* cgraph.c (symbol_table::create_edge): Set inline_failed.
[official-gcc.git] / gcc / ChangeLog
blob12a292c17deb91933491dde1efa18d3f637c7093
1 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
3         * cgraph.c (symbol_table::create_edge): Set inline_failed.
4         (cgraph_edge::make_direct): Likewise.
5         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
6         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
7         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
8         (CIF_THUNK): New code.
9         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
10         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
11         (compute_inline_parameters): Set inline_failed for thunks.
12         (inline_analyze_function): Cleanup.
13         * ipa-inline.c (can_inline_edge_p): Do not deal with
14         call_stmt_cannot_inline_p.
15         (can_early_inline_edge_p): Likewise.
16         (early_inliner): Initialize inline_failed.
17         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
19 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
21         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
22         from nonimm_ssenomem_operand.
23         (nonimm_ssenomem_operand): New predicate.
24         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
25         as operand 0 predicate.
26         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
27         Disable unsupported alternatives using "enabled" attribute.
28         Use register_ssemem_operand as operand 0 predicate.
29         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
31 2016-05-03  Marek Polacek  <polacek@redhat.com>
33         PR c/70859
34         * input.c (expansion_point_location): New function.
35         * input.h (expansion_point_location): Declare.
37 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
39         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
40         occurence with frame_offset_ ones.
42 2016-05-03  Alan Modra  <amodra@gmail.com>
44         PR rtl-optimization/70890
45         * ira.c (combine_and_move_insns): When moving def_insn, remove
46         equivs on use_insn.
48 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
50         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
51         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
52         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
53         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
55 2016-05-03  Alan Modra  <amodra@gmail.com>
57         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
58         for SAVE_MULTIPLE/STORE_MULTIPLE.
60 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
62         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
63         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead
64         of x.
66 2016-05-03  Richard Biener  <rguenther@suse.de>
68         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
69         default true.
70         (gimplify_arg): Likewise.
71         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
72         re-writing the result to a decl if required.
73         (internal_get_tmp_var): Add allow_ssa parameter
74         and override into_ssa with it.
75         (get_formal_tmp_var): Adjust.
76         (get_initialized_tmp_var): Add allow_ssa parameter.
77         (gimplify_arg): Add allow_ssa parameter and avoid generating
78         SSA names for the result false.
79         (gimplify_call_expr): If the call may return twice do not
80         gimplify parameters into SSA.
81         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
82         (gimplify_modify_expr): Adjust assert.  For noreturn calls
83         with a SSA name LHS adjust its def.
84         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
85         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
86         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
87         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
88         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
89         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
90         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
91         (optimize_target_teams): Do not allow SSA names for clause operands.
92         (gimplify_expr): Likewise for where we mark the result addressable.
93         * passes.def (pass_init_datastructures): Remove.
94         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
95         (rewrite_stmt): Likewise.
96         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
97         (replace_locals_op): Replace SSA names.
98         (copy_gimple_seq_and_replace_locals): Init src_cfun.
99         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
100         * cgraph.c (release_function_body): Free CFG annotations only
101         when we have a CFG.  Simplify.
102         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
103         force_gimple_operand instead of get_initialized_tmp_var.
104         * tree-pass.h (make_pass_init_datastructures): Remove.
105         * tree-ssa.c (execute_init_datastructures): Remove.
106         (pass_data_init_datastructures): Likewise.
107         (class pass_init_datastructures): Likewise.
108         (make_pass_init_datastructures): Likewise.
109         * omp-low.c (create_omp_child_function): Init SSA data structures.
110         (grid_expand_target_grid_body): Likewise.
111         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
112         name before adding it to names_to_release.
113         (remove_bb): Always release SSA defs.
114         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
115         before dereferencing it.
116         * cgraphunit.c (init_lowered_empty_function): Always
117         int SSA data structures.
118         * tree-ssanames.c (release_defs): Remove assert that we are in
119         SSA form.
120         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
122 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
123             Uros Bizjak  <ubizjak@gmail.com>
125         PR rtl-optimization/70467
126         * config/i386/predicates.md (x86_64_hilo_int_operand,
127         x86_64_hilo_general_operand): New predicates.
128         * config/i386/constraints.md (Wd): New constraint.
129         * config/i386/i386.md (mode attr di): Use Wd instead of e.
130         (general_hilo_operand): New mode attr.
131         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
132         instead of <general_operand>.
133         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
134         x86_64_hilo_general_operand instead of <general_operand>.
136 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
138         PR tree-optimization/70916
139         * tree-if-conv.c (constant_or_ssa_name): Removed.
140         (fold_build_cond_expr): Use is_gimple_val instead of
141         constant_or_ssa_name.
143         PR tree-optimization/70916
144         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
145         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
147         PR target/49244
148         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
149         (optimize_atomic_bit_test_and): New function.
150         (pass_fold_builtins::execute): Use it.
151         * optabs.def (atomic_bit_test_and_set_optab,
152         atomic_bit_test_and_complement_optab,
153         atomic_bit_test_and_reset_optab): New optabs.
154         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
155         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
156         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
157         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
158         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
159         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
160         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
161         * doc/md.texi (atomic_bit_test_and_set@var{mode},
162         atomic_bit_test_and_complement@var{mode},
163         atomic_bit_test_and_reset@var{mode}): Document.
164         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
165         atomic_bit_test_and_complement<mode>,
166         atomic_bit_test_and_reset<mode>): New expanders.
167         (atomic_bit_test_and_set<mode>_1,
168         atomic_bit_test_and_complement<mode>_1,
169         atomic_bit_test_and_reset<mode>_1): New insns.
171 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
173         PR rtl-optimization/70687
174         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
175         instead of unsigned HOST_WIDE_INT.
177 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
179         PR rtl-optimization/44281
180         * hard-reg-set.h (struct target_hard_regs): New field
181         x_fixed_nonglobal_reg_set.
182         (fixed_nonglobal_reg_set): New macro.
183         * reginfo.c (init_reg_sets_1): Initialize it.
184         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
185         of fixed_reg_set.
186         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
188 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
190         PR tree-optimization/56541
191         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
192         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
193         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
194         (any_complicated_phi): new static variable.
195         (aggressive_if_conv): delete.
196         (if_convertible_phi_p): support phis with more than two arguments.
197         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
198         critical pred edges.
199         (ifcvt_split_critical_edges): support phis with more than two
200         arguments by checking new parameter.  only split critical edges
201         if needed.
202         (tree_if_conversion): handle simd pragma marked loop using new
203         local variable aggressive_if_conv.  check any_complicated_phi.
205 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
207         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
208         before using it.
210 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
212         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
213         cbase.
215 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
217         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
218         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
219         define_insn_and_split.
220         (mulsi3_i): New define_insn_and_split.
221         (mulsi3_call): Convert to define_insn.
222         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
223         Remove constraints.
225 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
227         * machmode.h (mode_complex): Add support to give the complex mode
228         for a given mode.
229         (GET_MODE_COMPLEX_MODE): Likewise.
230         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
231         stored by build_complex_type and gfc_build_complex_type instead of
232         trying to figure out the appropriate mode based on the size. Raise
233         an assertion error, if the type was not set.
234         * genmodes.c (struct mode_data): Add field for the complex type of
235         the given type.
236         (blank_mode): Likewise.
237         (make_complex_modes): Remember the complex mode created in the
238         base type.
239         (emit_mode_complex): Write out the mode_complex array to map a
240         type mode to the complex version.
241         (emit_insn_modes_c): Likewise.
242         * tree.c (build_complex_type): Set the complex type to use before
243         calling layout_type.
244         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
245         support for __float128 complex datatypes.
246         (rs6000_hard_regno_mode_ok): Likewise.
247         (rs6000_setup_reg_addr_masks): Likewise.
248         (rs6000_complex_function_value): Likewise.
249         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
250         __float128 and __ibm128 complex.
251         (FLOAT128_IBM_P): Likewise.
252         (ALTIVEC_ARG_MAX_RETURN): Likewise.
253         * doc/extend.texi (Additional Floating Types): Document that
254         -mfloat128 must be used to enable __float128.  Document complex
255         __float128 and __ibm128 support.
257 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
259         PR target/49244
260         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
261         char/short arguments promoted to int because of promote_prototypes.
263 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
265         * config/i386/predicates.md (register_ssemem_operand): New predicate.
266         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
267         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
268         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
269         alternatives using "enabled" attribute.  Use register_ssemem_operand
270         as operand 1 predicate.
271         (*cmpi<unord>xf_i387): Split XFmode pattern from
272         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
273         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
274         *absneg<mode>2_i387.  Disable unsupported alternatives using
275         "enabled" attribute.
276         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
278 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
280         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
281         marker.
282         (oacc_loop_process): Check mask for loop termination.
284 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
286         * cif-code.def (CIF_THUNK): Add.
287         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
288         accidental change.
290 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
292         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
293         (dump_inline_summary): Dump it.
294         (fp_expression_p): New predicate.
295         (estimate_function_body_sizes): Use it.
296         (inline_merge_summary): Merge fp_expressions.
297         (inline_read_section): Read fp_expressions.
298         (inline_write_summary): Write fp_expressions.
299         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
300         codegen boundary if either caller or callee is !fp_expressions.
301         * ipa-inline.h (inline_summary): Add fp_expressions.
302         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
303         to fp_expressions be sure the fp generation flags are updated.
305 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
307         PR rtl-optimization/70467
308         * cse.c (cse_insn): Handle no-op MEM moves after folding.
310         PR rtl-optimization/70467
311         * ipa-pure-const.c (check_call): Handle internal calls even in
312         ipa mode like in local mode.
314 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
316         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
318 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
320         * match.pd (X u< X, X u> X): New transformations.
322 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
324         * flag-types.h (enum warn_strict_overflow_code): Move ...
325         * coretypes.h: ... here.
326         * fold-const.h (fold_overflow_warning): Declare.
327         * fold-const.c (fold_overflow_warning): Make non-static.
328         (fold_comparison): Move the transformation of X +- C1 CMP C2
329         into X CMP C2 -+ C1 ...
330         * match.pd: ... here.
331         * gimple-fold.c (fold_stmt_1): Protect with
332         fold_defer_overflow_warnings.
334 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
336         * omp-low.c (struct oacc_loop): Add 'inner' field.
337         (new_oacc_loop_raw): Initialize it to zero.
338         (oacc_loop_fixed_partitions): Initialize it.
339         (oacc_loop_auto_partitions): Partition outermost loop to outermost
340         available partitioning.
342 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
344         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
345         register_operand.
346         (umulsidi3): Likewise.
347         (indirect_jump): Fix jump instruction assembly patterns.
349 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
351         PR target/70860
352         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
353         (nvptx_function_value): Assert non-NULL cfun.
355 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
357         PR rtl-optimization/70886
358         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
360         * cselib.h (rtx_equal_for_cselib_1): Declare.
361         (rtx_equal_for_cselib_p: New inline function.
362         * cselib.c (rtx_equal_for_cselib_p): Delete.
363         (rtx_equal_for_cselib_1): Make public.
365 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
367         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
368         (register_mixssei387nonimm_operand): Remove predicate.
369         * config/i386/i386.md (*fop_<mode>_comm): Merge from
370         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
371         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
372         for TARGET_MIX_SSE_I387 alternatives.
373         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
374         Disable unsupported alternatives using "enabled" attribute.  Use
375         nonimm_ssenomem_operand as operand 1 predicate.  Also check
376         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
378 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
380         * tree.c (cst_and_fits_in_hwi): Simplify.
382 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
384         * tree.h (wi::to_wide): New function.
385         * expr.c (expand_expr_real_1): Use wi::to_wide.
386         * fold-const.c (int_const_binop_1): Likewise.
387         (extract_muldiv_1): Likewise.
389 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
391         * wide-int.h: Update offset_int and widest_int documentation.
392         (WI_SIGNED_SHIFT_RESULT): New macro.
393         (wi::binary_shift): Define signed_shift_result_type for
394         shifts on offset_int- and widest_int-like types.
395         (generic_wide_int): Support <<= and >>= if << and >> are supported.
396         * tree.h (int_bit_position): Use shift operators instead of wi::
397          shifts.
398         * alias.c (adjust_offset_for_component_ref): Likewise.
399         * expr.c (get_inner_reference): Likewise.
400         * fold-const.c (fold_comparison): Likewise.
401         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
402         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
403         * tree-dfa.c (get_ref_base_and_extent): Likewise.
404         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
405         (stmt_kills_ref_p): Likewise.
406         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
407         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
408         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
409         (ao_ref_init_from_vn_reference): Likewise.
411 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
413         * wide-int.h: Update offset_int and widest_int documentation.
414         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
415         (wi::binary_traits): Allow ordered comparisons between offset_int and
416         offset_int, between widest_int and widest_int, and between either
417         of these types and basic C types.
418         (operator <, <=, >, >=): Define for the same combinations.
419         * tree.h (tree_int_cst_lt): Use comparison operators instead
420         of wi:: comparisons.
421         (tree_int_cst_le): Likewise.
422         * gimple-fold.c (fold_array_ctor_reference): Likewise.
423         (fold_nonarray_ctor_reference): Likewise.
424         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
425         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
426         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
427         * tree-sra.c (completely_scalarize): Likewise.
428         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
429         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
430         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
431         (check_for_binary_op_overflow): Likewise.
432         (search_for_addr_array): Likewise.
433         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
435 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
437         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
438         (arc_save_restore): Likewise.
439         (arc_dwarf_register_span): Likewise.
440         (arc_output_pic_addr_const): Initialize suffix variable.
442 2016-05-02  Martin Liska  <mliska@suse.cz>
444         * symbol-summary.h (function_summary::function_summary):
445         Remove checking assert for all cgraph nodes.
446         (function_summary::get): Check summary_uid.
447         (symtab_insertion): Check summary_uid.
449 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
451         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
452         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
453         bmaskn instruction.
454         (arc_dwarf_register_span): Remove enum keyword.
455         (compact_memory_operand_p): New function.
456         * config/arc/arc.h (reg_class): Add code density register classes.
457         (REG_CLASS_NAMES): Likewise.
458         (REG_CLASS_CONTENTS): Likewise.
459         * config/arc/arc.md (*movqi_insn): Add code density instructions.
460         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
461         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
462         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
463         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
464         constraints.
465         (h, Rcd, Rsd, Rzd): New register constraints.
466         (T): Use compact_memory_operand_p function.
467         * config/arc/predicates.md (compact_load_memory_operand): Remove.
469 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
471         * config/sh/sh.md (*negnegt, *movtt): Remove.
473 2016-05-02  Marek Polacek  <polacek@redhat.com>
474             Tom de Vries  <tom@codesourcery.com>
476         PR tree-optimization/70700
477         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
478         bigger than FIRST_REF_NODE.
480 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
482         PR target/52898
483         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
484         TARGET_CMPEQDI_T.
485         (prepare_cbranch_operands): Don't use scratch register.  Assume that
486         function is used when pseudos can be created.
487         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
488         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
489         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
490         define_expand.  Allow it only when pseudos can be created.
491         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
493 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
495         * config/i386/constraints.md (BC): Only allow -1 operands.
496         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
497         Add "enabled" attribute.  Update XI mode attribute calculation.
498         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
499         (*movoi_internal_avx): Update XI mode attribute calculation.
500         (*movti_internal): Ditto.
502 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
504         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
505         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
507 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
509         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
510         statement on instruction code.  Remove trailing spaces.
511         (altivec_expand_stv_builtin): Likewise.
513 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
515         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
516         (TARGET_FPU_DOUBLE): Simplify.
517         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
518         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
519         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
520         with 'TARGET_FPU_DOUBLE'.
521         * config/sh/sh.md: Likewise.
523 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
525         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
526         SH_DIV_STR_FOR_SIZE): Remove.
527         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
528         SH_DIV_STR_FOR_SIZE): Remove.
530 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
532         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
533         logical_reg_operand): Delete.
534         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
535         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
536         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
537         match_operand and match_test.
538         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
539         variables on their first use.  Return bool values.
540         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
541         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
542         arith_reg_operand for input operand.  Remove empty constraints.
543         (xorsi3): Delete.
544         (*xorsi3_compact): Rename to xorsi3.
545         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
546         (*zero_extend<mode>si2_disp_mem): Update comment.
547         (mov_nop): Delete.
549 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
551         * config/sh/t-sh: Remove SH5 support.
552         * config.gcc: Likewise.
553         * configure: Likewise.
555 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
557         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
559 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
561         * config/sh/sh.c (register_sh_passes, sh_option_override,
562         sh_print_operand, prepare_move_operands,
563         sh_can_follow_jump): Remove TARGET_SH1 checks.
564         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
565         PROMOTE_MODE): Likewise.
566         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
567         movdi): Likewise.
569 2016-04-30  Alan Modra  <amodra@gmail.com>
571         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
572         restoring when fixed_reg_p, but allow out-of-line or stmw save.
573         Check for user regs later to avoid unnecessary looping over regs.
574         Merge user reg check with non-saved reg check.  Don't force
575         inline VR restore when static chain used.
576         (rs6000_frame_related): Omit eh_frame info for user regs when
577         saving.
578         (fixed_regs_p): Delete.
580 2016-04-30  Alan Modra  <amodra@gmail.com>
582         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
583         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
584         Update all uses.
586 2016-04-30  Alan Modra  <amodra@gmail.com>
588         PR target/69645
589         * config/rs6000/rs6000.c (fixed_reg_p): New function.
590         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
591         Update all uses.
593 2016-04-30  Alan Modra  <amodra@gmail.com>
595         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
596         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
597         flag_pic test for Darwin.
599 2016-04-30  Alan Modra  <amodra@gmail.com>
601         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
602         throw_calls_crossed.
603         (REG_FREQ_CALLS_CROSSED): Delete.
604         (REG_N_THROWING_CALLS_CROSSED): Delete.
605         * regstat.c (regstat_bb_compute_ri): Don't calculate
606         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
607         (dump_reg_info): Don't print call cross frequency.
608         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
609         and REG_N_THROWING_CALLS_CROSSED.
611 2016-04-30  Alan Modra  <amodra@gmail.com>
613         * regs.h (struct reg_info_t): Delete live_length.
614         (REG_LIVE_LENGTH): Delete macro.
615         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
616         local_live, local_processed and local_live_last_luid params.
617         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
618         Formatting fixes.
619         (regstat_compute_ri): Adjust for above.  Don't set
620         REG_LIVE_LENGTH.
621         (dump_reg_info): Don't print live length.
622         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
623         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
624         Localize loop_depth var.
626 2016-04-30  Alan Modra  <amodra@gmail.com>
628         * ira.c (enum valid_equiv): New.
629         (validate_equiv_mem): Return enum.
630         (update_equiv_mem): Create replacement in more cases.
631         (add_store_equivs): Update validate_equiv_mem call.
633 2016-04-30  Alan Modra  <amodra@gmail.com>
635         * ira.c (combine_and_move_insns): Rather than scanning insns,
636         use DF infrastucture to find use and def insns.
638 2016-04-30  Alan Modra  <amodra@gmail.com>
640         ira.c (combine_and_move_insns): Move invariant conditions..
641         (ira.c): ..to here.  Call combine_and_move_insns before
642         add_store_equivs.  Call grow_reg_equivs later.  Allocate
643         req_equiv later using max_reg_num() rather than global max_regno.
644         (contains_replace_regs): Delete.
645         (add_store_equivs): Remove contains_replace_regs test.
647 2016-04-30  Alan Modra  <amodra@gmail.com>
649         * ira.c (struct equiv_mem_data): New.
650         (equiv_mem, equiv_mem_modified): Delete static vars.
651         (validate_equiv_mem_from_store): Use "data" param to communicate..
652         (validate_equiv_mem): ..from here.
654 2016-04-30  Alan Modra  <amodra@gmail.com>
656         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
657         split out from..
658         (update_reg_equivs): ..here.  Move allocation and freeing of
659         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
660         end_alias_analysis to..
661         (ira): ..here.
663 2016-04-30  Alan Modra  <amodra@gmail.com>
665         * ira.c (pdx_subregs): Delete.
666         (struct equivalence): Add pdx_subregs field.
667         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
668         pdx_subregs access.
669         (update_equiv_regs): Don't create or free pdx_subregs.  Update
670         pdx_subregs access.
672 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
674         * config/rs6000/altivec.h: Change definitions of vec_xl and
675         vec_xst.
676         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
677         (LD_ELEMREV_V2DI): New.
678         (LD_ELEMREV_V4SF): New.
679         (LD_ELEMREV_V4SI): New.
680         (LD_ELEMREV_V8HI): New.
681         (LD_ELEMREV_V16QI): New.
682         (ST_ELEMREV_V2DF): New.
683         (ST_ELEMREV_V2DI): New.
684         (ST_ELEMREV_V4SF): New.
685         (ST_ELEMREV_V4SI): New.
686         (ST_ELEMREV_V8HI): New.
687         (ST_ELEMREV_V16QI): New.
688         (XL): New.
689         (XST): New.
690         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
691         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
692         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
693         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
694         (altivec_expand_builtin): Add handling for
695         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
696         (rs6000_invalid_builtin): Add error-checking for
697         RS6000_BTM_P9_VECTOR.
698         (altivec_init_builtins): Define builtins used to implement vec_xl
699         and vec_xst.
700         (rs6000_builtin_mask_names): Define power9-vector.
701         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
702         (RS6000_BTM_P9_VECTOR): Define.
703         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
704         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
705         (vsx_ld_elemrev_v2df): Likewise.
706         (vsx_ld_elemrev_v4sf): Likewise.
707         (vsx_ld_elemrev_v4si): Likewise.
708         (vsx_ld_elemrev_v8hi): Likewise.
709         (vsx_ld_elemrev_v16qi): Likewise.
710         (vsx_st_elemrev_v2df): Likewise.
711         (vsx_st_elemrev_v2di): Likewise.
712         (vsx_st_elemrev_v4sf): Likewise.
713         (vsx_st_elemrev_v4si): Likewise.
714         (vsx_st_elemrev_v8hi): Likewise.
715         (vsx_st_elemrev_v16qi): Likewise.
716         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
717         grammar.
719 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
721         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
722         out into ...
723         (simplify_control_stmt_condition_1): ... here.  Recurse into
724         BIT_AND_EXPRs and BIT_IOR_EXPRs.
726 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
728         PR target/69810
729         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
730         (zero_extendqi<mode>2_dot): Revert earlier conversion from
731         define_insn_and_split to define_insn.
732         (zero_extendqi<mode>2_dot2): Same.
733         (extendqi<mode>2_dot): Same.
734         (extendqi<mode>2_dot2): Same.
736 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
738         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
739         (probe_stack): New expander.
740         (probe_stack_<mode>): New insn pattern.
742 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
744         * config/i386/i386.md
745         (operations with memory inputs setting flags peephole2):
746         Remove uneeded REG_P checks.  Cleanup pattern generation.
748 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
750         * tree-vect-loop.c (vect_transform_loop): Fix
751         nb_iterations_upper_bound computation for vectorized loop.
753 2016-04-29  Marek Polacek  <polacek@redhat.com>
754             Jakub Jelinek  <jakub@redhat.com>
756         PR sanitizer/70342
757         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
758         TARGET_EXPR_SLOT as a base.
760 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
762         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
763         with 'rCm2' constraints to limit possible immediate size.
764         (*load_zeroextendqisi_update): Likewise.
765         (*load_signextendqisi_update): Likewise.
766         (*loadhi_update): Likewise.
767         (*load_zeroextendhisi_update): Likewise.
768         (*load_signextendhisi_update): Likewise.
769         (*loadsi_update): Likewise.
770         (*loadsf_update): Likewise.
772 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
774         * config/i386/predicates.md (constm1_operand): Fix comparison.
776 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
778         * testsuite/gcc.target/arc/ieee_eq.c: New test.
780 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
782         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
783         remaining SH5 related settings.
784         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
785         shmedia_prepare_call_address): Delete.
786         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
787         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
788         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
789         UNSUPPORTED_SH2A): Remove m5 checks.
790         (sh_divide_strategy_e): Remove SH5 division strategies.
791         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
792         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
794 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
796         * config/s390/s390.c (s390_rtx_costs): Update documentation.
798 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
800         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
801         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
802         Change lder to ldr.
803         * config/s390/vector.md ("mov<mode>"): Likewise.
805 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
807         * config/s390/constraints.md ("U", "W"): Invoke
808         s390_mem_constraint with "ZR" and "ZT".
809         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
810         addresses when using LRA.  Accept also short displacements for S
811         and T constraints.  Do not check for long displacement target for
812         S and T constraints.
813         (s390_mem_constraint): Remove handling of U and W constraints.
814         * config/s390/s390.md (various patterns): Remove the short
815         displacement constraints (Q and R) if a long displacement
816         constraint is present.  Add longdisp as required CPU capability.
817         * config/s390/vector.md: Likewise.
818         * config/s390/vx-builtins.md: Likewise.
820 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
822         PR target/60040
823         * reload1.c (reload): Call finish_spills before
824         restarting reload loop. Skip select_reload_regs
825         if update_eliminables_and_spill returns true.
827 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
829         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
830         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
831         (umulhisi3_imm): Update predicates and constraint letters.
832         (umulhisi3_reg): Declare instruction as commutative.
833         * config/arc/constraints.md (J12, J16): New constraints.
834         * config/arc/predicates.md (short_unsigned_const_operand): New
835         predicate.
836         (arc_short_operand): Likewise.
837         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
839 2016-04-29  Richard Biener  <rguenther@suse.de>
841         PR tree-optimization/13962
842         PR tree-optimization/65686
843         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
844         * tree-ssa-alias.c (ptrs_compare_unequal): New function
845         using PTA to compare pointers.
846         * match.pd: Add pattern for pointer equality compare simplification
847         using ptrs_compare_unequal.
849 2016-04-29  Richard Biener  <rguenther@suse.de>
851         * stor-layout.c (layout_type): Do not build a pointer-to-element
852         type for arrays.
854 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
856         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
857         Use SWI mode iterator.  Use general_reg_operand predicate.
858         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
859         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
860         predicates.
862 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
864         PR middle-end/70843
865         * fold-const.c (operand_equal_p): Don't verify hash value equality
866         if arg0 == arg1.
867         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
868         and OMP_CLAUSE.
870 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
872         PR target/70858
873         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
874         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
875         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
876         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
877         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
879 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
881         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
882         to info.  Don't initialize separate fields to 0.  Clean up
883         formatting a bit.
885 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
887         * config/i386/i386.md (peephole2s for operations with memory inputs):
888         Use SWI mode iterator.
889         (peephole2s for operations with memory outputs): Ditto.
890         Do not check for stack checking probe.
892         (probe_stack): Remove expander.
894 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
895             Andrew Burgess  <andrew.burgess@embecosm.com>
897         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
898         operands as 32-bits.
900 2016-04-28  Jason Merrill  <jason@redhat.com>
902         * gdbinit.in: Skip line-map.h.
904 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
905             Andrew Burgess  <andrew.burgess@embecosm.com>
907         * config/arc/arc.c (arc_conditional_register_usage): Take
908         TARGET_RRQ_CLASS into account.
909         (arc_print_operand): Support printing 'p' and 's' operands.
910         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
911         as 0.
912         (TARGET_RRQ_CLASS): Define.
913         (IS_POWEROF2_OR_0_P): Define.
914         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
915         alternatives.
916         (*tst_movb): New define_insn.
917         (*tst): Avoid recognition if it could prevent '*tst_movb'
918         combination; replace c/CnL with c/Chs alternative.
919         (*tst_bitfield_tst): New define_insn.
920         (*tst_bitfield_asr): New define_insn.
921         (*tst_bitfield): New define_insn.
922         (andsi3_i): Add Rrq variant.
923         (extzv): New define_expand.
924         (insv): New define_expand.
925         (*insv_i): New define_insn.
926         (*movb): New define_insn.
927         (*movb_signed): New define_insn.
928         (*movb_high): New define_insn.
929         (*movb_high_signed): New define_insn.
930         (*movb_high_signed + 1): New define_split pattern.
931         (*mrgb): New define_insn.
932         (*mrgb + 1): New define_peephole2 pattern.
933         (*mrgb + 2): New define_peephole2 pattern.
934         * config/arc/arc.opt (mbitops): New option for nps400, uses
935         TARGET_NPS_BITOPS_DEFAULT.
936         * config/arc/constraints.md (q): Make register class conditional.
937         (Rrq): New register constraint.
938         (Chs): New constraint.
939         (Clo): New constraint.
940         (Chi): New constraint.
941         (Cbf): New constraint.
942         (Cbn): New constraint.
943         (C18): New constraint.
944         (Cbi): New constraint.
946 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
948         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
949         dst->popcount.
950         (bitmap_intersection_of_preds): Ditto.
951         (bitmap_union_of_succs): Ditto.
952         (bitmap_union_of_preds): Ditto.
953         * sbitmap.c (do_popcount): Delete.
954         (BITMAP_DEBUGGING): Delete.
955         (sbitmap_verify_popcount): Delete.
956         (sbitmap_alloc): Don't initialize the popcount field.
957         (sbitmap_alloc_with_popcount): Delete.
958         (sbitmap_resize): Don't resize the popcount array.
959         (sbitmap_vector_alloc): Don't initialize the popcount field.
960         (bitmap_copy): Don't copy the popcount array.
961         (bitmap_clear): Don't clear the popcount array.
962         (bitmap_clear): Delete the popcount array handling.
963         (bitmap_ior_and_compl): Delete the popcount assert.
964         (bitmap_not): Ditto.
965         (bitmap_and_compl): Ditto.
966         (bitmap_and): Delete the popcount array handling.
967         (bitmap_xor): Ditto.
968         (bitmap_ior): Ditto.
969         (bitmap_or_and): Delete the popcount assert.
970         (bitmap_and_or): Ditto.
971         (popcount_table): Delete.
972         (sbitmap_elt_popcount): Delete.
973         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
974         (bitmap_set_bit): Delete the popcount assert.
975         (bitmap_clear_bit): Ditto.
976         (sbitmap_free): Don't free the popcount array.
977         (sbitmap_alloc_with_popcount): Delete declaration.
978         (sbitmap_popcount): Ditto.
980 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
981             Andrew Burgess  <andrew.burgess@embecosm.com>
983         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
984         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
985         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
986         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
987         * config/arc/arc.opt (mcmem): New option.
988         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
989         supply length for r/m alternative.
990         (*extendqisi2_ac): Likewise.
991         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
992         r/Uex alternative.
993         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
994         (movhi_insn): Likewise.
995         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
996         (*zero_extendqihi2_i): Add r/Ucm alternative.
997         (*zero_extendqisi2_ac): Likewise.
998         (*zero_extendhisi2_i): Likewise.
999         * config/arc/constraints.md (Uex): New memory constraint.
1000         (Ucm): New define_constraint.
1001         * config/arc/predicates.md (long_immediate_loadstore_operand):
1002         Return 0 for MEM with cmem_address address.
1003         (cmem_address_0): New predicates.
1004         (cmem_address_1): Likewise.
1005         (cmem_address_2): Likewise.
1006         (cmem_address): Likewise.
1008 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
1010         * config/rs6000/rs6000.c (machine_function): Rename
1011         insn_chain_scanned_p to spe_insn_chain_scanned_p.
1012         (rs6000_stack_info): Adjust.
1014 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
1015             Andrew Burgess  <andrew.burgess@embecosm.com>
1017         * config/arc/constraints.md (Usd): Convert to define_constraint.
1018         (Us<): Likewise.
1019         (Us>): Likewise.
1021 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
1023         PR target/70821
1024         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
1025         Add new peephole2 where the first insn is *mov<mode>_or instead of
1026         *mov<mode>_internal.
1028 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
1030         * tracer.c (bb_seen): Make static.
1032 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
1034         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
1035         support, setup defaults.
1036         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
1037         * config/arc/arc.c (arc_init): Add NPS400 support.
1038         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
1039         (TARGET_ARC700): NPS400 is also an ARC700.
1040         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
1042 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
1044         PR target/70668
1045         * config/nds32/nds32.md (casesi): Don't access the operands array
1046         out of bounds.
1048 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
1050         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
1051         (or $-1,reg peephole2): Ditto.
1052         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
1054 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
1056         * doc/extend.texi (Common Function Attributes) [optimize]:
1057         Discourage use of the optimize attribute.
1059 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
1061         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
1062         special case builtin.
1063         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1064         ALTIVEC_BUILTIN_VEC_ADDE.
1065         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1066         support for ALTIVEC_BUILTIN_VEC_ADDE.
1067         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1068         for __builtin_vec_adde.
1070 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
1072         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
1073         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
1075 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1077         PR testsuite/70595
1078         * doc/sourcebuild.texi (Effective-Target Keywords, Other
1079         attributes): Document cilkplus_runtime.
1081 2016-04-28  Martin Jambor  <mjambor@suse.cz>
1083         * tree-cfg.c (verify_expr): Verify that local declarations belong to
1084         this function.  Call verify_expr on MEM_REFs and bases of other
1085         handled_components.
1087 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1089         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
1090         for WORD_REGISTER_OPERATIONS to runtime check.
1092 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
1094         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
1096 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
1098         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
1099         big-endian compilation.
1100         * config/arc/arc.md (addf3): Likewise.
1101         (subdf3): Likewise.
1102         (muldf3): Likewise.
1104 2016-04-28  Richard Biener  <rguenther@suse.de>
1106         PR tree-optimization/70840
1107         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
1108         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
1109         Mark x * pow(x,c) -> pow(x,c+1) commutative.
1110         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
1112 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1114         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
1115         and explain why in a comment.
1117 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
1119         * config/arc/arc.md (cpu_facility): Add fpx variant.
1120         (subdf3): Prohibit use reverse sub when assist operations option
1121         is enabled.
1122         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
1123         instructions only when FPX is enabled.
1124         * testsuite/gcc.target/arc/trsub.c: New test.
1126 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
1128         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
1129         mult_operator when calculating "type" attribute.
1130         (*fop_<mode>_1_i387): Ditto.
1131         (*fop_xf_1_i387): Ditto.
1132         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
1133         Use std::swap to swap operands.  Use RTL expressions to generate
1134         converted pattern.
1136 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
1137             Joern Rennecke  <joern.rennecke@embecosm.com>
1139         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
1140         declaration.
1141         (emit_pic_move): Remove.
1142         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
1143         * config/arc/arc.c (emit_pic_move): Removed.
1144         (TARGET_HAVE_TLS): Define.
1145         (arc_conditional_register_usage): Test for arc_tp_regno.
1146         (arc_print_operand, arc_print_operand_address): Handle TLS
1147         unspecs.
1148         (arc_needs_pcl_p): New function.
1149         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
1150         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
1151         (arc_raw_symbolic_reference_mentioned_p): Likewise.
1152         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
1153         (arc_legitimize_tls_address): Likewise.
1154         (DTPOFF_ZERO_SYM): Define.
1155         (arc_legitimize_pic_address): Make it static, handle TLS cases.
1156         (arc_output_pic_addr_const): Print TLS unspecs.
1157         (prepare_pic_move): New function, replaces emit_pic_move.
1158         (arc_legitimate_constant_p): Handle TLS unspecs.
1159         (arc_legitimate_address_p): Likewise.
1160         (arc_rewrite_small_data_p): Use assert for TLS constants.
1161         (prepare_move_operands): Use prepare_pic_move.
1162         (arc_legitimize_address): Legitimize tls addresses.
1163         (arc_epilogue_uses): Check for arc_tp_regno.
1164         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
1165         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
1166         Define.
1167         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
1168         Likewise.
1169         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
1170         %(arc_tls_extra_start_spec).
1171         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
1172         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
1173         (EH_USES): Define.
1174         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
1175         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
1176         (UNSPEC_TLS_OFF): Add.
1177         (R10_REG): Define.
1178         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
1179         (get_thread_pointersi): New patterns.
1180         * config/arc/arc.opt (mtp-regno): New option.
1181         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
1182         (move_dest_operand): Likewise.
1183         * configure: Regenerate.
1184         * configure.ac: Add arc*-*-* case to test for tls.
1185         * doc/invoke.texi (ARC options): Document mtp-regno.
1187 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
1189         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
1190         the new ARC HS SIMD instructions.
1191         (arc_preferred_simd_mode): New function.
1192         (arc_autovectorize_vector_sizes): Likewise.
1193         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
1194         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
1195         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
1196         (arc_init_builtins): Add new SIMD builtin types.
1197         (arc_split_move): Handle 64 bit vector moves.
1198         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
1199         (TARGET_PLUS_QMACW): Define.
1200         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
1201         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
1202         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
1203         (VSUBADD4H): New builtins.
1204         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
1205         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
1207 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
1208             Matthias Klose  <doko@debian.org>
1210         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
1212 2016-04-28  Richard Biener  <rguenther@suse.de>
1214         PR middle-end/70777
1215         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
1216         canonicalization.
1218 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
1220         * common/config/sh/sh-common.c: Remove SH5 support.
