likewise.
16969         (model_start_update_pressure, model_update_pressure): Likewise.
16970         (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
16971         (model_excess_cost, model_dump_pressure_points): Likewise.
16972         (model_set_excess_costs): Likewise.
16973         (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
16974         SCHED_PRIORITY_MODEL.  Use insn_delay.  Use the order in the model
16975         schedule as an alternative tie-breaker.  Update the call to
16976         dep_list_size.
16977         (ready_sort): Call model_set_excess_costs.
16978         (update_register_pressure): Update call to mark_regno_birth_or_death.
16979         Rely on that function to check liveness rather than doing it here.
16980         (model_classify_pressure, model_order_p, model_add_to_worklist_at)
16981         (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
16982         (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
16983         (model_record_pressure, model_record_pressures): New functions.
16984         (model_record_final_pressures, model_add_successors_to_worklist)
16985         (model_promote_predecessors, model_choose_insn): Likewise.
16986         (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
16987         (model_start_schedule, model_finalize_pressure_group): Likewise.
16988         (model_end_schedule): Likewise.
16989         (schedule_insn): Say when we're scheduling the next instruction
16990         in the model schedule.
16991         (schedule_insn): Handle SCHED_PRESSURE_MODEL.
16992         (queue_to_ready): Do not add instructions that are
16993         MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
16994         Always allow the next instruction in the model schedule to be added.
16995         (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
16996         and delay for SCHED_PRESSURE_MODEL too.
16997         (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
16998         SCHED_PRIORITY_MODEL, but also take the DFA into account.
16999         (schedule_block): Call model_start_schedule and model_end_schedule.
17000         Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
17001         (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
17002         to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
17003         region_ref_regs.
17004         (sched_finish): Update accordingly.
17005         (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
17006         to SCHED_PRESSURE_MODEL.
17007         (add_jump_dependencies): Update call to dep_list_size.
17008         (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
17009         (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
17010         to SCHED_PRESSURE_MODEL.
17011         * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
17012         allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
17013         (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
17014         handling to SCHED_PRESSURE_MODEL.
17016 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
17018         * common.opt (fsched-pressure-algorithm=): New option.
17019         * flag-types.h (sched_pressure_algorithm): New enum.
17020         * sched-int.h (sched_pressure_p): Replace with...
17021         (sched_pressure): ...this new variable.
17022         * haifa-sched.c (sched_pressure_p): Replace with...
17023         (sched_pressure): ...this new variable.
17024         (sched_regno_pressure_class, rank_for_schedule, ready_sort)
17025         (update_reg_and_insn_max_reg_pressure, schedule_insn)
17026         (debug_ready_list, prune_ready_list, schedule_block, sched_init)
17027         (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
17028         * sched-deps.c (init_insn_reg_pressure_info): Likewise.
17029         (sched_analyze_insn): Likewise.
17030         * sched-rgn.c (schedule_region): Likewise.
17031         * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
17033 2012-04-26  Bernd Schmidt  <bernds@codesourcery.com>
17035         * PR middle-end/52997
17036         * ira.c (find_moveable_pseudos): Call resize_reg_info.
17038         PR middle-end/52940
17039         * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
17040         * expr.c (convert_move): Honor unsignedp when extending partial int
17041         modes.
17042         * genmodes.c (complete_mode): Don't clear component field of partial
17043         int modes.
17044         (emit_mode_inner): Don't emit it however.
17045         (calc_wider_mode): Partial int modes widen to their component.
17047 2012-04-26  David S. Miller  <davem@davemloft.net>
17049         * config/sparc/niagara4.md: New file.
17050         * config/sparc/sparc.md: Include it.
17051         * config/sparc/sparc.c (niagara4_costs): New processor costs.
17052         (sparc_option_override): Use it.
17053         (sparc_use_sched_lookahead): Return 2 for niagara4.
17054         (sparc_issue_rate): Likewise.
17056         * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
17057         (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
17058         (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
17059         fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
17060         (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
17061         alignaddrldi_vis): Set type to gsr.
17062         (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
17063         (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
17064         cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
17065         v<vis3_shift_patname><mode>3, fmean16_vis,
17066         fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
17067         fucmp<code>8<P:mode>_vis): Set type to fga.
17068         * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
17069         * config/sparc/niagara.md: Likewise.
17070         * config/sparc/niagara2.md: Likewise.
17071         * config/sparc/ultra3.md: Likewise, and fix type matching for
17072         us3_ialuX reservation.
17074 2012-04-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
17076         * reload.c (find_reloads): Change the loop nesting when trying an
17077         alternative with swapped operands.
17079 2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17081         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
17082         comment. Delete unused parameter first_exp_point_map.
17083         (virt_loc_aware_diagnostic_finalizer): Update call.
17085 2012-04-26  Michael Hope  <michael.hope@linaro.org>
17086             Richard Earnshaw  <rearnsha@arm.com>
17088         * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
17089         (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
17090         (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
17091         (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
17093 2012-04-25  Sriraman Tallam  <tmsriram@google.com>
17095         * doc/extend.texi: Document avx2 support.
17096         * config/i386/i386.c (fold_builtin_cpu): Add avx2.
17098 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
17100         PR target/53120
17101         * config/cris/cris.md ("*andhi_lowpart_v32")
17102         ("*andqi_lowpart_v32"): Change first input-only operand from
17103         a (match_operand ...) to (match_dup 0).  Drop alternatives with
17104         const_int-matching constraints for redundancy.
17105         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
17106         three-operand alternative.
17108 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
17110         PR target/53110
17111         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
17112         instead expand it as zero extension.
17114 2012-04-25  H.J. Lu  <hongjiu.lu@intel.com>
17116         PR debug/52857
17117         * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
17119 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
17121         * common.opt (flag_debug_types_section): Default to 0.
17122         (dwarf_version): Default to 4.
17123         (dwarf_record_gcc_switches): Default to 1.
17124         (dwarf_strict): Default to 0.
17125         * toplev.c (process_options): Don't handle dwarf_strict
17126         or dwarf_version here.
17127         * config/vxworks.c (vxworks_override_options): Don't
17128         test whether dwarf_strict or dwarf_version are negative,
17129         instead test !global_options_set.x_dwarf_*.
17130         * config/darwin.c (darwin_override_options): Default to
17131         dwarf_version 2.
17132         * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
17133         and -fno-debug-types-section are now the default.
17135 2012-04-25  Jan Hubicka  <jh@suse.cz>
17137         * cgraphunit.c: Update toplevel comment.
17138         (tree_rest_of_compilation): Merge into cgraph_expand_function.
17139         (cgraph_analyze_function): Make static.
17140         (cgraph_decide_is_function_needed): Make static.
17141         (cgraph_add_new_function): Use expand_function instead of
17142         rest_of_compilation.
17143         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
17144         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
17145         Move to cgraph.c
17146         (cgraph_inline_p): Remove.
17147         (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
17148         (init_cgraph): Add comment.
17149         * cgraphbuild.c (record_reference, mark_address, mark_load,
17150         mark_store): Do not call analyze_expr hook.
17151         * cgraph.c: Update toplevel comment.
17152         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
17153         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
17154         Move fere from cgraphunit.c
17155         (cgraph_mark_force_output_node): Move to cgraph.h
17156         * cgraph.h: Reorder so the comments match the function placement.
17157         (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
17158         (cgraph_mark_force_output_node): Move here from cgraph.c
17159         * tree.c (free_lang_data): Do not clear analyze_expr hook.
17160         * ipa-inline-transform.c (preserve_function_body_p): New function.
17161         (inline_transform): Update.
17162         * langhooks.c (lhd_callgraph_analyze_expr): Remove.
17163         * langhooks.h (lang_hooks_for_callgraph): Remove.
17164         (lang_hooks): Remove callgraph.
17165         * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
17166         * varpool.c: Remove out of date comment.
17167         * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
17168         (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
17170 2012-04-25  Jan Hubicka  <jh@suse.cz>
17172         PR middle-end/53089
17173         * cgraphunit.c (referred_to_p): Move ahead in file to avoid
17174         forward declaration.
17175         (cgraph_finalize_function): Finalize them here.
17176         * symtab.c (dump_symtab): Dump ctors and dtors.
17178 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
17180         PR middle-end/52979
17181         * stor-layout.c (get_best_mode): Don't return mode with bitsize
17182         larger than maxbits.  Don't compute maxbits modulo align.
17183         Also check that unit bytes long store at bitpos / unit * unit
17184         doesn't affect bits beyond bitregion_end.
17185         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
17186         would not fit into bitregion_start ... bitregion_end + 1 bit region.
17187         (store_split_bit_field): Decrease unit close to end of bitregion_end
17188         if access is restricted in order to avoid mutual recursion.
17190         PR tree-optimization/53058
17191         * double-int.h (double_int_max_value, double_int_min_value): New
17192         prototypes.
17193         * double-int.c (double_int_max_value, double_int_min_value): New
17194         functions.
17195         * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
17196         or GT_EXPR with double_int_max_value instead of double_int_mask.
17198 2012-04-25  Richard Guenther  <rguenther@suse.de>
17200         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
17201         * tree-vect-loop.c (vect_transform_loop): Adjust.
17202         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
17203         the maximum number of iterations for the epilogue loop.
17204         (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
17206 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
17208         PR c/52880
17209         * c-typeck.c (set_nonincremental_init,
17210         set_nonincremental_init_from_string): Pass true instead of false
17211         as IMPLICIT to add_pending_init.
17213 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17215         * c-typeck.c (pop_init_level): Improve diagnostics.
17217 2012-04-25  Uros Bizjak  <ubizjak@gmail.com>
17219         * compare-elim.c (try_eliminate_compare): Also handle operands with
17220         implicit extensions.
17222 2012-04-25  Alan Modra  <amodra@gmail.com>
17224         * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
17225         V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
17226         SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
17227         (no_global_regs_above): Delete.
17228         (no_global_regs): New function.
17229         (rs6000_savres_strategy): Handle vector regs.  Use proper lr_save_p
17230         value for load multiple test.
17231         (savres_routine_syms): Increase size.
17232         (rs6000_savres_routine_name, rs6000_savres_routine_sym,
17233         ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
17234         rather than a number of boolean flags.  Update all callers.
17235         (rs6000_savres_routine_name): Generate vector save/restore names.
17236         (rs6000_savres_routine_sym): Handle vector regs.  Delete forward decl.
17237         (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
17238         (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
17239         and using_store_multiple.  Expand uses.  Don't always use r11 as
17240         frame reg when needed for out-of-line saves.  Set up initial offset
17241         for out-of-line vector saves when buying stack frame.  Handle pointer
17242         reg setup for out-of-line fp save.  Emit call to out-of-line vector
17243         save function.  Choose r11 or r12 for vrsave reg when available for
17244         better scheduling.
17245         (rs6000_output_function_prologue): Don't emit .extern for ELF.
17246         (rs6000_emit_epilogue): Choose a better frame reg when restoring
17247         from back-chain to suit out-of-line vector restore functions.  Emit
17248         call to out-of-line vector restore function.  Adjust register used
17249         for cr restore.  Tweak pointer register setup for gpr restore.
17250         * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
17251         FIXED_R13.
17252         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
17253         (V_SAVE_INLINE): Define.
17254         * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
17256 2012-04-25  Alan Modra  <amodra@gmail.com>
17258         * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
17259         out-of-line save/restore for large frames.  Don't disable
17260         out-of-line saves on ABI_AIX when using static chain reg.
17261         (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
17262         clobber static chain reg, and tweak for out-of-line gpr saves
17263         that use r1.
17265 2012-04-25  Alan Modra  <amodra@gmail.com>
17267         * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
17268         (rs6000_emit_prologue): Use the above to catch register overlap.
17270 2012-04-25  Alan Modra  <amodra@gmail.com>
17272         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
17273         decl.  Move logic selecting update reg to callers.  Update all callers.
17274         (rs6000_emit_allocate_stack): Add copy_off param.
17275         (emit_frame_save): Don't handle reg+reg addressing.
17276         (ptr_regno_for_savres): New function, extracted from..
17277         (rs6000_emit_savres_rtx): ..here.  Add lr_offset param.
17278         (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
17279         Set frame_reg_rtx to r11 whenever r11 is needed, and merge
17280         frame offset adjustment for out-of-line save with copy from sp.
17281         Simplify condition controlling whether cr is saved early or
17282         late.  Use ptr_regno_for_savres to verify correct reg is set
17283         up for out-of-line saves.  Pass the actual pointer reg used to
17284         rs6000_emit_savres_rtx so rtl matches insns in out-of-line
17285         function.  Rearrange spe vars so code is similar to that
17286         elsewhere in this function.  Don't update frame_off when spe
17287         save code will restore r11.  Use emit_frame_save for spe and
17288         gpr saves.  Consolidate darwin out-of-line gpr setup with that
17289         for other abis.  Don't assume frame_offset is zero and frame
17290         reg is sp when setting up altivec reg saves, and calculate
17291         exact offset requirement.
17292         (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off.  Tidy
17293         spe restore code.  Consolidate darwin out-of-line gpr setup
17294         with that for other abis.
17296 2012-04-25  Alan Modra  <amodra@gmail.com>
17298         * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
17299         REG_FRAME_RELATED_EXPR note when the instruction exactly matches
17300         the replacement.
17301         (emit_frame_save): Delete frame_ptr param.  Rename total_size to
17302         frame_reg_to_sp.
17303         (rs6000_emit_prologue): Add sp_off.  Update rs6000_frame_related
17304         and emit_frame_save calls.  Cope with possibly missing note.
17306 2012-04-24  Sriraman Tallam  <tmsriram@google.com>
17308         * config/i386/i386.c (build_processor_model_struct): New function.
17309         (make_var_decl): New function.
17310         (fold_builtin_cpu): New function.
17311         (ix86_fold_builtin): New function.
17312         (make_cpu_type_builtin): New function.
17313         (ix86_init_platform_type_builtins): New function.
17314         (ix86_expand_builtin): Expand new builtins by folding them.
17315         (ix86_init_builtins): Make new builtins to detect CPU type.
17316         (TARGET_FOLD_BUILTIN): New macro.
17317         (IX86_BUILTIN_CPU_INIT): New enum value.
17318         (IX86_BUILTIN_CPU_IS): New enum value.
17319         (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
17320         * config/i386/i386-builtin-types.def: New function type.
17321         * testsuite/gcc.target/builtin_target.c: New testcase.
17322         * doc/extend.texi: Document builtins.
17324 2012-04-24  Olivier Hainque  <hainque@adacore.com>
17326         * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
17327         * toplev.c (process_options): Default to dwarf_version 2.
17328         * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
17329         and dwarf_version 2.
17331 2012-04-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17333         * tree-pretty-print.h (default_tree_printer): Do not declare.
17334         * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
17335         intl.h.
17336         (default_tree_diagnostic_starter): Make static.
17337         (default_tree_printer): Move to here. Make static.
17338         (tree_diagnostics_defaults): New.
17339         * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
17340         * tree.c (free_lang_data): Use tree_diagnostics_defaults.
17341         * toplev.c: Do not include tree-pass.h.
17342         (default_tree_printer): Move from here.
17343         (general_init): Use tree_diagnostics_defaults.
17345 2012-04-24  Chao-ying Fu  <fu@mips.com>
17347         * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
17348         (mips*-*-linux*): Append mips/linux-common.h to tm_file.
17349         * config/mips/gnu-user.h
17350         (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
17351         (GNU_USER_TARGET_LINK_SPEC): New define.
17352         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
17353         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
17354         (GNU_USER_TARGET_MATHFILE_SPEC): New define.
17355         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
17356         GNU_USER_TARGET_ENDFILE_SPEC.
17357         * config/mips/gnu-user64.h (LIB_SPEC): Remove.
17358         (GNU_USER_TARGET_LINK_SPEC): New define.
17359         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
17360         * config/mips/linux-common.h: New file.
17362 2012-04-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17364         PR target/47197
17365         * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
17366         (altivec_build_resolved_builtin): Call fully_fold_convert.
17368 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
17370         PR target/53065
17371         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
17373 2012-04-24  Richard Guenther  <rguenther@suse.de>
17375         PR tree-optimization/53085
17376         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
17377         stores.
17379 2012-04-24  Richard Guenther  <rguenther@suse.de>
17381         * tree-if-conv.c (main_tree_if_conversion): Move bb under
17382         ENABLE_CHECKING.
17384 2012-04-24  Jim Meyering  <meyering@redhat.com>
17386         * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
17387         absence of an define_enum call.
17389 2012-04-24  Richard Guenther  <rguenther@suse.de>
17391         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
17392         the epilogue loop is not re-used as unvectorized version
17393         record the its maximum number of iterations.
17395 2012-04-24  Andrew Pinski  <apinski@cavium.com>
17397         * tree-ssa-forwprop.c (simplify_bitwise_binary):
17398         Don't directly use def1/def2.
17400 2012-04-24  Richard Guenther  <rguenther@suse.de>
17402         PR tree-optimization/53098
17403         * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
17404         comparison sign.
17406 2012-04-24  Andrew Pinski  <apinski@cavium.com>
17408         PR tree-opt/33512
17409         * tree-ssa-forwprop.c (defcodefor_name): New function.
17410         (simplify_bitwise_binary): Use defcodefor_name instead of manually
17411         Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
17412         Simplify "(~X | Y) & X" to "X & Y" and
17413         "(~X & Y) | X" to "X | Y".
17415 2012-04-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
17417         * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
17418         validate_change to add clobbers if IN_GROUP is nonzero.
17419         (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
17420         * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
17421         prototype.
17422         * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
17423         set to false.
17424         * config/s390/s390.c (insn_invalid_p): Likewise.
17426 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
17428         PR middle-end/53084
17429         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
17430         (output_addressed_constants): Likewise.
17432         PR middle-end/52999
17433         * varasm.c (get_section): Don't ICE for section conflicts with
17434         built-in section kinds.
17436 2012-04-23  DJ Delorie  <dj@redhat.com>
17438         * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
17439         (LIBSTDCXX): Change to CPP2.
17441 2012-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17443         PR bootstrap/52878
17444         * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
17445         extra_masks.
17447 2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
17449         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
17450         (*addsi_2_zext): Ditto.
17451         (*add<mode>_3): Ditto.
17452         (*addsi_3_zext): Ditto.
17453         (*add<mode>_5): Ditto.
17455 2012-04-23  Andrew Pinski  <apinski@cavium.com>
17457         * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
17458         (C & B) to (A OP0) & B.
17460 2012-04-23  Martin Jambor  <mjambor@suse.cz>
17462         * expr.c (expand_expr_real_1): Remove setting parent's alias set for
17463         temporaries created for a bitfield (reverting revision 122014).
17465 2012-04-23  Richard Guenther  <rguenther@suse.de>
17467         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
17468         the condition using is_gimple_condexpr and avoid the not necessary
17469         boolification.
17470         (set_prologue_iterations): Likewise.
17471         (vect_loop_versioning): Likewise.
17473 2012-04-23  Richard Guenther  <rguenther@suse.de>
17475         PR tree-optimization/53070
17476         * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
17477         (main_tree_if_conversion): Verify we succeeded in that.
17479 2012-04-23  Jan Hubicka  <jh@suse.cz>
17481         * lto-symtab.c (lto_cgraph_replace_node): Do not call
17482         mark_reahcable_node.
17483         * cgraph.c (cgraph_remove_node): Do not clear reachable.
17484         (cgraph_mark_reachable_node): Remove.
17485         (cgraph_mark_force_output_node): Do not set reachable.
17486         (dump_cgraph_node): Do not dump reachable.
17487         (cgraph_create_virtual_clone): Do not set reachable.
17488         * cgraph.h (cgraph_node): Remove reachable flag.
17489         (varpool_node): Remove reachable flag.
17490         (cgraph_mark_if_needed): Remove.
17491         (cgraph_mark_reachable_node): Remove.
17492         * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
17493         * cgraphunit.c (cgraph_finalize_function): Do not mark node as
17494         reachable.
17495         (cgraph_add_new_function): Likewise.
17496         (cgraph_mark_if_needed): Remove.
17497         (cgraph_analyze_function): Do not set target as reachable.
17498         (process_function_and_variable_attributes): Do not care about
17499         dllexport.
17500         (cgraph_analyze_functions): Do not set reachable flags.
17501         (cgraph_mark_functions_to_output): Do not check reachability.
17502         (cgraph_copy_node_for_versioning): Do not set reachable flag.
17503         (dbxout_expand_expr): Update.
17504         * c-decl.c (merge_decls): Do not track changed externs.
17505         * ipa.c: Include pointer-set.h
17506         (enqueue_cgraph_node): Use reachable pointer set.
17507         (process_references): Likewise.
17508         (cgraph_remove_unreachable_nodes): Likewise.
17509         (whole_program_function_and_variable_visibility): Do not recompute
17510         reachable.
17511         * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
17513 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
17515         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
17517 2012-04-23  Richard Guenther  <rguenther@suse.de>
17519         PR c/53060
17520         * c-typeck.c (build_binary_op): Fix typo.
17522 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
17524         PR tree-optimizations/52891
17525         * tree-vect-patterns.c (adjust_bool_pattern): Use
17526         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
17527         but with non-standard precision.
17529 2012-04-22  Jan Hubicka  <jh@suse.cz>
17531         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
17532         tree refs.
17534 2012-04-22  Jan Hubicka  <jh@suse.cz>
17536         * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
17537         * cgraphbuild.c (record_reference, record_type_list, mark_address,
17538         mark_load, mark_store): Do not mark varpool nodes as needed.
17539         * cgraph.c (cgraph_new_nodes): Remove.
17540         (cgraph_create_function_alias): Do not mark nodes as reachable.
17541         (cgraph_add_thunk): Likewise.
17542         (cgraph_mark_reachable_node): Do not manage the queue.
17543         * cgraph.h (cgraph_node): Remove next_needed.
17544         (varpool_nodes_queue): Remove next_needed and prev_needed.
17545         (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
17546         (cgraph_new_nodes): Declare.
17547         (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
17548         (varpool_analyze_pending_decls): Remove.
17549         (varpool_analyze_node): New.
17550         (varpool_mark_needed_node): Remove.
17551         (varpool_first_variable, varpool_next_variable): New inlines.
17552         (varpool_first_static_initializer, varpool_next_static_initializer):
17553         Update.
17554         (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
17555         (varpool_first_defined_variable): New inline.
17556         (varpool_next_defined_variable): New inline
17557         (FOR_EACH_VARIABLE): Reimplement.
17558         (FOR_EACH_DEFINED_VARIABLE): Reimplement.
17559         * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
17560         needed flag.
17561         * cgraphunit.c (cgraph_new_nodes): Declare here.
17562         (enqueue_node): New function.
17563         (cgraph_process_new_functions): update for new
17564         node set; when constructing cgraph enqueue node for processing.
17565         (cgraph_add_new_function): Use new node set.
17566         (process_function_and_variable_attributes): Do not set varpool needed
17567         flags.
17568         (referred_to_p): New function.
17569         (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
17570         when varpool is in construction.
17571         (cgraph_analyze_functions): Rewrite.
17572         (cgraph_expand_all_functions): Update.
17573         (cgraph_output_in_order): Do not analyze pending decls; do not set
17574         needed flags.
17575         (cgraph_optimize): Do not analyze pending decls.
17576         * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
17577         in other partition; do not mark node as needed.
17578         * dwarf2out.c (reference_to_unused): Use analyzed flag.
17579         (premark_types_used_by_global_vars_helper): Likewise.
17580         * ipa.c (process_references): Do not call varpool_mark_needed_node.
17581         (cgraph_remove_unreachable_nodes): Do not rely on varpool and
17582         cgrpah queues.
17583         (function_and_variable_visibility): Do not mark node as needed.
17584         (whole_program_function_and_variable_visibility): Likewise.
17585         * Makefile.in (gt-varpool.h): No longer needed.
17586         * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
17587         (ipa_write_summaries): Do not use needed flag.
17588         * varpool.c: Do not include gt-varpool.h
17589         (x_varpool_nodes_queue, x_varpool_last_needed_node,
17590         x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
17591         x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
17592         Remove.
17593         (varpool_remove_node): Do not update the lists.
17594         (dump_varpool_node): Do not dump needed flag.
17595         (varpool_enqueue_needed_node): Remove.
17596         (varpool_mark_needed_node): Remove.
17597         (varpool_reset_queue): Remove.
17598         (varpool_finalize_decl): Move to cgraphunit.c
17599         (varpool_analyze_node): New functions based on former
17600         varpool_analyze_pending_decls.
17601         (varpool_analyze_pending_decls): Remove.
17602         (varpool_assemble_decl): Do not update the lists.
17603         (enqueue_node): New function.
17604         (varpool_remove_unreferenced_decls): Rewrite.
17605         (varpool_empty_needed_queue): Remove.
17606         (add_new_static_var): Do not mark node as needed.
17607         (varpool_create_variable_alias): Handle expansion state
17608         creation.
17609         * except.c (output_ttype): Do not mark node as needed.
17610         * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
17611         * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
17612         Likewise.
17613         * tree-switch-conversion.c (build_one_array): Likewise.
17615 2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17617         PR c/44774
17618         * doc/invoke.texi (pedantic): Rename to Wpedantic.
17619         * common.opt (Wpedantic): New.
17620         (pedantic): Alias Wpedantic.
17621         * diagnostic.c (warning_at): Likewise.
17622         * c-decl.c (diagnose_mismatched_decls): Likewise.
17623         (build_array_declarator): Likewise.
17624         (mark_forward_parm_decls):
17625         (check_bitfield_type_and_width): Likewise.
17626         (grokdeclarator): Likewise.
17627         (grokfield): Likewise.
17628         (finish_struct): Likewise.
17629         (build_enumerator): Likewise.
17630         (store_parm_decls_oldstyle): Likewise.
17631         (declspecs_add_qual): Likewise.
17632         (declspecs_add_type): Likewise.
17633         (finish_declspecs): Likewise.
17634         * c-typeck.c (composite_type): Likewise.
17635         (comp_target_types): Likewise.
17636         (build_array_ref): Likewise.
17637         (pointer_diff): Likewise.
17638         (build_unary_op): Likewise.
17639         (build_conditional_expr): Likewise.
17640         (build_c_cast): Likewise.
17641         (convert_for_assignment): Likewise.
17642         (maybe_warn_string_init): Likewise.
17643         (digest_init): Likewise.
17644         (pop_init_level): Likewise.
17645         (set_init_index): Likewise.
17646         (c_finish_goto_label): Likewise.
17647         (c_finish_return): Likewise.
17648         (do_case): Likewise.
17649         (build_binary_op): Likewise.
17650         * c-parser.c (static): Likewise.
17651         (c_parser_external_declaration): Likewise.
17652         (c_parser_declaration_or_fndef): Likewise.
17653         (c_parser_static_assert_declaration_no_se): Likewise.
17654         (c_parser_enum_specifier): Likewise.
17655         (c_parser_struct_or_union_specifier): Likewise.
17656         (c_parser_struct_declaration): Likewise.
17657         (c_parser_alignas_specifier): Likewise.
17658         (c_parser_braced_init): Likewise.
17659         (c_parser_initelt): Likewise.
17660         (c_parser_compound_statement_nostart): Likewise.
17661         (c_parser_conditional_expression): Likewise.
17662         (c_parser_alignof_expression): Likewise.
17663         (c_parser_postfix_expression): Likewise.
17664         (c_parser_postfix_expression_after_paren_): Likewise.
17665         (c_parser_objc_class_instance_variables): Likewise.
17666         (c_parser_objc_method_definition): Likewise.
17667         (c_parser_objc_methodprotolist): Likewise.
17669 2012-04-22  Ian Lance Taylor  <iant@google.com>
17671         * godump.c (go_output_typedef): Dump size of structs.
17673 2012-04-22  Razya Ladelsky  <razya@il.ibm.com>
17675         Correcting transform_to_exit_first_loop + fix to PR46886
17676         * tree-parloops.c (transform_to_exit_first_loop): Remove
17677         setting of number of iterations according to the loop pattern.
17678         Duplicate from entry to exit->src instead of loop->latch.
17679         (pallelize_loops): Remove the condition preventing do-while loops.
17680         * tree-cfg.c (bool bb_in_region_p): New.
17681         (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
17682         Adjust redirection of the duplicated iteration.
17684 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
17686         PR bootstrap/53021
17687         * rtl.def (ADDRESS): Use "i" rather than "w".
17688         * rtl.h (find_base_term): Delete.
17689         (may_be_sp_based_p): Declare.
17690         * rtl.c (rtx_code_size): Remove ADDRESS special case.
17691         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
17692         (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
17693         * alias.c: ...here.
17694         (find_base_term): Make static.
17695         (may_be_sp_based_p): New function.
17696         * dse.c (record_store): Use it.
17697         * store-motion.c (store_killed_in_insn): Likewise.
17699 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
17701         * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
17703 2012-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17705         PR 35441
17706         * c-typeck.c (inform_declaration): New.
17707         (build_function_call_vec):  Do not pretty-print
17708         expressions when caret is enabled.
17709         (convert_arguments): Use inform_declaration.
17711 2012-04-20  Jim Meyering  <meyering@redhat.com>
17713         * genmodes.c (make_complex_modes): Don't truncate a mode name of
17714         length 7 or more when prepending a "C".  Suggested by Richard Guenther.
17716 2012-04-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17718         PR rtl-optimization/44214
17719         * fold-const.c (exact_inverse): New function.
17720         (fold_binary_loc): Fold vector and complex division by constant into
17721         multiply by recripocal with flag_reciprocal_math; fold vector division
17722         by constant into multiply by reciprocal with exact inverse.
17724 2012-04-20  Jan Hubicka  <jh@suse.cz>
17726         * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
17727         force flags.
17728         * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
17729         (cgraph_remove_node): Update.
17730         (cgraph_mark_needed_node): Remove.
17731         (cgraph_mark_force_output_node): New.
17732         (dump_cgraph_node): Do not dump needed flag.
17733         (cgraph_node_cannot_be_local_p_1): Update.
17734         (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
17735         * cgraph.h (symtab_node_base): Add force_output flag.
17736         (cgraph_node): Remove needed flag.
17737         (varpool_node): Remove force_output flag.
17738         (cgraph_mark_needed_node): Remove.
17739         (cgraph_mark_force_output_node): New.
17740         (cgraph_only_called_directly_or_aliased_p,
17741         varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
17742         * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
17743         * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
17744         (cgraph_add_new_function): Update.
17745         (cgraph_mark_if_needed): Update.
17746         (verify_cgraph_node): Update.
17747         (cgraph_analyze_function): Alias target is reachable.
17748         (process_function_and_variable_attributes): Update: externally_visible
17749         flag makes function reachable.
17750         (cgraph_analyze_functions): Update dumping.
17751         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
17752         input_overwrite_node, input_varpool_node): Update streaming.
17753         * lto-streamer-out.c (produce_symtab): Use force_output.
17754         * ipa.c (process_references): Weakrefs must be processed.
17755         (cgraph_remove_unreachable_nodes): Likewise; update for new
17756         force_output flag.
17757         (varpool_externally_visible_p): Weakrefs are externally visible
17758         even if they are not.
17759         (function_and_variable_visibility): Update; when processing alias
17760         pair force the targets to be output.
17761         (whole_program_function_and_variable_visility): Use
17762         mark_reachable_node.
17763         * trans-mem.c (ipa_tm_mark_needed_node): Remove
17764         (ipa_tm_mark_force_output_node): New function.
17765         (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
17766         * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
17767         aliases.
17768         * varasm.c (mark_decl_referenced): Update.
17769         (find_decl_and_mark_needed): Remove.
17770         (find_decl): New function.
17771         (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
17772         alias targets as needed.
17773         (dump_tm_clone_pairs): Update.
17774         * tree-inline.c (copy_bb): Update check.
17775         * symtab.c (dump_symtab_base): Dump force_output.
17776         * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
17777         * passes.c (execute_todo): Fix dumping.
17778         * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
17779         (varpool_analyze_pending_decls): Alias target is reachable.
17780         (varpool_create_variable_alias): Finalize weakrefs.
17782 2012-04-20  Jakub Jelinek  <jakub@redhat.com>
17784         PR bootstrap/53021
17785         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
17786         UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
17787         * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
17788         macros instead of constants.
17789         * dse.c (record_store): Check for SP ADDRESS by comparing
17790         XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
17791         XEXP to be stack_pointer_rtx.
17793 2012-04-20  Richard Guenther  <rguenther@suse.de>
17795         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
17796         update_call_from_tree when propagating into a call.
17798 2012-04-20  Alan Modra  <amodra@gmail.com>
17800         * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
17801         (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.  Rename
17802         sp_offset to frame_off.  Move world save code earlier.
17804 2012-04-20  Richard Guenther  <rguenther@suse.de>
17806         PR tree-optimization/53050
17807         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
17808         Do only one transform on COND_EXPRs at the same time.
17810 2012-04-19  Jan Hubicka  <jh@suse.cz>
17812         * symtab.c (dump_symtab_base): Revert accidental checkin.
17814 2012-04-20  Alan Modra  <amodra@gmail.com>
17816         PR target/53040
17817         * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
17818         static chain, set REST_INLINE_FPRS too.
17820 2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>
17822         * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
17823         nodes.
17825 2012-04-20  Richard Guenther  <rguenther@suse.de>
17827         * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
17828         loops that can never run more often than the vectorization factor.
17830 2012-04-19  Jan Hubicka  <jh@suse.cz>
17832         * symtab.c (dump_symtab_base): Fix dumping of asm lists.
17834 2012-04-19  David Edelsohn  <dje.gcc@gmail.com>
17836         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
17838 2012-04-19  Jim Meyering  <meyering@redhat.com>
17840         * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
17841         We verified above that the string(including trailing NUL) fits in buf,
17842         so just use memcpy.
17844 2012-04-19  Richard Guenther  <rguenther@suse.de>
17846         * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
17847         for dumping DECL_SECTION_NAME.
17849 2012-04-19  Michael Matz  <matz@suse.de>
17851         PR middle-end/52977
17852         * tree.h (VECTOR_CST_NELTS): Use part number of types again.
17853         (struct tree_vector): Adjust GTY length.
17854         * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
17856         * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
17857         members.
17858         (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
17859         caller emitted the length calulation already.
17860         (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
17861         before handling any of the fields for structs.