1221         * config/sh/constraints.md: Likewise.
1222         * config/sh/config/sh/elf.h: Likewise.
1223         * config/sh/linux.h: Likewise.
1224         * config/sh/netbsd-elf.h: Likewise.
1225         * config/sh/predicates.md: Likewise.
1226         * config/sh/sh-c.c: Likewise.
1227         * config/sh/sh-protos.h: Likewise.
1228         * config/sh/sh.c: Likewise.
1229         * config/sh/sh.h: Likewise.
1230         * config/sh/sh.md: Likewise.
1231         * config/sh/sh.opt: Likewise.
1232         * config/sh/sync.md: Likewise.
1233         * config/sh/sh64.h: Delete.
1234         * config/sh/shmedia.h: Likewise.
1235         * config/sh/shmedia.md: Likewise.
1236         * config/sh/sshmedia.h: Likewise.
1237         * config/sh/t-netbsd-sh5-64: Likewise.
1238         * config/sh/t-sh64: Likewise.
1239         * config/sh/ushmedia.h: Likewise.
1241 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
1243         * config/i386/i386.md (sign_extend to memory peephole2s): Use
1244         general_reg_operand instead of register_operand predicate.
1246 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1248         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
1250 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
1252         * match.pd (A - B > A, A + B < A): New transformations.
1254 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
1256         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
1257         which defaults to true.  Emit an outer pair of parentheses only if
1258         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
1259         don't emit parentheses for the right-hand operand.
1261 2016-04-27  Jeff Law  <law@redhat.com>
1263         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
1265 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1267         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
1268         (altivec_lvx_<mode>_internal): Document.
1269         (altivec_lvx_<mode>_2op): New define_insn.
1270         (altivec_lvx_<mode>_1op): Likewise.
1271         (altivec_lvx_<mode>_2op_si): Likewise.
1272         (altivec_lvx_<mode>_1op_si): Likewise.
1273         (altivec_stvx_<mode>): Remove.
1274         (altivec_stvx_<mode>_internal): Document.
1275         (altivec_stvx_<mode>_2op): New define_insn.
1276         (altivec_stvx_<mode>_1op): Likewise.
1277         (altivec_stvx_<mode>_2op_si): Likewise.
1278         (altivec_stvx_<mode>_1op_si): Likewise.
1279         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1280         Expand vec_ld and vec_st during parsing.
1281         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
1282         changes.
1283         (altivec_expand_stvx_be): Likewise.
1284         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
1285         address-masking behavior in RTL.
1286         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
1287         address-masking behavior in RTL.
1288         (altivec_expand_builtin): Change builtin code arguments for calls
1289         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
1290         (insn_is_swappable_p): Avoid incorrect swap optimization in the
1291         presence of lvx/stvx patterns.
1292         (alignment_with_canonical_addr): New function.
1293         (alignment_mask): Likewise.
1294         (find_alignment_op): Likewise.
1295         (recombine_lvx_pattern): Likewise.
1296         (recombine_stvx_pattern): Likewise.
1297         (recombine_lvx_stvx_patterns): Likewise.
1298         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
1299         stvx patterns from expand.
1300         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
1301         expansions.
1302         (vector_altivec_store_<mode>): Likewise.
1304 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
1306         * config/aarch64/aarch64.md
1307         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
1308         remove the "fp" attributes.
1309         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
1310         add the "simd" attributes.
1311         (*movdf_aarch64): Likewise.
1312         (*movtf_aarch64): Remove the "fp" attributes.
1313         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
1314         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
1316 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1318         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
1319         rtx to rtx_code_label *.
1320         * rtl.h (maybe_set_first_label_num): Likewise.
1322 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1324         * df-core.c (df_add_problem): Make the problem param be const.
1325         (df_remove_problem): Make local "problem" be const.
1326         * df-problems.c (problem_RD): Make const.
1327         (problem_LR): Likewise.
1328         (problem_LIVE): Likewise.
1329         (problem_MIR): Likewise.
1330         (problem_CHAIN): Likewise.
1331         (problem_WORD_LR): Likewise.
1332         (problem_NOTE): Likewise.
1333         (problem_MD): Likewise.
1334         * df-scan.c (problem_SCAN): Likewise.
1335         * df.h (struct df_problem): Make field "dependent_problem" be
1336         const.
1337         (struct dataflow): Likewise for field "problem".
1338         (df_add_problem): Make param const.
1340 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
1342         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
1343         inter-unit moves to/from vector registers are enabled.  Do not disable
1344         for TARGET_MMX.
1346 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1348         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
1349         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
1350         #define to...
1351         (enum df_problem_id): ...this new enum.
1352         (struct df_problem): Convert field "id" from "int" to
1353         enum df_problem_id.
1355 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1357         * rtl.def: Update comment for "things in the instruction chain" to
1358         reflect the removal of the leading "i" field for INSN_UID in
1359         r210360.  Fix bogus apostrophe.
1361 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
1363         * config/i386/i386.md
1364         (lea arith with mem operand + setcc peephole2): Set operator mode.
1366 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1368         PR target/70155
1369         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
1370         (dimode_scalar_to_vector_candidate_p): This.
1371         (timode_scalar_to_vector_candidate_p): New function.
1372         (scalar_to_vector_candidate_p): Likewise.
1373         (timode_check_non_convertible_regs): Likewise.
1374         (timode_remove_non_convertible_regs): Likewise.
1375         (remove_non_convertible_regs): Likewise.
1376         (remove_non_convertible_regs): Renamed to ...
1377         (dimode_remove_non_convertible_regs): This.
1378         (scalar_chain::~scalar_chain): Make it virtual.
1379         (scalar_chain::compute_convert_gain): Make it pure virtual.
1380         (scalar_chain::mark_dual_mode_def): Likewise.
1381         (scalar_chain::convert_insn): Likewise.
1382         (scalar_chain::convert_registers): Likewise.
1383         (scalar_chain::add_to_queue): Make it protected.
1384         (scalar_chain::emit_conversion_insns): Likewise.
1385         (scalar_chain::replace_with_subreg): Likewise.
1386         (scalar_chain::replace_with_subreg_in_insn): Likewise.
1387         (scalar_chain::convert_op): Likewise.
1388         (scalar_chain::convert_reg): Likewise.
1389         (scalar_chain::make_vector_copies): Likewise.
1390         (scalar_chain::convert_registers): New pure virtual function.
1391         (class dimode_scalar_chain): New class.
1392         (class timode_scalar_chain): Likewise.
1393         (scalar_chain::mark_dual_mode_def): Renamed to ...
1394         (dimode_scalar_chain::mark_dual_mode_def): This.
1395         (timode_scalar_chain::mark_dual_mode_def): New function.
1396         (timode_scalar_chain::convert_insn): Likewise.
1397         (dimode_scalar_chain::convert_registers): Likewise.
1398         (scalar_chain::compute_convert_gain): Renamed to ...
1399         (dimode_scalar_chain::compute_convert_gain): This.
1400         (scalar_chain::replace_with_subreg): Renamed to ...
1401         (dimode_scalar_chain::replace_with_subreg): This.
1402         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
1403         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
1404         (scalar_chain::make_vector_copies): Renamed to ...
1405         (dimode_scalar_chain::make_vector_copies): This.
1406         (scalar_chain::convert_reg): Renamed to ...
1407         (dimode_scalar_chain::convert_reg ): This.
1408         (scalar_chain::convert_op): Renamed to ...
1409         (dimode_scalar_chain::convert_op): This.
1410         (scalar_chain::convert_insn): Renamed to ...
1411         (dimode_scalar_chain::convert_insn): This.
1412         (scalar_chain::convert): Call convert_registers.
1413         (convert_scalars_to_vector): Change to scalar_chain pointer to
1414         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
1415         in 32-bit mode.  Delete scalar_chain pointer.  Call
1416         free_dominance_info in 64-bit mode.
1417         (pass_stv::gate): Remove TARGET_64BIT check.
1418         (ix86_option_override): Put the 64-bit STV pass before the CSE
1419         pass.
1421 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
1423         * dwarf2out.h (struct dw_loc_descr_node): Remove the
1424         dw_loc_frame_offset field.
1425         * dwarf2out.c (new_loc_descr): Likewise.
1426         (resolve_args_picking_1): Turn the VISITED hash set into a
1427         FRAME_OFFSET hash map. Use it to associate a frame offset to
1428         visited nodes. Remove uses of the CHECKING_P macro.
1429         (resolve_args_picking): Update call to resolve_args_picking_1.
1431 2016-04-27  Martin Liska  <mliska@suse.cz>
1433         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
1434         (free_loop_data): Release vuses of groups.
1436 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
1438         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
1439         instead of redundant use_id and boolean have_use_for.
1440         (struct iv_use): Change sub_id into group_id.  Remove field next.
1441         Move fields: related_cands, n_map_members, cost_map and selected
1442         to ...
1443         (struct iv_group): ... here.  New structure.
1444         (struct iv_common_cand): Use structure declaration directly.
1445         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
1446         (MAX_CONSIDERED_USES): Rename macro to ...
1447         (MAX_CONSIDERED_GROUPS): ... here.
1448         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
1449         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
1450         (dump_uses): Rename to ...
1451         (dump_groups): ... here.  Update all uses.
1452         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
1453         (find_induction_variables): Refactor format of dump information.
1454         (record_sub_use): Delete.
1455         (record_use): Update all uses.
1456         (record_group): New function.
1457         (record_group_use, find_interesting_uses_op): Call above functions.
1458         Update all uses.
1459         (find_interesting_uses_cond): Ditto.
1460         (group_compare_offset): New function.
1461         (split_all_small_groups): Rename to ...
1462         (split_small_address_groups_p): ... here.  Update all uses.
1463         (split_address_groups):  Update all uses.
1464         (find_interesting_uses): Refactor format of dump information.
1465         (add_candidate_1): Update all uses.  Remove redundant check on iv,
1466         base and step.
1467         (add_candidate, record_common_cand): Remove redundant assert.
1468         (add_iv_candidate_for_biv): Update use.
1469         (add_iv_candidate_derived_from_uses): Update all uses.
1470         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
1471         (alloc_use_cost_map): Ditto.
1472         (set_use_iv_cost, get_use_iv_cost): Rename to ...
1473         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
1474         (determine_use_iv_cost_generic): Ditto.
1475         (determine_group_iv_cost_generic): Ditto.
1476         (determine_use_iv_cost_address): Ditto.
1477         (determine_group_iv_cost_address): Ditto.
1478         (determine_use_iv_cost_condition): Ditto.
1479         (determine_group_iv_cost_cond): Ditto.
1480         (determine_use_iv_cost): Ditto.
1481         (determine_group_iv_cost): Ditto.
1482         (set_autoinc_for_original_candidates): Update all uses.
1483         (find_iv_candidates): Update all uses.  Refactor dump information.
1484         (determine_use_iv_costs): Ditto.
1485         (determine_iv_costs): Ditto.
1486         (iv_ca_cand_for_use): Rename to ...
1487         (iv_ca_cand_for_group): ... here.  Update all uses.
1488         (iv_ca_add_use, iv_ca_add_group): Ditto.
1489         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
1490         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
1491         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
1492         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
1493         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
1494         (create_new_iv, adjust_iv_update_pos): Ditto.
1495         (rewrite_use_address): Delete.
1496         (rewrite_use_address_1): Rename to ...
1497         (rewrite_use_address): ... here.
1498         (rewrite_use_compare): Update all uses.
1499         (rewrite_use): Delete.
1500         (rewrite_uses): Rename to ...
1501         (rewrite_groups): ... here.  Update all uses.
1502         (remove_unused_ivs, free_loop_data): Update all uses.
1503         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
1505 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1507         * rtlanal.c (nonzero_bits1): Convert preprocessor check
1508         for WORD_REGISTER_OPERATIONS to runtime check.
1510 2016-04-27  Richard Biener  <rguenther@suse.de>
1512         PR ipa/70760
1513         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
1514         aggregate_value_p to determine if a function result is
1515         returned by reference.
1516         (ipa_pta_execute): Functions having their address taken are
1517         not automatically nonlocal.
1519 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
1521         PR sanitizer/70683
1522         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
1523         * fold-const.c (operand_equal_p): If flag_checking and
1524         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
1525         and if it returns non-zero, assert iterative_hash_expr on both
1526         args is the same.
1528 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
1530         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
1532 2016-04-27  Nick Clifton  <nickc@redhat.com>
1534         PR middle-end/49889
1535         * varasm.c (merge_weak): Generate an error if an attempt is made
1536         to convert a non-weak static function into a weak, public function.
1538 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1540         * params.def (MAX_PARTITION_SIZE): New param.
1541         * doc/invoke.texi: Document lto-max-partition.
1543 2016-04-27  Richard Biener  <rguenther@suse.de>
1545         PR ipa/70785
1546         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
1547         function cummulating used_from_other_partition, externally_visible
1548         and force_output from aliases.
1549         (refered_from_nonlocal_var): Likewise.
1550         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
1551         node flags properly.
1553 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
1555         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
1556         (-Wmemset-elt-size): New item.
1558 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1560         PR ada/70759
1561         * stor-layout.h (internal_reference_types): Delete.
1562         * stor-layout.c (reference_types_internal): Likewise.
1563         (internal_reference_types): Likewise.
1564         (layout_type) <REFERENCE_TYPE>: Adjust.
1566 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
1568         PR sanitizer/70683
1569         * tree.h (inchash::add_expr): Add FLAGS argument.
1570         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
1571         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
1572         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
1573         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
1574         if swap_tree_comparison (code) is smaller than code, hash that
1575         and arguments in the other order.  Hash CONVERT_EXPR the same
1576         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
1577         of ADDR_EXPR of decl as the decl itself.  Add or remove
1578         OEP_ADDRESS_OF from recursive flags as needed.  For
1579         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
1580         operands commutatively and only the third one normally.
1581         For internal CALL_EXPR hash in CALL_EXPR_IFN.
1583 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1585         * config/rtems.h (LIB_SPEC): Add -latomic.
1587 2016-04-27  Joel Sherrill  <joel@rtems.org>
1589         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
1590         xilink.ld and flags not relevant to RTEMS.
1592 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
1594         * toplev.c (backend_init_target): Avoid calling init_reload when using
1595         LRA.
1597 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
1599         * reorg.c (try_merge_delay_insns): Declare i and j inside the
1600         for loops rather than one for the whole function.
1602 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
1604         * match.pd (X + CST CMP X): New transformation.
1606 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
1608         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
1609         * fold-const.c (fold_binary_loc): Remove 2 transformations
1610         superseded by match.pd.
1611         * match.pd (x+x -> x*2): Generalize to integers.
1613 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
1615         * config/i386/i386.md (operation on memory peephole): Duplicate an
1616         existing peephole and adapt it to match lea rather than an operation
1617         that clobbers CC.
1619         PR rtl-optimization/57193
1620         * opts.c (default_options_table): Add OPT_frename_registers at -O2
1621         and above.
1622         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
1624 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
1626         * tree-if-conv.c (any_pred_load_store): New static variable.
1627         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
1628         any_pred_load_store instead of and_mask_load_store.
1629         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
1630         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
1631         (combine_blocks, tree_if_conversion): Ditto.
1633 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
1635         PR tree-optimization/70771
1636         PR tree-optimization/70775
1637         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
1638         virtual PHI nodes.  Delete parameter.
1639         (if_convertible_loop_p_1): Delete argument to above function.
1640         (predicate_all_scalar_phis): Delete code handling single-argument
1641         PHIs.
1642         (tree_if_conversion): Mark and update virtual SSA.
1644 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1646         PR target/61821
1647         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
1648         (x86_elf_aligned_common): Rename to ...
1649         (x86_elf_aligned_decl_common): ... this.
1650         Add decl arg.  Switch to .lbss for largecomm object.  Use
1651         LARGECOMM_SECTION_ASM_OP.
1652         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
1653         renaming.
1654         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
1655         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
1656         Pass new decl arg.
1657         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
1658         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
1660 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1662         PR target/59407
1663         * config/i386/i386.c (SECTION_LARGE): Define.
1664         (x86_64_elf_select_section): Set it for large data/bss sections.
1665         Only clear SECTION_WRITE for .lrodata.
1666         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
1667         data/bss sections.
1668         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
1669         * varasm.c (default_elf_asm_named_section): Grow flagchars.
1670         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
1671         SECTION_MACH_DEP.
1672         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
1673         * doc/tm.texi: Regenerate.
1675 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
1677         PR bootstrap/70704
1678         * configure.ac (--enable-checking): Document extra flag, for
1679         non-release builds default to --enable-checking=yes,extra.
1680         If misc checking and extra checking, define CHECKING_P to 2 instead
1681         of 1.
1682         * common.opt (fchecking=): Add.
1683         * doc/invoke.texi (-fchecking=): Document.
1684         * doc/install.texi: Document --enable-checking changes.
1685         * configure: Regenerated.
1686         * config.in: Regenerated.
1688 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1690         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
1691         attribute instead of which_alternative.
1692         * config/i386/sse.md (*mov<mode>_internal): Ditto.
1693         Use EXT_REX_SSE_REG_P where appropriate.
1695 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1697         * config/i386/predicates.md (const0_operand): Do not match
1698         const_wide_int code.
1699         (const1_operand): Ditto.
1701 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1703         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
1704         for SSE constm1 operands and TARGET_AVX512VL.
1705         (*movti_internal): Ditto.
1706         (*mov<mode>_or): Use constm1_operand predicate.
1707         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
1708         for SSE vector_all_ones operands and TARGET_AVX512VL.
1709         * config/i386/predicates.md (constm1_operand): New predicate.
1710         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
1711         emission of constant -1 load.
1713 2016-04-25  Jason Merrill  <jason@redhat.com>
1715         * gdbinit.in: Skip is-a.h.
1717         * attribs.c (register_scoped_attributes): Fix logic.
1718         * attribs.h: Declare register_scoped_attributes.
1720 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1722         * config/rs6000/rs6000-builtin.def: Correct pasto error for
1723         stxvd2x and stxvw4x built-in functions.
1725 2016-04-25  DJ Delorie  <dj@redhat.com>
1727         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
1728         (ashrhi3): Likewise.
1729         (lshrhi3): Likewise.
1731 2016-04-25  Richard Biener  <rguenther@suse.de>
1733         PR tree-optimization/70780
1734         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
1735         wasn't visited yet.
1736         (compute_antic): Mark blocks with abnormal preds as visited as
1737         they have a final empty antic-in solution already.
1739 2016-04-25  Michael Collison  <michael.collison@linaro.org>
1741         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
1743 2016-04-25  Michael Collison  <michael.collison@linaro.org>
1745         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
1746         mode is VQI to improve mixed mode vectorization.
1747         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
1748         define_insn to match low half of signed vaddw.
1749         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
1750         define_insn to match high half of signed vaddw.
1751         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
1752         define_insn to match low half of unsigned vaddw.
1753         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
1754         define_insn to match high half of unsigned vaddw.
1755         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
1756         (arm_simd_check_vect_par_cnst_half_p): Likewise.
1757         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
1758         for new function.
1759         (arm_simd_check_vect_par_cnst_half_p): Likewise.
1760         * config/arm/predicates.md (vect_par_constant_high): Support
1761         big endian and simplify by calling
1762         arm_simd_check_vect_par_cnst_half
1763         (vect_par_constant_low): Likewise.
1765 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1767         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
1768         predicate for operand 2.
1770 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
1771             H.J. Lu  <hongjiu.lu@intel.com>
1773         * config/i386/i386-protos.h (standard_sse_constant_p): Add
1774         machine_mode argument.
1775         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
1776         constm1_rtx operands.  For VOIDmode constants, get mode from
1777         pred_mode.  Check mode size if the mode is supported by ABI.
1778         (standard_sse_constant_opcode): Do not use standard_constant_p.
1779         Strictly check ABI support for all-ones operands.
1780         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
1781         immediates. Update calls to standard_sse_constant_p.
1782         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
1783         (ix86_rtx_costs): Ditto.
1784         * config/i386/i386.md (*movxi_internal_avx512f): Use
1785         nonimmediate_or_sse_const_operand instead of vector_move_operand.
1786         Use (v,BC) alternative instead of (v,C). Use register_operand
1787         checks instead of MEM_P.
1788         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
1789         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
1790         isa attribute.  Use register_operand checks instead of MEM_P.
1791         (*movti_internal): Use nonimmediate_or_sse_const_operand for
1792         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
1793         alternative and corresponding sse2 isa attribute.
1794         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
1795         to standard_sse_constant_p.
1796         (FP constant splitters): Ditto.
1797         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
1798         (C): Ditto.
1799         * config/i386/predicates.md (constm1_operand): Remove.
1800         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
1801         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
1802         vector_all_ones_operand instead of constm1_operand.
1804 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1806         * print-rtl.c (print_rtx_insn_vec): New function.
1807         * print-rtl.h: New prototype.
1808         * store-motion.c (struct st_expr): Make avail_stores a vector.
1809         (st_expr_entry): Adjust.
1810         (free_st_expr_entry): Likewise.
1811         (print_store_motion_mems): Likewise.
1812         (find_moveable_store): Likewise.
1813         (compute_store_table): Likewise.
1814         (delete_store): Likewise.
1815         (build_store_vectors): Likewise.
1817 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1819         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
1821 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1823         * vec.h (vec_safe_contains): New function.
1824         (vec::contains): Likewise.
1825         (vec::begin): Likewise.
1826         (vec::end): Likewise.
1828 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
1830         PR sanitizer/70712
1831         * cfgexpand.c (expand_stack_vars): Fix typo.
1833 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1835         * system.h (list, map, set, vector): Include conditionally.
1836         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
1837         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
1838         * ipa-icf.c (INCLUDE_LIST): Define.
1839         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
1840         * config/sh/sh.c (INCLUDE_VECTOR): Define.
1841         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
1842         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
1843         * cp/logic.cc (INCLUDE_LIST): Define.
1844         * fortran/trans-common.c (INCLUDE_MAP): Define.
1846 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1848         * auto-profile.c: Remove <string.h> include.
1849         * ipa-icf-gimple.c: Remove <list> include.
1850         * diagnostic.c: Remove <new> include.
1851         * genmatch.c: Likewise.
1852         * pretty-print.c: Likewise.
1853         * toplev.c: Likewise
1854         * c/c-objc-common.c: Likewise.
1855         * cp/error.c: Likewise.
1856         * fortran/error.c: Likewise.
1858 2016-04-22  Richard Biener  <rguenther@suse.de>
1860         * lto-streamer-in.c (input_ssa_names): Do not allocate
1861         GIMPLE_NOP for all SSA names.
1862         * lto-streamer-out.c (output_ssa_names): Do not output
1863         SSA names that should have been released.
1865 2016-04-22  Richard Biener  <rguenther@suse.de>
1867         PR tree-optimization/70740
1868         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
1869         VDEF.
1871 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
1873         PR target/70750
1874         * config/i386/predicates.md (call_insn_operand): Replace
1875         sibcall_memory_operand with memory_operand.
1877 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
1879         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
1880         has_single_use() tests.
1881         (register_edge_assert_for_1): Likewise.
1882         (find_assert_locations_1): Check the liveness bitmap instead of
1883         checking has_single_use().
1885 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
1887         PR target/70728
1888         * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
1889         Extract AVX-512BW constraint from AVX.
1891 2016-04-21  Richard Biener  <rguenther@suse.de>
1893         PR tree-optimization/70725
1894         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
1895         for phi_convertible_by_degenerating_args.
1896         (predicate_all_scalar_phis): Handle single-argument PHIs.
1898 2016-04-21  Richard Biener  <rguenther@suse.de>
1900         PR middle-end/70747
1901         * fold-const.c (fold_comparison): Return properly typed
1902         constant boolean.
1904 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
1906         PR tree-optimization/70715
1907         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
1908         after expanding BASE using expand_simple_operations.
1910 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
1912         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
1913         New transformations.
1915 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
1917         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
1919 2016-04-20  Jan Hubicka  <jh@suse.cz>
1921         * ipa-inline.c (can_inline_edge_p): Pass caller info to
1922         ultiimate_alias_target.
1923         (update_callee_keys): Likewise.
1924         (lookup_recursive_calls): Likewise.
1925         (speculation_useful_p): Likewise.
1927 2016-04-20  Jan Hubicka  <jh@suse.cz>
1929         PR ipa/70018
1930         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
1931         (set_nothrow_flag_1): ... this; handle interposition correctly;
1932         recurse on aliases and thunks.
1933         (cgraph_node::set_nothrow_flag): New.
1934         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
1935         functions compiled with non-call exceptions that binds to current
1936         def.
1937         (propagate_nothrow): Be safe WRT interposition.
1938         * cgraph.h (set_nothrow_flag): Update prototype.
1940 2016-04-18  Jan Hubicka  <jh@suse.cz>
1942         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
1943         max_loop_iterations_int.
1944         (tree_unswitch_outer_loop): Likewise.
1946 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1948         PR tree-optimization/69489
1949         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
1950         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
1951         Revise dump message.
1952         (if_convertible_bb_p): Remove check on edge count of basic block's
1953         predecessors.
1955 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1957         PR tree-optimization/56625
1958         PR tree-optimization/69489
1959         * tree-data-ref.h (DR_INNERMOST): New macro.
1960         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
1961         hashing struct innermost_loop_behavior.
1962         (ref_DR_map): Remove.
1963         (innermost_DR_map): New map.
1964         (baseref_DR_map): Revise comment.
1965         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
1966         to innermost_DR_map accroding to its innermost loop behavior.
1967         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
1968         to its innermost loop behavior.
1969         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
1970         Add initialization for innermost_DR_map.  Record memory reference
1971         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
1972         have innermost loop behavior.
1973         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
1974         innermost_DR_map.
1976 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
1978         * config/i386/i386.md (*lea<mode>_general_1): Rename from
1979         *lea_general_1.  Use explicit SWI12 mode interator.
1980         (*lea<mode>_general_2): Rename from *lea_general_2.
1981         Use explicit SWI12 mode interator.
1982         (*lea<mode>_general_3): Rename from *lea_general_3.
1983         Use explicit SWI12 mode interator.
1984         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
1985         Use explicit SWI12 mode interator.
1986         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
1987         Use explicit SWI48 mode interator.
1989 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
1991         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1992         Short-cut unaligned load and store cases.  Handle all integer
1993         vector modes.
1994         (ix86_expand_vector_move_misalign): Short-cut unaligned load
1995         and store cases.  Call ix86_avx256_split_vector_move_misalign
1996         directly without checking mode class.
1998 2016-04-20  Andrew Pinski  <apinski@cavium.com>
1999             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2001         PR target/64971
2002         * config/aarch64/aarch64.md (sibcall): Force call
2003         address to be DImode for ILP32.
2004         (sibcall_value): Likewise.
2006 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
2008         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
2010 2016-04-20  Richard Biener  <rguenther@suse.de>
2012         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
2013         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
2014         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
2015         (maybe_push_res_to_seq): Adjust.
2016         * gimple-fold.c (maybe_build_generic_op): Likewise.
2018 2016-04-20  Marek Polacek  <polacek@redhat.com>
2020         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
2021         rather than true.
2023 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
2025         * config/i386/sse.md (vec_unpacks_lo_hi): Always
2026         use kmovw to support AVX512F target.
2028 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
2030         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
2032 2016-04-20  Marek Polacek  <polacek@redhat.com>
2034         PR tree-optimization/70725
2035         * tree-if-conv.c (is_false_predicate): New function.
2036         (predicate_mem_writes): Use it.
2038 2016-04-20  Richard Biener  <rguenther@suse.de>
2040         PR tree-optimization/70726
2041         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
2042         shift amounts from a pattern stmt operand.
2044 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2046         PR target/70674
2047         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
2048         stack_restore_from_fpr pattern when restoring r15.
2049         (s390_optimize_prologue): Strip away the memory barrier in the
2050         parallel when trying to get rid of restore insns.
2051         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
2052         definition for loading the stack pointer from an FPR.  Compared to
2053         the normal move insn this pattern includes a full memory barrier.
2055 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
2057         PR middle-end/70680
2058         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
2059         implicitly linear or lastprivate iterator on the outer context.
2061 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
2063         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
2064         alignment check.
2065         * config/i386/i386.md (ssememalign): Removed.
2066         * config/i386/sse.md: Remove ssememalign attribute from patterns.
2068 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
2070         PR target/69201
2071         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
2072         const short * to __builtin_ia32_loaddquhi512_mask.
2073         (_mm512_maskz_loadu_epi16): Likewise.
2074         (_mm512_mask_storeu_epi16): Pass short * to
2075         __builtin_ia32_storedquhi512_mask.
2076         (_mm512_mask_loadu_epi8): Pass const char * to
2077         __builtin_ia32_loaddquqi512_mask.
2078         (_mm512_maskz_loadu_epi8): Likewise.
2079         (_mm512_mask_storeu_epi8): Pass char * to
2080         __builtin_ia32_storedquqi512_mask.
2081         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
2082         const double * to __builtin_ia32_loadupd512_mask.
2083         (_mm512_mask_loadu_pd): Likewise.
2084         (_mm512_maskz_loadu_pd): Likewise.
2085         (_mm512_storeu_pd): Pass double * to
2086         __builtin_ia32_storeupd512_mask.
2087         (_mm512_mask_storeu_pd): Likewise.
2088         (_mm512_loadu_ps): Pass const float * to
2089         __builtin_ia32_loadups512_mask.
2090         (_mm512_mask_loadu_ps): Likewise.
2091         (_mm512_maskz_loadu_ps): Likewise.
2092         (_mm512_storeu_ps): Pass float * to
2093         __builtin_ia32_storeups512_mask.
2094         (_mm512_mask_storeu_ps): Likewise.
2095         (_mm512_mask_loadu_epi64): Pass const long long * to
2096         __builtin_ia32_loaddqudi512_mask.
2097         (_mm512_maskz_loadu_epi64): Likewise.
2098         (_mm512_mask_storeu_epi64): Pass long long *
2099         to __builtin_ia32_storedqudi512_mask.
2100         (_mm512_loadu_si512): Pass const int * to
2101         __builtin_ia32_loaddqusi512_mask.
2102         (_mm512_mask_loadu_epi32): Likewise.
2103         (_mm512_maskz_loadu_epi32): Likewise.
2104         (_mm512_storeu_si512): Pass int * to
2105         __builtin_ia32_storedqusi512_mask.
2106         (_mm512_mask_storeu_epi32): Likewise.
2107         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
2108         char * to __builtin_ia32_storedquqi256_mask.
2109         (_mm_mask_storeu_epi8): Likewise.
2110         (_mm256_mask_loadu_epi16): Pass const short * to
2111         __builtin_ia32_loaddquhi256_mask.
2112         (_mm256_maskz_loadu_epi16): Likewise.
2113         (_mm_mask_loadu_epi16): Pass const short * to
2114         __builtin_ia32_loaddquhi128_mask.
2115         (_mm_maskz_loadu_epi16): Likewise.
2116         (_mm256_mask_loadu_epi8): Pass const char * to
2117         __builtin_ia32_loaddquqi256_mask.
2118         (_mm256_maskz_loadu_epi8): Likewise.
2119         (_mm_mask_loadu_epi8): Pass const char * to
2120         __builtin_ia32_loaddquqi128_mask.
2121         (_mm_maskz_loadu_epi8): Likewise.
2122         (_mm256_mask_storeu_epi16): Pass short * to.
2123         __builtin_ia32_storedquhi256_mask.
2124         (_mm_mask_storeu_epi16): Pass short * to.
2125         __builtin_ia32_storedquhi128_mask.
2126         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
2127         const double * to __builtin_ia32_loadupd256_mask.
2128         (_mm256_maskz_loadu_pd): Likewise.
2129         (_mm_mask_loadu_pd): Pass onst double * to
2130         __builtin_ia32_loadupd128_mask.
2131         (_mm_maskz_loadu_pd): Likewise.
2132         (_mm256_mask_storeu_pd): Pass double * to
2133         __builtin_ia32_storeupd256_mask.
2134         (_mm_mask_storeu_pd): Pass double * to
2135         __builtin_ia32_storeupd128_mask.
2136         (_mm256_mask_loadu_ps): Pass const float * to
2137         __builtin_ia32_loadups256_mask.
2138         (_mm256_maskz_loadu_ps): Likewise.
2139         (_mm_mask_loadu_ps): Pass const float * to
2140         __builtin_ia32_loadups128_mask.
2141         (_mm_maskz_loadu_ps): Likewise.
2142         (_mm256_mask_storeu_ps): Pass float * to
2143         __builtin_ia32_storeups256_mask.
2144         (_mm_mask_storeu_ps): ass float * to
2145         __builtin_ia32_storeups128_mask.
2146         (_mm256_mask_loadu_epi64): Pass const long long * to
2147         __builtin_ia32_loaddqudi256_mask.
2148         (_mm256_maskz_loadu_epi64): Likewise.
2149         (_mm_mask_loadu_epi64): Pass const long long * to
2150         __builtin_ia32_loaddqudi128_mask.
2151         (_mm_maskz_loadu_epi64): Likewise.
2152         (_mm256_mask_storeu_epi64): Pass long long * to
2153         __builtin_ia32_storedqudi256_mask.
2154         (_mm_mask_storeu_epi64): Pass long long * to
2155         __builtin_ia32_storedqudi128_mask.
2156         (_mm256_mask_loadu_epi32): Pass const int * to
2157         __builtin_ia32_loaddqusi256_mask.
2158         (_mm256_maskz_loadu_epi32): Likewise.
2159         (_mm_mask_loadu_epi32): Pass const int * to
2160         __builtin_ia32_loaddqusi128_mask.
2161         (_mm_maskz_loadu_epi32): Likewise.
2162         (_mm256_mask_storeu_epi32): Pass int * to
2163         __builtin_ia32_storedqusi256_mask.
2164         (_mm_mask_storeu_epi32): Pass int * to
2165         __builtin_ia32_storedqusi128_mask.
2166         * config/i386/i386-builtin-types.def (PCSHORT): New.
2167         (PINT64): Likewise.
2168         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
2169         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
2170         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
2171         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
2172         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
2173         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
2174         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
2175         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
2176         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
2177         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
2178         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
2179         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
2180         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
2181         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
2182         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
2183         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
2184         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
2185         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
2186         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
2187         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
2188         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
2189         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
2190         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
2191         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
2192         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
2193         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
2194         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
2195         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
2196         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
2197         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
2198         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
2199         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
2200         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
2201         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
2202         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
2203         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
2204         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
2205         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
2206         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
2207         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
2208         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
2209         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
2210         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
2211         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
2212         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
2213         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
2214         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
2215         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
2216         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
2217         use UNSPEC_STOREU.
2218         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
2219         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
2220         load nor store.
2221         (ix86_expand_vector_move_misalign): Likewise.
2222         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
2223         to scalar function prototype for unaligned load/store builtins.
2224         (ix86_expand_special_args_builtin): Updated.
2225         * config/i386/sse.md (UNSPEC_LOADU): Removed.
2226         (UNSPEC_STOREU): Likewise.
2227         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
2228         (VI_ULOADSTORE_F_AVX512VL): Likewise.
2229         (ssescalarsize): Handle V4TI, V2TI and V1TI.
2230         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
2231         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
2232         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
2233         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
2234         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
2235         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
2236         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
2237         (<avx512>_storedqu<mode>_mask): Likewise.
2238         (*sse4_2_pcmpestr_unaligned): Likewise.
2239         (*sse4_2_pcmpistr_unaligned): Likewise.
2240         (*mov<mode>_internal): Renamed to ...
2241         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
2242         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
2243         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
2244         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
2246 2016-04-19  Richard Biener  <rguenther@suse.de>
2248         PR tree-optimization/70171
2249         * tree-ssa-phiprop.c: Include stor-layout.h.
2250         (phiprop_insert_phi): Handle the aggregate copy case.
2251         (propagate_with_phi): Likewise.
2253 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
2255         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
2256         instead of simplify_gen_subreg (... , 0).
2257         (ix86_delegitimize_address): Ditto.
2258         (ix86_split_divmod): Ditto.
2259         (ix86_split_copysign_const): Ditto.
2260         (ix86_split_copysign_var): Ditto.
2261         (ix86_expand_args_builtin): Ditto.
2262         (ix86_expand_round_builtin): Ditto.
2263         (ix86_expand_special_args_builtin): Ditto.
2264         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
2265         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
2266         (udivmodqi4): Ditto.
2267         (absneg splitters): Ditto.
2268         (*jcc_bt<mode>_1): Ditto.
2270 2016-04-19  Richard Biener  <rguenther@suse.de>
2272         PR tree-optimization/70724
2273         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
2274         restoring out from ...
2275         (free_scc_vn): ... here.
2276         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
2277         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
2278         tail merging.
2279         (pass_fre::execute): Restore SSA info.
2281 2016-04-19  Richard Biener  <rguenther@suse.de>
2283         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
2284         * gimple-walk.c (walk_gimple_op): Initialize it.
2285         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
2286         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
2287         remapping SSA names of defs.
2288         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
2289         adjustment.
2291 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
2293         PR middle-end/70689
2294         * lra-constraints.c (equiv_substition_p): New.
2295         (process_alt_operands): Use it.
2296         (swap_operands): Swap it.
2297         (curr_insn_transform): Update it.
2299 2016-04-18  Michael Matz  <matz@suse.de>
2301         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
2302         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
2303         * tree-core.h (tree_type_common.align): Use bit-field.
2304         (tree_type_common.spare): New.
2305         (tree_decl_common.off_align): Make smaller.
2306         (tree_decl_common.align): Use bit-field.
2308         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
2309         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
2310         (scan_sharing_clauses): Ditto.
2311         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2312         (omp_finish_file): Ditto.
2313         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
2314         (layout_decl): Ditto.
2315         (relayout_decl): Ditto.
2316         (finalize_record_size): Use SET_TYPE_ALIGN.
2317         (finalize_type_size): Ditto.
2318         (finish_builtin_struct): Ditto.
2319         (layout_type): Ditto.
2320         (initialize_sizetypes): Ditto.
2321         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
2322         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
2323         (lookup_field_for_decl): Use SET_DECL_ALIGN.
2324         (get_chain_field): Ditto.
2325         (get_trampoline_type): Ditto.
2326         (get_nl_goto_field): Ditto.
2327         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2328         SET_DECL_ALIGN.
2329         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
2330         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
2331         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2332         (build_qualified_type): Use SET_TYPE_ALIGN.
2333         (build_aligned_type, build_range_type_1): Ditto.
2334         (build_atomic_base): Ditto.
2335         (build_common_tree_nodes): Ditto.
2336         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
2337         (expand_one_stack_var_at): Ditto.
2338         * coverage.c (build_var): Use SET_DECL_ALIGN.
2339         * except.c (init_eh): Ditto.
2340         * function.c (assign_parm_setup_block): Ditto.
2341         * symtab.c (increase_alignment_1): Ditto.
2342         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
2343         * tree-vect-stmts.c (ensure_base_align): Ditto.
2344         * varasm.c (align_variable): Ditto.
2345         (assemble_variable): Ditto.
2346         (build_constant_desc): Ditto.
2347         (output_constant_def_contents): Ditto.
2349         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
2350         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
2351         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
2352         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
2353         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
2355 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
2357         PR target/70708
2358         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
2359         replace %vmovsd with "%vmovq".
2360         (vec_concatv2df): Likewise.
2362 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
2364         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
2365         (*vec_extractv2si_0): Ditto.
2366         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
2367         (zero_extended_scalar_load_operand splitters): Ditto.
2368         (vec_extract splitters): Ditto.
2369         (*vec_extractv4si_0_zext): Ditto.
2370         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
2371         and lowpart_subreg.
2372         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
2373         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
2374         (*sse4_1_extractps): Use lowpart_subreg.
2376 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2378         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
2379         gld requirements.
2380         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
2381         Mention Solaris 11 packaging changes.
2382         Update gas and gld requirements.
2383         Remove reference to pre-Solaris 10 bug.
2384         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
2385         systems and bugs.
2386         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
2387         with cc.
2389 2016-04-17  Jan Hubicka  <jh@suse.cz>
2391         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
2392         max_loop_iterations_int.
2394 2016-04-18  Richard Biener  <rguenther@suse.de>
2396         PR tree-optimization/43434
2397         * tree-ssa-structalias.c (struct vls_data): New.
2398         (visit_loadstore): Handle all pointer-based accesses.
2399         (compute_dependence_clique): Compute a bitmap of restrict tags
2400         assigned bases and pass it to visit_loadstore.
2402 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
2404         PR target/70711
2405         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
2406         armv8.1-a and armv8.1-a+crc.
2408 2016-04-18  Richard Biener  <rguenther@suse.de>
2410         PR tree-optimization/70701
2411         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
2412         references after translating through a memcpy.
2414 2016-04-18  Richard Biener  <rguenther@suse.de>
2416         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
2417         (compute_antic): ... here.  For partial antic use regular
2418         postorder and scrap iteration.
2419         (compute_partial_antic_aux): Remove unused return value.
2420         (init_pre): Do not allocate postorder.
2421         (fini_pre): Do not free postorder.
2423 2016-04-18  Richard Biener  <rguenther@suse.de>
2425         PR middle-end/37870
2426         * expmed.c (extract_bit_field_1): Remove broken case
2427         using a wider MODE_INT mode.
2429 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
2431         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
2432         unless compiling with at least GCC-4.8.
2434 2016-04-17  Jan Hubicka  <jh@suse.cz>
2436         PR bootstrap/70706
2437         * graphite.c (graphite_finalize): Update call to
2438         tree_estimate_probability.
2439         * predict.h (tree_estimate_probability): Update prototype.
2441 2016-04-17  Jan Hubicka  <jh@suse.cz>
2443         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
2444         (tree_estimate_probability): Likewise.
2445         (pass_profile::execute): Update.
2446         (report_predictor_hitrates): New function.
2447         * profile.c (compute_branch_probabilities): Use it.
2448         * predict.h (report_predictor_hitrates): Declare.
2450 2016-04-17  Jan Hubicka  <jh@suse.cz>
2452         PR ipa/70018
2453         * cgraph.h (cgraph_node::set_const_flag,
2454         cgraph_node::set_pure_flag): Update prototype to return bool;
2455         update comment.
2456         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
2457         of interposable symbol are interposable, too.
2458         (cgraph_set_const_flag_1): Rename to ...
2459         (set_const_flag_1): ... this one; change to self recursive function
2460         instead of call_for_symbol_thunks_and_aliases. Handle correctly
2461         clearnig the flag in all variants and also virtual thunks of const
2462         functions are pure; track if any change was done.
2463         (cgraph_node::set_const_flag): Update.
2464         (struct set_pure_flag_info): New struct.
2465         (cgraph_set_pure_flag_1): Rename to ...
2466         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
2467         rather than pointer encoded flags; track if any changes was done;
2468         handle correctly clearning flag and setting flag of aliases already
2469         declared const.
2470         (cgraph_node::set_pure_flag): Update.
2471         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
2473 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2475         PR other/70433
2476         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
2477         backslash in label.
2479 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2481         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
2482         '{}<> ' as escape-for-record.
2484 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2486         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
2487         structure.
2489 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2491         PR other/70185
2492         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
2493         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
2494         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
2495         * passes.c (finish_optimization_passes): Only call
2496         finish_graph_dump_file if dfi->graph_dump_initialized.
2497         (execute_function_dump, pass_init_dump_file): Use
2498         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
2500 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2502         PR tree-optimization/70256
2503         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
2504         (debug_varmap): New function.
2506 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2508         PR other/70183
2509         * passes.c (pass_manager::register_pass): Propagate pflags.
2511 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2513         PR other/68875
2514         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
2515         * passes.c (pass_manager::pass_manager): Declare and init p_start in
2516         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
2517         check if it's equal to p_start.
2518         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
2520 2016-04-15  Jan Hubicka  <jh@suse.cz>
2522         PR ipa/70018
2523         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
2524         function does not bind to current def.
2525         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
2526         handle conservatively calls to functions that does not need to bind
2527         to current def.
2528         (check_call): Update call of worse_state.
2529         (ignore_edge_for_nothrow): Update.
2530         (ignore_edge_for_pure_const): Likewise.
2531         (propagate_pure_const): Update calls to worse_state.
2532         (skip_function_for_local_pure_const): Reformat comments.
2534 2016-04-15  Jan Hubicka  <jh@suse.cz>
2536         PR ipa/70018
2537         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
2538         (cgraph_node::function_symbol): Likewise.
2539         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2540         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
2541         (symtab_node::ultimate_alias_target): Add REF parameter.
2542         (symtab_node::binds_to_current_def_p): Declare.
2543         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
2544         (cgraph_node::function_symbol): Likewise.
2545         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2546         (cgraph_node::get_availability): Likewise.
2547         (cgraph_edge::binds_to_current_def_p): New inline function.
2548         (varpool_node::get_availability): Add REF parameter.
2549         (varpool_node::ultimate_alias_target): Likewise.
2550         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
2551         (symtab_node::binds_to_current_def_p): Likewise.
2552         * varpool.c (varpool_node::get_availability): Likewise.
2554 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
2556         PR target/70662
2557         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
2558         Fix mode size check.
2560 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
2562         * BASE-VER: Set to 7.0.0.
2564 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
2566         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
2568 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2570         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
2571         architecture revisions.
2573 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
2575         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
2576         * config/i386/i386.c (ix86_using_red_zone): No longer static.
2577         * config/i386/i386.md (stack decrement to push peepholes): Guard
2578         with !x86_using_red_zone ().
2580 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
2582         PR c++/70675
2583         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
2584         to dump_generic_node.
2585         (NIY): Pass also flags to do_niy.
2587 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
2589         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
2590         (simd_clone_vector_of_formal_parm_types)
2591         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
2592         (simd_clone_mangle, simd_clone_create)
2593         (simd_clone_adjust_return_type, create_tmp_simd_array)
2594         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
2595         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
2596         (ipa_simd_modify_function_body, simd_clone_linear_addend)
2597         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
2598         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
2599         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
2600         * omp-simd-clone.c: ... this new file.
2601         (simd_clone_vector_of_formal_parm_types): Make it static.
2602         * Makefile.in (OBJS): Add omp-simd-clone.o.
2604 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
2606         PR target/70662
2607         * config/i386/sse.md: Use proper memory operand modifiers.
2610 2016-04-15  Richard Biener  <rguenther@suse.de>
2611         Alan Modra  <amodra@gmail.com>
2613         PR tree-optimization/70130
2614         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
2615         when alignment stays not the same and no not use the realign
2616         scheme then.
2618 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2620         PR target/70669
2621         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2622         direct move handlers for KFmode. Change TFmode handlers test from
2623         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
2625 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
2627         PR c++/70594
2628         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
2629         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
2630         (inlined_polymorphic_ctor_dtor_block_p): Use it.
2631         * tree-ssa-live.c (remove_unused_scope_block_p): When
2632         in_ctor_dtor_block, avoid discarding not just BLOCKs with
2633         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
2634         block_ultimate_origin is FUNCTION_DECL.
2635         (remove_unused_locals): If current_function_decl is
2636         polymorphic_ctor_dtor_p, pass initial true to
2637         remove_unused_scope_block_p' is_ctor_dtor_block.
2639 2016-04-14  Martin Sebor  <msebor@redhat.com>
2641         PR c++/69517
2642         PR c++/70019
2643         PR c++/70588
2644         * doc/extend.texi (Variable Length): Revert.
2646 2016-04-14  Marek Polacek  <polacek@redhat.com>
2647             Jan Hubicka  <hubicka@ucw.cz>
2649         PR c++/70029
2650         * tree.c (verify_type): Disable the canonical type of main variant
2651         check.
2653 2016-04-14  Jason Merrill  <jason@redhat.com>
2655         * cfgexpand.c, expr.c: Revert previous change.
2657 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
2659         PR middle-end/70643
2660         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
2661         when building a mem ref for the incoming reduction variable.
2663 2016-04-14  Richard Biener  <rguenther@suse.de>
2665         PR tree-optimization/70614
2666         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
2667         loop if the evolution dropped to chrec_dont_know.
2668         (interpret_condition_phi): Likewise.
2670 2016-04-14  Richard Biener  <rguenther@suse.de>
2672         PR tree-optimization/70623
2673         * tree-ssa-pre.c (changed_blocks): Make global ...
2674         (compute_antic): ... local here.  Move and fix worklist
2675         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
2676         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
2677         worklist handling, dump when ANTIC_IN changed.
2678         (compute_partial_antic_aux): Remove worklist handling.
2679         (init_pre): Do not compute post dominators.  Add a comment about
2680         the CFG order chosen.
2681         (fini_pre): Do not free post dominators.
2683 2016-04-13  Martin Sebor  <msebor@redhat.com>
2685         PR c++/69517
2686         PR c++/70019
2687         PR c++/70588
2688         * doc/extend.texi (Variable Length): Document C++ specifics.
2690 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
2692         PR c++/70641
2693         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
2694         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
2695         eh edges have been purged.
2697         PR c++/70594
2698         * tree-sra.c (create_access_replacement,
2699         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
2700         gets fancy name.
2701         * tree-pretty-print.c (dump_fancy_name): New function.
2702         (dump_decl_name, dump_generic_node): Use it.
2704 2016-04-13  Jason Merrill  <jason@redhat.com>
2706         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
2707         * expr.c (expand_expr_real_1): Likewise.
2709 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
2711         * config/i386/i386.md (kunpckhi): Swap operands.
2712         (kunpcksi): Likewise.
2713         (kunpckdi): Likewise.
2714         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
2715         (vec_pack_trunc_<mode>): Likewise.
2717 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
2719         PR debug/70628
2720         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
2722         PR middle-end/70633
2723         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
2724         gimplification turns some element into non-constant.
2726         PR debug/70628
2727         * rtl.h (convert_memory_address_addr_space_1): New prototype.
2728         * explow.c (convert_memory_address_addr_space_1): No longer static,
2729         add NO_EMIT argument and don't call convert_modes if true, pass
2730         it down recursively, remove break after return.
2731         (convert_memory_address_addr_space): Adjust caller.
2732         * simplify-rtx.c (simplify_unary_operation_1): Call
2733         convert_memory_address_addr_space_1 instead of convert_memory_address,
2734         if it returns NULL, don't simplify.
2736 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2738         PR target/70630
2739         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
2741 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2743         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2744         Bump the upper SIMDLEN limits, so that if the return type or
2745         characteristic type if the return type is void can be passed in
2746         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
2747         allowed.
2749 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2751         PR target/70640
2752         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
2753         Do not use "=" constraint on an input constraint.
2754         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
2755         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
2756         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
2757         generates (neg (abs ...)) instead of (abs ...).
2759 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2761         PR rtl-optimization/70596
2762         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
2763         just invalidate LRA data and reset them.  Adjust dump wording.
2765 2016-04-12  Martin Liska  <mliska@suse.cz>
2767         Revert
2768         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2770         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2771         estimates here.
2772         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2773         max_loop_iterations_int.
2774         (tree_unswitch_outer_loop): Likewise.
2775         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2776         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2778 2016-04-12  Tom de Vries  <tom@codesourcery.com>
2780         PR tree-optimization/68756
2781         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
2782         instead of new_name.
2784 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2786         PR tree-optimization/70602
2787         * tree-sra.c (generate_subtree_copies): Don't write anything into
2788         constant pool decls.
2790         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
2791         regardless whether there are depend clauses or not.
2793 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2795         PR target/70381
2796         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
2797         target attribute and pragma from changing the -mfloat128
2798         and -mfloat128-hardware options.
2800         * doc/extend.texi (Additional Floating Types): Document PowerPC
2801         __float128 restrictions.
2803 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2805         PR target/70133
2806         * config/aarch64/driver-aarch64.c
2807         (aarch64_get_extension_string_for_isa_flags): New.
2808         (arch_extension): Rename to...
2809         (aarch64_arch_extension): ...This.
2810         (ext_to_feat_string): Rename to...
2811         (aarch64_extensions): ...This.
2812         (aarch64_core_data): Keep track of architecture extension flags.
2813         (cpu_data): Rename to...
2814         (aarch64_cpu_data): ...This.
2815         (aarch64_arch_driver_info): Keep track of architecture extension
2816         flags.
2817         (get_arch_name_from_id): Rename to...
2818         (get_arch_from_id): ...This, change return type.
2819         (host_detect_local_cpu): Update and reformat for renames, handle
2820         extensions through common infrastructure.
2822 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2824         PR target/70133
2825         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
2826         track of a canonical flag name.
2827         (all_extensions): Likewise.
2828         (arch_to_arch_name): Also track extension flags enabled by the arch.
2829         (all_architectures): Likewise.
2830         (aarch64_parse_extension): Move to here.
2831         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
2832         rework.
2833         (aarch64_rewrite_selected_cpu): Update for above change.
2834         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
2835         are handled, such that the single explicit value enabled by an
2836         extension is kept seperate from the implicit values it also enables.
2837         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
2838         to here.
2839         (aarch64_parse_extension): New.
2840         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
2841         here to config/aarch64/aarch64-protos.h.
2842         (aarch64_parse_extension): Move from here to
2843         common/config/aarch64/aarch64-common.c.
2844         (aarch64_option_print): Update.
2845         (aarch64_declare_function_name): Likewise.
2846         (aarch64_start_file): Likewise.
2847         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
2848         the canonical flag for extensions.
2849         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
2850         flags.
2852 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2854         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
2855         AARCH64_FL_CRC.
2857 2016-04-09  Tom de Vries  <tom@codesourcery.com>
2859         PR tree-optimization/68953
2860         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
2861         first to last subscript.
2863 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
2865         PR tree-optimization/70586
2866         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
2867         for any calls.
2869 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
2871         PR lto/70289
2872         PR ipa/70348
2873         PR tree-optimization/70373
2874         PR middle-end/70533
2875         PR middle-end/70534
2876         PR middle-end/70535
2877         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
2878         clauses for acc parallel reductions as necessary.  Error on those
2879         that are private.
2880         * omp-low.c (scan_sharing_clauses): Don't install variables which
2881         are used in acc parallel reductions.
2882         (lower_rec_input_clauses): Remove dead code.
2883         (lower_oacc_reductions): Add support for reference reductions.
2884         (lower_reduction_clauses): Remove dead code.
2885         (lower_omp_target): Don't remap variables appearing in acc parallel
2886         reductions.
2887         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
2889 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
2891         PR middle-end/70593
2892         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
2893         with multiple SSA_NAME defs, force the outputs other than first
2894         to be live before calling live_track_process_def on each output.
2896         PR rtl-optimization/70574
2897         * fwprop.c (forward_propagate_and_simplify): Don't add
2898         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
2899         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
2900         paradoxical subregs within *loc.
2902 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
2904         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
2905         -ftree-parallelize-loops={0,1}.
2906         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
2907         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
2908         * config/ia64/hpux.h (LIB_SPEC): Likewise.
2909         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2910         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
2912 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
2914         PR sanitizer/70541
2915         * asan.c (instrument_derefs): If we get unknown location, extract it
2916         with EXPR_LOCATION.
2917         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
2919 2016-04-08  Tom de Vries  <tom@codesourcery.com>
2921         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
2922         implicit firstprivate clause.
2924 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2926         PR target/70566
2927         * config/arm/thumb2.md (tst + branch-> lsls + branch
2928         peephole below *orsi_not_shiftsi_si): Require that condition
2929         register is dead after the peephole.
2930         (second peephole after the above): Likewise.
2932 2016-04-08  Alan Modra  <amodra@gmail.com>
2934         PR target/70117
2935         * builtins.c (fold_builtin_classify): For IBM extended precision,
2936         look at just the high-order double to test for NaN.
2937         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
2938         test just the high double for Inf but both doubles for subnormal
2939         limit.
2941 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
2943         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
2944         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
2945         node->simdclone->mask_mode != VOIDmode masks.
2946         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
2947         earlier, use it instead of node->simdclone.
2948         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2949         Set clonei->mask_mode.
2951 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2953         PR c/70436
2954         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
2955         Pass it through to cp_parser_already_scoped_statement.
2956         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
2957         it through to cp_parser_statement.
2958         (cp_parser_statement): Pass IF_P through to
2959         cp_parser_iteration_statement.
2960         (cp_parser_pragma): Adjust call to
2961         cp_parser_iteration_statement.
2963 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2965         PR c/70436
2966         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
2967         resolve a future -Wparentheses warning.
2968         * omp-low.c (scan_sharing_clauses): Likewise.
2969         * tree-parloops.c (eliminate_local_variables): Likewise.
2971 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
2973         PR rtl-optimization/70398
2974         * lra-constraints.c (process_address_1): Check zero scale and code
2975         for reloading with zero scale.
2977 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
2979         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
2980         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
2982 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
2984         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2985         Add support for AVX512F clones, include them by default for
2986         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
2987         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
2988         up to 128.
2990         PR middle-end/70550
2991         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
2992         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
2993         firstprivate clauses.
2994         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
2995         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
2996         (lower_omp_target): Set TREE_NO_WARNING for
2997         non-addressable possibly uninitialized vars which are copied into
2998         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
3000 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
3002         * config/pa/predicates.md (integer_store_memory_operand): Accept
3003         REG+D operands with a large offset when reload_in_progress is true.
3004         (floating_point_store_memory_operand): Likewise.
3006 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
3008         PR c++/70336
3009         * match.pd (nested int casts): Limit to GIMPLE.
3011 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
3013         PR ipa/66223
3014         * ipa-devirt.c (maybe_record_node): Fix comment; use
3015         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
3017 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
3019         PR rtl-optimization/70542
3020         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
3021         if there are any uses other than insn or debug insns.
3023 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
3024             Jakub Jelinek  <jakub@redhat.com>
3026         PR tree-optimization/70509
3027         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
3028         Shift HOST_WIDE_INT_1U instead of 1.
3030 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
3032         PR tree-optimization/70509
3033         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
3034         of the vector base type for index.
3036 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
3038         PR target/70510
3039         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
3041 2016-04-05  Richard Biener  <rguenther@suse.de>
3043         PR tree-optimization/70526
3044         * tree-sra.c (build_ref_for_offset): Use prev_base to
3045         extract the alias pointer type.
3047 2016-04-05  Richard Biener  <rguenther@suse.de>
3049         * dse.c (struct store_info): Remove alias_set member.
3050         (struct read_info_type): Likewise.
3051         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
3052         spill_deleted, clear_alias_set_lookup): Remove.
3053         (get_group_info): Remove dead base == NULL_RTX case.
3054         (dse_step0): Remove initialization of removed variables.
3055         (delete_dead_store_insn): Reomve alias set dumping.
3056         (free_read_records): Remove alias_set handling.
3057         (canon_address): Remove alias_set_out parameter.
3058         (record_store): Remove spill_alias_set, it's always zero.
3059         (check_mem_read_rtx): Likewise.
3060         (dse_step2): Rename from ...
3061         (dse_step2_nospill): ... this.  Adjust.
3062         (scan_stores): Rename from ...
3063         (scan_stores_nospill): ... this.
3064         (scan_reads): Rename from ...
3065         (scan_reads_nospill): ... this.
3066         (scan_stores_spill, scan_reads_spill): Remove.
3067         (dse_step3_scan): Remove for_spills argument which is always false.
3068         (dse_step3): Likewise.
3069         (dse_step5): Rename from ...
3070         (dse_step5_nospill): ... this.  Remove alias_set handling.
3071         (rest_of_handle_dse): Adjust.
3073 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
3075         PR target/70525
3076         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
3077         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
3078         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
3079         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
3081 2016-04-05  Richard Biener  <rguenther@suse.de>
3083         PR middle-end/70499
3084         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
3085         non-register type temporaries into SSA.
3087 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
3089         PR ipa/66223
3090         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
3091         calls when sanitizing.
3092         (possible_polymorphic_call_target_p): Fix formatting.
3094 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3095             Jakub Jelinek <jakub@redhat.com>
3097         PR middle-end/70457
3098         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
3099         to ensure a call statement is compatible with a built-in's
3100         prototype.
3101         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
3102         Likewise.
3104 2016-04-04  Richard Biener  <rguenther@suse.de>
3106         PR rtl-optimization/70484
3107         * rtl.h (canon_output_dependence): Declare.
3108         * alias.c (canon_output_dependence): New function.
3109         * dse.c (record_store): Use canon_output_dependence rather
3110         than canon_true_dependence.
3112 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
3114         PR ipa/68881
3115         * cgraph.h (symtab_node::copy_visibility_from): New function.
3116         * symtab.c (symtab_node::copy_visibility_from): New function.
3117         * ipa-visibility.c (optimize_weakref): New function.
3118         (function_and_variable_visibility): Use it.
3120 2016-04-04  Martin Liska  <mliska@suse.cz>
3122         PR hsa/70402
3123         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
3124         value that is really in range handled by SBR instruction.
3125         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
3126         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
3127         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
3129 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
3131         PR target/70416
3132         PR target/67391
3133         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
3134         set, but not for SP_REG operands.
3136 2016-04-02  Martin Sebor  <msebor@redhat.com>
3138         PR c++/67376
3139         * fold-const.c (maybe_nonzero_address): New function.
3140         (fold_comparison): Call it.  Fold equality and relational
3141         expressions involving null pointers.
3142         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
3144 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
3146         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
3147         the "Y" constraint (scalar FP 0.0 immediate).
3149         * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
3150         Add the "const_double" to the list of operand constraints.
3152 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
3154         PR rtl-optimization/70467
3155         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
3156         If low word of the last operand is 0, just emit addition/subtraction
3157         for the high word.
3159 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3161         PR target/70404
3162         * config/s390/s390.c (s390_expand_insv): Check for everything
3163         constant instead of just VOIDmode stuff.
3165 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3167         PR target/70496
3168         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
3170 2016-04-01  Nathan Sidwell  <nathan@acm.org>
3172         * tree.def (TRY_CATCH_EXPR): Correct documentation.
3174 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
3176         PR rtl-optimization/70461
3177         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
3178         is necessary.
3180 2016-03-31  Martin Liska  <mliska@suse.cz>
3182         PR hsa/70399
3183         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
3184         a tree value or an immediate integer value to a buffer
3185         that is eventually copied to a BRIG section.
3186         (emit_immediate_operand): Call the function here.
3187         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
3188         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
3189         of class' fields that are removed.
3190         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
3191         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
3192         m_brig_repr_size fields.
3194 2016-03-31  Martin Liska  <mliska@suse.cz>
3196         PR hsa/70391
3197         * hsa-gen.c (hsa_function_representation::update_dominance): New
3198         function.
3199         (convert_addr_to_flat_segment): Likewise.
3200         (gen_hsa_memory_set): New alignment argument.
3201         (gen_hsa_ctor_assignment): Likewise.
3202         (gen_hsa_insns_for_single_assignment): Provide alignment
3203         to gen_hsa_ctor_assignment.
3204         (gen_hsa_insns_for_direct_call): Add new argument.
3205         (expand_lhs_of_string_op): New function.
3206         (expand_string_operation_builtin): Likewise.
3207         (expand_memory_copy): New function.
3208         (expand_memory_set): New function.
3209         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
3210         (convert_switch_statements): Change signature.
3211         (generate_hsa): Use a return value of the function.
3212         (pass_gen_hsail::execute): Do not call
3213         convert_switch_statements here.
3214         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
3215         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
3216         (hsa_function_representation::update_dominance): New function.
3218 2016-03-31  Martin Liska  <mliska@suse.cz>
3220         PR hsa/70391
3221         * hsa-brig.c (emit_directive_variable): Emit alignment
3222         according to hsa_symbol::m_align.
3223         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
3224         (dump_hsa_symbol): Dump alignment of HSA symbols.
3225         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
3226         (gen_hsa_addr_with_align): New function.
3227         (hsa_bitmemref_alignment): Use newly added function.
3228         (gen_hsa_insns_for_load): Likewise.
3229         (gen_hsa_insns_for_store): Likewise.
3230         (gen_hsa_memory_copy): New argument added.
3231         (gen_hsa_insns_for_single_assignment): Respect
3232         alignment for assignments processed via gen_hsa_memory_copy.
3233         (gen_hsa_insns_for_direct_call): Likewise.
3234         (gen_hsa_insns_for_return): Likewise.
3235         (gen_function_def_parameters): Set default alignment.
3236         * hsa.c (hsa_object_alignment): New function.
3237         (hsa_byte_alignment): Pasted function.
3238         * hsa.h (hsa_symbol::m_align): New field.
3240 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
3242         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
3243         scratch field for goto case.
3245 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
3247         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
3249 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
3251         PR target/70442
3252         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
3253         (scalar_chain::convert_insn): Call convert_op for reg
3254         moves to handle undefined registers.
3256 2016-03-31  Nathan Sidwell  <nathan@acm.org>
3258         PR c++/70393
3259         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
3260         Assert we don't want to move backwards.
3262 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
3264         PR target/70453
3265         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
3267 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
3269         PR rtl-optimization/70460
3270         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
3271         with operand from REG_LABEL_OPERAND, instead substitute
3272         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
3273         Don't do anything for REG_NON_LOCAL_GOTO jumps.
3275 2016-03-31  Martin Liska  <mliska@suse.cz>
3277         * passes.c (execute_one_pass): Do not call
3278         todo_after for a discarded function.
3280 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
3282         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
3283         (no_cost, infinite_cost): Initialize the new field.
3284         (get_computation_cost_at): Record setup cost.
3285         (determine_use_iv_cost_address): Skip cost computation for sub
3286         uses if we can estimate it without losing accuracy.
3288 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
3290         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
3291         estimates here.
3292         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
3293         max_loop_iterations_int.
3294         (tree_unswitch_outer_loop): Likewise.
3295         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
3296         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
3298 2016-03-30  Richard Biener  <rguenther@suse.de>
3300         PR middle-end/70450
3301         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
3303 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
3305         PR target/70421
3306         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
3307         in gen_blendm expander.
3309 2016-03-30  Nick Clifton  <nickc@redhat.com>
3311         PR target/62254
3312         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
3313         case where we are already provided with an SImode SUBREG.
3315 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3317         PR target/70439
3318         * config/i386/i386.c (ix86_expand_epilogue): Properly check
3319         conflict between DRAP register and __builtin_eh_return.
3321 2016-03-30  Michael Matz  <matz@suse.de>
3322             Richard Biener  <rguenther@suse.de>
3324         PR ipa/12392
3325         * ipa-polymorphic-call.c (struct type_change_info): Change
3326         speculative to an unsigned allowing to limit the work we do.
3327         (csftc_abort_walking_p): New inline function..
3328         (check_stmt_for_type_change): Limit the number of may-defs
3329         skipped for speculative devirtualization to
3330         max-speculative-devirt-maydefs.
3331         * params.def (max-speculative-devirt-maydefs): New param.
3332         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
3334 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
3336         PR target/63890
3337         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
3338         and TARGET_MACHO.
3340 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
3342         PR tree-optimization/59124
3343         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
3344         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
3346 2016-03-29  Jeff Law  <law@redhat.com>
3348         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
3350 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3352         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
3353         to HOST_WIDE_INT.
3355 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
3357         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
3358         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
3359         gcrt0.o if linking dynamically.
3361 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3363         PR ipa/70283
3364         * ipa-devirt.c (methods_equal_p): New function.
3365         (compare_virtual_tables): Use it.
3366         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
3367         * cgraphclones.c (clone_function_name_1): Use
3368         symbol_table::symbol_suffix_separator.
3369         * coverage.c (build_var): Likewise.
3370         * symtab.c (symbol_table::symbol_suffix_separator): New.
3372 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
3374         PR rtl-optimization/70429
3375         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
3376         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
3377         mode != result_mode.
3379         PR c++/70353
3380         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
3382         PR tree-optimization/70405
3383         * ssa-iterators.h (num_imm_uses): Add missing braces.
3385 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
3387         PR rtl-optimization/68695
3388         * ira-color.c (allocno_copy_cost_saving): New.
3389         (improve_allocation): Use it.
3391 2016-03-29  Richard Henderson  <rth@redhat.com>
3393         PR middle-end/70355
3394         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
3396 2016-03-29  Richard Biener  <rguenther@suse.de>
3398         PR middle-end/70424
3399         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
3400         use alignment returned by get_pointer_alignment_1 if it is
3401         bigger than BITS_PER_UNIT.
3402         * builtins.c (get_pointer_alignment_1): Do not return true
3403         for alignment extracted from SSA info.
3405 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
3407         * config/ft32/ft32.opt (mnodiv): New.
3408         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
3409         * doc/invoke.texi (FT32 Options -mnodiv): New.
3411 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
3413         PR target/70406
3414         * config/i386/i386.md (define_split, andn): Fix modes.
3416 2016-03-26  Richard Biener  <rguenther@suse.de>
3417             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3419         PR ipa/70366
3420         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
3421         instead of
3422         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
3423         as 2nd argument to cl_optimization_restore().
3425 2016-03-25  Richard Henderson  <rth@redhat.com>
3427         PR target/70120
3428         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
3429         * config/aarch64/aarch64-protos.h: Declare it.
3430         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
3432 2016-03-25  Alan Modra  <amodra@gmail.com>
3434         PR target/70052
3435         * config/rs6000/constraints.md (j): Simplify.
3436         * config/rs6000/predicates.md (easy_fp_constant): Exclude
3437         decimal float 0.D.
3438         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
3439         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
3440          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
3441         in all constraint alternatives.
3442         (movtd_64bit_nodm): Delete "j" constraint alternative.
3444 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
3446         * tree-ssa-propagate.c: Enhance docs for
3447         SSA_PROP_NOT_INTERESTING.
3449 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
3451         * doc/extend.texi: Fix typo in documentation to pure attribute.
3453 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
3455         PR target/70319
3456         * config/pa/pa.md (bswapdi2): Use a scratch register.
3458 2016-03-24  Richard Henderson  <rth@redhat.com>
3460         PR middle-end/69845
3461         * fold-const.c (extract_muldiv_1): Correct test for multiplication
3462         overflow.
3464 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
3466         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
3467         using ix86_expand_binary_operator instead of gen_andsi3.
3469 2016-03-24  Richard Biener  <rguenther@suse.de>
3471         PR tree-optimization/70396
3472         * tree-vect-stmts.c (vectorizable_comparison): Use
3473         get_vectype_for_scalar_type.
3475 2016-03-24  Richard Biener  <rguenther@suse.de>
3477         PR middle-end/70370
3478         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
3479         with register bases.
3481 2016-03-24  Richard Biener  <rguenther@suse.de>
3483         PR tree-optimization/70372
3484         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
3485         build_all_ones_cst to also handle vector types correctly.
3487 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3489         PR target/70381
3490         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
3491         -mfloat128 here.
3493 2016-03-23  Marek Polacek  <polacek@redhat.com>
3495         PR c++/69884
3496         * doc/invoke.texi: Document -Wignored-attributes.
3498 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
3500         PR tree-optimization/69042
3501         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
3502         parameter from 30 to 40.
3504 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
3506         PR tree-optimization/69042
3507         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
3508         for use with constant offset stripped in base.
3510 2016-03-23  Richard Biener  <rguenther@suse.de>
3512         PR middle-end/70251
3513         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
3514         mode compatibility check.
3515         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3517 2016-03-23  Jeff Law  <law@redhat.com>
3519         PR tree-optimization/64058
3520         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
3521         CONFLICT_COUNT.
3522         (struct ssa_conflicts): Move up earlier in the file.
3523         (conflicts_, var_map_): New static variables.
3524         (initialize_conflict_count): New function to initialize the
3525         CONFLICT_COUNT field for each conflict pair.
3526         (compare_pairs): Lazily initialize the conflict count and use it
3527         as the first tie-breaker.
3528         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
3529         and wipe conflicts_ and map_ around the call to qsort.  Remove
3530         special case for 2 coalesce pairs.
3531         * bitmap.c (bitmap_count_unique_bits): New function.
3532         (bitmap_count_bits_in_word): New function, extracted from
3533         bitmap_count_bits.
3534         (bitmap_count_bits): Use bitmap_count_bits_in_word.
3535         * bitmap.h (bitmap_count_unique_bits): Declare it.
3537 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
3539         PR target/69917
3540         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
3541         transparent alias chain for decl assembler name.
3542         * config/sol2.c (solaris_assemble_visibility): Likewise.
3544 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3546         * config/arm/arm1020e.md (1020call_op): Reduce reservation
3547         duration.
3548         (v10_fdivs): Likewise.
3549         (v10_fdivd): Likewise.
3551 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3553         PR driver/70132
3554         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
3555         to not call fclose twice on file.
3557 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
3559         PR tree-optimization/70354
3560         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3561         oprnd0 is wider than oprnd1 and there is a cast from the wider
3562         type to oprnd1, mask it with the mask of the narrower type.
3564         PR target/70321
3565         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
3566         Optimize TARGET_STV splitters, if high or low word of last argument
3567         is 0 or -1.
3569 2016-03-22  Jeff Law  <law@redhat.com>
3571         PR target/70232
3572         tree-ssa-threadbackward.c
3573         (fsm_find_control_statement_thread_paths): Correctly distinguish
3574         between old style jump threads vs FSM jump threads.
3576 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
3578         PR target/70302
3579         * config/i386/i386.c (scalar_chain::convert_op): Support
3580         uninitialized register usage case.
3582 2016-03-22  Richard Biener  <rguenther@suse.de>
3584         PR middle-end/70251
3585         * genmatch.c (gen_transform): Adjust last parameter to a three-state
3586         int...
3587         (capture::gen_transform): ... to change behavior when substituting
3588         a condition into cond or not-cond expr context.
3589         (dt_simplify::gen_1): Adjust.
3590         * gimple-match-head.c: Include gimplify.h for unshare_expr.