17863 2012-04-19  Richard Guenther  <rguenther@suse.de>
17865         PR tree-optimization/53031
17866         * tree-vrp.c (adjust_range_with_scev): Revert back to
17867         using max_loop_iterations.
17869 2012-04-19  Michael Matz  <matz@suse.de>
17871         * diagnostic.c (emit_diagnostic): Move va_end call after user
17872         of the va_list.
17873         (warning, warning_at, pedwarn, permerror): Ditto.
17875 2012-04-19  Richard Guenther  <rguenther@suse.de>
17877         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
17878         array access.
17880 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
17882         PR target/53033
17883         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
17884         the case *(X+const).
17886 2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
17888         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
17890 2012-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17892         PR c/52283/37985
17893         * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
17894         * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
17896 2012-04-19  Richard Guenther  <rguenther@suse.de>
17898         PR rtl-optimization/44688
17899         * loop-iv.c (determine_max_iter): Only return max_iter.
17900         (iv_number_of_iterations): Also use the recorded loop bound
17901         on the maximum number of iterations.
17902         * loop-unroll.c (decide_unroll_runtime_iterations): Use
17903         max_iter to avoid unrolling loops that do not roll.
17904         (decide_unroll_stupid): Likewise.
17906 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
17908         * targhooks.c (default_case_values_threshold): Fix code style nit.
17910         * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
17911         case range and type folding from here...
17912         * gimplify.c (gimplify_switch_expr): ... to here.  Expect NULL_TREE
17913         type, as documented in tree.def.
17915 2012-04-18  Jan Hubicka  <jh@suse.cz>
17917         * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
17918         Declare.
17919         * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
17920         cgraph hash and same comdat groups.
17921         (cgraph_optimize): Verify symbol table.
17922         * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
17923         (dissolve_same_comdat_group_list): Work on symtab nodes.
17924         (function_and_variable_visibility): Dissolve variable same comdat group
17925         lists, too.
17926         * symtab.c: Include timevar.h
17927         (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
17929 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
17931         * tree-switch-conversion.c (info): Remove global pass info.
17932         (check_range, check_process_case, check_final_bb, create_temp_arrays,
17933         free_temp_arrays, gather_default_values, build_constructors,
17934         array_value_type, build_one_array, build_arrays, gen_def_assigns,
17935         fix_phi_nodes, gen_inbound_check): Pass info around from ...
17936         (process_switch): ... here.  Unify message format.  Return a const
17937         char pointer to the failure reason message.
17938         (do_switchconv): Unify message format.  Update process_switch usage.
17940         * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
17941         * tree-cfg.c (edge_to_cases): Fix documentation.
17943 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
17945         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
17947 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17949         PR tree-optimization/52976
17950         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
17951         (possibly_move_powi): New function.
17952         (rewrite_expr_tree): Call possibly_move_powi.
17953         (rewrite_expr_tree_parallel): Likewise.
17954         (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
17955         call add_to_ops_vec instead.
17957 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17959         PR tree-optimization/52976
17960         * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
17961         (decrement_power): Likewise.
17962         (propagate_op_to_single_use): Likewise.
17963         (zero_one_operation): Handle __builtin_pow* calls in linearized
17964         expression trees; factor logic into propagate_op_to_single_use.
17965         (undistribute_ops_list): Allow operands with repeat counts > 1.
17967 2012-04-18  Richard Guenther  <rguenther@suse.de>
17969         PR tree-optimization/44688
17970         * cfgloop.h (record_niter_bound): Declare.
17971         * tree-ssa-loop-niter.c (record_niter_bound): Export.
17972         Update the estimation with the upper bound here...
17973         (estimate_numbers_of_iterations_loop): ... instead of here.
17974         Do not forcefully reset a recorded upper bound.
17975         * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
17976         Record the maximum number of loop iterations of the prologue loop.
17978 2012-04-18  Jan Hubicka  <jh@suse.cz>
17980         * lto-symtab.c (lto_cgraph_replace_node): Update.
17981         * cgraphbuild.c (record_reference, record_type_list,
17982         record_eh_tables, mark_address, mark_load, mark_store): Update.
17983         * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
17984         cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
17985         Update.
17986         * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
17987         (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
17988         * reload.c: Fix typo in comment.
17989         * rtlanal.c: Likewise.
17990         * tree-emultls.c (gen_emutls_addr): Update.
17991         * ipa-reference.c (analyze_function): Update.
17992         * cgraphunit.c (cgraph_analyze_function,
17993         cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
17994         Update.
17995         * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
17996         (ipa_remove_reference): Likewise.
17997         (ipa_remove_all_refering): Rename to ...
17998         (ipa_remove_all_referring): ... this one; update.
17999         (ipa_dump_references): Update.
18000         (ipa_dump_referring): Update.
18001         (ipa_clone_references): Update.
18002         (ipa_clone_refering): Rename to ...
18003         (ipa_clone_referring): ... this one; update.
18004         (ipa_ref_cannot_lead_to_return): Update.
18005         (ipa_ref_has_aliases_p): Update.
18006         * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
18007         forward typedefs.
18008         (ipa_ref_type): Remove.
18009         (ipa_ref_ptr_u): Remove.
18010         (ipa_ref): Remove referencing, refered, refered_index, refering_type
18011         and refered_type; add referring, referred and referred_index.
18012         (ipa_ref_list): Rename refering to referring.
18013         (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
18014         ipa_clone_references, ipa_clone_referring): Update prototypes.
18015         * lto-cgraph.c (referenced_from_other_partition_p): Update.
18016         (lto_output_ref): Update.
18017         (add_references): Update.
18018         (input_varpool_node): Update.
18019         (input_refs): Update.
18020         * ipa-ref-inline.h (ipa_ref_node): Update.
18021         (ipa_ref_varpool_node): Update.
18022         (ipa_ref_referring_node): Update.
18023         (ipa_ref_referring_varpool_node): Update.
18024         (ipa_ref_referring_ref_list): Update.
18025         (ipa_ref_referred_ref_list): Update.
18026         (ipa_ref_list_first_referring): Update.
18027         (ipa_empty_ref_list): Update.
18028         (ipa_ref_list_refering_iterate): Rename to ...
18029         (ipa_ref_list_referring_iterate): ... this one.
18030         * cse.c: Update comment.
18031         * ipa-utils.c (ipa_reverse_postorder): Update.
18032         * tree-ssa-alias.c: Update.
18033         * ipa-inline.c (reset_edge_caches): Update.
18034         (update_caller_keys): Update.
18035         * ipa-inline.h: Update comments.
18036         * jump.c: Update comment.
18037         * alias.c: Likewise.
18038         * ipa.c (process_references): Update.
18039         (cgraph_remove_unreachable_nodes): Likewise.
18040         (ipa_discover_readonly_nonaddressable_var): Likewise.
18041         (cgraph_address_taken_from_non_vtable_p): Likewise.
18042         * trans-mem.c (ipa_tm_execute): Update.
18043         * simplify-rtx.c: Fix comment.
18044         * rtl.c: Fix comment.
18045         * symtab.c (symtab_unregister_node): Update.
18046         * varpool.c (dump_varpool_node): Update.
18047         (varpool_analyze_pending_decls): Update.
18048         (assemble_aliases): Update.
18049         (varpool_for_node_and_aliases): Update.
18051 2012-04-18  Richard Guenther  <rguenther@suse.de>
18053         * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
18054         use_undefined_p parameter.
18055         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
18056         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
18057         Likewise.
18058         (estimate_numbers_of_iterations): Likewise.
18059         (estimated_loop_iterations): Adjust.
18060         (max_loop_iterations): Likewise.
18061         (scev_probably_wraps_p): Likewise.
18062         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
18063         * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
18064         not max_loop_iterations.
18065         (execute_vrp): Remove explicit number of iterations estimation.
18067 2012-04-18  Enkovich Ilya  <ilya.enkovich@intel.com>
18069         * config/i386/linux-common.h: New.
18071         * config.gcc: Add i386/linux-common.h before
18072         all i386/linux.h and i386/linux64.h usages.
18074         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
18075         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
18076         * config/i386/gnu-user64.h: Likewise.
18078         * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
18079         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
18080         (GNU_USER_TARGET_MATHFILE_SPEC): New.
18081         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
18083 2012-04-18  Jan Hubicka  <jh@suse.cz>
18085         * cgraph.c (cgraph_node_name): Remove.
18086         (dump_cgraph_node): Use dump_symtab_base; reformat.
18087         * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
18088         debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
18089         Declare.
18090         (cgraph_node_name, varpool_node_name): Remove.
18091         (cgraph_node_asm_name, varpool_node_asm_name,
18092         cgraph_node_name, varpool_node_name): New.
18093         * tree-pass.h (TODO_dump_cgraph): Rename to ...
18094         (TODO_dump_symtab): ... this one.
18095         * ipa-cp (pass_ipa_cp): Update.
18096         * ia-reference.c (generate_summary, read_write_all_from_decl,
18097         propagate, ipa_reference_read_optimization_summary): Update.
18098         * cgraphunit.c (cgraph_analyze_functions): Update.
18099         (cgraph_optimize): Update.
18100         * ipa-ref.c (ipa_dump_references): Update.
18101         (ipa_dump_refering): Update.
18102         * ipa-inline.c (pass_ipa_inline): Update.
18103         * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
18104         * ipa.c (pass_ipa_function_visibility,
18105         pass_ipa_whole_program_visibility): Update.
18106         * tree-sra.c (pass_early_ipa_sra): Update.
18107         * symtab.c: Include langhooks.h
18108         (symtab_node_asm_name): New.
18109         (symtab_node_name): New.
18110         (symtab_type_names): New static var.
18111         (dump_symtab_base): New.
18112         (dump_symtab_node, dump_symtab): New.
18113         (debug_symtab_node,  debug_symtab): New.
18114         * tree-ssa-structalias.c: Dump symbol table.
18115         * pases.c (execute_todo): Handle TODO_dump_symtab instead
18116         of TODO_dump_cgraph.
18117         * varpoo.c (varpool_node_name): Remove.
18118         (dump_varpool_node): Use dump_symtab_base; reformat.
18120 2012-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
18122         * doc/invoke.texi (Language Independent Options): @item should be
18123         before @opindex.
18125 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
18127         PR bootstrap/53021
18128         * rtl.c (rtx_code_size): Handle ADDRESS.
18130 2012-04-17  Tom de Vries  <tom@codesourcery.com>
18132         * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
18133         is not a STMT_LIST.
18135 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
18137         PR target/53020
18138         * config/i386/sync.md (atomic_<code><mode>): Rename to
18139         atomic_<logic><mode>.
18141 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
18143         * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
18144         * alias.c (reg_base_value): Expand and update comment.
18145         (arg_base_value): New variable.
18146         (unique_id): Move up file.
18147         (unique_base_value, unique_base_value_p, known_base_value_p): New.
18148         (find_base_value): Use arg_base_value and known_base_value_p.
18149         (record_set): Document REG_NOALIAS handling.  Use unique_base_value.
18150         (find_base_term): Use known_base_value_p.
18151         (base_alias_check): Use unique_base_value_p.
18152         (init_alias_target): Initialize arg_base_value.  Use unique_base_value.
18153         (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
18155 2012-04-17  Pat Haugen <pthaugen@us.ibm.com>
18157         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
18159 2012-04-17  Michael Matz  <matz@suse.de>
18161         PR tree-optimization/18437
18162         * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
18163         (STMT_VINFO_STRIDE_LOAD_P): New accessor.
18164         (vect_check_strided_load): Declare.
18165         * tree-vect-data-refs.c (vect_check_strided_load): New function.
18166         (vect_analyze_data_refs): Use it to accept strided loads.
18167         * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
18169 2012-04-17  Richard Guenther  <rguenther@suse.de>
18171         PR middle-end/53011
18172         * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
18173         loops when redirecting an entry or latch edge.
18175 2012-04-17  Bernd Schmidt  <bernds@codesourcery.com>
18177         * sel-sched.c (sel_global_init): Revert previous change.
18179 2012-04-17  Richard Guenther  <rguenther@suse.de>
18181         * tree-flow.h (array_at_struct_end_p): Move declaration ...
18182         * tree.h (array_at_struct_end_p): ... here.
18183         * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
18184         * expr.c (array_at_struct_end_p): ... here.  Rewrite.
18186 2012-04-17  Steven Bosscher  <steven@gcc.gnu.org>
18188         * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
18189         COST_TABLE): Remove.
18190         (estimate_case_costs): Remove.
18191         (expand_case): Do not call estimate_case_costs
18192         to set use_cost_table.
18193         (balance_case_nodes): Do not use use_cost_table.
18195 2012-04-16  Jan Hubicka  <jh@suse.cz>
18197         * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
18198         (hash_node, eq_node): Remove.
18199         (cgraph_create_node): Do not handle hashtable.
18200         (cgraph_get_node): Remove.
18201         (cgraph_insert_node_to_hashtable): Remove.
18202         (hash_node_by_assembler_name): Remove.
18203         (eq_assembler_name): Remove.
18204         (cgraph_node_for_asm): Rewrite.
18205         (cgraph_find_replacement_node): Break out from ...
18206         (cgraph_remove_node): ... here; do not maintain hashtables.
18207         (change_decl_assembler_name): Remove.
18208         (cgraph_clone_node): Do not maintain hashtables.
18209         * cgraph.h (const_symtab_node): New typedef.
18210         (cgraph_insert_node_to_hashtable): Remove.
18211         (symtab_get_node, symtab_node_for_asm,
18212         symtab_insert_node_to_hashtable): Declare.
18213         (cgraph_find_replacement_node): Declare.
18214         (cgraph_get_node, varpool_get_node): Turn into inlines.
18215         (cgraph, varpool): Work sanely on NULL pointers.
18216         (FOR_EACH_SYMBOL): New walker.
18217         * ipa-inline-transform.c (save_inline_function_body): Use
18218         symtab_insert_node_to_hashtable.
18219         * symtab.c: Include ggc.h and diagnostics.h
18220         (symtab_hash, assembler_name_hash): New static vars;
18221         (hash_node, eq_node, hash_node_by_assembler_name,
18222         eq_assembler_name, insert_to_assembler_name_hash,
18223         unlink_from_assembler_name_hash): New.
18224         (symtab_register_node): Update hashtables.
18225         (symtab_insert_node_to_hashtable): New.
18226         (symtab_unregister_node): Update hashtables.
18227         (symtab_get_node): New.
18228         (symtab_node_for_asm): New.
18229         (change_decl_assembler_name): New.
18230         * Makefile.in (symtab.o): Needs GTY.
18231         * varpool.c (varpool_hash): Remove.
18232         (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
18233         (varpool_node): Rewrite using varpool_get_node.
18234         (varpool_remove_node): DO not maintain hashtables.
18235         (varpool_node_for_asm): Rewrite.
18237 2012-04-16  Sandra Loosemore  <sandra@codesourcery.com>
18239         * doc/invoke.texi:  Copy-edit to put verbs in the present tense
18240         when describing the current behavior of GCC.
18242 2012-04-16  Richard Sandiford  <rdsandiford@googlemail.com>
18244         * genemit.c (gen_exp): Remove ADDRESS handling.
18245         * genoutput.c (scan_operands): Likewise.
18246         * genpeep.c (match_rtx): Likewise.
18247         * genrecog.c (add_to_sequence): Likewise.
18249 2012-04-16  David Edelsohn  <dje.gcc@gmail.com>
18251         * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
18253 2012-04-16  Martin Jambor  <mjambor@suse.cz>
18255         * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
18256         bit-fields.
18258 2012-04-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
18260         PR target/51819
18261         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
18262         hints for 'A' operand types.
18264 2012-04-16  Jan Hubicka  <jh@suse.cz>
18266         * cgraph.h (symtab_node_base): Add next and previous pointers.
18267         (cgraph_node): Remove next and preivous pointers.
18268         (varpool_node): Likewise; remove next/previous GTY marker;
18269         it is not type safe.
18270         (symtab_node_def): Update GTY marker
18271         (x_cgraph_nodes, cgraph_nodes): Remove.
18272         (symtab_nodes): New function.
18273         (cgraph_order): Rename to ...
18274         (symtab_order): ... this one.
18275         (symtab_register_node, symtab_unregister_node, symtab_remove_node):
18276         Declare.
18277         (x_varpool_nodes, varpool_nodes): Remove.
18278         (FOR_EACH_STATIC_VARIABLE): Update.
18279         (symtab_function_p, symtab_variable_p): New function.
18280         (FOR_EACH_VARIABLE): Update.
18281         (varpool_first_variable, varpool_next_variable): New functions.
18282         (FOR_EACH_VARIABLE): Update.
18283         (cgraph_first_defined_function): Update.
18284         (cgraph_next_defined_function, cgraph_next_defined_function): Update.
18285         (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
18286         (cgraph_first_function, cgraph_next_function): New.
18287         (FOR_EACH_FUNCTION): Update.
18288         (cgraph_first_function_with_gimple_body,
18289         cgraph_next_function_with_gimple_body): Update.
18290         * symtab.c: New file.
18291         * cgraph.c: Update copyright dates.
18292         (x_cgraph_nodes, cgraph_order): Remove.
18293         (NEXT_FREE_NODE): Update.
18294         (SET_NEXT_FREE_NODE): New.
18295         (cgraph_create_node_1): Remove common code.
18296         (cgraph_create_node): Remove common code; call symtab_register_node.
18297         (cgraph_remove_node): Remove common code; call symtab_unregister-node.
18298         (cgraph_add_asm_node): Update.
18299         (cgraph_clone_node): Register new node.
18300         * cgraphunit.c (process_function_and_variable_attributes): Update.
18301         (cgraph_analyze_functions): Update.
18302         (cgraph_analyze_functions): Update.
18303         (cgraph_output_in_order): Update.
18304         * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
18305         Update.
18306         * ipa-inline.c (recursive_inlining): Update.
18307         * lto-streamer-in.c (lto_input_toplevel_asms): Update.
18308         * ipa.c (cgraph_remove_unreachable_nodes): Update.
18309         * Makefile.in: Add symtab.o
18310         * varpool.c (x_varpool_nodes): Remove
18311         (varpool_node): Remove common code; call symtab_register_node.
18312         (varpool_remove_node): Remove common code; call symtab_unregister_node.
18314 2012-04-16  Richard Guenther  <rguenther@suse.de>
18316         PR middle-end/52977
18317         * tree.h (VECTOR_CST_NELTS): Adjust.
18318         (struct tree_vector): Add explicit length field.
18319         (make_vector_stat): Declare.
18320         (make_vector): Define.
18321         * tree.c (make_vector_stat): New function.
18322         (build_vector_stat): Use it.
18323         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
18325 2012-04-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18327         PR tree-optimization/52976
18328         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
18329         (undistribute_ops_list): Ops with repeat counts aren't eligible for
18330         undistribution.
18331         (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
18333 2012-04-16  Jan Hubicka  <jh@suse.cz>
18335         * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
18336         New macros.
18337         * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
18338         walkers to walk cgraph and varpool.
18339         * cgraph.c (cgraph_node_for_asm): Likewise.
18340         (dump_cgraph): Likewise.
18341         * value-prof.c (init_node_map): Likewise.
18342         * tree.c (free_lang_data_in_cgraph): Likewise.
18343         * tree-emutls.c: (ipa_lower_emutls): Likewise.
18344         * ipa-reference.c (generate_summary, propagate): Likewise.
18345         * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
18346         cgraph_mark_functions_to_output, cgraph_output_in_order,
18347         output_weakrefs, cgraph_materialize_all_clones,
18348         cgraph_optimize): Likewise.
18349         * lto-cgraph.c (merge_profile_summaries): Likewise.
18350         (input_cgraph): Likewise.
18351         * ipa-pure-const.c (generate_summary): Likewise.
18352         (propagate): Likwise.
18353         * ipa-utils.c (ipa_reduced_postorder): Likewise.
18354         (ipa_free_postorder_info): Likewise.
18355         (ipa_reverse_postorder): Likewise.
18356         * ipa-inline.c (ipa_inline): Likewise.
18357         * matrix-reorg.c (find_matrices_decl): Likewise.
18358         (matrix_reorg): Likewise.
18359         * tree-vectorizer.c (increase_alignment): Likewise.
18360         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
18361         (function_and_variable_visibility): Likewise.
18362         (whole_program_function_and_variable_visibility): Likewise.
18363         (ipa_cdtor_merge): Likewise.
18364         * trans-mem.c (ipa_tm_execute): Likewise.
18365         * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
18366         * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
18367         (ipa_print_all_params): Likewise.
18368         (ipa_update_after_lto_read): Likewise.
18369         * tree-profie.c (tree_profiling): Likewise.
18370         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
18371         * passes.c (dump_passes): Likewise.
18372         (do_per_function): Likewise.
18373         (ipa_write_summaries): Likewise.
18374         * varpool.c (dump_varpool): Likewise.
18375         (varpool_node_for_asm): Likewise.
18376         (varpool_assemble_pending_decls): Likewise.
18378 2012-04-16  Richard Guenther  <rguenther@suse.de>
18380         PR tree-optimization/52975
18381         * tree-if-conv.c (predicate_bbs): Do not simplify inverted
18382         condition but always mark it with TRUTH_NOT_EXPR.
18384 2012-04-16  Richard Guenther  <rguenther@suse.de>
18386         PR tree-optimization/52975
18387         * tree-ssa-forwprop.c (combine_cond_exprs): New function.
18388         (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
18389         and VEC_COND_EXPRs.  Also combine into VEC_COND_EXPRs condition.
18390         * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
18392 2012-04-14  Uros Bizjak  <ubizjak@gmail.com>
18394         * config/i386/sse.md (ssse3_plusminus): New code iterator.
18395         (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
18396         avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
18397         (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
18398         ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
18399         (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
18400         ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
18402         (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
18403         avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
18404         (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
18405         ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
18406         (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
18407         ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
18409         (xop_plus): New code iterator.
18410         (macs): New code attribute.
18411         (macds): Ditto.
18412         (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
18413         xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
18414         iterator.
18415         (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
18416         xop_plus code iterator.
18417         (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
18418         xop_plus code iterator.
18419         (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
18420         xop_plus code iterator.
18421         (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
18422         xop_plus code iterator.
18424         (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
18425         any_extend code iterator.
18426         (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
18427         any_extend code iterator.
18428         (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
18429         any_extend code iterator.
18430         (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
18431         any_extend code iterator.
18432         (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
18433         any_extend code iterator.
18434         (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
18435         any_extend code iterator.
18437 2012-04-14  Tom de Vries  <tom@codesourcery.com>
18439         * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
18440         call to delete_insn.  Remove code to reorder BASIC_BLOCK note and
18441         DELETED_LABEL note, and move it to ...
18442         * cfgrtl.c (delete_insn): ... here.  Change return type to void.
18443         (delete_insn_and_edges): Likewise.
18444         (delete_insn_chain): Handle new return type of delete_insn.  Delete
18445         chain backwards rather than forwards.
18446         * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
18447         void.
18448         * cfglayout.c (fixup_reorder_chain): Delete unused label.
18450 2012-04-14  Jan Hubicka  <jh@suse.cz>
18452         * cgraph.h: Update copyrights;
18453         (symtab_node): Turn to union typedef.
18454         (symtab_node_base): New structure.
18455         (symtab_type): Add SYMTAB_SYMBOL tag.
18456         (cgraph_node): Annotate some pinters with nested_ptr.
18457         (varpool_node): Likewise.
18458         (cgraph_local_info): Remove lto_file_data
18459         and externally_visible.
18460         (cgraph_node): Remove decl; same_comdat_group list;
18461         aux; ref_list; order; address_taken; reachable_from_other_parittion,
18462         in_other_partition; resolution.
18463         (varpool_node): Remove decl; same_comdat_group;
18464         ref_list; lto_file_data; aux; order; resolution; externally_visible;
18465         used_from_other_partition; in_other_partition.
18466         (symtab_node_def): New union.
18467         (cgraph, varpool): Update.
18468         (varpool_first_static_initializer, varpool_next_static_initializer,
18469         cgraph_only_called_directly_or_aliased_p,
18470         varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
18471         varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
18472         varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
18473         field references.
18474         * cgraph.c: Likewise.
18475         (cgraph_hash, assembler_name_hash): Turn into symtab_node.
18476         * cgraphbuild.c: Likewise.
18477         * lto-symtab.c: Likewise.
18478         * c-gimplify.c: Likewise.
18479         * value-prof.c: Likewise.
18480         * tree.c: Likewise.
18481         * ipa-cp.c: Likewise.
18482         * tree-emutls.c: Likewise.
18483         * ipa-inline-transform.c: Likwise.
18484         * ipa-reference.c: Likewise.
18485         * cgraphunit.c: Likewise.
18486         * ipa-ref.c: Likewise.
18487         * lto-cgraph.c: Likewise.
18488         * ipa-ref-inline.h: Likewise.
18489         * ipa-pure-const.c: Likewise.
18490         * lto-streamer-out.c: Likewise.
18491         * ipa-utils.c: Likewise.
18492         * ipa-inline.c: Likewise.
18493         * matrix-reorg.c: Likewise.
18494         * tree-eh.c: Likewise.
18495         * tree-vectorizer.c: Likewise.
18496         * ipa-split.c: Likewise.
18497         * ipa.c: Likewise.
18498         * trans-mem.c: Likewise.
18499         * ipa-inline-analysis.c: Likewise.
18500         * gimplify.c: Likewise.
18501         * cfgexpand.c: Likewise.
18502         * tree-sra.c: Likewise.
18503         * ipa-prop.c: Likewise.
18504         * varasm.c: Likewise.
18505         * tree-nested.c: Likewise.
18506         * tree-inline.c: Likewise.
18507         * tree-profile.c: Likewise.
18508         * tree-ssa-structalias.c: Likewise.
18509         * passes.c: Likewise.
18510         * varpool.c: Likewise.
18512 2012-04-14  Tom de Vries  <tom@codesourcery.com>
18514         * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
18515         same_succ_hash, with local_def inlined.  Use SINGLE_SSA_DEF_OPERAND.
18516         Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.  Remove use
18517         of find_edge.
18518         (gsi_advance_fw_nondebug_nonlocal): New function.
18519         (local_def): Removed function.
18520         (same_succ_hash): Use stmt_local_def.
18521         (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
18522         (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
18524 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
18526         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
18527         and __ILP32__ for x32.
18529 2012-04-13  Martin Jambor  <mjambor@suse.cz>
18531         PR middle-end/52939
18532         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
18533         fold_ctor_reference returns a zero constant.
18535 2012-04-13  Enkovich Ilya  <ilya.enkovich@intel.com>
18537         * config.gcc: Add i386/gnu-user-common.h before all
18538         i386/gnu-user.h and i386/gnu-user64.h usages.
18540         * config/i386/gnu-user-common.h: New.
18542         * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
18543         (CC1_SPEC): Likewise.
18544         (ENDFILE_SPEC): Likewise.
18545         (DEFAULT_PCC_STRUCT_RETURN): Likewise.
18546         (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
18547         (TARGET_OS_CPP_BUILTINS): Likewise.
18548         (LIBGCC2_HAS_TF_MODE): Likewise.
18549         (LIBGCC2_TF_CEXT): Likewise.
18550         (TF_SIZE): Likewise.
18551         (TARGET_ASM_FILE_END): Likewise.
18552         (STACK_CHECK_MOVING_SP): Likewise.
18553         (STACK_CHECK_STATIC_BUILTIN): Likewise.
18554         * config/i386/gnu-user64.h: Likewise.
18556 2012-04-13  Martin Jambor  <mjambor@suse.cz>
18558         * expr.c (expand_expr_real_1): Pass type, not the expression, to
18559         set_mem_attributes for a memory temporary. Do not call the function
18560         for the memory temporary created for a bitfield.
18562 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
18564         PR debug/48866
18565         * df.h (enum debug_temp_where): New.
18566         (dead_debug_init, dead_debug_finish) Declare.
18567         (dead_debug_add, dead_debug_insert_temp): Declare.
18568         (struct dead_debug_use, struct dead_debug): Moved from...
18569         * df-problems.c: ... here.
18570         (df_set_unused_notes_for_mw): Bind debug uses of unused regno
18571         to a debug temp.
18572         (df_create_unused_note): Likewise.
18573         (df_set_dead_notes_for_mw): Move comment where it belongs.
18574         (dead_debug_init): Export.
18575         (dead_debug_reset_uses): New, factored out of...
18576         (dead_debug_finish): ...this.  Export.
18577         (dead_debug_reset): Remove.
18578         (dead_debug_add): Export.
18579         (dead_debug_insert_before): Rename to...
18580         (dead_debug_insert_temp): ... this.  Add where argument.  Export.
18581         Locate stored value for BEFORE_WITH_VALUE.  Avoid repeat inserts.
18582         Return insertion count.
18583         (df_note_bb_compute): Adjust.
18584         * dce.c (word_dce_process_block): Adjust dead debug uses.
18585         (dce_process_block): Likewise.
18587 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
18589         * df-problems.c (df_note_bb_compute): Do not take note of
18590         debug uses for whose REGs we won't emit DEAD or UNUSED notes.
18592 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
18594         PR debug/51570
18595         * var-tracking.c (expand_depth): New type.
18596         (onepart_aux, expand_loc_callback_data): Change depth type to it.
18597         (loc_exp_dep_alloc): Adjust initializer.
18598         (update_depth): Use new type.  Add entryvals.
18599         (vt_expand_var_loc_chain): Take note of expansions with
18600         ENTRY_VALUEs, but don't accept them right away.  Run an optional
18601         second pass accepting the minimum ENTRY_VALUE count found in the
18602         first pass.
18603         (vt_expand_loc_callback, INIT_ELCD): Adjust.
18605 2012-04-13  Tom de Vries  <tom@codesourcery.com>
18607         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
18608         parameters vuse and vuse_escaped.
18609         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
18610         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
18611         vuse1 != vuse2.
18613 2012-04-13  Richard Guenther  <rguenther@suse.de>
18615         PR tree-optimization/52969
18616         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
18617         the condition for the COND_EXPR and handle predicate negation
18618         by swapping the COND_EXPR arms.
18620 2012-04-13  Nick Clifton  <nickc@redhat.com>
18622         * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
18623         TODO_dump_func flag.
18625 2012-04-13  Andrey Belevantsev  <abel@ispras.ru>
18627         PR rtl-optimization/52203
18628         PR rtl-optimization/52715
18630         Revert the 2012-03-07 fix for PR 52203.
18631         * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
18632         the insn does not modify DFA right before issuing, adjust
18633         issue_rate accordingly.
18635 2012-04-13  Richard Guenther  <rguenther@suse.de>
18637         PR c/52549
18638         * c-typeck.c (pointer_diff): Remove bogus assert.
18640 2012-04-13  Richard Guenther  <rguenther@suse.de>
18642         PR c/52862
18643         * convert.c (convert_to_pointer): Remove special-casing of zero.
18645 2012-04-13  Joey Ye  <joey.ye@arm.com>
18647         * config/arm/constraints.md (Pe): New constraint.
18648         * config/arm/arm.md: New split for imm 256-510.
18650 2012-04-13  Terry Guo  <terry.guo@arm.com>
18652         * config/arm/arm-cores.def: Added core cortex-m0plus.
18653         * config/arm/arm-tune.md: Regenerated.
18654         * config/arm/arm-tables.opt: Regenerated.
18655         * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
18657 2012-04-13  Alan Modra  <amodra@gmail.com>
18659         PR target/52828
18660         * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
18661         tie regs on destination of sets.  Delete forward declaration.
18662         (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
18663         (rs6000_emit_prologue): Likewise.
18664         (rs6000_emit_epilogue): Likewise.  Use in place of gen_frame_tie
18665         and gen_stack_tie.
18666         (is_mem_ref): Use tie_operand to recognise stack ties.
18667         * config/rs6000/predicates.md (tie_operand): New.
18668         * config/rs6000/rs6000.md (restore_stack_block): Generate new
18669         stack tie rtl.
18670         (restore_stack_nonlocal): Likewise.
18671         (stack_tie): Update.
18672         (frame_tie): Delete.
18674 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18676         * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
18677         HOST_WIDE_INT_PRINT_DEC in format strings.
18679 2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
18681         PR target/52932
18682         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
18683         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
18684         * config/i386/sse.md (UNSPEC_VPERMVAR): New.
18685         (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
18686         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
18687         (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
18688         avx2_permvarv8si using VI4F_256 mode iterator.
18689         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
18690         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
18691         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
18692         gen_avx2_permvarv8sf.
18693         (expand_vec_perm_pshufb): Ditto.
18695 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
18697         PR target/52775
18698         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
18699         the list of options to enable the FCFID instruction.
18700         (TARGET_EXTRA_BUILTINS): Adjust comment.
18702 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18704         PR tree-optimization/18589
18705         * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
18706         (operand_entry): Add count field.
18707         (add_repeat_to_ops_vec): New function.
18708         (completely_remove_stmt): Likewise.
18709         (remove_def_if_absorbed_call): Likewise.
18710         (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
18711         (acceptable_pow_call): New function.
18712         (linearize_expr_tree): Look for builtin pow/powi calls and add operand
18713         entries with repeat counts when found.
18714         (repeat_factor_d): New struct and associated typedefs.
18715         (repeat_factor_vec): New static vector variable.
18716         (compare_repeat_factors): New function.
18717         (get_reassoc_pow_ssa_name): Likewise.
18718         (attempt_builtin_powi): Likewise.
18719         (reassociate_bb): Call attempt_builtin_powi.
18720         (fini_reassoc): Two new calls to statistics_counter_event.
18722 2012-04-12  Richard Guenther  <rguenther@suse.de>
18724         * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
18725         * cgraph.h (tree_rest_of_compilation): Remove.
18726         * cgraph.c (cgraph_add_new_function): Move ...
18727         * cgraphunit.c (cgraph_add_new_function): ... here.
18728         (tree_rest_of_compilation): Make static.
18729         (cgraph_expand_function): Do not set cgraph_function_flags_ready.
18730         * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
18731         gate_all_early_local_passes, execute_all_early_local_passes,
18732         pass_early_local_passes, gate_all_early_optimizations,
18733         pass_all_early_optimizations): Move ...
18734         * passes.c (gate_all_optimizations, pass_all_optimizations,
18735         gate_all_early_local_passes, execute_all_early_local_passes,
18736         pass_early_local_passes, gate_all_early_optimizations,
18737         pass_all_early_optimizations): ... here.