3591         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
3592         last change and instead change to
3593         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
3594         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3596 2016-03-22  Anthony Green  <green@moxielogic.com>
3598         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
3599         issue for moxiebox targets.
3600         (CC1PLUS_SPEC): Ditto.
3602 2016-03-22  Richard Biener  <rguenther@suse.de>
3604         PR middle-end/70333
3605         * fold-const.c (extract_muldiv_1): Properly perform multiplication
3606         in the wide type.
3608 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
3610         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
3612 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
3614         PR target/70325
3615         * config/i386/i386.c (def_builtin): Handle
3616         OPTION_MASK_ISA_AVX512VL to be and-ed with other
3617         bits.
3618         (const struct builtin_description bdesc_special_args[]):
3619         Remove duplicate ISA bits.
3621 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
3623         PR target/70329
3624         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
3625         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
3626         in a way that works also for AVX512BW.
3628         PR target/70300
3629         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
3630         instead of source if operands[1] is xmm16 and above and
3631         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
3632         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
3634         PR c++/70295
3635         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
3636         on assign if (*from_p) is a comparison, set it to
3637         TREE_NO_WARNING (*from_p).
3639 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
3641         PR middle-end/70326
3642         * lra.c (restore_scratches): Ignore deleted insns.
3644 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
3645             Jakub Jelinek  <jakub@redhat.com>
3647         PR tree-optimization/70317
3648         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
3649         to HONOR_NANS.
3651 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
3653         PR target/70327
3654         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
3655         of ix86_expand_move.
3656         (movoi): Ditto.
3657         (movti): Use general_operand for operand 1 predicate.
3659 2016-03-21  Martin Liska  <mliska@suse.cz>
3661         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
3662         insns.
3663         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
3665 2016-03-21  Martin Liska  <mliska@suse.cz>
3667         PR ipa/70306
3668         * ipa-icf.c (sem_function::parse): Skip static
3669         constructors and destructors.
3671 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
3673         PR target/70296
3674         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
3675         function-like macro, peek following token(s) if it is followed
3676         by CPP_OPEN_PAREN token with optional padding in between, and
3677         if not, don't treat it like a macro.
3679 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
3680             Alexander Monakov  <amonakov@ispras.ru>
3682         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
3683         for the stabs debug format.
3685 2016-03-21  Richard Biener  <rguenther@suse.de>
3687         PR tree-optimization/70310
3688         * tree-vect-generic.c (expand_vector_condition): Fold the built
3689         condition.
3691 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
3693         PR target/70293
3694         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
3695         Block third alternative for AVX-512VL target,
3697 2016-03-21  Martin Liska  <mliska@suse.cz>
3699         PR hsa/70234
3700         * hsa-brig.c (emit_function_directives): Mark unemitted
3701         global variables for emission.
3702         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
3703         (get_symbol_for_decl): Likewise.
3704         * hsa.h (struct hsa_symbol): New flag.
3706 2016-03-21  Richard Biener  <rguenther@suse.de>
3708         PR tree-optimization/70288
3709         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
3710         we do not estimate unsimplified all-constant conditionals or
3711         switches as optimized away.
3713 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
3715         PR rtl-optimization/69102
3716         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
3717         when we have a readonly dependency context.
3719 2016-03-18  Jeff Law  <law@redhat.com>
3721         PR rtl-optimization/70263
3722         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
3723         (update_equiv_regs): When trying to move a store to after the insn
3724         that sets the source of the store, make sure the store occurs after
3725         the insn that sets the source of the store.  When successful note
3726         the REG_EQUIV note created in the dump file.
3728 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
3729             Bernd Schmidt  <bschmidt@redhat.com>
3731         * doc/extend.texi: Document more potential problems with basic asms.
3733 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
3735         PR rtl-optimization/70278
3736         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
3737         VOIDmode.
3739 2016-03-18  Jason Merrill  <jason@redhat.com>
3741         * calls.c (load_register_parameters): Fix zero size sibcall logic.
3743 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
3745         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
3746         values to 128b regs.
3748 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
3750         PR tree-optimization/70252
3751         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
3752         boolean vector has a proper number of elements.
3753         (supportable_narrowing_operation): Likewise.
3755 2016-03-18  Tom de Vries  <tom@codesourcery.com>
3757         PR ipa/70269
3758         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
3760 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
3762         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
3763         instead of replace_rtx for DEBUG_INSNs.
3765 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3767         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
3768         load type reservations.
3770 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
3772         PR target/70188
3773         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
3774         define_constraint for "Q" and "T" constraints.
3776 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
3778         Tweak the pipeline model for Exynos M1
3780         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
3781         model.
3783 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
3785         PR c/70264
3786         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
3787         where one or both locations aren't within a line_map.
3789 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3791         PR driver/70192
3792         * opts.c (finish_options): Don't set flag_pie to the default if
3793         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
3794         if it is -1.
3796 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
3798         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
3799         true as ALL_REGS argument to replace_rtx.
3801 2016-03-17  Richard Biener  <rguenther@suse.de>
3803         PR debug/70271
3804         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
3805         last.
3807 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3809         PR target/70245
3810         * rtl.h (replace_rtx): Add ALL_REGS argument.
3811         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
3812         equality and assert mode is the same, instead of just rtx pointer
3813         equality.
3814         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
3815         true as ALL_REGS argument to replace_rtx.
3817 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
3819         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
3820         for boolean vector with vector mode only.
3821         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3823 2016-03-17  Nick Clifton  <nickc@redhat.com>
3825         PR target/70162
3826         * config/rx/rx.c (rx_print_integer): Print negative constants in
3827         decimal.
3829 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3831         PR target/70261
3832         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
3834 2016-03-16  Richard Henderson  <rth@redhat.com>
3835             Richard Biener  <rguenth@suse.de>
3837         PR middle-end/70240
3838         PR middle-end/68215
3839         PR tree-opt/68714
3840         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
3841         first operand as is_gimple_condexpr.
3843         PR middle-end/70240
3844         PR middle-end/68215
3845         Revert r231575
3846         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
3847         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
3848         Do not gimplify the result.
3849         (do_unop): Adjust call to tree_vec_extract.
3850         (do_binop): Likewise.
3851         (do_compare): Likewise.
3852         (do_plus_minus): Likewise.
3853         (do_negate): Likewise.
3854         (expand_vector_condition): Likewise.
3855         (do_cond): Likewise.
3857 2016-03-16  Richard Henderson  <rth@redhat.com>
3859         PR target/70048
3860         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
3861         (aarch64_classify_address): Use it.
3862         (aarch64_legitimize_address): Force all subexpressions of PLUS
3863         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
3865 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
3866             Richard Biener  <rguenth@suse.de>
3868         PR target/70245
3869         * rtlanal.c (replace_rtx): For REG, if from is a REG,
3870         return to even if only REGNO is equal, and assert
3871         mode is the same.
3873 2016-03-11  Jeff Law  <law@redhat.com>
3875         PR rtl-optimization/70224
3876         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
3878 2016-03-16  Richard Henderson  <rth@redhat.com>
3880         PR middle-end/70199
3881         * function.h (struct function): Add has_forced_label_in_static.
3882         * gimplify.c (force_labels_r): Set it.
3883         * lto-streamer-in.c (input_struct_function_base): Read it.
3884         * lto-streamer-out.c (output_struct_function_base): Write it.
3885         * tree-inline.c (has_label_address_in_static_1): Remove.
3886         (copy_forbidden): Remove fndecl parameter; test
3887         has_forced_label_in_static.
3888         (inline_forbidden_p): Update call to copy_forbidden.
3889         (tree_versionable_function_p): Likewise.
3890         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
3891         (chkp_versioning): Likewise.
3892         * tree-inline.h (copy_forbidden): Update decl.
3894 2016-03-16  Marek Polacek  <polacek@redhat.com>
3896         PR c/70093
3897         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
3898         function being thunked if the result type doesn't have fixed size.
3899         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
3900         doesn't have fixed size.
3902 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
3904         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
3905         reporting malformed loop nest.
3907 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3909         PR lto/70187
3910         * ipa-devirt.c (possible_polymorphic_call_targets): Move
3911         nodes.length () == 1 test to before first nodes[0] access.
3913 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3915         PR tree-optimization/68715
3916         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
3917         single_pred_p test.
3919 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3921         PR tree-optimization/68809
3922         * graphite-scop-detection.c (same_close_phi_node): Test if result types
3923         are the same.
3925 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
3926             Sandra Loosemore  <sandra@codesourcery.com>
3928         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
3929         on leaf attribute. Mention ELF interposition problems.
3931 2016-03-16  Alan Modra  <amodra@gmail.com>
3933         PR rtl-optimization/69195
3934         PR rtl-optimization/47992
3935         * ira.c (indirect_jump_optimize): Ignore artificial defs.
3936         Add comments.
3938 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
3940         PR bootstrap/69513
3941         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
3943 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3945         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
3947 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
3949         PR rtl-optimization/70222
3950         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
3951         optimization if mode is different from result_mode, queue up masking
3952         of the result in outer_op.  Formatting fix.
3954         PR middle-end/70239
3955         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
3956         of safe_grow.
3958 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3960         PR rtl-optimization/69032
3961         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
3962         looping backwards over basic block insns.
3964 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3966         PR target/66660
3967         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
3968         to non-speculative when propagating trap bits.
3970 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3972         PR rtl-optimization/63384
3973         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
3974         DEBUG_INSN_P insns.
3976 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3978         PR target/64411
3979         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
3980         factored out from ...
3981         (sched_analyze_insn): ... here.
3982         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
3983         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
3984         get_implicit_reg_pending_clobbers in it.
3985         (setup_id_reg_sets): Use setup_id_implicit_regs.
3986         (deps_init_id): Ditto.
3988 2016-03-15  Tom de Vries  <tom@codesourcery.com>
3990         PR ipa/70161
3991         * cgraph.c (cgraph_node::get_body): Save, reset and restore
3992         dump_file_name.
3993         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
3994         execute_function_dump.
3995         (execute_one_pass): Don't dump function if it will be dumped after ipa
3996         transform.
3998 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
4000         * genrecog.c (match_pattern_2): If pred is NULL don't call
4001         safe_predicate_mode on it.
4003 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
4005         PR middle-end/70219
4006         * lra-constraints.c (delete_move_and_clobber): Change assertion
4007         to also allow dregno == 0.
4009 2016-03-14  Richard Henderson  <rth@redhat.com>
4011         PR tree-opt/68714
4012         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
4013         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
4014         (reassociate_bb): Use optimize_vec_cond_expr; avoid
4015         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
4016         on vectors.
4018 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
4020         PR target/70083
4021         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
4022         regs.
4023         (lra_create_live_ranges_1): initialize hard register biggest_mode to
4024         VOIDmode.
4025         * lra-constraints.c (split_reg): For hard regs, try to find the
4026         biggest single-register mode used in the function.
4028 2016-03-14  Richard Biener  <rguenther@suse.de>
4030         PR tree-optimization/56365
4031         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
4032         constants to compare against.
4034 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
4036         PR target/70098
4037         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
4038         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
4039         (define_split for the GPR case): Use int_reg_operand instead of
4040         gpc_reg_operand for the output.
4042 2016-03-14  Tom de Vries  <tom@codesourcery.com>
4044         PR tree-optimization/70045
4045         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
4046         create_empty_if_region_on_edge argument.
4048 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
4050         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
4051         (STACK_CHECK_PROTECT): Likewise.
4052         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
4053         (STACK_CHECK_PROTECT): Likewise.
4054         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
4055         (STACK_CHECK_PROTECT): Likewise.
4056         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
4057         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
4058         (STACK_CHECK_PROTECT): Likewise.
4060 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
4062         PR rtl-optimization/69307
4063         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
4064         registers in modes that span more than one register.
4066 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4068         PR target/69614
4069         * lra-constraints.c (delete_move_and_clobber): New.
4070         (remove_inheritance_pseudos): Use it.
4072 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
4074         PR ada/70017
4075         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
4076         the libcall is LCT_THROW.
4077         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
4078         for the checking routine.
4080 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
4082         PR target/70131
4083         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
4084         optimization if we have direct move.
4085         (roundu32<mode>2_fprs): Likewise.
4087 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
4089         PR target/70123
4090         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
4091         be rematerialized.
4092         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
4093         Arguments swapped.  All callers changed.  Take reg_renumber into
4094         account, and Calculate and compare register ranges for hard regs.
4096 2016-03-11  Jeff Law  <law@redhat.com>
4098         PR tree-optimization/70190
4099         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4100         Handle cases where we can not extract the taken edge, even though we
4101         found a constant value.
4103         PR tree-optimization/64058
4104         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
4105         (num_coalesce_pairs): Move up earlier in file.
4106         (find_coalesce_pair): Initialize the INDEX field for each pair
4107         discovered.
4108         (compare_pairs): No longer sort on the elements in each pair.
4109         Instead break ties with the index of the coalesce pair.
4111 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4113         PR target/70002
4114         * config/aarch64/aarch64-protos.h
4115         (aarch64_save_restore_target_globals): New prototype.
4116         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
4117         Call the above when popping pragma.
4118         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
4119         New function.
4120         (aarch64_set_current_function): Rewrite using the above.
4122 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
4124         PR tree-optimization/70177
4125         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
4126         (extract_ops_from_tree): ... this.  In the 2 argument
4127         overload remove _1 suffix.
4128         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
4129         (extract_ops_from_tree): ... this.
4130         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
4131         Adjust callers.
4132         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
4133         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
4134         extract_ops_from_tree instead of 2 operand one.
4136 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
4138         PR tree-optimization/70013
4139         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
4140         for constant-pool entries.
4142 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
4144         PR rtl-optimization/70174
4145         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
4146         followed by gen_lowpart on force_reg instead of just gen_lowpart.
4148         PR tree-optimization/70169
4149         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
4150         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
4151         for unknown codes.
4153 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
4154             Jakub Jelinek  <jakub@redhat.com>
4156         PR target/70160
4157         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
4158         of uninitialized values.
4160 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4162         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
4163         define_expand.
4164         ("*trunctddd2"): New pattern definition.
4165         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
4166         TD->DD truncation.
4168 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4170         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
4171         definitions for BFP and DFP rounding modes.
4172         ("fixuns_truncdddi2", "fixuns_trunctddi2")
4173         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
4174         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
4175         ("fix_trunctf<mode>2"): Use the new constants instead of magic
4176         numbers.
4178 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4180         * config/s390/constraints.md: Adjust comment.
4181         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
4182         s390_decompose_addrstyle_without_index.
4183         * config/s390/predicates.md (shift_count_or_setmem_operand):
4184         Rename to setmem_operand.
4185         * config/s390/s390-protos.h
4186         (s390_decompose_shift_count): Rename to
4187         s390_decompose_addrstyle_without_index.
4188         * config/s390/s390.c (s390_decompose_shift_count)
4189         (s390_mem_constraint, print_shift_count_operand)
4190         (print_operand_address, print_operand): Rename
4191         s390_decompose_shift_count to
4192         s390_decompose_addrstyle_without_index and rename
4193         print_shift_count_operand to print_addrstyle_operand troughout the
4194         file.
4195         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
4196         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
4197         Rename shift_count_or_setmem_operand to setmem_operand.
4198         * config/s390/vx-builtins.md ("vec_insert<mode>")
4199         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
4200         nonmemory_operand.
4202 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4204         PR target/70168
4205         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
4206         Handle overlapping retval and newval.
4208 2016-03-10  Nick Clifton  <nickc@redhat.com>
4210         PR target/7044
4211         * config/aarch64/aarch64.c
4212         (aarch64_override_options_after_change_1): When forcing
4213         flag_omit_frame_pointer to be true, use a special value that can
4214         be detected if this function is called again, thus preventing
4215         flag_omit_leaf_frame_pointer from being forced to be false.
4217 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4219         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
4220         Set x_flag_omit_leaf_frame_pointer when handling
4221         -momit-leaf-frame-pointer.
4223 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4225         PR lto/69589
4226         * cgraph.c (cgraph_node::dump): Dump split_part and
4227         indirect_call_target.
4228         * cgraph.h (cgraph_node): Add indirect_call_target flag.
4229         * ipa.c (has_addr_references_p): Cleanup.
4230         (is_indirect_call_target_p): New.
4231         (walk_polymorphic_call_targets): Do not mark virtuals that may be
4232         called indirectly as local.
4233         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
4235 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4237         PR ipa/69630
4238         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
4239         on cxa_pure_virtual.
4241 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4243         PR lto/69589
4244         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
4246 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4248         PR lto/69589
4249         * tree.c (need_assembler_name_p): Only record main variant type names.
4251 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
4253         PR target/70113.
4254         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
4255         Always define to 0 or 1.
4256         (TARGET_FIX_ERR_A53_843419): New macro.
4257         * config/aarch64/aarch64-elf-raw.h
4258         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
4259         * config/aarch64/aarch64-linux.h: Likewise.
4260         * config/aarch64/aarch64.c
4261         (aarch64_override_options_after_change_1): Do not default
4262         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
4263         843419 is on.
4264         (aarch64_attributes): Handle fix-cortex-a53-843419.
4265         (aarch64_can_inline_p): Likewise.
4266         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
4268 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
4269         Jakub Jelinek <jakub@redhat.com>
4271         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
4272         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
4273         DECL_COMMONS if flag_unconstrained_commons is set.
4274         * tree-dfa.c (get_ref_base_and_extent): Likewise.
4275         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
4276         (funconstrained-commons): Document.
4278 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
4280         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
4281         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
4283 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
4285         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
4286         has a proper number of elements.
4288 2016-03-10  Alan Modra  <amodra@gmail.com>
4290         PR rtl-optimization/69195
4291         PR rtl-optimization/47992
4292         * ira.c (recorded_label_ref): Delete.
4293         (update_equiv_regs): Return void.
4294         (indirect_jump_optimize): New function.
4295         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
4296         before regstat_compute_ri.  Don't rebuild_jump_labels here.
4297         Delete update_regstat.
4299 2016-03-10  Richard Biener  <rguenther@suse.de>
4301         PR tree-optimization/70128
4302         * tree-ssa-structalias.c (set_uids_in_ptset): Set
4303         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
4305 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
4307         PR tree-optimization/70152
4308         * tree-sra.c (replace_removed_params_ssa_names): Copy over
4309         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
4311         PR target/70086
4312         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
4313         instead of gen_sse2_loadlpd.
4314         * config/i386/sse.md (*vec_concatv2df): Rename to...
4315         (vec_concatv2df): ... this.
4317         PR tree-optimization/70127
4318         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
4320 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
4322         PR c/68473
4323         PR c++/70105
4324         * diagnostic-show-locus.c (compatible_locations_p): New function.
4325         (layout::layout): Sanitize ranges using compatible_locations_p.
4327 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
4329         PR c/68473
4330         PR c++/70105
4331         * diagnostic-show-locus.c (layout_range::layout_range): Replace
4332         location_range param with three const expanded_locations * and a
4333         bool.
4334         (layout::layout): Replace call to
4335         rich_location::lazily_expand_location with get_expanded_location.
4336         Extract the range and perform location expansion here, passing
4337         the results to the layout_range ctor.
4338         * diagnostic.c (source_range::debug): Delete.
4339         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
4340         of rich_location::get_expanded_location.
4341         * gcc-rich-location.c (get_range_for_expr): Delete.
4342         (gcc_rich_location::add_expr): Reimplement to avoid the
4343         rich_location::add_range overload that took a location_range,
4344         passing a location_t instead.
4346 2016-03-09  Richard Biener  <rguenther@suse.de>
4347         Jakub Jelinek  <jakub@redhat.com>
4349         PR tree-optimization/70138
4350         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4351         Also skip vect_double_reduction_def.
4353 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
4355         PR target/70049
4356         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
4357         if the operand is "m".
4359 2016-03-09  Nathan Sidwell  <nathan@acm.org>
4361         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
4363 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
4365         * config/i386/i386.c (processor_target_table): Fix cost table
4366         intialization order for znver1.
4368 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
4370         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
4371         - becuase -> because.
4372         * ipa-reference.c (ignore_module_statics): Likewise.
4373         * cgraph.c (cgraph_node::get_body): Likewise.
4374         * ipa-inline.c (early_inliner): Likewise.
4375         * ipa-devirt.c (types_same_for_odr): Likewise.
4376         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
4377         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
4379 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4381         * tree-ssa-math-opts.c: Fix typo in comment.
4383 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
4385         PR target/70110
4386         * config/i386/i386.c (scalar_chain::make_vector_copies,
4387         scalar_chain::convert_reg): Call end_sequence in between
4388         get_insns and emit_conversion_insns rather than after both
4389         calls.
4391 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
4393         PR target/70064
4394         * config/i386/i386.h (machine_function): Add
4395         pc_thunk_call_expanded flag.
4396         (ix86_pc_thunk_call_expanded): New define.
4397         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
4398         (*set_got): Rename insn pattern from set_got.
4399         (*set_got_labelled): Rename inst pattern from set_got_labelled.
4400         * config/i386/i386.c (ix86_compute_frame_layout): Use
4401         ix86_pc_thunk_call_expanded to prevent red-zone.
4403 2016-03-07  Martin Jambor  <mjambor@suse.cz>
4405         * hsa.h (hsa_get_ctor_statements): Declare.
4406         (hsa_get_dtor_statements): Likewise.
4407         (hsa_get_kernel_dispatch_type): Likewise.
4408         * hsa.c (hsa_get_ctor_statements): New function.
4409         (hsa_get_dtor_statements): Likewise.
4410         (hsa_get_kernel_dispatch_type): Likewise.
4411         * hsa-brig.c (hsa_cdtor_statements): Removed.
4412         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
4413         hsa_get_dtor_statements.
4414         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
4415         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
4417 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4419         * config/arm/arm-cores.def (cortex-r8): New.
4420         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
4421         * config/arm/arm-tune.md: Likewise.
4422         * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
4424 2016-03-07  Martin Sebor  <msebor@redhat.com>
4426         PR rtl-optimization/19705
4427         * doc/invoke.texi (Options That Control Optimization): Clarify
4428         -fno-branch-count-reg.
4430 2016-02-26  Richard Biener  <rguenther@suse.de>
4431             Jeff Law  <law@redhat.com>
4433         PR tree-optimization/69740
4434         * cfghooks.c (remove_edge): Request loop fixups if we delete
4435         an edge that might turn an irreducible loop into a natural
4436         loop.
4437         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
4438         Move after definition of loops_state_clear.
4440 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
4442         PR rtl-optimization/69052
4443         * rtlanal.c (commutative_operand_precedence): Set higher precedence
4444         to CONST_WIDE_INT.
4446 2016-03-07  Tom de Vries  <tom@codesourcery.com>
4448         PR tree-optimization/70116
4449         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
4450         is_tm_ending stmts and ubsan/asan internal functions.
4451         (find_duplicate): Use it.  Don't test is_tm_ending here.
4453 2016-03-07  Richard Biener  <rguenther@suse.de>
4455         PR tree-optimization/70115
4456         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
4457         (propagate_constants_for_unrolling): Use replace_uses_by.
4459 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
4461         PR middle-end/69916
4462         * omp-low.c (struct oacc_loop): Add ifns.
4463         (new_oacc_loop_raw): Initialize it.
4464         (finish_oacc_loop): Clear mask & flags if no ifns.
4465         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
4466         (oacc_loop_xform_loop): Add ifns arg & adjust.
4467         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
4469 2016-03-07  Richard Henderson  <rth@redhat.com>
4471         PR rtl-opt/70061
4472         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
4473         (insert_value_copy_on_edge): Likewise.
4475 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4477         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
4479 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4481         PR target/62281
4482         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
4484 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
4486         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
4488 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
4490         Fix sseimul type attribute.
4491         * config/i386/znver1.md
4492         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
4493         znver1_sseimul_avx256_load) : Fix the type attribute.
4494         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
4495         pipe usage and latency.
4497 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
4499         PR c++/70084
4500         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
4501         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
4502         to the right type.
4504 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
4506         PR c/69973
4507         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
4509         PR rtl-optimization/69941
4510         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
4511         the reg share its mode.
4513 2016-03-04  Jeff Law  <law@redhat.com>
4515         PR tree-optimization/69196
4516         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4517         If the both SSA_NAMEs are anonymous, then consider them unassociated
4518         and include the PHI in the statement count.
4520 2016-03-05  Tom de Vries  <tom@codesourcery.com>
4522         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
4523         construct in oacc routine.  Check for oacc region in oacc routine.
4525 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
4527         PR target/70062
4528         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
4529         2016-02-22 changes, instead don't recurse if RECUR is already true.
4530         Don't change *dynamic_check if RECUR.  Adjust recursive caller
4531         to pass true to the new argument.
4532         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
4534         PR target/70059
4535         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4536         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
4537         fixes.
4538         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
4540 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
4542         PR rtl-optimization/57676
4543         * lra-assigns.c (lra_assign): Guard test for maximum iterations
4544         with flag_checking.
4546 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
4548         * tree-vect-patterns.c (search_type_for_mask): Handle
4549         comparison of booleans.
4551 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
4553         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
4554         Fix @xref usage.
4556         PR debug/69947
4557         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
4558         all other ops that have dw_val_class_die_ref operands,
4559         and DW_OP_GNU_entry_value.
4561 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4563         PR rtl-optimization/69904
4564         * config/arm/arm.c (arm_cannot_copy_insn_p):
4565         Return true for load-exclusive instructions.
4567 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
4569         PR target/70021
4570         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
4571         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
4572         the pattern no matter if it is used just by non-pattern, pattern
4573         or mix thereof.
4574         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
4575         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
4576         oprnd1 def_stmt is in pattern, don't look through it.
4578 2016-03-03  Marek Polacek  <polacek@redhat.com>
4580         PR middle-end/70050
4581         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
4583 2016-03-03  Martin Liska  <mliska@suse.cz>
4585         PR tree-optimization/70043
4586         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
4587         previous statement if we see a debug statement.
4589 2016-03-03  Richard Biener  <rguenther@suse.de>
4591         PR tree-optimization/55936
4592         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
4593         parameter and guard unsafe equivalence use.
4594         (vrp_evaluate_conditional_warnv_with_ops): Always use
4595         safe equivalences but not via the quadratic compare_names
4596         helper.
4598 2016-03-03  Michael Collison  <michael.collison@linaro.org>
4600         PR target/70014
4601         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
4602         for operand 1 to s_register_operand. Change predicate for operand
4603         2 to arm_not_immediate_operand.
4605 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
4607         * doc/tm.texi: Regenerated.
4609 2016-03-02  Richard Henderson  <rth@redhat.com>
4611         PR rtl-opt/67145
4612         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
4613         simplification when all args are positive non-fixed registers.
4615 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4617         * target.def (lra_p): Specify that new ports should use LRA.
4619 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
4621         PR libgomp/69555
4622         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
4623         gimplify_type_sizes the type they refer to.
4624         (omp_notice_variable): Handle reference vars to VLAs.
4625         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
4626         reference to VLA decls in the second pass instead of first pass.
4628 2016-03-02  Tom de Vries  <tom@codesourcery.com>
4630         PR tree-optimization/68659
4631         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
4632         new_expr == NULL_TREE.
4633         (get_new_name): Handle ADDR_EXPR.
4635 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
4637         PR rtl-optimization/69052
4638         * loop-invariant.c (canonicalize_address): New function.
4639         (inv_can_prop_to_addr_use): Check validity of address expression
4640         which is canonicalized by above function.
4642 2016-03-02  Alan Modra  <amodra@gmail.com>
4644         PR ipa/69990
4645         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
4646         larger alignment.
4648 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
4650         PR target/70028
4651         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
4652         (*movhi_internal): Put mask moves from and to memory separately
4653         from moves from/to GPRs.
4655 2016-03-02  Richard Biener  <rguenther@suse.de>
4657         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
4658         GENERIC expressions in GIMPLE.
4660 2016-03-02  Richard Biener  <rguenther@suse.de>
4662         * config/i386/i386.c (type_natural_mode): Fix typo.
4664 2016-03-02  Nick Clifton  <nickc@redhat.com>
4666         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
4668 2016-03-02  Richard Biener  <rguenther@suse.de>
4669             Uros Bizjak  <ubizjak@gmail.com>
4671         PR target/67278
4672         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
4674 2016-03-02  Richard Biener  <rguenther@suse.de>
4676         PR middle-end/67278
4677         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
4679 2016-03-02  Marek Polacek  <polacek@redhat.com>
4681         PR c/67854
4682         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
4683         "is promoted to" warning.
4685 2016-03-01  DJ Delorie  <dj@redhat.com>
4687         * config.gcc: Deprecate mep-*.
4689 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
4691         PR middle-end/70025
4692         * lra-constraints.c (regno_val_use_in): New.
4693         (match_reload): Use it instead of regno_use_in.
4695 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
4697         PR rtl-optimization/70007
4698         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
4699         references present in REG_EQUAL notes attached to non-SET patterns.
4701 2016-03-01  Jeff Law  <law@redhat.com>
4703         PR tree-optimization/69196
4704         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4705         Appropriately clamp the number of statements to copy when the
4706         thread path does not traverse a loop backedge.
4708         PR tree-optimization/69196
4709         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4710         Do count some PHIs in the thread path against the insn count.  Decrease
4711         final statement count by one as the control statement in the last
4712         block will get removed.  Remove special cased code for handling PHIs
4713         in the last block.
4715 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
4717         PR target/70027
4718         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
4719         asm dialect alternatives to explicit GOTPCREL calls.
4721 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
4723         PR ada/70017
4724         * ira.c (do_reload): Issue warning for generic stack checking here...
4725         * reload1.c (reload): ...instead of here and streamline it.
4727 2016-03-01  Nick Clifton  <nickc@redhat.com>
4729         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
4731 2016-03-01  Richard Biener  <rguenther@suse.de>
4733         PR tree-optimization/69983
4734         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
4735         types and fall back to operand_equal_p.
4737 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4739         Revert
4740         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4742         * config/s390/constraints.md ("jm8"): New constraint.
4743         * config/s390/predicates.md ("const_int_8bitset_operand"): New
4744         predicate.
4745         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
4746         into ...
4747         ("*setmem_long<setmem_and>"): New pattern.
4748         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
4749         into ...
4750         ("*setmem_long_31z<setmem_and>"): New pattern.
4751         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
4752         New substitution rules with the required attributes.
4755 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4757         Revert
4758         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4760         * gensupport.c (process_substs_on_one_elem): Split loop to
4761         complete mark_operands_used_in_match_dup on all expressions in the
4762         vector first.
4763         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4764         and remove function.
4766 2016-03-01  Richard Biener  <rguenther@suse.de>
4768         PR middle-end/70022
4769         * fold-const.c (fold_indirect_ref_1): Fix range checking for
4770         vector BIT_FIELD_REF extract.
4772 2016-03-01  Richard Biener  <rguenther@suse.de>
4774         PR tree-optimization/69994
4775         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
4777 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
4779         PR tree-optimization/69956
4780         * tree-vect-stmts.c (supportable_widening_operation): Support
4781         multi-step conversion of boolean vectors.
4782         (supportable_narrowing_operation): Likewise.
4784 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4786         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
4787         anymore.
4789 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4791         * config/s390/subst.md (DSI_VI): New mode iterator.
4792         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
4793         * config/s390/vector.md ("vec_set<mode>"): Move expander before
4794         the insn definition.
4795         ("*vec_set<mode>"): Change predicate and add alternative to
4796         support only either register or const_int operands as element
4797         selector.
4798         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
4799         operands.
4800         ("vec_extract<mode>"): New expander.
4801         ("*vec_extract<mode>"): New insn definition supporting reg and
4802         const_int element selectors.
4803         ("*vec_extract<mode>_plus"): New insn definition supporting
4804         reg+const_int element selectors.
4805         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
4806         following expander+insn definition.
4807         ("<vec_shifts_name><mode>3"): New expander.
4808         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
4810 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4812         * config/s390/s390.md ("*tabort_1"): Change predicate to
4813         nonmemory_operand.  Add a second alternative to cover
4814         register as well as const int operands.
4815         ("*tabort_1_plus"): New pattern definition.
4817 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4819         * config/s390/s390.md ("*ashrdi3_cc_31")
4820         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
4821         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
4822         Merge insn definitions into ...
4823         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4824         New pattern definition.
4825         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
4826         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
4827         ("*ashr<mode>3_and"): Merge insn definitions into ...
4828         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4829         New pattern definition.
4830         * config/s390/subst.md ("addr_style_op_cc_subst")
4831         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
4832         substitutions patterns plus attributes.
4833         Add ashiftrt to SUBST iterator.
4835 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4837         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
4838         op2 to nonmemory_operand.
4839         ("*<shift>di3_31", "*<shift>di3_31_and"):
4840         Merge into single pattern definition ...
4841         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
4842         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
4843         pattern definition ...
4844         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
4845         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
4846         iterator.
4848 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4850         * config/s390/predicates.md (const_int_6bitset_operand): New
4851         predicate.
4852         * config/s390/s390.md: Include subst.md.
4853         ("rotl<mode>3"): New expander.
4854         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
4855         ...
4856         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
4857         * config/s390/subst.md: New file.
4859 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4861         * config/s390/s390.md ("op_type", "atype", "length" attributes):
4862         Remove RRR type.  It doesn't really exist.
4863         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
4864         attributes.
4865         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
4866         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
4867         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
4868         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
4869         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
4870         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
4871         `enabled' attribute.
4873 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4875         * gensupport.c (process_substs_on_one_elem): Split loop to
4876         complete mark_operands_used_in_match_dup on all expressions in the
4877         vector first.
4878         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4879         and remove function.
4881 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4883         PR target/69706
4884         * config/sparc/sparc.c (NWORDS_UP): Rename to...
4885         (CEIL_NWORDS): ...this.  Use CEIL macro.
4886         (compute_fp_layout): Adjust to above renaming.
4887         (function_arg_union_value): Likewise.
4888         (sparc_arg_partial_bytes): Likewise.
4889         (sparc_function_arg_advance): Likewise.
4891 2016-02-29  Jeff Law  <law@redhat.com>
4893         PR tree-optimization/70005
4894         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
4895         where an object with a boolean range is compared against a value
4896         outside [0..1].
4898         PR tree-optimization/69999
4899         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
4900         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
4901         loop cleanups.
4903 2016-02-29  Richard Biener  <rguenther@suse.de>
4905         PR tree-optimization/69994
4906         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
4907         (get_unary_op): Look through nop conversions.
4908         (ops_equal_values_p): New function, look for equality diregarding
4909         nop conversions.
4910         (eliminate_plus_minus_pair): Use ops_equal_values_p
4911         (repropagate_negates): Do not use get_unary_op here.
4913 2016-02-29  Martin Liska  <mliska@suse.cz>
4915         * system.h: Poison ENABLE_CHECKING macro.
4917 2016-02-29  Martin Liska  <mliska@suse.cz>
4919         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
4920         is presented in dump flags.
4921         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4922         (hsa_regalloc): Likewise.
4924 2016-02-19  Richard Biener  <rguenther@suse.de>
4926         PR tree-optimization/69980
4927         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
4928         permutation of those we need to keep.
4930 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4932         PR target/69706
4933         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
4934         (NWORDS_UP): ...this
4935         (init_cumulative_args): Minor tweaks.
4936         (sparc_promote_function_mode): Likewise.
4937         (scan_record_type): Delete.
4938         (traverse_record_type): New function template.
4939         (classify_data_t): New structure type.
4940         (classify_registers): New inline function.
4941         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
4942         exhausted.  Instantiate traverse_record_type on classify_registers and
4943         deal with the case of a structure passed in slot #15 with no FP field
4944         in the first word.
4945         (assign_data_t): New structure type.
4946         (compute_int_layout): New static function.
4947         (compute_fp_layout): Likewise.
4948         (count_registers): New inline function.
4949         (assign_int_registers): New static function.
4950         (assign_fp_registers): Likewise.
4951         (assign_registers): New inline function.
4952         (function_arg_record_value_1): Delete.
4953         (function_arg_record_value_2): Likewise.
4954         (function_arg_record_value_3): Likewise.
4955         (function_arg_record_value): Adjust to above changes.  Instantiate
4956         traverse_record_type on count_registers to first count the number of
4957         registers to be used and then on assign_registers to assign them.
4958         (function_arg_union_value): Adjust to above renaming.
4959         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
4960         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
4961         case of a structure passed in slot #15
4962         (sparc_function_arg_advance): Likewise.
4963         (function_arg_padding): Minor tweak.
4965 2016-02-29  Richard Biener  <rguenther@suse.de>
4967         PR tree-optimization/69720
4968         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
4969         the adjustment_def path for possibly vectorized defs.
4970         (vect_create_epilog_for_reduction): Handle vectorized initial
4971         defs properly.
4973 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
4975         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
4977 2016-02-27  Jeff Law  <law@redhat.com>
4979         Revert
4980         2016-02-26  Richard Biener  <rguenther@suse.de>
4981                     Jeff Law  <law@redhat.com>
4983         PR tree-optimization/69740
4984         * cfghooks.c (remove_edge): Request loop fixups if we delete
4985         an edge that might turn an irreducible loop into a natural
4986         loop.
4988 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
4990         PR rtl-optimization/69896
4991         * tree-vect-generic.c (get_compute_type): Avoid single element
4992         vector types.
4994 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
4996         Rename the AArch64 tuning option and related functions to enable the
4997         Newton series for the reciprocal square root to reflect its
4998         approximative characteristic.
5000         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
5001         function to "aarch64_emit_approx_rsqrt".
5002         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
5003         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
5004         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
5005         (xgene1_tunings): Likewise.
5006         (use_rsqrt_p): Likewise.
5007         (aarch64_emit_swrsqrt): Use new function name.
5008         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
5009         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
5010         text explaining this option.
5011         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
5013 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
5015         PR target/69969
5016         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
5017         complain about -mallow-movmisalign without -mvsx if
5018         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
5020 2016-02-26  Joel Sherrill  <joel@rtems.org>
5022         * config.gcc: Add x86_64-*-rtems*.
5023         * gcc/config/i386/rtems-64.h: New file.
5025 2016-02-26  Joel Sherrill  <joel@rtems.org>
5027         * config.gcc: Add aarch64-*-rtems*.
5028         * gcc/config/aarch64/rtems.h: New file.
5030 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
5032         PR target/69946
5033         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
5034         shift amount using %h.  Add comment.
5036 2016-02-26  Richard Biener  <rguenther@suse.de>
5037             Jeff Law  <law@redhat.com>
5039         PR tree-optimization/69740
5040         * cfghooks.c (remove_edge): Request loop fixups if we delete
5041         an edge that might turn an irreducible loop into a natural
5042         loop.
5044 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5046         PR middle-end/69920
5047         * tree-sra.c (sra_modify_assign): Do not remove loads of
5048         uninitialized aggregates to SSA_NAMEs.
5050 2016-02-26  Richard Henderson  <rth@redhat.com>
5052         PR target/69709
5053         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
5054         pseudo in case the target rtx matches the source of the left
5055         shift.
5057 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5059         PR hsa/69568
5060         * hsa.h (hsa_type_packed_p): Declare.
5061         * hsa.c (hsa_type_packed_p): New function.
5062         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
5063         loads.
5064         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
5065         * hsa-brig.c (emit_basic_insn): Likewise.
5067 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5069         pr hsa/69674
5070         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
5071         pointers.
5072         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
5074 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5076         * hsa.h (is_a_helper): New overload for hsa_op_immed for
5077         hsa_op_with_type operands.
5078         (hsa_unsigned_type_for_type): Declare.
5079         * hsa.c (hsa_unsigned_type_for_type): New function.
5080         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
5081         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
5082         the finalizer.  Do not emit extra move.
5084 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5086         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
5087         atomic operations in private segment.
5089 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5091         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
5092         statements to wi->info.  Also disallow omp simd constructs.
5093         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
5094         for not gridifying.  Dump special string for omp_for.
5096 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5098         PR target/69245
5099         * config/aarch64/aarch64.c (aarch64_set_current_function):
5100         Save/restore target globals when switching to
5101         target_option_default_node.
5103 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5105         PR target/69613
5106         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
5107         Return 0 if !SHIFT_COUNT_TRUNCATED.
5109 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
5110             Eric Botcazou  <ebotcazou@adacore.com>
5112         PR rtl-optimization/69891
5113         * dse.c (scan_insn): If we can't figure out memset arguments
5114         or they are non-constant, call clear_rhs_from_active_local_stores.
5116 2016-02-26  Martin Liska  <mliska@suse.cz>
5118         * doc/extend.texi: Mention clog10, clog10f an clog10l
5119         in Builtins section.
5121 2016-02-26  Martin Liska  <mliska@suse.cz>
5123         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
5124         CHECKING_P.
5125         (resolve_args_picking_1): Likewise.
5126         * dwarf2out.h (struct GTY): Likewise.
5128 2016-02-26  Martin Liska  <mliska@suse.cz>
5130         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
5131         with flag_checking.
5132         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
5134 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
5135             Martin Liska  <mliska@suse.cz>
5137         * doc/install.texi: Mention --enable-valgrind-annotations.
5139 2016-02-26  Richard Biener  <rguenther@suse.de>
5141         PR tree-optimization/69551
5142         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
5143         looking through aliases adjust DECL_PT_UID to refer to the
5144         ultimate alias target.
5146 2016-02-25  Martin Liska  <mliska@suse.cz>
5148         PR middle-end/69919
5149         * alloc-pool.c (after_memory_report): New variable.
5150         * alloc-pool.h (base_pool_allocator ::release): Do not use
5151         the infrastructure if after_memory_report.
5152         * toplev.c (toplev::main): Mark after memory report.
5154 2016-02-25  Richard Biener  <rguenther@suse.de>
5156         PR tree-optimization/48795
5157         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
5159 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
5161         PR driver/68463
5162         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
5163         offloading is enabled and -fopenacc or -fopenmp is specified.
5164         (CRTOFFLOADEND): Likewise.
5165         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
5166         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
5167         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
5168         (offload_objects_file_name): New static var.
5169         (tool_cleanup): Remove offload_objects_file_name file.
5170         (find_offloadbeginend): Replace with ...
5171         (find_crtoffloadtable): ... this.
5172         (run_gcc): Remove offload_argc and offload_argv.
5173         Get offload_objects_file_name from -foffload-objects=... option.
5174         Read names of object files with offload from this file, pass them to
5175         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
5176         don't pass offloadbegin and offloadend to the linker.  Don't pass
5177         offload non-LTO files to the linker, because now they're not claimed.
5179 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
5181         PR ipa/69630
5182         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
5183         on builtin_unreachable.
5185 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
5187         PR rtl-optimization/69896
5188         * regcprop.c: Include cfgrtl.h.
5189         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
5190         than remembered mode, either delete it (if noop_move_p), or
5191         treat like copy_p but not noop_p instruction.
5193 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5195         PR debug/69705
5196         * dwarf2out.c (gen_variable_die): Work around buggy LTO
5197         - allow NULL decl for Fortran DW_TAG_common_block variables.
5199 2016-02-24  Jason Merrill  <jason@redhat.com>
5201         * common.opt (flifetime-dse): Add -flifetime-dse=1.
5203 2016-02-24  Richard Biener  <rguenther@suse.de>
5204             Jakub Jelinek  <jakub@redhat.com>
5206         PR middle-end/69760
5207         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
5208         conditionally executed ops to well-defined overflow behavior.
5210 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5212         PR middle-end/69915
5213         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
5214         elements.
5216 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5218         PR rtl-optimization/69886
5219         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
5220         argument.  Use it when checking validity of set instructions.
5221         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
5222         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
5223         callsite.
5224         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
5225         * store-motion.c (find_moveable_store): Update
5226         can_assign_to_reg_without_clobbers_p callsite.
5228 2016-02-24  Richard Biener  <rguenther@suse.de>
5230         PR middle-end/68963
5231         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
5232         bogus check.
5233         (record_nonwrapping_iv): Do not fall back to the low/high bound
5234         for non-constant IV bases if the stmt is not always executed.
5236 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5238         * config/arm/arm-cores.def (cortex-a32): New entry.
5239         * config/arm/arm-tables.opt: Regenerate.
5240         * config/arm/arm-tune.md: Regenerate.
5241         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
5242         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
5243         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
5244         for -mcpu and -mtune.
5246 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5248         PR target/69875
5249         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
5250         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
5251         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
5252         (atomic_loaddi_1): Delete.
5253         (atomic_loaddi): Rewrite expander using the above changes.
5255 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5257         PR c/69918
5258         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
5259         2 to 3.
5261 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5262             Richard Biener  <rguenth@suse.de>
5264         PR middle-end/69909
5265         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
5266         set_mem_attributes if tem is SSA_NAME which got expanded
5267         as a MEM.
5269 2016-02-24  Richard Biener  <rguenther@suse.de>
5271         PR tree-optimization/69907
5272         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
5273         end of permutations for BB vectorization.
5275 2016-02-24  Christian Bruel  <christian.bruel@st.com>
5277         * config/arm/arm-c.c (arm_option_override): Initialize
5278         target_option_current_node.
5279         * config/arm/arm.c (arm_pragma_target_parse): Replace
5280         build_target_option_node call by target_option_current_node.
5281         Set target_option_current_node.
5282         Fix comments.
5284 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
5286         PR target/69810
5287         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
5288         define_insn_and_split to define_insn.
5289         (zero_extendqi<mode>2_dot2): Same.
5290         (extendqi<mode>2_dot): Same.
5291         (extendqi<mode>2_dot2): Same.
5293 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
5295         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
5296         and add bypass for AES{D,E} and AESMC pairs.
5297         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
5298         and AESMC pairs.
5300 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
5302         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
5303         series for reciprocal square root in Exynos M1.
5305 2016-02-23  Martin Sebor  <msebor@redhat.com>
5307         PR c/69759
5308         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
5309         __builtin_alloca_with_align.
5311 2016-02-23  Richard Henderson  <rth@redhat.com>
5313         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
5314         (ix86_register_pragmas): Remove __seg_tls.
5315         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
5316         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
5317         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
5318         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
5319         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
5320         * doc/extend.texi (__seg_tls): Remove item.
5322 2016-02-23  Richard Biener  <rguenther@suse.de>
5324         * alloc-pool.h (struct allocation_object): Make id member
5325         conditional on CHECKING_P again.
5326         (get_instance): Adjust.
5327         (base_pool_allocator): Likewise.
5329 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
5331         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
5332         (parallelize_loops): In OpenACC kernels mode, set n_threads to
5333         zero.
5334         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
5335         flag_openacc.
5336         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
5338 2016-02-23  Richard Biener  <rguenther@suse.de>
5340         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
5341         * bitmap.h (struct bitmap_usage): Likewise.
5342         (bitmap_move): Declare.
5343         * bitmap.c (register_overhead): Take size_t argument.
5344         (bitmap_move): New function.
5345         * df-problems.c (df_rd_transfer_function): Use bitmap_move
5346         to properly account overhead.
5347         * tree.c (free_node): Use tree_size.
5349 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
5351         PR c++/69902
5352         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
5353         when inverting comparison.
5355         PR c/69900
5356         * common.opt (Wunreachable-code): Add Warning flag.
5358 2016-02-23  Mark Wielaard  <mjw@redhat.com>
5359             Jakub Jelinek  <jakub@redhat.com>
5361         PR c/69911
5362         * cgraphunit.c (check_global_declaration): Check main_input_filename
5363         and DECL_SOURCE_FILE are not NULL.
5365 2016-02-23  Martin Jambor  <mjambor@suse.cz>
5367         PR tree-optimization/69666
5368         * tree-sra.c (sra_modify_assign): Do not attempt to create
5369         default_def replacements for unscalarizable regions.
5371 2016-02-20  Mark Wielaard  <mjw@redhat.com>
5373         PR c/28901
5374         * cgraphunit.c (check_global_declaration): Check level of
5375         warn_unused_const_variable and main_input_filename.
5376         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
5377         (-Wunused-variable): For C implies -Wunused-const-variable=1.
5378         (-Wunused-const-variable): Explain levels 1 and 2.
5380 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
5382         PR target/69888
5383         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
5384         identical arguments.  Formatting and spelling fixes.
5386         PR target/69885
5387         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
5388         be specified.
5390         PR target/69894
5391         PR target/69895
5392         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
5393         and m68k-devices.def.
5394         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
5395         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
5397 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
5399         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
5400         and HImode registers.
5402 2016-02-22  Richard Biener  <rguenther@suse.de>
5404         PR tree-optimization/69882
5405         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
5406         preserve permutations present because of gaps.
5407         (vect_supported_load_permutation_p): Always continue checking
5408         permutations after vect_attempt_slp_rearrange_stmts.
5410 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
5412         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
5413         min_profitable_estimate, rather than min_profitable_iters.
5415 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
5417         PR target/69885
5418         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
5419         SImode for last match_operand.
5421 2016-02-22  Martin Liska  <mliska@suse.cz>
5423         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
5424         return bitsize - 1 as the return value.
5426 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
5428         PR target/69806
5429         PR target/54089
5430         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
5431         Handle negative shift counts.
5432         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
5433         force_reg on the shift constant.
5434         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
5435         (lshrsi3_d): Handle negative shift counts.
5437 2016-02-22  Richard Biener  <rguenther@suse.de>
5438             Tom de Vries  <tom@codesourcery.com>
5440         * graph.c: Include dumpfile.h.
5441         (print_graph_cfg): Split into three overloads.
5442         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
5444 2016-02-22  Tom de Vries  <tom@codesourcery.com>
5446         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
5447         dump-fn.
5449 2016-02-22  Richard Biener  <rguenther@suse.de>
5451         PR ipa/37448
5452         * ipa-inline-transform.c (inline_call): When not updating
5453         overall summaries adjust self size by the growth estimate.
5454         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
5455         hash-set, do not update overall summaries here.  Renamed from ...
5456         (inline_to_all_callers): ... this which is now wrapping the
5457         above and performing delayed overall summary update.
5458         (early_inline_small_functions): Delay updating of the overall
5459         summary.
5461 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
5463         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
5464         variable.
5466 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
5468         PR driver/69805
5469         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
5470         :%* in %:gt() argument.
5471         (greater_than_spec_func): Adjust for expecting only numbers,
5472         if there are more than two numbers, compare the last two.
5474 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
5476         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
5477         -Wnarrowing with -std.
5479 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
5481         PR c++/69851
5482         * expr.c (store_field): Don't use bit-field path if exp is
5483         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
5484         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
5485         and the assignment can be performed by bitwise copy.  Formatting
5486         fix.
5488         PR middle-end/69838
5489         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
5490         call copy_reg_eh_region_note_forward on before and/or after sequences
5491         and remove note from insn if it no longer can throw.
5493         PR target/69820
5494         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
5495         if TARGET_AVX512BW.
5497 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5499         * config/s390/vector.md: Add missing commutative operand markers
5500         to the patterns which qualify for one.
5501         * config/s390/vx-builtins.md: Likewise.
5503 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5505         * config/s390/vector.md (VI, VI_QHS): Add single element vector
5506         types to mode iterators.
5507         (vec_double): ... and mode attribute.
5508         * config/s390/vx-builtins.md (non_vec_int): Likewise.
5510 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5512         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
5513         Change the predicate of op2 from nonimmediate to general and let
5514         reload fix it if necessary.
5516 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5518         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
5520 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5522         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
5523         mode.
5525 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5527         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
5528         * config/s390/s390.c (s390_expand_vec_movstr): New function.
5529         * config/s390/s390.md ("movstr<P:mode>"): Call
5530         s390_expand_vec_movstr.
5532 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5534         * config/s390/s390.md: Add missing output modifier for operand 1
5535         to print it as address properly.
5537 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5539         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
5540         * config/s390/2964.md: New file.
5541         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
5542         of insn grouping attributes depending on the CPU level.
5543         (s390_get_unit_mask): New function.
5544         (s390_sched_score): Remove the OOO from the scheduling macros.
5545         Add loop to calculate a score for the instruction mix.
5546         (s390_sched_reorder): Likewise plus improve debug output.
5547         (s390_sched_variable_issue): Rename macros as above.  Calculate
5548         the unit distances after actually scheduling an insn.  Improve
5549         debug output.
5550         (s390_sched_init): Clear last_scheduled_unit_distance array.
5551         * config/s390/s390.md: Include 2964.md.
5553 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
5555         PR target/69671
5556         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
5557         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
5558         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
5559         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
5560         *avx512f_<code>v8div16qi2_mask_1): New insns.
5562 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
5564         PR target/68404
5565         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
5566         2016-02-09 change.
5568         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
5569         earlyclobber from target.  Use wF constraint for fused memory
5570         address.
5571         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
5573 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
5574             Martin Liska  <mliska@suse.cz>
5576         PR sanitizer/69863
5577         * cfgexpand.c (asan_sanitize_stack_p): New function.
5578         (partition_stack_vars): Use the function.
5579         (expand_stack_vars): Likewise.
5580         (defer_stack_allocation): Likewise.
5581         (expand_used_vars): Likewise.
5583 2016-02-18  Richard Biener  <rguenther@suse.de>
5585         PR middle-end/69553
5586         * fold-const.c (operand_equal_p): Properly compare offsets for
5587         IMAGPART_EXPR and ARRAY_REF.
5589 2016-02-18  Nick Clifton  <nickc@redhat.com>
5591         PR target/62254
5592         PR target/69610
5593         * config/arm/arm.c (arm_option_override_internal): Disable
5594         interworking if the target does not support thumb instructions.
5595         (arm_reload_in_hi): Handle the case where a register to register
5596         move needs reloading because there is no simple pattern to handle
5597         it.
5598         (arm_reload_out_hi): Likewise.
5600 2016-02-18  Richard Biener  <rguenther@suse.de>
5602         PR middle-end/69854
5603         * match.pd: Don't use fold_binary or fold_unary for folding
5604         constants.
5606 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
5608         PR c++/69850
5609         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
5610         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
5611         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
5612         warn on gimple_no_warning_p statements.
5614 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
5616         * doc/extend.texi (C++ Attributes): Correct description of
5617         warn_unused type attribute.
5619 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5621         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
5622         correct instruction.
5624 2016-02-17  Richard Biener  <rguenther@suse.de>
5626         PR rtl-optimization/69609
5627         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
5628         (find_traces_1_round): When ending a trace update cached priority
5629         of successors.
5630         (bb_to_key): Use cached priority when available.
5631         (copy_bb): Initialize cached priority.
5632         (reorder_basic_blocks_software_trace_cache): Likewise.
5634 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5636         PR target/69161
5637         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
5638         New predicate.
5639         (aarch64_comparison_operator): Break overly long line into two.
5640         (aarch64_comparison_operation): Likewise.
5641         * config/aarch64/aarch64.md (cstorecc4): Use
5642         aarch64_comparison_operator_mode instead of
5643         aarch64_comparison_operator.
5644         (cstore<mode>4): Likewise.
5645         (aarch64_cstore<mode>): Likewise.
5646         (*cstoresi_insn_uxtw): Likewise.
5647         (cstore<mode>_neg): Likewise.
5648         (*cstoresi_neg_uxtw): Likewise.
5650 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5652         PR target/69161
5653         * config/arm/predicates.md (arm_comparison_operator_mode):
5654         New predicate.
5655         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
5656         instead of arm_comparison_operator.
5657         (*mov_negscc): Likewise.
5658         (*mov_notscc): Likewise.
5659         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
5660         (*thumb2_mov_negscc): Likewise.
5661         (*thumb2_mov_negscc_strict_it): Likewise.
5662         (*thumb2_mov_notscc): Likewise.
5663         (*thumb2_mov_notscc_strict_it): Likewise.
5665 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
5667         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
5668         Add missing return.
5670 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
5672         * config/visium/visium.c (machine_libfunc_index): New enum.
5673         (machine_libfuncs): New structure.
5674         (visium_libfuncs): New static variable.
5675         (TARGET_INIT_LIBFUNCS): Define to...
5676         (visium_init_libfuncs): ...this.  New function.
5677         (expand_block_move_4): Use the appropriate libfunc.
5678         (expand_block_move_2): Likewise.
5679         (expand_block_move_1): Likewise.
5680         (expand_block_set_4): Likewise.
5681         (expand_block_set_2): Likewise.
5682         (expand_block_set_1): Likewise.
5683         (visium_trampoline_init): Likewise.
5685 2016-02-17  Nick Clifton  <nickc@redhat.com>
5687         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
5688         TI's devices.csv file as of March 2016.
5690 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5692         PR Target/48344
5693         * opts-global.c (handle_common_deferred_options): Introduce and
5694         initialize two global variables to remember command-line options
5695         specifying a stack-limiting register.
5696         * opts.h: Add extern declarations of the two new global variables.
5697         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
5698         variable based on the values of the two new global variables.
5700 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5702         PR c/69835
5703         * common.opt (Wnonnull-compare): New warning.
5704         * doc/invoke.texi (-Wnonnull): Remove text about comparison
5705         of arguments against NULL.
5706         (-Wnonnull-compare): Document.
5707         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
5708         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
5709         * passes.def (pass_warn_nonnull_compare): Add.
5710         * gimple-ssa-nonnull-compare.c: New file.
5712 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5714         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
5715         AARCH64_EXTRA_TUNE_RECIP_SQRT.
5717 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5719         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
5720         reciprocal sqrt for -mlow-precision-recip-sqrt.
5722 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5723             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5725         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
5726         always use lane loads to construct non-constant vectors.
5728 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5730         * config/aarch64/aarch64.md
5731         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
5732         constraints for operand 3.
5733         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
5735 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5736             Richard Biener  <rguenther@suse.de>
5738         PR tree-optimization/69820
5739         * tree-vect-patterns.c (type_conversion_p): Return false if
5740         *orig_type is unsigned single precision or boolean.
5741         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
5742         Formatting fix.
5744 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5746         PR rtl-optimization/69764
5747         PR rtl-optimization/69771
5748         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
5749         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
5751 2016-02-16  Richard Biener  <rguenther@suse.de>
5753         PR tree-optimization/69776
5754         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
5755         sets from caller.
5756         (indirect_refs_may_alias_p): Likewise.
5757         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
5758         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
5759         according to tbaa_p.
5760         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
5761         (optimize_stmt): For redundant store discovery do not allow tbaa.
5763 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
5765         PR tree-optimization/69714
5766         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
5767         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
5769 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
5771         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
5772         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
5773         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
5774         * config/arc/arc.c (arc_init): Check FPU options.
5775         (get_arc_condition_code): Handle new CC_FPU* modes.
5776         (arc_select_cc_mode): Likewise.
5777         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
5778         register pair only. Allow access for ARCv2 accumulator.
5779         (gen_compare_reg): Whenever we have FPU support use FPU compare
5780         instructions.
5781         (arc_reorg): Don't generate brcc insns when FPU compare
5782         instructions are involved.
5783         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
5784         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
5785         floating point emulation.
5786         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
5787         (REVERSE_CONDITION): Add new CC_FPU* modes.
5788         (TARGET_FP_SP_BASE): Define.
5789         (TARGET_FP_DP_BASE): Likewise.
5790         (TARGET_FP_SP_FUSED): Likewise.
5791         (TARGET_FP_DP_FUSED): Likewise.
5792         (TARGET_FP_SP_CONV): Likewise.
5793         (TARGET_FP_DP_CONV): Likewise.
5794         (TARGET_FP_SP_SQRT): Likewise.
5795         (TARGET_FP_DP_SQRT): Likewise.
5796         (TARGET_FP_DP_AX): Likewise.
5797         * config/arc/arc.md (ARCV2_ACC): New constant.
5798         (type): New fpu type attribute.
5799         (SDF): Conditional iterator.
5800         (cstore<mode>, cbranch<mode>): Change expand condition.
5801         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
5802         handles FPU/FPX cases as well.
5803         * config/arc/arc.opt (mfpu): New option.
5804         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
5805         Renamed.
5806         (adddf3, muldf3, subdf3): Removed.
5807         * config/arc/predicates.md (proper_comparison_operator): Recognize
5808         CC_FPU* modes.
5809         * config/arc/fpu.md: New file.
5810         * doc/invoke.texi (ARC Options): Document mfpu option.
5812 2016-02-16  Richard Biener  <rguenther@suse.de>
5814         PR rtl-optimization/69291
5815         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
5816         noce_operand_ok check.
5818 2016-02-16  Tom de Vries  <tom@codesourcery.com>
5820         PR lto/67709
5821         * omp-low.c (simd_clone_create): Remove call to
5822         symtab->call_cgraph_insertion_hooks.
5824 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5826         PR tree-optimization/69802
5827         * tree-ssa-reassoc.c (update_range_test): If op is
5828         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
5829         op == 1 test of precision 1 integral op, otherwise handle
5830         that case as op itself.  Fix up formatting.
5831         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
5832         up formatting.
5834 2016-02-16  Richard Biener  <rguenther@suse.de>
5836         PR tree-optimization/69586
5837         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
5838         types for conversion sources.
5840 2016-02-16  Richard Biener  <rguenther@suse.de>
5842         PR middle-end/69801
5843         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
5844         mask OEP_ADDRESS_OF.
5846 2016-02-16  Alan Modra  <amodra@gmail.com>
5848         PR target/68973
5849         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
5850         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
5851         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
5852         (p8_mtvsrwz): New.
5853         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
5854         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
5855         (p8_fmrgow_<mode>): Likewise.
5856         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
5857         changes.
5858         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
5859         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
5860         to use movdi_internal64.  Remove op0_di.
5861         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
5863 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
5865         Add support for the FCCMP insn types
5867         * config/aarch64/aarch64.md (fccmp): Change insn type.
5868         (fccmpe): Likewise.
5869         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
5870         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
5871         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
5872         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
5873         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
5874         * config/arm/types.md (fccmps): Add new insn type.
5875         (fccmpd): Likewise.
5877 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5879         * alias.c (get_alias_set): Fix a typo in comment.
5881 2016-02-15  Richard Biener  <rguenther@suse.de>
5883         PR tree-optimization/69595
5884         * match.pd: Complete range test simplification to true.
5886 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
5888         PR rtl-optimization/69648
5889         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
5890         pic_offset_table_rtx.
5892         PR rtl-optimization/69752
5893         * ira.c (update_equiv_regs): When looking for more than a single SET,
5894         also take other side effects into account.
5896 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5898         * config/s390/s390.c (s390_function_profiler): Add a new sequence
5899         for z900+ CPUs in 31-bit mode.
5901 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5903         * common/config/s390/s390-common.c (s390_supports_split_stack):
5904         New function.
5905         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
5906         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
5907         * config/s390/s390.c (struct machine_function): New field
5908         split_stack_varargs_pointer.
5909         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
5910         in s390_emit_prologue.
5911         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
5912         vararg pointer.
5913         (morestack_ref): New global.
5914         (SPLIT_STACK_AVAILABLE): New macro.
5915         (s390_expand_split_stack_prologue): New function.
5916         (s390_live_on_entry): New function.
5917         (s390_va_start): Use split-stack vararg pointer if appropriate.
5918         (s390_asm_file_end): Emit the split-stack note sections.
5919         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
5920         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
5921         (UNSPECV_SPLIT_STACK_CALL): New unspec.
5922         (UNSPECV_SPLIT_STACK_DATA): New unspec.
5923         (split_stack_prologue): New expand.
5924         (split_stack_space_check): New expand.
5925         (split_stack_data): New insn.
5926         (split_stack_call): New expand.
5927         (split_stack_call_*): New insn.
5928         (split_stack_cond_call): New expand.
5929         (split_stack_cond_call_*): New insn.
5931 2016-02-15  Richard Biener  <rguenther@suse.de>
5933         PR tree-optimization/69783
5934         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5935         Add trivially correct cases.
5937 2016-02-15  Tom de Vries  <tom@codesourcery.com>
5939         PR lto/69655
5940         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
5941         do_force_output.
5942         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
5944 2016-02-15  Richard Biener  <rguenther@suse.de>
5946         PR tree-optimization/69776
5947         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5948         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
5949         indicate whether we can use TBAA to disambiguate against stores.
5950         Use alias-set zero if not.
5951         (visit_reference_op_store): Do not use TBAA when looking up
5952         redundant stores.
5953         * tree-ssa-pre.c (compute_avail): Use TBAA here.
5954         (eliminate_dom_walker::before_dom_children): But not when looking
5955         up redundant stores.
5957 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
5959         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
5961 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
5963         *  config/i386/znver1.md
5964         (znver1_pop, znver1_pop_mem,
5965         znver1_load_imov_double_store,
5966         znver1_load_imov_direct_store,
5967         znver1_load_imov_direct_load,
5968         znver1_load_imov_double_load): Add new.
5969         (znver1_insn, znver1_insn_load): Add icmov type.
5970         (znver1_sseavx_fma,
5971         znver1_sseavx_fma_load,
5972         znver1_avx256_fma,
5973         znver1_avx256_fma_load): Fix pipe usage.
5975 2016-02-14  Alan Modra  <amodra@gmail.com>
5977         PR target/68973
5978         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
5979         with an invalid hard reg, reload just the reg not the entire
5980         pre/post-inc/dec address expression.
5982 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5984         PR target/67260
5985         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
5986         fixed R1_REG scratch reg.
5987         (sibcall_value_pcrel_fdpic): Likewise.
5989 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5991         PR target/67636
5992         PR target/64345
5993         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
5995 2016-02-12  Walter Lee  <walt@tilera.com>
5997         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
5998         * config/tilegx/t-tilegx: Likewise.
6000 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
6002         PR other/69554
6003         * diagnostic-show-locus.c (struct line_span): New struct.
6004         (layout::get_first_line): Delete.
6005         (layout::get_last_line): Delete.
6006         (layout::get_num_line_spans): New member function.
6007         (layout::get_line_span): Likewise.
6008         (layout::print_heading_for_line_span_index_p): Likewise.
6009         (layout::get_expanded_location): Likewise.
6010         (layout::calculate_line_spans): Likewise.
6011         (layout::m_first_line): Delete.
6012         (layout::m_last_line): Delete.
6013         (layout::m_line_spans): New field.
6014         (layout::layout): Update comment.  Replace m_first_line and
6015         m_last_line with m_line_spans, replacing their initialization
6016         with a call to calculate_line_spans.
6017         (diagnostic_show_locus): When printing source lines and
6018         annotations, rather than looping over a single span
6019         of lines, instead loop over each line_span within
6020         the layout, with an inner loop over the lines within them.
6021         Call the context's start_span callback when changing line spans.
6022         * diagnostic.c (diagnostic_initialize): Initialize start_span.
6023         (diagnostic_build_prefix): Break out the building of the location
6024         part of the string into...
6025         (diagnostic_get_location_text): ...this new function, rewriting
6026         it from nested ternary expressions to a sequence of "if"
6027         statements.
6028         (default_diagnostic_start_span_fn): New function.
6029         * diagnostic.h (diagnostic_start_span_fn): New typedef.
6030         (diagnostic_context::start_span): New field.
6031         (default_diagnostic_start_span_fn): New prototype.
6033 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
6035         PR driver/69779
6036         * gcc.c (driver::finalize): Fix cleanup of "specs".
6038 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
6040         PR driver/69265
6041         PR driver/69453
6042         * gcc.c (driver::driver): Initialize m_option_suggestions.
6043         (driver::~driver): Clean up m_option_suggestions.
6044         (suggest_option): Convert to...
6045         (driver::suggest_option): ...this, and split out into
6046         driver::build_option_suggestions and find_closest_string.
6047         (driver::build_option_suggestions): New function, from
6048         first half of suggest_option.  Special-case
6049         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
6050         the sanitizer_opts array.  For options of enum types, add the
6051         various enum values to the candidate strings.
6052         (driver::handle_unrecognized_options): Remove "const".
6053         * gcc.h (driver::handle_unrecognized_options): Likewise.
6054         (driver::build_option_suggestions): New decl.
6055         (driver::suggest_option): New decl.
6056         (driver::m_option_suggestions): New field.
6057         * opts-common.c (add_misspelling_candidates): New function.
6058         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
6059         and make non-static.
6060         * opts.h (sanitizer_opts): New array decl.
6061         (add_misspelling_candidates): New function decl.
6062         * spellcheck.c (find_closest_string): New function.
6063         * spellcheck.h (find_closest_string): New function decl.
6065 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
6067         PR rtl-optimization/69764
6068         PR rtl-optimization/69771
6069         * optabs.c (expand_binop_directly): For shift_optab_p, force
6070         convert_modes with VOIDmode if xop1 has VOIDmode.
6072 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
6074         PR target/69729
6075         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
6076         to correctly determine instrumentation thunks.
6078 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
6080         PR ipa/69241
6081         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
6082         type by reference, force lhs on the call.
6084         PR ipa/68672
6085         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
6086         Compute retval and retbnd early in all cases if split_part_return_p
6087         and return_bb is not EXIT.  Remove all clobber stmts and reset
6088         all debug stmts that refer to SSA_NAMEs defined in split part,
6089         except if it is retval, in that case replace the old retval with the
6090         lhs of the call to the split part.
6092 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
6094         revert:
6095         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
6097         PR middle-end/66726
6098         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
6099         whose result is used in PHI.
6100         (maybe_optimize_range_tests): Likewise.
6101         (final_range_test_p): Likweise.
6103 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
6105         PR middle-end/66726
6106         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
6107         whose result is used in PHI.
6108         (maybe_optimize_range_tests): Likewise.
6109         (final_range_test_p): Likweise.
6111 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
6113         * cgraph.c: Spelling fixes - behaviour -> behavior and
6114         neighbour -> neighbor.
6115         * target.def: Likewise.
6116         * sel-sched.c: Likewise.
6117         * config/mips/mips.c: Likewise.
6118         * config/arc/arc.md: Likewise.
6119         * config/arm/cortex-a57.md: Likewise.
6120         * config/arm/arm.c: Likewise.
6121         * config/arm/neon.md: Likewise.
6122         * config/arm/arm-c.c: Likewise.
6123         * config/vms/vms-c.c: Likewise.
6124         * config/s390/s390.c: Likewise.
6125         * config/i386/znver1.md: Likewise.
6126         * config/i386/i386.c: Likewise.
6127         * config/ia64/hpux-unix2003.h: Likewise.
6128         * config/msp430/msp430.md: Likewise.
6129         * config/rx/rx.c: Likewise.
6130         * config/rx/rx.md: Likewise.
6131         * config/aarch64/aarch64-simd.md: Likewise.
6132         * config/aarch64/aarch64.c: Likewise.
6133         * config/nvptx/nvptx.c: Likewise.
6134         * config/bfin/bfin.c: Likewise.
6135         * config/cris/cris.opt: Likewise.
6136         * config/rs6000/rs6000.c: Likewise.
6137         * target.h: Likewise.
6138         * spellcheck.c: Likewise.
6139         * ira-build.c: Likewise.
6140         * tree-inline.c: Likewise.
6141         * builtins.c: Likewise.
6142         * lra-constraints.c: Likewise.
6143         * explow.c: Likewise.
6144         * hwint.h: Likewise.
6145         * targhooks.c: Likewise.
6146         * tree-vect-data-refs.c: Likewise.
6147         * expr.c: Likewise.
6148         * doc/tm.texi: Likewise.
6149         * doc/extend.texi: Likewise.
6150         * doc/install.texi: Likewise.
6151         * doc/md.texi: Likewise.
6152         * tree-ssa-tail-merge.c: Likewise.
6153         * sched-int.h: Likewise.
6154         * match.pd: Likewise.
6155         * sched-ebb.c: Likewise.
6156         * target.def (omit_struct_return_reg): Likewise.
6157         * gimple-ssa-isolate-paths.c: Likewise.
6158         (find_implicit_erroneous_behaviour): Renamed to...
6159         (find_implicit_erroneous_behavior): ... this.
6160         (find_explicit_erroneous_behaviour): Renamed to...
6161         (find_explicit_erroneous_behavior): ... this.
6162         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
6164 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
6166         PR rtl-optimization/64682
6167         PR rtl-optimization/69567
6168         PR rtl-optimization/69737
6169         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
6170         in I2 as well, just lose it.
6172 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6174         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
6175         New variable.
6176         (aarch64_last_printed_tune_string): Likewise.
6177         (aarch64_declare_function_name): Only output .arch assembler
6178         directive if it will be different from the previously output
6179         directive.  Same for .tune comment but only if -dA is set.
6180         (aarch64_start_file): New function.
6181         (TARGET_ASM_FILE_START): Define.
6183 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
6185         PR plugins/69758
6186         * Makefile.in (PLUGIN_HEADERS): Add params.list.
6188 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
6190         PR target/65313
6191         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
6192         -Wmaybe-uninitialized warning.
6194 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
6196         PR target/69713
6197         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
6199 2016-02-11  Richard Biener  <rguenther@suse.de>
6201         PR rtl-optimization/69291
6202         * ifcvt.c (noce_try_store_flag_constants): Do not allow
6203         subexpressions affected by changing the result.
6205 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
6207         PR target/69148
6208         * lra-constraints.c (curr_insn_transform): Find in/out operands
6209         for secondary memory moves.  Update dups.
6211 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
6213         PR tree-optimization/69652
6214         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
6215         to nested loop, did source re-formatting, skip debug statements,
6216         add check on statement with volatile operand, remove dead scalar
6217         statements.
6219 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
6220             Patrick Palka  <ppalka@gcc.gnu.org>
6222         PR ipa/69241
6223         PR c++/69649
6224         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
6225         calls if the return type is TREE_ADDRESSABLE.
6226         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
6227         * ipa-split.c (split_function): Fix doubled "we" in comment.
6228         Use void return type for the split part even if
6229         !split_point->split_part_set_retval.
6231 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
6233         PR tree-optimization/68021
6234         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
6235         when computing the value of biv cand by itself.