18738         * tree-optimize.c (execute_free_datastructures): Remove.
18739         * tree-flow.h (execute_free_datastructures): Remove.
18740         * tree-optimize.c (execute_init_datastructures,
18741         pass_init_datastructures): Move ...
18742         * tree-ssa.c (execute_init_datastructures,
18743         pass_init_datastructures): ... here.
18744         * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
18745         execute_free_datastructures.
18747 2012-04-12  Bernd Schmidt  <bernds@codesourcery.com>
18749         * dbgcnt.def (ira_move): New counter.
18750         * ira-int.h (ira_create_new_reg): Declare function.
18751         (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
18752         * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
18753         no longer static.  All callers changed.
18754         * ira.c: Include "dbgcnt.h".
18755         (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
18756         move_unallocated_pseudos): New static functions.
18757         (first_moveable_pseudo, last_moveable_pseudo): New global variables.
18758         (pseudo_replaced_reg, pseudo_move_insn): New static variables.
18759         (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
18760         * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
18761         to the pseudos generated in find_moveable_pseudos.
18762         * Makefile.in (ira.o): Add $(DBGCNT_H).
18764 2012-04-12  Richard Guenther  <rguenther@suse.de>
18766         PR tree-optimization/52943
18767         * tree-chrec.h (chrec_is_positive): Remove.
18768         * tree-scalar-evolution.c (chrec_is_positive): Move ...
18769         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
18770         Return false for a constant zero instead of negative.
18771         (analyze_siv_subscript_cst_affine): Handle zero difference
18772         in the initial condition explicitely.
18774 2012-04-12  Richard Guenther  <rguenther@suse.de>
18776         * tree-parloops.c (parallelize_loops): Also consult the upper
18777         bound for the number of iterations.
18778         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
18779         (loop_prefetch_arrays): Likewise.
18781 2012-04-12  Richard Guenther  <rguenther@suse.de>
18783         * cfgloop.h (estimated_loop_iterations_int): Ditch
18784         'conservative' parameter.
18785         (max_stmt_executions_int): Likewise.
18786         (estimated_loop_iterations): Likewise.
18787         (max_stmt_executions): Likewise.
18788         (max_loop_iterations): Declare.
18789         (max_loop_iterations_int): Likewise.
18790         (estimated_stmt_executions): Likewise.
18791         (estimated_stmt_executions_int): Likewise.
18792         * tree-ssa-loop-niter.c (estimated_loop_iterations):
18793         Split parts to ...
18794         (max_loop_iterations): ... this.
18795         (estimated_loop_iterations_int): Split parts to ...
18796         (max_loop_iterations_int): ... this.
18797         (max_stmt_executions_int): Split parts to ...
18798         (estimated_stmt_executions_int): ... this.
18799         (max_stmt_executions): Split parts to ...
18800         (estimated_stmt_executions): ... this.
18801         * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
18802         * predict.c (predict_loops): Likewise.
18803         * tree-data-ref.c (max_stmt_executions_tree): Likewise.
18804         (analyze_siv_subscript_cst_affine): Likewise.
18805         (compute_overlap_steps_for_affine_1_2): Likewise.
18806         (analyze_subscript_affine_affine): Likewise.
18807         (init_omega_for_ddr_1): Likewise.
18808         * tree-parloops.c (parallelize_loops): Likewise.
18809         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
18810         (may_eliminate_iv): Likewise.
18811         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
18812         (loop_prefetch_arrays): Likewise.
18813         * tree-vrp.c (adjust_range_with_scev): Likewise.
18815 2012-04-12  Oleg Endo  <olegendo@gcc.gnu.org>
18817         * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
18818         * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
18819         Fix line width.
18820         (dump_table): Use bool type for need_align and have_df variables.
18821         (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
18822         (regs_used): Remove register modifier.
18823         (barrier_align): Move variables slot, credit, jump_to_next
18824         into if block above for loop.  Use bool type for jump_to_next.
18825         (sh_function_arg): Use NULL_RTX instead of 0.
18827 2012-04-11  Andreas Schwab  <schwab@linux-m68k.org>
18829         * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
18830         (bswapsi2): New expander.
18832 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
18834         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
18835         0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
18837 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
18839         PR rtl-optimization/52876
18840         * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
18841         Don't call mark_reg_pointer for incompatible pointer sign extension.
18843         * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
18844         directly.
18846 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
18848         * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
18849         comparisons against TYPE_PRECISION.
18850         * tree-ssa-forwprop.c (combine_conversions): Likewise.
18852 2012-04-11  Xinliang David Li  <davidxl@google.com>
18854         * tree-passes.h: Remove TODO_dump_func.
18855         * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
18856         * trans-mem.c: Remove TODO_dump_func.
18857         * ira.c: Remove TODO_dump_func.
18859 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
18861         * config/i386/i386.c (ix86_option_override_internal): Check
18862         SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
18863         after TARGET_64BIT is updated.
18865 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
18867         * config/sh/sh.h: Remove old secondary reload code.
18869 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
18871         * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
18872         (ready_reorder): ... this function.
18874 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
18876         * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
18877         sched_init calls.
18879         * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
18880         insns so that no other insn is queued for a time before them.
18882         * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
18883         unknown.
18885 2012-04-11  Richard Guenther  <rguenther@suse.de>
18887         PR middle-end/52621
18888         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
18889         consider loop nesting.
18890         (evolution_function_is_univariate_p): Properly check the remainder
18891         for chrecs.
18893 2012-04-11  Richard Guenther  <rguenther@suse.de>
18895         PR middle-end/52918
18896         * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
18898 2012-04-11  Nick Clifton  <nickc@redhat.com>
18900         * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
18901         information, if requested.
18903         * config/rx/rx.c (rx_expand_prologue): Likewise.
18905 2012-04-11  Peter Bergner  <bergner@vnet.ibm.com>
18906             Michael Matz  <matz@suse.de>
18908         PR target/16458
18909         * rtlanal.c (unsigned_reg_p): New function.
18910         Update copyright notice dates.
18911         * rtl.h (unsigned_reg_p): Prototype it.
18912         Update copyright notice dates.
18913         * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
18914         Update comment.
18915         * expr.c (expand_expr_real_1): Set register attributes.
18916         * stmt.c (expand_case): Likewise.
18918 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
18920         PR target/50751
18921         * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
18922         consider_sh2a and allow_zero.
18923         * config/sh/sh.c (sh_legitimate_index_p): Likewise.
18924         (disp_addr_displacement): New function.
18925         (sh_address_cost): Use disp_addr_displacement function instead
18926         of DISP_ADDR_OFFSET.
18927         (sh_legitimate_address_p): Adapt to changed
18928         sh_legitimate_index_p declaration.
18929         (sh_find_mov_disp_adjust): Remove HImode check.
18930         (sh_secondary_reload): Add HImode case.  Use satisfies_constraint_Sdd,
18931         disp_addr_displacement and max_mov_insn_displacement.
18932         (max_mov_insn_displacement): Remove HImode check.
18933         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
18934         DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
18935         * config/sh/constraints.md (K05, K13): New constraints.
18936         (K12): Correct comment.
18937         (Sdd): Do not use DISP_ADDR_P macro.
18938         (Snd, Sbw): Use satisfies_constraint_Sdd.
18939         * config/sh/sh.md (extendhisi2): Remove constraints from expander.
18940         (*extendhisi2_compact, movhi_i): Remove.
18941         (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
18942         *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
18943         *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
18944         *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
18945         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
18946         *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
18947         *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
18948         CONST_OK_FOR_Kxx.
18949         Add new peepholes for HImode displacement addressing.
18951 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
18953         * config/sh/sh.h (SIDI_OFF): Remove.
18954         * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
18955         DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
18956         or operand_subword.
18958 2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>
18960         PR target/52624
18961         * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
18962         (PowerPC AltiVec/VSX Built-in Functions): Remove it.
18963         * doc/md.texi (Standard Names): Add bswap.
18964         * builtin-types.def (BT_UINT16): New primitive type.
18965         (BT_FN_UINT16_UINT16): New function type.
18966         * builtins.def (BUILT_IN_BSWAP16): New.
18967         * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
18968         (expand_builtin) <BUILT_IN_BSWAP16>: New case.  Pass TARGET_MODE to
18969         expand_builtin_bswap.
18970         (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
18971         (fold_builtin_1): Likewise.
18972         (is_inexpensive_builtin): Likewise.
18973         * optabs.c (expand_unop): Deal with bswap in HImode specially.  Add
18974         missing bits for bswap to libcall code.
18975         * tree.c (build_common_tree_nodes): Build uint16_type_node.
18976         * tree.h (enum tree_index): Add TI_UINT16_TYPE.
18977         (uint16_type_node): New define.
18978         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
18979         * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
18980         above builtin.
18981         (rs6000_init_builtins): Likewise.
18982         * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
18984 2012-04-11  Tristan Gingold  <gingold@adacore.com>
18986         * doc/extend.texi (Type Attributes): Move paragraph.
18988 2012-04-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
18990         PR 24985
18991         * diagnostic.h (show_caret): Declare.
18992         (caret_max_width): Declare.
18993         (diagnostic_show_locus): Declare.
18994         * diagnostic.c (diagnostic_initialize): Initialize to false.
18995         (diagnostic_show_locus): New.
18996         (diagnostic_report_diagnostic): Call it.
18997         (getenv_columns): New.
18998         (adjust_line): New.
18999         (diagnostic_set_caret_max_width): New.
19000         * input.c (read_line): New.
19001         (location_get_source_line): New.
19002         * input.h (location_get_source_line): Declare.
19003         * toplev.c (general_init): Initialize show_caret from options.
19004         * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
19005         * opts.c (common_handle_option): Likewise.
19006         * pretty-print.h (pp_get_prefix): New.
19007         (pp_base_get_prefix): New.
19008         * common.opt (fdiagnostics-show-caret): New option.
19009         * doc/invoke.texi (fdiagnostics-show-caret): Document it.
19011 2012-04-11  Richard Guenther  <rguenther@suse.de>
19013         PR rtl-optimization/52881
19014         * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
19016 2012-04-11  Richard Guenther  <rguenther@suse.de>
19018         PR tree-optimization/52912
19019         * tree-ssa-threadupdate.c (thread_block): Tell the cfg
19020         manipulation code we are threading through a loop header
19021         to an exit destination.
19023 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19025         * tree.h (warn_if_unused_value): Move declaration from here.
19026         * stmt.c (warn_if_unused_value): Move definition from here.
19028 2012-04-10  Michael Matz  <matz@suse.de>
19030         * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
19031         grouped_stores.
19032         (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
19033         (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
19034         (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
19035         (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
19036         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
19037         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
19038         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
19039         (vect_record_strided_load_vectors): Rename to
19040         vect_record_grouped_load_vectors.
19041         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
19042         Rename use of above macros.
19043         (vect_verify_datarefs_alignment): Ditto.
19044         (vector_alignment_reachable_p): Ditto.
19045         (vect_peeling_hash_get_lowest_cost): Ditto.
19046         (vect_enhance_data_refs_alignment): Ditto.
19047         (vect_analyze_group_access): Ditto and rename stride to groupsize.
19048         (vect_analyze_data_ref_access): Rename "strided" to "grouped".
19049         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
19050         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
19051         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
19052         (vect_record_strided_load_vectors): Rename to
19053         vect_record_grouped_load_vectors.
19054         * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
19055         (destroy_loop_vec_info): Ditto.
19056         (vect_transform_loop): Ditto and rename strided_store to grouped_store.
19057         * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
19058         (vect_analyze_slp): Ditto.
19059         (new_bb_vec_info): Ditto.
19060         (destroy_bb_vec_info): Ditto.
19061         (vect_schedule_slp_instance): Ditto and rename strided_store to
19062         grouped_store.
19063         * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
19064         vect_cost_group_size.
19065         (vect_model_store_cost): Rename use of above macros and call
19066         to vect_cost_strided_group_size.
19067         (vect_model_load_cost): Ditto.
19068         (vectorizable_store): Ditto, rename strided_store to grouped_store
19069         and calls to renamed tree-vectorizer.h functions.
19070         (vectorizable_load): Ditto.
19071         (vect_transform_stmt): Rename use of above macros and strided_store
19072         to grouped_store.
19074 2012-04-10  Jan Hubicka  <jh@suse.cz>
19076         * cgraph.h: Remove misledaing comment on ipa-ref.h.
19077         (symtab_type): New enum.
19078         (symtab_node): New structure.
19079         (cgraph_node, varpool_node): Add symbol base type.
19080         (cgraph, varpool): New accestor functions.
19081         * cgraph.c (cgraph_create_node_1): Set symbol type.
19082         * varpool.c (varpool_node): Set symbol type.
19084 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
19085             Richard Sandiford  <rdsandiford@googlemail.com>
19087         * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
19089 2012-04-10  Richard Guenther  <rguenther@suse.de>
19091         PR middle-end/52888
19092         * gimple-low.c (gimple_check_call_args): Properly account for
19093         compatible aggregate types.
19095 2012-04-10  Richard Guenther  <rguenther@suse.de>
19097         * toplev.h (tree_rest_of_compilation): Remove.
19098         * tree-optimize.c (tree_rest_of_compilation): Likewise.
19099         * cgraph.h (tree_rest_of_compilation): Declare.
19100         * tree-optimize.c (tree_rest_of_compilation): Move ...
19101         * cgraphunit.c (tree_rest_of_compilation): ... here.
19102         * cgraph.c (cgraph_add_new_function): Adjust.
19103         * Makefile.in (tree-optimize.o): Adjust.
19104         (cgraphunit.o): Likewise.
19106 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
19108         PR tree-optimization/52870
19109         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
19110         presumed pattern statement is within the same loop or basic block.
19112 2012-04-10  Tristan Gingold  <gingold@adacore.com>
19114         * gengtype.c (main): Make uintptr_t a known type.
19116 2012-04-10  Richard Guenther  <rguenther@suse.de>
19118         * tree-pass.h (tree_lowering_passes): Remove.
19119         * tree-optimize.c (tree_lowering_passes): Remove.
19120         * cgraph.c (cgraph_add_new_function): Inline relevant parts
19121         of tree_lowering_passes, avoid redundant call of early local passes.
19122         * cgraphunit.c (cgraph_lower_function): Fold into ...
19123         (cgraph_analyze_function): ... its single caller.  Inline
19124         relevant parts of tree_lowering_passes.
19126 2012-04-09  H.J. Lu  <hongjiu.lu@intel.com>
19128         PR other/52777
19129         * config/pa/pa.opt: Remove SIO and GNU_LD.
19131 2012-04-09  Jan Hubicka  <jh@suse.cz>
19133         PR lto/52722
19134         PR lto/51765
19135         PR lto/52634
19136         * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
19137         boundary, add its target too.
19138         * lto.c (add_references_to_partition): Add also aliased nodes.
19139         (add_cgraph_node_to_partition,
19140         add_varpool_node_to_partition): Work on nodes, not functions/variables;
19141         when adding alias, add also the aliased object.
19143 2012-04-09  Uros Bizjak  <ubizjak@gmail.com>
19145         PR target/52883
19146         * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
19147         VOIDmode immediate operands.
19148         * config/i386/constraints.md (Wz): New constraint.
19149         * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
19151 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
19153         PR target/52717
19154         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
19155         the DECL generated for the special GOT helper.
19157 2012-04-09  Oleg Endo  <olegendo@gcc.gnu.org>
19159         * config/sh/constraints.md: Update list of constraints in
19160         comment block.
19161         (Sr0): Remove unused memory constraint.
19163 2012-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19165         * tree-pretty-print.h: Update comment.
19167 2012-04-08  Oleg Endo  <olegendo@gcc.gnu.org>
19169         * config/sh/sh.md: Use braced string notation where applicable.
19170         (*prefetch_i4, prefetch_m2a): Merge into ...
19171         (*prefetch): ... this new insn.
19173 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
19175         * config/sh/sh.h (high_life_started): Remove
19176         * config/sh/predicates.md (general_movdst_operand): Use
19177         'reload_in_progress' instead of 'high_life_started'.
19178         * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
19179         divsi_inv_fp): Likewise.
19181 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
19183         * config/sh/sh-protos.h (prepare_move_operands): Return void
19184         instead of int.
19185         * config/sh/sh.c (prepare_move_operands): Likewise.
19186         * config/sh/sh.md: Remove return value checks of prepare_move_operands.
19188 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
19190         * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
19191         general_movsrc_operand, general_movdst_operand, arith_reg_operand,
19192         fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
19193         logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
19194         commutative_float_operator, noncommutative_float_operator,
19195         sh_handle_pragma): Remove.
19197 2012-04-06  Sandra Loosemore  <sandra@codesourcery.com>
19199         * doc/invoke.texi:  Clean up Texinfo markup throughout the file.
19200         Use @option markup on command-line options.  Use @samp markup on
19201         literal keywords to options.  Use @code markup on code fragments.
19202         Use other markup in preference to quotation marks in the text.
19203         Add markup to some passages without any.
19205 2012-04-06  Mike Stump  <mikestump@comcast.net>
19207         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
19209 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
19211         * config/sh/sh.c (hi_const): Remove.
19212         (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
19213         of hi_const.
19215 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
19217         * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
19218         to bool.
19219         * config/sh/sh.c (sh_expand_t_scc): Likewise.
19220         * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
19221         calling sh_expand_t_scc.
19223 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
19225         * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
19226         nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
19227         sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
19228         reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
19229         sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
19230         sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
19231         check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
19232         sh2a_is_function_vector_call): Use bool as return type.
19233         (sh_pass_in_reg_p): Remove.
19234         * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
19235         flow_dependent_p, sh2a_function_vector_p, expand_block_move,
19236         expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
19237         sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
19238         sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
19239         sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
19240         fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
19241         sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
19242         sh_loads_bankedreg_p): Use bool as return type.
19243         (nonpic_symbol_mentioned_p): Use bool as return type.  Remove
19244         'register' modifier.
19246 2012-04-06  Matt Turner  <mattst88@gmail.com>
19248         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
19250 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
19252         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
19253         of the destination isn't also a FP_REGS register.
19255 2012-04-05  Teresa Johnson  <tejohnson@google.com>
19256             H.J. Lu  <hongjiu.lu@intel.com>
19258         * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
19259         * config/i386/i386.md (move immediate to memory peephole2):
19260         Add cases for HImode move when LCP stall avoidance is needed.
19261         * config/i386/i386.c (initial_ix86_tune_features): Initialize
19262         X86_TUNE_LCP_STALL entry.
19264 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
19266         PR target/52882
19267         * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
19268         CONST_INT operands, zero-extended with AND.
19270 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
19272         PR target/50751
19273         * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
19274         first argument instead of mode size.  Move displacement calculations
19275         to ...
19276         (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
19277         ... these new functions.
19278         (disp_adjust): Remove max_mov_disp field.
19279         (sh_legitimate_index_p): Use max_mov_insn_displacement and
19280         mov_insn_alignment_mask.
19281         (sh_address_cost): Use max_mov_insn_displacement.
19283 2012-04-05  Andrew Stubbs  <ams@codesourcery.com>
19285         * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
19286         (arch_enabled): Handle new arch types.
19287         (one_cmpldi2): Add NEON support.
19289 2012-04-05  Richard Guenther  <rguenther@suse.de>
19291         * gimple.c (walk_gimple_op): Compute val_only for the LHS
19292         of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
19293         (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
19294         * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
19295         ... here and make static.
19296         * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
19297         Remove.
19299 2012-04-05  Richard Guenther  <rguenther@suse.de>
19301         * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
19302         basic-block before removing it.
19304 2012-04-05  Richard Guenther  <rguenther@suse.de>
19306         * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
19307         version namespace as we release the freelist.
19309 2012-04-05  Richard Guenther  <rguenther@suse.de>
19311         * tree-nrv.c (tree_nrv): Release VDEFs.
19312         * tree-sra.c (sra_modify_constructor_assign): Likewise.
19313         (sra_modify_assign): Likewise.
19314         * tree-vect-stmts.c (vect_remove_stores): Likewise.
19315         * tree-vect-loop.c (vect_transform_loop): Likewise.
19316         * tree-ssa-dom.c (optimize_stmt): Likewise.
19317         * tree-vect-slp.c (vect_schedule_slp): Likewise.
19318         * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
19320 2012-04-05  Richard Guenther  <rguenther@suse.de>
19322         * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
19323         cleanup.
19324         * gimple.h (gsi_remove): Adjust.
19325         * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
19326         * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
19327         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19328         * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
19329         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
19330         * tree-ssa-pre.c (eliminate): Likewise.
19332 2012-04-04  Mike Stump  <mikestump@comcast.net>
19334         * doc/rtl.texi (const_double): Document as sign-extending.
19335         * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
19336         * emit-rtl.c (immed_double_int_const): Refine to state the
19337         value is signed.
19338         * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
19339         CONST_DOUBLE integers.
19340         (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
19341         negative values are converted.  Fix conversions bigger than
19342         HOST_BITS_PER_WIDE_INT.
19343         (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
19344         (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
19345         * explow.c (plus_constant_mode): Add.
19346         (plus_constant): Implement with plus_constant_mode.
19347         * rtl.h (plus_constant_mode): Add.
19349 2012-04-04  Richard Guenther  <rguenther@suse.de>
19351         PR tree-optimization/52808
19352         * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
19353         * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
19355 2012-04-04  Tristan Gingold  <gingold@adacore.com>
19357         * expr.c (expand_expr_real_2): Handle larger sizetype in
19358         POINTER_PLUS_EXPR.
19360 2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
19362         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
19363         to m2a-single instead of m2e.
19365 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
19367         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
19368         Change type of BITOFFSET to signed.  Make sure the lower bound of
19369         the computed range is non-negative by adjusting OFFSET and BITPOS.
19370         (expand_assignment): Adjust call to get_bit_range.
19372 2012-04-03  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
19374         * h8300/h8300.c (h8300_current_function_monitor_function_p):
19375         New function. Added to check monitor functions.
19376         (h8300_option_override): Modified to generate error/warning
19377         messages for invalid combinations of different command line
19378         options.
19379         * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
19380         save EXR on stack for monitor function in case of H8S target
19381         when "-mno-exr" is passed.
19382         * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
19383         Add prototype.
19384         * doc/invoke.texi: Document H8S options.
19386 2012-04-03  Tristan Gingold  <gingold@adacore.com>
19388         * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
19389         of gcc_AC_FUNC_MMAP_BLACKLIST.
19390         * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
19391         * Makefile.in (aclocal_deps): Add mmap.m4.
19392         * configure: Regenerate.
19393         * aclocal.m4: Regenerate.
19395 2012-04-03  Richard Guenther  <rguenther@suse.de>
19397         PR tree-optimization/52808
19398         * tracer.c (tail_duplicate): Return whether we have duplicated
19399         any block.
19400         (tracer): If we have duplicated any block, cleanup the CFG.
19401         * cfghooks.c (duplicate_block): If we duplicated a loop
19402         header but not its loop, destroy the loop because it now has
19403         multiple entries.
19404         * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
19405         the cfg manipulation routines we are not creating a multiple
19406         entry loop.
19408 2012-04-03  Tristan Gingold  <gingold@adacore.com>
19410         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
19411         'byte' alignment.
19412         (vms_c_common_override_options): Allow parameterless variadic
19413         functions.
19415 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
19417         PR tree-optimization/52835
19418         * tree-data-ref.c (build_rdg): Return NULL if
19419         compute_data_dependences_for_loop failed.
19421 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
19423         * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
19424         for REAL_CST as well.
19425         (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
19426         In the bitfield case, if the value is a REAL_CST, convert it first to
19427         an INTEGER_CST.
19429 2012-04-02  H.J. Lu  <hongjiu.lu@intel.com>
19431         * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
19432         for --with-abi={x32|mx32} or --with-multilib-list=mx32.
19433         (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
19435         * config/i386/biarchx32.h: New.
19437 2012-04-02  Anatoly Sokolov  <aesok@post.ru>
19439         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
19440         * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
19441         (arm_preferred_reload_class): New function.
19443 2012-04-02  Richard Guenther  <rguenther@suse.de>
19445         PR tree-optimization/52756
19446         * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
19447         (thread_through_loop_header): After threading through the loop latch
19448         remove the split part from the loop and clear further threading
19449         opportunities that would create a multiple entry loop.
19451 2012-04-02  Richard Guenther  <rguenther@suse.de>
19453         PR rtl-optimization/52800
19454         * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
19455         CLEANUP_CFG_CHANGED.
19457 2012-04-02  Richard Guenther  <rguenther@suse.de>
19459         PR middle-end/52803
19460         * loop-init.c (gate_handle_loop2): Destroy loops here if
19461         we don't enter RTL loop optimizers.
19463 2012-04-02  Uros Bizjak  <ubizjak@gmail.com>
19465         Partially revert:
19466         2012-03-29  Richard Guenther  <rguenther@suse.de>
19468         * rtl.h (extended_count): Remove.
19469         * combine.c (extended_count): Remove.
19471 2012-04-02  Dodji Seketeli  <dodji@redhat.com>
19473         PR c++/40942
19474         * pt.c (more_specialized_fn):  Don't apply decay conversion to
19475         types of function parameters.
19477 2012-04-02  Tristan Gingold  <gingold@adacore.com>
19479         * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
19480         (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
19481         (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
19482         (ggc_pch_this_base): Use uintptr_t instead of size_t.
19484 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
19486         PR bootstrap/52784
19487         * config/i386/i386.c (ix86_option_override_internal): Don't
19488         check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
19490 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
19492         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
19493         (stmt_can_make_abnormal_goto): Use it.
19494         (is_ctrl_altering_stmt): Likewise.
19496 2012-03-30  Naveen H.S  <naveen.S@kpitcummins.com>
19497             Kaz Kojima  <kkojima@gcc.gnu.org>
19499         * config/sh/sh.c (push_regs): Skip banked registers when
19500         resbank attribute is specified.
19501         (sh_expand_epilogue): Likewise.
19503 2012-03-30  Richard Henderson  <rth@redhat.com>
19505         PR debug/52727
19506         * combine-stack-adj.c (prev_active_insn_bb): New.
19507         (next_active_insn_bb): New.
19508         (force_move_args_size_note): New.
19509         (combine_stack_adjustments_for_block): Use it.
19511 2012-03-30  Richard Henderson  <rth@redhat.com>
19513         * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
19514         (ix86_expand_vector_init_duplicate): Initialize it.
19515         (expand_vec_perm_palignr): Likewise.
19516         (ix86_expand_vec_perm_const): Likewise.
19517         (ix86_vectorize_vec_perm_const_ok): Likewise.
19518         (expand_vec_perm_blend): Use it.
19519         (expand_vec_perm_vpermil): Likewise.
19520         (expand_vec_perm_pshufb): Likewise.
19521         (expand_vec_perm_1): Likewise.
19522         (expand_vec_perm_pshuflw_pshufhw): Likewise.
19523         (expand_vec_perm_interleave2): Likewise.
19524         (expand_vec_perm_vpermq_perm_1): Likewise.
19525         (expand_vec_perm_vperm2f128): Likewise.
19526         (expand_vec_perm_interleave3): Likewise.
19527         (expand_vec_perm_vperm2f128_vblend): Likewise.
19528         (expand_vec_perm_vpshufb2_vpermq): Likewise.
19529         (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
19530         (expand_vec_perm_broadcast): Likewise.
19531         (expand_vec_perm_vpshufb4_vpermq2): Likewise.
19533 2012-03-30  Richard Henderson  <rth@redhat.com>
19535         * dwarf2out.c (gen_variable_die): Initialize off.
19537 2012-03-30  Tristan Gingold  <gingold@adacore.com>
19539         * config/vms/vms-f.c: New file.
19540         * config/vms/t-vms (vms-f.o): New rule.
19541         * config.gcc (*-*-*vms*): Define fortran_target_objs.
19543 2012-03-30  Richard Guenther  <rguenther@suse.de>
19545         PR tree-optimization/52754
19546         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
19547         propagate arbitrary addresses into really plain dereferences.
19549 2012-03-30  Richard Guenther <rguenther@suse.de>
19551         PR middle-end/52772
19552         * except.c (emit_to_new_bb_before): Move loop updating ...
19553         (dw2_build_landing_pads): ... here.  Use a proper block for
19554         querying the loop father.
19556 2012-03-30  Tristan Gingold  <gingold@adacore.com>
19558         * config/ia64/ia64.c (ia64_section_type_flags): Remove
19559         common_object attribute handling.
19560         (SECTION_VMS_OVERLAY): Remove
19561         (ia64_vms_common_object_attribute): Replace abort with an assert.
19562         Do not set DECL_SECTION_NAME.
19563         (ia64_vms_output_aligned_decl_common): Handle common_object
19564         attribute.
19565         (ia64_vms_elf_asm_named_section): Remove.
19566         * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
19568 2012-03-30  Richard Guenther  <rguenther@suse.de>
19570         PR middle-end/52786
19571         * double-int.c (rshift_double): Remove not needed cast.
19573 2012-03-30  Richard Guenther  <rguenther@suse.de>
19575         * tree-affine.h (print_aff): Remove.
19576         * tree-affine.c (print_aff): Make static.
19577         * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
19578         (get_references_in_stmt): Likewise.
19579         (print_direction_vector): Likewise.
19580         (print_dir_vectors): Likewise.
19581         (print_dist_vectors): Likewise.
19582         (dump_subscript): Likewise.
19583         (dump_ddrs): Likewise.
19584         (dump_dist_dir_vectors): Likewise.
19585         (dump_data_references): Likewise.
19586         (dump_data_dependence_relation): Likewise.
19587         (dump_data_dependence_direction): Likewise.
19588         (dump_rdg_vertex): Likewise.
19589         (dump_rdg_component): Likewise.
19590         (debug_ddrs): Declare.
19591         (struct data_ref_loc_d): Move ...
19592         * tree-data-ref.c (struct data_ref_loc_d): ... here.
19593         (get_references_in_stmt): Make static.
19594         (dump_data_references): Likewise.
19595         (dump_subscript): Likewise.
19596         (print_direction_vector): Likewise.
19597         (print_dir_vectors): Likewise.
19598         (print_dist_vectors): Likewise.
19599         (dump_data_dependence_relation): Likewise.
19600         (dump_dist_dir_vectors): Likewise.
19601         (dump_ddrs): Likewise.
19602         (dump_rdg_vertex): Likewise.
19603         (dump_rdg_component): Likewise.
19604         (debug_ddrs): New function.
19605         (access_matrix_get_index_for_parameter): Remove.
19607 2012-03-30  Tristan Gingold  <gingold@adacore.com>
19609         * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
19610         (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
19611         (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
19612         (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
19613         (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
19614         (vms_patch_builtins): Handle new flags
19615         * config/vms/vms-crtlmap.map: Completed using nm on
19616         c and math system libraries.
19617         * config/vms/make-crtlmap.awk: Handle any number of flags.
19619 2012-03-30  Martin Jambor  <mjambor@suse.cz>
19621         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
19622         is a builtin_stack_save in a dominating BB.
19624 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
19626         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
19627         crossing 128bit lane boundary.
19629 2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
19631         * ira-color.c (setup_left_conflict_sizes_p): Process all
19632         conflicting objects.
19634 2012-03-29  Jakub Jelinek  <jakub@redhat.com>
19636         PR tree-optimization/52760
19637         * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
19638         shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
19640 2012-03-29  Richard Guenther  <rguenther@suse.de>
19642         * cgraph.h (cgraph_materialize_all_clones): Remove.
19643         (reset_inline_failed): Likewise.
19644         * cgraphunit.c (cgraph_materialize_all_clones): Make static.
19645         * cgraphbuild.c (reset_inline_failed): Remove.
19646         * rtl.h (cse_main): Remove.
19647         (extended_count): Likewise.
19648         * cse.c (dump_class): Mark as DEBUG_FUNCTION.
19649         (cse_main): Make static.
19650         * combine.c (extended_count): Remove.
19651         (dump_combine_stats): Mark as DEBUG_FUNCTION.
19652         * basic-block.h (reorder_basic_blocks): Remove.
19653         * bb-reorder.c (reorder_basic_blocks): Make static.
19654         * Makefile.in (dse.o): Remove dse.h dependency.
19655         * dse.h: Remove.
19656         * dse.c (gate_dse): Remove.
19657         (clear_alias_mode_eq): Likewise.
19658         (clear_alias_mode_hash): Likewise.
19659         (dse_record_singleton_alias_set): Likewise.
19660         (dse_invalidate_singleton_alias_set): Likewise.
19662 2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>
19664         * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
19665         crtbegin_so%O%s for -shared.
19666         (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
19668 2012-03-29  Richard Guenther  <rguenther@suse.de>
19670         * tree-flow.h (struct pre_expr_d): Remove forward declaration.
19671         (add_to_value): Remove.
19672         (print_value_expressions): Likewise.
19673         * tree-ssa-pre.c (add_to_value): Make static.
19674         (print_value_expressions): Likewise.
19675         * gimple.h (gimple_adjust_this_by_delta): Remove.
19676         * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
19678 2012-03-29  Richard Guenther  <rguenther@suse.de>
19680         PR middle-end/50708
19681         * double-int.h (rshift_double): Remove.
19682         * double-int.c (lshift_double): Use absu_hwi to make count positive.
19683         (rshift_double): Make static, take unsigned count argument,
19684         remove handling of negative count argument.
19685         (double_int_rshift): Dispatch to lshift_double.
19687 2012-03-28  H.J. Lu  <hongjiu.lu@intel.com>
19689         * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
19690         OPTION_MASK_ABI_64.
19692         * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
19693         (SPEC_X32): Likewise.
19694         (MULTILIB_DEFAULTS): Likewise.
19696         * config/i386/i386.c (isa_opts): Remove -m64.
19697         (ix86_target_string): Properly handle -m32/-m64/-mx32.
19698         (ix86_option_override_internal): Properly
19699         set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
19700         handle -m32, -m64 and -mx32.
19702         * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
19703         with OPTION_ABI_X32.  Moved after TARGET_LP64.
19704         (TARGET_LP64): Changed to OPTION_ABI_64.
19706         * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
19707         (mx32): Replace ISA_X32 with ABI_X32.
19709 2012-03-28  Eric Botcazou  <ebotcazou@adacore.com>
19711         * tree.c (tree_size) <VECTOR_CST>: New case.