6237 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
6239         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
6240         (cortexa57_tunings): Likewise.
6241         (cortexa72_tunings): Likewise.
6242         (arch_macro_fusion_pair_p): Add support for AES fusion.
6243         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
6244         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
6245         Allow virtual registers before reload so early scheduling works.
6246         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
6247         correct latency and pipeline.
6248         (cortex_a57_crypto_complex): Likewise.
6249         (cortex_a57_crypto_xor): Likewise.
6250         (define_bypass): Add AES bypass.
6252 2016-02-10  Richard Biener  <rguenther@suse.de>
6254         PR tree-optimization/69726
6255         * passes.def: Add DCE pass before late uninit.
6256         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
6257         really fixup if-conversions job.
6259 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
6261         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
6262         (arm_cortex_a57_tune): Likewise.
6263         (aarch_macro_fusion_pair_p): Add support for AES fusion.
6264         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
6266 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
6268         * timevar.def (TV_PHASE_DBGINFO): Delete.
6269         (TV_PHASE_CHECK_DBGINFO): Likewise.
6270         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
6272 2016-02-10  Richard Biener  <rguenther@suse.de>
6274         PR tree-optimization/69719
6275         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6276         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
6278 2016-02-09  Andrew Pinski  <apinski@cavium.com>
6280         PR tree-opt/69282
6281         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
6282         get_vcond_mask_icode returns false.
6284 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
6286         PR target/68404
6287         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
6288         an ADDIS that adds a pointer to a large constant that sets the
6289         upper16 bits with a load operation.
6291 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
6293         PR target/68532
6294         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
6295         order.
6296         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
6297         endian.
6298         (vzipq_s16): Likewise.
6299         (vzipq_s32): Likewise.
6300         (vzipq_f32): Likewise.
6301         (vzipq_u8): Likewise.
6302         (vzipq_u16): Likewise.
6303         (vzipq_u32): Likewise.
6304         (vzipq_p8): Likewise.
6305         (vzipq_p16): Likewise.
6307 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
6309         PR target/68532
6310         * config/arm/arm.c (neon_endian_lane_map): New function.
6311         (neon_vector_pair_endian_lane_map): New function.
6312         (arm_evpc_neon_vuzp): Allow for big endian lane order.
6313         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
6314         endian.
6315         (vuzpq_s16): Likewise.
6316         (vuzpq_s32): Likewise.
6317         (vuzpq_f32): Likewise.
6318         (vuzpq_u8): Likewise.
6319         (vuzpq_u16): Likewise.
6320         (vuzpq_u32): Likewise.
6321         (vuzpq_p8): Likewise.
6322         (vuzpq_p16): Likewise.
6324 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
6326         PR target/69634
6327         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
6328         debug insns.
6330 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
6332         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
6333         truncate const_int operand 1 to QImode.
6335 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
6337         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
6338         corresponding to an abnormal edge.
6340 2016-02-09  Tom de Vries  <tom@codesourcery.com>
6342         PR tree-optimization/69599
6343         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
6344         function.
6345         (find_func_aliases_for_builtin_call, find_func_clobbers)
6346         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
6347         partition.
6349 2016-02-09  Richard Biener  <rguenther@suse.de>
6351         PR tree-optimization/69715
6352         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
6353         LHS on calls as non-rewritable.
6355 2016-02-09  Tom de Vries  <tom@codesourcery.com>
6357         PR lto/69707
6358         * lto-wrapper.c (append_diag_options): New function.
6359         (compile_offload_image): Call append_diag_options.
6361 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
6363         PR other/69722
6364         * doc/extend.texi (Flag Output Operands): Correct sectioning.
6365         Minor copy-edit to fix verb tenses.
6367 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
6369         PR tree-optimization/69209
6370         * ipa-split.c (split_function): If split part is not
6371         returning retval, retval has gimple type but is not
6372         gimple value, force it into a SSA_NAME first.
6374 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
6376         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
6377         outdated section.
6379 2016-02-08  Jason Merrill  <jason@redhat.com>
6381         PR c++/69631
6382         * convert.c (convert_to_integer_1): Check dofold on truncation
6383         distribution.
6384         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
6385         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
6386         Rename from *_nofold.
6387         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
6388         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
6390 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
6392         PR target/60410
6393         * tree.c (build_common_tree_nodes): Remove short_double argument.
6394         All callers changed.
6395         * tree.h (build_common_tree_nodes): Adjust declaration.
6396         * doc/invoke.texi (-fshort-double): Remove documentation.
6397         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6398         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
6399         * lto-wrapper.c (merge_and_complain, append_compiler_options)
6400         (append_linker_options): Don't handle OPT_fshort_double.
6402         PR rtl-optimization/68730
6403         * lra-remat.c (insn_to_cand_activation): New static variable.
6404         (lra_remat): Allocate and free it.
6405         (create_cand): New arg activation. Initialize a field in
6406         insn_to_cand_activation if it is nonnull.
6407         (create_cands): Pass the activation insn to create_cand when making
6408         a candidate involving an output reload.  Reorganize code a little.
6409         (do_remat): Keep track of active status of candidates in a separate
6410         bitmap.
6412 2016-02-08  Richard Biener  <rguenther@suse.de>
6414         PR tree-optimization/69719
6415         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6416         Properly use absolute of the difference of the two offsets to
6417         compare or adjust the segment length.
6419 2016-02-08  Richard Biener  <rguenther@suse.de>
6420             Jeff Law  <law@redhat.com>
6422         PR target/68273
6423         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
6424         types for anonymous SSA names.
6426 2016-02-08   Richard Biener  <rguenther@suse.de>
6428         PR rtl-optimization/69274
6429         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
6431 2016-02-08  Jeff Law  <law@redhat.com>
6433         PR tree-optimization/65917
6434         * tree-ssa-dom.c (record_temporary_equivalences): Record both
6435         equivalences from if (x == y) style conditionals.
6436         (loop_depth_of_name): Remove.
6437         (record_equality): Remove loop depth check.
6438         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
6439         (const_and_copies::record_const_or_copy_raw): New member function.
6440         * tree-ssa-scopedtables.c
6441         (const_and_copies::record_const_or_copy_raw): New, factored out of
6442         (const_and_copies::record_const_or_copy): Call new member function.
6444 2016-02-05  Jeff Law  <law@redhat.com>
6446         PR tree-optimization/68541
6447         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
6448         (count_stmts_in_block): New function.
6449         (poor_ifcvt_candidate_code): Likewise.
6450         (is_feasible_trace): Add some heuristics to determine when path
6451         splitting is profitable.
6452         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
6453         is a diamond with a single exit.
6455 2016-02-05  Martin Sebor  <msebor@redhat.com>
6457         PR c++/69662
6458         * doc/invoke.texi: Update -Wplacement-new to take an optional
6459         argument.
6461 2016-02-06  Richard Henderson  <rth@redhat.com>
6463         PR c/69643
6464         * tree.c (tree_nop_conversion_p): Do not strip casts into or
6465         out of non-standard address spaces.
6467 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
6469         PR rtl-optimization/69691
6470         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
6472 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
6474         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
6475         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
6476         (*ieee128_mfvsrd_64bit): Likewise.
6477         (*ieee128_mfvsrd_32bit): Likewise.
6479 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
6481         PR target/69369
6482         Revert r232560:
6483         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
6485         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
6486         instrumented_version.
6488 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
6490         * doc/invoke.texi (Optimize Options): In table of --param options
6491         rename second occurrence of tracer-min-branch-ratio to
6492         tracer-min-branch-probability, rename
6493         tracer-min-branch-ratio-feedback to
6494         tracer-min-branch-probability-feedback and clarify description,
6495         rename sched-spec-state-edge-prob-cutoff to
6496         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
6497         to selsched-insns-to-rename, rename lto-minpartition to
6498         lto-min-partition, delete reorder-blocks-duplicate and
6499         reorder-blocks-duplicate-feedback.
6501 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6503         * config/s390/s390.c (s390_register_info_set_ranges): Remove
6504         superfluous loops.
6506 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6508         * doc/extend.texi: S/390: Correct some typos.
6510 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6512         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
6514 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6516         PR target/69625
6517         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
6518         (s390_register_info_gprtofpr): Use new macros above.
6519         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
6520         its name.
6521         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
6522         its name.  Adjust restore and save gpr ranges.
6523         (s390_register_info_set_ranges): New function.
6524         (s390_register_info): Use new macros above.  Call
6525         s390_register_info_set_ranges.
6526         (s390_optimize_register_info): Likewise.
6527         (s390_hard_regno_rename_ok): Use new macros.
6528         (s390_hard_regno_scratch_ok): Likewise.
6529         (s390_emit_epilogue): Likewise.
6530         (s390_can_use_return_insn): Likewise.
6531         (s390_optimize_prologue): Likewise.
6532         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
6534 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
6536         PR bootstrap/69677
6537         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
6538         alignment fixes.
6539         (ix86_option_override_internal): Disable TARGET_STV even for
6540         -m{incoming,preferred}-stack-boundary=3.
6542 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6544         * config.gcc: Mark deprecated rtems targets as obsolete.
6546 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
6548         PR rtl-optimization/64682
6549         PR rtl-optimization/69567
6550         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
6551         before I2 only if the register is both used and set in I2.
6553 2016-02-04  DJ Delorie  <dj@redhat.com>
6555         * config/msp430/msp430.c (msp430_start_function): Add function type.
6557 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
6559         PR fortran/69368
6560         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
6562 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
6564         PR rtl-optimization/69577
6565         Revert:
6566         2015-10-29  Richard Henderson  <rth@redhat.com>
6568         PR target/68124
6569         PR rtl-opt/67609
6570         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
6571         sse check to the exact conditions of PR 67609.
6573 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
6575         PR target/69667
6576         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
6577         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
6578         not allowed into the traditional Altivec registers.
6579         (movtd_64bit_nodm): Likewise.
6580         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
6582 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
6584         * config/aarch64/cortex-a57-fma-steering.c
6585         (aarch64_register_fma_steering): Remove "static" from arguments
6586         to register_pass.
6588 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
6590         PR target/69619
6591         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
6592         twice when complex.
6594 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
6596         * doc/invoke.texi: Delete -mno-fma4.
6598 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
6600         PR rtl-optimization/69577
6601         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
6602         (find_subregs_of_mode): Update accordingly.  Iterate over partial
6603         definitions.
6605 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
6607         * config/arm/arm-protos.h (neon_reinterpret): Remove.
6608         * config/arm/arm.c (neon_reinterpret): Remove.
6609         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
6610         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
6611         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
6612         vreinterpretti): Remove.
6613         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
6614         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
6615         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
6616         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
6617         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
6618         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
6619         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
6620         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
6621         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
6622         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
6623         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
6624         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
6625         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
6626         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
6627         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
6628         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
6629         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
6630         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
6631         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
6632         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
6633         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
6634         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
6635         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
6636         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
6637         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
6638         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
6639         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
6640         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
6641         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
6642         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
6643         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
6644         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
6645         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
6646         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
6647         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
6648         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
6649         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
6650         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
6651         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
6652         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
6653         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
6654         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
6655         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
6656         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
6657         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
6658         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
6659         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
6660         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
6661         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
6662         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
6663         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
6664         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
6665         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
6666         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
6667         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
6668         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
6669         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
6670         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
6671         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
6672         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
6673         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
6674         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
6675         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
6676         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
6677         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
6678         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
6679         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
6680         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
6681         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
6682         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
6683         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
6684         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
6685         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
6686         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
6687         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
6688         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
6689         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
6690         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
6691         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
6692         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
6693         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
6694         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
6695         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
6696         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
6697         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
6698         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
6699         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
6700         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
6701         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
6702         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
6703         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
6704         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
6705         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
6706         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
6707         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
6708         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
6709         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
6710         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
6711         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
6712         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
6713         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
6714         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
6715         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
6717 2016-02-04  Martin Liska  <mliska@suse.cz>
6719         PR sanitizer/69276
6720         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
6721         that are gimple_store_p.
6722         (maybe_instrument_call): Likewise.
6724 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
6726         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
6727         register scaling out of memory reference and comment why.
6729 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6731         PR target/65932
6732         PR target/67714
6733         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
6734         folding the source of a SET.
6736 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6738         PR target/65932
6739         PR target/67714
6740         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
6741         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
6743 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
6745         PR target/65932
6746         PR target/67714
6747         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
6748         HImode.
6750 2016-02-04  Christian Bruel  <christian.bruel@st.com>
6752         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
6753         * config/arm/arm.c (arm_set_current_function): Likewise.
6755 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
6756             Ilya Enkovich  <enkovich.gnu@gmail.com>
6757             H.J. Lu  <hongjiu.lu@intel.com>
6759         PR target/69454
6760         * config/i386/i386.c (convert_scalars_to_vector): Remove
6761         stack alignment fixes.
6762         (ix86_option_override_internal): Disable TARGET_STV if stack
6763         might not be aligned enough.
6764         (ix86_minimum_alignment): Assert that TARGET_STV is false.
6766 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
6768         * gcc/config/i386/x86-tune.def: Disable default prefetching
6769         for -march=znver1.
6771 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6772             Vladimir Makarov  <vmakarov@redhat.com>
6774         PR target/69461
6775         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
6776         in validating fused toc addresses.
6778 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
6780         PR c/69627
6781         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
6782         range->m_caret fields if range->m_show_caret_p is false.
6784         PR target/69644
6785         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6786         Force oldval into register if it does not satisfy reg_or_short_operand
6787         predicate.  Fix up formatting.
6789 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
6790             Alexandre Oliva  <aoliva@redhat.com>
6792         PR target/69461
6793         * lra-constraints.c (simplify_operand_subreg): Check additionally
6794         address validity after potential reloading.
6795         (process_address_1): Check insns validity.  In case of failure do
6796         nothing.
6798 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
6800         PR target/69118
6801         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
6802         Fix target.
6804 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
6806         * wide-int.cc (canonize_uhwi): New function.
6807         (wi::divmod_internal): Use it.
6809 2016-02-02  James Norris  <jnorris@codesourcery.com
6811         * gimplify.c (omp_notice_variable): Add usage check.
6813 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
6815         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
6816         like LE, GE, LT, GT when emitting relational operator.
6818 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6820         * ira-costs.c (find_costs_and_classes): Add extra argument.
6821         * target.def (ira_change_pseudo_allocno_class): Add parameter.
6822         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
6823         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
6824         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
6825         Add best_class parameter, and return it if not ALL_REGS.
6826         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
6827         Add parameter.
6828         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
6829         Update target hook.
6831 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6833         * config/aarch64/aarch64.c
6834         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
6835         (aarch64_ira_change_pseudo_allocno_class): New function.
6837 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
6839         PR target/67032
6840         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
6842 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6844         * config/avr/avr.c (avr_option_override): Set
6845         PARAM_ALLOW_STORE_DATA_RACES to 1.
6847 2016-02-02  Richard Biener  <rguenther@suse.de>
6849         PR tree-optimization/69595
6850         * match.pd: Add range test simplifications to true/false.
6852 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
6854         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
6855         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
6856         instead.
6858 2016-02-02  Richard Biener  <rguenther@suse.de>
6860         PR tree-optimization/69606
6861         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
6862         info on the result before moving a stmt.
6864 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
6866         PR middle-end/68542
6867         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
6868         branch with vector comparison.
6869         * config/i386/sse.md (VI48_AVX): New mode iterator.
6870         (define_expand "cbranch<mode>4): Add support for conditional branch
6871         with vector comparison.
6872         * tree-vect-loop.c (optimize_mask_stores): New function.
6873         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
6874         has_mask_store field of vect_info.
6875         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
6876         vectorized loops having masked stores after vec_info destroy.
6877         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
6878         correspondent macros.
6879         (optimize_mask_stores): Add prototype.
6881 2016-02-02  Alan Modra  <amodra@gmail.com>
6883         PR target/69548
6884         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
6885         allow subregs.
6887 2016-02-02  Alan Modra  <amodra@gmail.com>
6889         PR target/68662
6890         * config/rs6000/rs6000.c (need_toc_init): New var, set it
6891         whenever toc_label_name used.
6892         (rs6000_file_start): Don't set up toc section here,
6893         (rs6000_output_function_epilogue): do so here instead,
6894         (rs6000_xcoff_file_start): and here.
6895         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
6896         (load_toc_aix_di): Likewise.
6898 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6900         PR rtl-optimization/69592
6901         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
6902         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
6903         (num_sign_bit_copies_binary_arith_p): New inline function.
6904         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
6906 2016-02-01  Jeff Law  <law@redhat.com>
6908         PR tree-optimization/69580
6909         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
6910         * tree-ssa-threadbackward.c
6911         (fsm_find_control_statement_thread_paths): Do not try to walk
6912         through large PHI nodes.
6914 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6916         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
6917         when count is incremented above limit, don't analyze further
6918         insns afterwards.
6920         * omp-low.c (oacc_parse_default_dims): Avoid
6921         -Wsign-compare warning, make sure value fits into int
6922         rather than just unsigned int.
6924 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
6926         PR tree-optimization/67921
6927         * fold-const.c (split_tree): New parameters.  Convert pointer
6928         type variable part to proper type before negating.
6929         (fold_binary_loc): Pass new arguments to split_tree.
6931 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
6933         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
6934         (nvptx_goacc_validate_dims): Extend to handle global defaults.
6935         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
6936         * doc/tm.texti: Rebuilt.
6937         * doc/invoke.texi (fopenacc-dim): Document.
6938         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
6939         (append_compiler_options): Likewise.
6940         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
6941         (oacc_parse_default_dims): New.
6942         (oacc_validate_dims): Add USED arg.  Select non-unity default when
6943         possible.
6944         (oacc_loop_fixed_partitions): Return mask of used partitions.
6945         (oacc_loop_auto_partitions): Emit dump info.
6946         (oacc_loop_partition): Return mask of used partitions.
6947         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
6948         loop partitioning and validation calls.
6950 2016-02-01  Richard Biener  <rguenther@suse.de>
6952         PR middle-end/69556
6953         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
6955 2016-02-01  Richard Biener  <rguenther@suse.de>
6957         PR tree-optimization/69574
6958         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
6959         of asserting return chrec_dont_know.
6961 2016-02-01  Martin Liska  <mliska@suse.cz>
6963         * mem-stats-traits.h: Add copyright header.
6964         * mem-stats.h: Likewise.
6966 2016-02-01  Richard Biener  <rguenther@suse.de>
6968         PR tree-optimization/69579
6969         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
6970         Do not propagate through abnormal PHI results.
6972 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
6974         * postreload.c (reload_cse_simplify): Remove dead code.
6976 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6978         PR rtl-optimization/69570
6979         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
6980         if there is more than one set, not if there is a single set.
6982 2016-02-01  Richard Henderson  <rth@redhat.com>
6984         PR rtl-opt/69535
6985         * combine.c (make_compound_operation): When looking through a
6986         subreg, make sure to re-extend to the width of the outer mode.
6988 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
6990         PR tree-optimization/69546
6991         * wide-int.cc (wi::divmod_internal): For unsigned division
6992         where both operands fit into uhwi, if o1 is 1 and o0 has
6993         msb set, if divident_prec is larger than bits per hwi,
6994         clear another quotient word and return 2 instead of 1.
6995         Similarly for remainder with msb in HWI set, if dividend_prec
6996         is larger than bits per hwi.
6998 2016-01-29  Martin Jambor  <mjambor@suse.cz>
7000         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
7001         Use short lowercase names.
7002         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
7003         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
7004         acq_rel one.  Protect warning agains segfaults if
7005         get_memory_order_name returns NULL.
7006         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
7007         with release semantics.  Do not warn if get_memory_order already did.
7008         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
7009         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
7010         if get_memory_order already did.
7012 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
7014         * doc/install.texi: Document that isl-0.16 is supported.
7016 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
7018         PR target/69299
7019         * config/i386/constraints.md (Bm): Describe as special memory
7020         constraint.
7021         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
7022         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
7023         * genpreds.c (struct constraint_data): Add is_special_memory.
7024         (have_special_memory_constraints, special_memory_start): New
7025         static vars.
7026         (special_memory_end): Ditto.
7027         (add_constraint): Add new arg is_special_memory.  Add code to
7028         process its true value.  Update have_special_memory_constraints.
7029         (process_define_constraint): Pass the new arg.
7030         (process_define_register_constraint): Ditto.
7031         (choose_enum_order): Process special memory.
7032         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
7033         function insn_extra_special_memory_constraint.
7034         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
7035         * gensupport.c (process_rtx): Process
7036         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
7037         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
7038         * ira-lives.c (single_reg_class): Use
7039         insn_extra_special_memory_constraint.
7040         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
7041         * lra-constraints.c (process_alt_operands): Ditto.
7042         (curr_insn_transform): Use insn_extra_special_memory_constraint.
7043         * recog.c (asm_operand_ok, preprocess_constraints): Process
7044         CT_SPECIAL_MEMORY.
7045         * reload.c (find_reloads): Ditto.
7046         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
7047         * stmt.c (parse_input_constraint): Use
7048         insn_extra_special_memory_constraint.
7050 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
7052         PR target/69530
7053         * lra-splill.c (lra_final_code_change): Revert r229087 by
7054         removing all sub-registers.
7056 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
7058         PR target/65604
7059         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
7061 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
7063         PR target/69551
7064         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
7065         SSE1, copy target into the temporary reg first before recursing
7066         on it.
7068 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
7070         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
7071         with vm.
7073 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
7075         * ginclude/stdarg.h: Test __cplusplus instead of
7076         __GXX_EXPERIMENTAL_CXX0X__.
7078 2016-01-29  Richard Biener  <rguenther@suse.de>
7080         PR tree-optimization/69547
7081         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
7082         Do not mark clobbers necessary.
7083         (mark_all_reaching_defs_necessary_1): Likewise.
7085 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7087         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
7088         declaration name with %qs and print it in both error messages.
7089         Also fix indentation.
7091 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7093         PR other/69006
7094         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
7095         trailing blank line from error message.
7097 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
7099         PR c++/69462
7100         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
7101         for C++-11.
7103 2016-01-29  Richard Biener  <rguenther@suse.de>
7105         PR middle-end/69537
7106         * match.pd: Allow all integral types when simplifying a
7107         widening or sign-changing conversion.
7109 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7111         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
7112         back to setting codegen_error to fail codegen.
7114 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
7116         PR target/69459
7117         * config/i386/constraints.md (C): Only accept constant zero operand.
7118         (BC): New constraint.
7119         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
7120         instead of C constraint.
7121         * doc/md.texi (Machine Constraints): Update description
7122         of C constraint.
7124 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
7126         PR target/68400
7127         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
7129 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
7131         PR middle-end/69542
7132         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
7133         non-debug insns.
7135 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
7137         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
7138         branches if using guessed profile.
7140 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
7142         * graphite-optimize-isl.c (optimize_isl): Fix dump.
7144 2016-01-28  Richard Henderson  <rth@redhat.com>
7146         PR target/69305
7147         * config/aarch64/aarch64-modes.def (CC_Cmode): New
7148         * config/aarch64/aarch64-protos.h: Update.
7149         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
7150         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
7151         (aarch64_get_condition_code_1): Handle CC_Cmode.
7152         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
7153         (*add<mode>3_compareC_cconly_imm): New.
7154         (*add<mode>3_compareC_cconly): New.
7155         (*add<mode>3_compareC_imm): New.
7156         (add<mode>3_compareC): New.
7157         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
7158         to be first.  Use aarch64_carry_operation.
7159         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
7160         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
7161         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
7162         (subti3): Use subdi3_compare1.
7163         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
7164         (sub<mode>3_compare1): New.
7165         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
7166         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
7167         (*subsi3_carryin_uxtw): Likewise.
7168         (*ngc<mode>, *ngcsi_uxtw): Likewise.
7169         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
7170         * config/aarch64/iterators.md (DWI): New.
7171         * config/aarch64/predicates.md (aarch64_carry_operation): New.
7172         (aarch64_borrow_operation): New.
7174 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
7176         * graphite-optimize-isl.c (optimize_isl): Print a different debug
7177         message when isl does not return a valid schedule.
7179 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7181         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
7182         Remove comments from class declarations: they are already in the code
7183         close by the defs.
7185 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7187         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
7188         codegen_error_p.
7189         (ternary_op_to_tree): Same.
7190         (unary_op_to_tree): Same.
7191         (nary_op_to_tree): Same.
7192         (gcc_expression_from_isl_expr_op): Same.
7193         (gcc_expression_from_isl_expression): Same.
7194         (graphite_create_new_loop): Same.
7195         (graphite_create_new_loop_guard): Same.
7196         (build_iv_mapping): Same.
7197         (graphite_create_new_guard): Same.
7198         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
7199         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
7201 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7203         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
7204         instead of setting codegen_error to fail codegen.
7206 2016-01-28  Jason Merrill  <jason@redhat.com>
7208         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
7210 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
7212         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
7213         Remove CONST_INT_P check in CCMP cost calculation.
7215 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
7217         * config/aarch64/aarch64.c (generic_vector_cost):
7218         Set vec_permute_cost.
7219         (cortexa57_vector_cost): Likewise.
7220         (exynosm1_vector_cost): Likewise.
7221         (xgene1_vector_cost): Likewise.
7222         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
7223         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
7224         Add vec_permute_cost entry.
7226 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
7228         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
7229         immediate as %1.
7230         (add<mode>3_compare0): Likewise.
7231         (addsi3_compare0_uxtw): Likewise.
7232         (add<mode>3nr_compare0): Likewise.
7233         (compare_neg<mode>): Likewise.
7234         (<optab><mode>3): Likewise.
7236 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
7238         * tree-vect-stmts.c (vectorizable_comparison): Add
7239         NULL check for vectype.
7241 2016-01-28  Richard Biener  <rguenther@suse.de>
7243         PR tree-optimization/69466
7244         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
7245         Account for PHIs we couldn't duplicate.
7247 2016-01-28  Martin Liska  <mliska@suse.cz>
7249         PR pch/68758
7250         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
7251         instead of ENABLE_VALGRIND_CHECKING.
7253 2016-01-27  Richard Henderson  <rth@redhat.com>
7255         PR rtl-opt/69447
7256         * lra-remat.c (subreg_regs): New.
7257         (dump_candidates_and_remat_bb_data): Dump it.
7258         (operand_to_remat): Reject if operand in subreg_regs.
7259         (set_bb_regs): Collect subreg_regs.
7260         (lra_remat): Init and free subreg_regs.  Compute
7261         calculate_local_reg_remat_bb_data before create_cands.
7263 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
7265         PR target/68986
7266         * config/i386/i386.c (ix86_update_stack_boundary): Don't
7267         change stack_alignment_needed for __tls_get_addr call.
7269 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
7271         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
7273 2016-01-27  Jeff Law  <law@redhat.com>
7275         PR tree-optimization/68398
7276         PR tree-optimization/69196
7277         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
7278         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
7279         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7280         Only count PHIs in the last block in the path.  The others will
7281         const/copy propagate away.  Add heuristic to allow more irreducible
7282         subloops to be created when it is likely profitable to do so.
7284         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7285         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
7286         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
7288 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
7290         PR lto/69254
7291         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
7292         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
7293         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
7294         * tree-streamer-in.c: Include asan.h.
7295         (streamer_get_builtin_tree): For builtins in sanitizer
7296         range call initialize_sanitizer_builtins and retry.
7298 2016-01-27  Ian Lance Taylor  <iant@google.com>
7300         * common.opt (fkeep-gc-roots-live): New undocumented option.
7301         * tree-ssa-loop-ivopts.c (add_candidate_1): If
7302         -fkeep-gc-roots-live, skip pointers.
7303         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
7304         NULL.
7306 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
7308         PR target/69512
7309         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
7310         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
7312 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
7314         PR target/68380
7315         * configure.ac: NetBSD provides SSP in its C library.
7316         * configure: Updated.
7318 2016-01-27  Richard Biener  <rguenther@suse.de>
7320         PR tree-optimization/69166
7321         * tree-vect-loop.c (vect_is_simple_reduction): Always check
7322         reduction code for commutativity / associativity.
7324 2016-01-27  Martin Jambor  <mjambor@suse.cz>
7326         PR tree-optimization/69355
7327         * tree-sra.c (analyze_access_subtree): Correct hole detection when
7328         total_scalarization fails.
7330 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
7332         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
7333         power9.
7335 2016-01-27  Christian Bruel  <christian.bruel@st.com>
7337         PR target/69245
7338         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
7339         Move arm_reset_previous_fndecl and set_target_option_current_node in
7340         the conditional part.  Call save_restore_target_globals.
7341         * config/arm/arm.c (arm_set_current_function):
7342         Refactor to better support #pragma target and attribute mix.
7343         Call save_restore_target_globals.
7344         * config/arm/arm-protos.h (save_restore_target_globals): New function.
7346 2016-01-27  Martin Liska  <mliska@suse.cz>
7348         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
7349         reference for an HSA kernel and its host function.
7351 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
7353         PR tree-optimization/69399
7354         * wide-int.h (wi::lrshift): For larger precisions, only
7355         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
7357 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
7359         * config/arc/predicates.md (proper_comparison_operator): Reject
7360         constant-constant comparison.
7362 2016-01-26  Tom de Vries  <tom@codesourcery.com>
7364         PR tree-optimization/69110
7365         * tree-data-ref.c (initialize_data_dependence_relation): Handle
7366         DR_NUM_DIMENSIONS == 0.
7368 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
7369             Sebastian Pop  <s.pop@samsung.com>
7371         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
7372         isl_ast_op_cond and isl_ast_op_select.
7373         (gcc_expression_from_isl_expr_op): Same.
7375 2016-01-26  Jason Merrill  <jason@redhat.com>
7377         PR c++/68782
7378         * tree.c (recompute_constructor_flags): Split out from
7379         build_constructor.
7380         (verify_constructor_flags): New.
7381         * tree.h: Declare them.
7383 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
7385         PR rtl-optimization/69217
7386         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
7387         are no TYPE_FIELDS set for the record type.
7389 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7391         PR target/68662
7392         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
7393         toc_label_name unconditionally.
7394         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
7395         SYMBOL_REF string.  Use toc_label_name instead of constructing
7396         LCTOC1.
7397         (rs6000_elf_declare_function_name): Use toc_label_name instead of
7398         constructing LCTOC1.
7400 2016-01-26  Martin Sebor  <msebor@redhat.com>
7402         PR other/69477
7403         * doc/extend.texi (Common Type Attributes): Move text that talks about
7404         attribute packed from attribute aligned to the section discussing
7405         the former attribute for clarity.
7407 2016-01-26  Richard Henderson  <rth@redhat.com>
7409         PR middle-end/60908
7410         * trans-mem.c (tm_region_init): Mark entry block as visited.
7412 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
7414         PR other/69006
7415         * diagnostic-show-locus.c (layout::print_source_line): Replace
7416         call to pp_newline with call to layout::print_newline.
7417         (layout::print_annotation_line): Likewise.
7418         (layout::move_to_column): Likewise.
7419         (layout::print_any_fixits): After printing any fixits, print a
7420         trailing newline, if necessary.
7421         (layout::print_newline): New method, resetting any colorization
7422         before a newline.
7423         (diagnostic_show_locus): Move the pp_newline to before the
7424         early bailout.  Remove dummy block enclosing the layout instance.
7425         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
7426         of pp_newline_and_flush with pp_flush.
7427         (diagnostic_append_note): Delete use of pp_newline.
7428         (diagnostic_append_note_at_rich_loc): Delete.
7429         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
7430         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
7431         when newline characters are added to the buffer.
7433 2016-01-26  Michael Matz  <matz@suse.de>
7435         * configure.ac (ac_cv_std_swap_in_utility): New test.
7436         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
7437         * configure: Regenerate.
7438         * config.in: Regenerate.
7440 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
7442         * config/arc/arc.md (cstoresi4): Force operand into register.
7443         (arcset<code>): Fix predicate.
7444         (arcsetltu): Likewise.
7445         (arcsetgeu): Likewise.
7446         (arcsethi): Likewise.
7447         (arcsetls): Likewise.
7449 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7451         PR tree-optimization/69483
7452         * gimple-fold.c (canonicalize_constructor_val): Return NULL
7453         if base has error_mark_node type.
7455 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
7457         PR target/68620
7458         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
7459         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
7460         New helper macros.
7461         (vget_lane_f16): Handle big-endian.
7462         (vgetq_lane_f16): Likewise.
7463         (vset_lane_f16): Likewise.
7464         (vsetq_lane_f16): Likewise.
7465         * config/arm/iterators.md (VQXMOV): Add V8HF.
7466         (VDQ): Add V4HF and V8HF.
7467         (V_reg): Handle V4HF and V8HF.
7468         (Is_float_mode): Likewise.
7469         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
7470         neon_vdup_nv8hf): New patterns.
7471         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
7472         Use VD_LANE iterator.
7473         (neon_vld1_dup<mode>): Use VQ2 iterator.
7475 2016-01-26  Nathan Sidwell  <nathan@acm.org>
7477         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
7478         (set_oacc_fn_attrib): Add IS_KERNEL arg.
7479         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
7480         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
7481         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
7482         (oacc_validate_dims): Add LEVEL arg, don't return level.
7483         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
7484         oacc_validate_dims.
7485         (execute_oacc_device_lower): Adjust, add more dump output.
7486         * tree-ssa-loop.c (gate_oacc_kernels): Use
7487         oacc_fn_attrib_kernels_p.
7488         * tree-parloops.c (create_parallel_loop): Adjust
7489         set_oacc_fn_attrib call.
7491 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7493         PR lto/69254
7494         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
7495         (append_compiler_options): Handle -fcilkplus.
7496         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
7498 2016-01-26  Nick Clifton  <nickc@redhat.com>
7500         PR target/66655
7501         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
7502         been marked as DECL_ONE_ONLY but we do not the means to make it
7503         so, then do not allow it to bind locally.
7505 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7507         PR lto/69254
7508         * opts.h (parse_sanitizer_options): New prototype.
7509         * opts.c (sanitizer_opts): New array.
7510         (parse_sanitizer_options): New function.
7511         (common_handle_option): Use parse_sanitizer_options.
7513 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
7515         PR target/68986
7516         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
7517         alignment adjustment to ...
7518         (ix86_update_stack_boundary): Here.  Don't over-align stack for
7519         __tls_get_addr.
7520         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
7521         if __tls_get_addr is called.
7523 2016-01-26  Christian Bruel  <christian.bruel@st.com>
7525         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
7527 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
7529         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
7531 2016-01-26  Richard Biener  <rguenther@suse.de>
7533         PR middle-end/69467
7534         * match.pd: Guard X * CST CMP 0 pattern with single_use.
7536 2016-01-26  Richard Biener  <rguenther@suse.de>
7538         PR tree-optimization/69452
7539         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
7540         (move_computations_dom_walker::before_dom_children): Rename
7541         to ...
7542         (move_computations_worker): This.
7543         (move_computations): Perform an RPO rather than a DOM walk.
7545 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7547         PR target/69442
7548         * combine.c (combine_instructions): For REG_EQUAL note with
7549         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
7550         to the underlying register.
7551         * doc/rtl.texi (REG_EQUAL): Document the behavior of
7552         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
7554 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
7556         PR target/67896
7557         * config/aarch64/aarch64-builtins.c
7558         (aarch64_init_simd_builtin_types): Do not set structural
7559         equality to __Poly{8,16,64,128}_t types.
7561 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
7563         PR tree-optimization/69400
7564         * wide-int.cc (wi_pack): Take the precision as argument and
7565         perform canonicalization here rather than in the callers.
7566         Use the main loop to handle all full-width HWIs.  Add a
7567         zero HWI if in_len isn't a full result.
7568         (wi::divmod_internal): Update accordingly.
7569         (wi::mul_internal): Likewise.  Simplify.
7571 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
7572             Sebastian Pop  <s.pop@samsung.com>
7574         * graphite-poly.c (apply_poly_transforms): Simplify.
7575         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
7576         (print_isl_map): Same.
7577         (print_isl_union_map): Same.
7578         (print_isl_schedule): New.
7579         (debug_isl_schedule): New.
7580         * graphite-dependences.c (scop_get_reads): Do not call
7581         isl_union_map_add_map that is undocumented isl functionality.
7582         (scop_get_must_writes): Same.
7583         (scop_get_may_writes): Same.
7584         (scop_get_original_schedule): Remove.
7585         (scop_get_dependences): Do not call isl_union_map_compute_flow that
7586         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
7587         (compute_deps): Remove.
7588         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
7589         (debug_schedule_ast): New.
7590         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
7591         set_separate_option.
7592         (graphite_regenerate_ast_isl): Add dump.
7593         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
7594         from scop->transformed_schedule.
7595         (graphite_regenerate_ast_isl): Add more dump.
7596         * graphite-optimize-isl.c (optimize_isl): Set
7597         scop->transformed_schedule.  Check whether schedules are equal.
7598         (apply_poly_transforms): Move here.
7599         * graphite-poly.c (apply_poly_transforms): ... from here.