19713 2012-03-28  Uros Bizjak  <ubizjak@gmail.com>
19715         * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
19716         (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
19718 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
19720         PR middle-end/52691
19721         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
19722         __builtin_va_start to __builtin_next_arg if the latter is
19723         builtin_decl_explicit_p rather than when it is not.
19725         PR middle-end/52750
19726         * tree-vect-generic.c (vector_element): Perform multiplication
19727         for pos in bitsizetype type instead of idx type.
19729 2012-03-28  Richard Guenther  <rguenther@suse.de>
19731         * loop-init.c (loop_optimizer_init): If loops are preserved
19732         perform incremental initialization of required loop features.
19733         (loop_optimizer_finalize): If loops are to be preserved only
19734         clean up optional loop features.
19735         (rtl_loop_done): Forcefully free loops here.
19736         * cgraph.c (cgraph_release_function_body): Forcefully free loops.
19737         * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
19738         to existing loops.
19739         (construct_init_block): Likewise.
19740         (construct_exit_block): Likewise.
19741         (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state.  Cleanup
19742         the CFG after expanding.
19743         * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
19744         If we needed to calculate them, free them afterwards.
19745         * tree-pass.h (PROP_loops): New define.
19746         * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
19747         * basic-block.h (CLEANUP_CFG_CHANGED): New.
19748         * cfgcleanup.c (merge_blocks_move): Protect loop latches.
19749         (cleanup_cfg): If we did something and have loops around, fix them up.
19750         * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
19751         with CLEANUP_CFG_CHANGED.
19752         * cfghooks.c (merge_blocks): If we merge a loop header into
19753         its predecessor, update the loop structure.
19754         (duplicate_block): If we copy a loop latch, adjust loop state
19755         to note we may have multiple latches.
19756         (delete_basic_block): Mark loops for fixup if we remove a loop.
19757         * cfganal.c (forwarder_block_p): Protect loop latches, headers
19758         and preheaders.
19759         * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
19760         (cfg_layout_can_merge_blocks_p): Likewise.
19761         * cprop.c (bypass_block): If we create a loop with multiple
19762         entries, mark it for removal.
19763         * except.c (emit_to_new_bb_before): Add the new basic-block
19764         to existing loops.
19765         * tree-eh.c (lower_resx): Likewise.
19766         * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
19767         (expand_omp_taskreg): Likewise.
19768         * tree-inline.c (initialize_cfun): Likewise.
19769         * tree-mudflap.c (add_bb_to_loop): Prototype.
19770         (mf_build_check_statement_for): Properly add new basic-blocks
19771         to existing loops.
19772         * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
19773         if we remove a loop.
19774         (thread_through_loop_header): Likewise.
19775         * trans-mem.c (tm_log_emit_save_or_restores): Properly add
19776         new basic-blocks to existing loops.
19777         (expand_transaction): Likewise.
19778         * Makefile.in (except.o): Add $(CFGLOOP_H).
19779         (expr.o): Likewise.
19780         (cgraph.o): Likewise.
19781         (cprop.o): Likewise.
19782         (cfgexpand.o): Likewise.
19783         (cfganal.o): Likewise.
19784         (trans-mem.o): Likewise.
19785         (tree-eh.o): Likewise.
19787 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
19789         PR target/52692
19790         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
19791         (avr_builtin_decl): New static function.
19792         (struct avr_builtin_description, avr_bdesc): Move up.
19793         Add GTY marker. Add field fndecl. Remove redundant field id.
19794         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
19795         (avr_expand_builtin): Code cleanup because .id is removed.
19797 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
19799         PR target/52737
19800         * config.gcc (tm_file): Remove avr/multilib.h.
19802         * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
19804         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
19805         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
19806         * config/avr/t-avr: Remove generation of multilib.h.
19807         * config/avr/t-multilib: Regenerate.
19808         * config/avr/multilib.h: Remove.
19809         * config/avr/avr.opt (-msp8): New option.
19810         (avr_sp8): New variable.
19811         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
19812         * config/avr/avr.h (AVR_HAVE_SPH): New define.
19813         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
19814         (avr_device_to_sp8): New prototype.
19815         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
19816         (DRIVER_SELF_SPECS): New define.
19817         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
19818         __AVR_SP8__, __AVR_HAVE_SPH__.
19819         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
19820         AVR_HAVE_8BIT_SP to decide if SP_H is present.
19821         (avr_file_start): Ditto.
19823 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
19825         PR target/52736
19826         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
19827         instead of 8 in adjust_address.
19829 2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
19831         PR middle-end/51893
19832         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
19833         targets.
19835 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
19837         PR target/50751
19838         * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
19839         Rearrange conditional logic.  Move displacement address calculations
19840         to ...
19841         (sh_find_mov_disp_adjust): ... this new function.
19843 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19845         * config/arm/arm.opt (mapcs): Remove MaskExists.
19846         * config/cris/linux.opt (mno-gotplt): Likewise.
19847         * config/i386/i386.opt (mhard-float): Likewise.
19848         (msse4): Likewise.
19849         (mno-sse4): Likewise.
19850         * config/m68k/m68k.opt (mhard-float): Likewise.
19851         * config/mep/mep.op (mcop32): Likewise.
19852         * config/pa/pa-hpux.opt (msio): Likewise.
19853         * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
19854         * config/picochip/picochip.opt (mlittle): Likewise.
19855         * config/sh/sh.opt (mrenesas): Likewise.
19856         * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
19857         * config/sparc/sparc.opt (mhard-float): Likewise.
19858         * config/v850/v850.opt (mv850es): Likewise.
19859         * config/vax/vax.opt (mg-float): Likewise.
19861 2012-03-27  Martin Jambor  <mjambor@suse.cz>
19863         PR middle-end/52693
19864         * tree-sra.c (sra_modify_assign): Do not call
19865         load_assign_lhs_subreplacements when working with an unscalarizable
19866         region.
19868 2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
19870         PR target/52698
19871         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
19872         New prototype.
19873         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
19874         * config/i386/i386.c: Include reload.h.
19875         (ix86_legitimize_reload_address): New function.
19877 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19879         * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
19880         hasn't been allocated.  Define a target macro for Mask and
19881         InverseMask if it hasn't been defined.  Remove MaskExists handling.
19883         * doc/options.texi: Remove MaskExists.
19885 2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
19887         PR target/52667
19888         * config/sh/sh.c (find_barrier): Add equality check of last_got
19889         to avoid going above orig insn. Update comments.
19891 2012-03-27  Richard Guenther  <rguenther@suse.de>
19893         PR middle-end/52720
19894         * fold-const.c (try_move_mult_to_index): Handle &x.array more
19895         explicitely.
19897 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
19899         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
19900         of a unit before computing the offset in units.
19901         * expr.c (get_bit_range): Return the null range if the enclosing record
19902         is part of a larger bit field.
19904 2012-03-27  Tristan Gingold  <gingold@adacore.com>
19906         * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
19907         * config/ia64/ia64.md: Remove mode in template.
19908         Sign extend operand in expand_simple_binop.
19909         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
19910         CASE_VECTOR_MODE instead of TARGET_ILP32.
19911         (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
19913 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
19915         * varasm.c (assemble_external): #if 0 out the new assert from the
19916         previous commit, it breaks the Java and Go front ends.
19918 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
19920         * toplev.c (check_global_declaration_1): Do not call assemble_external.
19921         * expr.c (emit_block_move_libcall_fn): Likewise.
19922         (clear_storage_libcall_fn): Likewise.
19923         (expand_expr_addr_expr_1): Likewise.
19924         (expand_expr_real_1): Likewise.
19925         * calls.c (rtx_for_function_call): Likewise.
19927         * varasm.c (assemble_external): Assert this function is only called
19928         during or after expanding to RTL.
19930 2012-03-26  Martin Jambor  <mjambor@suse.cz>
19932         PR tree-optimization/50052
19933         * tree-sra.c (tree_non_aligned_mem_p): Removed.
19934         (tree_non_aligned_mem_for_access_p): Likewise.
19935         (build_accesses_from_assign): Removed strict alignment requirements
19936         checks.
19937         (access_precludes_ipa_sra_p): Likewise.
19939 2012-03-26  Richard Guenther  <rguenther@suse.de>
19941         PR tree-optimization/52701
19942         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
19943         compute and set the evolution part of PHI nodes.
19945 2012-03-26  Richard Guenther  <rguenther@suse.de>
19947         PR tree-optimization/52721
19948         * tree-vect-stmts.c (vect_init_vector): Handle scalars.
19950 2012-03-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
19952         PR tree-optimization/52686
19953         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
19954         WIDEN_LSHIFT_EXPR.
19956 2012-03-26  Tristan Gingold  <gingold@adacore.com>
19958         * config/alpha/vms.h (LINK_SPEC): Simplify.
19959         (STARTFILE_SPEC): Remove -mvms-return-codes handling.
19960         (NAME__MAIN, SYMBOL__MAIN): Remove.
19961         (VMS_DEBUG_MAIN_POINTER): Remove.
19962         * config/ia64/vms.h: Likewise.
19963         * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
19964         code to vms.c.  Call vms_start_function.
19965         * config/ia64/ia64.c (ia64_start_function): Likewise.
19966         * config/vms/vms-protos.h (vms_start_function): Declare.
19967         * config/vms/vms.c (vms_start_function): New function.
19968         * config/vms/vms.h (MATH_LIBRARY): Define.
19969         (VMS_DEBUG_MAIN_POINTER): Define.
19971 2012-03-26  Eric Botcazou  <ebotcazou@adacore.com>
19973         PR rtl-optimization/52629
19974         * reload1.c (count_pseudo): Short-circuit common case.
19975         (count_spilled_pseudo): Return early for pseudos without hard regs.
19976         Assert that the pseudo has got a hard reg before manipulating it.
19978 2012-03-24  Jan Hubicka  <jh@suse.cz>
19980         PR lto/51663
19981         * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
19982         (decide_is_variable_needed): Do not handle toplevel reorder here.
19983         * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
19984         * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
19985         even at -O0.
19987 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
19989         * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
19990         and str_bitsize instead of more convoluted expressions.
19992 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
19994         PR target/52610
19995         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
19997 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
19999         PR target/52656
20000         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
20002 2012-03-23  Martin Jambor  <mjambor@suse.cz>
20004         * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
20006 2012-03-23  Richard Guenther  <rguenther@suse.de>
20008         PR tree-optimization/52678
20009         * tree-vectorizer.h (struct _stmt_vec_info): Add
20010         loop_phi_evolution_part member.
20011         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
20012         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
20013         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
20014         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
20015         Use the cached evolution part and the PHI nodes value from
20016         the loop preheader edge instead of re-analyzing the evolution.
20018 2012-03-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
20020         * config/mips/mips-tables.opt: Update.
20021         * config/mips/mips.md (processor): Add xlp.
20022         * config/mips/mips-cpus.def: Add xlp.
20023         * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
20024         5KF for now.
20025         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
20026         * doc/invoke.texi: Mention XLP.
20028 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
20030         PR middle-end/52547
20031         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
20032         on any new_local_var_chain vars declared during recursing on
20033         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
20035 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
20037         * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
20038         (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
20039         (ASM_OUTPUT_LOCAL): Ditto.
20040         (ASM_OUTPUT_COMMON): Remove.
20041         * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
20042         * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
20044 2012-03-22  Jan Hubicka  <jh@suse.cz>
20046         PR middle-end/51737
20047         * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
20048         parameter.
20049         * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
20050         * ipa-inline-transform.c (save_inline_function_body): Remove
20051         copied clone if needed.
20052         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
20054 2012-03-22  Richard Guenther  <rguenther@suse.de>
20056         PR middle-end/52666
20057         * fold-const.c (fold_ternary_loc): Fix typo.
20059 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
20061         PR target/52496
20062         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
20063         (unspecv): Add UNSPECV_MEMORY_BARRIER.
20064         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
20065         (delay_cycles_1, delay_cycles_2): Ditto.
20066         (delay_cycles_3, delay_cycles_4): Ditto.
20067         (nopv, *nopv): Ditto.
20068         (sleep, *sleep): Ditto.
20069         (wdr, *wdr): Ditto.
20071 2012-03-22  Richard Guenther  <rguenther@suse.de>
20073         PR tree-optimization/52548
20074         * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
20075         because of clobbers.
20076         (prune_clobbered_mems): New function.
20077         (compute_antic_aux): Use it to prune ANTIC_OUT.
20078         (compute_partial_antic_aux): Use it to prune PA_IN.
20079         (compute_avail): Only insert expressions into EXP_GEN that are not
20080         invalidated when translated up to the beginning of the block.
20082 2012-03-22  Richard Guenther  <rguenther@suse.de>
20084         PR tree-optimization/52638
20085         * tree-vect-stmts.c (vect_init_vector_1): New function, split
20086         out from ...
20087         (vect_init_vector): ... here.  Handle scalar vector inits.
20088         (vect_get_vec_def_for_operand): Adjust.
20089         (vectorizable_load): Likewise.
20091 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
20093         * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
20094         (alpha*-*-freebsd*): Ditto.
20095         (alpha*-*-netbsd*): Ditto.
20096         (alpha*-*-openbsd*): Ditto.
20097         * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
20098         (DWARF2_DEBUGGING_INFO): Remove.
20099         (PREFERRED_DEBUGGING_TYPE): Remove.
20100         (ASM_FINAL_SPEC): Remove.
20101         (IDENT_ASM_OP): Remove.
20102         (ASM_OUTPUT_IDENT): Remove.
20103         (SKIP_ASM_OP): Remove.
20104         (ASM_OUTPUT_SKIP): Remove.
20105         (ALIGN_ASM_OP): Remove.
20106         (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
20107         (ASM_OUTPUT_CASE_LABEL): Remove.
20108         (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
20109         (COMMON_ASM_OP): Remove.
20110         (ASM_OUTPUT_ALIGNED_COMMON): Remove.
20111         (ASCII_DATA_ASM_OP): Remove.
20112         (READONLY_DATA_SECTION_ASM_OP): Remove.
20113         (INIT_SECTION_ASM_OP): Remove.
20114         (FINI_SECTION_ASM_OP): Remove.
20115         (ASM_SECTION_START_OP): Remove.
20116         (ASM_OUTPUT_SECTION_START_FILE): Remove.
20117         (TARGET_ASM_NAMED_SECTION): Remove.
20118         (TARGET_ASM_SELECT_SECTION): Remove.
20119         (MAKE_DECL_ONE_ONLY): Remove.
20120         (TYPE_ASM_OP): Remove.
20121         (SIZE_ASM_OP): Remove.
20122         (ASM_WEAKEN_LABEL): Remove.
20123         (TYPE_OPERAND_FMT): Remove.
20124         (ASM_DECLARE_RESULT): Remove.
20125         (ASM_DECLARE_OBJECT_NAME): Remove.
20126         (ASM_FINISH_DECLARE_OBJECT): Remove.
20127         (ELF_ASCII_ESCAPES): Remove.
20128         (ELF_STRING_LIMIT): Remove.
20129         (STRING_ASM_OP): Remove.
20130         (ASM_OUTPUT_EXTERNAL): Remove.
20131         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
20132         * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
20133         before define.
20134         (ASM_DECLARE_FUNCTION_NAME): Ditto.
20135         (ASM_DECLARE_FUNCTION_SIZE): Ditto.
20136         (ASM_GENERATE_INTERNAL_LABEL): Ditto.
20137         (ASM_OUTPUT_SKIP): Ditto.
20138         (READONLY_DATA_SECTION_ASM_OP): Remove.
20139         (USER_LABEL_PREFIX): Remove.
20140         (ASM_OUTPUT_ASCII): Remove.
20141         (ASM_OUTPUT_CASE_LABEL): Remove.
20142         (NO_DOLLAR_IN_LABEL): Undefine.
20144 2012-03-22  Richard Guenther  <rguenther@suse.de>
20146         PR tree-optimization/52459
20147         * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
20148         PHI insertion for calls.
20150 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
20152         * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
20153         find_sets_in_insn, canonicalize_insn): Split out from ...
20154         (cse_insn): ... here.
20155         (invalidate_from_clobbers): Take an insn instead of the pattern.
20157 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
20159         PR target/52479
20160         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
20161         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
20162         * config/sh/sh.md (sindf2, cosdf2): Remove.
20164 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
20166         PR target/52642
20167         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
20168         prologue for unwinder and profiler.
20170 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
20172         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
20173         Introduce emul_name to select the right linker emulation for
20174         powerpc64-*-freebsd*.
20175         * configure: Regenerate.
20176         * config.gcc: Add bits to support powerpc64-*-freebsd*.
20177         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
20178         * config/rs6000/freebsd64.h: New file.
20179         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
20180         POWERPC_FREEBSD.
20181         (rs6000_savres_strategy): Likewise.
20182         (rs6000_savres_routine_name): Likewise.
20183         (rs6000_elf_file_end): Likewise.
20184         * config/rs6000/t-freebsd64: New file.
20185         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
20186         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
20188         * config/rs6000/freebsd64.h: Remove duplicated entries from last
20189         commit.
20190         * config/rs6000/t-freebsd64: Likewise.
20192 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
20194         PR rtl-optimization/52543
20195         PR target/52461
20196         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
20197         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
20198         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
20199         (avr_load_libgcc_p): Restrict to __flash loads.
20200         (avr_out_lpm): Only handle 1-byte loads from __flash.
20201         (avr_load_lpm): New function.
20202         (avr_find_unused_d_reg): Remove.
20203         (avr_out_lpm_no_lpmx): Remove.
20204         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
20205         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
20206         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
20207         (load_<mode>, load_<mode>_clobber): New insns.
20208         (mov<mode>): For multi-byte move from non-generic
20209         16-bit address spaces: Expand to load_<mode> resp.
20210         load_<mode>_clobber.
20211         (load<mode>_libgcc): Remove expander.
20212         (split-lpmx): Remove split.
20214 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
20216         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
20217         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
20218         All callers changed.
20219         (Fixed_core_reg): New feature.
20220         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
20221         disassembly.
20222         * neon-testgen.ml: Handle Fixed_core_reg.
20224 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
20226         * config/arm/arm.c (thumb2_reorg): Add complete support
20227         for 16-bit instructions.
20228         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
20230 2012-03-21  Richard Guenther  <rguenther@suse.de>
20232         PR tree-optimizer/52636
20233         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
20234         to the appropriate type.
20236 2012-03-21  Richard Guenther  <rguenther@suse.de>
20238         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
20239         dependencies.
20240         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
20241         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
20242         * passes.c (init_optimization_passes): Remove pass_init_function,
20243         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
20244         * tree-pass.h (pass_init_function): Remove.
20245         (pass_jump): Remove.
20246         (pass_initial_value_sets): Remove.
20247         (pass_unshare_all_rtl): Remove.
20248         * integrate.c (pass_initial_value_sets): Remove.
20249         * emit-rtl.c (pass_unshare_all_rtl): Remove.
20250         * tree.h (init_function_for_compilation): Remove.
20251         * function.c (init_function_for_compilation): Remove.
20252         (pass_init_function): Remove.
20253         * cfgcleanup.c (rest_of_handle_jump): Remove.
20254         (pass_jump): Remove.
20256 2012-03-20  Jason Merrill  <jason@redhat.com>
20258         * tree-streamer-in.c (streamer_alloc_tree): Call
20259         ggc_alloc_zone_cleared_tree_node instead of
20260         ggc_alloc_zone_cleared_tree_node_stat.
20262 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
20264         * doc/extend.texi (Template Instantiation): Remove anachronisms.
20266 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
20268         PR target/52607
20269         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
20270         (ix86_expand_vec_perm_const_1): Call it.
20272         * config/i386/i386.c (vselect_insn): New variable.
20273         (init_vselect_insn): New function.
20274         (expand_vselect, expand_vselect_insn): Add testing_p argument.
20275         Call init_vselect_insn if vselect_insn is NULL.  Adjust
20276         PATTERN (vselect_insn), instead of creating a new insn each time,
20277         only emit a copy of it if not testing and recog has been successful.
20278         (expand_vec_perm_pshufb, expand_vec_perm_1,
20279         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
20280         callers.
20282         PR target/52607
20283         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
20284         ("enabled" attribute): Handle avx2 and noavx2 isas.
20285         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
20286         New insns.
20287         (vec_dup<mode>): Add avx2 =x,x alternative.
20288         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
20289         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
20290         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
20291         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
20292         for V8SFmode.
20293         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
20294         if possible, handle also V8SFmode.
20296 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
20298         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
20299         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
20300         reg_or_zero_operand predicate.
20301         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
20303 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
20305         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
20306         If operand isn't UNSPEC, return 0.
20308 2012-03-20  Richard Guenther  <rguenther@suse.de>
20310         * tree-pass.h (pass_rtl_eh): Remove.
20311         * except.c (gate_handle_eh): Likewise.
20312         (rest_of_handle_eh): Likewise.
20313         (pass_rtl_eh): Likewise.
20314         (finish_eh_generation): Export.
20315         * except.h (finish_eh_generation): Declare.
20316         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
20317         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
20318         after expanding stack alignment.  Instead of compacting blocks
20319         call cleanup_cfg.
20321 2012-03-20  Richard Guenther  <rguenther@suse.de>
20323         * stor-layout.c (finish_bitfield_representative): Fallback
20324         to conservative maximum size if the padding up to the next
20325         field cannot be computed as a constant.
20326         (finish_bitfield_layout): If we cannot compute the distance
20327         between the start of the bitfield representative and the
20328         bitfield member start a new representative.
20329         * expr.c (get_bit_range): The distance between the start of
20330         the bitfield representative and the bitfield member is zero
20331         if the field offsets are not constants.
20333 2012-03-20  Tristan Gingold  <gingold@adacore.com>
20335         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
20336         convert in lowercase.
20337         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
20338         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
20339         * stor-layout.c (sizetype_tab): Adjust.
20340         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
20341         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
20342         instead of type_kind_last.
20343         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
20344         instead of size_int_kind.
20345         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
20346         * doc/tm.texi: Regenerate.
20347         * defaults.h (SIZETYPE): Provide a default value.
20348         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
20349         (SIZETYPE): Define.
20351 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
20353         * config/sh/sh.md: Use braced string notation where applicable.
20355 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
20357         * config/i386/i386.md (allocate_stack): Simplify.
20359 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
20361         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
20362         copy_to_mode_reg (Pmode, ...).
20363         (expand_builtin_frame_address): Ditto.
20364         * expr.c (emit_block_move_via_libcall): Ditto.
20365         (set_storage_via_libcall): Ditto.
20367         * config/i386/i386.c (ix86_expand_movmem): Ditto.
20368         (ix86_expand_setmem): Ditto.
20369         (ix86_trampoline_init): DItto.
20370         * config/i386/i386.md (cmpstrnsi): Ditto.
20372 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
20374         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
20375         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
20376         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
20377         (SH Options): Likewise.
20379 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
20381         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
20382         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
20383         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
20384         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
20385         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
20387         Revert:
20388         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
20390         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
20391         * config/i386/i386.c (ix86_decompose_address): Use
20392         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
20393         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
20394         thread pointer to a register.
20396         Revert:
20397         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
20399         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
20400         if Pmode != word_mode.
20401         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
20402         Pmode == SImode for TARGET_X32.
20404         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
20405         (tls_initial_exec_x32): Likewise.
20407 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
20409         PR target/50751
20410         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
20411         DISP_ADDR_OFFSET): New macros.
20412         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
20413         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
20414         (sh_legitimize_address): Add QImode displacement handling.
20415         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
20416         vector subregs.
20417         (sh_secondary_reload): Add QImode displacement handling.
20418         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
20419         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
20420         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
20421         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
20422         to register operands only.
20423         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
20424         (extendqihi2): Change insn to expander.
20425         (*extendqihi2_compact_reg): New insn.
20426         (movqi_i, movqi): Replace with ...
20427         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
20428         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
20429         Add new peepholes for QImode displacement addressing.
20431 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
20433         PR c++/14710
20434         * doc/invoke.texi: Document -Wuseless-cast.
20436 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
20438         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
20439         * tree.h (handled_component_p): Reorder cases.
20440         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
20441         not initialize unsignedp.
20442         (loc_list_from_tree): Likewise.
20443         (fortran_common): Likewise.
20444         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
20446 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
20448         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
20449         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
20450         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
20451         (ix86_split_long_move): Ditto.
20452         (legitimize_tls_address): Use ix86_gen_sub3.
20453         (construct_plt_address): Assert that Pmode == DImode.
20455 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
20457         * config/i386/i386.md: Remove empty predicates and/or constraints.
20458         * config/i386/sync.md: Ditto.
20459         * config/i386/sse.md: Ditto.
20460         * config/i386/mmx.md: Ditto.
20461         * config/i386/pentium.md: Ditto.
20462         * config/i386/athlon.md: Ditto.
20464 2012-03-16  Richard Guenther  <rguenther@suse.de>
20466         PR tree-optimization/52603
20467         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
20468         comment.
20470         Revert
20471         2012-03-14  Richard Guenther  <rguenther@suse.de>
20473         PR tree-optimization/52571
20474         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
20475         flag_section_anchors check ...
20476         (vect_can_force_dr_alignment_p): ... here.
20478 2012-03-16  Martin Jambor  <mjambor@suse.cz>
20480         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
20481         memory through MEM_REFs by calling extract_bit_field.
20483 2012-03-16  Richard Guenther  <rguenther@suse.de>
20485         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
20486         and REFERENCE_TYPE interpretations.
20487         (can_native_interpret_type_p): New function.
20488         (fold_ternary_loc): Use native encode/interpret to fold
20489         BIT_FIELD_REFs of constants.
20491 2012-03-16  Richard Guenther  <rguenther@suse.de>
20493         PR middle-end/52584
20494         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
20495         of vector constants and constructors.
20497 2012-03-16  Richard Guenther  <rguenther@suse.de>
20499         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
20500         VIEW_CONVERT_EXPR to convert constants.
20501         (vect_is_simple_use): Treat all constants as vec_constant_def.
20503 2012-03-16  Richard Guenther  <rguenther@suse.de>
20504             Kai Tietz  <ktietz@redhat.com>
20506         PR middle-end/48814
20507         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
20508         side-effects completely in the pre-queue and use a temporary
20509         for the result.
20511 2012-03-16  Richard Guenther  <rguenther@suse.de>
20513         * stor-layout.c (finish_bitfield_representative): Fall back
20514         to the conservative maximum size if we cannot compute the
20515         size of the tail padding.
20517 2012-03-16  Tristan Gingold  <gingold@adacore.com>
20519         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
20520         __CRTL_VER and __VMS_VER.
20521         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
20522         and vms_c_get_vms_ver.
20523         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
20524         functions.
20525         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
20526         (VMS_DEFAULT_VMS_VER): Define.
20527         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
20528         (VMS_DEFAULT_VMS_VER): Define.
20530 2012-03-16  Richard Guenther  <rguenther@suse.de>
20532         * tree-vect-loop.c (get_initial_def_for_induction): Use
20533         build_constructor directly.
20534         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
20535         build_vector_from_val.
20536         * tree.c (build_vector_from_val): Avoid creating a constructor
20537         first when we want a constant vector.
20539 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20541         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
20543 2012-03-16  Richard Guenther  <rguenther@suse.de>
20545         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
20546         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
20547         (struct tree_vector): Remove elements member, add variable size
20548         elts array member.
20549         (build_vector_stat): Declare.
20550         (build_vector): Define in terms of build_vector_stat.
20551         * tree.c (build_vector): Rename to ...
20552         (build_vector_stat): ... this.  Take array of trees as parameter.
20553         (build_vector_from_ctor): Adjust.
20554         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
20555         initializer_zerop): Adjust.
20556         * cfgexpand.c (expand_debug_expr): Likewise.
20557         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
20558         const_vector_from_tree): Likewise.
20559         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
20560         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
20561         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
20562         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
20563         (lto_input_ts_vector_tree_pointers): Adjust.
20564         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
20565         (write_ts_vector_tree_pointers): Adjust.
20566         * varasm.c (const_hash_1, compare_constant, copy_constant,
20567         output_constant): Adjust.
20568         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
20569         * print-tree.c (print_node): Adjust.
20570         * tree-pretty-print.c (dump_generic_node): Adjust.
20571         * tree-vect-generic.c (uniform_vector_p, vector_element,
20572         lower_vec_perm): Adjust.
20573         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
20574         * tree-vect-slp.c (vect_get_constant_vectors,
20575         vect_transform_slp_perm_load): Adjust.
20576         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
20577         * expmed.c (make_tree): Adjust.
20578         * config/i386/i386.c (ix86_expand_builtin): Adjust.
20579         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
20580         and implementation.
20581         (sparc_fold_builtin): Adjust.
20583 2012-03-16  Tristan Gingold  <gingold@adacore.com>
20585         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
20586         * config/vms/vms-stdint.h: New file.
20588 2012-03-16  Tristan Gingold  <gingold@adacore.com>
20590         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
20591         (ia64-hp-*vms*): Replaced by ...
20592         (*-*-*vms*): ... This new entry.
20594 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
20596         PR target/52568
20597         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
20598         (ix86_expand_vec_perm_const_1): Use it.
20600         PR target/52568
20601         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
20602         (avx2_permv4df): Remove.
20603         (avx2_permv4di): Macroize into...
20604         (avx2_perm<mode>): ... this using VI8F_256 iterator.
20605         (avx2_permv4di_1): Macroize into...
20606         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
20608 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
20610         * combine.c (apply_distributive_law): Do not distribute SUBREG.
20612 2012-03-15  Ira Rosen  <irar@il.ibm.com>
20613             Ulrich Weigand  <ulrich.weigand@linaro.org>
20615         * tree-vect-patterns.c (widened_name_p): Rename to ...
20616         (type_conversion_p): ... this.  Add new argument to determine
20617         if it's a promotion or demotion operation.  Check for
20618         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
20619         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
20620         widened_name_p.
20621         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
20622         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
20623         Likewise.
20624         (vect_recog_mixed_size_cond_pattern): Likewise and allow
20625         non-constant then and else clauses.
20627 2012-03-15  Ira Rosen  <irar@il.ibm.com>
20628             Ulrich Weigand  <ulrich.weigand@linaro.org>
20630         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
20631         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
20632         vect_pattern_recog.
20633         * tree-vect-patterns.c (widened_name_p): Pass basic block
20634         info to vect_is_simple_use.
20635         (vect_recog_dot_prod_pattern): Fail for basic blocks.
20636         (vect_recog_widen_sum_pattern): Likewise.
20637         (vect_handle_widen_op_by_const): Support basic blocks.
20638         (vect_operation_fits_smaller_type,
20639         vect_recog_over_widening_pattern): Likewise.
20640         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
20641         Update call to vect_is_simple_use.
20642         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
20643         Add printing.
20644         (check_bool_pattern): Add an argument, update call to
20645         vect_is_simple_use and the recursive calls.
20646         (vect_recog_bool_pattern): Update relevant function calls.
20647         Add printing.
20648         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
20649         (vect_pattern_recog_1): Check for reduction only in loops.
20650         (vect_pattern_recog): Add new argument.  Support basic blocks.
20651         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
20652         info to vect_is_simple_use_1.
20653         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
20654         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
20656 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
20657             Andrew Pinski  <apinski@cavium.com>
20659         PR middle-end/52592
20660         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
20661         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
20662         calls instead of __builtin_ir{int,ound}*.
20664 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
20666         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
20667         documentation.
20669 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
20671         * config.gcc (target_type_format_char): New. Document it. Set it for
20672         arm*-*-* .
20673         * configure.ac (gnu_unique_option): Use target_type_format_char
20674         in test.  Comment rationale.
20675         * configure: Regenerate .
20677 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
20679         PR tree-optimization/52267
20680         * tree-vrp.c (masked_increment): New function.
20681         (register_edge_assert_for_2): Derive ASSERT_EXPRs
20682         from (X & CST1) cmp CST2 tests.
20684 2012-03-15  Richard Guenther  <rguenther@suse.de>
20686         PR middle-end/52580
20687         * tree-data-ref.c (subscript_dependence_tester_1): Check
20688         all dimensions for non-conflicting access functions.
20690 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
20692         PR c++/44783
20693         * doc/invoke.texi [C++ Language Options]: Document
20694         -ftemplate-backtrace-limit.
20696 2012-03-15  Tristan Gingold  <gingold@adacore.com>
20698         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
20699         before a parameter.
20701 2012-03-15  Tristan Gingold  <gingold@adacore.com>
20703         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
20704         use DW_OP_call_frame_cfa.
20706 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
20708         PR target/50797
20709         * config/i386/i386-opts.h (pmode): New.
20711         * config/i386/i386.c (ix86_option_override_internal): Properly
20712         check and set ix86_pmode.
20714         * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
20716         * config/i386/i386.opt (maddress-mode=): New.
20718         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
20720 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20722         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
20723         (dwarf2out_do_cfi_asm): Likewise.
20724         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
20725         handling.
20726         (add_data_member_location_attribute): Likewise.
20727         (gen_array_type_die): Likewise.
20728         (gen_subprogram_die): Likewise.
20729         (gen_producer_string): Likewise.
20730         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
20731         Remove MIPS_DEBUGGING_INFO handling.
20732         (sdb_debug_hooks): Likewise.
20733         (sdbout_begin_block): Likewise.
20734         (sdbout_end_block): Likewise.
20735         (sdbout_begin_prologue): Likewise.
20736         (sdbout_start_source_file): Likewise.
20737         (sdbout_end_source_file): Likewise.
20738         (sdbout_init): Likewise.
20739         * system.h (MIPS_DEBUGGING_INFO): Poison.
20741 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20743         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
20744         (alpha_file_start) [MS_STAMP]: Remove.
20746         * config/alpha/elf.h (TARGET_GAS): Remove.
20747         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
20748         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
20749         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
20750         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
20751         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
20752         (alpha*-*-freebsd*): Likewise.
20753         (alpha*-*-netbsd*): Likewise.
20754         (alpha*-*-openbsd*): Likewise.
20755         (alpha*-*-*): Remove target_cpu_default2.
20756         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
20757         handling.
20758         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
20759         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
20760         * config/alpha/alpha.c (print_operand): Always assume
20761         TARGET_AS_SLASH_BEFORE_SUFFIX.
20762         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
20763         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
20764         ("*builtin_setjmp_receiver_er_1"): Remove.
20765         * config/alpha/alpha.opt (malpha-as): Remove.
20766         (mgas): Ignore.
20767         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
20768         -malpha-as, -mgas.
20769         Remove DEC Unix reference.
20771         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
20772         (EXTENDED_COFF): Remove.
20773         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
20774         (EXTENDED_COFF): Don't undef.
20775         * config/alpha/alpha.c (alpha_file_start): Always assume
20776         OBJECT_FORMAT_ELF.
20777         Don't set targetm.asm_file_start_file_directive.
20778         [!OBJECT_FORMAT_ELF]: Remove.
20779         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
20781         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
20782         (DBX_DEBUGGING_INFO): Remove.
20783         (MIPS_DEBUGGING_INFO): Remove.
20784         (PREFERRED_DEBUGGING_TYPE): Remove.
20785         (DBX_OUTPUT_SOURCE_LINE): Remove.
20786         (SDB_OUTPUT_SOURCE_LINE): Remove.
20787         (DBX_CONTIN_LENGTH): Remove.
20788         (NO_DBX_FUNCTION_END): Remove.
20789         (ASM_STABS_OP): Remove.
20790         (ASM_STABN_OP): Remove.
20791         (ASM_STABD_OP): Remove.
20792         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
20793         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
20794         (PUT_SDB_DEF): Remove.
20795         (PUT_SDB_PLAIN_DEF): Remove.
20796         (PUT_SDB_TYPE): Remove.
20797         (sdb_label_count): Remove.
20798         (PUT_SDB_BLOCK_START): Remove.
20799         (PUT_SDB_BLOCK_END): Remove.
20800         (PUT_SDB_FUNCTION_START): Remove.
20801         (PUT_SDB_FUNCTION_END): Remove.
20802         (PUT_SDB_EPILOGUE_END): Remove.
20803         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
20804         (MIPS_DEBUGGING_INFO): Don't undef.
20805         (DBX_DEBUGGING_INFO): Don't undef.
20806         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
20807         (MIPS_DEBUGGING_INFO): Don't undef.
20808         (DBX_DEBUGGING_INFO): Don't undef.
20809         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
20810         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
20811         handling.
20812         (alpha_start_function): Likewise.
20813         (sdb_label_count): Remove.
20814         (alpha_output_filename): Remove DBX_DEBUG handling.
20815         (alpha_file_start): Likewise.
20817 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20819         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
20820         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
20821         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
20822         Solaris 8 support.
20823         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
20824         (ld_tls_support): Remove Solaris 8 references.
20825         (lwp_dir, lwp_spec): Remove support for alternate thread library.
20826         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
20827         * configure: Regenerate.
20828         * config.in: Regenerate.
20830         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
20831         * config/i386/sol2.h: Remove Solaris 8 references.
20833         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
20834         (i?86-*-solaris2.9): ... this.
20835         Remove Solaris 8 references.
20836         (Specific, *-*-solaris2*): Document Solaris 8 removal.
20837         Remove Solaris 8 references.
20839 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20841         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
20842         (mips-sgi-irix6.5*): Remove.
20843         * config.host (mips-sgi-irix*): Remove.
20844         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
20845         (set_have_as_tls): Remove *-*-irix6*.
20846         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
20847         * configure: Regenerate.
20849         * config/mips/iris6.h: Remove.
20850         * config/mips/iris6.opt: Remove.
20851         * config/mips/t-irix6: Remove.
20853         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
20854         (TARGET_IRIX6): Remove.
20855         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
20856         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
20857         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
20858         handling.
20859         (mips_file_start): Likewise.
20860         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
20862         * config/mips/driver-native.c [__sgi__]: Remove.
20863         (host_detect_local_cpu) [__sgi__]: Remove.
20865         * config/mips/gnu-user.h: Remove iris5.h reference.
20867         * config/mips/mips-modes.def: Remove IRIX 6 reference.
20868         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
20869         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
20870         Remove.
20872         * gcc.c (main): Move asm_debug initialization ...
20873         (asm_debug): ... here.
20875         * ginclude/stddef.h (__STDDEF_H__): Don't define.
20877         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
20878         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
20879         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
20880         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
20881         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
20882         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
20883         Remove.
20884         * doc/tm.texi: Regenerate.
20886         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
20887         IRIX 6 reference.
20888         (MIPS Options, -march): Remove IRIX reference.
20889         * doc/install.texi (Binaries, SGI IRIX): Remove.
20890         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
20891         of section.
20892         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
20894 2012-03-14  Martin Jambor  <mjambor@suse.cz>
20896         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
20897         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
20898         (expand_expr_real_1): Do not handle misalignment if modifier is
20899         EXPAND_WRITE.
20901 2012-03-14  Richard Guenther  <rguenther@suse.de>
20903         PR middle-end/52584
20904         * tree-vect-generic.c (type_for_widest_vector_mode): Take
20905         element type instead of mode, use build_vector_type_for_mode
20906         instead of the langhook, build a vector of proper signedness.
20907         (expand_vector_operations_1): Adjust.
20909 2012-03-14  Richard Guenther  <rguenther@suse.de>
20911         PR middle-end/52582
20912         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
20913         a cgraph node for a FUNCTION_DECL that comes from a constructor.
20914         (gimple_get_virt_method_for_binfo): Likewise.
20916 2012-03-14  Richard Guenther  <rguenther@suse.de>
20918         PR tree-optimization/52571
20919         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
20920         flag_section_anchors check ...
20921         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
20922         DECL_COMMON variables.
20924 2012-03-14  Richard Guenther  <rguenther@suse.de>
20926         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
20927         * stor-layout.c (start_bitfield_representative): New function.
20928         (finish_bitfield_representative): Likewise.
20929         (finish_bitfield_layout): Likewise.
20930         (finish_record_layout): Call finish_bitfield_layout.
20931         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
20932         for QUAL_UNION_TYPE fields.
20933         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
20934         Stream DECL_BIT_FIELD_REPRESENTATIVE.
20935         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
20937         PR middle-end/52080
20938         PR middle-end/52097
20939         PR middle-end/48124
20940         * expr.c (get_bit_range): Unconditionally extract bitrange
20941         from DECL_BIT_FIELD_REPRESENTATIVE.
20942         (expand_assignment): Adjust call to get_bit_range.
20944 2012-03-14  Richard Guenther  <rguenther@suse.de>
20946         PR middle-end/52578
20947         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
20948         the outermost conversion is a sign-change only.
20949         (fold_binary_loc): Disregard widening and sign-changing
20950         conversions when we determine if two variables are equal
20951         for reassociation.
20952         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
20953         (T1)x if the outermost conversion is a sign-change only.
20955 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
20957         Revert:
20958         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
20960         * config/i386/predicates.md (constant_call_address_operand): Declare
20961         as special predicate.  Update all uses.
20963 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
20965         PR c/52577
20966         * c-parser.c (c_parser_postfix_expression)
20967         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
20969         * config/i386/smmintrin.h: Avoid /* within a comment.
20970         * config/i386/nmmintrin.h: Likewise.
20972 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
20974         * config/i386/i386.md (xbegin): Remove constraint from expander.
20976 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
20978         * config/i386/predicates.md (constant_call_address_operand): Declare
20979         as special predicate.  Update all uses.
20980         * config/i386/i386.md: Remove mode from constant_call_address_operand
20981         predicates.
20982         * config/i386/i386.c (ix86_output_call_insn): Call
20983         constant_call_address_operand with VOIDmode.
20985 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
20987         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
20988         AND zero extended address correctly.
20990 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
20992         * config/i386/predicates.md (tls_symbolic_operand): Declare as
20993         special predicate.
20994         (tls_modbase_operand): Ditto.
20995         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
20996         tls_modbase_operand predicates.
20998 2012-03-13  Martin Jambor  <mjambor@suse.cz>
21000         * expr.c (expand_assignment): Handle misaligned scalar writes to
21001         memory through top-level MEM_REFs by calling store_bit_field.
21003 2012-03-13  Richard Guenther  <rguenther@suse.de>
21005         PR middle-end/52134
21006         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
21007         if Y is a constant multiple of 1 << CST.
21009 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
21011         PR target/52488
21012         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
21013         offset (size) to a value the insns can deal with.
21014         (expand_epilogue): Ditto.
21016 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
21018         * config/arm/neon.ml (ops): Fixup expected instructions for
21019         unsigned vector compares.
21021 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
21023         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
21024         addresses only when %reg is not in word mode.
21026 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21028         * config/microblaze/microblaze.md: Fix typo.
21029         * tree-if-conv.c: Likewise.
21030         * tree-vect-patterns.c: Likewise.
21032 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21034         * config.gcc (extra_passes): Remove.
21035         * configure.ac (extra_passes): Don't substitute.
21036         * configure: Regenerate.
21037         * Makefile.in (EXTRA_PASSES): Remove.
21038         (GCC_PASSES): Remove $(EXTRA_PASSES).
21039         (MOSTLYCLEANFILES): Likewise.
21040         (native): Likewise.
21041         (install-common): Likewise.
21043 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
21045         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
21046         * config/i386/i386.c (ix86_decompose_address): Use
21047         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
21048         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
21049         thread pointer to a register.
21051 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
21053         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
21054         on tls_symbolic_operand.
21055         (tls_global_dynamic_64_<mode>): Likewise.
21057 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
21059         PR other/52545
21060         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
21061         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
21063 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
21065         PR target/52499
21066         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
21067         type from reg_class_t to enum reg_class.
21068         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
21070 2012-03-12  Andrew Pinski  <apinski@cavium.com>
21072         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
21073         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
21074         (value_replacement): Likewise.
21075         (empty_block_p): Check also if the PHIs for the block are empty.
21077 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
21079         PR target/52148
21080         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
21081         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
21082         r184615 from 2012-02-28.
21084 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
21086         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
21087         (ix86_gen_tls_local_dynamic_base_64): Likewise.
21088         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
21089         and ix86_gen_tls_local_dynamic_base_64.
21090         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
21091         ix86_gen_tls_local_dynamic_base_64.
21093         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
21094         (*tls_global_dynamic_64_<mode>): This.
21095         (tls_global_dynamic_64): Renamed to ...
21096         (tls_global_dynamic_64_<mode>): This.
21097         (*tls_local_dynamic_base_64): Renamed to ...
21098         (*tls_local_dynamic_base_64_<mode>): This.
21099         (tls_local_dynamic_base_64): Renamed to ...
21100         (tls_local_dynamic_base_64_<mode>): This.
21102 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
21104         * config/i386/i386.c (ix86_option_override_internal): Properly
21105         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
21106         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
21107         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
21108         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
21110         * config/i386/sse.md (sse3_monitor64): Renamed to ...
21111         (sse3_monitor64_<mode>): This.
21113 2012-03-12  Tristan Gingold  <gingold@adacore.com>
21115         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
21116         (ia64_function_arg_advance): Ditto.
21118 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21120         * config.gcc (mips*-*-openbsd*): Remove.
21121         * config/mips/openbsd.h: Remove.
21122         * config/mips/sdb.h: Remove.
21124         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
21125         * config/mips/mips.c (sdb_label_count): Remove.
21126         (mips_debugger_offset): Remove #if 0 code.
21127         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
21128         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
21130 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21132         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
21133         binutils reference.
21134         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
21135         Update binutils references.
21136         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
21137         Update binutils reference.
21138         Update Sun as/GNU ld caveat.
21139         Document binutils largefile requirement for LTO plugin.
21140         Remove reference to alternate libpthread.
21142 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21144         * config.gcc (alpha*-dec-osf5.1*): Remove.
21145         * config.host (alpha*-dec-osf*): Remove.
21146         * configure.ac (*-*-osf*): Remove.
21147         (alpha*-dec-osf*): Remove.
21148         * configure: Regenerate.
21150         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
21151         config/alpha/va_list.h, config/alpha/x-osf: Remove.
21153         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
21154         * config/alpha/alpha.c (struct machine_function): Update comment.
21155         (alpha_start_function): Remove Tru64 UNIX as handling for
21156         max_frame_size.
21157         * config/alpha/alpha.md ("exception_receiver"): Remove
21158         TARGET_LD_BUGGY_LDGP.
21159         ("*exception_receiver_2"): Likewise.
21160         * except.c (finish_eh_generation): Remove Tru64 reference.
21161         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
21162         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
21163         * target.def (handle_pragma_extern_prefix): Remove.
21165         * Makefile.in (mips-tfile.o-warn): Remove.
21166         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
21167         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
21168         * mips-tdump.c, mips-tfile.c: Remove.
21170         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
21171         extern_prefix.
21172         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
21173         (Specific, alpha*-dec-osf5.1): Note removal.
21174         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
21175         Remove.
21176         * doc/tm.texi: Regenerate.
21177         * doc/trouble.texi (Cross-Compiler Problems): Remove.
21179 2012-03-12  Richard Guenther  <rguenther@suse.de>
21181         * config/arm/arm.c (neon_dereference_pointer): Do not call
21182         covert during RTL expansion.
21184 2012-03-12  Tristan Gingold  <gingold@adacore.com>
21186         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
21187         Options.  Mention -mpointer-size.
21189 2012-03-12  Richard Guenther  <rguenther@suse.de>
21191         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
21192         build_nonstandard_integer_type.
21194 2012-03-12  Richard Guenther  <rguenther@suse.de>
21196         * tree.c (signed_or_unsigned_type_for): Use
21197         build_nonstandard_integer_type.
21198         (signed_type_for): Adjust documentation.
21199         (unsigned_type_for): Likewise.
21200         * tree-pretty-print.c (dump_generic_node): Use standard names
21201         for non-standard integer types if available.
21203 2012-03-12  Tristan Gingold  <gingold@adacore.com>
21205         * config/vms/vms.opt: Add vms-opts.h header.
21206         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
21207         target mask.
21208         (-mvms-return-codes): Document.
21209         (-mpointer-size): New option.
21210         (vms_pointer_size): Add enumeration.
21211         * config/vms/vms-opts.h: New file.
21212         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
21213         __INITIAL_POINTER_SIZE.
21214         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
21215         (C_COMMON_OVERRIDE_OPTIONS): Define.
21216         (DWARF2_ADDR_SIZE): Define.
21217         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
21218         * config/vms/vms-protos.h (vms_c_common_override_options):
21219         New prototype.
21220         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
21221         if -mno-pointer-size.
21222         (vms_c_common_override_options): New function.
21223         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
21224         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
21225         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
21226         and flag_vms_pointer_size.
21227         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
21228         * config.gcc (*-*-*vms*): Define xm_file.
21229         (alpha*-dec-*vms*): Do not define xm_file.
21230         (alpha64-dec-*vms*): Remove.
21231         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
21232         and tmake_file.
21234 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
21236         PR tree-optimization/51721
21237         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
21238         if (int) unsvar cmp CST.
21240 2012-03-12  Richard Guenther  <rguenther@suse.de>
21242         * tree-sra.c (create_access_replacement): Only rename the replacement
21243         if we can rewrite it into SSA form.  Properly mark register typed
21244         replacements that we cannot rewrite with TREE_ADDRESSABLE.
21245         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
21246         for aggregate or BLKmode results.
21248 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
21250         PR tree-optimization/52533
21251         * tree-vrp.c (register_edge_assert_for_2): Use double_int
21252         type for mask, only handle shifts by non-zero in-range
21253         shift count, for LE_EXPR and GT_EXPR if new_val is
21254         maximum, don't add the assertion.
21256 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
21258         * doc/invoke.texi: Document -mrtm option.
21259         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
21260         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
21261         (ix86_handle_option): Handle OPT_mrtm.
21262         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
21263         xtestintrin.h.
21264         (x86_64-*-*): Ditto.
21265         * i386-builtin-types.def (INT_FTYPE_VOID): New.
21266         * config/i386/i386-c.c (ix86_target_macros_internal): Define
21267         __RTM__ if needed.
21268         (ix86_target_string): Define -mrtm option.
21269         (PTA_RTM): New.
21270         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
21271         Handle new option.
21272         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
21273         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
21274         IX86_BUILTIN_XTEST.
21275         (bdesc_special_args): Ditto.
21276         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
21277         (ix86_expand_special_args_builtin): Handle new built-in type.
21278         (ix86_expand_builtin): Handle XABORT instruction.
21279         * config/i386/i386.h (TARGET_RTM): New.
21280         * config/i386/i386.md (UNSPECV_XBEGIN): New.
21281         (UNSPECV_XEND): Ditto.
21282         (UNSPECV_XABORT): Ditto.
21283         (UNSPECV_XTEST): Ditto.
21284         (xbegin): Ditto.
21285         (xbegin_1): Ditto.
21286         (xend): Ditto.
21287         (xabort): Ditto
21288         (xtest): Ditto.
21289         (xtest_1): Ditto.
21290         * config/i386/i386.opt (mrtm): New.
21291         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
21292         * config/i386/rtmintrin.h: New header.
21293         * config/i386/xtestintrin.h: Ditto.
21295 2012-03-12  Tristan Gingold  <gingold@adacore.com>
21297         * ginclude/stddef.h: Adjust previous patch.
21298         Use __VMS__ instead of VMS.
21300 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
21302         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
21303         Also convert sequences with CC setting arithmetic instruction.
21305 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
21307         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
21308         from C Language Options to Preprocessor Options.
21309         (C Dialect Options): Move -no-integrated-cpp documentation
21310         from here...
21311         (Preprocessor Options): ...to here.  Rewrite the description
21312         so it makes more sense, and remove discussion of merging front ends.
21314 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
21316         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
21317         needed for loop.
21318         (ix86_expand_setmem): Likewise.
21320 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
21322         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
21323         convert_to_mode.
21325 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
21327         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
21328         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
21330 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
21332         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
21334 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
21336         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
21337         TARGET_64BIT.
21339 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
21340             Uros Bizjak  <ubizjak@gmail.com>
21342         * config/i386/predicates.md (call_insn_operand): Allow
21343         constant_call_address_operand in Pmode only.
21344         (sibcall_insn_operand): Ditto.
21345         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
21346         (*call_vzeroupper): Ditto.
21347         (*sibcall): Ditto.
21348         (*sibcall_vzeroupper): Ditto.
21349         (*call_value): Ditto.
21350         (*call_value_vzeroupper): Ditto.
21351         (*sibcall_value): Ditto.
21352         (*sibcall_value_vzeroupper): Ditto.
21353         (*indirect_jump): Ditto.
21354         (*tablejump_1): Ditto.
21355         (indirect_jump): Convert memory address to word mode for TARGET_X32.
21356         (tablejump): Ditto.
21357         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
21358         to word mode.
21360 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
21362         PR target/51244
21363         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
21364         Use movrt_negc instead of negc pattern for non-SH2A.
21365         (*movnegt): Remove.
21366         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
21368 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
21370         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
21371         if Pmode != word_mode.
21372         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
21373         Pmode == SImode for TARGET_X32.
21375         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
21376         (tls_initial_exec_x32): Likewise.
21378 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
21380         PR rtl-optimization/52528
21381         * combine.c (can_combine_p): Add setting of subst_low_luid
21382         before call to expand_field_assignment().
21384 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
21386         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
21387         and related program names.
21389 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
21391         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
21393 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
21395         PR target/52530
21396         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
21397         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
21398         to set code to 'q'.
21399         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
21400         (*movdi_internal_rex64): Use %E operand modifier for lea.
21401         (*movsi_internal): Ditto.
21402         (*lea_1): Ditto.
21403         (*lea<mode>_2): Ditto.
21404         (*lea_{3,4,5,6}_zext): Ditto.
21405         (*tls_global_dynamic_32_gnu): Ditto.
21406         (*tls_global_dynamic_64): Ditto.
21407         (*tls_dynamic_gnu2_lea_32): Ditto.
21408         (*tls_dynamic_gnu2_lea_64): Ditto.
21409         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
21411 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
21413         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
21414         redefine to be NULL if the current bit-size is different from the
21415         configured bit-size.
21417         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
21418         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
21419         set the default tuning.  Add asserts to make sure the cpu and tune
21420         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
21421         test whether the index is set, instead of > 0.
21422         (rs6000_file_start): Do not reset the default cpu if the current
21423         bit-size is different from the configured bit-size.
21425 2012-03-09  Tristan Gingold  <gingold@adacore.com>
21427         * config/vms/vms-crtlmap.map: Add comments.
21428         Add entries needed to build Ada RTS.
21430 2012-03-09  Tristan Gingold  <gingold@adacore.com>
21432         * ginclude/stddef.h: Do not define __size_t on VMS.
21434 2012-03-09  Tristan Gingold  <gingold@adacore.com>
21436         * c-tree.h (c_default_pointer_mode): New variable.
21437         * c-decl.c (c_default_pointer_mode): New variable.
21438         (c_build_pointer_type): New function.
21439         (grokdeclarator): Call c_build_pointer_type instead
21440         of build_pointer_type.
21442         * config/vms/vms-c.c: Include c-tree.h
21443         (saved_pointer_mode): New variable.
21444         (handle_pragma_pointer_size): New function.
21445         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
21446         (vms_c_register_pragma): Register __pointer_size and
21447         __required_pointer_size pragmas.
21449 2012-03-09  Tristan Gingold  <gingold@adacore.com>
21451         * config/vms/vms-c.c (vms_construct_include_filename): New function.
21452         (vms_c_register_includes): Reference it.
21454 2012-03-09  Andrew Pinski  <apinski@cavium.com>
21456         PR middle-end/51988
21457         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
21458         print_generic_expr.
21459         (tree_ssa_phiopt_worker): Go through all the PHIs for
21460         value_replacement instead of just the singleton one.
21461         (value_replacement): Change return type to int.  Return 0 instead of
21462         false.
21463         Allow the middle basic block to contain more than just the defining
21464         statement.
21465         Handle non empty middle basic blocks.
21466         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
21468 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
21470         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
21471         array reference and component reference.
21472         (analyze_scalar_evolution_for_address_of): New.
21474 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
21476         PR target/49862
21477         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
21478         (hwloop_pattern_reg): Fix set but not used warning.
21479         (bfin_reorg_loops): Remove unused parameter.
21480         (bfin_reorg): Update use of bfin_reorg_loops.
21482 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
21484         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
21485         with integer parameters in registers.
21486         (gen_push): Push register in word_mode instead of Pmode.
21487         (ix86_emit_save_regs): Likewise.
21488         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
21489         (gen_pop): Pop register in word_mode instead of Pmode.
21490         (ix86_emit_restore_regs_using_pop): Likewise.
21491         (ix86_expand_prologue): Replace Pmode with word_mode for push
21492         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
21493         restore RAX and R10 in word_mode.
21494         (ix86_emit_restore_regs_using_mov): Restore integer registers
21495         in word_mode.
21496         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
21497         word_mode.
21498         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
21499         (ix86_split_long_move): Likewise.
21501         * config/i386/i386.md (W): New.
21502         (*push<mode>2_prologue): Replace :P with :W.
21503         (*pop<mode>1): Likewise.
21504         (*pop<mode>1_epilogue): Likewise.
21505         (push/pop peephole2): Use word_mode scratch registers.
21507 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
21509         * config/i386/predicates.md (indirect_branch_operand): Simplify.
21511 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
21513         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
21514         for constants in [-63,63].
21516 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
21518         PR target/52530
21519         Revert:
21520         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
21522         * config/i386/i386.c (ix86_print_operand_address): Only handle
21523         zero-extended DImode addresses.
21525 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21527         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
21528         * configure: Regenerate.
21530 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
21532         PR target/52496
21533         * config/avr/avr.c (avr_mem_clobber): New static function.
21534         (avr_expand_delay_cycles): Add memory clobber operand to
21535         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
21536         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
21537         (enable_interrupt, disable_interrupt): New expander.
21538         (nopv, sleep, wdr): New expanders.
21539         (delay_cycles_1): Add memory clobber.
21540         (delay_cycles_2): Add memory clobber.
21541         (delay_cycles_3): Add memory clobber.
21542         (delay_cycles_4): Add memory clobber.
21543         (cli_sei): New insn from former "enable_interrupt",
21544         "disable_interrupt" with memory clobber.
21545         (*wdt): New insn from former "wdt" with memory clobber.
21546         (*nopv): Similar, but for "nopv".
21547         (*sleep): Similar, but for "sleep".
21549 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
21550             Kaz Kojima  <kkojima@gcc.gnu.org>
21552         PR target/52503
21553         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
21554         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
21555         (SUBTARGET_OVERRIDE_OPTIONS): Define.
21557 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
21559         * config/i386/predicates.md (x86_64_zext_general_operand): New.
21560         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
21561         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
21563 2012-03-07  Walter Lee  <walt@tilera.com>
21565         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
21566         REG_CFA_* notes for the stack pointer.
21567         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
21568         EH_RETURN_STACKADJ_RTX.
21569         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
21570         generate REG_CFA_* notes for the stack pointer.
21571         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
21572         by EH_RETURN_STACKADJ_RTX.
21574 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
21576         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
21577         when __AVR_3_BYTE_PC__ is defined.
21579 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
21581         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
21582         (ix86_print_operand): Handle '^'.
21583         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
21584         using P mode iterator.  Add %^ to asm template to conditionally emit
21585         addr32 prefix.
21586         (*rep_movdi_rex64): Ditto.
21587         (*strsetdi_rex_1): Ditto.
21588         (*rep_stosdi_rex64): Ditto.
21589         (*strmov{si,hi,qi}_1): Add %^ to asm template to
21590         conditionally emit addr32 prefix.
21591         (*rep_mov{si,qi}): Ditto.
21592         (*strset{si,hi,qi}): Ditto.
21593         (*rep_stos{si,qi}): Ditto.
21594         (*cmpstrnqi_nz_1): Ditto.
21595         (*cmpstrnqi_1): Ditto.
21596         (*strlenqi_1): Ditto.
21598 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
21600         * config/i386/i386.c (function_value_64): Return pointers in
21601         word_mode instead of Pmode.
21602         (ix86_promote_function_mode): Likewise.
21604 2012-03-07  Richard Guenther  <rguenther@suse.de>
21606         * coverage.c (get_gcov_type): Use type_for_mode.
21607         (get_gcov_unsigned_t): Likewise.
21608         * expr.c (store_constructor): Use type_for_mode.
21609         (try_casesi): Likewise.
21610         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
21611         (add_standard_iv_candidates): Use standard type trees.
21612         * dojump.c (do_jump): Remove dead code.
21614 2012-03-07  Richard Guenther  <rguenther@suse.de>
21616         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
21618 2012-03-07  Richard Guenther  <rguenther@suse.de>
21620         * convert.c (strip_float_extensions): Move ...
21621         * tree.c (strip_float_extensions): ... here.
21623 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
21625         PR target/52484
21626         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
21628 2012-03-07  Richard Guenther  <rguenther@suse.de>
21630         * omp-low.c (extract_omp_for_data): Use signed_type_for.
21631         (expand_omp_for_generic): Likewise.
21632         (expand_omp_for_static_nochunk): Likewise.
21633         (expand_omp_for_static_chunk): Likewise.
21634         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
21635         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
21636         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
21637         Use unsigned_type_for.
21638         (vect_create_cond_for_align_checks): Use signed_type_for.
21640 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
21642         PR rtl-optimization/52203
21643         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
21644         all callers to pass NULL except ...
21645         (reset_sched_cycles_in_current_ebb): ... here, save the value
21646         in new variable 'empty'.  Increase issue_rate only for
21647         non-empty insns.
21649 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
21651         PR target/51417
21652         * Makefile.in: Let install-gcc-ar depend on installdirs,
21653         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
21654         Don't double canonicalize if cross-compiling.
21656 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
21658         PR target/52506
21659         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
21660         to: RAMPZ, RAMPY, RAMPX, RAMPD.
21661         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
21663 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
21665         PR target/52505
21666         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
21667         from RAM.
21668         * config/avr/avr.md (xload_8): Adjust insn length.
21670 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
21672         PR target/52461
21673         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
21674         if RAMPZ affects reading from RAM.
21676 2012-03-07  Richard Guenther  <rguenther@suse.de>
21678         PR pch/52518
21679         PR pch/38987
21680         * doc/invoke.texi (Precompiled Headers): Remove sentence that
21681         suggests you can include PCHs from inside another header.
21683 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
21685         PR middle-end/52515
21686         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
21688 2012-03-07  Kai Tietz  <ktietz@redhat.com>
21690         * doc/invoke.texi (fwritable-relocated-rdata): Document
21691         new Cygwin/MinGW target option.
21692         * config/i386/winnt.c (i386_pe_unique_section): Ignore
21693         reloc if flag -fwritable-relocated-rdata is not set.
21694         (i386_pe_section_type_flags): Likewise.
21695         * config/i386/cygming.opt (fwritable-relocated-rdata):
21696         Add new flag variable flag_writable_rel_rdata.
21698 2012-03-07  Richard Guenther  <rguenther@suse.de>
21700         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
21701         precision against gimple constraints.
21703 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
21705         PR middle-end/52372
21706         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
21707         variables.
21708         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
21709         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
21710         variables.
21711         (init_emit_regs): Move associated initialization to...
21712         (init_emit_once): ...here.
21714 2012-03-06  Richard Henderson  <rth@redhat.com>
21716         * config/m68k/m68k.h (ISA_HAS_TAS): New.
21717         * config/m68k/sync.md (atomic_test_and_set): Use it.
21718         (atomic_test_and_set_1): Likewise.
21720 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
21722         PR target/50310
21723         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
21724         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
21725         (vector_ltgt<mode>): Likewise.
21726         (vector_ordered<mode>): Likewise.
21727         (vector_unordered<mode>): Likewise.
21728         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
21730 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
21732         * trans-mem.c: New typedef for tm_region_p.
21733         Define vector types for tm_region_p.
21734         (tm_region_init): Replace region_worklist to a vector called
21735         bb_regions.
21737 2012-03-06  Richard Guenther  <rguenther@suse.de>
21739         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
21740         MEM_REF with constant pointer operand.
21742 2012-03-06  Richard Guenther  <rguenther@suse.de>
21744         PR middle-end/52493
21745         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
21747 2012-03-06  Tristan Gingold  <gingold@adacore.com>
21749         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
21750         (external_model_kind): Improve documentation.
21751         (vms_pragma_extern_model): Handle relaxed_redef.
21752         (vms_c_register_pragma): Allow expansion for nomember_alignment.
21754 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
21756         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
21757         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
21758         Some more notes on EIND usage and reorder EIND subsection.
21760 2012-03-06  Tristan Gingold  <gingold@adacore.com>
21762         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
21763         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
21765 2012-03-06  Tristan Gingold  <gingold@adacore.com>
21767         * config/vms/t-vmsnative (version): Define.
21768         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
21770 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
21772         PR rtl-optimization/52250
21773         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
21774         to put note list into.  Unconditionally call move_bb_info.
21775         (move_bb_info): Do not assert the blocks being in the same region,
21776         just drop the note list if they are not.
21778 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
21780         PR target/51244
21781         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
21782         and use unified expansion logic.
21783         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
21784         closer to the existing movt insn.
21785         (negc): Rename insn to *negc.  Add new expander.
21786         (movnegt): Use xor pattern for T bit negation.  Reserve helper
21787         constant for negc pattern.
21788         (*movnegt): New insn and splitter.
21790 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
21792         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
21793         PLUS_EXPR.
21795 2012-03-05  Richard Henderson  <rth@redhat.com>
21797         * genemit.c (main): Include "target.h" in insn-emit.c.
21798         * Makefile.in (insn-emit.o): Depend on TARGET_H.
21799         * config/sh/sync.md (atomic_test_and_set): Reference
21800         targetm.atomic_test_and_set_trueval instead of
21801         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
21803 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
21805         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
21806         Make static.
21808 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
21810         * langhooks.c (add_builtin_type): New function.
21811         * langhooks.h (add_builtin_type): Export it.
21812         * config/mep/mep.c (mep_init_builtins): Use it.
21813         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
21815 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
21817         PR debug/51902
21818         * tree.h (BLOCK_SAME_RANGE): Define.
21819         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
21820         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
21821         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
21822         isn't equal to supercontext fragment's fragment chain.
21823         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
21824         fragment origin.
21825         (blocks_nreverse_all): Likewise.
21826         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
21827         BLOCK_SUPERCONTEXT to supercontext fragment instead of
21828         supercontext fragment's fragment origin.
21829         * dwarf2out.c (add_high_low_attributes): If stmt has the same
21830         range as its parent (or parents thereof etc.), use the parent's
21831         DW_AT_ranges value instead of creating a new .debug_ranges range.
21833 2012-03-05  Richard Henderson  <rth@redhat.com>
21835         PR tree-opt/52242
21836         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
21837         * omp-low.c (expand_omp_atomic): Assume anything aligned to
21838         BIGGEST_ALIGNMENT is aligned.
21840 2012-03-05  Richard Henderson  <rth@redhat.com>
21842         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
21843         * config/sh/sh.c: ... here.
21845 2012-03-05  Richard Henderson  <rth@redhat.com>
21847         PR target/52481
21848         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
21849         instead of calling negqi2 directly.
21851 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
21853         PR middle-end/52463
21854         * trans-mem.c (tm_region_init): Use last_basic_block.
21856 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
21858         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
21859         * config/sh/sync.md (atomic_test_and_set): New expander.
21860         (tasb, atomic_test_and_set_soft): New insns.
21861         * config/sh/sh.opt (menable-tas): New option.
21862         * doc/invoke.texi (SH Options): Document it.
21864 2012-03-05  Richard Guenther  <rguenther@suse.de>
21866         * cfgloop.c (verify_loop_structure): Verify dominators before
21867         using them.
21868         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
21869         dominators from here.
21870         * graphite-scop-detection.c (create_sese_edges): Likewise.
21871         * loop-doloop.c (doloop_optimize_loops): Likewise.
21872         * loop-init.c (loop_optimizer_init): Likewise.
21873         * loop-unroll.c (unroll_and_peel_loops): Likewise.
21874         * loop-unswitch.c (unswitch_loops): Likewise.
21875         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
21876         * tree-parloops.c (parallelize_loops): Likewise.  Verify
21877         only when checking is enabled.
21878         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
21880 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
21882         * genautomata.c (parse_automata_opt): New static function.
21883         (initiate_automaton_gen): Remove all option handling code.  Remove
21884         argc argument.  All callers changed.
21885         (main): Call init_rtx_reader_args_cb with the new function as argument.
21887 2012-03-05  Richard Guenther  <rguenther@suse.de>
21889         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
21890         * tree-if-conv.c (combine_blocks): Free post-dominator info
21891         after breaking it.
21892         * tree-parloops.c (create_parallel_loop): Free and re-compute
21893         dominator info after breaking it.