7600         (free_poly_bb): Static.
7601         (free_scop): Static.
7602         (pbb_number_of_iterations_at_time): Remove.
7603         (print_isl_ast): New.
7604         (debug_isl_ast): New.
7605         (debug_scop_pbb): New.
7606         * graphite-scop-detection.c (print_edge): Move.
7607         (print_sese): Move.
7608         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
7609         (build_scop_scattering): Remove.
7610         (create_pw_aff_from_tree): Assert instead of bailing out.
7611         (add_condition_to_pbb): Remove unused code, do not fail.
7612         (add_conditions_to_domain): Same.
7613         (add_conditions_to_constraints): Remove.
7614         (build_scop_context): New.
7615         (add_iter_domain_dimension): New.
7616         (build_iteration_domains): Initialize pbb->iterators.
7617         Call add_conditions_to_domain.
7618         (nested_in): New.
7619         (loop_at): New.
7620         (index_outermost_in_loop): New.
7621         (index_pbb_in_loop): New.
7622         (outermost_pbb_in): New.
7623         (add_in_sequence): New.
7624         (add_outer_projection): New.
7625         (outer_projection_mupa): New.
7626         (add_loop_schedule): New.
7627         (build_schedule_pbb): New.
7628         (build_schedule_loop): New.
7629         (embed_in_surrounding_loops): New.
7630         (build_schedule_loop_nest): New.
7631         (build_original_schedule): New.
7632         (build_poly_scop): Call build_original_schedule.
7633         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
7634         (free_poly_dr): Remove.
7635         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
7636         (free_poly_bb): Remove.
7637         (debug_loop_vec): Remove.
7638         (print_isl_ast): Declare.
7639         (debug_isl_ast): Declare.
7640         (scop_do_interchange): Remove.
7641         (scop_do_strip_mine): Remove.
7642         (scop_do_block): Remove.
7643         (flatten_all_loops): Remove.
7644         (optimize_isl): Remove.
7645         (pbb_number_of_iterations_at_time): Remove.
7646         (debug_scop_pbb): Declare.
7647         (print_schedule_ast): Declare.
7648         (debug_schedule_ast): Declare.
7649         (struct scop): Remove schedule.  Add original_schedule,
7650         transformed_schedule.
7651         (free_gimple_poly_bb): Remove.
7652         (print_generated_program): Remove.
7653         (debug_generated_program): Remove.
7654         (unify_scattering_dimensions): Remove.
7655         * sese.c (print_edge): ... here.
7656         (print_sese): ... here.
7657         (debug_edge): ... here.
7658         (debug_sese): ... here.
7659         * sese.h (print_edge): Declare.
7660         (print_sese): Declare.
7661         (dump_edge): Declare.
7662         (dump_sese): Declare.
7664 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
7665             Sebastian Pop  <s.pop@samsung.com>
7667         * Makefile.in: Set ISLVER in site.exp.
7669 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
7671         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
7672         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
7673         through DECL_VALUE_EXPR for expansion.
7675 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7677         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
7678         the frame info after reload completed.
7680 2016-01-25  Jeff Law  <law@redhat.com>
7682         PR tree-optimization/69196
7683         PR tree-optimization/68398
7684         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
7685         tree-ssa-threadupdate.c.
7686         (determine_bb_domination_status): Prototype
7687         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
7688         (determine_bb_domination_status): No longer static.
7689         (valid_jump_thread_path): Remove code to detect characteristics
7690         of the jump thread path not associated with correctness.
7691         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
7692         Correct test for thread path length.  Count PHIs for real operands as
7693         statements that need to be copied.  Do not count ASSERT_EXPRs.
7694         Look at all the blocks in the thread path.  Compute and selectively
7695         filter thread paths based on threading through the latch, threading
7696         a multiway branch or crossing a multiway branch.
7698 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7700         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
7701         decl with __attribute__ ((unused)) annotation.
7703 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
7705         PR target/69421
7706         * tree-vect-stmts.c (vectorizable_condition): Check vectype
7707         of operands is compatible with a statement vectype.
7709 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
7711         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
7712         improve wording for mixed storage order support.
7714 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
7716         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
7717         (vcvt_u64_f64): Likewise.
7718         (vcvta_s64_f64): Likewise.
7719         (vcvta_u64_f64): Likewise.
7720         (vcvtm_s64_f64): Likewise.
7721         (vcvtm_u64_f64): Likewise.
7722         (vcvtn_s64_f64): Likewise.
7723         (vcvtn_u64_f64): Likewise.
7724         (vcvtp_s64_f64): Likewise.
7725         (vcvtp_u64_f64): Likewise.
7727 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
7729         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
7730         (arc_init): Check validity mll64 option.
7731         (arc_save_restore): Use double load/store instruction.
7732         (arc_expand_movmem): Likewise.
7733         (arc_split_move): Don't split if we have double load/store
7734         instructions. Returns a boolean.
7735         (arc_process_double_reg_moves): Change function to return boolean
7736         instead of a sequence of instructions.
7737         (arc_dwarf_register_span): New function.
7738         * config/arc/arc-protos.h (arc_split_move): Change prototype.
7739         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
7740         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
7741         (*movdf_insn): Likewise.
7742         * config/arc/arc.opt (mll64): New option.
7743         * config/arc/predicates.md (even_register_operand): New predicate.
7744         * doc/invoke.texi (ARC Options): Add mll64 documentation.
7746 2016-01-25  Richard Biener  <rguenther@suse.de>
7748         PR lto/69393
7749         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
7750         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
7751         DECL_NAMELESS.
7752         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
7754 2016-01-25  Richard Biener  <rguenther@suse.de>
7756         PR tree-optimization/69376
7757         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
7758         flag.
7759         (VN_INFO_ANTI_RANGE_P): New inline.
7760         (VN_INFO_RANGE_TYPE): Likewise.
7761         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
7762         SSA_NAME_ANTI_RANGE_P.
7763         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
7764         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7765         Properly query VN_INFO_RANGE_TYPE.
7767 2016-01-25  Nick Clifton  <nickc@redhat.com>
7769         PR target/66655
7770         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
7772 2016-01-23  Tom de Vries  <tom@codesourcery.com>
7774         PR tree-optimization/69426
7775         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
7776         removed clobber.
7778 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
7780         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
7781         "the the" with "the" in the comments.
7782         * ipa-devirt.c (build_type_inheritance_graph,
7783         update_type_inheritance_graph): Likewise.
7784         * tree.c (build_function_type_list_1): Likewise.
7785         * cfgloopmanip.c (scale_loop_profile): Likewise.
7786         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
7787         * gimple-ssa-split-paths.c
7788         (find_block_to_duplicate_for_splitting_paths): Likewise.
7789         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
7790         * expr.c (convert_move): Likewise.
7791         * var-tracking.c (vt_stack_adjustments): Likewise.
7792         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7793         * tree-vrp.c (test_for_singularity): Likewise.
7795         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
7796         directly instead of building a temporary tree.
7798         PR bootstrap/69434
7799         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
7800         remove <algorithm> include.
7802 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7804         PR target/69432
7805         * config/i386/i386.c: Include dojump.h.
7806         (expand_small_movmem_or_setmem,
7807         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
7808         fixes.
7809         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
7810         if dynamic_check != -1.
7812 2016-01-21  Jeff Law  <law@redhat.com>
7814         PR middle-end/69347
7815         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
7816         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
7817         into dominated_by_p.
7818         (cprop_into_successor_phis): Avoid unnecessary tests.
7820 2016-01-22  Richard Henderson  <rth@redhat.com>
7822         PR target/69416
7823         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
7824         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
7826 2016-01-22  Michael Matz  <matz@suse.de>
7828         * system.h (string, algorithm): Include only conditionally.
7829         (new): Include always under C++.
7830         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
7831         * final.c (toplevel): Ditto.
7832         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
7833         * genconditions.c (write_header): Make gencondmd.c define
7834         INCLUDE_STRING.
7835         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
7837         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
7838         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
7840 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7842         PR target/68674
7843         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
7845 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7847         PR target/69403
7848         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
7849         define_insn_and_split.  Ensure operands[1] and operands[0] do not
7850         get assigned the same register.
7852 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
7854         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
7856 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7858         * config/arm/arm-c.c (arm_pragma_target_parse):
7859         Remove warn_builtin_macro_redefined overwrite.
7861 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7863         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
7864         flag_non_call_exceptions compatibility.
7866 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7868         PR debug/66668
7869         * dwarf2out.c (add_child_die_after): New function.
7870         (dwarf_qual_info_t): New type.
7871         (dwarf_qual_info): New variable.
7872         (qualified_die_p): New function.
7873         (modified_type_die): For -fdebug-types-section, ensure
7874         canonical order of qualifiers.  Put qualified DIEs adjacent
7875         to the corresponding non-qualified type DIE and search there
7876         for existing qualified DIEs.
7878 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7880         * doc/extend.texi (scalar_storage_order type attribute): Document
7881         restriction on type punning and aliasing, and remove future tense.
7883 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
7885         PR target/69252
7886         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
7887         first stage.
7889 2016-01-21  Jeff Law  <law@redhat.com>
7891         PR middle-end/69347
7892         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
7893         useless call to record_temporary_equivalences.
7894         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
7895         allocate 10 slots in the bb_path vector and let it grow as needed.
7896         (fsm_find_control_statement_thread_paths): Similarly for the next_path
7897         vector.
7899 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7901         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
7902         Detangle.
7903         * configure: Regenerate.
7905 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
7907         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
7908         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
7910 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
7912         PR middle-end/66178
7913         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
7914         drop EXPAND_INITIALIZER.
7915         * rtl.h (contains_symbolic_reference_p): Declare.
7916         * rtlanal.c (contains_symbolic_reference_p): New function.
7917         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
7918         a subtraction into a NOT if symbolic constants are involved.
7920 2016-01-21  Anton Blanchard  <anton@samba.org>
7921             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7923         PR target/63354
7924         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
7925         #define.
7926         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
7927         function.
7929 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7931         * config/microblaze/microblaze.c
7932         (get_branch_target): New.
7933         (insert_wic_for_ilb_runout): New.
7934         (insert_wic): New.
7935         (microblaze_machine_dependent_reorg): New.
7936         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
7937         * config/microblaze/microblaze.md
7938         (UNSPEC_IPREFETCH): Define.
7939         (iprefetch): New pattern
7940         * config/microblaze/microblaze.opt
7941         (mxl-prefetch): New flag.
7943 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7945         * config/microblaze/microblaze.h
7946         (FIXED_REGISTERS): Update in macro.
7947         (CALL_USED_REGISTERS): Update in macro.
7949 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
7951         PR rtl-optimization/68920
7952         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
7953         moves.
7955 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
7957         PR rtl-optimization/68990
7958         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
7959         pseudo instead of inheritance ones.
7961 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7962             Nick Clifton  <nickc@redhat.com>
7964         PR target/69129
7965         PR target/69012
7966         * config/mips/mips.c (mips_compute_frame_info): Initialise
7967         args_size and hard_frame_pointer_offset fields of the frame
7968         structure before calling mips_global_pointer.
7970 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7972         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
7973         label reference.
7974         * configure: Regenerate.
7976 2016-01-21  Richard Biener  <rguenther@suse.de>
7978         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
7980 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7982         * config/s390/s390.c (s390_asm_declare_function_size): Add code
7983         to actually emit the .size directive.
7985 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
7986              Jakub Jelinek  <jakub@redhat.com>
7988         PR target/69187
7989         PR target/65624
7990         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
7991         args array size by one to avoid buffer overflow.
7993 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7995         * config/s390/s390.md (pool_section_start): Use switch_to_section
7996         to select proper read-only data section instead of hardcoding
7997         .rodata.
7998         (pool_section_end): Use switch_to_section to match the above.
8000 2016-01-21  Richard Biener  <rguenther@suse.de>
8002         PR tree-optimization/69378
8003         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
8004         (set_ssa_val_to): Use it for dominance checks taking into
8005         account not executable edges.
8007 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
8009         PR c++/69355
8010         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
8011         for bitsize instead of GET_MODE_PRECISION (mode).
8013 2016-01-20  Martin Sebor  <msebor@redhat.com>
8015         PR c/52291
8016         * extend.texi (__sync Builtins): Clarify the semantics of
8017         __sync_fetch_and_OP built-ins on pointers.
8018         (__atomic Builtins): Same.
8020 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8021             Sebastian Pop  <s.pop@samsung.com>
8023         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
8024         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
8025         (is_valid_rename): Same.
8026         (translate_isl_ast_to_gimple::get_rename): Same.
8027         (translate_isl_ast_to_gimple::rename_all_uses): Same.
8028         (translate_isl_ast_to_gimple::rename_uses): Same.
8029         (get_new_name): Check for close_phi nodes.
8030         (copy_loop_phi_args): Use phi_node_kind.
8031         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
8032         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
8034 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8035             Sebastian Pop  <s.pop@samsung.com>
8037         Revert commit r229783.
8038         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
8039         Remove use of parameter_rename_map.
8040         (copy_def): Remove.
8041         (copy_internal_parameters): Remove.
8042         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
8043         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
8044         (free_sese_info): Do not free parameter_rename_map.
8045         (set_rename): Do not use parameter_rename_map.
8046         (rename_uses): Update call to set_rename.
8047         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
8048         * sese.h (parameter_rename_map_t): Remove.
8049         (struct sese_info_t): Remove field parameter_rename_map.
8051 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8052             Sebastian Pop  <s.pop@samsung.com>
8054         * graphite-isl-ast-to-gimple.c: Fix comment.
8055         * graphite-scop-detection.c (defined_in_loop_p): New.
8056         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
8057         names defined in loop.
8059 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8060             Sebastian Pop  <s.pop@samsung.com>
8062         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
8063         Discard unstructured if-then-else regions.
8065 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8066             Sebastian Pop  <s.pop@samsung.com>
8068         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
8069         (cleanup_loop_iter_dom): Remove.
8070         (build_loop_iteration_domains): Remove.
8071         (build_scop_context): Remove.
8072         (build_scop_iteration_domain): Remove.
8073         (add_loop_constraints): New.
8074         (build_iteration_domains): New.
8075         (build_poly_scop): Call build_iteration_domains.
8077 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8078             Sebastian Pop  <s.pop@samsung.com>
8080         * graphite-scop-detection.c
8081         (scop_detection::harmful_loop_in_region): Free dom and loops.
8082         (scop_detection::loop_body_is_valid_scop): Free bbs.
8084 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8085             Sebastian Pop  <s.pop@samsung.com>
8087         * graphite-scop-detection.c (record_loop_in_sese): New.
8088         (gather_bbs::before_dom_children): Call record_loop_in_sese.
8089         (build_scops): Remove call to build_sese_loop_nests.
8090         * sese.c (sese_record_loop): Remove.
8091         (build_sese_loop_nests): Remove.
8092         (new_sese_info): Remove region->loops.
8093         (free_sese_info): Same.
8094         * sese.h (sese_contains_loop): Same.
8095         (build_sese_loop_nests): Remove.
8096         (sese_contains_loop): Remove.
8098 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8099             Sebastian Pop  <s.pop@samsung.com>
8101         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
8102         loop_is_valid_in_scop.
8103         (scop_detection::harmful_stmt_in_region): Renamed
8104         harmful_loop_in_region.
8105         Call loop_is_valid_in_scop.
8107 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8108             Sebastian Pop  <s.pop@samsung.com>
8110         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
8111         isl_ast_node_mark.
8113 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8114             Sebastian Pop  <s.pop@samsung.com>
8116         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
8117         * graphite.h (struct poly_bb): Remove field is_reduction.
8118         (PBB_IS_REDUCTION): Remove.
8120 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8121             Sebastian Pop  <s.pop@samsung.com>
8123         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
8124         (add_pdr_constraints): Same.
8125         (scop_get_reads): Same.
8126         (scop_get_must_writes): Same.
8127         (scop_get_may_writes): Same.
8128         (scop_get_original_schedule): Same.
8129         (extend_schedule): Same.
8130         (apply_schedule_on_deps): Same.
8131         (carries_deps): Same.
8132         (compute_deps): Same.
8133         (scop_get_dependences): Same.
8134         * graphite-isl-ast-to-gimple.c
8135         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
8136         * graphite-optimize-isl.c (get_schedule_for_band): Same.
8137         (get_schedule_for_band_list): Same.
8138         (get_schedule_map): Same.
8139         (apply_schedule_map_to_scop): Same.
8140         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
8141         (build_loop_iteration_domains): Same.
8142         (add_condition_to_pbb): Same.
8143         (add_param_constraints): Same.
8144         (pdr_add_memory_accesses): Same.
8145         (pdr_add_data_dimensions): Same.
8147 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
8149         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
8150         requirements.
8152 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
8154         * common.opt (feliminate-dwarf2-dups): Replace references to
8155         "DWARF 2" with just "DWARF".
8156         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
8157         * doc/extend.texi: Likewise.
8158         * doc/cpp.texi: Likewise.
8159         * doc/invoke.texi: Likewise.
8160         (Option Summary): Add -gdwarf to list of Debugging Options.
8161         (Debugging Options): Document -gdwarf.
8162         * doc/contrib.texi: Spell "DWARF" like that.
8164 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
8166         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
8167         warning.  Fix up formatting.
8169         PR middle-end/67653
8170         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
8171         attempt to mark memory input operand addressable and
8172         call prepare_gimple_addressable in that case.  Don't adjust
8173         input_location for diagnostics, use error_at instead.
8175 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
8177         * config/rs6000/ppc-auxv.h: New file.
8178         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
8179         (cpu_is): Likewise.
8180         (cpu_supports): Likewise.
8181         * config/rs6000/rs6000.c: include "ppc-auxv.h".
8182         (cpu_is_info): New variable.
8183         (cpu_supports_info): Likewise.
8184         (tcb_verification_symbol): Likewise.
8185         (cpu_builtin_p): Likewise.
8186         (cpu_expand_builtin): New function.
8187         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
8188         (rs6000_init_builtins): Likewise.
8189         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
8190         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
8191         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
8192         * configure: Regenerate.
8193         * config.in: Likewise.
8194         * doc/extend.texi (PowerPC Built-in Functions): Document
8195         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
8197 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
8199         PR target/68609
8200         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
8201         domain check.
8202         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
8203         for V4SFmode.
8205 2016-01-20  Richard Henderson  <rth@redhat.com>
8207         PR bootstrap/69343
8208         PR bootstrap/69339
8209         PR tree-opt/68964
8210         Revert:
8211         * tree.c (tm_define_builtin): New.
8212         (find_tm_vector_type): New.
8213         (build_tm_vector_builtins): New.
8214         (build_common_builtin_nodes): Call it.
8216 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
8218         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
8219         (arm_fp_ok): Likewise.
8220         (arm_fp): Likewise.
8221         (arm_crypto): Likewise.
8223 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
8224             Richard Biener  <rguenther@suse.de>
8226         PR tree-optimization/69328
8227         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
8228         vectors have same number of elements.
8229         (vectorizable_condition): Fix masked version recognition.
8231 2016-01-20  Richard Biener  <rguenther@suse.de>
8233         PR tree-optimization/69345
8234         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
8235         (VN_INFO_PTR_INFO): Likewise.
8236         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
8237         info when it is equal between non-dominating SSA names.
8238         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
8239         Make sure to look at original SSA infos.
8241 2016-01-20  Jeff Law  <law@redhat.com>
8243         PR target/25114
8244         * config/m68k/predicates.md (pow2_m1_operand): New predicate
8245         extracted from ...
8246         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
8247         (pc_or_label_operand): New predicate.
8248         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
8249         tests for small integers that are 2^n - 1.
8251 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
8253         * doc/invoke.texi (Options Summary): Add '.' after @xref.
8255 2016-01-19  Jeff Law  <law@redhat.com>
8257         PR middle-end/69347
8258         * tree-ssa-threadbackwards.c
8259         (fsm_find_control_statement_thread_paths): Do not try to lookup
8260         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
8262 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
8264         * doc/lto.texi: Remove text that says only Gold has linker plugin
8265         support.
8267 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
8269         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
8270         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
8271         the DIE accordingly.
8272         (modified_type_die): Add REVERSE parameter and pass it recursively,
8273         as well as to base_type_die.  Adjust presence check accordingly.
8274         (base_type_for_mode): Adjust call to modified_type_die.
8275         (add_type_attribute): Add REVERSE parameter and pass it to
8276         modified_type_die.
8277         (generic_parameter_die): Adjust call to add_type_attribute.
8278         (add_scalar_info): Likewise.
8279         (add_subscript_info): Likewise.
8280         (gen_array_type_die): Likewise.
8281         (gen_descr_array_type_die): Likewise.
8282         (gen_entry_point_die): Likewise.
8283         (gen_enumeration_type_die): Likewise.
8284         (gen_formal_parameter_die): Likewise.
8285         (gen_subprogram_die): Likewise.
8286         (gen_variable_die ): Likewise.
8287         (gen_const_die): Likewise.
8288         (gen_field_die): Likewise.
8289         (gen_pointer_type_die): Likewise.
8290         (gen_reference_type_die): Likewise.
8291         (gen_ptr_to_mbr_type_die): Likewise.
8292         (gen_inheritance_die): Likewise.
8293         (gen_subroutine_type_die): Likewise.
8294         (gen_typedef_die): Likewise.
8295         (force_type_die): Adjust call to modified_type_die.
8297 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8299         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
8300         flow throughout the file.  Fix broken link to Objective-C 2.0
8301         documentation.
8302         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
8303         errors.
8305 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8307         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
8309 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8311         PR ipa/66223
8312         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
8313         (maybe_record_node): Record cxa_pure_virtual as the only possible
8314         target if there are not ohter candidates.
8315         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
8317 2016-01-19  Richard Biener  <rguenther@suse.de>
8319         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
8320         (get_memory_order): Likewise.
8322 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
8324         * tree-vect-stmts.c (vectorizable_store): Check
8325         rhs vectype.
8327 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
8329         PR jit/68446
8330         * gcc.c (driver::decode_argv): Add call to
8331         init_opts_obstack before init_options_struct.
8332         * opts.c (init_opts_obstack): Remove idempotency.
8333         (init_options_struct): Replace call to init_opts_obstack
8334         with a gcc_assert to verify that it has already been called.
8335         * toplev.c (toplev::main): Add call to init_opts_obstack before
8336         calls to init_options_struct.
8337         (toplev::finalize): Move cleanup of opts_obstack next to
8338         cleanup of save_decoded_options, clearing the latter, and
8339         save_decoded_options_count.
8341 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8343         PR target/69135
8344         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
8345         attribute to unconditional.  Remove %? from output template.
8347 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8348             Jiong Wang  <jiong.wang@arm.com>
8350         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
8351         generated from different expand order.
8353 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8355         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
8356         Add support for CCMP costing.
8358 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8360         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
8361         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
8362         (fccmpe<mode>): Likewise.
8363         (fcmp): Rename to fcmp and globalize pattern.
8364         (fcmpe): Likewise.
8365         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
8366         (aarch64_gen_ccmp_next): Add FP support.
8368 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8370         * target.def (gen_ccmp_first): Update documentation.
8371         (gen_ccmp_next): Likewise.
8372         * doc/tm.texi (gen_ccmp_first): Update documentation.
8373         (gen_ccmp_next): Likewise.
8374         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
8375         expand_ccmp_expr_1.  Improve comments.
8376         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
8377         (ccmp_ior<mode>): Remove pattern.
8378         (cmp<mode>): Remove expand.
8379         (cmp): Globalize pattern.
8380         (cstorecc4): Use cc_register.
8381         (mov<mode>cc): Remove ccmp_cc_register check.
8382         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
8383         Simplify after removal of CC_DNE/* modes.
8384         (aarch64_ccmp_mode_to_code): Remove.
8385         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
8386         In 'k' case use integer as condition.
8387         (aarch64_nzcv_codes): Remove inverted cases.
8388         (aarch64_code_to_ccmode): Remove.
8389         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
8390         comparison with CC register to be used in folowing CCMP/branch/CSEL.
8391         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
8392         pattern.  Return the comparison with CC register.  Invert conditions
8393         when bitcode is OR.
8394         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
8395         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
8397 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8399         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
8400         instrumented_version.
8402 2016-01-19  Richard Biener  <rguenther@suse.de>
8404         PR tree-optimization/69336
8405         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
8406         handled components with get_ref_base_and_extent.
8407         (equal_mem_array_ref_p): Adjust.
8409 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
8411         PR debug/65779
8412         * shrink-wrap.c: Include valtrack.h.
8413         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
8414         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
8415         in between insn and where it will be moved to.  Call
8416         dead_debug_insert_temp.
8417         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
8418         first and dead_debug_local_finish at the end.
8419         For uses and defs bitmap, handle all regs in between REGNO and
8420         END_REGNO, not just the first one.
8422 2016-01-19  Richard Biener  <rguenther@suse.de>
8424         PR tree-optimization/69352
8425         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
8426         (equal_mem_array_ref_p): Constrain size and max size properly.
8427         Compare the reverse flag.
8429 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
8431         * ira.c (ira): Update regstat data if we deleted insns.
8433 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
8435         PR rtl-optimization/68955
8436         PR rtl-optimization/64557
8437         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
8438         here.  Fix up formatting.
8439         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
8441 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8443         PR lto/69133
8444         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
8445         assume that the node has body.
8446         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
8447         check.
8449 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8451         * lto-streamer-out.c (lto_output): Do not stream instrumentation
8452         thunks.
8454 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8456         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
8457         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
8459 2016-01-19  Martin Jambor  <mjambor@suse.cz>
8460             Martin Liska  <mliska@suse.cz>
8461             Michael Matz  <matz@suse.de>
8463         * Makefile.in (OBJS): Add new source files.
8464         (GTFILES): Add hsa.c.
8465         * common.opt (disable_hsa): New variable.
8466         (-Whsa): New warning.
8467         * config.in (ENABLE_HSA): New.
8468         * configure.ac: Treat hsa differently from other accelerators.
8469         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
8470         $enable_offloading.
8471         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
8472         * doc/install.texi (Configuration): Document --with-hsa-runtime,
8473         --with-hsa-runtime-include, --with-hsa-runtime-lib and
8474         --with-hsa-kmt-lib.
8475         * doc/invoke.texi (-Whsa): Document.
8476         (hsa-gen-debug-stores): Likewise.
8477         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
8478         to invoke offload compiler for hsa acclerator.
8479         * opts.c (common_handle_option): Determine whether HSA offloading
8480         should be performed.
8481         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
8482         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
8483         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
8484         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
8485         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
8486         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
8487         GF_OMP_FOR_KIND_GRID_LOOP.
8488         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
8489         (pp_gimple_stmt_1): Likewise.
8490         * gimple-walk.c (walk_gimple_stmt): Likewise.
8491         * gimple.c (gimple_build_omp_grid_body): New function.
8492         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
8493         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
8494         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
8495         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
8496         GF_OMP_TEAMS_GRID_PHONY.
8497         (gimple_statement_omp_single_layout): Updated comments.
8498         (gimple_build_omp_grid_body): New function.
8499         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
8500         (gimple_omp_for_grid_phony): New function.
8501         (gimple_omp_for_set_grid_phony): Likewise.
8502         (gimple_omp_parallel_grid_phony): Likewise.
8503         (gimple_omp_parallel_set_grid_phony): Likewise.
8504         (gimple_omp_teams_grid_phony): Likewise.
8505         (gimple_omp_teams_set_grid_phony): Likewise.
8506         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
8507         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
8508         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
8509         (BUILT_IN_GOMP_TARGET): Updated type.
8510         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
8511         (adjust_for_condition): New function.
8512         (get_omp_for_step_from_incr): Likewise.
8513         (extract_omp_for_data): Moved parts to adjust_for_condition and
8514         get_omp_for_step_from_incr.
8515         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
8516         (fixup_child_record_type): Bail out if receiver_decl is NULL.
8517         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
8518         (scan_omp_parallel): Do not create child functions for phony
8519         constructs.
8520         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
8521         (scan_omp_1_op): Checking assert we are not remapping to
8522         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
8523         (parallel_needs_hsa_kernel_p): New function.
8524         (expand_parallel_call): Register apprpriate parallel child
8525         functions as HSA kernels.
8526         (grid_launch_attributes_trees): New type.
8527         (grid_attr_trees): New variable.
8528         (grid_create_kernel_launch_attr_types): New function.
8529         (grid_insert_store_range_dim): Likewise.
8530         (grid_get_kernel_launch_attributes): Likewise.
8531         (get_target_argument_identifier_1): Likewise.
8532         (get_target_argument_identifier): Likewise.
8533         (get_target_argument_value): Likewise.
8534         (push_target_argument_according_to_value): Likewise.
8535         (get_target_arguments): Likewise.
8536         (expand_omp_target): Call get_target_arguments instead of looking
8537         up for teams and thread limit.
8538         (grid_expand_omp_for_loop): New function.
8539         (grid_arg_decl_map): New type.
8540         (grid_remap_kernel_arg_accesses): New function.
8541         (grid_expand_target_kernel_body): New function.
8542         (expand_omp): Call it.
8543         (lower_omp_for): Do not emit phony constructs.
8544         (lower_omp_taskreg): Do not emit phony constructs but create for them
8545         a temporary variable receiver_decl.
8546         (lower_omp_taskreg): Do not emit phony constructs.
8547         (lower_omp_teams): Likewise.
8548         (lower_omp_grid_body): New function.
8549         (lower_omp_1): Call it.
8550         (grid_reg_assignment_to_local_var_p): New function.
8551         (grid_seq_only_contains_local_assignments): Likewise.
8552         (grid_find_single_omp_among_assignments_1): Likewise.
8553         (grid_find_single_omp_among_assignments): Likewise.
8554         (grid_find_ungridifiable_statement): Likewise.
8555         (grid_target_follows_gridifiable_pattern): Likewise.
8556         (grid_remap_prebody_decls): Likewise.
8557         (grid_copy_leading_local_assignments): Likewise.
8558         (grid_process_kernel_body_copy): Likewise.
8559         (grid_attempt_target_gridification): Likewise.
8560         (grid_gridify_all_targets_stmt): Likewise.
8561         (grid_gridify_all_targets): Likewise.
8562         (execute_lower_omp): Call grid_gridify_all_targets.
8563         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
8564         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
8565         (tree_omp_clause): Added union field dimension.
8566         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
8567         * tree.c (omp_clause_num_ops): Added number of arguments of
8568         OMP_CLAUSE__GRIDDIM_.
8569         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
8570         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
8571         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
8572         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
8573         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
8574         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
8575         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
8576         * tree-pass.h (make_pass_gen_hsail): Declare.
8577         (make_pass_ipa_hsa): Likewise.
8578         * ipa-hsa.c: New file.
8579         * lto-section-in.c (lto_section_name): Add hsa section name.
8580         * lto-streamer.h (lto_section_type): Add hsa section.
8581         * timevar.def (TV_IPA_HSA): New.
8582         * hsa-brig-format.h: New file.
8583         * hsa-brig.c: New file.
8584         * hsa-dump.c: Likewise.
8585         * hsa-gen.c: Likewise.
8586         * hsa.c: Likewise.
8587         * hsa.h: Likewise.
8588         * toplev.c (compile_file): Call hsa_output_brig.
8589         * hsa-regalloc.c: New file.
8591 2016-01-18  Jeff Law  <law@redhat.com>
8593         PR tree-optimization/69320
8594         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
8595         ranged object, do nothing if the RHS constant is not [0..1].
8596         (optimize_stmt): Comparing a boolean ranged object against a
8597         constant outside [0..1] results in a compile-time constant.
8599         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
8600         test.
8602 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
8604         * doc/invoke.texi (Invoking GCC): Add new section to menu.
8605         (Option Summary): Update to reflect new section and moved options.
8606         (C++ Dialect Options): Move -fstats to new section.
8607         (Debugging Options): Move all dump, statistics, and other GCC
8608         developer options to new section.  Rewrite section introduction
8609         and re-order remaining options to put the more basic ones first.
8610         (Optimization Options): Move -fira-verbose and -flto-report* to
8611         new section.
8612         (Developer Options): New section incorporating moved options.
8613         * doc/cppopts.texi (-dM): Update cross-reference.
8615 2016-01-18  Richard Henderson  <rth@redhat.com>
8617         PR target/69176
8618         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
8619         operands to pseudo only if CSE is expected.  Split long immediate
8620         operands only after reload, and for the stack pointer.
8621         (*add<GPI>3_pluslong): Remove.
8622         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
8623         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
8624         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
8625         (*add<GPI>3 peepholes): New.
8626         (*add<GPI>3 splitters): New.
8627         * config/aarch64/constraints.md (Upl): New.
8628         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
8630 2016-01-18  Richard Biener  <rguenther@suse.de>
8632         PR tree-optimization/69297
8633         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
8634         stmt at most once.
8635         (vect_bb_vectorization_profitable_p): Clear visited flag again.
8637 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
8639         PR middle-end/68542
8640         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
8641         of mixind vector and scalar types.
8642         (fold_relational_const): Add handling of vector
8643         comparison with boolean result.
8644         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
8645         comparison of vector operands with boolean result for EQ/NE only.
8646         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
8647         (verify_gimple_cond): Likewise.
8648         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
8649         valid type of VAL.
8651 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
8653         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
8654         !TARGET_OCTEON.
8656 2016-01-18  Richard Biener  <rguenther@suse.de>
8658         PR middle-end/69308
8659         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
8661 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8663         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
8665 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8667         * omp-low.c (set_oacc_fn_attrib): Make extern.
8668         * omp-low.h (set_oacc_fn_attrib): Declare.
8669         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
8670         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
8671         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
8672         Add and handle function parameter oacc_kernels_p.
8673         (find_reduc_addr, get_omp_data_i_param): New function.
8674         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
8675         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
8676         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
8677         Calculate dominance info.  Skip loops that are not in a kernels region
8678         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
8679         (pass_parallelize_loops::execute): Call parallelize_loops with
8680         oacc_kernels_p argument.
8681         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
8682         New member function.
8683         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
8684         * passes.def: Add argument to pass_parallelize_loops instantation.
8686 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8688         * tree-parloops.c (pass_parallelize_loops::execute): Allow
8689         pass_parallelize_loops to be run outside the loop pipeline.
8691 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8693         * tree-scalar-evolution.c (follow_copies_to_constant): New.
8694         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
8696 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8698         PR target/63679
8699         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
8700         using get_ref_base_and_extent.
8701         (equal_mem_array_ref_p): New.
8702         (hashable_expr_equal_p): Add call to previous.
8704 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8706         PR target/63679
8707         * tree-sra.c (disqualified_constants, constant_decl_p): New.
8708         (sra_initialize): Allocate disqualified_constants.
8709         (sra_deinitialize): Free disqualified_constants.
8710         (disqualify_candidate): Update disqualified_constants when appropriate.
8711         (create_access): Scan for constant-pool entries as we go along.
8712         (scalarizable_type_p): Add check against type_contains_placeholder_p.
8713         (maybe_add_sra_candidate): Allow constant-pool entries.
8714         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
8715         (initialize_constant_pool_replacements): New.
8716         (sra_modify_assign): Avoid mangling assignments created by previous,
8717         and don't generate writes into constant pool.
8718         (sra_modify_function_body): Call initialize_constant_pool_replacements.
8720 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
8722         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
8723         andnot instruction.
8724         (scalar_chain::convert_op): Likewise.
8725         * config/i386/i386.md (*andndi3_doubleword): New.
8727 2016-01-18  Richard Biener  <rguenther@suse.de>
8729         PR tree-optimization/69170
8730         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
8731         building a vector from scalar results of a pattern stmt.
8733 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
8735         * haifa-sched.c (autopref_multipass_init): Work around
8736         -Wmaybe-uninitialized warning.
8738 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8740         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
8741         against the constant 0.
8743 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8745         PR tree-optimization/68799
8746         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
8747         look up phi candidates in the statement-candidate map.
8748         (phi_add_costs): Likewise.
8749         (record_phi_increments): Likewise.
8750         (phi_incr_cost): Likewise.
8751         (ncd_with_phi): Likewise.
8752         (all_phi_incrs_profitable): Likewise.
8754 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
8756         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
8757         -Wmaybe-uninitialized warning.
8759 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
8761         * doc/invoke.texi (Invoking GCC): Add new section to menu.
8762         (Option Summary): Update to reflect new section and moved options.
8763         (C++ Dialect Options): Move -fvtable-verify and related options.
8764         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
8765         and profiling-related options.
8766         (Optimization Options): Move profile generation options and
8767         -fstack-protector and related options.
8768         (Instrumentation Options): New section incorporating moved options.
8769         (Code Generation Options): Move -finstrument-functions and
8770         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
8772 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8774         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
8776 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8778         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
8780 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
8782         * hash-table.h (hash_table::empty): Turn into an inline wrapper
8783         that checks whether the table is already empty.  Rename the
8784         original implementation to...
8785         (hash_table::empty_slot): ...this new private function.