21895 2012-03-05  Richard Guenther  <rguenther@suse.de>
21897         PR middle-end/52353
21898         * optabs.h (trapv_unoptab_p): New function.
21899         (trapv_binoptab_p): Likewise.
21900         * optabs.c (expand_binop): Use emit_libcall_block_1 with
21901         a proper equiv_may_trap argument.
21902         (expand_unop): Likewise.
21903         (emit_libcall_block_1): Take extra argument whether the
21904         instruction may trap.  Renamed from ...
21905         (emit_libcall_block): ... this.  New wrapper.
21907 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
21909         PR tree-optimization/51721
21910         * tree-vrp.c (register_edge_assert_for_2): If comparing
21911         lhs of right shift by constant with an integer constant,
21912         add ASSERT_EXPRs for the rhs1 of the right shift.
21914         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
21916 2012-03-05  Richard Guenther  <rguenther@suse.de>
21918         * tree.c (integer_zerop): Handle VECTOR_CSTs.
21919         (integer_onep): Likewise.
21920         (integer_all_onesp): Likewise.
21922 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
21924         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
21926 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
21928         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
21929         instead of TARGET_64BIT.
21931 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
21933         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
21934         adjust_stack_insn.
21936 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
21938         * config/i386/i386.c (ix86_print_operand_address): Only handle
21939         zero-extended DImode addresses.
21941 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
21943         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
21944         taken and cputaken as bool.
21946 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
21948         * config/i386/constraints.md (Ya): New internal constraint.
21949         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
21950         (*zero_extendsidi2_rex64): Add x,x alternative.
21951         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
21952         Remove flags reg clobber.  Adjust corresponding splits.
21953         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
21954         zero_extendqisi2 expanders using SWI12 mode iterator.
21955         (zero_extend<mode>si2_and): Macroize insn from
21956         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
21957         splitters.
21958         (*zero_extend<mode>si2):  Macroize insn from
21959         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
21960         (*zero_extend*2_movzbl_and): Remove insn patterns.
21961         (zero_extendqihi2_and): Merge corresponding splitter.
21962         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
21963         (*zero_extend*2_movzbl_and): Remove insn patterns.
21964         (*anddi_1): Split TYPE_IMOVX instructions.
21965         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
21966         (*andhi_1): Ditto.
21967         (and->zext splitter): Add splitter pattern.
21968         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
21970 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
21972         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
21973         x86-specific text.
21974         (Debugging Options): Likewise.
21975         (Optimize Options): Likewise.
21976         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
21977         with other architectures.  Use official processor names with correct
21978         spelling/capitalization.  Fix formatting and grammar issues.
21979         (i386 and x86-64 Windows Options): Similar cleanup here.
21981 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
21983         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
21985 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
21987         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
21988         DBX_REGISTER_NUMBER.
21990 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
21992         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
21993         operand is CONST_INT.  Take COSTS_N_INSNS into account.
21994         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
21995         of shiftcosts.
21997 2012-03-02  Richard Henderson  <rth@redhat.com>
21999         * optabs.c (expand_atomic_test_and_set): Honor
22000         atomic_test_and_set_trueval even when atomic_test_and_set
22001         optab is not in use.
22003 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
22005         PR target/48596
22006         PR target/48806
22007         * config/sh/sh.c (sh_register_move_cost): Increase cost between
22008         GENERAL_REGS and FP_REGS for SImode.
22010 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
22012         PR target/49486
22013         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
22014         (absdi2): New expander.
22015         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
22017 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
22019         * config/sh/sync.md (atomic_exchange<mode>): New expander.
22020         (atomic_exchange<mode>_soft): New insn.
22022 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
22024         * config/sh/sync.md: Update copyright notice dates.
22025         (atomic_compare_and_swap<mode>): Use SImode for return value instead
22026         of QImode.
22027         (atomic_compare_and_swap<mode>_soft): Likewise.
22029 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
22031         PR target/31640
22032         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
22033         * config/sh/sh.c: Update copyright notice dates.
22034         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
22035         alignment for TARGET_HARD_SH4.
22036         (sh_option_override): Reduce default function alignment.  Set
22037         loop alignment to 4 bytes when not optimizing for size.
22039 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
22041         PR middle-end/50335
22042         * doc/invoke.texi (floop-flatten): Remove.
22043         * toplev.c (process_options): Remove references to flag_loop_flatten.
22044         * tree-ssa-loop.c (gate_graphite_transform): Same.
22045         * common.opt (floop-flatten): Obsolete.
22046         * graphite-poly.c (apply_poly_transforms): Remove reference to
22047         flag_loop_flatten.
22048         * Makefile.in (graphite-flattening.o): Remove.
22049         * graphite-flattening.c: Remove.
22051 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
22053         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
22054         having mode compatible with the mode of previous compare.  Substitute
22055         compare mode of previous compare with the mode, compatible
22056         with eliminated and previous compare.
22058 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
22060         * config/rs6000/dfp.md (floatdidd2): New define_insn.
22062 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
22064         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
22065         compatible with CCGOCmode and CCGCmode.
22067 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
22069         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
22071 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
22073         * config/arm/arm.c (arm_sat_operator_match): New function.
22074         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
22075         * config/arm/arm.md ("insn" attribute): Add "sat" value.
22076         ("SAT", "SATrev"): New code iterators.
22077         ("SATlo", "SAThi"): New code iterator attributes.
22078         ("*satsi_<SAT:code>"): New pattern.
22079         ("*satsi_<SAT:code>_shift"): Likewise.
22080         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
22081         and "shift" attributes.
22082         ("arm_usatsihi"): Add "insn" attribute.
22083         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
22084         by powers of two.  Do not allow shift by 32.
22086 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
22088         PR target/46716
22089         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
22090         to pass the argument in the register of "natural" mode.
22092 2012-03-02  Richard Guenther  <rguenther@suse.de>
22094         PR tree-optimization/52406
22095         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
22096         (struct indices): Add unconstrained_base member.
22097         (struct dr_alias): Remove unused vops member.
22098         (DR_UNCONSTRAINED_BASE): New define.
22099         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
22100         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
22101         be an artificial access that covers the whole indexed object,
22102         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
22103         plain decl base-objects to their MEM_REF variant.
22104         (dr_may_alias_p): When the base-object of either data reference
22105         has unknown size use only points-to information.
22106         (compute_affine_dependence): Make dumps easier to read and
22107         more verbose.
22108         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
22109         DR_REF when looking for packed references.
22110         (vect_supportable_dr_alignment): Likewise.
22112 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
22114         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
22115         Improve conditions for peepholes of loads followed by commutative
22116         operators.
22117         * config/arm/ldmstm.md: Regenerated.
22119 2012-03-02  Richard Guenther  <rguenther@suse.de>
22121         * BASE-VER: Set to 4.8.0.
22123 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
22125         * config.gcc (obsolete): Add all ARM targets using the FPA.
22126         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
22127         * doc/install.texi: Avoid references to obsolete ARM ports.
22129 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
22131         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
22133 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
22134             Joern Rennecke  <joern.rennecke@embecosm.com>
22136         * doc/extend.texi: Expand and update information on interrupt
22137         attribute for Epiphany.
22139 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
22141         * config/sh/sh-protos.h: Update copyright notice dates.
22142         * config/sh/sh.h: Likewise.
22143         * config/sh/sh.md: Likewise.
22144         * config/sh/constraints.md: Likewise.
22145         * config/sh/predicates.md: Likewise.
22147 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
22149         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
22150         * config/sh/sh.c (tertiary_reload_operand): Likewise.
22152 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
22154         * config/sh/constraints.md: Fix comment typo.
22156 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22158         PR target/52408
22159         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
22160         unsigned HOST_WIDE_INT.
22161         (zvdep_imm64): Likewise.
22162         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
22163         (vdepi_and): Likewise.
22164         Likewise for unamed 64-bit patterns.
22165         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
22167 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
22169         PR debug/52001
22170         PR rtl-optimization/52417
22171         * cselib.c (cselib_any_perm_equivs): New variable.
22172         (cselib_reset_table): Check that it's not set when not
22173         preserving constants.
22174         (cselib_add_permanent_equiv): Set it.
22175         (cselib_have_permanent_equivalences): New.
22176         (cselib_init, cselib_finish): Reset it.
22177         * cselib.h (cselib_have_permanent_equivalences): Declare.
22178         * alias.c (get_addr): Restore earlier behavior when there
22179         aren't permanent equivalences.
22181 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
22183         * config/mn10300/mn10300-modes.def: Fix copyright notice.
22184         * config/v850/v850-modes.def: Fix copyright notice.
22186 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
22188         * doc/extend.texi (AVR Built-in Functions): Document
22189         __builtin_avr_flash_segment.
22191         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
22192         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
22193         (*split.flash_segment): New insn-and-split.
22194         * config/avr/avr.c (avr_init_builtins): Add local variables:
22195         const_memx_void_node, const_memx_ptr_type_node,
22196         char_ftype_const_memx_ptr.
22198 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
22200         PR tree-optimization/52445
22201         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
22202         add ssa_name_ver, offset and size fields and change store field
22203         to bool.
22204         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
22205         (add_or_mark_expr): Likewise.  Only consider previous stores
22206         with the same size and offset.
22207         (nt_init_block): Only look at gimple_assign_single_p stmts,
22208         doesn't look at rhs2.
22210 2012-03-01  Richard Guenther  <rguenther@suse.de>
22212         PR middle-end/52443
22213         * tree-cfg.c (verify_gimple_assign_unary): Allow any
22214         conversions from integral types to pointer types.
22216 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
22218         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
22219         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
22220         unintentionally removed in r184616.
22222 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
22224         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
22225         3DNow from bdver1.
22227 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
22228             Uros Bizjak  <ubizjak@gmail.com>
22230         PR target/52437
22231         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
22232         alternatives, add "e" constraint to the new last alternative
22233         and ! to last 3 alternatives.
22235 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
22237         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
22238         DW_AT_artificial attributes at the end of the processing.
22239         (gen_array_type_die): Likewise.
22240         (gen_enumeration_type_die): Likewise.
22241         (gen_struct_or_union_type_die): Likewise.
22242         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
22243         the parent type.
22245 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
22247         PR middle-end/52419
22248         * expr.c (expand_assignment): If doing misaligned store that doesn't
22249         cover all mode bits, perform a RMW cycle.
22251         PR tree-optimization/52429
22252         * tree-parloops.c (separate_decls_in_region_debug): Return early
22253         if var is LABEL_DECL.
22255 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22257         PR tree-optimization/52424
22258         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
22259         calling dom_thread_across_edge.
22261 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
22263         * config/avr/avr.c: Move definition of TARGET macros to end of file.
22265 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
22267         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
22268         * config/avr/avr.c (avr_output_bld): Remove unused function.
22269         (avr_out_sbxx_branch): Use "%T" to print bit position.
22271 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
22273         * config/avr/avr.md: Untabify.
22275 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
22277         * config/avr/avr.md (eqne): New code iterator.
22278         (*dec-and-branchsi): Use it in text peephole's condition.
22279         (*dec-and-branchhi): Ditto.
22280         (*dec-and-branchqi): Ditto.
22282 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
22284         PR target/49939
22285         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
22286         the device does not have the skip-bug.
22288 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
22290         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
22291         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
22292         -mpretend-cmove): New.
22294 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
22296         PR bootstrap/52397
22297         * df.h (struct df_d): Adjust comment that hard_regs_live_count
22298         doesn't count DEBUG_INSN refs.
22299         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
22300         for DEBUG_INSN refs.
22302 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
22304         Partially revert:
22306         2012-02-20  Richard Guenther  <rguenther@suse.de>
22307         PR tree-optimization/52298
22308         * tree-vect-stmts.c (vectorizable_load): Properly use
22309         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
22311 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
22313         PR middle-end/51752
22314         * gimple.h (gimple_in_transaction): New.
22315         (gimple_set_in_transaction): New.
22316         (struct gimple_statement_base): Add in_transaction field.
22317         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
22318         transaction loads.
22319         (tree_ssa_lim_initialize): Compute transaction bits.
22320         * tree.h (compute_transaction_bits): Protoize.
22321         * trans-mem.c (tm_region_init): Use the heap to store BB
22322         auxilliary data.
22323         (compute_transaction_bits): New.
22325 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
22327         * gcc.c (display_help): Document --help=common and sort entries
22328         alphabetically.
22330 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
22332         * doc/install.texi: Document check-$LANG specific shortcuts
22334 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
22336         PR target/51534
22337         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
22338         and vcgtu.
22339         * config/arm/arm_neon.h: Regenerate.
22340         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
22341         (neon_vcgeu): New insn.
22342         (neon_vcgtu): Likewise.
22343         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
22344         (ops): Unsigned comparison intrinsics call a different builtin.
22346 2012-02-28  Richard Guenther  <rguenther@suse.de>
22348         PR target/52407
22349         * config/i386/i386.c (ix86_expand_vector_set): Fix element
22350         ordering for the VEC_CONCAT for two element vectors for
22351         V2SFmode, V2SImode and V2DImode.
22353 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
22355         PR target/49448
22356         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
22357         detecting big-endian triplets.
22359 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
22361         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
22362         mode if there is no type information available.
22364 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
22366         PR tree-optimization/53207
22367         * doc/invoke.texi: Document as experimental and relying on graphite.
22369 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
22371         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
22372         of initializer to changes from r184614.
22374 2012-02-28  Richard Guenther  <rguenther@suse.de>
22376         PR tree-optimization/52395
22377         * tree-sra.c (build_ref_for_offset): Also look at the base
22378         TYPE_ALIGN when figuring out the alignment of the replacement.
22380 2012-02-28  Richard Guenther  <rguenther@suse.de>
22382         PR tree-optimization/52402
22383         * ipa-prop.c (ipa_modify_call_arguments): Properly use
22384         mis-aligned types when creating the accesses at the call site.
22386 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
22388         * config/avr/builtins.def: New file.
22389         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
22390         * config/avr/avr.c (enum avr_builtin_id): Use it.
22391         (avr_init_builtins): Use it. And use avr_bdesc.
22392         (bdesc_1arg): Remove.
22393         (bdesc_2arg): Remove.
22394         (bdesc_3arg): Remove.
22395         (struct avr_builtin_description): Add field n_args.
22396         (avr_bdesc): New static variable using builtins.def.
22397         (avr_expand_builtin): Use it.
22398         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
22399         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
22400         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
22402 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
22404         PR target/52148
22405         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
22406         match only one single hard register with respective hard reg rtx.
22407         (movmemx_<mode>): Ditto.
22408         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
22409         insn anatomy of movmem[x]_<mode>.
22410         (avr_out_movmem): Same for printing assembler and operand usage.
22412 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
22414         PR target/49868
22415         PR target/52261
22416         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
22417         address spaces located outside of device flash.
22419         * config/avr/avr.h (base_arch_s): Remove field n_segments.
22420         (mcu_type_s): Add field n_flash.
22421         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
22422         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
22423         (AVR_MCU): Add N_FLASH argument.
22424         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
22425         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
22426         macro __FLASH<n> if that address space makes sense for the device.
22427         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
22428         outside of target flash.
22429         (avr_asm_named_section): Ditto.
22430         (avr_asm_select_section): Ditto.
22431         (avr_addr_space_convert): Ditto.
22432         (avr_emit_movmemhi): Ditto.
22433         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
22434         address space is outside of device flash.
22435         (avr_insert_attributes): Ditto.
22436         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
22437         avr_current_arch->n_segments.
22439 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
22441         PR target/52352
22442         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
22443         (*movabs<mode>_2): Likewise.
22445 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
22447         PR target/52375
22448         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
22449         s_register_operand in the test instead of REG_P.  Don't call
22450         gen_reg_rtx if it won't be used.
22452         PR tree-optimization/52376
22453         * ipa-split.c (split_function): Ignore CLOBBER stmts.
22455 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
22457         * ifcvt.c (noce_get_condition): Check condition variable is not
22458         small_register_classes_for_mode_p before accepting.
22460 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
22462         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
22464 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
22466         Revert:
22467         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
22468         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
22469         tuning parameters.
22470         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
22472 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
22474         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
22476 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
22478         * config/sh/predicates.md: Remove blank lines.
22479         * config/sh/sh.c: Fix typos in comments.
22480         * config/sh/constraints.md: Likewise.
22481         * config/sh/sh.md: Remove blank lines.
22482         Fix typos in comments.  Use ;; as comment characters.
22484 2012-02-26  Walter Lee  <walt@tilera.com>
22486         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
22487         (replace_mov_pcrel_step2): Ditto.
22489 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
22491         PR debug/52001
22492         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
22493         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
22494         and locs that reference values newer than the non-canonical value
22495         at hand.  Return the canonical value as a worst case.
22496         (memrefs_conflict_p): Walk canonical value's locs.
22498         PR debug/52001
22499         * cselib.c (preserve_only_constants): Rename to...
22500         (preserve_constants_and_equivs): ... this.  Split out...
22501         (invariant_or_equiv_p): ... this.  Preserve plus expressions
22502         of other preserved expressions too.
22503         (cselib_reset_table): Adjust.
22504         * var-tracking.c (reverse_op): Use canonical value to build
22505         reverse operation.
22507 2012-02-23  Kai Tietz  <ktietz@redhat.com>
22509         * config/i386/i386.c (ix86_delegitimize_address): Handle
22510         UNSPEC_PCREL plus displacement.
22512 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
22514         PR target/52261
22515         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
22516         to test for unusedness in st X addressing.
22518 2012-02-24  Richard Guenther  <rguenther@suse.de>
22520         PR middle-end/52361
22521         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
22522         (is_gimple_reg_type): Move inline ...
22523         * gimple.h (is_gimple_reg_type): ... here.
22525 2012-02-24  Richard Guenther  <rguenther@suse.de>
22527         PR middle-end/52361
22528         * passes.c (execute_function_todo): When verifying SSA form
22529         verify gimple form first.
22530         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
22532 2012-02-24  Richard Guenther  <rguenther@suse.de>
22534         PR middle-end/52355
22535         * fold-const.c (fold_addr_of_array_ref_difference): New function.
22536         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
22538 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
22540         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
22542 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
22544         * tree-phinodes.c (make_phi_node): Mark static.
22545         * tree-flow.h (make_phi_node): Remove extern decl.
22546         * doc/gimple.texi (make_phi_node): Remove documentation.
22548 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
22550         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
22551         * tree-ssa-sccvn.c (print_scc): Ditto.
22553 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
22555         * doc/passes.texi (Full redundancy elimination): Fix typo.
22557 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
22559         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
22561 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
22563         PR bootstrap/52287
22564         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
22566 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
22568         PR c/52290
22569         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
22571 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
22573         * config/avr/avr.md (code_stdname): Add ior, xor.
22574         (xior): New code iterator.
22575         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
22576         (*<code_stdname><mode>qi.byte1-3): Ditto.
22578 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
22580         PR tree-optimization/52019
22581         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
22582         CLOBBER stmts.
22584 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
22586         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
22587         HAVE_INITFINI_ARRAY to work around namespace pollution in
22588         certain versions of newlib system headers.
22589         * config.in: Regenerate.
22590         * configure: Regenerate.
22591         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
22592         instead of HAVE_INITFINI_ARRAY.
22594 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
22596         PR target/52330
22597         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
22598         is not offsettable memory reference.
22600 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
22602         PR target/18145
22603         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
22604         setting avr_need_clear_bss_p for __gnu_lto* symbols.
22606 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
22608         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
22609         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
22611 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22613         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
22614         library on Solaris 8 even without TLS support.
22615         * configure: Regenerate.
22617 2012-02-22  Richard Guenther  <rguenther@suse.de>
22619         PR middle-end/52329
22620         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
22621         for GIMPLE_DEBUG stmts.
22623 2012-02-22  Martin Jambor  <mjambor@suse.cz>
22625         PR middle-end/51782
22626         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
22627         according to the base object.
22629 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
22631         PR rtl-optimization/50063
22632         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
22633         and 2 (8-bit SP) in operand 2.
22634         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
22635         setup to use movhi_sp_r instead of vanilla move to write SP.
22636         Adjust REG_CFA notes to superseed unspec.
22637         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
22638         of vanilla move.
22639         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
22640         known to be off) only with TARGET_NO_INTERRUPTS. Never use
22641         irq_state 1 (IRQ known to be on) here.
22643 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
22645         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
22646         WORDS_BIG_ENDIAN.
22647         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
22648         assign_hard_reg): Likewise.
22650 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
22652         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
22654 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
22656         * config/avr/avr.md
22657         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
22658         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
22660 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
22662         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
22663         prototype from here to...
22664         * config/avr/avr.h: ...here.
22666 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
22668         PR target/52294
22669         * thumb2.md (thumb2_shiftsi3_short): Split register and
22670         immediate shifts.  For register shifts tie operands 0 and 1.
22671         (peephole2 for above): Check that register-controlled shifts
22672         have suitably tied operands.
22674 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
22676         PR target/52137
22677         * config/i386/bdver1.md (bdver1_call, bdver1_push,
22678         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
22679         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
22680         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
22681         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
22682         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
22683         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
22684         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
22685         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
22686         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
22687         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
22688         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
22689         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
22690         bdver1_ssevector_avx256_unaligned_load,
22691         bdver1_ssevector_sse128_unaligned_load,
22692         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
22693         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
22694         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
22695         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
22696         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
22697         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
22698         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
22699         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
22700         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
22701         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
22702         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
22703         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
22704         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
22705         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
22706         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
22707         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
22708         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
22709         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
22710         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
22711         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
22712         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
22713         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
22714         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
22715         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
22716         bdver1_ssediv_double_load, bdver1_ssediv_double,
22717         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
22718         Add "bdver2" attribute.
22720 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
22722         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
22723         default if possible and not specified otherwise.
22725 2012-02-21  Richard Guenther  <rguenther@suse.de>
22727         PR middle-end/52314
22728         * gimplify.c (create_tmp_from_val): Use the main variant type
22729         for the type of the temporary we create.
22731 2012-02-21  Richard Guenther  <rguenther@suse.de>
22733         PR tree-optimization/52324
22734         * gimplify.c (gimplify_expr): When re-gimplifying expressions
22735         do not gimplify a MEM_REF address operand if it is already
22736         in suitable form.
22738 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
22740         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
22741         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
22743 2012-02-21  Richard Guenther  <rguenther@suse.de>
22745         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
22746         nested_in_vect_loop.
22748 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
22750         PR tree-optimization/52318
22751         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
22752         vdef also to non-pure/const call stmts in the sequence.
22754 2012-02-21  Tristan Gingold  <gingold@adacore.com>
22756         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
22758 2012-02-20  David S. Miller  <davem@davemloft.net>
22760         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
22761         don't use the "rd %pc" instruction on v9 for PIC register loads.
22763 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
22765         PR middle-end/52141
22766         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
22767         in a transaction safe function.
22769 2012-02-20  Kai Tietz  <ktietz@redhat.com>
22771         PR target/52238
22772         * stor-layout.c (place_field): Handle desired_align for
22773         ms-bitfields, too.
22775 2012-02-20  Richard Guenther  <rguenther@suse.de>
22777         PR tree-optimization/52298
22778         * tree-vect-stmts.c (vectorizable_store): Properly use
22779         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
22780         outer loops.
22781         (vectorizable_load): Likewise.
22782         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
22783         Access DR_STEP after ensuring it is not NULL.
22785 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
22787         PR tree-optimization/52286
22788         * fold-const.c (fold_binary_loc): For (X & C1) | C2
22789         optimization use double_int_to_tree instead of build_int_cst_wide,
22790         rewrite to use double_int vars.
22792 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22794         PR target/50166
22795         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
22796         Define _start.
22797         Remove -e 0 from $gcc_cv_ld invocation.
22798         Only use __GLIBC_PREREQ if defined.
22799         Enable on Solaris since Solaris 8 patch.
22800         (gcc_SUN_LD_VERSION): New macro.
22801         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
22802         gcc_SUN_LD_VERSION for version number format.
22803         * configure: Regenerate.
22804         * varasm.c (get_elf_initfini_array_priority_section): Set
22805         SECTION_NOTYPE for non-default priority.
22806         Use get_section instead of get_unnamed_section to emit
22807         .init_array/.fini_array with default priority.
22809 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
22811         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
22812         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
22813         (mips_start_unique_function, mips_output_mips16_rdhwr)
22814         (mips_code_end): New functions.
22815         (TARGET_ASM_CODE_END): Define.
22817 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
22819         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
22820         to stubs with non-sibling calls.
22822 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22824         * doc/invoke.texi (-fira-* options): Copy-edit.
22825         (ira-* parameters): Copy-edit.
22827 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
22829         * doc/invoke.texi: Minor copy-edits to bring into conformance with
22830         GCC coding conventions.
22832 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
22834         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
22835         when used as adjectives.
22837 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
22839         * doc/invoke.texi: Clean up "that"/"which" confusion.
22841 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
22843         * system.h: Poison SMALL_REGISTER_CLASSES
22844         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
22845         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
22847 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
22849         PR tree-optimization/52285
22850         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
22851         when deciding if a call is a tail call or tail recursion.
22853 2012-02-16  Kai Tietz  <ktietz@redhat.com>
22855         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
22856         interger-constant displacement for UNSPEC_PCREL.
22858 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
22860         PR rtl-optimization/52208
22861         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
22862         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
22864         PR tree-optimization/52255
22865         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
22866         loop->header has virtual PHI, but exit_e->dest doesn't, add
22867         virtual PHI to exit_e->dest and adjust all uses after the loop.
22869         PR debug/52260
22870         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
22871         children with clone_tree_hash, not after it.
22873 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
22875         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
22876         extended identifiers.
22878 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
22880         PR middle-end/51929
22881         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
22882         a same_body_alias, also test whether e->callee isn't a former
22883         or current clone of the decl this is a same body alias of.
22885         PR translation/52264
22886         * cgraphunit.c (verify_cgraph_node): Fix a typo.
22888 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
22890         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
22892 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
22894         PR target/52199
22895         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
22896         force_reg instead of copy_to_reg for better optimization.  Force
22897         non-register or memory operands into a register.
22899 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
22901         * extend.texi: Reserve upper bits of memory model for future use.
22903 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
22904             Anatoly Sokolov <aesok@post.ru>
22905             Eric Weddington <eric.weddington@atmel.com>
22907         PR target/52261
22908         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
22909         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
22910         Rewrite initializers for .macro.
22911         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
22912         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
22913         atxmega32d4, atxmega32x1.
22914         avrxmega4: atxmega64a3, atxmega64d3.
22915         avrxmega5: atxmega64a1, atxmega64a1u.
22916         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
22917         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
22918         avrxmega7: atxmega128a1, atxmega128a1u.
22919         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
22920         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
22921         (struct base_arch_s): Rename reserved to xmega_p.
22922         Rename reserved2 to have_rampd.
22923         (AVR_XMEGA): New define.
22924         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
22925         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
22926         * config/avr/predicates.md (io_address_operand): Take into
22927         account SFR offset.
22928         (low_io_address_operand): Ditto.
22929         (high_io_address_operand): Ditto.
22930         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
22931         (enabled, movhi_sp_r): Use them.
22932         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
22933         cpp_define_formatted to built-in define __AVR_ARCH__.
22934         (__AVR_XMEGA__): New built-in define.
22935         (__AVR_HAVE_RAMPD__): New built-in define.
22936         (__AVR_HAVE_RAMPX__): New built-in define.
22937         (__AVR_HAVE_RAMPY__): New built-in define.
22938         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
22940         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
22941         (avr_option_override): Initialize them.
22942         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
22943         (avr_init_expanders): Initialize them. No more block several calls.
22944         (emit_push_sfr): New static function.
22945         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
22946         Handle AVR_XMEGA.
22947         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
22948         (avr_print_operand): Print addreeses as symbols for
22949         RAMPX, RAMPY, RAMPD, CCP.
22950         (output_movhi): Handle AVR_XMEGA when writing to SP.
22951         (avr_out_movhi_mr_r_xmega): New static function.
22952         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
22953         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
22954         __RAMPD__,  __CCP__ as needed.
22956         * config/avr/multilib.h: Regenerate.
22957         * config/avr/t-multilib: Regenerate.
22958         * config/avr/avr-tables.opt: Regenerate.
22960 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
22962         PR tree-optimization/50561
22963         * graphite-flattening.c (lst_project_loop): Do not
22964         remove old scattering dimensions after flattening.
22965         (lst_do_flatten): Likewise.
22967 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
22969         * doc/extend.texi (AVR Built-in Functions): Remove doc for
22970         __builtin_avr_map8, __builtin_avr_map16.
22971         Document __builtin_avr_insert_bits.
22973         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
22974         (insert_bits): New insn.
22975         (adjust_len.map_bits): Rename to insert_bits.
22976         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
22977         * avr-protos.h (avr_out_map_bits): Remove.
22978         (avr_out_insert_bits, avr_has_nibble_0xf): New.
22979         * config/avr/constraints.md (Cxf,C0f): New.
22980         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
22981         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
22982         New built-in define __BUILTIN_AVR_INSERT_BITS.
22983         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
22984         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
22985         (avr_move_bits): Rewrite.
22986         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
22987         functions.
22988         (avr_map_op_t): New typedef.
22989         (avr_map_op): New static variable.
22990         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
22991         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
22992         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
22993         (bdesc_3arg, avr_expand_triop_builtin): New.
22994         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
22995         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
22996         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
22997         (avr_map_equal_p, avr_map_sig_p): Remove.
22998         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
22999         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
23000         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
23001         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
23002         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
23003         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
23005 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
23007         * config/c6x/c6x.md (reserve_cycles): New attribute.
23008         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
23009         don't reserve functional units after the branch occurs.
23011 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
23013         PR middle-end/52142
23014         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
23015         functions into non-tm_pure functions.
23017 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
23019         PR lto/52178
23020         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
23021         (iterative_hash_canonical_type): Likewise.
23022         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
23023         the dead edges.
23025 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
23027         * haifa-sched.c (prune_ready_list): Ensure that if there is a
23028         sched-group insn, it either remains alone or the entire list is pruned.
23030 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
23032         * doc/install.texi (Prerequisites): Fix grammar.
23033         (Configuration): Likewise.
23035 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
23037         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
23038         MPC as part of GCC before describing configuring with --with-gmp etc.
23039         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
23040         sources are present.
23042 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
23044         PR debug/51950
23045         * dwarf2out.c (clone_tree_hash): New function.
23046         (copy_decls_walk): Use it instead of clone_tree.
23048 2012-02-14  Richard Guenther  <rguenther@suse.de>
23050         PR tree-optimization/52244
23051         PR tree-optimization/51528
23052         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
23053         replacements for integral types.
23055 2012-02-14  Walter Lee  <walt@tilera.com>
23057         * config.gcc: Handle tilegx and tilepro.
23058         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
23059         tilegx and tilepro.
23060         Add HAVE_AS_TLS check for tilegx and tilepro.
23061         * configure: Regenerate.
23062         * doc/contrib.texi: Add Mat Hostetter and self.
23063         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
23064         Document instruction intrinsics and network accessing intrinsics.
23065         (TILEPro Built-in Functions): New node.  Document instruction
23066         intrinsics and network accessing intrinsics.
23067         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
23068         (Specific, tilepro-*-linux*): Likewise.
23069         * doc/invoke.texi (TILE-Gx Options): New section.
23070         (TILEPro Options): New section.
23071         * doc/md.texi (TILE-Gx): New section.
23072         (TILEPro): New section.
23073         * common/config/tilegx/tilegx-common.c: New file.
23074         * common/config/tilepro/tilepro-common.c: New file.
23075         * config/tilegx/constraints.md: New file.
23076         * config/tilegx/linux.h: New file.
23077         * config/tilegx/mul-tables.c: New file.
23078         * config/tilegx/predicates.md: New file.
23079         * config/tilegx/sync.md: New file.
23080         * config/tilegx/t-tilegx: New file.
23081         * config/tilegx/tilegx-builtins.h: New file.
23082         * config/tilegx/tilegx-c.c: New file.
23083         * config/tilegx/tilegx-generic.md: New file.
23084         * config/tilegx/tilegx-modes.def: New file.
23085         * config/tilegx/tilegx-multiply.h: New file.
23086         * config/tilegx/tilegx-protos.h: New file.
23087         * config/tilegx/tilegx.c: New file.
23088         * config/tilegx/tilegx.h: New file.
23089         * config/tilegx/tilegx.md: New file.
23090         * config/tilegx/tilegx.opt: New file.
23091         * config/tilepro/constraints.md: New file.
23092         * config/tilepro/gen-mul-tables.cc: New file.
23093         * config/tilepro/linux.h: New file.
23094         * config/tilepro/mul-tables.c: New file.
23095         * config/tilepro/predicates.md: New file.
23096         * config/tilepro/t-tilepro: New file.
23097         * config/tilepro/tilepro-builtins.h: New file.
23098         * config/tilepro/tilepro-c.c: New file.
23099         * config/tilepro/tilepro-generic.md: New file.
23100         * config/tilepro/tilepro-modes.def: New file.
23101         * config/tilepro/tilepro-multiply.h: New file.
23102         * config/tilepro/tilepro-protos.h: New file.
23103         * config/tilepro/tilepro.c: New file.
23104         * config/tilepro/tilepro.h: New file.
23105         * config/tilepro/tilepro.md: New file.
23106         * config/tilepro/tilepro.opt: New file.
23108 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
23110         PR tree-optimization/52210
23111         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
23112         vect_model_simple_cost with two entry vect_def_type array instead
23113         of an address of dt.
23115 2012-02-14  Richard Guenther  <rguenther@suse.de>
23117         PR lto/52178
23118         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
23119         Do not stream DECL_QUALIFIER.
23120         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
23121         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
23122         (find_decls_types_r): Do not walk DECL_QUALIFIER.
23124 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
23126         PR c/52181
23127         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
23128         newdecl.
23130 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
23132         PR bootstrap/52172
23133         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
23134         * cselib.c (cselib_subst_to_values_from_insn): New function.
23135         * sched-deps.c (add_insn_mem_dependence,
23136         sched_analyze_1, sched_analyze_2): Use it.
23138 2012-02-13  Jan Hubicka  <jh@suse.cz>
23140         PR middle-end/52214
23141         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
23143 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
23145         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
23146         (GTM_SELF_SPECS): Define if not already defined.
23147         (driver_self_specs): Add GTM_SELF_SPECS.
23148         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
23149         (GTM_SELF_SPECS): Define.
23150         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
23151         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
23153 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
23155         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
23156         away if seen.
23158         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
23160         PR middle-end/52230
23161         * omp-low.c (expand_omp_for): If a static schedule without chunk size
23162         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
23164 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
23166         PR c/52190
23167         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
23169 2012-02-13  Richard Guenther  <rguenther@suse.de>
23171         PR translation/52211
23172         * passes.c (enable_disable_pass): Fix typo.
23174 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
23176         PR middle-end/52209
23177         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
23178         XOR for reduce_bit_field if type is unsigned.
23180 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
23182         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
23183         disallow changes from SFmode to mode with different size in FP regs.
23185 2012-02-12  Robert Millan  <rmh@gnu.org>
23186             Gerald Pfeifer <gerald@pfeifer.com>
23188         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
23189         Tweak comment.
23191 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
23193         PR rtl-optimization/52175
23194         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
23195         to frame-related instructions.
23197 2012-02-10  Jason Merrill  <jason@redhat.com>
23199         PR c++/51910
23200         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
23201         (demangle_new_symbols): Fill it.
23202         (scan_linker_output): Walk it.
23203         (start_tweaking): Split out from scan_linker_output.
23204         (maybe_tweak): Update sym->chosen.
23205         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
23207 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
23209         PR debug/52132
23210         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
23212 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
23214         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
23215         having the same mode as previous compare.
23217 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
23219         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
23220         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
23221         (nonlocal_goto_internal): Likewise.
23222         (nonlocal_goto): Emit a use and an indirect jump directly.
23224 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
23226         PR c/52190
23227         * doc/extend.texi : Update comments for __atomic_compare_exchange and
23228         __atomic_{is,always}_lock_free.
23230 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
23232         PR target/52146
23233         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
23234         negative constant address for TARGET_X32.
23236 2012-02-10  Richard Henderson  <rth@redhat.com>
23238         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
23239         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
23240         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
23242 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23243             Ira Rosen  <irar@il.ibm.com>
23245         PR tree-optimization/50031
23246         * targhooks.c (default_builtin_vectorization_cost): Handle
23247         vec_promote_demote.
23248         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
23249         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
23250         all types of reduction and pattern statements.
23251         (vect_estimate_min_profitable_iters): Likewise.
23252         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
23253         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
23254         for explicit realigns.
23255         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
23256         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
23257         vec_promote_demote.
23258         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
23259         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
23260         vec_perm for VSX and handle vec_promote_demote.
23262 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
23264         PR middle-end/52177
23265         * builtins.c (fold_builtin_atomic_always_lock_free,
23266         expand_builtin_atomic_always_lock_free,
23267         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
23268         Return and/or test boolean_true_node/boolean_false_node instead of
23269         integer_one_node/integer_zero_node.
23271 2012-02-10  Jan Hubicka  <jh@suse.cz>
23273         PR middle-end/48600
23274         * predict.c (predict_paths_for_bb): Prevent looping.
23275         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
23277 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
23279         * config/arm/arm.c (output_move_double): In one case properly
23280         count number of instructions that will be emitted.
23282 2012-02-10  Richard Guenther  <rguenther@suse.de>
23284         PR translation/52193
23285         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
23287 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
23289         PR middle-end/52140
23290         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
23292 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
23294         PR debug/52165
23295         * var-tracking.c (emit_note_insn_var_location): If
23296         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
23297         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
23298         non-NOTE_DURING_CALL_P insn.
23300 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
23302         PR middle-end/51867
23303         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
23305 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
23307         PR driver/48524
23308         * gcc.c (switch_matches) Support switches with separated form,
23309         -D and -U.
23311 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
23313         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
23314         (SP_ADDR): Ditto.
23315         (RAMPZ_ADDR): Ditto.
23316         * config/avr/avr.c (avr_addr_t): New typedef.
23317         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
23318         (avr_init_expanders): Initialize it.
23319         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
23320         SREG_ADDR.
23321         (expand_epilogue): Ditto.
23322         (avr_print_operand): Ditto.
23323         (avr_file_start): Ditto.
23324         (avr_emit_movmemhi): Ditto.
23326 2012-02-08  Richard Guenther  <rguenther@suse.de>
23328         PR tree-optimization/46886
23329         * tree-flow.h (do_while_loop_p): Declare.
23330         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
23331         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
23333 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
23335         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
23336         always succeed for integers larger than a native word.
23338 2012-02-08  Richard Guenther  <rguenther@suse.de>
23340         PR rtl-optimization/52170
23341         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
23342         properly handle integer vector modes.
23344 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
23346         PR gcov-profile/52150
23347         * coverage.c: Include target.h.
23348         (build_var): Call targetm.strip_name_encoding on the assembler name.
23349         Change one _ into . or $ if the target allows it.
23350         * Makefile.in (coverage.o): Depend on $(TARGET_H).
23352         PR rtl-optimization/52139
23353         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
23354         is a BARRIER after emit_insn_after_noloc, move BB_END
23355         to the last non-BARRIER insn before it.
23357 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
23359         PR middle-end/24306
23360         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
23361         (mips_gimplify_va_arg_expr): Call it instead of
23362         std_gimplify_va_arg_expr.
23364 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
23366         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
23367         message for -mno-pointers-to-nested-function.
23369 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
23371         PR middle-end/51994
23372         * expr.c (get_inner_reference): If there is an offset, add a negative
23373         bit position to it (if any).
23375 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
23377         PR rtl-optimization/52060
23378         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
23379         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
23380         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
23381         and/or i0src_copy2 when needed.
23383 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
23385         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
23386         or LTOPLUGINSONAME if have_c.
23388         * config/freebsd-spec.h: Add comment about what macros can be defined
23389         in this header.
23390         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
23391         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
23392         here instead.
23394 2012-02-07  Richard Guenther  <rguenther@suse.de>
23396         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
23397         newline in -alias dumps.
23399 2012-02-07  Kai Tietz  <ktietz@redhat.com>
23400             Dave Korn  <dave.korn.cygwin@gmail.com>
23402         PR target/40068
23403         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
23404         Take care that typinfo gets dllexport-attribute.
23406 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
23408         PR middle-end/52074
23409         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
23410         if modifier < EXPAND_SUM call force_operand on the result.
23412 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
23414         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
23415         adding __forwarder_dst__ prefix if a forwarder_section attribute is
23416         present.
23417         (epiphany_function_type): Replace types for specific interrupts with
23418         EPIPHANY_FUNCTION_INTERRUPT.
23419         (EPIPHANY_INTERRUPT_P): Update.
23420         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
23421         New static function.
23422         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
23423         <disinterrupt>: Affects type identity.
23424         (epiphany_handle_interrupt_attribute): Handle variable number of
23425         arguments.
23426         (epiphany_compute_function_type): Update for new
23427         epiphany_function_type definition.
23428         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
23429         handlers with a longcall forwarder.
23430         (epiphany_start_function): Handle multiple interrupt arguments and/or
23431         forwarder_section attribute.
23433         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
23434         libgloss.
23436 2012-02-07  Alan Modra  <amodra@gmail.com>
23438         PR target/52107
23439         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
23440         subregs of TFmode.
23442 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23444         PR tree-optimization/50969
23445         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
23446         use vec_perm rather than vector_stmt.
23447         (vect_model_load_cost): Likewise.
23448         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
23449         vec_perm to be the same as other vector statements.
23450         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
23451         cost of vec_perm for TARGET_VSX.
23453 2012-02-06  Richard Guenther  <rguenther@suse.de>
23455         PR tree-optimization/52115
23456         * tree-sra.c (access_has_replacements_p): New function.
23457         (sra_modify_assign): Use it to decide whether a use is uninitialized.
23459 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
23461         PR middle-end/52047
23462         * trans-mem.c (expand_call_tm): Add an assertion.
23463         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
23464         functions.
23466 2012-02-06  Richard Guenther  <rguenther@suse.de>
23468         PR tree-optimization/50955
23469         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
23470         raise cost of expressions that replace an address with an
23471         expression based on a different pointer.
23473 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
23475         PR target/52129
23476         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
23477         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
23479 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
23481         PR c++/48680
23482         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
23483         -Weffc++ and specify guidelines come from second edition.
23485 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
23487         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
23488         (sibcall_value_multiple_internal, call_split, call_internal_direct)
23489         (call_direct_split, call_value_split, call_value_internal_direct)
23490         (call_value_direct_split, call_value_multiple_split): Use jal and
23491         jal_macro attributes.
23493 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
23495         * reload1.c (reload_regs_reach_end_p): Replace with...
23496         (reload_reg_rtx_reaches_end_p): ...this function.
23497         (new_spill_reg_store): Update commentary.
23498         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
23499         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
23500         before setting new_spill_reg_store.
23501         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
23502         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
23503         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
23504         for non-spill reload registers.
23506 2012-02-05  Ira Rosen  <irar@il.ibm.com>
23508         PR tree-optimization/52091
23509         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
23510         (vect_is_simple_use_1): Likewise.
23511         * tree-vect-loop.c (vectorizable_reduction): Update calls
23512         to vect_is_simple_use_1 and vect_is_simple_use.
23513         (vectorizable_live_operation): Likewise.
23514         * tree-vect-patterns.c (widened_name_p,
23515         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
23516         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
23517         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
23518         vectorizable_shift,vectorizable_operation, vectorizable_store,
23519         vectorizable_load): Likewise.
23520         (vect_is_simple_cond): Add an argument, pass it to
23521         vect_is_simple_use_1.
23522         (vectorizable_condition): Update calls to vect_is_simple_cond,
23523         vect_is_simple_use.
23524         (vect_is_simple_use): Add an argument, the statement in which
23525         OPERAND is used.  Check that if OPERAND's def stmt is a double
23526         reduction phi node, the use is a phi node too.
23527         (vect_is_simple_use_1): Add an argument, pass it to
23528         vect_is_simple_use.
23529         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
23530         to vect_is_simple_use.
23532 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
23534         PR rtl-optimization/52095
23535         * modulo-sched.c (dump_insn_locator): New function.
23536         (loop_canon_p, sms_schedule): Use it.
23538         PR rtl-optimization/52113
23539         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
23540         even for decomposable shift/zext insns.
23542 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
23543             Zdenek Dvorak  <ook@ucw.cz>
23545         PR rtl-optimization/52092
23546         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
23547         on get_iv_value result.
23549 2012-02-02  Andrew Pinski  <apinski@cavium.com>
23551         PR middle-end/47982
23552         PR middle-end/43967
23553         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
23555 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
23557         PR middle-end/48071
23558         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
23560 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
23562         PR rtl-optimization/49800
23563         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
23564         (sched_finish): Call regstat_free_n_sets_and_refs.
23566 2012-02-02  Jia Liu  <proljc@gmail.com>
23568         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
23569         than operand 2.
23571 2012-02-02  Jan Hubicka  <jh@suse.cz>
23572             Tom de Vries  <tom@codesourcery.com>
23574         PR middle-end/51998
23575         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
23576         * varpool.c (varpool_analyze_pending_decls): Likewise.
23578 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
23579             Jayant R Sonar <jayant.sonar@kpitcummins.com>
23581         * config.gcc: Add cr16-* support.
23583         * doc/extend.texi: Document cr16 extensions.
23584         * doc/install.texi: Document cr16 install.
23585         * doc/invoke.texi: Document cr16 options.
23586         * doc/md.texi: Document cr16 constraints.
23588         * common/config/cr16/cr16-common.c: New file.
23589         * config/cr16/cr16.c: New file.
23590         * config/cr16/cr16.h: New file.
23591         * config/cr16/cr16.md: New file.
23592         * config/cr16/cr16.opt: New file.
23593         * config/cr16/cr16-protos.h: New file.
23594         * config/cr16/predicates.md: New file.
23595         * config/cr16/constraints.md: New file.
23596         * config/cr16/t-cr16: New file.
23598 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
23600         PR target/52086
23601         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
23602         that operands[2] is either immediate, or q_regs_operand.
23604         PR tree-optimization/52073
23605         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
23606         a pattern stmt for pattern uses, ignore uses outside of the loop.
23608 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
23610         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
23611         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
23612         (OUT_AS1, OUT_AS2): Remove.
23614 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
23616         PR rtl-optimization/51374
23617         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
23618         to cross other volatile_refs_p insns.
23620 2012-02-01  Richard Guenther  <rguenther@suse.de>
23622         * doc/invoke.texi (fno-inline): Clarify documentation.
23623         (finline-small-functions): Likewise.
23624         (finline-functions): Likewise.
23625         * common.opt (finline): Adjust comment and documentation.
23626         (finline-small-functions): Clarify documentation.
23627         (finline-functions): Likewise.
23628         (finline-functions-called-once): Likewise.
23630 2012-02-01  Tristan Gingold  <gingold@adacore.com>
23632         * c-typeck.c (composite_type): Keep mode for pointers.
23634 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
23636         * function.h (regno_reg_rtx): Adjust comment.
23637         * reginfo.c (init_reg_modes_target): Only use the previous mode
23638         if it fits within one register.  Remove MIPS comment.
23640 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
23642         PR bootstrap/52058
23643         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
23645 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
23647         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
23648         to srak instruction.
23650 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
23652         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
23654 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
23656         PR bootstrap/52041
23657         PR bootstrap/52039
23658         PR target/51974
23659         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
23661 2012-01-31  Richard Guenther  <rguenther@suse.de>
23663         PR tree-optimization/51528
23664         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
23665         assigns.
23667 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
23669         PR bootstrap/52041
23670         PR bootstrap/52039
23671         PR target/51974
23672         * ree.c (add_removable_extension): Change def_map argument
23673         to unsigned *, store in def_map 1 + offset into *insn_list vector
23674         instead of pointers into the vector.
23675         (find_removable_extensions): Adjust caller.
23677 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
23679         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
23680         Transform all "* quoted-c-code" to { c-code }.
23681         Remove redundant test for "optimize" in combine patterns.
23682         Move (include "avr-dimode.md") to end of file.
23684 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
23686         PR target/51835
23687         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
23688         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
23690 2012-01-30  Richard Guenther  <rguenther@suse.de>
23692         PR tree-optimization/52028
23693         * tree-loop-distribution.c (ldist_gen): Properly update
23694         virtual SSA form.
23696 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
23698         PR debug/52027
23699         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
23700         set_cur_line_info_table if not emitting debug info.
23702         PR tree-optimization/52046
23703         * tree-vect-patterns.c (check_bool_pattern): Give up if
23704         a comparison could throw.
23706         PR debug/52048
23707         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
23709 2012-01-30  Richard Guenther  <rguenther@suse.de>
23711         PR tree-optimization/52045
23712         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
23713         SSA form if cfgcleanup did anything.
23715 2012-01-30  Richard Guenther  <rguenther@suse.de>
23717         PR tree-optimization/52045
23718         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
23719         before computing final todo.
23721 2012-01-30  Richard Guenther  <rguenther@suse.de>
23723         PR tree-optimization/51528
23724         * tree-sra.c (sra_modify_assign): Re-factor in preparation
23725         for PR51528 fix.
23727 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
23729         * df-problems.c (df_kill_notes): Check that the use refers
23730         to the note under examination.
23732 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
23734         PR target/51920
23735         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
23736         parameter and use short-lived pseudos.
23737         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
23738         (sparc_expand_vector_init): Const-ify local variables and adjust
23739         calls to above functions.
23741 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
23743         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
23745 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
23747         * doc/invoke.texi: Make usage of "compile time" and
23748         "run time"/"runtime" consistent throughout the file.
23750 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
23752         * config/alpha/alpha.c (alpha_option_override): Default to
23753         full IEEE compliance mode for Go language.
23755 2012-01-29  Tijl Coosemans  <tijl@coosemans.org>
23757         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
23758         (LINK_SSP_SPEC): Define.
23760 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
23762         PR target/51871
23763         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
23764         stubs.
23766 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
23768         * doc/invoke.texi: Correct hyphenation of "floating point",
23769         "double precision", and related terminology throughout the file.
23771 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
23773         PR target/52006
23774         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
23775         arm_general_register_operand predicate for operand 2 instead of
23776         register_operand.
23778 2012-01-27  Ian Lance Taylor  <iant@google.com>
23780         PR go/47656
23781         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
23782         * builtins.c (expand_builtin_init_trampoline): Add onstack
23783         parameter.  Change caller.
23784         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
23785         * tree.c (build_common_builtin_nodes): Declare
23786         __builtin_init_heap_trampoline.
23788 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
23790         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
23791         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
23792         * config/avr/avr.c: Ditto.
23793         (avr_regnames): Remove because unused.
23794         * config/avr/avr.md (*cpse.ne): New peephole.
23795         (*cpse.eq): New peephole from former cpse peepholes.
23797 2012-01-27  Michael Eager  <eager@eagercon.com>
23799         * config/microblaze.c (microblaze_emit_compare): Correct
23800         test after pcmp instruction.
23802 2012-01-27  Richard Guenther  <rguenther@suse.de>
23804         PR tree-optimization/52020
23805         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
23807 2012-01-27  Richard Guenther  <rguenther@suse.de>
23809         * ipa-pure-const.c (check_stmt): Clobbers do not make a
23810         function non-const/pure.
23812 2012-01-27  Richard Guenther  <rguenther@suse.de>
23814         PR tree-optimization/50444
23815         * tree-sra.c (build_ref_for_offset): Properly adjust the
23816         MEM_REF type for unaligned accesses.
23818 2012-01-27  Richard Guenther  <rguenther@suse.de>
23820         PR tree-optimization/50444
23821         * expr.c (mem_ref_refers_to_non_mem_p): New function.
23822         (expand_assignment): Use it.  Properly handle misaligned
23823         bases when expanding stores to component references.
23824         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
23825         refactor that case.
23827 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
23829         PR middle-end/51389
23830         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
23831         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
23832         * tree-data-ref.c (find_data_references_in_loop): Make static.
23833         (compute_all_dependences): Change return type to bool.  Bail out
23834         for too many datarefs in a loop.  Move the hunk resetting the data
23835         dependences vector from ...
23836         (compute_data_dependences_for_loop): ... here.  Account for
23837         compute_all_dependences returning false.
23838         (compute_data_dependences_for_bb): Likewise.
23839         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
23840         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
23842 2012-01-27  Richard Guenther  <rguenther@suse.de>
23844         PR middle-end/51959
23845         * expr.c (store_field): Use the alias-set of the scratch memory
23846         for storing to it.
23848 2012-01-27  Tom de Vries  <tom@codesourcery.com>
23850         PR tree-optimization/51990
23851         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
23852         WITH_SIZE_EXPR.
23853         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
23855 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
23857         PR debug/52001
23858         * var-tracking.c (reverse_op): Don't add any reverse operation
23859         if V already has any constant locations.
23861 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
23863         * doc/invoke.texi: Correct usage of "command line" (noun)
23864         vs "command-line" (adjective) throughout.
23866 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
23868         * doc/invoke.texi (Language Independent Options): Move
23869         -Wcoverage-mismatch blurb from here....
23870         (Warning Options): ...to here.
23872 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
23874         * config/rs6000/rs6000.c (rs6000_option_override_internal):
23875         Set rs6000_always_hint to false for 476.
23877 2012-01-27  Matthias Klose  <doko@ubuntu.com>
23879         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
23880           system root.
23881         * incpath.c (add_standard_paths): Likewise.
23883 2012-01-27  Richard Henderson  <rth@redhat.com>
23885         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
23886         * config/m68k/sync.md (atomic_test_and_set): Rename from
23887         sync_test_and_setqi and adjust the operands.
23888         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
23889         and unconditionally enable.
23891 2012-01-27  Richard Henderson  <rth@redhat.com>
23893         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
23894         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
23895         (ldstub): Rename from ldstubqi.
23896         (ldstub<I24MODE>): Remove.
23898 2012-01-27  Richard Henderson  <rth@redhat.com>
23900         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
23901         * c-cppbuiltin.c (cpp_atomic_builtins): Define
23902         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
23903         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
23904         * doc/tm.texi: Rebuild.
23906 2012-01-27  Richard Henderson  <rth@redhat.com>
23908         * optabs.c (gen_atomic_test_and_set): Remove default.
23909         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
23911 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
23913         PR rtl-optimization/51978
23914         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
23915         (combine_reaching_defs): Likewise.
23916         (struct re_info): Remove.
23917         (add_removable_extension): Remove x and data arguments,
23918         add insn, insn_list and def_map.  Use the arguments directly
23919         instead of using struct re_info.
23920         (find_removable_extensions): Don't call add_removable_extension
23921         through note_stores, instead just call it with single_set
23922         result if non-NULL.
23923         (find_and_remove_re): Pass curr_cand->expr instead of
23924         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
23926 2012-01-26  Michael Matz  <matz@suse.de>
23928         PR tree-optimization/46590
23929         * cfgexpand.c: Revert last change (r183305).
23930         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
23931         regs.
23932         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
23933         checking for emptiness.
23935 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
23937         PR middle-end/51895
23938         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
23939         non-addressable non-BLKmode base correctly.
23941 2012-01-26  Michael Matz  <matz@suse.de>
23943         PR tree-optimization/48794
23944         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
23945         regions referenced from RESX/EH_DISPATCH.
23947 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
23949         * config/s390/s390.h: Make BRANCH_COST an option.
23950         * config/s390/s390.opt: New option -mbranch-cost.
23952 2012-01-26  Richard Henderson  <rth@redhat.com>
23954         Revert 2012-01-24 change:
23955         * trans-mem.c (requires_barrier): Do not instrument thread local
23956         variables and emit save/restore for them.
23958 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
23960         PR middle-end/51986
23961         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
23962         for pat == 0.
23964 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
23966         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
23967         ASM_OPERANDS.
23969 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
23971         PR target/49868
23972         Rename __pgm to __flash.
23973         Rename __pgm1 to __flash1.
23974         Rename __pgm2 to __flash2.
23975         Rename __pgm3 to __flash3.
23976         Rename __pgm4 to __flash4.
23977         Rename __pgm5 to __flash5.
23978         Rename __pgmx to __memx.
23979         * doc/extend.texi (AVR Named Address Spaces)
23980         Rename address space names as indicated above.
23981         * config/avr/avr.c (avr_addrspace): Ditto.
23983         * config/avr/avr-protos.h
23984         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
23985         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
23986         * config/avr/predicates.md: Ditto.
23987         * config/avr/avr.c Ditto, and
23988         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
23989         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
23991         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
23992         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
23993         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
23994         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
23995         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
23996         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
23997         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
23998         * config/avr/avr.c: Ditto.
23999         * config/avr/avr.md: Ditto.
24001 2012-01-25  Jason Merrill  <jason@redhat.com>
24003         PR c++/51992
24004         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
24006 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
24008         PR tree-optimization/51987
24009         * tree-data-ref.c (get_references_in_stmt): Handle references in
24010         non-volatile GIMPLE_ASM.
24012 2012-01-25  Richard Guenther  <rguenther@suse.de>
24014         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
24015         bases are dereferenced.
24017 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
24019         PR rtl-optimization/48374
24020         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
24022 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
24024         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
24025         compute_data_dependences_for_loop returns false.
24026         * tree-parloops.c (loop_parallel_p): Likewise.
24028 2012-01-25  Richard Guenther  <rguenther@suse.de>
24030         * tree.h (get_pointer_alignment_1): Declare.
24031         * builtins.c (get_pointer_alignment_1): New function.
24032         (get_pointer_alignment): Use it.
24034 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
24036         PR rtl-optimization/48308
24037         * combine.c (enum undo_kind): Add UNDO_LINKS.
24038         (struct undo): Add member l to other_contents and where.
24039         (do_SUBST_LINK): New.
24040         (SUBST_LINK): New.
24041         (try_combine): Handle LOG_LINKS for the dummy i1 case.
24042         (undo_all): Handle UNDO_LINKS.
24044 2012-01-25  Richard Henderson  <rth@redhat.com>
24046         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
24047         mem inputs.
24049 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
24051         * optabs.c (gen_atomic_test_and_set): Use each argument.
24053 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
24055         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
24056         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
24057         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
24058         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
24059         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
24060         TARGET_PAIRED_SINGLE_FLOAT.
24062 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
24064         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
24065         (in_struct, return_val): Remove MEM documentation.
24066         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
24067         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
24068         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
24069         and MEM_SCALAR.
24070         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
24071         * cfgexpand.c (add_alias_set_conflicts): Likewise.
24072         * expr.c (store_field): Likewise.
24073         * function.c (assign_stack_temp_for_type): Likewise.
24074         * ifcvt.c (noce_try_cmove_arith): Likewise.
24075         * reload1.c (reload): Likewise.
24076         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
24077         (alpha_set_memflags): Likewise.
24078         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
24080 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
24082         * rtl.h (true_dependence, canon_true_dependence): Remove varies
24083         parameter.
24084         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
24085         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
24086         (true_dependence_1, true_dependence, canon_true_dependence): Remove
24087         varies parameter.
24088         * cselib.c (cselib_rtx_varies_p): Delete.
24089         (cselib_invalidate_mem): Update call to canon_true_dependence.
24090         * dse.c (record_store, check_mem_read_rtx): Likewise.
24091         (scan_reads_nospill): Likewise.
24092         * cse.c (check_dependence): Likewise.
24093         (cse_rtx_varies_p): Delete.
24094         * expr.c (safe_from_p): Update call to true_dependence.
24095         * ira.c (validate_equiv_mem_from_store): Likewise.
24096         (memref_referenced_p): Likewise.
24097         * postreload-gcse.c (find_mem_conflicts): Likewise.
24098         * sched-deps.c (sched_analyze_2): Likewise.
24099         * store-motion.c (load_kills_store): Likewise.
24100         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
24101         * gcse.c (mems_conflict_for_gcse_p): Likewise.
24102         (compute_transp): Update call to canon_true_dependence.
24104 2012-01-25  Richard Henderson  <rth@redhat.com>
24106         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
24107         (maybe_emit_atomic_test_and_set): New.
24108         (expand_sync_lock_test_and_set): Use it.
24109         (expand_atomic_test_and_set): Likewise.
24110         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
24111         the implementation; clarify implementation defined details.
24112         * doc/md.texi (atomic_test_and_set): Document.
24114 2012-01-25  Richard Henderson  <rth@redhat.com>
24116         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
24118 2012-01-25  Richard Henderson  <rth@redhat.com>
24120         PR target/51968
24121         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
24122         to effect no-op split.
24124 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
24126         PR lto/51698
24127         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
24128         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
24129         (BT_FN_VOID_PTR_INT_SIZE): New.
24130         (BT_FN_UINT_UINT_VAR): Remove.
24131         (BT_FN_UINT32_UINT32_VAR): New.
24132         (BT_FN_DOUBLE_VPTR): Remove.
24133         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
24135         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
24136         (_ITM_changeTransactionMode): Same.
24137         (_ITM_memmoveRtWt): Change return type to void.
24138         (_ITM_memcpyRtWt): Same.
24139         (_ITM_memsetW): Same.
24140         (_ITM_RaRD): Change types to double.
24141         (_ITM_RD): Same.
24142         (_ITM_RaWD): Same.
24143         (_ITM_RfWD): Same.
24145         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
24147 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
24148             Patrick Marlier  <patrick.marlier@gmail.com>
24150         * trans-mem.c (requires_barrier): Do not instrument thread local
24151         variables and emit save/restore for them.
24153 2012-01-24  Jason Merrill  <jason@redhat.com>
24155         PR c++/51812
24156         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
24157         output static aliases.
24159 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
24161         PR driver/47249
24162         * common.opt (-pie, -shared, pie, shared): Change from Common to
24163         Driver.
24164         * gcc.c (display_help): Display help for -pie and -shared.
24166 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
24168         PR target/49868
24169         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
24170         Remove note on size/offset limitation.
24171         (AVR Variable Attributes): Add example how to read data located
24172         with progmem.  Refer to named address spaces.
24173         * doc/invoke.texi (AVR Options): Fix typo.
24175 2012-01-24  Richard Guenther  <rguenther@suse.de>
24177         Forward-port to trunk
24178         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
24180         PR middle-end/45678
24181         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
24182         op0 isn't sufficiently aligned and there is movmisalignM
24183         insn for mode, use it to load op0 into a temporary register.
24185 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
24187         PR target/51957
24188         * target.def (const_not_ok_for_debug_p): New hook.
24189         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
24190         documentation.
24191         * doc/tm.texi: Regenerated.
24192         * dwarf2out.c (const_ok_for_output_1): If
24193         targetm.const_not_ok_for_debug_p returns true, fail.
24194         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
24195         function.
24196         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
24198 2012-01-23  Kai Tietz  <ktietz@redhat.com>
24200         PR target/51900
24201         * config/i386/predicates.md (symbolic_operand): Allow
24202         UNSPEC_PCREL as PIC expression for lea.
24203         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
24204         * config/i386/i386.c (ix86_delegitimize_address): Handle
24205         UNSPEC_PCREL for none-MEM, too.
24207 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
24209         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
24210         (ipa_tm_create_version_alias): Same.
24212 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
24214         PR libitm/51830
24215         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
24216         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
24218 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
24219             Patrick Marlier  <patrick.marlier@gmail.com>
24220             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
24222         PR lto/51916
24223         * lto-wrapper.c (run_gcc): Pass the LTO section name to
24224         simple_object_start_read.
24226 2012-01-23  Richard Guenther  <rguenther@suse.de>
24229         PR tree-optimization/51895
24230         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
24231         parameter decomposition into BLKmode components.
24233 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
24235         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
24236         fake variables for restrict-qualified pointers whose pointed-to type
24237         contains a placeholder.
24239 2012-01-23  Richard Guenther  <rguenther@suse.de>
24241         PR tree-optimization/51949
24242         * ipa-split.c (execute_split_functions): Do not split malloc functions.
24244 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
24246         PR rtl-optimization/51933
24247         * ree.c (transform_ifelse): Return true right away if dstreg is
24248         already wider or equal to cand->mode.
24249         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
24250         (make_defs_and_copies_lists): Remove defs_list and copies_list
24251         arguments, add state argument, just truncate state->work_list
24252         instead of always allocating and freeing the vector.  Assert that
24253         get_defs succeeds instead of returning 2.  Changed return type to bool.
24254         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
24255         have ext_src_mode, see if it has been modified already with the
24256         right kind of extension and has been extended before from the
24257         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
24258         just return true.  Remember the original mode in state->modified array.
24259         (combine_reaching_defs): Add state argument.  Don't allocate and
24260         free here def_list, copied_list and vec vectors, instead just
24261         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
24262         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
24263         Add state variable, clear vectors in it, initialize state.modified
24264         if needed.  Free all the vectors at the end and state.modified too.
24265         Don't skip a candidate if the extension expression has been modified.
24267 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
24269         PR target/47096
24270         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
24271          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
24272         (extra_options) interix.opt -> i386/interix.opt"
24273         (extra_objs):Add winnt-stubs.o
24274         * configure.ac: Add interix to target_os .comm on PE check.
24275         * configure: Regenerate.
24276         * config/interix3.h: Delete and move bits to..
24277         * config/interix.h: Delete and move bits to..
24278         * config/i386/i386-interix3.h: Delete and move bits to..
24279         * config/i386/i386-interix.h: ..here.
24280         (TARGET_CPU_DEFAULT): Remove redefinition.
24281         (TARGET_ASM_CONSTRUCTOR): Undefine.
24282         (SUBTARGET_SWITCHES): Define for ms-bitfields.
24283         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
24284         (PTRDIFF_TYPE): Define.
24285         (LONG_DOUBLE_TYPE_SIZE): Define.
24286         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
24287         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
24288         (TARGET_SECTION_TYPE_FLAGS): Define.
24289         (ASM_DECLARE_FUNCTION_NAME): Define.
24290         (ASM_OUTPUT_EXTERNAL): Define.
24291         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
24292         (ASM_OUTPUT_ALIGNED_BSS): Define.
24293         (PCC_BITFIELD_TYPE_MATTERS): Define.
24294         (USE_CONST_SECTION): Define.
24295         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
24296         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
24297         (SUPPORTS_ONE_ONLY): Remove.
24298         (I386_PE_STRIP_ENCODING): Define.
24299         * config/interix.opt: Delete and move bits to..
24300         * config/i386/interix.opt: ..here. New.
24301         (mpe-aligned-commons): Add.
24302         * config/i386/t-interix: Add copyright header.
24303         (winnt-stubs.o): Add rule.
24305 2012-01-22  Jason Merrill  <jason@redhat.com>
24307         PR c++/51832
24308         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
24309         for extra name aliases.
24311 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
24313         PR rtl-optimization/51924
24314         * ree.c (combine_set_extension): Improve debugging message.
24315         (combine_reaching_defs): Likewise.
24316         (get_defs): Rename confusingly named variable.
24317         (find_and_remove_re): Skip a candidate if the extension expression has
24318         been modified.
24320 2012-01-21  Robert Millan  <rmh@gnu.org>
24321             Gerald Pfeifer  <gerald@pfeifer.com>
24323         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
24324         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
24326 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
24328         PR tree-optimization/51914
24329         * tree-vect-stmts.c (vectorizable_conversion): For
24330         cvt_type && modifier == WIDEN, put temporary with cvt_type
24331         at the beginning of vec_dsts and set vec_dest to temporary
24332         with vectype_out.
24334 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
24336         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
24338 2012-01-20  Tijl Coosemans  <tijl@coosemans.org>
24340         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
24341         * config/rs6000/rs6000.c: Likewise.
24343 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
24345         PR target/51915
24346         * config/arm/arm.c (arm_count_output_move_double_insns): Call
24347         output_move_double on a copy of operands array.
24349 2012-01-20  Cary Coutant  <ccoutant@google.com>
24350             Dodji Seketeli  <dodji@redhat.com>
24352         PR debug/45682
24353         * dwarf2out.c (copy_declaration_context): Return ref to parent
24354         of declaration DIE, if necessary.
24355         (remove_child_or_replace_with_skeleton): Add new parameter; update
24356         caller.  Place skeleton DIE under parent DIE of original declaration.
24357         Move call to copy_declaration_context to here ...
24358         (break_out_comdat_types): ... from here.
24360 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
24362         PR rtl-optimization/51856
24363         * reload.c (find_reloads_subreg_address): Set the address_reloaded
24364         flag to reloaded.
24366 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
24368         PR target/51819
24369         * config/arm/arm.c (arm_print_operand): Correct output of alignment
24370         hints for neon loads and stores.