8787 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
8789         PR diagnostic/68899
8790         * diagnostic-show-locus.c (layout::print_source_line): Move x
8791         offset of line until after call to
8792         get_line_width_without_trailing_whitespace.
8794 2016-01-15  Jeff Law  <law@redhat.com>
8796         PR tree-optimization/69270
8797         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
8798         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
8799         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
8800         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
8801         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8802         ssa_name_has_boolean_range and constant_boolean_node.
8804 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
8806         PR rtl-optimization/69030
8807         * lra-spills.c (remove_pseudos): Check nrefs and make the function
8808         returning bool.
8809         (spill_pseudos): Delete debug insn for dead pseudo.
8810         (lra_spill): Initiate spill_hard_reg and slots memory separately.
8812 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
8814         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
8815         New.
8816         (TYPES_UNOPUS): Likewise.
8817         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
8818         builtin type, from UNOP to UNOPUS.
8819         (lbtruncuv4sf): Likewise.
8820         (lbtruncuv2df): Likewise.
8821         (lrounduv2sf): Likewise.
8822         (lrounduv4sf): Likewise.
8823         (lrounduv2df): Likewise.
8824         (lroundusf): Likewise.
8825         (lroundusf): Likewise.
8826         (lceiluv2sf): Likewise.
8827         (lceiluv4sf): Likewise.
8828         (lceiluv2df): Likewise.
8829         (lceilusf): Likewise.
8830         (lceiludf): Likewise.
8831         (lflooruv2sf): Likewise.
8832         (lflooruv4sf): Likewise.
8833         (lflooruv2df): Likewise.
8834         (lfloorusf): Likewise.
8835         (lfloorudf): Likewise.
8836         (lfrintnuv2sf): Likewise.
8837         (lfrintnuv4sf): Likewise.
8838         (lfrintnuv2df): Likewise.
8839         (lfrintnusf): Likewise.
8840         (lfrintnudf): Likewise.
8841         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
8842         conversion.
8843         (vcvtq_u32_f32): Likewise.
8844         (vcvtq_u64_f64): Likewise.
8845         (vcvta_u32_f32): Likewise.
8846         (vcvtaq_u32_f32): Likewise.
8847         (vcvtaq_u64_f64): Likewise.
8848         (vcvtm_u32_f32): Likewise.
8849         (vcvtmq_u32_f32): Likewise.
8850         (vcvtmq_u64_f64): Likewise.
8851         (vcvtn_u32_f32): Likwise.
8852         (vcvtnq_u32_f32): Likewise.
8853         (vcvtnq_u64_f64): Likewise.
8854         (vcvtp_u32_f32): Likewise.
8855         (vcvtpq_u32_f32): Likewise.
8856         (vcvtpq_u64_f64): Likewise.
8857         (vcvtmd_u64_f64): Likewise.
8858         (vcvtms_u32_f32): Likewise.
8859         (vcvtad_u64_f64): Likewise.
8860         (vcvtas_u32_f32): Likewise.
8861         (vcvtnd_u64_f64): Likewise.
8862         (vcvtns_u32_f32): Likewise.
8863         (vcvtpd_u64_f64): Likewise.
8864         (vcvtps_u32_f32): Likewise.
8866 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8868         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
8869         CSEL of zero_extended registers.
8871 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8873         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
8874         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
8876 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8878         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
8879         false when argument string is not found in the attributes table
8880         at all.
8882 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
8884         PR target/68609
8885         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
8886         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
8887         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
8888         precision estimate.
8890 2016-01-15  Richard Biener  <rguenther@suse.de>
8892         PR tree-optimization/66856
8893         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
8894         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
8895         (vect_create_new_slp_node): Increment stmt reference count.
8896         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
8897         an SLP tree before swapping operands.
8898         (vect_build_slp_tree): Likewise.
8899         (destroy_bb_vec_info): Free stmt info after SLP instances.
8900         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
8901         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
8902         (STMT_VINFO_NUM_SLP_USES): New macro.
8904 2016-01-15  Richard Biener  <rguenther@suse.de>
8906         PR debug/69137
8907         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
8908         (add_linkage_name): ... here.
8909         (gen_typedef_die): Use add_linkage_name_raw instead of
8910         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
8911         if necessary.
8913 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
8915         * gimplify.c (oacc_default_clause): Decode reference and pointer
8916         types for both kernels and parallel regions.
8918 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8920         PR middle-end/69246
8921         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
8923 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8925         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
8926         (convert_scalars_to_vector): Likewise.
8928 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
8930         * doc/extend.texi (Type Traits): Fix grammar.
8932 2016-01-15  Martin Jambor  <mjambor@suse.cz>
8934         * tree-inline.c (remap_decl): Use existing dclarations if
8935         remapping a type and prevent_decl_creation_for_types.
8936         (replace_locals_stmt): Do an initial remapping of non-VLA typed
8937         decls first.  Do real remapping with
8938         prevent_decl_creation_for_types set.
8939         * tree-inline.h (copy_body_data): New field
8940         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
8941         padding.
8943 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8945         * config/s390/s390.opt (mmvcle): More verbose help text.
8947 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8949         * config/s390/s390.opt: Add period to -mzvector option text.
8951 2016-01-15  Richard Biener  <rguenther@suse.de>
8953         PR tree-optimization/68961
8954         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
8955         of invariants in stores again.
8957 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8959         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
8961 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8963         * config/i386/i386.c (ix86_expand_branch): Don't split
8964         DI mode xor instruction to SI mode.
8966 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8968         PR ipa/68148
8969         * ipa-icf.c (sem_function::merge): Virtual functions may become
8970         reachable even if they address is not taken and there are no
8971         idrect calls.
8973 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8975         * lto-streamer-out.c (subtract_estimated_size): New function.
8976         (get_symbol_initial_value): Use it.
8978 2016-01-15  Christian Bruel  <christian.bruel@st.com>
8980         PR target/65837
8981         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
8982         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
8983         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
8984         use add_builtin_function_ext_scope instead of add_builtin_function.
8985         (neon_set_p, neon_crypto_set_p): Remove.
8986         (arm_init_builtins): Always call arm_init_neon_builtins and
8987         arm_init_crypto_builtins.
8988         (arm_expand_builtin): Check that builtins are allowed for the arch.
8989         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
8990         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
8991         arm_init_neon_builtins call.
8993 2016-01-15  Richard Biener  <rguenther@suse.de>
8995         PR tree-optimization/69117
8996         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
8997         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
8998         of the leader conservatively.
8999         (free_scc_vn): Restore original SSA name infos.
9001 2016-01-14  Jeff Law  <law@redhat.com>
9003         PR tree-optimization/69270
9004         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
9005         single bit of precision, verify it's also unsigned.
9006         (record_edge_info): Use constant_boolean_node rather than fold_convert
9007         to convert boolean_true/boolean_false to the right type.
9009 2016-01-14  Richard Henderson  <rth@redhat.com>
9011         PR rtl-opt/69014
9012         * loop-doloop.c (record_reg_sets): New.
9013         (doloop_optimize): Reject the transform if the sequence
9014         clobbers registers live at the end of the loop block.
9015         (doloop_optimize_loops): Enable df_live if needed.
9017 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
9019         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
9020         * gcc/config/rs6000/rs6000.c: Likewise.
9021         * gcc/config/rs6000/rs6000.h: Likewise.
9022         * gcc/config/rs6000/rs6000.md: Likewise.
9023         * gcc/doc/extend.texi: Likewsie.
9025 2016-01-14  Jeff Law  <law@redhat.com>
9027         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
9028         typo.
9030 2016-01-14  Richard Henderson  <rth@redhat.com>
9032         PR c/69272
9033         PR tree-opt/68964
9034         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
9035         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
9036         instead of builtin_decl_declared_p to test for declaration.
9038 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
9040         * doc/loop.texi (Loop Analysis and Representation): Document
9041         loop_depth function.
9043 2016-01-14  Tom de Vries  <tom@codesourcery.com>
9045         PR tree-optimization/68773
9046         * omp-low.c (expand_omp_target): Don't set force_output.
9047         * varpool.c (varpool_node::get_create): Same.
9048         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
9049         offload_funcs with force_output.
9051 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
9053         PR debug/69244
9054         * lra-eliminations.c (move_plus_up): Don't change anything if either
9055         the outer or inner subreg mode is not MODE_INT.
9056         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
9057         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
9059 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
9061         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
9062         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
9063         reduc_uplus_@var{m}): Remove.
9064         * expr.c (expand_expr_real_2): Remove expansion path for
9065         reduc_[us](min|max|plus) optabs.
9066         * optabs-tree.c (scalar_reduc_to_vector): Remove.
9067         * optabs-tree.h (scalar_reduc_to_vector): Remove.
9068         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
9069         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
9070         * tree-vect-loop.c (vectorizable_reduction): Remove test for
9071         reduc_[us](min|max|plus) optabs.
9073 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
9075         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
9076         (reduc_plus_scal_v2sf): New.
9077         (reduc_smax_v2sf): Rename to...
9078         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
9079         (reduc_smin_v2sf): Rename to...
9080         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
9082 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
9084         * alias.c (compare_base_symbol_refs): New function.
9085         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
9086         it.
9088 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
9090         PR middle-end/68146
9091         PR tree-optimization/69155
9092         * tree-complex.c: Include cfganal.h.
9093         (phis_to_revisit): New variable.
9094         (extract_component): Add phiarg_p argument.  Assert that returned
9095         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
9096         (update_phi_components): Partly rewrite to use loop over real/imag
9097         components instead of code duplication.  If extract_component returns
9098         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
9099         create_tmp_reg into the PHI node instead, and mention the phi triplet
9100         in phis_to_revisit.
9101         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
9102         in phis_to_revisit at the end.
9104 2016-01-14  Richard Biener  <rguenther@suse.de>
9106         PR tree-optimization/68060
9107         * tree-vect-loop.c (vect_is_simple_reduction): Check the
9108         outer loop reduction is only used in the inner loop before
9109         detecting a double reduction.
9111 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
9113         PR target/68269
9114         * combine.c (expand_field_assignment): Punt if compute_mode is
9115         unsupported scalar mode.
9117 2016-01-14  Richard Biener  <rguenther@suse.de>
9119         PR tree-optimization/66856
9120         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
9121         SLP node only if it built successfully.
9122         (vect_analyze_slp_instance): Adjust.
9124 2016-01-14  Jeff Law  <law@redhat.com>
9126         PR tree-optimization/69270
9127         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
9128         (record_edge_info): Use it.  Convert boolean_{true,false}_node
9129         to the type of op0.
9131 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
9133         PR ipa/66487
9134         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
9135         use block_ultimate_origin
9136         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
9138 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
9140         * doc/invoke.texi (Submodel Options): Rename section to
9141         "Machine-Dependent Options" to better reflect its content.
9142         Rewrite introductory text to remove archaic CPU names.
9143         Update references.
9145 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
9147         * doc/invoke.texi (Code Gen Options): Move section up in file,
9148         before target-specific options.  Update menu and option summary
9149         to reflect the new section ordering.
9151 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
9153         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
9154         (C++ Dialect Options): Add cross-reference to -std option.
9155         * doc/standards.texi (C++ Language): Document C++14 support.
9157 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
9159         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
9160         for pack/unpack functions for __ibm128.
9161         (PACK_IF): Likewise.
9162         (UNPACK_IF): Likewise.
9164         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
9165         support for __ibm128 pack/unpack functions.
9166         (rs6000_invalid_builtin): Likewise.
9167         (rs6000_init_builtins): Likewise.
9168         (rs6000_opt_masks): Likewise.
9170         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
9171         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
9172         functions
9173         (RS6000_BTM_COMMON): Likewise.
9175         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
9176         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
9177         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
9178         128-bit floating point.  Add support for the double values to be
9179         in Altivec registers for TF/IF packing and unpacking, but restrict
9180         TD packing sub-fields to be FPR registers.  Don't allow overlapped
9181         register support for packing.  Allow pack inputs to be memory
9182         locations.  Don't build generator functions for unpack<mode>_dm
9183         and unpack<mode>_nodm.
9184         (unpack<mode>_dm): Likewise.
9185         (unpack<mode>_nodm): Likewise.
9186         (pack<mode>): Likewise.
9188         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
9189         built-in functions to pack/unpack explicit __ibm128 values.
9190         (__builtin_unpack_ibm128): Likewise.
9192         * doc/extend.texi (PowerPC Built-in Functions): Document
9193         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
9195 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
9197         PR c/66208
9198         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
9199         Add new arg loc and pass it down as context.
9200         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
9201         to the location to use for the warning.
9202         (check_function_arguments): New arg loc.  All callers changed.  Pass
9203         it to check_function_nonnull.
9204         * c-common.h (check_function_arguments): Adjust declaration.
9206 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
9208         PR tree-optimization/69156
9209         * gimple.c (validate_type): Removed.
9210         (gimple_builtin_call_types_compatible_p): Use
9211         useless_type_conversion_p instead of validate_type.
9212         * value-prof.c (gimple_stringop_fixed_value): Fold
9213         icall_size to correct type.
9215 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
9217         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
9218         effects.
9220 2016-01-13  Richard Henderson  <rth@redhat.com>
9222         PR tree-opt/68964
9223         * target.def (builtin_tm_load, builtin_tm_store): Remove.
9224         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
9225         (ix86_builtin_tm_store): Remove.
9226         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
9227         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
9228         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
9229         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
9230         * doc/tm.texi: Rebuild.
9232         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
9233         (BUILT_IN_TM_MEMCPY_RTWN): New.
9234         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
9235         fallback from vector to integer helpers.
9236         (build_tm_load): Handle vector types directly, instead of
9237         via target hook.
9238         (build_tm_store): Likewise.
9239         (expand_assign_tm): Prepare for register types not handled by
9240         the above.  Copy them to memory and use memcpy.
9241         * tree.c (tm_define_builtin): New.
9242         (find_tm_vector_type): New.
9243         (build_tm_vector_builtins): New.
9244         (build_common_builtin_nodes): Call it.
9246 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
9248         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
9249         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
9251 2016-01-13  Tom de Vries  <tom@codesourcery.com>
9253         PR tree-optimization/69169
9254         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
9255         handled_struct_type param.
9256         (create_variable_info_for, intra_create_variable_infos): Call
9257         create_variable_info_for_1 with extra arg.
9259 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
9261         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
9262         and "armv8.1-a+crc" entries.
9264 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
9266         PR target/69228
9267         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
9268         Change first operand predicate from register_or_constm1_operand
9269         to register_operand.
9270         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
9271         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
9272         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
9273         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
9274         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
9275         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
9276         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
9277         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
9278         comparison with constm1_rtx from vec_prefetch_gen part.
9280 2016-01-13  Richard Biener  <rguenther@suse.de>
9282         PR tree-optimization/69013
9283         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
9284         Exchange assert for a test.
9286 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9288         PR target/69247
9289         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
9291 2016-01-13  Richard Biener  <rguenther@suse.de>
9293         PR tree-optimization/69242
9294         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
9295         assert with a check.
9297 2016-01-13  Richard Biener  <rguenther@suse.de>
9299         PR tree-optimization/69186
9300         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
9301         Properly guard vect_update_misalignment_for_peel call.
9303 2016-01-12  Jeff Law  <law@redhat.com>
9305         PR tree-optimization/pr67755
9306         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
9307         "need_profile_correction".
9308         (thread_block_1): Initialize new field to false by default.  If we
9309         have multiple thread paths through a common joiner to different
9310         final targets, then set new field to true.
9311         (compute_path_counts): Only do count adjustment when it's really
9312         needed.
9314 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9316         * doc/invoke.texi (Spec Files): Move section down in file, past
9317         all command-line option descriptions.
9319 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
9321         PR middle-end/54809
9322         * doc/gty.texi: Remove documentation of mark_hook.
9323         * gengtype.c (struct write_types_data): Remove code to support
9324         mark_hook attribute.
9325         (walk_type): Likewise.
9326         (write_func_for_structure): Likewise.
9328 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9330         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
9331         Directory Options, and -specs= to Overall Options.
9332         (Overall Options): Adjust similarly.  Reorder to group related
9333         options together.  Make -specs= cross-reference the spec file details.
9334         (Directory Options): Adjust similarly.
9336 2016-01-12  Jeff Law  <law@redhat.com>
9338         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
9340 2016-01-12  Olivier Hainque  <hainque@adacore.com>
9342         * gcc.c (spec_undefvar_allowed): New global.
9343         (process_command): Set to true when running for --version or --help,
9344         alone or together.
9345         (getenv_spec_function): When the variable is not defined, use the
9346         variable name as the variable value if we're allowed not to issue
9347         a fatal error.
9349 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
9351         PR tree-optimization/68911
9352         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
9353         information computed for expression "init + nit * step".
9355 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9357         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
9358         about name of GCC executable.  Remove deleted node from menu.
9359         (Directory Options) <-B>: Remove cross-reference to deleted node.
9360         (Target Options): Delete section.
9362 2016-01-12  Christian Bruel  <christian.bruel@st.com>
9364         PR target/69180
9365         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
9366         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
9368 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
9370         PR target/69198
9371         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
9372         aligned_mem is properly set for AVX512-VL floating point masked
9373         stores.
9375         PR target/69175
9376         * ifcvt.c (cond_exec_process_if_block): When removing the last
9377         insn from then_bb, remove also any possible barriers that follow it.
9379 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
9381         PR target/68456
9382         PR target/69226
9383         * config/i386/iamcu.h (SIZE_TYPE): New macro.
9384         (PTRDIFF_TYPE): Likewise.
9385         (WCHAR_TYPE): Likewise.
9386         (WCHAR_TYPE_SIZE): Likewise.
9387         (STDINT_LONG32): Likewise.
9389 2016-01-12  Richard Biener  <rguenther@suse.de>
9391         PR tree-optimization/69053
9392         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
9393         convert initial value for cond reductions.
9395 2016-01-12  Richard Biener  <rguenther@suse.de>
9397         PR tree-optimization/69007
9398         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
9399         widen_sum after dot_prod and sad.
9401 2016-01-12  Richard Biener  <rguenther@suse.de>
9403         PR tree-optimization/69168
9404         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
9405         pattern stmt SLP type.
9406         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
9407         end up unused so cope with that case.
9409 2016-01-12  Richard Biener  <rguenther@suse.de>
9411         PR tree-optimization/69157
9412         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
9413         stmts def type only during analyze phase.
9414         (vectorizable_call): Likewise.
9415         (vectorizable_simd_clone_call): Likewise.
9416         (vectorizable_conversion): Likewise.
9417         (vectorizable_assignment): Likewise.
9418         (vectorizable_shift): Likewise.
9419         (vectorizable_operation): Likewise.
9420         (vectorizable_store): Likewise.
9421         (vectorizable_load): Likewise.
9423 2016-01-12  Richard Biener  <rguenther@suse.de>
9425         PR tree-optimization/69174
9426         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
9427         space.
9428         (vectorizable_load): Properly compute the number of loads needed
9429         for permuted strided SLP loads and do not spuriously assign
9430         to SLP_TREE_VEC_STMTS.
9432 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
9434         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
9435         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
9436         (MD_EXEC_PREFIX): Remove.
9437         (MD_STARTFILE_PREFIX) Removee.
9438         (FILE_NAME_ABSOLUTE_P): Remove.
9439         (CPP_SPEC): Do not read macros from sys/version.h.
9440         (LINK_COMMAND_SPEC): Remove.
9441         (LOCAL_INCLUDE_DIR): Remove.
9442         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
9443         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
9444         (POST_LINK_SPEC): Define to invoke stubify after linker
9445         (LIBSTDCXX): Remove define
9446         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
9447         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
9448         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
9449         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
9450         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
9451         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
9452         (i386_djgpp_asm_named_section): Add propotype of new procedure
9454         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
9455         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
9456         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
9457         in config/i386/djgpp.h).
9458         (STANDARD_STARTFILE_PREFIX_2): Define identical to
9459         STANDARD_STARTFILE_PREFIX_1.
9460         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
9461         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
9462         installation errors.
9463         (MAX_OFILE_ALIGNMENT): Define to 128.
9464         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
9466         * config/i386/djgpp.c: New file. Add implementation of
9467         i386_djgpp_asm_named_section.
9469         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
9471         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
9472         Add rule for building djgpp.o.
9474 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9476         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
9477         (rtx_is_swappable_p): Reductions are swappable.
9478         (insn_is_swappable_p): V2DF reductions are swappable.
9480 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
9482         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
9483         reloads for other unsupported memory operands.
9485 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9486             Jim Wilson  <jim.wilson@linaro.org>
9488         PR target/69194
9489         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
9490         copy_to_mode_reg instead of force_reg.
9492 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
9494         PR target/69225
9495         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
9496         TARGET_80387 is true.
9498 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
9500         PR target/69071
9501         * lra-eliminations.c (move_plus_up): Only move plus up
9502         if subreg of the constant can be simplified into constant
9503         and use the simplified subreg of the constant instead of
9504         the original constant.
9506         * fold-const.c (fold_convertible_p): Don't return true
9507         for conversion of VECTOR_TYPE to same sized integral type.
9508         (fold_convert_loc): Fix up formatting.  Fold conversion of
9509         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
9510         instead of NOP_EXPR.
9512         PR tree-optimization/69214
9513         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
9514         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
9515         Formatting fix.
9517         PR tree-optimization/69207
9518         * tree-vect-slp.c (vect_get_constant_vectors): For
9519         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
9520         fold_convertible_p to vector_type's element type, and always
9521         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
9523 2016-01-11  Richard Biener  <rguenther@suse.de>
9525         PR tree-optimization/69173
9526         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
9527         fixup the cycle if all stmts are in a pattern.
9529 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
9531         PR middle-end/68999
9532         * alias.c (base_alias_check): Move check for addresses with
9533         alignment ANDs before the call for compare_base_decls.
9534         (memrefs_conflict_p): Return -1 for different decls
9535         that went through alignment adjustments.
9537 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9539         PR rtl-optimization/68796
9540         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
9541         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
9542         and QImode comparisons against zero with CC_NZmode.
9543         * config/aarch64/iterators.md (short_mask): New mode_attr.
9545 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
9547         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
9548         (<avx512>_store<mode>_mask): Likewise.
9550 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
9551             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9553         PR rtl-optimization/68841
9554         * ifcvt.c (struct noce_if_info): Add orig_x field.
9555         (bbs_ok_for_cmove_arith): Add to_rename parameter.
9556         Don't record conflicts on to_rename if it's present.
9557         Allow memory destinations in sets.
9558         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
9559         blocks, passing orig_x to the checks.
9560         (noce_process_if_block): Set if_info->orig_x appropriately.
9562 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9564         PR tree-optimization/69069
9565         * tree-parloops.c (create_parallel_loop): Add missing phi args.
9567 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
9569         PR rtl-optimization/68920
9570         * config/i386/i386.c (ix86_option_override_internal): Restrict number
9571         of conditional moves for  RTL if-conversion to 1 for
9572         TARGET_ONE_IF_CONV_INSN.
9573         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
9574         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
9575         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
9576         parameter to restirct number of conditional moves for
9577         RTL if-conversion.
9578         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
9579         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
9580         conditionl moves.
9582 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
9584         PR bootstrap/69123
9585         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
9586         onepart vars.  Fix typo in comment.  Fix reversed condition in
9587         unshare test.
9588         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
9590         PR bootstrap/69123
9591         * var-tracking.c (dump_onepart_variable_differences): New.
9592         (dataflow_set_different): If a detailed dump is requested,
9593         delay early returns and dump differences between onepart
9594         variables present before and after, and added variables.
9596 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
9598         PR target/69010
9599         * expr.c (expand_expr_real_1): For boolean vector constants
9600         with a scalar mode use const_scalar_mask_from_tree.
9601         (const_scalar_mask_from_tree): New.
9602         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
9603         assigned to a mask type to handle constants.
9605 2016-01-11  Martin Jambor  <mjambor@suse.cz>
9607         PR ipa/69044
9608         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
9609         useless parameters if we cannot change function signature.
9611 2016-01-11  Martin Jambor  <mjambor@suse.cz>
9613         PR ipa/66616
9614         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
9615         flag.
9617 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9619         PR tree-optimization/69109
9620         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
9621         latch with phi.
9623 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9625         PR tree-optimization/69108
9626         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
9627         res is not used in a phi.
9629 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
9631         PR 67425
9632         * common.opt (frandom-seed): Fix parameter name.
9633         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
9635 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9637         PR tree-optimization/69058
9638         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
9639         not supported.
9641 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
9643         * config/arc/arc.opt (mdiv-rem): Add period to the end.
9644         (mcode-density): Likewise.
9646 2016-01-10  Tom de Vries  <tom@codesourcery.com>
9648         PR tree-optimization/69062
9649         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
9650         (parallelize_loops): Don't paralelize loop that has phi with address
9651         arg.
9653 2016-01-10  Tom de Vries  <tom@codesourcery.com>
9655         PR tree-optimization/69039
9656         * tree-parloops.c (try_create_reduction_list): Only allow single exit
9657         phi for reduction.
9659 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
9661         PR middle-end/68743
9662         * match.pd: Require target has function_c99_misc before doing
9663         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
9665 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
9667         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
9668         use GMPINC.
9669         * configure: Regenerate.
9671 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
9673         PR middle-end/50865
9674         PR tree-optimization/69097
9675         * fold-const.h (expr_not_equal_to): New prototype.
9676         * fold-const.c: Include stringpool.h and tree-ssanames.h.
9677         (expr_not_equal_to): New function.
9678         * match.pd (X % -Y is the same as X % Y): Don't optimize
9679         unless X is known not to be equal to minimum or Y is known
9680         not to be equal to -1.
9681         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
9682         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
9683         (simplify_stmt_using_ranges): Adjust caller.
9684         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
9685         substitute_and_fold.
9687 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
9689         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
9690         w/o DECL_NAME.
9692 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9694         PR tree-optimization/69167
9695         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
9696         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
9697         ops[0] comparison.
9698         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
9700 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
9701             Richard Biener  <rguenther@suse.de>
9703         PR tree-optimization/68707
9704         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
9705         instances that can be handled via vect_load_lanes.
9707 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
9709         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
9710         if we can't determine address equivalence.
9711         * alias.c (compare_base_decl): Update for changed return value of
9712         symtab_node::equal_address_to.
9714 2016-01-08  Jason Merrill  <jason@redhat.com>
9716         PR c++/68983
9717         PR c++/67557
9718         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
9719         * expr.c (store_field): Not here.
9720         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
9721         call with TREE_ADDRESSABLE type.
9722         * tree-cfg.c (verify_gimple_call): Adjust.
9724 2016-01-08  Olivier Hainque  <hainque@adacore.com>
9726         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
9727         libc_internal.
9729 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
9731         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
9732         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
9733         (reduc_smin_v2sf): Rename to...
9734         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
9735         (reduc_splus_v2sf): Rename to...
9736         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
9738 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9740         PR tree-optimization/69162
9741         * gimplify.c (gimplify_va_arg_expr): Encode original type of
9742         valist argument in another argument.
9743         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
9744         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
9745         to determine the va_list type, build a MEM_REF instead of
9746         build_fold_indirect_ref.
9748         PR tree-optimization/69172
9749         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
9750         gimple_build.
9752 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9754         PR tree-optimization/67781
9755         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
9756         and cmpnop in two steps: first the ones not accessed in original
9757         gimple expression in a endian independent way and then the ones not
9758         accessed in the final result in an endian-specific way.
9760 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9762         PR tree-optimization/69083
9763         * tree-vect-slp.c (vect_get_constant_vectors): For
9764         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
9765         element type.  If op is fold_convertible_p to vector_type's element
9766         type, use NOP_EXPR instead of VCE.
9768 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
9770         PR rtl-optimization/67778
9771         PR rtl-optimization/68634
9772         PR rtl-optimization/68909
9773         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
9774         block from the stack until done with it.  Remove a superfluous
9775         bitmap set.  Remove a superfluous bitmap test.
9777 2016-01-07  Martin Sebor  <msebor@redhat.com>
9779         PR c/68966
9780         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
9781         constraint on the type of arguments.
9783 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
9785         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
9786         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
9787         unaligned_access on the gcc_options set.
9788         * config/arm/arm.c (arm_option_override_internal): Use
9789         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
9791 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9793         PR target/69140
9794         * config/i386/i386.c (ix86_frame_pointer_required): Enable
9795         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
9797 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9799         Revert
9800         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9802         PR target/69140
9803         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9804         depending on frame_pointer_needed before remaining integer and SSE
9805         registers are saved.
9807 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
9809         PR 1078
9810         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
9812 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
9814         PR target/69171
9815         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
9816         Use the "xBm" constraint.
9817         (float<sseintvecmodelower><mode>2<mask_name><round_name):
9818         Likewise.
9819         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
9820         (sse_cvtsi2ssq<round_name>): Likewise.
9821         (sse_cvtss2si<round_name>): Likewise.
9822         (sse_cvtss2siq<round_name>): Likewise.
9823         (sse2_cvtsi2sdq<round_name>): Likewise.
9824         (sse2_cvtsd2si<round_name>): Likewise.
9825         (sse2_cvtsd2siq<round_name>): Likewise.
9826         * config/i386/subst.md (round_nimm_scalar_predicate): New
9827         predicate.
9829 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
9831         PR middle-end/67639
9832         * varasm.c (make_decl_rtl): Mark invalid register vars as
9833         DECL_EXTERNAL.
9835         PR rtl-optimization/66206
9836         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
9837         All callers changed.
9839 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
9841         PR tree-optimization/69141
9842         * tree-ssa-pre.c: Include langhooks.h.
9843         (eliminate_dom_walker::before_dom_children): Use
9844         lang_hooks.decl_printable_name instead of
9845         cgraph_node::get ()->name ().
9847         PR middle-end/68960
9848         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
9849         it and DECL_ALIGN too.
9851 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
9853         * config/mips/mips-ftypes.def: Sort to lexicographical order.
9855 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9857         PR target/69140
9858         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9859         depending on frame_pointer_needed before remaining integer and SSE
9860         registers are saved.
9862 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9864         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
9865         mode iterator with VSX_M2.
9866         (*p9_vecstore_<mode>): Likewise.
9867         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
9868         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
9869         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
9870         (define_split for VSX_LE128 stores): Likewise.
9871         (define_peephole2 for TImode LE swaps): Likewise.
9872         (define_split for VSX_LE128 post-reload stores): Likewise.
9874 2016-01-06  Marek Polacek  <polacek@redhat.com>
9876         PR sanitizer/69099
9877         * convert.c (convert_to_integer_1): Adjust call to
9878         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
9879         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
9880         EXPR instead of ARG.
9881         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
9883 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9885         PR 1078
9886         * doc/extend.texi (RL78 Variable Attributes): New section.
9888 2016-01-05  Marek Polacek  <polacek@redhat.com>
9890         PR c/69104
9891         * builtins.c (get_memmodel): Use expansion point location rather than
9892         the input location.  Call warning_at rather than warning.
9893         (expand_builtin_atomic_compare_exchange): Likewise.
9894         (expand_builtin_atomic_load): Likewise.
9895         (expand_builtin_atomic_store): Likewise.
9896         (expand_builtin_atomic_clear): Likewise.
9898 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9900         PR target/68991
9901         * config/i386/i386.c (ix86_expand_vector_logical_operator):
9902         Replace nonimmediate_operand with vector_operand.
9903         * config/i386/predicates.md (vector_operand): New predicate.
9904         (general_vector_operand): Replace nonimmediate_operand with
9905         vector_operand.
9906         * config/i386/sse.md: Replace nonimmediate_operand with
9907         vector_operand and m constraint with Bm constraint on SSE
9908         patterns with 16-byte memory operand.
9909         * config/i386/subst.md (round_nimm_predicate): Replace
9910         nonimmediate_operand with vector_operand.
9911         (round_saeonly_nimm_predicate): Likewise.
9912         (round_saeonly_nimm_scalar_predicate): New.
9914 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9916         PR target/68991
9917         * config/i386/constraints.md (Bm): New constraint.
9918         * config/i386/predicates.md (vector_memory_operand): New
9919         predicate.
9920         * config/i386/sse.md: Replace xm with xBm in plusminus and
9921         any_logic patterns.
9923 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9925         PR 1078
9926         * doc/extend.texi (V850 Function Attributes): New section.
9927         (V850 Variable Attributes): New section.
9929 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9931         PR 1078
9932         * doc/extend.texi (MicroBlaze Function Attributes): Document
9933         interrupt_handler and fast_interrupt attributes.
9935 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
9937         PR other/60465
9938         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
9939         for local symbolic operands.
9940         * config/ia64/predicates.md (local_symbolic_operand64): New
9941         predicate.
9943 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9945         PR rtl-optimization/68651
9946         * combine.c (combine_simplify_rtx): Canonicalize x + x into
9947         x << 1.
9949 2016-01-05  Nathan Sidwell  <nathan@acm.org>
9951         * alias.c (compare_base_decls): Use symtab_node::get.
9953 2016-01-05  Nick Clifton  <nickc@redhat.com>
9955         PR target/68770
9956         * ira-costs.c (copy_cost): Initialise the t_icode field of the
9957         secondary_reload_info structure.
9959         PR target/66655
9960         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
9961         decls if weak support is available.
9963 2016-01-04  Martin Sebor  <msebor@redhat.com>
9965         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
9967 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
9969         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
9970         OPTION_MASK_P9_DFORM.
9972         * config/rs6000/constraints.md (wo constraint): New constraint for
9973         ISA 3.0 (power9).
9975         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
9976         for wo constraint.
9977         (rs6000_init_hard_regno_mode_ok): Likewise.
9979         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
9980         wo constraint.
9982         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
9983         expanders not to have constraints.  Add support for ISA 3.0 xxperm
9984         instruction.  Add support for fusing xxlor with xxperm.
9985         (altivec_vperm_<mode>_internal): Likewise.
9986         (altivec_vperm_v8hiv16qi): Likewise.
9987         (altivec_vperm_<mode>v16q): Likewise.
9988         (altivec_vperm_<mode>_uns): Likewise.
9989         (vperm_v8hiv4si): Likewise.
9990         (vperm_v16qiv8hi): Likewise.
9992         * doc/md.texi (RS/6000 constraints): Document wo constraint.
9994 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
9996         Update copyright years.
9998         * gcc.c (process_command): Update copyright notice dates.
9999         * gcov-dump.c (print_version): Ditto.
10000         * gcov.c (print_version): Ditto.
10001         * gcov-tool.c (print_version): Ditto.
10002         * gengtype.c (create_file): Ditto.
10003         * doc/cpp.texi: Bump @copying's copyright year.
10004         * doc/cppinternals.texi: Ditto.
10005         * doc/gcc.texi: Ditto.
10006         * doc/gccint.texi: Ditto.
10007         * doc/gcov.texi: Ditto.
10008         * doc/install.texi: Ditto.
10009         * doc/invoke.texi: Ditto.
10011 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
10013         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
10014         modes larger than TImode as TImode if NEON is not enabled.
10016 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
10018         PR target/69100
10019         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
10020         mode for %f0-%f31 only if TARGET_FPU.
10022 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
10024         PR target/69072
10025         * config/sparc/sparc.c (scan_record_type): Take into account subfields
10026         to compute the PACKED_P predicate.
10027         (function_arg_record_value): Minor tweaks.
10029 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
10031         * doc/install.texi (--with-multilib-list): Describe the meaning of the
10032         option for arm*-*-* targets.
10034 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
10036         * doc/extend.texi (Common Function Attributes): Move docs for
10037         MSP430-specific attributes to....
10038         (MSP430 Function Attributes): ...here.  Delete the redundant
10039         entries and copy-edit the remaining text.
10040         (MSP430 Variable Attributes): Use uniform format for index
10041         entries and add a cross-reference to the corresponding function
10042         attribute docs.
10044 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
10046         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
10047         -finite-math typo.
10048         (x86 Options): Likewise.
10050 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
10052         PR 1078
10054         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
10055         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
10056         to corresponding attribute.
10058 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
10060         * doc/extend.texi (Common Function Attributes) <noplt>: Move
10061         to correct alphabetization of table.  Copy-edit and correct
10062         markup.
10063         <stack_protect>: Likewise.
10064         <target_clones>: Likewise.
10065         <simd>: Likewise.
10066         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
10067         Correct punctuation.
10068         (Code Gen Options) <-fno-plt>: Copy-edit.
10070 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10072         PR target/68917
10073         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
10074         SI values.  Explicitly convert SI to DI and vice-versa.
10076 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
10078         PR tree-optimization/69070
10079         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
10080         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
10082         PR sanitizer/69055
10083         * ubsan.c (ubsan_instrument_float_cast): Call
10084         initialize_sanitizer_builtins.
10086         PR target/69015
10087         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
10089 Copyright (C) 2016 Free Software Foundation, Inc.
10091 Copying and distribution of this file, with or without modification,
10092 are permitted in any medium without royalty provided the copyright
10093 notice and this notice are preserved.