24372 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
24374         PR target/49868
24375         PR target/50887
24376         * doc/extend.texi (Named Address Spaces): Split into subsections.
24377         (AVR Named Address Spaces): New subsection.
24378         (M32C Named Address Spaces): New subsection.
24379         (RL78 Named Address Spaces): New subsection.
24380         (SPU Named Address Spaces): New subsection.
24381         (Variable Attributes): New anchor "AVR Variable Attributes".
24382         (AVR Variable Attributes): Rewrite and avoid wording
24383         "address space" in this context.
24384         * doc/invoke.texi (AVR Options): Rewrite and add documentation
24385         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
24386         (AVR Built-in Macros): New subsubsection therein.
24387         * doc/md.texi (AVR constraints): Remove "C04", "R".
24389 2012-01-20  Richard Guenther  <rguenther@suse.de>
24391         PR tree-optimization/51903
24392         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
24393         when removing stmts.
24395 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
24397         PR target/50313
24398         * config/arm/arm.c (arm_load_pic_register): Use
24399         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
24400         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
24401         (arm_pic_static_addr): Likewise.
24402         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
24403         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
24404         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
24405         (pic_load_addr_unified): New.
24407 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
24409         PR target/51106
24410         * function.c (instantiate_virtual_regs_in_insn): Use
24411         delete_insn_and_edges when removing a wrong asm insn.
24413 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
24415         PR rtl-optimization/40761
24416         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
24417         Add new member loop_num.
24418         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
24419         (ira_build): Remove the parameter.
24421         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
24422         (ira.c): Do not build CFG loops for one region allocation.  Remove
24423         argument from ira_build call.
24425         * ira-build.c (init_loop_tree_node): New function.
24426         (create_loop_tree_nodes): Use it.  Separate the case when CFG
24427         loops are not built.
24428         (more_one_region_p): Check current_loops.
24429         (finish_loop_tree_nodes): Separate the case when CFG loops are not
24430         built.
24431         (add_loop_to_tree): Process loop equal to NULL too.
24432         (form_loop_tree): Separate the case when CFG loops are not built.
24433         Use explicitly number for the root.
24434         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
24435         an assertion.
24436         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
24437         instead of loop->num.
24438         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
24439         (mark_all_loops_for_removal): Ditto.
24440         (remove_unnecessary_regions): Separate the case when CFG loops
24441         are not built.
24442         (ira_build): Remove the parameter.  Use explicit number of regions
24443         when CFG loops are not built.
24445         * ira-color.c (print_loop_title): Separate the case for the root node.
24446         Use loop_num instead of loop->num.
24447         (move_spill_restore): Use loop_num instead of loop->num.
24449         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
24450         (change_loop): Ditto.
24451         (change_loop): Use loop_num instead of loop->num.
24453         * ira-lives.c (process_bb_node_lives): Ditto.
24455         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
24457         * ira-conflicts.c (print_allocno_conflicts): Ditto.
24459 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
24461         PR libmudflap/40778
24462         * tree-mudflap.c (mf_artificial): New function.
24463         (execute_mudflap_function_ops, execute_mudflap_function_decls,
24464         mx_register_decls, mudflap_enqueue_decl): Use it.
24466         PR target/51876
24467         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
24468         numbers in the insn pattern.
24470 2012-01-19  Michael Matz  <matz@suse.de>
24472         PR tree-optimization/46590
24473         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
24474         use it in remembering which conflicts we already created.
24475         (add_scope_conflicts): Adjust call to above, (de)allocate helper
24476         bitmap.
24478 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
24480         PR lto/51280
24481         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
24482         (merge_and_complain): Same.
24484 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
24486         PR bootstrap/50237
24487         * config/initfini-array.h: Guard content of the header
24488         with #ifdef HAVE_INITFINI_ARRAY.
24489         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
24490         Add initfini-array.h to tm_file here.
24491         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
24492         * config.gcc: Don't add initfini-array.h to tm_file here.
24493         * configure: Regenerated.
24495 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
24497         PR rtl-optimization/51505
24498         * df-problems.c (df_kill_notes): New parameter live. Update comment.
24499         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
24500         (df_note_bb_compute): Update the call to df_kill_notes.
24502 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
24504         * trans-mem.c (requires_barrier): Remove call to is_global_var.
24506 2012-01-18  Richard Guenther  <rguenther@suse.de>
24508         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
24509         of conversions to void *.
24511 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
24512             Richard Sandiford  <rdsandiford@googlemail.com>
24514         PR middle-end/50325
24515         PR middle-end/51192
24516         * optabs.h (simplify_expand_binop): Declare.
24517         * optabs.c (simplify_expand_binop): Make global.
24518         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
24519         endian targets if the source cannot be exactly covered by word
24520         mode chunks.
24522 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
24524         PR bootstrap/51872
24525         * hard-reg-set.h (struct hard_reg_set_container): New type.
24526         * target.h (struct hard_reg_set_container): Forward declare.
24527         * target.def (set_up_by_prologue): New target hook.
24528         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
24529         * doc/tm.texi: Regenerated.
24530         * function.c (thread_prologue_and_epilogue_insns): Change
24531         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
24532         Call targetm.set_up_by_prologue on it.
24533         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
24534         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
24536 2012-01-17  Nick Clifton  <nickc@redhat.com>
24538         * config/rx/rx.c (rx_can_use_simple_return): New function.
24539         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
24540         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
24542 2012-01-17  Richard Guenther  <rguenther@suse.de>
24544         PR middle-end/51782
24545         * expr.c (expand_assignment): Take address-space information
24546         from the address operand of MEM_REF and TARGET_MEM_REF.
24547         (expand_expr_real_1): Likewise.
24549 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
24551         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
24552         reload dump is requested.
24554 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
24556         PR other/51165
24557         * trans-mem.c (requires_barrier): Call may_be_aliased.
24559 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
24561         PR tree-optimization/51877
24562         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
24563         call arguments and fndecls compare equal, instead return false if they
24564         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
24565         both SSA_NAMEs that are valueized the same, or they satisfy
24566         operand_equal_p.
24568 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24570         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
24571         Solaris 11+.
24572         * configure: Regenerate.
24574 2012-01-16  Jan Hubicka  <jh@suse.cz>
24576         PR c/12245
24577         PR c++/14179
24578         * convert.c (convert_to_integer): Use fold_convert for
24579         converting an INTEGER_CST to integer type.
24581 2012-01-16  Jason Merrill  <jason@redhat.com>
24583         PR c++/14179
24584         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
24586 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
24588         PR bootstrap/51860
24589         * config/s390/s390.c (s390_chunkify_start): Don't skip
24590         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
24591         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
24592         If insn is followed by NOTE_INSN_VAR_LOCATION or
24593         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
24594         Don't use location of note insns.
24596         PR tree-optimization/51865
24597         * tree-inline.c (tree_function_versioning): Call remap_decl
24598         on DECL_RESULT whenever it has VOID_TYPE_P type.
24600 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
24602         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
24603         for calls to locally-binding MIPS16 functions if only the return
24604         type uses float regs.
24606 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
24607             Richard Sandiford  <rdsandiford@googlemail.com>
24609         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
24610         (SYMBOL_32_HIGH): Likewise.
24611         (mips_output_tls_reloc_directive): Declare.
24612         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
24613         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
24614         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
24615         (mips_lo_relocs, mips_hi_relocs): Make extern.
24616         (mips16_stub_function): Move up file.
24617         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
24618         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
24619         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
24620         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
24621         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
24622         (mips_get_tp): Add MIPS16 support.
24623         (mips_legitimize_tls_address): Remove MIPS16 sorry().
24624         Generalize DTPREL and TPREL handling.
24625         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
24626         Add MIPS16 TLS support.
24627         (mips_output_tls_reloc_directive): New function.
24628         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
24629         * config/mips/predicates.md (symbolic_operand_with_high)
24630         (tls_reloc_operand): New predicates.
24631         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
24632         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
24633         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
24634         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
24635         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
24636         (*tls_get_tp_mips16_call_<mode>): Likewise.
24638 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
24640         PR rtl-optimization/51821
24641         * recog.c (peep2_find_free_register): Determine clobbered registers
24642         from insn pattern.
24644 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
24646         PR target/50925
24647         * config/avr/avr-protos.h: Revert change of 2012-01-09.
24648         * config/avr/avr.c: Likewise.
24649         * config/avr/avr.h: Likewise.
24651 2012-01-13  Ian Lance Taylor  <iant@google.com>
24653         PR c++/50012
24654         * tree.h (TYPE_QUALS): Add cast to int.
24655         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
24657 2012-01-13  Ian Lance Taylor  <iant@google.com>
24659         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
24660         comparing param_index to VEC_length result.
24662 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
24664         * c-decl.c: Do not include tree-mudflap.h
24665         * tree-optimize.c: Likewise.
24666         * Makefile.in: Update dependencies.
24668 2012-01-13  Richard Guenther  <rguenther@suse.de>
24670         PR middle-end/8081
24671         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
24672         variable-sized result always use RSO.
24674 2012-01-12  DJ Delorie  <dj@redhat.com>
24676         * cfgexpand.c (convert_debug_memory_address): Allow any valid
24677         pointer type, not just the default pointer type.
24679 2012-01-09  Richard Henderson  <rth@redhat.com>
24680             Denis Chertykov  <chertykov@gmail.com>
24682         PR target/50925
24683         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
24684         * config/avr/avr.c (avr_can_eliminate): Simplify.
24685         (avr_initial_elimination_offset): Likewise.
24686         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
24687         (expand_epilogue): Likewise.
24688         (avr_legitimize_address): Gut.
24689         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
24690         (avr_hard_regno_nregs): New.
24691         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
24692         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
24693         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
24694         add soft frame pointer.
24695         (CALL_USED_REGISTERS): Likewise.
24696         (REG_CLASS_CONTENTS): Likewise.
24697         (REGISTER_NAMES): Likewise.
24698         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
24699         (HARD_FRAME_POINTER_REGNUM): New.
24700         (FRAME_POINTER_REGNUM): Use soft frame pointer.
24701         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
24702         remove the HARD_FRAME_POINTER self-elimination.
24704 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
24706         PR target/51756
24707         * config/avr/avr.c (avr_encode_section_info): Test for absence of
24708         DECL_EXTERNAL when checking for initializers of progmem variables.
24710 2012-01-12  Ira Rosen  <irar@il.ibm.com>
24712         PR tree-optimization/51799
24713         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
24714         that the last operation is a type demotion.
24716 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
24718         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
24719         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
24721 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
24723         PR bootstrap/51796
24724         * combine.c (distribute_notes): If i3 is a noreturn call,
24725         allow old_size to be equal to args_size and make sure the
24726         noreturn call gets REG_ARGS_SIZE note.
24727         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
24728         on noreturn calls even when the delta is 0.
24730 2012-01-11  Nathan Sidwell  <nathan@acm.org>
24732         * gcov.c (STRING_SIZE): Remove.
24733         (generate_results): Erase annotations for source files with no
24734         coverage information.
24735         (read_line): New.
24736         (output_lines): Use it.
24738 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
24740         * gimple.h (gimplify_body): Remove first argument.
24741         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
24742         pointer set here, instead just pass DATA to walk_tree.
24743         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
24744         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
24745         (unvisit_body): Likewise, but with unmark_visited.
24746         (gimplify_body): Remove BODY_P argument and adjust.
24747         (gimplify_function_tree): Adjust call to gimplify_body.
24748         * omp-low.c (finalize_task_copyfn): Likewise.
24750 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
24752         * tree.h (build_function_decl_skip_args): Add boolean parameter.
24753         (build_function_type_skip_args): Delete.
24754         * tree.c (build_function_type_skip_args): Make static and add
24755         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
24756         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
24757         pass it to build_function_type_skip_args.
24758         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
24759         (tree_function_versioning): Likewise.
24760         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
24761         build_function_decl_skip_args.
24762         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
24763         and pass it to build_function_decl_skip_args/tree_function_versioning.
24764         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
24765         * ipa-inline-transform.c (save_inline_function_body): Likewise.
24766         * trans-mem.c (ipa_tm_create_version): Likewise.
24767         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
24768         * tree-inline.c (declare_return_variable): Remove always-true test.
24769         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
24770         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
24771         * ipa-split.c (split_function): Skip the return value for the split
24772         part if it doesn't return.
24774 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24776         PR tree-optimization/49642
24777         * ipa-split.c (forbidden_dominators): New variable.
24778         (check_forbidden_calls): New function.
24779         (dominated_by_forbidden): Likewise.
24780         (consider_split): Check for forbidden dominators.
24781         (execute_split_functions): Initialize and free forbidden
24782         dominators info; call check_forbidden_calls.
24784 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
24786         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
24788 2012-01-11  Nick Clifton  <nickc@redhat.com>
24790         * config/rx/rx.md (return): Define pattern.
24792 2012-01-11  Richard Guenther  <rguenther@suse.de>
24794         * doc/extend.texi (malloc attribute): Adjust according to
24795         implementation.
24797 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
24798             Patrick Marlier  <patrick.marlier@gmail.com>
24800         PR middle-end/51516
24801         * trans-mem.c (get_cg_data): Traverse aliases if requested.
24802         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
24803         (ipa_tm_note_irrevocable): Same.
24804         (ipa_tm_scan_irr_block): Same.
24805         (ipa_tm_decrement_clone_counts): Same.
24806         (ipa_tm_scan_irr_function): Same.
24807         (ipa_tm_create_version_alias): Same.
24808         (ipa_tm_create_version): Same.
24809         (ipa_tm_transform_calls_redirect): Same.
24810         (ipa_tm_transform_calls): Same.
24811         (ipa_tm_transform_transaction): Same.
24812         (ipa_tm_execute): Same.
24814 2012-01-10  Richard Guenther  <rguenther@suse.de>
24816         PR middle-end/51806
24817         * opts.c (common_handle_option): Handle -Werror.
24819 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
24821         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
24822         operand number.
24824 2012-01-10  Jason Merrill  <jason@redhat.com>
24826         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
24827         information.
24829 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24831         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
24832         supports R_386_TLS_GD_PLT reloc.
24833         (gcc_cv_as_ix86_tlsldmplt): Check if linker
24834         supports R_386_TLS_LDM_PLT reloc.
24835         * configure: Regenerate.
24836         * config.in: Regenerate.
24838 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
24840         PR target/49868
24841         Extend __pgmx semantics to linearize memory.
24842         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
24843         determine if code comes inline or from libgcc.
24844         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
24845         (movmem_qi, movmem_qi): Set constraint #2 to "n".
24846         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
24847         (movmemx_qi, movmemx_hi): New insns.
24848         (xload_<mode>_libgcc): Rewrite to new insn condition.
24849         (xload_<mode>): Remove insns.
24850         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
24851         cases that don't satisfy avr_xload_libgcc_p().
24852         (avr_addr_space_convert): Allow converting in any direction.
24853         (avr_addr_space_subset_p): Return always true.
24854         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
24855         (avr_emit_movmemhi): Ditto.
24856         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
24857         (avr_out_movmem): Ditto.
24858         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
24859         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
24860         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
24861         (avr_encode_section_info): Encode 'progmem' in symbol flags.
24862         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
24864 2012-01-10  Richard Guenther  <rguenther@suse.de>
24866         PR tree-optimization/50913
24867         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
24868         Require data-refs to be representable by Graphite with respect
24869         to any loop nest.
24871 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
24873         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
24874         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
24876 2012-01-10  Tom de Vries  <tom@codesourcery.com>
24878         PR rtl-optimization/51271
24879         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
24880         handling annulled branch.
24882 2012-01-10  Richard Henderson  <rth@redhat.com>
24884         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
24885         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
24886         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
24887         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
24888         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
24889         arm_expand_vec_perm_const): New.
24890         * config/arm/arm-protos.h: Update.
24891         * config/arm/neon.md (UNSPEC_VCONCAT): New.
24892         (*neon_vswp<VDQX>): New.
24893         (neon_vcombine<VDX>): Use neon_split_vcombine.
24894         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
24895         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
24896         (vec_perm<VE>): New.
24898 2012-01-10  Richard Henderson  <rth@redhat.com>
24900         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
24901         use it if reload_completed.
24902         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
24903         arm_output_asm_insn, arm_process_output_memory_barrier,
24904         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
24905         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
24906         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
24907         arm_process_output_sync_insn, arm_output_sync_insn,
24908         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
24909         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
24910         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
24911         (emit_unlikely_jump): New.
24912         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
24913         (arm_split_atomic_op): New.
24914         * config/arm/arm-protos.h: Update.
24915         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
24916         (struct arm_sync_generator): Remove.
24917         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
24918         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
24919         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
24920         (VUNSPEC_LL, VUNSPEC_SC): New.
24921         (sync_result, sync_memory, sync_required_value, sync_new_value,
24922         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
24923         (attr length): Don't use arm_sync_loop_insns.
24924         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
24925         (movsfcc, movdfcc): Likewise.
24926         * config/arm/constraints.md (Ua): New.
24927         * config/arm/prediates.md (mem_noofs_operand): New.
24928         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
24929         (sync_clobber, sync_t2_reqd): Remove.
24930         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
24931         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
24932         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
24933         (arm_sync_compare_and_swap<SIDI>): Remove.
24934         (arm_sync_compare_and_swap<NARROW>): Remove.
24935         (arm_sync_lock_test_and_set<SIDI>): Remove.
24936         (arm_sync_lock_test_and_set<NARROW>): Remove.
24937         (arm_sync_new_<syncop><SIDI>): Remove.
24938         (arm_sync_new_<syncop><NARROW>): Remove.
24939         (arm_sync_new_nand<SIDI>): Remove.
24940         (arm_sync_new_nand<NARROW>): Remove.
24941         (arm_sync_old_<syncop><SIDI>): Remove.
24942         (arm_sync_old_<syncop><NARROW>): Remove.
24943         (arm_sync_old_nand<SIDI>): Remove.
24944         (arm_sync_old_nand<NARROW>): Remove.
24945         (*memory_barrier): Merge arm_output_memory_barrier.
24946         (atomic_compare_and_swap<QHSD>): New.
24947         (atomic_compare_and_swap<NARROW>_1): New.
24948         (atomic_compare_and_swap<SIDI>_1): New.
24949         (atomic_exchange<QHSD>): New.
24950         (cas_cmp_operand, cas_cmp_str): New.
24951         (atomic_op_operand, atomic_op_str): New.
24952         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
24953         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
24954         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
24955         (arm_load_exclusive<NARROW>): New.
24956         (arm_load_exclusivesi, arm_load_exclusivedi): New.
24957         (arm_store_exclusive<QHSD>): New.
24959 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
24961         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
24962         reload patterns if -mvsx-scalar-memory.
24964         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
24965         generated, even -mno-vsx-scalar-double was used.
24966         (vsx_xscvdpsp_scalar): Likewise.
24967         (vsx_xscvspdp_scalar2): Likewise.
24969 2012-01-09  Tom de Vries  <tom@codesourcery.com>
24970             Andrew Pinski  <apinski@cavium.com>
24972         PR debug/51471
24973         * reorg.c (fill_slots_from_thread): Don't speculate
24974         frame-related insns.
24976 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
24978         * sched-int.h (bb_note): Move to...
24979         * basic-block.h: ...here.
24980         * haifa-sched.c (bb_note): Move to...
24981         * cfgrtl.c: ...here.
24982         * function.c (next_block_for_reg): New function.
24983         (move_insn_for_shrink_wrap): Likewise.
24984         (prepare_shrink_wrap): Rewrite to use the above.
24986 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
24988         * gimple.c (is_gimple_non_addressable): Remove.
24989         * gimple.h: Remove is_gimple_non_addressable.
24990         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
24991         is_gimple_non_addressable.
24992         * trans-mem.c (expand_assign_tm): Same.
24994 2012-01-09  Richard Guenther  <rguenther@suse.de>
24996         PR tree-optimization/51775
24997         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
24998         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
25000 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
25002         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
25003         tuning parameters.
25004         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
25006 2012-01-09  Richard Guenther  <rguenther@suse.de>
25008         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
25010 2012-01-08  Jan Hubicka  <jh@suse.cz>
25012         PR tree-optimize/51680
25013         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
25014         on when known_vals needs to be computed; cleanup.
25016 2012-01-08  Jan Hubicka  <jh@suse.cz>
25018         PR tree-optimize/51694
25019         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
25021 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
25023         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
25024         for -std=c++98 and -std=c++11 too.
25026 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
25028         * cfgloop.c (cancel_loop): Add free() of bbs array.
25030 2012-01-07  Jan Hubicka  <jh@suse.cz>
25032         PR tree-optimization/51600
25033         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
25034         that benefits small functions.
25036 2012-01-07  Jan Hubicka  <jh@suse.cz>
25038         * ipa-inline.c (want_inline_small_function_p): Fix formating.
25040 2012-01-07  Jan Hubicka  <jh@suse.cz>
25042         PR tree-optimization/51680
25043         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
25044         whose inlining reduce unit size.
25046 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
25048         PR bootstrap/51725
25049         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
25050         Add canonical node to containing_mem chain after the non-canonical
25051         one, even if there weren't any locs to propagate.
25052         (remove_useless_values): Keep only canonical values.
25053         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
25054         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
25055         canonicalize mem_chain elements that are not discarded.
25057 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
25059         PR target/47333
25060         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
25061         before emitting functions.
25063         PR gcov-profile/50127
25064         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
25065         clear_aux_for_blocks.
25067 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
25069         PR debug/51746
25070         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
25072 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
25074         * c-decl.c (ext_block): Moved up.
25075         (collect_all_refs, for_each_global_decl): Take ext_block into account.
25077 2012-01-06  Han Shen  <shenhan@google.com>
25079         Translate built-in include paths for sysroot.
25080         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
25081         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
25083         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
25084         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
25086         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
25087         control whether sysroot should be prepended to gxx include dir.
25089         * configure: Regenerate.
25091 2012-01-06  Torvald Riegel  <triegel@redhat.com>
25093         PR rtl-optimization/51771
25094         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
25095         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
25097 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
25099         PR tree-optimization/51315
25100         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
25101         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
25103 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
25105         PR target/51681
25106         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
25107         for shrp pattern.  Correctly handle and fixup shift variable.
25108         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
25110 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
25112         PR debug/51762
25113         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
25114         note when !ACCUMULATE_OUTGOING_ARGS.
25116 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
25118         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
25119         condition.
25120         (extract_range_from_unary_expr_1): Avoid useless computations.
25122 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
25124         PR rtl-optimization/51767
25125         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
25126         of jump_block and add an extra edge for degenerated asm gotos.
25128         PR middle-end/51768
25129         * stmt.c (check_unique_operand_names): Don't ICE during error
25130         reporting if i is from labels chain.
25132         PR middle-end/44777
25133         * profile.c (branch_prob): Split bbs that have exit edge
25134         and need a fake entry edge too.
25136 2012-01-05  Jan Hubicka  <jh@suse.cz>
25138         PR middle-end/49710
25139         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
25140         unlooping loops.
25142 2012-01-05  Richard Guenther  <rguenther@suse.de>
25144         PR lto/50490
25145         * tree-streamer-out.c (write_ts_optimization): New function.
25146         (streamer_write_tree_body): Call it.
25147         * tree-streamer-in.c (lto_input_ts_optimization): New function.
25148         (streamer_read_tree_body): Call it.
25149         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
25151 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
25153         PR middle-end/51761
25154         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
25155         * gimplify.c (gimplify_cleanup_point_expr): Save and set
25156         in_cleanup_point_expr before gimplify_stmt call and restore it
25157         afterwards.
25158         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
25159         in_cleanup_point_expr is false.
25161 2012-01-05  Richard Guenther  <rguenther@suse.de>
25163         PR middle-end/51764
25164         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
25165         to c.opt.
25166         * toplev.c (process_options): Reject combining mudflap and LTO.
25167         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
25169 2012-01-05  Richard Guenther  <rguenther@suse.de>
25171         PR tree-optimization/51760
25172         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
25173         not VARYING.
25174         (bit_value_unop): Handle UNDEFINED operands.
25175         (bit_value_binop): Likewise.
25177 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
25179         * config/avr/avr.c (avr_replace_prefix): Remove.
25180         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
25181         (avr_asm_function_rodata_section): Ditto.
25182         (avr_asm_select_section): Ditto.
25184 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
25186         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
25187         insertion.
25189 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
25191         PR bootstrap/51648
25192         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
25193         calls that have any non-fake successor edges.
25195         PR debug/51746
25196         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
25198 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
25200         PR tree-optimization/51624
25201         * tree-sra.c (build_ref_for_model): When replicating a chain of
25202         COMPONENT_REFs, stop as soon as the offset would become negative.
25204 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
25206         PR debug/51695
25207         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
25208         in .debug_loc on the floor.
25210 2012-01-04  Andrew Pinski  <apinski@cavium.com>
25212         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
25214 2012-01-04  Andrew Pinski  <apinski@cavium.com>
25215             Adam Nemet  <anemet@caviumnetworks.com>
25217         * config/mips/mips.md (size): Add SI and DI.
25218         (SIZE): New mode attribute.
25219         (U): New code attribute.
25220         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
25221         (mips_lbux_<mode>): Delete.
25222         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
25223         (mips_lhx): Use gen_mips_lhx_extsi.
25224         (mips_lhx_<mode>): Delete.
25225         (mips_lwx): Delete.
25226         (mips_l<size>x): New expand.
25227         (mips_lwx_<mode>): Delete.
25228         (mips_l<GPR:size>x_<P:mode>): New pattern.
25229         (*mips_lw<u>x_<P:mode>_ext): Likewise.
25230         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
25231         * config/mips/mips.c (mips_lx_address_p): New function.
25232         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
25233         (dsp64): New availability predicate.
25234         (mips_builtins): Add an entry for __builtin_mips_ldx.
25235         * config/mips/mips.h (ISA_HAS_LBX): New define.
25236         (ISA_HAS_LBUX): Likewise.
25237         (ISA_HAS_LHX): Likewise.
25238         (ISA_HAS_LHUX): Likewise.
25239         (ISA_HAS_LWX): Likewise.
25240         (ISA_HAS_LWUX): Likewise.
25241         (ISA_HAS_LDX): Likewise.
25242         * doc/extend.texi (__builtin_mips_ldx): Document.
25244 2012-01-04  Tristan Gingold  <gingold@adacore.com>
25246         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
25247         when long pointers are used.
25248         * config.build (*-*-*vms*): Handle all OpenVMS targets.
25249         (alpha64-dec-*vms*, alpha*-dec-*vms*)
25250         (ia64-hp-*vms*): Remove.
25251         * config/vms/xm-vms64.h: Delete.
25253 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
25255         PR middle-end/51472
25256         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
25258 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
25260         * opts.c (finish_options): Remove duplicate sorry.
25262 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
25264         PR middle-end/51696
25265         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
25266         correctly.
25268 2012-01-04  Richard Guenther  <rguenther@suse.de>
25270         PR middle-end/51750
25271         * tree.c (size_low_cst): New function.
25272         * tree.h (size_low_cst): Declare.
25273         * fold-const.c (fold_comparison): Use it to extract the low
25274         part of the POINTER_PLUS_EXPR offset.
25276 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
25278         Fix clearing ZERO_REG
25279         * config/avr/avr.md (cc): Add alternative "ldi".
25280         (movqi_insn): Use it in cc attribute.
25281         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
25282         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
25283         (output_reload_insisf): Use ZERO_REG to pre-clear register.
25285 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
25287         * configure: Regenerate.
25289 2012-01-04  Richard Guenther  <rguenther@suse.de>
25291         PR tree-optimization/49651
25292         * tree-ssa-structalias.c (type_can_have_subvars): New function.
25293         (var_can_have_subvars): Use it.
25294         (get_constraint_for_1): Only consider subfields if there can be any.
25296 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
25298         PR bootstrap/51725
25299         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
25300         to its new canonical_cselib_val and the cselib_val was in
25301         first_containing_mem chain, but the canonical_cselib_val was not,
25302         add the latter into the chain.
25303         (cselib_invalidate_mem): Compare canonical_cselib_val of
25304         addr_list chain elt with v.
25306         PR pch/51722
25307         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
25308         dwarf2out_undef): Allocate e.info using ggc_strdup instead
25309         of xstrdup.
25310         (output_macinfo_op): Don't ggc_strdup fd->filename.
25311         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
25312         then ggc_strdup it.  Don't free inc->info or cur->info.
25313         (output_macinfo): Don't free ref->info or file->info.
25315 2012-01-03  Ira Rosen  <irar@il.ibm.com>
25317         PR tree-optimization/51269
25318         * tree-vect-loop-manip.c (set_prologue_iterations): Make
25319         first_niters a pointer.
25320         (slpeel_tree_peel_loop_to_edge): Likewise.
25321         (vect_do_peeling_for_loop_bound): Update call to
25322         slpeel_tree_peel_loop_to_edge.
25323         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
25324         here.  Remove it from the parameters list.
25325         (vect_do_peeling_for_alignment): Update calls and compute
25326         wide_prolog_niters.
25328 2012-01-03  Richard Guenther  <rguenther@suse.de>
25330         PR tree-optimization/51070
25331         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
25332         Properly handle calls.
25334 2012-01-03  Richard Guenther  <rguenther@suse.de>
25336         PR tree-optimization/51692
25337         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
25338         the LHS of allocation stmts.
25340 2012-01-03  Olivier Hainque  <hainque@adacore.com>
25342         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
25344 2012-01-03  Olivier Hainque  <hainque@adacore.com>
25346         * collect2.c (main): In AIX specific computations for vector
25347         insertions, use CONST_CAST2 to cast from char ** to const char **.
25349 2012-01-03  Richard Guenther  <rguenther@suse.de>
25351         PR debug/51650
25352         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
25353         the context of a limbo DIE when it does not already exist.
25355 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
25357         PR tree-optimization/51719
25358         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
25359         but direct call is, clear direct call's lhs and don't add fallthrough
25360         edge from dcall_bb to join_bb and PHIs.
25362 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
25364         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
25365         the instructions emitted by the pattern.
25366         ("*TDC_insn_<mode>"): Add comment.
25368 2012-01-03  Richard Guenther  <rguenther@suse.de>
25370         PR middle-end/51730
25371         * fold-const.c (fold_comparison): Properly canonicalize
25372         tree offset and HOST_WIDE_INT bit position.
25374 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
25376         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
25377         operands for extzv pattern.
25379 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
25381         PR bootstrap/51725
25382         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
25383         on mem_elt first.
25385 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
25387         * doc/invoke.texi (-flto and related options): Copy-edit.
25389 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
25391         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
25393 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
25395         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
25396         New patterns.
25398 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
25400         * expr.h (move_by_pieces_ninsns): Declare.
25401         * expr.c (move_by_pieces_ninsns): Make external.
25402         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
25403         (mips_store_by_pieces_p): Likewise.
25404         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
25405         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
25406         * config/mips/mips.c (mips_move_by_pieces_p): New function.
25407         (mips_store_by_pieces_p): Likewise.
25409 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
25411         * passes.c (register_one_dump_file): Free full_name.
25413         * reload1.c (reload): Don't allocate reg_max_ref_width here.
25414         (calculate_elim_costs_all_insns): Free offsets_at and
25415         offsets_known_at at the end and clear the pointers.
25417 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
25419         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
25420         this option introduced in r180739.
25422 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
25424         PR target/51345
25425         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
25426         (tmake_file target=avr): Add avr/t-multilib.
25428         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
25429         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
25430         * config/avr/genmultilib.awk: New file.
25431         * config/avr/t-multilib: New auto-generated file.
25432         * config/avr/multilib.h: New auto-generated file.
25433         * config/avr/t-avr (AVR_MCUS): New variable.
25434         (genopt.sh): Use it.
25435         (s-mlib): Depend on t-multilib.
25436         (t-multilib, multilib.h): New dependencies.
25437         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
25438         (MULTILIB_OPTIONS): Remove.
25439         (MULTILIB_MATCHES): Remove.
25440         (MULTILIB_DIRNAMES): Remove.
25441         (MULTILIB_EXCEPTIONS): Remove:
25442         * config/avr/genopt.sh: Don't use hard coded file name;
25443         pass AVR_MCUS from t-avr instead.
25445 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
25447         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
25449 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
25451         Implement light-weight DImode support.
25452         * config/avr/avr-dimode.md: New file.
25453         * config/avr/avr.md: Include it.
25454         (adjust_len): Add plus64, compare64.
25455         (HIDI): Remove code iterator.
25456         (code_stdname): New code attribute.
25457         (rotx, rotsmode): Remove DI.
25458         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
25459         as code iterator.
25460         * config/avr/avr-protos.h (avr_have_dimode): New.
25461         (avr_out_plus64, avr_out_compare64): New.
25462         * config/avr/avr.c (avr_out_compare): Handle DImode.
25463         (avr_have_dimode): New variable definition and initialization.
25464         (avr_out_compare64, avr_out_plus64): New functions.
25465         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
25466         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
25467         (avr_compare_pattern): Skip DImode comparisons.
25469 2012-01-02  Revital Eres  <revital.eres@linaro.org>
25471         * ddg.c (def_has_ccmode_p): New function.
25472         (add_cross_iteration_register_deps,
25473         create_ddg_dep_from_intra_loop_link): Call it.
25475 2012-01-02  Richard Guenther  <rguenther@suse.de>
25477         PR other/51679
25478         * invoke.texi (fassociative-math): Remove spurious paranthesis.
25480 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
25482         * gcc.c (process_command): Update copyright notice dates.
25483         * gcov.c (print_version): Likewise.
25484         * gcov-dump.c (print_version): Likewise.
25485         * mips-tfile.c (main): Likewise.
25486         * mips-tdump.c (main): Likewise.
25488 2012-01-01  Ira Rosen  <irar@il.ibm.com>
25490         PR tree-optimization/51704
25491         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
25492         a use is inside the basic block or loop before accessing its vect info.
25494 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
25496         PR rtl-optimization/51069
25497         * cfgloopmanip.c (remove_path): Removing path making irreducible
25498         region unconditional makes BB part of the region.
25500 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
25502         PR tree-optimization/51683
25503         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
25504         calls with side-effects.
25505         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
25507 Copyright (C) 2012 Free Software Foundation, Inc.
25509 Copying and distribution of this file, with or without modification,
25510 are permitted in any medium without royalty provided the copyright
25511 notice and this notice are preserved.